/* roulang page: index */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }

        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a:hover::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1060;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-dark);
            z-index: 1070;
            padding: 24px 20px;
            transition: right var(--transition-slow);
            overflow-y: auto;
        }

        .mobile-drawer.show {
            right: 0;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            color: var(--text-on-dark);
        }

        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            color: var(--text-on-dark);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-drawer .drawer-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-drawer .drawer-nav li {
            margin-bottom: 8px;
        }

        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 12px 16px;
            font-size: 1.1rem;
            color: var(--text-on-dark-soft);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-drawer .drawer-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--primary-light);
        }

        .mobile-drawer .drawer-nav a.active {
            color: var(--primary);
            background: rgba(255, 77, 0, 0.12);
            font-weight: 600;
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
        }

        .btn-custom-primary {
            background: var(--primary);
            color: #ffffff;
        }

        .btn-custom-primary:hover {
            background: var(--primary-hover);
            color: #ffffff;
            transform: scale(1.02);
            box-shadow: 0 6px 16px rgba(255, 77, 0, 0.3);
        }

        .btn-custom-secondary {
            background: transparent;
            color: var(--text-main);
            border: 1.5px solid var(--text-main);
        }

        .btn-custom-secondary:hover {
            background: var(--text-main);
            color: #fff;
            transform: scale(1.02);
        }

        .btn-custom-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-custom-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: scale(1.02);
        }

        .btn-custom-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 24px;
        }

        .btn-custom-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* Section Base */
        .section-block {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-block-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: calc(100% - 16px);
            background: var(--primary);
            border-radius: 4px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
                padding-left: 14px;
            }
            .section-title::before {
                top: 6px;
                width: 3px;
            }
            .section-block {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 80px 0 64px;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-section .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            animation: heroZoom 20s ease-in-out infinite alternate;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(26, 26, 26, 0.5) 50%, rgba(255, 77, 0, 0.15) 100%);
            pointer-events: none;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.08);
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-invite-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 620px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 77, 0, 0.2);
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 500px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .invite-progress {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
        }

        .invite-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .invite-progress-label span:first-child {
            font-weight: 600;
        }

        .invite-progress-label span:last-child {
            color: var(--primary-light);
            font-weight: 700;
        }

        .progress {
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            overflow: hidden;
        }

        .progress-bar-custom {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 8px;
            transition: width 1.5s ease;
        }

        .hero-rewards {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .reward-chip {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            color: #fff;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .reward-chip i {
            color: var(--accent-teal);
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 40px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-invite-card {
                padding: 24px 20px;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Value Proposition Section */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .value-large {
            grid-column: span 1;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .value-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .value-large .value-number {
            font-family: var(--font-numeric);
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 12px;
        }

        .value-large h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .value-large p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .value-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 40px;
            padding: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }

        .stat-item {
            flex: 1;
            min-width: 150px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-family: var(--font-numeric);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .value-grid {
                grid-template-columns: 1fr;
            }
            .value-stats-row {
                gap: 16px;
                padding: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* Feature Group Section */
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            counter-reset: feature-counter;
        }

        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            counter-increment: feature-counter;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-item::before {
            content: '0' counter(feature-counter);
            position: absolute;
            top: 12px;
            right: 20px;
            font-family: var(--font-numeric);
            font-size: 3rem;
            font-weight: 900;
            color: rgba(255, 77, 0, 0.08);
            line-height: 1;
        }

        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .feature-item h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .feature-item p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .feature-item.feature-wide {
            grid-column: span 2;
            background: var(--bg-dark);
            color: #fff;
            border-color: var(--bg-dark);
        }

        .feature-item.feature-wide h3 {
            color: #fff;
        }

        .feature-item.feature-wide p {
            color: rgba(255, 255, 255, 0.75);
        }

        .feature-item.feature-wide::before {
            color: rgba(255, 77, 0, 0.2);
        }

        @media (max-width: 768px) {
            .feature-list {
                grid-template-columns: 1fr;
            }
            .feature-item.feature-wide {
                grid-column: span 1;
            }
        }

        /* Use Cases Section */
        .use-case-block {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .use-case-block:last-child {
            border-bottom: none;
        }

        .use-case-block .use-case-image {
            flex: 0 0 50%;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }

        .use-case-block .use-case-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: transform var(--transition-slow);
        }

        .use-case-block:hover .use-case-image img {
            transform: scale(1.04);
        }

        .use-case-block .use-case-text {
            flex: 0 0 50%;
        }

        .use-case-block .use-case-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .use-case-block .use-case-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .use-case-block .use-case-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .use-case-block .use-case-text ul li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
            font-size: 0.92rem;
            color: var(--text-secondary);
        }

        .use-case-block .use-case-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 10px;
            height: 10px;
            background: var(--accent-teal);
            border-radius: 50%;
        }

        .use-case-block.reverse {
            flex-direction: row-reverse;
        }

        @media (max-width: 768px) {
            .use-case-block,
            .use-case-block.reverse {
                flex-direction: column;
                gap: 20px;
                padding: 24px 0;
            }
            .use-case-block .use-case-image,
            .use-case-block .use-case-text {
                flex: 0 0 100%;
                width: 100%;
            }
            .use-case-block .use-case-image img {
                height: 200px;
            }
        }

        /* Success Cases Section */
        .cases-scroll-wrapper {
            position: relative;
        }

        .cases-scroll-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 12px 4px 20px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .cases-scroll-track::-webkit-scrollbar {
            height: 6px;
        }

        .cases-scroll-track::-webkit-scrollbar-track {
            background: transparent;
        }

        .cases-scroll-track::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 6px;
        }

        .case-card {
            flex: 0 0 420px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .case-card .case-metric {
            font-family: var(--font-numeric);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .case-card .case-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-card .case-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .case-card {
                flex: 0 0 320px;
                padding: 20px;
            }
            .case-card .case-metric {
                font-size: 1.8rem;
            }
        }

        /* Price Section */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .price-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
        }

        .price-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .price-card.featured {
            border: 2px solid var(--primary);
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }

        .price-card.featured:hover {
            transform: scale(1.05) translateY(-4px);
        }

        .price-card .price-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .price-card .price-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .price-card .price-amount {
            font-family: var(--font-numeric);
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 16px;
        }

        .price-card .price-amount .currency {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .price-card .price-period {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .price-card ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .price-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-teal);
            font-weight: 700;
        }

        .price-card .btn-custom {
            width: 100%;
        }

        @media (max-width: 992px) {
            .price-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .price-card.featured {
                transform: scale(1);
            }
            .price-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        @media (max-width: 576px) {
            .price-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Brand Intro */
        .brand-intro-card {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.12;
        }

        .brand-intro-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .brand-intro-card p {
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.9;
            font-size: 1rem;
            position: relative;
            z-index: 1;
            max-width: 850px;
        }

        @media (max-width: 768px) {
            .brand-intro-card {
                padding: 28px 20px;
            }
            .brand-intro-card h2 {
                font-size: 1.4rem;
            }
        }

        /* News Section */
        .news-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            margin-bottom: 14px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .news-card:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
            border-color: var(--primary);
        }

        .news-date {
            flex: 0 0 90px;
            font-family: var(--font-numeric);
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .news-title {
            flex: 0 0 220px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
            line-height: 1.5;
        }

        .news-summary {
            flex: 1;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            flex: 0 0 110px;
            text-align: right;
        }

        .news-link a {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .news-link a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            .news-card {
                flex-wrap: wrap;
                gap: 10px;
                padding: 16px 20px;
            }
            .news-date {
                flex: 0 0 100%;
                font-size: 0.8rem;
            }
            .news-title {
                flex: 0 0 100%;
            }
            .news-summary {
                flex: 0 0 100%;
            }
            .news-link {
                flex: 0 0 100%;
                text-align: left;
            }
        }

        /* Deep Content */
        .deep-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 40px;
            margin-bottom: 24px;
        }

        .deep-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .deep-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 2;
            margin-bottom: 16px;
        }

        .deep-content .deep-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: 20px 0;
        }

        .deep-content .deep-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 768px) {
            .deep-content {
                padding: 20px 16px;
            }
            .deep-content h3 {
                font-size: 1.2rem;
            }
        }

        /* Sell Points */
        .sell-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .sell-point-card {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            color: #fff;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .sell-point-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .sell-point-card .point-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }

        .sell-point-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .sell-point-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .sell-points-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Category Tags */
        .category-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-main);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
        }

        .category-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .category-tag i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

        .category-tag:hover i {
            color: #fff;
        }

        /* Guest Highlights */
        .guest-scroll-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 12px 4px 16px;
            scrollbar-width: thin;
        }

        .guest-scroll-track::-webkit-scrollbar {
            height: 6px;
        }

        .guest-scroll-track::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 6px;
        }

        .guest-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .guest-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .guest-card .guest-avatar {
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            margin: 0 auto 14px;
            font-weight: 700;
        }

        .guest-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .guest-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .guest-card .guest-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }

        @media (max-width: 576px) {
            .guest-card {
                flex: 0 0 220px;
            }
        }

        /* Price Comparison */
        .price-compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .price-compare-table th,
        .price-compare-table td {
            padding: 16px 24px;
            text-align: left;
            font-size: 0.92rem;
            border-bottom: 1px solid var(--border-color);
        }

        .price-compare-table th {
            background: var(--bg-dark);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .price-compare-table th:first-child {
            width: 30%;
        }

        .price-compare-table td:first-child {
            font-weight: 600;
            color: var(--text-main);
        }

        .price-compare-table tr:last-child td {
            border-bottom: none;
        }

        .price-compare-table .highlight-col {
            background: rgba(255, 77, 0, 0.06);
        }

        .price-compare-table .check-icon {
            color: var(--accent-teal);
            font-weight: 700;
        }

        .price-compare-table .cross-icon {
            color: #ccc;
        }

        @media (max-width: 768px) {
            .price-compare-table {
                font-size: 0.8rem;
            }
            .price-compare-table th,
            .price-compare-table td {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
        }

        /* FAQ */
        .faq .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            background: var(--bg-card);
            overflow: hidden;
        }

        .faq .accordion-button {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            padding: 18px 24px;
            background: var(--bg-card);
            border: none;
            box-shadow: none;
            border-radius: var(--radius-sm) !important;
        }

        .faq .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-card);
            box-shadow: none;
        }

        .faq .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.4rem;
            font-weight: 400;
            width: auto;
            height: auto;
            line-height: 1;
        }

        .faq .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--primary);
        }

        .faq .accordion-button:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .faq .accordion-body {
            padding: 18px 24px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-card);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2A1A0A 100%);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.2;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: var(--accent-teal);
            border-radius: 50%;
            opacity: 0.08;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-custom {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 64px 0 32px;
            margin-top: var(--spacing-section);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 992px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
      --bg-primary: #F7F5F0;
      --bg-dark: #1A1A1A;
      --bg-card: #FFFFFF;
      --primary: #FF4D00;
      --primary-hover: #C73C0D;
      --primary-light: #FF6A2B;
      --accent-teal: #00C2A8;
      --text-main: #141414;
      --text-secondary: #5F6368;
      --text-on-dark: #FFFFFF;
      --text-on-dark-soft: #F7F5F0;
      --border-color: #E5E7EB;
      --border-dark: #333333;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 40px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
      --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
      --spacing-section: 80px;
      --spacing-section-mobile: 48px;
      --container-max: 1200px;
      --transition-fast: 0.2s ease;
      --transition-base: 0.3s ease;
      --transition-slow: 0.5s ease;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-primary);
      color: var(--text-main);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    a:hover {
      color: var(--primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button,
    input,
    textarea,
    select {
      font-family: inherit;
    }
    button:focus,
    a:focus,
    input:focus,
    textarea:focus {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .container-custom {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (max-width: 576px) {
      .container-custom {
        padding-left: 16px;
        padding-right: 16px;
      }
    }
    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid transparent;
      transition: box-shadow var(--transition-base), border-color var(--transition-base);
      padding: 12px 0;
    }
    .site-header.scrolled {
      box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
      border-bottom-color: var(--border-color);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--text-main);
      letter-spacing: -0.01em;
      white-space: nowrap;
    }
    .brand-logo .logo-dot {
      width: 12px;
      height: 12px;
      background: var(--primary);
      border-radius: 50%;
      flex-shrink: 0;
      position: relative;
    }
    .brand-logo .logo-dot::after {
      content: '';
      position: absolute;
      top: -4px;
      left: -4px;
      width: 20px;
      height: 20px;
      border: 2px solid rgba(255, 77, 0, 0.3);
      border-radius: 50%;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-menu li {
      position: relative;
    }
    .nav-menu a {
      display: block;
      padding: 8px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      transition: color var(--transition-fast);
      white-space: nowrap;
    }
    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--transition-base);
      border-radius: 2px;
    }
    .nav-menu a:hover {
      color: var(--text-main);
    }
    .nav-menu a:hover::after {
      transform: scaleX(1);
    }
    .nav-menu a.active {
      color: var(--primary);
      font-weight: 600;
    }
    .nav-menu a.active::after {
      transform: scaleX(1);
    }
    .hamburger-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
    }
    .mobile-drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.5);
      z-index: 1040;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-base);
    }
    .mobile-drawer-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -320px;
      width: 280px;
      max-width: 80vw;
      height: 100vh;
      background: var(--bg-card);
      z-index: 1060;
      padding: 32px 20px;
      transition: right var(--transition-base);
      box-shadow: -8px 0 24px rgba(0,0,0,0.1);
      overflow-y: auto;
    }
    .mobile-drawer.open {
      right: 0;
    }
    .mobile-drawer .drawer-close {
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      position: absolute;
      top: 16px;
      right: 16px;
    }
    .mobile-drawer ul {
      list-style: none;
      padding: 0;
      margin: 24px 0 0;
    }
    .mobile-drawer ul li a {
      display: block;
      padding: 12px 4px;
      font-size: 1.1rem;
      font-weight: 500;
      color: var(--text-main);
      border-bottom: 1px solid var(--border-color);
    }
    .mobile-drawer ul li a.active {
      color: var(--primary);
    }
    @media (max-width: 992px) {
      .nav-menu {
        display: none;
      }
      .hamburger-btn {
        display: inline-block;
      }
    }
    /* Buttons */
    .btn-primary-custom {
      background-color: var(--primary);
      color: #fff;
      border: none;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 1rem;
      transition: background-color var(--transition-fast), transform var(--transition-fast);
      display: inline-block;
      text-align: center;
    }
    .btn-primary-custom:hover {
      background-color: var(--primary-hover);
      color: #fff;
      transform: scale(1.02);
    }
    .btn-secondary-custom {
      background: transparent;
      color: var(--text-main);
      border: 1px solid var(--text-main);
      padding: 11px 28px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 1rem;
      transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
      display: inline-block;
      text-align: center;
    }
    .btn-secondary-custom:hover {
      background-color: var(--text-main);
      color: #fff;
      border-color: var(--text-main);
    }
    .btn-outline-orange {
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--primary);
      padding: 10px 24px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      transition: background-color var(--transition-fast), color var(--transition-fast);
      display: inline-block;
    }
    .btn-outline-orange:hover {
      background-color: var(--primary);
      color: #fff;
    }
    /* Cards */
    .card-custom {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
      overflow: hidden;
      height: 100%;
    }
    .card-custom:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .card-custom .card-img-wrapper {
      overflow: hidden;
      aspect-ratio: 16/9;
      background: #eee;
    }
    .card-custom .card-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }
    .card-custom:hover .card-img-wrapper img {
      transform: scale(1.05);
    }
    .card-custom .card-body {
      padding: 20px 22px;
    }
    .card-custom .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .card-custom .card-text {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .badge-tag {
      display: inline-block;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(255, 77, 0, 0.1);
      color: var(--primary);
      border: 1px solid rgba(255, 77, 0, 0.2);
    }
    .badge-teal {
      background: rgba(0, 194, 168, 0.1);
      color: var(--accent-teal);
      border: 1px solid rgba(0, 194, 168, 0.2);
    }
    /* Section spacing */
    .section {
      padding: var(--spacing-section) 0;
    }
    .section-sm {
      padding: 48px 0;
    }
    @media (max-width: 768px) {
      .section {
        padding: var(--spacing-section-mobile) 0;
      }
      .section-sm {
        padding: 32px 0;
      }
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 16px;
      position: relative;
      padding-left: 16px;
    }
    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 8px;
      bottom: 8px;
      width: 4px;
      background: var(--primary);
      border-radius: 2px;
    }
    .section-subtitle {
      color: var(--text-secondary);
      font-size: 1.05rem;
      max-width: 680px;
      margin-bottom: 40px;
    }
    .text-orange {
      color: var(--primary);
    }
    .bg-dark-custom {
      background-color: var(--bg-dark);
      color: var(--text-on-dark);
    }
    .bg-dark-custom .section-title {
      color: #fff;
    }
    .bg-dark-custom .section-subtitle {
      color: var(--text-on-dark-soft);
    }
    .divider {
      height: 1px;
      background: var(--border-color);
      margin: 0;
    }
    /* Breadcrumb */
    .breadcrumb-wrapper {
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.9rem;
      color: var(--text-secondary);
    }
    .breadcrumb-wrapper .breadcrumb-trail {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-wrapper .breadcrumb-trail a {
      color: var(--text-secondary);
    }
    .breadcrumb-wrapper .breadcrumb-trail a:hover {
      color: var(--primary);
    }
    .breadcrumb-wrapper .breadcrumb-trail .current {
      color: var(--text-main);
      font-weight: 600;
    }
    .breadcrumb-wrapper .breadcrumb-trail .separator {
      color: var(--border-color);
    }
    .breadcrumb-wrapper .back-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-secondary);
      font-weight: 500;
    }
    .breadcrumb-wrapper .back-link:hover {
      color: var(--primary);
    }
    /* Hero category */
    .hero-category {
      padding: 40px 0 56px;
      background: var(--bg-dark);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .hero-category::before {
      content: '';
      position: absolute;
      top: -40%;
      right: -20%;
      width: 60%;
      height: 180%;
      background: radial-gradient(circle, rgba(255,77,0,0.15), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .hero-category .hero-inner {
      position: relative;
      z-index: 1;
    }
    .hero-category h1 {
      font-size: 2.8rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.2;
      margin-bottom: 16px;
    }
    .hero-category .hero-desc {
      font-size: 1.1rem;
      color: var(--text-on-dark-soft);
      max-width: 720px;
      margin-bottom: 24px;
    }
    .hero-category .hero-stats {
      display: flex;
      gap: 32px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }
    .hero-category .hero-stat {
      display: flex;
      flex-direction: column;
    }
    .hero-category .hero-stat .stat-number {
      font-family: var(--font-numeric);
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--primary-light);
    }
    .hero-category .hero-stat .stat-label {
      font-size: 0.85rem;
      color: var(--text-on-dark-soft);
    }
    @media (max-width: 768px) {
      .hero-category h1 {
        font-size: 2rem;
      }
    }
    /* Featured tournament big card */
    .featured-card {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }
    .featured-card .featured-image {
      aspect-ratio: 16/9;
      background: #eee;
      min-height: 100%;
    }
    .featured-card .featured-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .featured-card .featured-content {
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .featured-card .featured-content h3 {
      font-size: 1.6rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .featured-card .featured-content p {
      color: var(--text-secondary);
      margin-bottom: 16px;
    }
    @media (max-width: 768px) {
      .featured-card {
        grid-template-columns: 1fr;
      }
    }
    /* Horizontal list */
    .horizontal-item {
      display: grid;
      grid-template-columns: 180px 1fr auto;
      gap: 20px;
      align-items: center;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      margin-bottom: 16px;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }
    .horizontal-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .horizontal-item .hi-image {
      width: 180px;
      aspect-ratio: 16/9;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #eee;
    }
    .horizontal-item .hi-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .horizontal-item .hi-content h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .horizontal-item .hi-content p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .horizontal-item .hi-meta {
      font-size: 0.8rem;
      color: var(--text-secondary);
      white-space: nowrap;
      text-align: right;
    }
    @media (max-width: 768px) {
      .horizontal-item {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .horizontal-item .hi-image {
        width: 100%;
      }
      .horizontal-item .hi-meta {
        text-align: left;
      }
    }
    /* Interleaved */
    .interleaved-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 48px;
    }
    .interleaved-row:nth-child(even) .interleaved-image {
      order: 2;
    }
    .interleaved-row .interleaved-image {
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 4/3;
      background: #eee;
    }
    .interleaved-row .interleaved-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .interleaved-row .interleaved-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .interleaved-row .interleaved-content p {
      color: var(--text-secondary);
      margin-bottom: 12px;
    }
    .interleaved-row .interleaved-content ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .interleaved-row .interleaved-content ul li {
      padding-left: 20px;
      position: relative;
      margin-bottom: 6px;
      color: var(--text-secondary);
    }
    .interleaved-row .interleaved-content ul li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 12px;
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
    }
    @media (max-width: 768px) {
      .interleaved-row {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .interleaved-row:nth-child(even) .interleaved-image {
        order: 0;
      }
    }
    /* Table/ranking */
    .table-ranking {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .table-ranking table {
      width: 100%;
      border-collapse: collapse;
    }
    .table-ranking th,
    .table-ranking td {
      padding: 14px 18px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .table-ranking th {
      background: var(--bg-primary);
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 2px solid var(--border-color);
    }
    .table-ranking tr:last-child td {
      border-bottom: none;
    }
    .table-ranking .rank-number {
      font-family: var(--font-numeric);
      font-weight: 700;
      color: var(--primary);
      font-size: 1.2rem;
    }
    /* Timeline */
    .timeline {
      position: relative;
      padding-left: 32px;
    }
    .timeline::before {
      content: '';
      position: absolute;
      left: 8px;
      top: 4px;
      bottom: 4px;
      width: 2px;
      background: var(--border-color);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 28px;
      padding-left: 20px;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -28px;
      top: 6px;
      width: 14px;
      height: 14px;
      background: var(--primary);
      border-radius: 50%;
      border: 3px solid var(--bg-primary);
    }
    .timeline-item .tl-date {
      font-family: var(--font-numeric);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .timeline-item .tl-title {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 4px;
    }
    .timeline-item .tl-desc {
      color: var(--text-secondary);
      font-size: 0.9rem;
    }
    /* FAQ */
    .faq-accordion .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-card);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-accordion .accordion-button {
      background: var(--bg-card);
      color: var(--text-main);
      font-weight: 700;
      font-size: 1rem;
      padding: 16px 20px;
      border: none;
      box-shadow: none;
    }
    .faq-accordion .accordion-button:not(.collapsed) {
      background: var(--bg-card);
      color: var(--primary);
      border-bottom: 1px solid var(--border-color);
    }
    .faq-accordion .accordion-button:focus {
      box-shadow: none;
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .faq-accordion .accordion-button::after {
      transition: transform var(--transition-fast);
    }
    .faq-accordion .accordion-body {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 16px 20px;
    }
    /* CTA */
    .cta-section {
      background: var(--primary);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -60%;
      right: -10%;
      width: 50%;
      height: 200%;
      background: rgba(255,255,255,0.08);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-section h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
      position: relative;
    }
    .cta-section p {
      font-size: 1.05rem;
      color: rgba(255,255,255,0.9);
      max-width: 600px;
      margin: 0 auto 24px;
      position: relative;
    }
    .cta-section .btn-light-custom {
      background: #fff;
      color: var(--primary);
      border: none;
      padding: 12px 32px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 1rem;
      transition: transform var(--transition-fast);
      display: inline-block;
      margin: 0 8px;
    }
    .cta-section .btn-light-custom:hover {
      transform: scale(1.03);
      color: var(--primary);
    }
    /* Footer */
    .site-footer {
      background: var(--bg-dark);
      color: var(--text-on-dark-soft);
      padding: 60px 0 24px;
      margin-top: 0;
    }
    .site-footer .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
      gap: 32px;
      padding-bottom: 32px;
      border-bottom: 1px solid var(--border-dark);
      margin-bottom: 24px;
    }
    .site-footer .footer-brand h3 {
      color: #fff;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .site-footer .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: var(--text-on-dark-soft);
      max-width: 280px;
    }
    .site-footer .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .site-footer .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .site-footer .footer-col ul li {
      margin-bottom: 8px;
    }
    .site-footer .footer-col ul li a {
      color: var(--text-on-dark-soft);
      font-size: 0.9rem;
      transition: color var(--transition-fast);
    }
    .site-footer .footer-col ul li a:hover {
      color: var(--primary-light);
    }
    .site-footer .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-size: 0.8rem;
      color: var(--text-on-dark-soft);
      padding-top: 16px;
    }
    .site-footer .footer-bottom .footer-links {
      display: flex;
      gap: 16px;
      margin-left: auto;
    }
    .site-footer .footer-bottom .footer-links a {
      color: var(--text-on-dark-soft);
    }
    .site-footer .footer-bottom .footer-links a:hover {
      color: var(--primary-light);
    }
    @media (max-width: 992px) {
      .site-footer .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 576px) {
      .site-footer .footer-top {
        grid-template-columns: 1fr;
      }
      .site-footer .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .site-footer .footer-bottom .footer-links {
        margin-left: 0;
      }
    }
    /* Additional helpers */
    .text-secondary-custom {
      color: var(--text-secondary);
    }
    .fw-700 {
      font-weight: 700;
    }
    .fw-800 {
      font-weight: 800;
    }
    .mb-0 {
      margin-bottom: 0;
    }
    .gap-4 {
      gap: 24px;
    }
    .gap-3 {
      gap: 16px;
    }
    .object-fit-cover {
      object-fit: cover;
    }

/* roulang page: category3 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }

        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 12px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a:hover::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1060;
            display: none;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: var(--bg-card);
            z-index: 1070;
            padding: 24px 20px;
            transition: right var(--transition-base);
            overflow-y: auto;
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-main);
        }

        .mobile-drawer .nav-menu {
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
        }

        .mobile-drawer .nav-menu a {
            font-size: 1.1rem;
            padding: 14px 0;
            width: 100%;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-drawer .nav-menu a::after {
            display: none;
        }

        /* Buttons */
        .btn-primary-dm {
            display: inline-block;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary-dm:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: scale(1.02);
        }

        .btn-outline-dm {
            display: inline-block;
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--text-main);
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline-dm:hover {
            background: var(--text-main);
            color: #FFFFFF;
            transform: scale(1.02);
        }

        .btn-light-dm {
            display: inline-block;
            background: #FFFFFF;
            color: var(--primary);
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-light-dm:hover {
            background: var(--text-on-dark-soft);
            transform: scale(1.02);
            color: var(--primary);
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .btn-text-link:hover {
            color: var(--primary-hover);
        }

        .btn-text-link i {
            font-size: 0.85rem;
        }

        /* Section general */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-title-wrap {
            margin-bottom: 40px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        /* Hero */
        .hero-banner {
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 560px;
            padding: 80px 0;
            display: flex;
            align-items: center;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.38;
            z-index: 1;
            animation: heroZoom 8s ease-in-out infinite alternate;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.1);
            }
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.92) 0%, rgba(26, 26, 26, 0.65) 55%, rgba(26, 26, 26, 0.45) 100%);
            z-index: 1;
        }

        .hero-danmaku-decoration {
            position: absolute;
            z-index: 2;
            opacity: 0.7;
            font-size: 0.9rem;
            white-space: nowrap;
            color: rgba(255, 255, 255, 0.45);
            animation: danmakuScroll 14s linear infinite;
            pointer-events: none;
            font-weight: 500;
        }

        .hero-danmaku-1 { top: 18%; animation-duration: 16s; animation-delay: 0s; }
        .hero-danmaku-2 { top: 32%; animation-duration: 13s; animation-delay: 3s; color: rgba(0, 194, 168, 0.6); }
        .hero-danmaku-3 { top: 47%; animation-duration: 18s; animation-delay: 1s; }
        .hero-danmaku-4 { top: 62%; animation-duration: 14s; animation-delay: 5s; color: rgba(255, 106, 43, 0.65); }
        .hero-danmaku-5 { top: 76%; animation-duration: 17s; animation-delay: 2s; }

        @keyframes danmakuScroll {
            0% {
                transform: translateX(110vw);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        .hero-content {
            position: relative;
            z-index: 3;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 77, 0, 0.2);
            border: 1px solid rgba(255, 77, 0, 0.5);
            color: var(--primary-light);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-on-dark);
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 580px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-nav-strip {
            position: relative;
            z-index: 3;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-nav-strip a {
            display: inline-block;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            transition: background var(--transition-fast), color var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-nav-strip a:hover {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .hero-danmaku-stats {
            position: relative;
            z-index: 3;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-family: var(--font-numeric);
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .breadcrumb-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            background: none;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .breadcrumb li a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb li a:hover {
            color: var(--primary);
        }

        .breadcrumb li.current {
            color: var(--text-main);
            font-weight: 600;
        }

        .breadcrumb li .separator {
            color: var(--border-color);
            font-size: 0.75rem;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .back-link:hover {
            color: var(--primary);
        }

        /* Danmaku feature list - horizontal alternating */
        .danmaku-feature-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .danmaku-feature-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 32px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .danmaku-feature-item:last-child {
            border-bottom: none;
        }

        .danmaku-feature-item:nth-child(even) .danmaku-feature-image {
            order: 1;
        }

        .danmaku-feature-item:nth-child(even) .danmaku-feature-text {
            order: 0;
        }

        .danmaku-feature-image {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .danmaku-feature-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform var(--transition-slow);
            border-radius: var(--radius-md);
        }

        .danmaku-feature-item:hover .danmaku-feature-image img {
            transform: scale(1.04);
        }

        .danmaku-feature-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .danmaku-feature-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .danmaku-tag {
            display: inline-block;
            background: rgba(0, 194, 168, 0.1);
            color: #008C7A;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-right: 8px;
            margin-bottom: 6px;
        }

        .danmaku-tag.orange {
            background: rgba(255, 77, 0, 0.1);
            color: var(--primary);
        }

        /* Danmaku ranking table */
        .danmaku-ranking-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .danmaku-ranking-header {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .danmaku-ranking-header h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
        }

        .danmaku-ranking-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .danmaku-ranking-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-fast);
        }

        .danmaku-ranking-item:last-child {
            border-bottom: none;
        }

        .danmaku-ranking-item:hover {
            background: rgba(255, 77, 0, 0.03);
        }

        .danmaku-ranking-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .danmaku-rank-number {
            font-family: var(--font-numeric);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .danmaku-rank-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 4px;
        }

        .danmaku-rank-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .danmaku-rank-value {
            font-family: var(--font-numeric);
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            white-space: nowrap;
        }

        /* Danmaku effect cards - 4 column compact */
        .effect-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .effect-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .effect-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .effect-card-image {
            height: 140px;
            overflow: hidden;
        }

        .effect-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .effect-card:hover .effect-card-image img {
            transform: scale(1.06);
        }

        .effect-card-body {
            padding: 16px;
        }

        .effect-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .effect-card-body p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .effect-card-badge {
            display: inline-block;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
        }

        .effect-card-badge.teal {
            background: var(--accent-teal);
        }

        .effect-card-badge.dark {
            background: var(--bg-dark);
        }

        /* Danmaku scenario - alternating */
        .scenario-grid {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            padding: 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .scenario-block:nth-child(even) .scenario-image {
            order: 1;
        }
        .scenario-block:nth-child(even) .scenario-text {
            order: 0;
        }

        .scenario-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .scenario-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scenario-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .scenario-point-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scenario-point-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 4px 0;
        }

        .scenario-point-list li i {
            color: var(--accent-teal);
            font-size: 0.8rem;
        }

        /* Timeline */
        .timeline-wrapper {
            position: relative;
            padding-left: 32px;
        }

        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 32px 24px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-item .timeline-meta {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Deep content */
        .deep-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .deep-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .deep-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content .highlight-text {
            border-left: 3px solid var(--primary);
            padding-left: 16px;
            font-style: normal;
            font-weight: 500;
            color: var(--text-main);
        }

        /* FAQ */
        .faq-wrapper .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-color);
            background: transparent;
            margin-bottom: 0;
            border-radius: 0;
        }

        .faq-wrapper .accordion-button {
            background: transparent;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            padding: 18px 0;
            border: none;
            box-shadow: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        .faq-wrapper .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
            box-shadow: none;
        }

        .faq-wrapper .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--text-secondary);
            width: auto;
            height: auto;
            transition: transform var(--transition-base), color var(--transition-fast);
            position: absolute;
            right: 0;
        }

        .faq-wrapper .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--primary);
            background-image: none;
            transform: none;
        }

        .faq-wrapper .accordion-button:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .faq-wrapper .accordion-body {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 0 20px 0;
        }

        /* CTA section */
        .cta-section {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 77, 0, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 250px;
            height: 250px;
            background: rgba(0, 194, 168, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-on-dark);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 56px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 8px 8px;
                font-size: 0.85rem;
            }

            .effect-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-top {
                grid-template-columns: 1fr 1fr 1fr;
            }

            .hero-title {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hamburger-btn {
                display: block;
            }

            .hero-banner {
                min-height: 480px;
                padding: 56px 0;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-nav-strip {
                gap: 6px;
                margin-top: 24px;
                padding-top: 16px;
            }

            .hero-danmaku-stats {
                gap: 20px;
                margin-top: 24px;
            }

            .hero-stat-number {
                font-size: 1.6rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .danmaku-feature-item,
            .scenario-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .danmaku-feature-item:nth-child(even) .danmaku-feature-image,
            .danmaku-feature-item:nth-child(odd) .danmaku-feature-image,
            .scenario-block:nth-child(even) .scenario-image,
            .scenario-block:nth-child(odd) .scenario-image {
                order: 0;
            }

            .danmaku-feature-image img,
            .scenario-image img {
                height: 180px;
            }

            .effect-card-grid {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .deep-content {
                padding: 24px 20px;
            }

            .breadcrumb-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-block {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .btn-primary-dm,
            .btn-outline-dm,
            .btn-light-dm {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .danmaku-ranking-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }

            .danmaku-ranking-header {
                padding: 12px 16px;
            }

            .danmaku-ranking-item {
                padding: 12px 16px;
            }

            .danmaku-ranking-left {
                gap: 10px;
            }

            .danmaku-rank-number {
                font-size: 1.1rem;
                width: 30px;
            }

            .danmaku-rank-value {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }
        .nav-menu a:hover {
            color: var(--text-main);
        }
        .nav-menu a:hover::after {
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), visibility var(--transition-base);
        }
        .mobile-drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--bg-dark);
            z-index: 1051;
            transition: right var(--transition-slow);
            padding: 24px 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .drawer-close {
            align-self: flex-end;
            background: none;
            border: none;
            color: var(--text-on-dark);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .mobile-drawer ul {
            list-style: none;
            margin: 24px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-drawer ul a {
            color: var(--text-on-dark-soft);
            font-size: 1.1rem;
            padding: 12px 8px;
            display: block;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: color var(--transition-fast);
        }
        .mobile-drawer ul a.active {
            color: var(--primary-light);
            font-weight: 600;
        }
        .mobile-drawer ul a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 991px) {
            .nav-menu {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: transparent;
            padding: 16px 0;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb-home {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar .breadcrumb-home:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb-sep {
            color: var(--border-color);
            margin: 0 4px;
        }
        .breadcrumb-bar .breadcrumb-current {
            color: var(--text-main);
            font-weight: 600;
        }
        .breadcrumb-back {
            margin-left: auto;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-back:hover {
            color: var(--primary);
        }
        @media (max-width: 576px) {
            .breadcrumb-bar {
                font-size: 0.82rem;
                gap: 4px;
            }
            .breadcrumb-back {
                width: 100%;
                margin-left: 0;
                margin-top: 4px;
            }
        }

        /* Hero - Event KV Full Width */
        .hero-event {
            position: relative;
            min-height: 520px;
            background-image: linear-gradient(rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.55)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            color: var(--text-on-dark);
            overflow: hidden;
        }
        .hero-event .container-custom {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-event-inner {
            padding: 40px 0;
            max-width: 700px;
        }
        .hero-event .event-badge {
            display: inline-block;
            background: rgba(255, 77, 0, 0.2);
            border: 1px solid rgba(255, 106, 43, 0.5);
            color: #FFB38A;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }
        .hero-event h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .hero-event h1 .highlight {
            color: var(--primary-light);
        }
        .hero-event .hero-sub {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(247, 245, 240, 0.9);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-event .countdown-bar {
            background: rgba(0, 0, 0, 0.45);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .hero-event .countdown-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: #E5E7EB;
        }
        .hero-event .countdown-digits {
            display: flex;
            gap: 12px;
            font-family: var(--font-numeric);
        }
        .hero-event .countdown-unit {
            text-align: center;
        }
        .hero-event .countdown-unit .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #FFFFFF;
            display: block;
            line-height: 1.2;
        }
        .hero-event .countdown-unit .unit-label {
            font-size: 0.75rem;
            color: #9CA3AF;
            letter-spacing: 0.05em;
        }
        .hero-event .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(255, 77, 0, 0.35);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #F7F5F0;
            border: 1px solid rgba(247, 245, 240, 0.5);
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-outline-custom:hover {
            background: var(--bg-dark);
            color: #FFFFFF;
            border-color: var(--bg-dark);
        }
        @media (max-width: 768px) {
            .hero-event {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-event h1 {
                font-size: 2.2rem;
            }
            .hero-event .hero-sub {
                font-size: 1rem;
            }
            .hero-event .countdown-unit .num {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 576px) {
            .hero-event h1 {
                font-size: 1.8rem;
            }
            .hero-event .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-event .btn-primary-custom,
            .hero-event .btn-outline-custom {
                width: 100%;
            }
        }

        /* General Section */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-block.bg-muted {
            background: #F0EDE6;
        }
        .section-block.bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-head {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-head .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0;
            position: relative;
            padding-left: 18px;
        }
        .section-head .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.3em;
            bottom: 0.3em;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        .bg-dark-section .section-head .section-title {
            color: #FFFFFF;
        }
        .section-head .section-sub {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.7;
        }
        .bg-dark-section .section-head .section-sub {
            color: #B0B3B8;
        }
        @media (max-width: 768px) {
            .section-head .section-title {
                font-size: 1.7rem;
            }
            .section-block {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        /* Data Metrics */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: default;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 77, 0, 0.3);
        }
        .metric-card .metric-number {
            font-family: var(--font-numeric);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .metric-card .metric-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }
        .metric-card .metric-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }
        @media (max-width: 992px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .metrics-row {
                grid-template-columns: 1fr;
            }
            .metric-card .metric-number {
                font-size: 2.2rem;
            }
        }

        /* Cover Card Grid - 4 columns */
        .cover-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cover-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: default;
            display: flex;
            flex-direction: column;
        }
        .cover-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 77, 0, 0.35);
        }
        .cover-card .card-img {
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #E5E7EB;
            transition: transform var(--transition-slow);
        }
        .cover-card:hover .card-img {
            transform: scale(1.05);
        }
        .cover-card .card-body-inner {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cover-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .cover-card .card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .cover-card .card-tag {
            display: inline-block;
            background: rgba(0, 194, 168, 0.1);
            color: #008B75;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 10px;
            align-self: flex-start;
        }
        @media (max-width: 992px) {
            .cover-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .cover-card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Timeline List */
        .timeline-list {
            position: relative;
            padding-left: 36px;
            list-style: none;
            margin: 0;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 32px 20px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--bg-card);
            border: 3px solid var(--primary);
            border-radius: 50%;
            z-index: 2;
        }
        .timeline-item .timeline-phase {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .timeline-item .timeline-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .timeline-item .timeline-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
        }
        .timeline-item .timeline-meta {
            display: flex;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .timeline-item .timeline-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 576px) {
            .timeline-list {
                padding-left: 24px;
            }
            .timeline-list::before {
                left: 7px;
            }
            .timeline-item::before {
                left: -22px;
                width: 12px;
                height: 12px;
            }
        }

        /* Horizontal Scroll Cards */
        .scroll-section {
            position: relative;
        }
        .scroll-viewport {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 12px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .scroll-viewport::-webkit-scrollbar {
            height: 6px;
        }
        .scroll-viewport::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-viewport::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }
        .scroll-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .scroll-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 77, 0, 0.3);
        }
        .scroll-card .scroll-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #E5E7EB;
        }
        .scroll-card .scroll-card-body {
            padding: 18px;
        }
        .scroll-card .scroll-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .scroll-card .scroll-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .scroll-card .scroll-card-metrics {
            display: flex;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .scroll-card .scroll-card-metrics strong {
            color: var(--primary);
            font-family: var(--font-numeric);
            font-weight: 700;
        }
        .scroll-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.1rem;
            color: var(--text-main);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            z-index: 5;
        }
        .scroll-arrow:hover {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .scroll-arrow.prev {
            left: -18px;
        }
        .scroll-arrow.next {
            right: -18px;
        }
        @media (max-width: 768px) {
            .scroll-arrow {
                display: none;
            }
            .scroll-card {
                flex: 0 0 260px;
            }
        }

        /* Alternating Image-Text */
        .split-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 40px;
        }
        .split-row:last-child {
            margin-bottom: 0;
        }
        .split-row .split-text {
            padding: 16px 0;
        }
        .split-row .split-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .split-row .split-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .split-row .split-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .split-row .split-text ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .split-row .split-text ul li i {
            color: var(--primary);
            margin-top: 5px;
            flex-shrink: 0;
        }
        .split-row .split-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            object-fit: cover;
            background: #E5E7EB;
            transition: transform var(--transition-slow);
            width: 100%;
        }
        .split-row .split-img:hover {
            transform: scale(1.02);
        }
        @media (max-width: 992px) {
            .split-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .split-row .split-text {
                order: 1;
            }
            .split-row .split-img {
                order: 2;
                aspect-ratio: 16/10;
            }
        }

        /* Data Table / Ranking List */
        .rank-table {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .rank-table .rank-row {
            display: grid;
            grid-template-columns: 70px 1fr 120px 140px;
            align-items: center;
            padding: 16px 20px;
            gap: 16px;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-fast);
        }
        .rank-table .rank-row:last-child {
            border-bottom: none;
        }
        .rank-table .rank-row:hover {
            background: #FAF8F5;
        }
        .rank-table .rank-header {
            font-weight: 700;
            color: var(--text-main);
            font-size: 0.9rem;
            background: #F9F7F2;
            border-bottom: 2px solid var(--border-color);
        }
        .rank-table .rank-num {
            font-family: var(--font-numeric);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-secondary);
        }
        .rank-table .rank-num.top1 {
            color: #FF4D00;
        }
        .rank-table .rank-num.top2 {
            color: #D97706;
        }
        .rank-table .rank-num.top3 {
            color: #B45309;
        }
        .rank-table .rank-name {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
        }
        .rank-table .rank-category {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .rank-table .rank-value {
            font-family: var(--font-numeric);
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .rank-table .rank-row {
                grid-template-columns: 50px 1fr 90px;
                padding: 12px 14px;
                gap: 10px;
                font-size: 0.85rem;
            }
            .rank-table .rank-value {
                font-size: 0.9rem;
            }
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 77, 0, 0.3);
        }
        .news-item .news-date {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .news-item .news-content {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
        }
        .news-item .news-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-item .news-btn {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            display: inline-block;
        }
        .news-item .news-btn:hover {
            background: var(--text-main);
            color: #FFFFFF;
            border-color: var(--text-main);
        }
        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .news-item .news-date {
                font-size: 0.82rem;
            }
            .news-item .news-btn {
                align-self: flex-start;
            }
        }

        /* FAQ Accordion Custom */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            transition: border-color var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(255, 77, 0, 0.3);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            transition: color var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0.4);
            transition: transform var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            filter: brightness(0.4);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 60px 0;
        }
        .cta-section .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .cta-section .cta-sub {
            font-size: 1.05rem;
            color: #B0B3B8;
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .cta-section .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            flex-wrap: wrap;
        }
        .cta-section .cta-input {
            flex: 1;
            min-width: 200px;
            background: transparent;
            border: none;
            border-bottom: 2px solid rgba(255, 255, 255, 0.25);
            color: #FFFFFF;
            padding: 12px 0;
            font-size: 1rem;
            transition: border-color var(--transition-base);
            border-radius: 0;
        }
        .cta-section .cta-input::placeholder {
            color: #9CA3AF;
        }
        .cta-section .cta-input:focus {
            outline: none;
            border-bottom-color: var(--primary-light);
        }
        .cta-section .cta-btn {
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .cta-section .cta-btn:hover {
            background: var(--primary-hover);
            transform: scale(1.02);
        }
        @media (max-width: 576px) {
            .cta-section .cta-title {
                font-size: 1.6rem;
            }
            .cta-section .cta-form {
                flex-direction: column;
                gap: 16px;
            }
            .cta-section .cta-btn {
                width: 100%;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 60px 0 20px;
            margin-top: 0;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: #B0B3B8;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-col ul a {
            color: #B0B3B8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.82rem;
            color: #9CA3AF;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 16px;
        }
        .site-footer .footer-links a {
            color: #9CA3AF;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 992px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Extra accent badge */
        .teal-badge {
            background: rgba(0, 194, 168, 0.12);
            color: #008B75;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
        }
        .orange-underline {
            border-bottom: 3px solid var(--primary);
            padding-bottom: 2px;
        }

/* roulang page: category5 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 24px rgba(0,0,0,0.08);
            --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-numeric: 'Roboto','Helvetica Neue',Arial,sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
        }
        button:focus, a:focus, input:focus, textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 575.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0,0,0,0.06);
            border-bottom-color: var(--border-color);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255,77,0,0.3);
            border-radius: 50%;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }
        .nav-menu a:hover {
            color: var(--text-main);
        }
        .nav-menu a:hover::after {
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1040;
            display: none;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100vh;
            background: var(--bg-card);
            z-index: 1045;
            padding: 24px;
            overflow-y: auto;
            transition: right var(--transition-base);
            box-shadow: -4px 0 24px rgba(0,0,0,0.12);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .close-btn {
            display: block;
            margin-left: auto;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-drawer .nav-menu {
            flex-direction: column;
            gap: 8px;
        }
        .mobile-drawer .nav-menu a {
            font-size: 1.1rem;
            padding: 12px 0;
        }
        @media (max-width: 991.98px) {
            .nav-menu {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            margin-top: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: var(--border-color);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--text-main);
            font-weight: 500;
        }
        .back-link {
            margin-left: auto;
            font-size: 0.875rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .back-link:hover {
            color: var(--primary);
        }

        /* Hero - short banner style */
        .category-hero {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 64px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,77,0,0.18), transparent 70%);
            pointer-events: none;
        }
        .category-hero .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .category-hero h1 .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .category-hero p {
            font-size: 1.05rem;
            color: var(--text-on-dark-soft);
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: scale(1.02);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-on-dark);
            border: 1px solid rgba(255,255,255,0.4);
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: var(--text-on-dark);
            color: var(--text-main);
            border-color: var(--text-on-dark);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-family: var(--font-numeric);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 0.875rem;
            color: var(--text-on-dark-soft);
        }
        .hero-image-wrapper {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        @media (max-width: 991.98px) {
            .category-hero .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 575.98px) {
            .category-hero {
                padding: 40px 0 56px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
        }

        /* Section common */
        .section {
            padding: var(--spacing-section) 0;
        }
        @media (max-width: 767.98px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            position: relative;
        }
        .section-title .accent-line {
            display: inline-block;
            width: 40px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin-right: 12px;
            vertical-align: middle;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            margin-bottom: 32px;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-dark .section-title {
            color: var(--text-on-dark);
        }
        .section-dark .section-subtitle {
            color: var(--text-on-dark-soft);
        }

        /* Feature grid variant - hero feature card */
        .feature-showcase {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .feature-main-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .feature-main-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .feature-main-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-main-card p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .feature-side-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .feature-side-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .feature-side-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .feature-side-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-side-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        @media (max-width: 767.98px) {
            .feature-showcase {
                grid-template-columns: 1fr;
            }
        }

        /* Timeline list */
        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            padding-left: 64px;
            margin-bottom: 24px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item .timeline-icon {
            position: absolute;
            left: 12px;
            top: 6px;
            width: 24px;
            height: 24px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.75rem;
            z-index: 1;
            box-shadow: 0 0 0 4px rgba(255,77,0,0.15);
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-item p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Data table */
        .content-data-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .content-data-table th,
        .content-data-table td {
            padding: 16px 20px;
            text-align: left;
            font-size: 0.95rem;
        }
        .content-data-table thead th {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            font-weight: 600;
            white-space: nowrap;
        }
        .content-data-table tbody tr {
            border-bottom: 1px solid var(--border-color);
        }
        .content-data-table tbody tr:last-child {
            border-bottom: none;
        }
        .content-data-table tbody tr:hover {
            background: #faf9f7;
        }
        .content-data-table .positive {
            color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 767.98px) {
            .content-data-table th,
            .content-data-table td {
                padding: 12px 14px;
                font-size: 0.825rem;
            }
        }

        /* Related cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            flex: 1;
        }
        .related-card .card-link {
            font-weight: 600;
            color: var(--primary);
            align-self: flex-start;
        }
        @media (max-width: 991.98px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            padding: 18px 24px;
            font-size: 1rem;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: none;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: none;
        }
        .accordion-custom .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
        }

        /* CTA section */
        .cta-box {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            color: var(--text-on-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-box h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-box p {
            color: var(--text-on-dark-soft);
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 64px 0 24px;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-dark);
        }
        .footer-brand h3 {
            color: var(--text-on-dark);
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(247,245,240,0.7);
        }
        .footer-col h4 {
            color: var(--text-on-dark);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            color: rgba(247,245,240,0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(247,245,240,0.6);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }
        .footer-bottom .footer-links a {
            color: rgba(247,245,240,0.6);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 991.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 575.98px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom .footer-links {
                margin-left: 0;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
        }
        button:focus, a:focus, input:focus, textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }
        .nav-menu a:hover {
            color: var(--text-main);
        }
        .nav-menu a:hover::after {
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1040;
            display: none;
        }
        .mobile-drawer-overlay.open {
            display: block;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 1055;
            transition: right var(--transition-base);
            padding: 24px;
            box-shadow: -4px 0 24px rgba(0,0,0,0.12);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .mobile-drawer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-drawer ul li a {
            display: block;
            padding: 14px 8px;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-drawer ul li a:hover {
            color: var(--primary);
            padding-left: 16px;
        }
        .mobile-drawer ul li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 20px 0 16px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .breadcrumb-trail {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-trail a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-trail a:hover {
            color: var(--primary);
        }
        .breadcrumb-trail .separator {
            color: #999;
            font-size: 0.8rem;
        }
        .breadcrumb-trail .current {
            color: var(--text-main);
            font-weight: 600;
        }
        .back-link {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }
        .back-link:hover {
            color: var(--primary);
        }
        .back-link i {
            font-size: 0.85rem;
        }

        /* Buttons */
        .btn-primary-custom {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            text-align: center;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: scale(1.02);
        }
        .btn-outline-custom {
            display: inline-block;
            padding: 12px 28px;
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-pill);
            border: 1px solid var(--text-main);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-align: center;
        }
        .btn-outline-custom:hover {
            background: var(--text-main);
            color: #fff;
            transform: scale(1.02);
        }

        /* Hero Section */
        .hero-tech {
            position: relative;
            padding: 80px 0 70px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-tech .hero-bg-image {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            animation: heroZoom 6s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% { transform: scale(1.05); }
            100% { transform: scale(1.12); }
        }
        .hero-tech .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26,26,26,0.85) 0%, rgba(26,26,26,0.5) 100%);
        }
        .hero-tech .hero-content {
            position: relative;
            z-index: 2;
            padding: 24px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 0, 0.18);
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 77, 0, 0.35);
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 0.9rem;
        }
        .hero-tech h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-on-dark);
            margin-bottom: 18px;
        }
        .hero-tech h1 .highlight {
            color: var(--primary-light);
            position: relative;
            white-space: nowrap;
        }
        .hero-tech h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .hero-tech .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(247, 245, 240, 0.8);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 30px;
        }
        .hero-tech .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-tech .btn-hero-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .hero-tech .btn-hero-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: scale(1.03);
        }
        .hero-tech .btn-hero-secondary {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--text-on-dark);
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.4);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .hero-tech .btn-hero-secondary:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border-color: #fff;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .stat-number {
            font-family: var(--font-numeric);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(247, 245, 240, 0.7);
        }

        /* Section Styles */
        .section-tech {
            padding: var(--spacing-section) 0;
        }
        .section-tech-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-title-group {
            margin-bottom: 40px;
        }
        .section-title-group .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .section-title-group .section-label::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-title-group h2 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-title-group p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Feature Spotlight Card */
        .feature-spotlight-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
            margin-bottom: 32px;
        }
        .feature-spotlight-card:hover {
            box-shadow: var(--shadow-md);
        }
        .feature-spotlight-card .spotlight-image-wrapper {
            position: relative;
            overflow: hidden;
            height: 360px;
        }
        .feature-spotlight-card .spotlight-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .feature-spotlight-card:hover .spotlight-image-wrapper img {
            transform: scale(1.04);
        }
        .feature-spotlight-card .spotlight-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }
        .feature-spotlight-card .spotlight-body {
            padding: 28px 32px;
        }
        .feature-spotlight-card .spotlight-body h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .feature-spotlight-card .spotlight-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-spotlight-card .spotlight-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .feature-spotlight-card .spotlight-meta i {
            color: var(--primary);
            margin-right: 6px;
        }

        /* Sub Feature Cards - 2 Column */
        .sub-feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .sub-feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px;
            display: flex;
            gap: 18px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }
        .sub-feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .sub-feature-card .sf-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 77, 0, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .sub-feature-card .sf-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .sub-feature-card .sf-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Data Table Section */
        .data-table-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .data-table-card .table-header {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .data-table-card .table-header h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0;
            color: #fff;
        }
        .data-table-card .table-header .table-badge {
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .tech-data-table {
            width: 100%;
            border-collapse: collapse;
        }
        .tech-data-table th {
            background: #FAFAF8;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            text-align: left;
            padding: 14px 28px;
            border-bottom: 1px solid var(--border-color);
        }
        .tech-data-table td {
            font-size: 0.95rem;
            color: var(--text-main);
            padding: 16px 28px;
            border-bottom: 1px solid #F0EEE9;
        }
        .tech-data-table tr:last-child td {
            border-bottom: none;
        }
        .tech-data-table tr:hover td {
            background: rgba(255, 77, 0, 0.025);
        }
        .tech-data-table .td-highlight {
            font-family: var(--font-numeric);
            font-weight: 700;
            color: var(--primary);
        }
        .td-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .td-status.online {
            background: rgba(0, 194, 168, 0.1);
            color: #008174;
        }
        .td-status.upgrading {
            background: rgba(255, 77, 0, 0.08);
            color: var(--primary);
        }

        /* Timeline Section */
        .timeline-tech {
            position: relative;
            padding-left: 32px;
        }
        .timeline-tech::before {
            content: '';
            position: absolute;
            top: 0;
            left: 8px;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 5px;
            left: -28px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
            z-index: 1;
        }
        .timeline-item .timeline-date {
            font-family: var(--font-numeric);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .timeline-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* FAQ Section */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            width: 20px;
            height: 20px;
            background-size: 20px;
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-accordion .accordion-button:focus {
            outline: none;
            box-shadow: none;
            border: none;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-dark);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(255,77,0,0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(247, 245, 240, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-dark);
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(247, 245, 240, 0.65);
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(247, 245, 240, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(247, 245, 240, 0.5);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: rgba(247, 245, 240, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-tech h1 {
                font-size: 2.5rem;
            }
            .sub-feature-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .hero-tech {
                padding: 50px 0 40px;
            }
            .hero-tech h1 {
                font-size: 1.9rem;
            }
            .hero-tech .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.6rem;
            }
            .section-tech {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title-group h2 {
                font-size: 1.7rem;
            }
            .feature-spotlight-card .spotlight-image-wrapper {
                height: 220px;
            }
            .feature-spotlight-card .spotlight-body {
                padding: 20px;
            }
            .feature-spotlight-card .spotlight-body h3 {
                font-size: 1.3rem;
            }
            .timeline-tech {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -20px;
                width: 11px;
                height: 11px;
            }
            .timeline-tech::before {
                left: 5px;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .breadcrumb-wrapper {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-tech h1 {
                font-size: 1.6rem;
            }
            .hero-tech .hero-cta-group {
                flex-direction: column;
            }
            .hero-tech .btn-hero-primary,
            .hero-tech .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }
            .section-title-group h2 {
                font-size: 1.4rem;
            }
            .sub-feature-card {
                flex-direction: column;
                gap: 12px;
            }
            .data-table-card .table-header {
                padding: 16px;
            }
            .tech-data-table th,
            .tech-data-table td {
                padding: 10px 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 76px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }

        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a:hover::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 85%;
            max-width: 360px;
            height: 100%;
            background: var(--bg-card);
            z-index: 1060;
            transition: right var(--transition-base);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            box-shadow: -4px 0 32px rgba(0, 0, 0, 0.15);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-drawer-close {
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 4px 8px;
        }

        .mobile-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-menu a {
            display: block;
            padding: 14px 12px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav-menu a:hover {
            background: rgba(255, 77, 0, 0.06);
            color: var(--primary);
        }

        .mobile-nav-menu a.active {
            background: rgba(255, 77, 0, 0.1);
            color: var(--primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .breadcrumb-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
        }

        .breadcrumb-nav .separator {
            color: var(--text-secondary);
            opacity: 0.6;
            animation: breadcrumbPulse 2s infinite;
        }

        @keyframes breadcrumbPulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        .breadcrumb-nav .current {
            color: var(--text-main);
            font-weight: 600;
        }

        .back-link {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .back-link:hover {
            color: var(--primary);
            background: rgba(255, 77, 0, 0.05);
        }

        /* Hero */
        .page-hero {
            background: var(--bg-card);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero-content {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .page-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 77, 0, 0.08);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            width: fit-content;
        }

        .page-hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-main);
        }

        .page-hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .page-hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* Section共通 */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-block.bg-white {
            background: var(--bg-card);
        }

        .section-block.bg-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
        }

        .section-block.bg-dark .section-title {
            color: var(--text-on-dark);
        }

        .section-block.bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 750;
            letter-spacing: -0.01em;
            margin-bottom: 10px;
            position: relative;
            padding-left: 18px;
            display: inline-block;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.7;
        }

        /* 卡片 */
        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            overflow: hidden;
            height: 100%;
        }

        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .custom-card .card-body {
            padding: 24px;
        }

        .custom-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .custom-card .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .custom-card .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background-color: var(--bg-dark);
        }

        /* 按钮 */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--text-on-dark);
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: var(--text-on-dark);
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(255, 77, 0, 0.25);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--text-main);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            background: var(--text-main);
            color: var(--text-on-dark);
            border-color: var(--text-main);
        }

        .btn-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .btn-link-custom:hover {
            color: var(--primary-hover);
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .tag-orange {
            background: rgba(255, 77, 0, 0.1);
            color: var(--primary);
        }

        .tag-teal {
            background: rgba(0, 194, 168, 0.1);
            color: var(--accent-teal);
        }

        .tag-dark {
            background: rgba(0, 0, 0, 0.06);
            color: var(--text-main);
        }

        /* 统计数字 */
        .stat-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: border-color var(--transition-fast);
        }

        .stat-block:hover {
            border-color: var(--primary);
        }

        .stat-number {
            font-family: var(--font-numeric);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        /* 横向滚动案例 */
        .scroll-row {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) transparent;
        }

        .scroll-row::-webkit-scrollbar {
            height: 6px;
        }

        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }

        .scroll-row::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 3px;
        }

        .scroll-card {
            flex: 0 0 auto;
            width: 68%;
            min-width: 300px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .scroll-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .scroll-card .case-metric {
            font-family: var(--font-numeric);
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .scroll-card .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scroll-card .case-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 时间轴 */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-card);
            box-shadow: 0 0 0 3px var(--primary);
            z-index: 1;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: border-color var(--transition-fast);
        }

        .timeline-content:hover {
            border-color: var(--primary);
        }

        .timeline-content .tl-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-content .tl-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 数据榜单 */
        .data-list {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-fast);
        }

        .data-row:last-child {
            border-bottom: none;
        }

        .data-row:hover {
            background: rgba(255, 77, 0, 0.03);
        }

        .data-row .dr-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .data-row .dr-rank {
            font-family: var(--font-numeric);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 48px;
            text-align: center;
        }

        .data-row .dr-title {
            font-weight: 700;
            font-size: 1rem;
        }

        .data-row .dr-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            max-width: 420px;
        }

        .data-row .dr-value {
            font-family: var(--font-numeric);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

        /* 专题大卡 + 附卡 */
        .feature-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .feature-main-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .feature-main-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .feature-main-card .fmc-image {
            flex: 0 0 240px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .feature-main-card .fmc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 180px;
        }

        .feature-main-card .fmc-content {
            flex: 1;
            min-width: 250px;
        }

        .feature-main-card .fmc-title {
            font-size: 1.35rem;
            font-weight: 750;
            margin-bottom: 10px;
        }

        .feature-main-card .fmc-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .feature-side-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        /* 表单 */
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 560px;
            margin-top: 20px;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            background: transparent;
            border: none;
            border-bottom: 2px solid rgba(255, 255, 255, 0.4);
            color: var(--text-on-dark);
            padding: 10px 4px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder,
        .subscribe-form input[type="text"]::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .subscribe-form input[type="email"]:focus,
        .subscribe-form input[type="text"]:focus {
            border-bottom-color: var(--primary);
            outline: none;
        }

        .form-note {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }

        /* FAQ */
        .accordion-item {
            border: none;
            background: transparent;
            border-bottom: 1px solid var(--border-color);
            border-radius: 0;
        }

        .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--text-main);
            padding: 18px 4px;
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border: none;
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: 4px;
        }

        .accordion-button::after {
            content: '+';
            background: none;
            font-size: 1.5rem;
            font-weight: 400;
            transform: none;
            transition: color var(--transition-fast), transform var(--transition-fast);
            color: var(--text-secondary);
        }

        .accordion-button:not(.collapsed)::after {
            content: '–';
            transform: none;
            color: var(--primary);
            background: none;
        }

        .accordion-body {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 4px 18px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            padding: 56px 0 24px;
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr 0.8fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-dark);
        }

        .site-footer .footer-brand h3 {
            color: var(--text-on-dark);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .site-footer .footer-col h4 {
            color: var(--text-on-dark);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 6px;
        }

        .site-footer .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.86rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-links {
            display: flex;
            gap: 16px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
        }

        .site-footer .footer-links a:hover {
            color: var(--primary-light);
        }

        /* 相关推荐卡片 */
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .related-card .rc-image {
            height: 160px;
            background-size: cover;
            background-position: center;
        }

        .related-card .rc-body {
            padding: 18px 20px;
        }

        .related-card .rc-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .related-card .rc-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            .page-hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 991px) {
            .header-inner {
                gap: 12px;
            }

            .nav-menu {
                gap: 0;
            }

            .nav-menu a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }

            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }

            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }

            .section-block {
                padding: 56px 0;
            }

            .feature-side-grid {
                grid-template-columns: 1fr;
            }

            .feature-main-card .fmc-image {
                flex: 0 0 100%;
                max-height: 240px;
            }
        }

        @media (max-width: 767px) {
            .hamburger-btn {
                display: block;
            }

            .nav-menu {
                display: none;
            }

            .page-hero-title {
                font-size: 1.8rem;
            }

            .page-hero {
                padding: 32px 0 28px;
            }

            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .breadcrumb-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .scroll-card {
                width: 85%;
            }

            .data-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }

            .data-row .dr-left {
                flex-wrap: wrap;
                gap: 8px;
            }

            .data-row .dr-desc {
                max-width: 100%;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input[type="email"],
            .subscribe-form input[type="text"] {
                min-width: 100%;
            }

            .feature-main-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero-title {
                font-size: 1.55rem;
            }

            .scroll-card {
                width: 92%;
                min-width: 260px;
            }

            .site-footer .footer-top {
                grid-template-columns: 1fr;
            }

            .section-block {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.4rem;
                padding-left: 14px;
            }

            .section-title::before {
                height: 22px;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
            }

            .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category7 */
:root {
            --bg-primary: #F7F5F0;
            --bg-dark: #1A1A1A;
            --bg-card: #FFFFFF;
            --primary: #FF4D00;
            --primary-hover: #C73C0D;
            --primary-light: #FF6A2B;
            --accent-teal: #00C2A8;
            --text-main: #141414;
            --text-secondary: #5F6368;
            --text-on-dark: #FFFFFF;
            --text-on-dark-soft: #F7F5F0;
            --border-color: #E5E7EB;
            --border-dark: #333333;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 40px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-numeric: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            padding: 12px 0;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            border-bottom-color: var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }

        .brand-logo .logo-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 77, 0, 0.3);
            border-radius: 50%;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
            border-radius: 2px;
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a:hover::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 32px 0 16px;
        }

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
        }

        .breadcrumb-nav .separator {
            color: #9CA3AF;
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--text-main);
            font-weight: 600;
        }

        .back-link {
            font-size: 0.875rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .back-link:hover {
            color: var(--primary);
        }

        /* Page Title */
        .page-title-section {
            padding: 24px 0 40px;
        }

        .page-title-section h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .page-title-section h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .page-title-section .subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Hero - dark panel with data list */
        .hero-replay {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            margin-bottom: var(--spacing-section);
            position: relative;
            overflow: hidden;
        }

        .hero-replay::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(to left, rgba(255, 77, 0, 0.08), transparent);
            pointer-events: none;
        }

        .hero-replay-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .hero-replay-text {
            flex: 1;
        }

        .hero-replay-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-on-dark);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .hero-replay-text h2 .accent {
            color: var(--primary-light);
        }

        .hero-replay-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-replay-text .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-data-panel {
            flex: 0 0 320px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
        }

        .hero-data-panel h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-data-item:last-child {
            border-bottom: none;
        }

        .hero-data-item .label {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .hero-data-item .value {
            font-family: var(--font-numeric);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-light);
        }

        /* Section title */
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 4px;
            height: 1.2em;
            background: var(--primary);
            margin-right: 12px;
            vertical-align: middle;
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        /* Feature highlight - mixed width layout */
        .feature-grid-mixed {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .feature-card-large {
            grid-column: span 2;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px;
            display: flex;
            gap: 32px;
            align-items: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .feature-card-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .feature-card-large .icon-wrap {
            flex: 0 0 64px;
            height: 64px;
            background: rgba(255, 77, 0, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-card-large h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-card-large p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        .feature-card-small {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .feature-card-small:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .feature-card-small .icon-wrap {
            width: 48px;
            height: 48px;
            background: rgba(0, 194, 168, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-teal);
            margin-bottom: 16px;
        }

        .feature-card-small h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-card-small p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Horizontal replay list */
        .replay-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .replay-list-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            align-items: stretch;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .replay-list-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .replay-list-item .thumb {
            flex: 0 0 220px;
            min-height: 160px;
            position: relative;
            overflow: hidden;
        }

        .replay-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .replay-list-item:hover .thumb img {
            transform: scale(1.05);
        }

        .replay-list-item .thumb .duration-badge {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            font-size: 0.75rem;
            font-family: var(--font-numeric);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        .replay-list-item .info {
            flex: 1;
            padding: 20px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .replay-list-item .info .tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .replay-tag {
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .replay-tag.orange {
            background: rgba(255, 77, 0, 0.08);
            color: var(--primary);
        }

        .replay-tag.teal {
            background: rgba(0, 194, 168, 0.08);
            color: var(--accent-teal);
        }

        .replay-tag.gray {
            background: #F3F4F6;
            color: var(--text-secondary);
        }

        .replay-list-item .info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .replay-list-item .info .meta {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .replay-list-item .info .meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Category cards - 4 column compact */
        .category-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-card-compact {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .category-card-compact:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .category-card-compact .thumb {
            height: 120px;
            overflow: hidden;
            position: relative;
        }

        .category-card-compact .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .category-card-compact:hover .thumb img {
            transform: scale(1.05);
        }

        .category-card-compact .body {
            padding: 16px;
        }

        .category-card-compact .body h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .category-card-compact .body p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Stats table */
        .stats-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .stats-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .stats-table thead {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .stats-table thead th {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: left;
            letter-spacing: 0.02em;
        }

        .stats-table tbody tr {
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-fast);
        }

        .stats-table tbody tr:hover {
            background: rgba(255, 77, 0, 0.03);
        }

        .stats-table tbody tr:last-child {
            border-bottom: none;
        }

        .stats-table tbody td {
            padding: 14px 20px;
            color: var(--text-secondary);
        }

        .stats-table tbody td:first-child {
            font-weight: 600;
            color: var(--text-main);
        }

        .stats-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-family: var(--font-numeric);
            font-weight: 700;
            font-size: 0.85rem;
        }

        .rank-badge.r1 {
            background: var(--primary);
            color: #fff;
        }

        .rank-badge.r2 {
            background: #FF8A5C;
            color: #fff;
        }

        .rank-badge.r3 {
            background: #FFB08A;
            color: #fff;
        }

        .rank-badge.other {
            background: #F3F4F6;
            color: var(--text-secondary);
        }

        /* Steps */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-item {
            text-align: left;
            position: relative;
            padding-top: 20px;
        }

        .step-item .step-number {
            font-family: var(--font-numeric);
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(255, 77, 0, 0.15);
            position: absolute;
            top: -8px;
            right: 0;
            line-height: 1;
        }

        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            transition: color var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-card);
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-collapse {
            border-top: 1px solid var(--border-color);
        }

        .accordion-custom .accordion-body {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA section */
        .cta-section {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: rgba(255, 77, 0, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(0, 194, 168, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-on-dark);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Buttons */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            border: 2px solid var(--primary);
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: scale(1.02);
            color: #fff !important;
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main) !important;
            border: 2px solid var(--text-main);
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-secondary-custom:hover {
            background: var(--text-main);
            color: var(--text-on-dark) !important;
            transform: scale(1.02);
        }

        .btn-secondary-custom.on-dark {
            color: var(--text-on-dark) !important;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-secondary-custom.on-dark:hover {
            background: var(--text-on-dark);
            color: var(--text-main) !important;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark-soft);
            margin-top: var(--spacing-section);
            padding: 60px 0 32px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-on-dark);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-links {
            margin-left: auto;
            display: flex;
            gap: 16px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        /* Section spacing */
        .section-spacing {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-spacing-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .hero-replay {
                padding: 40px 32px;
            }
            .hero-replay-inner {
                gap: 32px;
            }
            .hero-data-panel {
                flex: 0 0 260px;
                padding: 20px;
            }
            .category-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 24px;
            }
            .steps-horizontal {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-menu {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px 20px;
                box-shadow: var(--shadow-lg);
                max-height: calc(100vh - 60px);
                overflow-y: auto;
                z-index: 1040;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 1rem;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu a::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(255, 77, 0, 0.05);
                border-left: 3px solid var(--primary);
            }
            .hero-replay {
                padding: 32px 20px;
                border-radius: var(--radius-md);
            }
            .hero-replay-inner {
                flex-direction: column;
                gap: 24px;
            }
            .hero-replay-text h2 {
                font-size: 1.5rem;
            }
            .hero-data-panel {
                flex: 1;
                width: 100%;
            }
            .feature-grid-mixed {
                grid-template-columns: 1fr;
            }
            .feature-card-large {
                grid-column: span 1;
                flex-direction: column;
                gap: 16px;
                padding: 24px;
            }
            .replay-list-item {
                flex-direction: column;
            }
            .replay-list-item .thumb {
                flex: 0 0 auto;
                min-height: 180px;
                width: 100%;
            }
            .replay-list-item .info {
                padding: 16px 20px;
            }
            .category-card-grid {
                grid-template-columns: 1fr;
            }
            .steps-horizontal {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom .footer-links {
                margin-left: 0;
            }
            .page-title-section h1 {
                font-size: 1.75rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .breadcrumb-section {
                padding: 20px 0 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-section: 48px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-replay {
                padding: 24px 16px;
                border-radius: var(--radius-sm);
            }
            .hero-replay-text h2 {
                font-size: 1.25rem;
            }
            .hero-replay-text p {
                font-size: 0.9rem;
            }
            .hero-data-item .value {
                font-size: 1rem;
            }
            .stats-table thead th,
            .stats-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .stats-table {
                font-size: 0.8rem;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .page-title-section h1 {
                font-size: 1.4rem;
            }
        }