/* roulang page: index */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }

        ::selection {
            background: var(--accent);
            color: var(--bg-primary);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.95);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.6rem;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }

        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        @media (min-width: 768px) {
            .search-box {
                display: flex;
                width: 180px;
            }
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.03);
        }

        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-secondary);
        }

        .quick-link {
            display: none;
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        @media (min-width: 1200px) {
            .quick-link {
                display: inline;
            }
        }

        .quick-link:hover {
            color: var(--accent);
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 229, 160, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 500;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--accent);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-text:hover {
            color: var(--accent-dim);
        }

        .btn-text .arrow {
            transition: transform 0.25s ease;
        }

        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 4px;
            transition: background 0.25s ease;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            width: 100%;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-dark);
            z-index: 40;
            transform: translateY(-100%);
            transition: transform 0.35s ease;
            padding: 1.5rem 2rem 2rem;
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer .nav-link {
            display: block;
            padding: 0.8rem 0;
            font-size: 16px;
            border-bottom: 1px solid var(--border-dark);
        }

        .mobile-drawer .nav-link:last-child {
            border-bottom: none;
        }

        /* Section spacing */
        section {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            section {
                padding: 5rem 0;
            }
        }

        @media (min-width: 1024px) {
            section {
                padding: 6rem 0;
            }
        }

        /* Hero */
        .hero-section {
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            padding-top: 3rem;
            padding-bottom: 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.06), transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-grid {
                display: grid;
                grid-template-columns: 7fr 5fr;
                gap: 3rem;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid var(--border-light);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-badge);
            margin-bottom: 1.2rem;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease infinite;
        }

        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 2.4rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
        }

        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            max-width: 540px;
        }

        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 1.05rem;
            }
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2rem;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.8rem;
            max-width: 480px;
        }

        .hero-stat {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 0.8rem 1rem;
            text-align: center;
        }

        .hero-stat .num {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
        }

        .hero-stat .label {
            font-size: 11px;
            color: var(--text-secondary);
            margin-top: 0.2rem;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--card-dark-shadow);
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.1), transparent 60%);
            pointer-events: none;
        }

        .live-panel {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            right: 1rem;
            background: rgba(13, 15, 20, 0.88);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            backdrop-filter: blur(8px);
            z-index: 1;
        }

        .live-indicator {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
        }

        .live-indicator .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.2s ease infinite;
        }

        .live-score {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .live-meta {
            font-size: 11px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        /* Section headings */
        .section-heading {
            margin-bottom: 2.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        /* Pain section */
        .pain-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .pain-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .pain-grid {
                display: grid;
                grid-template-columns: 5fr 7fr;
                gap: 3rem;
                align-items: start;
            }
        }

        .pain-main-text h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .pain-main-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        .pain-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .pain-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.4rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .pain-item:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
        }

        .pain-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(0, 229, 160, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .pain-item-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .pain-item-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Solution section */
        .solution-section {
            background: var(--bg-primary);
        }

        .solution-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        @media (min-width: 1024px) {
            .solution-top {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
                align-items: center;
            }
        }

        .solution-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--card-dark-shadow);
        }

        .solution-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
        }

        @media (min-width: 768px) {
            .solution-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .solution-grid {
                display: grid;
                grid-template-columns: 1.2fr 1fr 0.8fr;
                gap: 1.5rem;
            }
        }

        .solution-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .solution-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--card-dark-shadow);
        }

        .solution-card .icon-circle {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 1rem;
        }

        .solution-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .solution-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Stats section */
        .stats-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .stats-grid {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .stats-grid {
                display: grid;
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }

        .stat-block {
            text-align: center;
            padding: 1.5rem;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            background: var(--bg-primary);
            transition: border-color 0.3s ease;
        }

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

        .stat-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 0.5rem;
        }

        /* Testimonial section */
        .testimonial-section {
            background: var(--bg-tertiary);
            color: var(--text-dark);
        }

        .testimonial-section .section-label {
            color: var(--accent-dim);
        }

        .testimonial-section .section-title {
            color: var(--text-dark);
        }

        .testimonial-section .section-desc {
            color: var(--text-dark-secondary);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 1024px) {
            .testimonial-grid {
                display: grid;
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 1.5rem;
                align-items: start;
            }
        }

        .testimonial-card {
            background: #ffffff;
            border: 1px solid rgba(0, 0, 0, 0.06);
            border-radius: var(--radius-card);
            box-shadow: var(--card-light-shadow);
            padding: 1.5rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .testimonial-card.main {
            padding: 2rem;
        }

        .testimonial-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-dark);
            margin-bottom: 1.2rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
        }

        .testimonial-info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-info p {
            font-size: 12px;
            color: var(--text-dark-secondary);
        }

        /* Brand section */
        .brand-section {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
        }

        .brand-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        @media (min-width: 1024px) {
            .brand-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 3.5rem;
                align-items: center;
            }
        }

        .brand-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--card-dark-shadow);
        }

        .brand-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        /* Deep content sections */
        .deep-content-section {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
        }

        .deep-content-section.alt {
            background: var(--bg-secondary);
        }

        .article-body {
            max-width: 800px;
        }

        .article-body h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
        }

        .article-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.5rem 0 0.8rem;
        }

        .article-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 1.2rem;
        }

        .article-body ul {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .article-body ul li {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-left: 1.5rem;
            position: relative;
            margin-bottom: 0.6rem;
        }

        .article-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.65rem;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* News section */
        .news-section {
            background: var(--bg-tertiary);
            color: var(--text-dark);
        }

        .news-section .section-label {
            color: var(--accent-dim);
        }

        .news-section .section-title {
            color: var(--text-dark);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            transition: background 0.25s ease;
        }

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

        @media (min-width: 768px) {
            .news-item {
                flex-direction: row;
                align-items: center;
                gap: 1.5rem;
            }
        }

        .news-item:hover {
            background: rgba(0, 229, 160, 0.03);
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-dark-secondary);
            min-width: 90px;
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.3rem;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-dark-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
        }

        .faq-list {
            max-width: 750px;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-item.open {
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.4rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            transition: color 0.25s ease;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border: 1px solid var(--border-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.4rem;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .cta-inner {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.06), rgba(0, 229, 160, 0.01));
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 3rem 2rem;
            text-align: center;
        }

        .cta-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 1.8rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }

        /* Guest highlight */
        .guest-section {
            background: var(--bg-primary);
        }

        .guest-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.5rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-dark) transparent;
        }

        .guest-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .guest-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: var(--border-dark);
            border-radius: 4px;
        }

        .guest-card {
            min-width: 260px;
            flex-shrink: 0;
            scroll-snap-align: start;
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.4rem;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .guest-card:hover {
            border-color: var(--border-light);
            transform: translateY(-3px);
        }

        .guest-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .guest-card .guest-role {
            font-size: 12px;
            color: var(--accent);
            margin-bottom: 0.7rem;
        }

        .guest-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Timeline */
        .timeline-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }

        .timeline {
            position: relative;
            max-width: 700px;
            padding-left: 1.5rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 1.2rem;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.5rem;
            top: 0.5rem;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            box-shadow: 0 0 0 2px var(--border-light);
        }

        .timeline-item .timeline-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent);
            margin-bottom: 0.4rem;
        }

        .timeline-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
            padding: 2.5rem 0;
        }

        .footer-grid {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-grid {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                align-items: flex-start;
            }
        }

        .footer-brand .logo-text {
            font-size: 16px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            justify-content: center;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .footer-legal {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.7;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-legal {
                text-align: right;
            }
        }

        .footer-legal a {
            color: var(--text-secondary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .footer-legal a:hover {
            color: var(--accent);
        }

        /* Animations */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .score-flash {
            animation: score-flash 2s ease infinite;
        }

        @keyframes score-flash {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .score-flash {
                animation: none;
            }
            .hero-badge .dot,
            .live-indicator .dot {
                animation: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.95);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.6rem;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }

        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        @media (min-width: 1024px) {
            .search-box {
                display: flex;
                width: 180px;
            }
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.03);
        }

        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-secondary);
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0;
            transition: color 0.25s ease, gap 0.25s ease;
        }

        .btn-text:hover {
            color: var(--accent-dim);
            gap: 0.55rem;
        }

        /* Mobile menu */
        .mobile-menu-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(13, 15, 20, 0.98);
            border-bottom: 1px solid var(--border-dark);
            padding: 1.5rem;
            transform: translateY(-110%);
            transition: transform 0.3s ease;
            z-index: 40;
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer .nav-link {
            display: block;
            padding: 0.8rem 0;
            font-size: 16px;
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(180deg, #0D0F14 0%, #141821 100%);
            padding: 4rem 0 3rem;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 1024px) {
            .hero-grid {
                grid-template-columns: 7fr 5fr;
                align-items: center;
                gap: 4rem;
            }
        }

        .hero-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 2.8rem;
            }
        }

        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2rem;
        }

        .hero-badges {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.8rem;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 0.9rem 1rem;
            text-align: center;
        }

        .hero-badge .badge-num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
        }

        .hero-badge .badge-label {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .hero-visual {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--card-dark-shadow);
        }

        .hero-visual img {
            border-radius: 8px;
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
            margin-bottom: 1rem;
        }

        .hero-visual .score-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: var(--font-mono);
            font-size: 1.2rem;
            color: var(--text-primary);
        }

        .hero-visual .score-row .team {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .hero-visual .score-row .score {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.4rem;
        }

        .hero-visual .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        /* Section base */
        .section {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 4.5rem 0;
            }
        }

        .section-dark {
            background: var(--bg-primary);
        }

        .section-secondary {
            background: var(--bg-secondary);
        }

        .section-light {
            background: var(--bg-tertiary);
            color: var(--text-dark);
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-light .section-title {
            color: var(--text-dark);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .section-light .section-subtitle {
            color: var(--text-dark-secondary);
        }

        /* List layout */
        .list-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .list-layout {
                grid-template-columns: 2fr 1fr;
                gap: 2.5rem;
            }
        }

        .score-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .score-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.4rem;
            transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        .score-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--card-dark-shadow);
        }

        .score-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0.8rem;
        }

        .score-card-body {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .score-card-teams {
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .score-card-teams .vs {
            color: var(--text-secondary);
            font-size: 13px;
            margin: 0 0.2rem;
        }

        .score-card-score {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            white-space: nowrap;
        }

        .score-card-status {
            font-size: 12px;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-badge);
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent);
            white-space: nowrap;
        }

        .score-card-status.upcoming {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .score-card-status.finished {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .score-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.4rem;
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag {
            font-size: 12px;
            padding: 0.35rem 0.9rem;
            border-radius: var(--radius-badge);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
            cursor: pointer;
            transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
        }

        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .tag.active {
            background: var(--accent);
            color: var(--bg-primary);
            border-color: var(--accent);
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--border-dark);
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .sidebar-link:last-child {
            border-bottom: none;
        }

        .sidebar-link:hover {
            color: var(--accent);
        }

        .sidebar-link .arrow {
            transition: transform 0.25s ease;
        }

        .sidebar-link:hover .arrow {
            transform: translateX(4px);
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .feature-grid {
                grid-template-columns: 1.2fr 0.8fr 1fr;
                align-items: stretch;
            }
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            transition: border-color 0.25s ease, transform 0.25s ease;
        }

        .feature-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
        }

        .feature-card .icon-box {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .feature-card.large {
            grid-column: span 1;
        }

        @media (min-width: 1024px) {
            .feature-card.large {
                grid-row: span 1;
            }
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .step-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            position: relative;
        }

        .step-card .step-num {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--accent);
            font-weight: 700;
            display: block;
            margin-bottom: 0.5rem;
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item.open {
            border-color: var(--border-light);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.25s ease;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.4rem;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.4rem;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-primary);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2.5rem;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        @media (min-width: 768px) {
            .cta-box h2 {
                font-size: 2.2rem;
            }
        }

        .cta-box p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.9;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }

        /* Footer */
        .site-footer {
            background: #0a0c10;
            border-top: 1px solid var(--border-dark);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 2rem;
            }
        }

        .footer-brand .logo-area {
            margin-bottom: 0.8rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-links a,
        .footer-legal a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .footer-links a:hover,
        .footer-legal a:hover {
            color: var(--accent);
        }

        .footer-legal p {
            color: var(--text-secondary);
            font-size: 13px;
            margin-bottom: 0.3rem;
        }

        .footer-legal a {
            font-size: 13px;
        }

        /* Animation */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.95);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.4rem;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        @media (min-width: 768px) {
            .search-box {
                display: flex;
                width: 180px;
            }
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.03);
        }

        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-secondary);
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: border-color 0.25s ease;
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .hamburger:hover {
            border-color: var(--accent);
        }

        .hamburger svg {
            width: 20px;
            height: 20px;
            color: var(--text-primary);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 15, 20, 0.98);
            z-index: 40;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            font-size: 16px;
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-dark);
        }

        /* Category Hero Section */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 4rem 0 3rem;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 15, 20, 0.55) 0%, rgba(13, 15, 20, 0.75) 45%, rgba(13, 15, 20, 0.95) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 12px;
            color: var(--accent);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-badge);
            padding: 0.3rem 0.8rem;
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
        }

        .category-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .category-hero h1 {
                font-size: 2.6rem;
            }
        }

        .category-hero p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }

        .filter-tag {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-badge);
            padding: 0.35rem 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--text-primary);
        }

        .filter-tag.active {
            background: var(--accent);
            color: var(--bg-primary);
            border-color: var(--accent);
        }

        /* Card Grid Section */
        .card-grid-section {
            padding: 3rem 0 4rem;
            background: var(--bg-primary);
        }

        .section-header {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }

        .section-header h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .section-header p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }

        .match-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-dark-shadow);
            border: 1px solid var(--border-dark);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
        }

        .match-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: 0 0 0 1px rgba(0, 229, 160, 0.25), 0 12px 36px rgba(0, 0, 0, 0.45);
        }

        .match-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .match-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .match-card:hover .match-card-image img {
            transform: scale(1.04);
        }

        .match-card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }

        .match-card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 0.6rem;
        }

        .match-card-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 229, 160, 0.1);
            border-radius: var(--radius-badge);
            padding: 0.2rem 0.7rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .match-card-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-secondary);
        }

        .match-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .match-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Hidden card state for filtering */
        .match-card.hidden-card {
            display: none;
        }

        /* Data Panel Section */
        .data-panel-section {
            padding: 3.5rem 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .data-panel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }

        @media (min-width: 768px) {
            .data-panel-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }

        .data-stat {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
        }

        .data-stat-number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }

        .data-stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        /* Feature Section */
        .feature-section {
            padding: 4rem 0;
            background: var(--bg-primary);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        @media (min-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 3.5rem;
            }
        }

        .feature-content h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .feature-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 1.25rem;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .feature-list li {
            font-size: 14px;
            color: var(--text-primary);
            padding-left: 1.5rem;
            position: relative;
            line-height: 1.7;
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.55rem;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .feature-image-wrapper {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-dark-shadow);
            border: 1px solid var(--border-dark);
        }

        .feature-image-wrapper img {
            width: 100%;
            height: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        /* FAQ Section */
        .faq-section {
            padding: 4rem 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.expanded {
            border-left: 3px solid var(--accent);
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            line-height: 1.6;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .faq-item.expanded .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 1.25rem 1.25rem;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .faq-item.expanded .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            padding: 4rem 0;
            background: var(--bg-primary);
        }

        .cta-box {
            background: var(--bg-secondary);
            border-radius: 16px;
            border: 1px solid var(--border-light);
            padding: 2.5rem 2rem;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            box-shadow: var(--card-dark-shadow);
        }

        @media (min-width: 768px) {
            .cta-box {
                padding: 3rem 3.5rem;
            }
        }

        .cta-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        @media (min-width: 768px) {
            .cta-box h2 {
                font-size: 1.8rem;
            }
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 1.75rem;
            line-height: 1.8;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: center;
            justify-content: center;
        }

        @media (min-width: 480px) {
            .cta-actions {
                flex-direction: row;
                gap: 1rem;
            }
        }

        .text-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: color 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

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

        .text-link .arrow {
            transition: transform 0.25s ease;
            display: inline-block;
        }

        .text-link:hover .arrow {
            transform: translateX(4px);
        }

        /* Footer */
        .site-footer {
            background: #0A0C10;
            border-top: 1px solid var(--border-dark);
            padding: 2.5rem 0 2rem;
        }

        .footer-grid {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: space-between;
                gap: 2rem;
            }
        }

        .footer-brand .logo-area {
            margin-bottom: 0.5rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            align-items: center;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .footer-legal {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 2;
        }

        .footer-legal a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

        .footer-legal a:hover {
            color: var(--accent);
        }

        /* Transitions for cards */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .fade-in-up-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }

        .fade-in-up-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }

        .fade-in-up-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        .fade-in-up-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

        .fade-in-up-delay-5 {
            animation-delay: 0.5s;
            opacity: 0;
        }

        .fade-in-up-delay-6 {
            animation-delay: 0.6s;
            opacity: 0;
        }

        /* Responsive adjustments */
        @media (max-width: 767px) {
            .category-hero {
                min-height: 340px;
                padding: 3rem 0 2rem;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero p {
                font-size: 14px;
            }
            .filter-bar {
                gap: 0.4rem;
            }
            .filter-tag {
                font-size: 12px;
                padding: 0.3rem 0.8rem;
            }
            .match-card-body {
                padding: 1rem 1.1rem 1.25rem;
            }
            .match-card-title {
                font-size: 1rem;
            }
            .match-card-summary {
                font-size: 13px;
            }
            .data-stat-number {
                font-size: 1.5rem;
            }
            .feature-content h2 {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 400px) {
            .logo-text {
                font-size: 15px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 12px;
                padding: 0.5rem 1rem;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
        img { max-width: 100%; display: block; }
        button, input { font-family: var(--font-sans); outline: none; }
        * { box-sizing: border-box; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        @media (min-width: 768px) { .container { padding: 0 2rem; } }
        @media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }
        .site-header.scrolled { background: rgba(13, 15, 20, 0.95); }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; }
        .logo-area { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
        .logo-icon {
            width: 28px; height: 28px; border-radius: 6px; background: var(--accent);
            display: flex; align-items: center; justify-content: center; color: var(--bg-primary);
            font-weight: 700; font-size: 14px; flex-shrink: 0;
        }
        .logo-text { font-weight: 700; font-size: 17px; letter-spacing: 0.02em; color: var(--text-primary); white-space: nowrap; }
        .nav-links { display: none; align-items: center; gap: 1.6rem; }
        @media (min-width: 1024px) { .nav-links { display: flex; } }
        .nav-link {
            font-size: 14px; font-weight: 500; color: var(--text-secondary);
            position: relative; padding: 4px 0; transition: color 0.25s ease; white-space: nowrap;
        }
        .nav-link::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent); transition: width 0.3s ease; border-radius: 2px;
        }
        .nav-link:hover { color: var(--text-primary); }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: var(--accent); }
        .nav-link.active::after { width: 100%; }
        .nav-right { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
        .search-box {
            display: none; alignitems: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-btn);
    padding: 0 0.8rem;
    height: 36px;
    gap: 0.5rem;
    transition: border-color 0.25s ease, background 0.25s ease;
}
@media (min-width: 1024px) {
    .search-box { display: flex; width: 180px; }
}
.search-box:focus-within {
    border-color: var(--accent);
    background: rgba(0, 229, 160, 0.03);
}
.search-box svg {
    width: 15px;
    height: 15px;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.search-box input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
    outline: none;
}
.search-box input::placeholder {
    color: var(--text-secondary);
}
.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 13px;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-btn);
    border: none;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 229, 160, 0.15);
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-primary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.btn-secondary {
    background: transparent;
    color: var(--accent);
    font-weight: 600;
    font-size: 13px;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-btn);
    border: 1px solid var(--accent);
    cursor: pointer;
    transition: background 0.25s ease, transform 0.2s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn-secondary:hover {
    background: rgba(0, 229, 160, 0.08);
    transform: translateY(-2px);
}
.btn-secondary:active {
    transform: translateY(0);
}
.btn-text {
    background: none;
    border: none;
    color: var(--accent);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0;
    transition: color 0.25s ease, gap 0.25s ease;
}
.btn-text:hover {
    color: var(--accent-dim);
    gap: 0.5rem;
}
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: var(--text-primary);
    transition: border-color 0.25s ease, color 0.25s ease;
}
@media (min-width: 1024px) {
    .mobile-menu-btn { display: none; }
}
.mobile-menu-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.mobile-menu-btn svg {
    width: 18px;
    height: 18px;
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 15, 20, 0.98);
    z-index: 49;
    padding: 2rem;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}
.mobile-menu.open {
    display: flex;
}
.mobile-menu .nav-link {
    font-size: 18px;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-dark);
}
.mobile-menu .nav-link.active {
    color: var(--accent);
}
/* Page hero / banner */
.page-hero {
    background: var(--bg-primary);
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border-dark);
}
.page-hero .breadcrumb {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero h1 {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 1rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}
.page-hero p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0;
}
/* Ticker */
.score-ticker {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-dark);
    border-bottom: 1px solid var(--border-dark);
    padding: 0.75rem 0;
    overflow: hidden;
    position: relative;
}
.score-ticker-inner {
    display: flex;
    gap: 2rem;
    white-space: nowrap;
    animation: tickerScroll 30s linear infinite;
}
.score-ticker:hover .score-ticker-inner {
    animation-play-state: paused;
}
@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 14px;
    color: var(--text-secondary);
}
.ticker-item .ticker-score {
    font-family: var(--font-mono);
    color: var(--accent);
    font-weight: 600;
    font-size: 15px;
}
.ticker-item .ticker-vs {
    color: var(--text-secondary);
    margin: 0 0.3rem;
}
.ticker-item .ticker-time {
    color: var(--text-secondary);
    background: rgba(255,255,255,0.06);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 12px;
    margin-right: 0.5rem;
}

/* Timeline section */
.timeline-section {
    padding: 3rem 0;
    background: var(--bg-primary);
}
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.timeline-container::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}
.timeline-item {
    position: relative;
    padding-left: 64px;
    margin-bottom: 2.5rem;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: 16px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.1);
    z-index: 1;
}
.timeline-item.key .timeline-dot {
    width: 18px;
    height: 18px;
    left: 14px;
    border-width: 4px;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(0, 229, 160, 0.15);
}
.timeline-time {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    background: rgba(0, 229, 160, 0.08);
    padding: 0.2rem 0.8rem;
    border-radius: 9999px;
    display: inline-block;
    margin-bottom: 0.6rem;
}
.timeline-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    box-shadow: var(--card-dark-shadow);
    transition: transform 0.25s ease, border-color 0.25s ease;
}
.timeline-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-light);
}
.timeline-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}
.timeline-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 1rem;
    line-height: 1.7;
}
.timeline-card .timeline-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 12px;
    color: var(--text-secondary);
}
.timeline-card .timeline-meta span {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-dark);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
}

/* Feature cards / sections */
.section-block {
    padding: 4rem 0;
}
.section-block.bg-light {
    background: var(--bg-tertiary);
    color: var(--text-dark);
}
.section-block.bg-dark {
    background: var(--bg-secondary);
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
}
.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
}
.section-block.bg-light .section-subtitle {
    color: var(--text-dark-secondary);
}
.grid {
    display: grid;
    gap: 1.5rem;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-card);
    padding: 1.8rem;
    box-shadow: var(--card-dark-shadow);
    transition: transform 0.25s ease, border-color 0.25s ease;
}
.section-block.bg-light .feature-card {
    background: #fff;
    border-color: rgba(0,0,0,0.06);
    box-shadow: var(--card-light-shadow);
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
}
.feature-card .card-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(0,229,160,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 20px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}
.section-block.bg-light .feature-card h3 { color: var(--text-dark); }
.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}
.section-block.bg-light .feature-card p { color: var(--text-dark-secondary); }

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}
.faq-item:last-child { border-bottom: none; margin-bottom: 0; }
.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    padding: 1rem 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.faq-question:hover { color: var(--accent); }
.faq-question .faq-icon {
    font-size: 20px;
    color: var(--accent);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer {
    max-height: 600px;
}
.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 1rem 1.5rem;
    line-height: 1.8;
}

/* CTA */
.cta-section {
    background: var(--bg-secondary);
    padding: 4rem 0;
    text-align: center;
}
.cta-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 1rem;
}
.cta-section p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 16px;
}
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-dark);
    padding: 3rem 0 1.5rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 2fr 1.5fr; }
}
.footer-brand .logo-area {
    margin-bottom: 0.8rem;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
}
.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.25s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-legal {
    font-size: 12px;
    color: var(--text-secondary);
}
.footer-legal p {
    margin: 0.2rem 0;
}
.footer-legal a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.footer-legal a:hover { color: var(--accent); }

/* roulang page: category4 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.95);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 1.6rem;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }

        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.03);
        }

        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-secondary);
        }

        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 500;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            z-index: 60;
        }

        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-dark);
            z-index: 49;
            display: none;
            padding: 1.5rem 2rem;
            flex-direction: column;
            gap: 1rem;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            font-size: 16px;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-dark);
        }

        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* Hero section */
        .hero-section {
            padding: 4rem 0 3rem;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 160%;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            position: relative;
            z-index: 1;
        }

        .hero-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .hero-title .accent-text {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 1.8rem;
        }

        .hero-image-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--card-dark-shadow);
            position: relative;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.2rem 1.5rem;
            background: linear-gradient(to top, rgba(13, 15, 20, 0.92) 30%, transparent);
        }

        .hero-image-overlay span {
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: block;
            font-family: var(--font-mono);
        }

        .hero-image-overlay strong {
            font-size: 1.3rem;
            color: var(--accent);
            font-family: var(--font-mono);
            font-weight: 700;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.8rem;
            margin-top: 1.5rem;
        }

        .hero-stat-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 0.9rem 1rem;
            text-align: center;
        }

        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.3;
        }

        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            display: block;
            margin-top: 0.2rem;
        }

        /* Section common */
        .section {
            padding: 3rem 0;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        /* Dual column intro */
        .intro-section {
            background: var(--bg-secondary);
            padding: 3.5rem 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .intro-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .intro-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .intro-image img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        /* Data panel */
        .data-panel-section {
            background: var(--bg-primary);
            padding: 3.5rem 0;
        }

        .data-table-wrap {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-top: 1.8rem;
            box-shadow: var(--card-dark-shadow);
        }

        .data-table-scroll {
            overflow-x: auto;
        }

        .data-table {
            width: 100%;
            min-width: 680px;
            border-collapse: collapse;
            font-size: 0.88rem;
        }

        .data-table thead {
            background: rgba(0, 229, 160, 0.06);
            border-bottom: 1px solid var(--border-light);
        }

        .data-table th {
            padding: 0.9rem 1.2rem;
            text-align: left;
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.78rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            white-space: nowrap;
        }

        .data-table td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--border-dark);
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .data-table tbody tr:hover {
            background: rgba(0, 229, 160, 0.03);
        }

        .data-table .mono {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--accent);
        }

        .data-table .status-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-badge);
            font-size: 0.75rem;
            font-weight: 500;
        }

        .status-tag.win {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
            border: 1px solid var(--border-light);
        }

        .status-tag.lose {
            background: rgba(255, 80, 80, 0.1);
            color: #ff6b6b;
            border: 1px solid rgba(255, 80, 80, 0.2);
        }

        .status-tag.draw {
            background: rgba(138, 146, 159, 0.12);
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
        }

        .metric-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 1.8rem;
        }

        .metric-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.2rem 1.4rem;
            transition: border-color 0.25s ease, transform 0.2s ease;
        }

        .metric-card:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
        }

        .metric-label {
            font-size: 0.78rem;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 0.4rem;
            letter-spacing: 0.03em;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .metric-value .accent {
            color: var(--accent);
        }

        .metric-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 0.35rem;
        }

        /* Feature highlight cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            margin-top: 2rem;
        }

        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.6rem;
            transition: border-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
        }

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

        .feature-icon {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.9rem;
            font-size: 1.1rem;
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* Process section */
        .process-section {
            background: var(--bg-tertiary);
            color: var(--text-dark);
            padding: 3.5rem 0;
        }

        .process-section .section-title {
            color: var(--text-dark);
        }

        .process-section .section-subtitle {
            color: var(--text-dark-secondary);
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            margin-top: 2rem;
            counter-reset: step;
        }

        .process-step {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 1.5rem 1.6rem;
            box-shadow: var(--card-light-shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            counter-increment: step;
            position: relative;
        }

        .process-step::before {
            content: counter(step);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent);
            display: block;
            margin-bottom: 0.6rem;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.4rem;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-dark-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            padding: 3.5rem 0;
            background: var(--bg-primary);
        }

        .faq-list {
            margin-top: 1.8rem;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            padding: 1.1rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 1.4rem 1.1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
            border-left: 2px solid var(--accent);
            margin-left: 1.4rem;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }

        /* CTA */
        .cta-section {
            background: var(--bg-secondary);
            padding: 3.5rem 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .cta-inner {
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.08) 0%, rgba(0, 229, 160, 0.02) 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2.2rem 2rem;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .cta-inner p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            align-items: center;
            justify-content: center;
        }

        /* Footer */
        .site-footer {
            background: #0A0C10;
            border-top: 1px solid var(--border-dark);
            padding: 2.5rem 0 2rem;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .footer-brand .logo-area {
            margin-bottom: 0.6rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: color 0.25s ease;
        }

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

        .footer-legal {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .footer-legal p {
            margin: 0;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-legal a {
            color: var(--text-secondary);
        }

        .footer-legal a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .hero-image-wrap img {
                height: 320px;
            }
            .metric-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
            .search-box {
                display: flex;
                width: 170px;
            }
            .menu-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
                align-items: center;
            }
            .hero-title {
                font-size: 2.8rem;
            }
            .intro-grid {
                grid-template-columns: 1.15fr 0.85fr;
                gap: 3rem;
                align-items: center;
            }
            .intro-image img {
                height: 300px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-cards-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .cta-actions {
                flex-direction: row;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr 1.2fr;
                gap: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
            .hero-title {
                font-size: 3rem;
            }
            .hero-image-wrap img {
                height: 360px;
            }
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .nav-links {
                gap: 1.8rem;
            }
            .search-box {
                width: 190px;
            }
            .section {
                padding: 4rem 0;
            }
            .intro-section {
                padding: 4.5rem 0;
            }
            .data-panel-section {
                padding: 4.5rem 0;
            }
            .cta-section {
                padding: 4.5rem 0;
            }
            .faq-section {
                padding: 4.5rem 0;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 1.2rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-image-wrap img {
                height: 220px;
            }
            .hero-stats {
                gap: 0.5rem;
            }
            .hero-stat-item {
                padding: 0.6rem 0.5rem;
            }
            .hero-stat-value {
                font-size: 1.1rem;
            }
            .hero-stat-label {
                font-size: 0.65rem;
            }
            .metric-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.7rem;
            }
            .metric-card {
                padding: 0.9rem 1rem;
            }
            .metric-value {
                font-size: 1.3rem;
            }
            .cta-inner {
                padding: 1.5rem 1.2rem;
            }
            .cta-inner h2 {
                font-size: 1.15rem;
            }
            .process-section {
                padding: 2.5rem 0;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .metric-cards-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .intro-text h2 {
                font-size: 1.25rem;
            }
            .cta-inner h2 {
                font-size: 1rem;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.95);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 1.6rem;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--accent);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }
        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        @media (min-width: 1024px) {
            .search-box {
                display: flex;
                width: 180px;
            }
        }
        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.03);
        }
        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-secondary);
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 229, 160, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.25s ease, gap 0.25s ease;
            cursor: pointer;
        }
        .btn-text:hover {
            color: var(--accent-dim);
            gap: 0.6rem;
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 40;
            padding: 2rem;
            flex-direction: column;
            gap: 1.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            font-size: 18px;
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-dark);
        }

        /* Hero */
        .hero-section {
            padding: 3rem 0 2rem;
            background: var(--bg-primary);
        }
        .hero-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-dark-shadow);
            display: grid;
            grid-template-columns: 1fr;
        }
        @media (min-width: 768px) {
            .hero-card {
                grid-template-columns: 1fr 1fr;
                min-height: 420px;
            }
        }
        .hero-text {
            padding: 2.5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 1.2rem;
        }
        @media (min-width: 768px) {
            .hero-text {
                padding: 3rem 3rem;
            }
        }
        .hero-visual {
            position: relative;
            min-height: 240px;
            background-image: url('/assets/images/coverpic/cover-6.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-visual {
                min-height: 420px;
            }
        }
        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 15, 20, 0.4) 0%, rgba(13, 15, 20, 0.6) 100%);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 12px;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
            border: 1px solid var(--border-light);
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
        }

        /* Cards */
        .card-dark {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            box-shadow: var(--card-dark-shadow);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .card-dark:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: 0 0 0 1px rgba(0, 229, 160, 0.18), 0 12px 32px rgba(0, 0, 0, 0.45);
        }
        .card-light {
            background: var(--bg-tertiary);
            border: 1px solid rgba(0, 0, 0, 0.06);
            border-radius: var(--radius-card);
            box-shadow: var(--card-light-shadow);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .card-light:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: 0 0 0 1px rgba(0, 229, 160, 0.18), 0 12px 28px rgba(0, 0, 0, 0.1);
        }

        /* Section titles */
        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: 0.01em;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        /* Mono numbers */
        .mono-data {
            font-family: var(--font-mono);
            color: var(--accent);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Divider */
        .divider {
            height: 1px;
            background: var(--border-dark);
            border: none;
        }
        .divider-light {
            height: 1px;
            background: rgba(0, 0, 0, 0.08);
            border: none;
        }

        /* Feature list */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            padding: 0.75rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        .feature-item:hover {
            border-color: var(--border-light);
            background: rgba(0, 229, 160, 0.04);
        }
        .feature-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* Data panel */
        .data-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            box-shadow: var(--card-dark-shadow);
            overflow: hidden;
        }
        .data-table-row {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr;
            gap: 0.5rem;
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--border-dark);
            font-size: 14px;
            transition: background 0.2s ease;
        }
        .data-table-row:last-child {
            border-bottom: none;
        }
        .data-table-row:hover {
            background: rgba(0, 229, 160, 0.03);
        }
        .data-table-header {
            background: rgba(255, 255, 255, 0.03);
            font-weight: 600;
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.25s ease;
            background: var(--bg-secondary);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 1.5rem;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.5rem;
        }
        .faq-item.open .faq-question {
            color: var(--accent);
        }
        .faq-toggle-icon {
            font-size: 18px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #141821 0%, #1a202c 100%);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
            padding: 2.5rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand .logo-area {
            margin-bottom: 0.8rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-legal {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-legal a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-legal a:hover {
            color: var(--accent);
        }

        /* Utility */
        .text-accent {
            color: var(--accent);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .font-mono {
            font-family: var(--font-mono);
        }
        .gap-xl {
            gap: 2.5rem;
        }

        /* Irregular grid */
        .irregular-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
        }
        @media (min-width: 768px) {
            .irregular-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .irregular-grid .large-card-1 {
                grid-column: span 2;
            }
            .irregular-grid .large-card-2 {
                grid-column: span 2;
            }
        }
        @media (min-width: 1024px) {
            .irregular-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
            .irregular-grid .large-card-1 {
                grid-column: span 2;
                grid-row: span 1;
            }
            .irregular-grid .large-card-2 {
                grid-column: span 2;
                grid-row: span 1;
            }
        }

        /* Section spacing */
        .section-pad {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 4rem 0;
            }
        }

        /* Image card */
        .img-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-card);
        }
        .img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
            transition: transform 0.4s ease;
        }
        .img-card:hover img {
            transform: scale(1.04);
        }

        /* Timeline */
        .timeline-item {
            display: flex;
            gap: 1.2rem;
            position: relative;
            padding-bottom: 1.8rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 20px;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
        }
        .timeline-item:last-child::before {
            display: none;
        }
        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            margin-top: 6px;
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--border-light);
        }

        @media (max-width: 520px) {
            .data-table-row {
                grid-template-columns: 1fr 1fr;
                font-size: 12px;
                gap: 0.4rem;
            }
            .data-table-header {
                display: none;
            }
            .section-title {
                font-size: 20px;
            }
            .hero-text {
                padding: 1.5rem 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0D0F14;
            --bg-secondary: #141821;
            --bg-tertiary: #F5F6F4;
            --accent: #00E5A0;
            --accent-dim: #0A8F6A;
            --text-primary: #F2F3F0;
            --text-secondary: #8A929F;
            --text-dark: #1A1E26;
            --text-dark-secondary: #4A5260;
            --border-light: rgba(0, 229, 160, 0.18);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-dark-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 8px 24px rgba(0, 0, 0, 0.35);
            --card-light-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 9999px;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", monospace;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: var(--font-sans);
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(13, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            height: 64px;
            display: flex;
            align-items: center;
            transition: background 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(13, 15, 20, 0.96);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .logo-text {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 1.6rem;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--accent);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }
        .search-box {
            display: none;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            padding: 0 0.8rem;
            height: 36px;
            gap: 0.5rem;
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        @media (min-width: 1024px) {
            .search-box {
                display: flex;
                width: 180px;
            }
        }
        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(0, 229, 160, 0.04);
        }
        .search-box svg {
            width: 15px;
            height: 15px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-secondary);
        }
        .btn-primary {
            background: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 13px;
            padding: 0.6rem 1.2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-primary:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 229, 160, 0.2);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            padding: 0.55rem 1.2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-secondary:hover {
            background: rgba(0, 229, 160, 0.08);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }
        .mobile-menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            position: relative;
        }
        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            position: absolute;
            left: 0;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            transition: transform 0.3s ease;
        }
        .mobile-menu-toggle span::before {
            top: -6px;
        }
        .mobile-menu-toggle span::after {
            bottom: -6px;
        }
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 55;
            padding: 1.5rem;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .nav-link {
            font-size: 16px;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-dark);
        }
        .mobile-drawer .nav-link::after {
            display: none;
        }
        .page-hero {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-dark);
            padding: 3.5rem 0 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.06);
            filter: blur(60px);
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (min-width: 1024px) {
            .hero-grid {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }
        .hero-text h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        @media (min-width: 768px) {
            .hero-text h1 {
                font-size: 2.5rem;
            }
        }
        .hero-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.9;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .stat-badge {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1rem 1.4rem;
            min-width: 100px;
            flex: 1;
            max-width: 180px;
        }
        .stat-badge .stat-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-badge .stat-label {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 0.3rem;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            padding: 1.8rem 0 1rem;
        }
        .filter-tag {
            padding: 0.42rem 1.1rem;
            border-radius: var(--radius-badge);
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid var(--border-dark);
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--text-primary);
        }
        .filter-tag.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
        }
        .filter-tag:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .compact-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            padding: 1rem 0 2rem;
        }
        .list-item {
            display: flex;
            flex-direction: column;
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .list-item:hover {
            transform: translateY(-2px);
            border-color: var(--border-light);
            box-shadow: var(--card-dark-shadow);
        }
        @media (min-width: 768px) {
            .list-item {
                flex-direction: row;
                align-items: center;
            }
        }
        .list-item-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .list-item-img {
                width: 200px;
                aspect-ratio: 16/9;
            }
        }
        .list-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-item-body {
            padding: 1rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .list-item-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }
        .list-item-tag {
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-badge);
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(0, 229, 160, 0.08);
            color: var(--accent);
            border: 1px solid var(--border-light);
        }
        .list-item-tag.alt {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border-color: var(--border-dark);
        }
        .list-item-date {
            font-family: var(--font-mono);
            font-size: 0.75rem;
        }
        .list-item-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color 0.25s ease;
        }
        .list-item:hover .list-item-title {
            color: var(--accent);
        }
        .list-item-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-item-action {
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap 0.25s ease, color 0.25s ease;
            cursor: pointer;
        }
        .list-item-action:hover {
            gap: 0.55rem;
            color: var(--accent-dim);
        }
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 0 2rem;
        }
        .page-btn {
            min-width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-dark);
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-family: var(--font-mono);
            cursor: pointer;
            transition: all 0.25s ease;
            padding: 0 0.8rem;
        }
        .page-btn:hover {
            border-color: var(--accent);
            color: var(--text-primary);
        }
        .page-btn.active {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--bg-primary);
            font-weight: 700;
        }
        .page-btn:disabled {
            opacity: 0.35;
            cursor: not-allowed;
            pointer-events: none;
        }
        .page-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .insight-section {
            padding: 3rem 0;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
        }
        .insight-grid {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (min-width: 1024px) {
            .insight-grid {
                flex-direction: row;
                align-items: flex-start;
            }
        }
        .insight-text {
            flex: 1.2;
        }
        .insight-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 1rem;
        }
        .insight-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 1rem;
        }
        .insight-cards {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem;
        }
        .insight-mini-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1rem;
            transition: border-color 0.3s ease;
        }
        .insight-mini-card:hover {
            border-color: var(--border-light);
        }
        .insight-mini-card .mini-num {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
        }
        .insight-mini-card .mini-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 0.3rem;
        }
        .section-heading {
            margin-bottom: 1.5rem;
        }
        .section-heading h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .section-heading p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            line-height: 1.8;
        }
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            padding: 1rem 0;
        }
        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
        }
        .process-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.2rem;
            transition: border-color 0.3s ease;
        }
        .process-card:hover {
            border-color: var(--border-light);
        }
        .process-step {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 0.6rem;
        }
        .process-card h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .process-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-section {
            padding: 3rem 0;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-dark);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            max-width: 820px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            padding: 1rem 1.2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
        }
        .faq-question .faq-icon {
            font-family: var(--font-mono);
            color: var(--accent);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.2rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 2px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 1.2rem 1.2rem;
            border-left-color: var(--accent);
        }
        .cta-section {
            padding: 3.5rem 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
        }
        .cta-box {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 1.5rem    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 1rem;
}
.cta-box p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}
.site-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-dark);
    padding: 2.5rem 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.footer-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .footer-grid {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-links a,
.footer-legal a {
    color: var(--text-secondary);
}
.footer-links a:hover,
.footer-legal a:hover {
    color: var(--accent);
}
.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.75rem;
}