/* roulang page: index */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 100px;
            --section-gap-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .badge-gold {
            background: rgba(212, 165, 116, 0.15);
            color: var(--gold-light);
            border-color: var(--border-gold);
        }

        /* ========== NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom-color: var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            padding-left: 32px;
            padding-right: 32px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: opacity 0.25s ease;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
            background: rgba(212, 165, 116, 0.1);
            border-radius: 8px;
            border: 1px solid var(--border-gold);
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.05em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            padding-bottom: 4px;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 1px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--gold);
        }

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

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

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

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
            border-radius: 30px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 100px 40px 40px;
            flex-direction: column;
            gap: 32px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: color 0.25s ease;
        }

        .mobile-menu a:hover {
            color: var(--gold);
        }

        .mobile-menu a.active {
            color: var(--gold);
        }

        .mobile-menu .btn {
            align-self: flex-start;
            margin-top: 16px;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--bg-primary);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            animation: heroZoom 8s ease-in-out infinite alternate;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.55) 50%, rgba(15, 15, 26, 0.9) 100%);
        }

        @keyframes heroZoom {
            0% { transform: scale(1); }
            100% { transform: scale(1.05); }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            padding: 60px 32px 80px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(212, 165, 116, 0.12);
            color: var(--gold-light);
            border: 1px solid var(--border-gold);
            margin-bottom: 28px;
            animation: fadeUp 0.6s ease-out both;
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            margin-bottom: 24px;
            animation: fadeUp 0.7s ease-out 0.12s both;
        }

        .hero h1 .gold-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 680px;
            margin: 0 auto 36px;
            animation: fadeUp 0.8s ease-out 0.24s both;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeUp 0.9s ease-out 0.36s both;
        }

        .hero-metrics {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 48px;
            animation: fadeUp 1s ease-out 0.48s both;
        }

        .hero-metric {
            text-align: center;
        }

        .hero-metric .metric-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.02em;
        }

        .hero-metric .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            text-align: center;
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--purple), var(--gold)) 1;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .stat-number {
            font-family: var(--font-mono);
            font-size: 48px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        /* ========== SERVICES ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s ease;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .service-card.wide {
            grid-column: span 2;
        }

        .service-card .card-img {
            height: 180px;
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 20px;
            background: var(--bg-card-alt);
        }

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

        .service-card:hover .card-img img {
            transform: scale(1.05);
        }

        .service-card .card-icon {
            font-size: 28px;
            color: var(--purple-light);
            margin-bottom: 12px;
        }

        .service-card h3 {
            font-size: 21px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            transition: color 0.25s ease;
        }

        .service-card:hover h3 {
            color: var(--gold);
        }

        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 48px 52px;
            border-left: 4px solid var(--gold);
            box-shadow: var(--shadow-card);
        }

        .brand-intro-block p {
            font-size: 17px;
            line-height: 2.0;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .brand-intro-block p:last-child {
            margin-bottom: 0;
        }

        /* ========== COMPARE ========== */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .compare-side {
            border-radius: var(--radius-card);
            padding: 36px 32px;
        }

        .compare-side.old {
            background: var(--bg-card-alt);
            border: 1px solid var(--border);
        }

        .compare-side.old h3 {
            color: var(--text-secondary);
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 24px;
        }

        .compare-side.new {
            background: rgba(212, 165, 116, 0.08);
            border: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .compare-side.new::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-gradient);
        }

        .compare-side.new h3 {
            color: var(--gold-light);
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 24px;
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            line-height: 1.7;
        }

        .compare-side.old .compare-list li {
            color: var(--text-secondary);
        }

        .compare-side.old .compare-list li .icon {
            color: var(--text-muted);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-side.new .compare-list li {
            color: var(--text-primary);
        }

        .compare-side.new .compare-list li .icon {
            color: var(--gold);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--purple-light);
            letter-spacing: 0.1em;
            padding: 0 8px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 48px 52px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }

        .deep-content .content-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 28px;
        }

        .deep-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 650;
            color: var(--text-primary);
            margin-top: 32px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            padding-left: 16px;
            border-left: 3px solid var(--gold);
        }

        .deep-content p {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-primary);
            margin-bottom: 16px;
            text-align: justify;
        }

        .deep-content ul {
            margin: 16px 0;
            padding-left: 24px;
            list-style: disc;
        }

        .deep-content ul li {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .deep-content blockquote {
            border-left: 4px solid var(--gold);
            padding: 16px 20px;
            background: rgba(212, 165, 116, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            font-style: italic;
        }

        .deep-content .highlight-num {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--gold);
            display: inline-block;
            margin: 8px 0;
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 28px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background 0.25s ease;
        }

        .news-item:first-child {
            padding-top: 0;
        }

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

        .news-item:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .news-date {
            flex-shrink: 0;
            width: 80px;
            text-align: center;
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 6px 0;
            background: rgba(212, 165, 116, 0.08);
            border-radius: var(--radius-sm);
            height: fit-content;
        }

        .news-body {
            flex: 1;
        }

        .news-body h3 {
            font-size: 18px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
            transition: color 0.25s ease;
        }

        .news-item:hover .news-body h3 {
            color: var(--gold);
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        /* ========== HOT LIST ========== */
        .hot-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .hot-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .hot-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .hot-rank {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--purple-light);
            flex-shrink: 0;
            line-height: 1;
            margin-top: 4px;
        }

        .hot-rank.top1 {
            color: var(--gold);
        }

        .hot-info h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .hot-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .hot-info .btn-link {
            font-size: 13px;
        }

        /* ========== FAQ ========== */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            gap: 16px;
            transition: color 0.25s ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-item.open .faq-question {
            color: var(--gold);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 22px;
            color: var(--gold);
            transition: transform 0.3s ease;
            line-height: 1;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
            opacity: 0;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== FORM ========== */
        .form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .form-info h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .form-info p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .form-info .trust-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .form-info .trust-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .form-info .trust-list li .icon {
            color: var(--success);
            flex-shrink: 0;
        }

        .form-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 36px;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23A8A3B8' viewBox='0 0 12 8'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }

        .form-submit {
            width: 100%;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            background: var(--gold-gradient);
            color: #0F0F1A;
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .form-submit:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .form-submit:active {
            transform: scale(0.98);
        }

        .form-submit:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .form-success {
            text-align: center;
            padding: 40px 20px;
            display: none;
        }

        .form-success.show {
            display: block;
        }

        .form-success .icon {
            font-size: 48px;
            color: var(--success);
            margin-bottom: 16px;
        }

        .form-success h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .form-success p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(212, 165, 116, 0.2);
            padding-top: 64px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s ease;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
        }

        .footer-subscribe button {
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 13px;
            white-space: nowrap;
            transition: all 0.3s ease;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }

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

        .footer-bottom a:hover {
            color: var(--gold);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.wide {
                grid-column: span 1;
            }
            .form-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .compare-wrapper {
                grid-template-columns: 1fr;
            }
            .compare-vs {
                padding: 8px 0;
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hot-list-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 64px;
            }

            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }

            .hero h1 {
                font-size: 36px;
            }
            .hero-content {
                padding: 40px 20px 60px;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card.wide {
                grid-column: span 1;
            }

            .brand-intro-block {
                padding: 32px 24px;
            }

            .deep-content {
                padding: 32px 24px;
            }
            .deep-content .content-img {
                height: 200px;
            }
            .deep-content h2 {
                font-size: 24px;
            }
            .deep-content h3 {
                font-size: 19px;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date {
                width: fit-content;
                padding: 4px 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .section-title {
                font-size: 26px;
                padding-left: 16px;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .nav-container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .stat-number {
                font-size: 36px;
            }
            .stat-card {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 300px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .form-card {
                padding: 24px 18px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .badge-gold {
            background: rgba(212, 165, 116, 0.12);
            color: var(--gold-light);
            border-color: var(--border-gold);
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background 0.35s ease, box-shadow 0.35s ease;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            transition: opacity 0.25s ease;
        }

        .nav-logo:hover {
            opacity: 0.85;
        }

        .nav-logo-icon {
            font-size: 28px;
            line-height: 1;
            display: block;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            text-decoration: none;
            padding: 4px 0;
            position: relative;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 100%;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
            transition: right 0.3s ease;
            box-shadow: 0 0 8px rgba(212, 165, 116, 0.5);
        }

        .nav-links a:hover {
            color: var(--gold);
        }

        .nav-links a:hover::after {
            right: 0;
        }

        .nav-links a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .nav-links a.active::after {
            right: 0;
            box-shadow: 0 0 12px rgba(124, 58, 237, 0.6), 0 0 6px rgba(212, 165, 116, 0.4);
            background: linear-gradient(90deg, var(--gold), var(--purple-light));
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 1101;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 420px;
            height: 100vh;
            background: var(--bg-primary);
            z-index: 1100;
            padding: 100px 40px 40px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            border-left: 1px solid var(--border);
        }

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

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .mobile-drawer nav a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            text-decoration: none;
            padding: 8px 0;
            transition: color 0.25s ease;
        }

        .mobile-drawer nav a:hover {
            color: var(--gold);
        }

        .mobile-drawer nav a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1099;
            opacity: 0;
            transition: opacity 0.35s ease;
        }

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

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 60px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.6) 50%, rgba(15, 15, 26, 0.92) 100%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .category-hero h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 760px;
            margin-bottom: 0;
        }

        /* ========== Feature Strip ========== */
        .feature-strip {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 32px 0;
        }

        .feature-strip .container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            flex: 1;
            min-width: 220px;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            border: 1px solid rgba(124, 58, 237, 0.25);
        }

        .feature-item h3 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== Guide List ========== */
        .guide-list-section {
            background: var(--bg-primary);
        }

        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .guide-card {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
        }

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

        .guide-card-image {
            flex-shrink: 0;
            width: 240px;
            height: 160px;
            overflow: hidden;
            border-radius: var(--radius-sm);
        }

        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
            border-radius: var(--radius-sm);
        }

        .guide-card:hover .guide-card-image img {
            transform: scale(1.05);
        }

        .guide-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .guide-card-date {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--gold);
            font-weight: 600;
        }

        .guide-card-title {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .guide-card:hover .guide-card-title {
            color: var(--gold);
        }

        .guide-card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

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

        /* ========== Sidebar ========== */
        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 36px;
            align-items: start;
        }

        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-left: 12px;
            border-left: 3px solid var(--gold);
        }

        .sidebar-card ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-card ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 6px 0;
            transition: color 0.25s ease;
        }

        .sidebar-card ul li a:hover {
            color: var(--gold);
        }

        .sidebar-card ul li a .count {
            font-family: var(--font-mono);
            font-size: 12px;
            background: rgba(212, 165, 116, 0.12);
            padding: 2px 10px;
            border-radius: 20px;
            color: var(--gold);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            border-radius: 20px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

        .tag-cloud a:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.08);
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .pagination button,
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-mono);
            color: var(--text-secondary);
            text-decoration: none;
            border: 1px solid var(--border);
            background: var(--bg-card);
            transition: all 0.25s ease;
            padding: 0 12px;
        }

        .pagination button:hover,
        .pagination a:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.06);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: var(--gold);
            font-weight: 700;
        }

        .pagination .disabled {
            opacity: 0.35;
            pointer-events: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-card-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

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

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 650;
            font-size: 16px;
            color: var(--text-primary);
            user-select: none;
            transition: color 0.25s ease;
        }

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

        .faq-item.open .faq-question {
            color: var(--gold);
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            transition: transform 0.35s ease;
            border: 1px solid var(--border-gold);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: rgba(212, 165, 116, 0.12);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-primary);
        }

        .cta-panel {
            background: linear-gradient(135deg, #1E1E2E 0%, #2A1A38 50%, #1E1E2E 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-panel-content {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-panel-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-panel-content p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-footer);
            padding-top: 56px;
            border-top: 1px solid rgba(212, 165, 116, 0.25);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border);
        }

        .footer-col .nav-logo-text {
            font-size: 18px;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }

        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            min-width: 0;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .footer-subscribe input::placeholder {
            color: var(--text-muted);
        }

        .footer-subscribe button {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 14px;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }

        .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .footer-bottom p {
            font-size: 13px;
            margin-bottom: 4px;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--gold);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .guide-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card-image {
                width: 100%;
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .section-title {
                font-size: 26px;
                padding-left: 16px;
            }
            .category-hero {
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 40px;
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 16px;
            }
            .feature-strip .container {
                gap: 18px;
            }
            .feature-item {
                min-width: 160px;
            }
            .guide-card {
                padding: 18px;
                gap: 16px;
            }
            .guide-card-image {
                height: 170px;
            }
            .guide-card-title {
                font-size: 17px;
            }
            .cta-panel {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-panel-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                padding: 18px 0;
            }
            .footer-subscribe {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .feature-item {
                min-width: 100%;
            }
            .guide-card-title {
                font-size: 16px;
            }
            .pagination button,
            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
                padding: 0 8px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .section-title {
                font-size: 22px;
            }
        }

        /* ========== Animations ========== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .fade-up-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-up-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-up-delay-3 {
            animation-delay: 0.3s;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --purple-dark: #5B21B6;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
            line-height: 1.6;
        }

        .badge-gold {
            background: rgba(212, 165, 116, 0.12);
            color: var(--gold);
            border: 1px solid rgba(212, 165, 116, 0.3);
        }

        .badge-green {
            background: rgba(61, 220, 151, 0.12);
            color: var(--success);
            border: 1px solid rgba(61, 220, 151, 0.3);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 32px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity 0.25s ease;
        }

        .nav-logo:hover {
            color: var(--text-primary);
            opacity: 0.85;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
        }

        .nav-logo-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            padding: 4px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 1px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--gold);
        }

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

        .nav-links a.active {
            color: var(--gold);
            font-weight: 700;
        }

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

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-cta .btn {
            padding: 10px 24px;
            font-size: 15px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all 0.3s ease;
        }

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

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 998;
            background: rgba(15, 15, 26, 0.6);
            backdrop-filter: blur(4px);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.open {
            opacity: 1;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding-top: calc(var(--nav-height) + 64px);
            padding-bottom: 80px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.75) 40%, rgba(15, 15, 26, 0.92) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-gradient);
            z-index: 2;
        }

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

        .category-hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .category-hero-text {
            flex: 1 1 55%;
            min-width: 300px;
        }

        .category-hero-text h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 20px;
            animation: fadeUp 0.7s ease forwards;
            opacity: 0;
        }

        .category-hero-text h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            animation: fadeUp 0.7s ease 0.15s forwards;
            opacity: 0;
        }

        .category-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            animation: fadeUp 0.7s ease 0.3s forwards;
            opacity: 0;
        }

        .category-hero-visual {
            flex: 1 1 35%;
            min-width: 280px;
            display: flex;
            justify-content: center;
            align-items: center;
            animation: fadeUp 0.7s ease 0.2s forwards;
            opacity: 0;
        }

        .score-ring-wrap {
            position: relative;
            width: 220px;
            height: 220px;
        }

        .score-ring {
            position: relative;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: conic-gradient(var(--gold) 0deg, var(--gold) 324deg, rgba(255,255,255,0.08) 324deg, rgba(255,255,255,0.08) 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 40px rgba(212, 165, 116, 0.3), inset 0 0 20px rgba(0,0,0,0.4);
            animation: ringPulse 3s ease-in-out infinite;
        }

        .score-ring-inner {
            position: absolute;
            inset: 16px;
            background: var(--bg-card);
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-gold);
        }

        .score-ring-value {
            font-family: var(--font-mono);
            font-size: 56px;
            font-weight: 600;
            color: var(--gold);
            line-height: 1.1;
        }

        .score-ring-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
        }

        .score-ring-detail {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @keyframes ringPulse {
            0%, 100% { box-shadow: 0 0 40px rgba(212, 165, 116, 0.3), inset 0 0 20px rgba(0,0,0,0.4); }
            50% { box-shadow: 0 0 60px rgba(212, 165, 116, 0.5), inset 0 0 25px rgba(0,0,0,0.5); }
        }

        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            flex-wrap: wrap;
            animation: fadeUp 0.7s ease 0.4s forwards;
            opacity: 0;
        }

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

        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 600;
            color: var(--gold);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== Service Matrix / Features ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card.col-span-3 {
            grid-column: span 3;
        }

        .feature-card.col-span-4 {
            grid-column: span 4;
        }

        .feature-card.col-span-5 {
            grid-column: span 5;
        }

        .feature-card.col-span-6 {
            grid-column: span 6;
        }

        .feature-card.col-span-7 {
            grid-column: span 7;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--purple-light);
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            background: rgba(124, 58, 237, 0.25);
            border-color: var(--purple-light);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: var(--bg-card-alt);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }

        .deep-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
            letter-spacing: 0.01em;
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--gold);
            margin-bottom: 12px;
            margin-top: 32px;
            letter-spacing: 0.01em;
        }

        .deep-content h3:first-of-type {
            margin-top: 0;
        }

        .deep-content p {
            font-size: 16px;
            color: var(--text-primary);
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }

        .deep-content blockquote {
            border-left: 4px solid var(--gold);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(212, 165, 116, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 16px;
            color: var(--text-secondary);
            font-style: italic;
        }

        .deep-content ul {
            padding-left: 24px;
            margin-bottom: 16px;
        }

        .deep-content ul li {
            position: relative;
            padding-left: 20px;
            font-size: 16px;
            color: var(--text-primary);
            line-height: 1.9;
            margin-bottom: 8px;
        }

        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold-gradient);
        }

        .deep-content .highlight-num {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--gold);
            display: inline-block;
            margin: 8px 0;
            line-height: 1.2;
        }

        /* ========== Review Showcase ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .review-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

        .review-card:hover .review-card-img img {
            transform: scale(1.05);
        }

        .review-card-score {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }

        .review-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .review-card-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
        }

        .review-card-body h3 {
            font-size: 19px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .review-card-body h3 a {
            color: var(--text-primary);
            transition: color 0.25s ease;
        }

        .review-card-body h3 a:hover {
            color: var(--gold);
        }

        .review-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .review-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .review-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .review-card-tags .badge {
            font-size: 11px;
            padding: 3px 10px;
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 6px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all 0.3s ease;
            cursor: pointer;
            user-select: none;
        }

        .pagination a:hover {
            border-color: var(--border-gold);
            color: var(--gold);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
            font-weight: 700;
        }

        .pagination .dots {
            border-color: transparent;
            background: transparent;
        }

        .pagination .disabled {
            opacity: 0.35;
            pointer-events: none;
        }

        /* ========== Process ========== */
        .process-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .process-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            transition: all 0.35s ease;
        }

        .process-item:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .process-step-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .process-step-title {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .process-step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            transition: border-color 0.3s ease;
            overflow: hidden;
        }

        .faq-item.active {
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 650;
            font-size: 16px;
            color: var(--text-primary);
            transition: color 0.3s ease;
            text-align: left;
            width: 100%;
        }

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

        .faq-item.active .faq-question {
            color: var(--gold);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: rgba(212, 165, 116, 0.04);
            border-radius: 8px;
            padding: 16px 20px;
        }

        /* ========== CTA Bar ========== */
        .cta-bar {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-gold);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-gradient);
        }

        .cta-bar-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-bar-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-footer);
            padding: 60px 0 0;
            margin-top: 0;
            border-top: 1px solid rgba(212, 165, 116, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-top: 12px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 0;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .footer-subscribe input::placeholder {
            color: var(--text-muted);
        }

        .footer-subscribe button {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            line-height: 1.7;
        }

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

        .footer-bottom a:hover {
            color: var(--gold);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .category-hero-text h1 {
                font-size: 40px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .feature-card.col-span-3,
            .feature-card.col-span-4,
            .feature-card.col-span-5,
            .feature-card.col-span-6,
            .feature-card.col-span-7 {
                grid-column: span 6;
            }

            .deep-content {
                padding: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 60px;
            }

            .header-inner {
                height: 60px;
                gap: 16px;
            }

            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-overlay {
                display: block;
                pointer-events: none;
            }

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

            .mobile-drawer {
                display: block;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 999;
                background: #0F0F1A;
                padding: 32px;
                transform: translateY(-100%);
                transition: transform 0.35s ease;
                overflow-y: auto;
            }

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

            .mobile-drawer a {
                display: block;
                padding: 18px 0;
                font-size: 18px;
                font-weight: 600;
                color: var(--text-primary);
                border-bottom: 1px solid var(--border);
                transition: color 0.25s ease;
            }

            .mobile-drawer a:hover,
            .mobile-drawer a.active {
                color: var(--gold);
            }

            .mobile-drawer .btn {
                margin-top: 24px;
                width: 100%;
            }

            .category-hero {
                padding-top: calc(60px + 40px);
                padding-bottom: 56px;
            }

            .category-hero-content {
                flex-direction: column;
                gap: 32px;
            }

            .category-hero-text h1 {
                font-size: 32px;
            }

            .category-hero-desc {
                font-size: 16px;
            }

            .score-ring-wrap {
                width: 160px;
                height: 160px;
            }

            .score-ring-value {
                font-size: 40px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-value {
                font-size: 24px;
            }

            .section-title {
                font-size: 28px;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .process-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .feature-card.col-span-3,
            .feature-card.col-span-4,
            .feature-card.col-span-5,
            .feature-card.col-span-6,
            .feature-card.col-span-7 {
                grid-column: span 12;
            }

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

            .deep-content h2 {
                font-size: 22px;
            }

            .cta-bar {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
            }

            .cta-bar-actions {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .category-hero-text h1 {
                font-size: 26px;
            }

            .score-ring-wrap {
                width: 130px;
                height: 130px;
            }

            .score-ring-value {
                font-size: 32px;
            }

            .score-ring-label {
                font-size: 12px;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat-value {
                font-size: 20px;
            }

            .process-list {
                grid-template-columns: 1fr;
            }

            .features-grid {
                gap: 16px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 15px;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }

            .faq-answer p {
                font-size: 14px;
                padding: 12px 16px;
            }
        }

        @media (min-width: 769px) {
            .mobile-drawer,
            .mobile-overlay {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 80px;
            --section-gap-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .badge-gold {
            background: rgba(212, 165, 116, 0.15);
            color: var(--gold);
            border: 1px solid rgba(212, 165, 116, 0.3);
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: opacity 0.25s ease;
        }

        .nav-logo:hover {
            color: var(--text-primary);
            opacity: 0.85;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--text-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            position: relative;
            padding: 6px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--gold);
        }

        .nav-links a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(212, 165, 116, 0.5);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-cta .btn {
            padding: 10px 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .nav-toggle span {
            width: 26px;
            height: 3px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
            display: block;
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding-top: calc(var(--nav-height) + 64px);
            padding-bottom: 64px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.7) 50%, rgba(15, 15, 26, 0.95) 100%);
            z-index: 1;
        }

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

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .category-hero h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 720px;
            margin-bottom: 28px;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .category-hero .hero-meta .meta-item {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-hero .hero-meta .meta-item .icon {
            color: var(--gold);
            font-size: 16px;
        }

        /* Category Main Layout */
        .category-main {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding-top: 48px;
            padding-bottom: var(--section-gap);
        }

        .category-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .post-card {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .post-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(212, 165, 116, 0.25);
        }

        .post-card-img {
            width: 220px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-card-alt);
        }

        .post-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.4s ease;
        }

        .post-card:hover .post-card-img img {
            transform: scale(1.05);
        }

        .post-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .post-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .post-card-meta .date {
            font-family: var(--font-mono);
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .post-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .post-card-title a {
            color: var(--text-primary);
        }

        .post-card-title a:hover {
            color: var(--gold);
        }

        .post-card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }

        .post-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
        }

        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
            padding-left: 16px;
        }

        .sidebar-widget h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .sidebar-tags a {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

        .sidebar-tags a:hover {
            color: var(--gold);
            border-color: var(--gold);
            background: rgba(212, 165, 116, 0.08);
        }

        .sidebar-hot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-hot-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            transition: color 0.25s ease;
        }

        .sidebar-hot-list li a:hover {
            color: var(--gold);
        }

        .sidebar-hot-list .hot-num {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 18px;
            color: var(--gold);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .sidebar-subscribe {
            background: linear-gradient(135deg, rgba(212, 165, 116, 0.08), rgba(124, 58, 237, 0.06));
            border: 1px solid var(--border-gold);
        }

        .sidebar-subscribe p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .sidebar-subscribe input {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            margin-bottom: 12px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            outline: none;
        }

        .sidebar-subscribe input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .sidebar-subscribe .btn {
            width: 100%;
            padding: 12px 20px;
            font-size: 14px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 10px;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }

        .pagination a:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.08);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
            font-weight: 800;
        }

        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* CTA Strip */
        .cta-strip {
            background: linear-gradient(135deg, rgba(212, 165, 116, 0.08), rgba(124, 58, 237, 0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .cta-strip-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-strip-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            padding-top: 64px;
            padding-bottom: 32px;
            border-top: 1px solid rgba(212, 165, 116, 0.2);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .footer-subscribe {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 13px;
            outline: none;
            transition: border-color 0.25s ease;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
        }

        .footer-subscribe button {
            padding: 10px 20px;
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

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

        .footer-bottom a:hover {
            color: var(--gold);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border);
        }

        /* Mobile Navigation Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            inset: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 100px 32px 40px;
            flex-direction: column;
            gap: 24px;
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: color 0.25s ease;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--gold);
        }

        .mobile-drawer .btn-primary {
            margin-top: 12px;
            justify-content: center;
            font-size: 16px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                order: 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-container {
                gap: 16px;
                padding: 0 20px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .section-title {
                font-size: 28px;
            }
            .category-hero {
                padding-top: calc(var(--nav-height-mobile) + 48px);
                padding-bottom: 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 16px;
            }
            .post-card {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .post-card-img {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .post-card-title {
                font-size: 18px;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
                padding: 0 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
                line-height: 1.4;
            }
            .post-card {
                padding: 16px;
                border-radius: 16px;
            }
            .post-card-meta {
                font-size: 12px;
                gap: 10px;
            }
            .post-card-title {
                font-size: 16px;
            }
            .post-card-excerpt {
                font-size: 14px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .section-title {
                font-size: 24px;
                padding-left: 14px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }
            .footer-bottom {
                gap: 6px;
            }
            .footer-bottom p {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 100px;
            --section-gap-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
            white-space: nowrap;
        }

        .badge-gold {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(212, 165, 116, 0.12);
            color: var(--gold);
            border: 1px solid rgba(212, 165, 116, 0.3);
            white-space: nowrap;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
            transition: opacity 0.3s ease;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .nav-logo-icon {
            font-size: 28px;
            line-height: 1;
        }

        .nav-logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.03em;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            position: relative;
            padding: 8px 2px;
            transition: color 0.25s ease, font-weight 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--gold);
            font-weight: 600;
        }

        .nav-links a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 3px;
            border-radius: 2px;
            background: var(--gold-gradient);
            box-shadow: 0 0 8px rgba(124, 58, 237, 0.6);
        }

        .nav-cta {
            flex-shrink: 0;
            padding: 10px 24px;
            font-size: 15px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            padding: 6px;
            z-index: 1002;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: all 0.35s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(8.5px) rotate(45deg);
            background: var(--gold);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-8.5px) rotate(-45deg);
            background: var(--gold);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: rgba(15, 15, 26, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 1001;
            transition: right 0.4s ease;
            display: flex;
            flex-direction: column;
            padding: 100px 32px 40px;
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            color: var(--text-primary);
            font-size: 22px;
            font-weight: 600;
            padding: 16px 0;
            text-decoration: none;
            border-bottom: 1px solid var(--border);
            transition: color 0.25s ease;
        }

        .mobile-drawer a:hover {
            color: var(--gold);
        }

        .mobile-drawer a.active {
            color: var(--gold);
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 420px;
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 60px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.94), rgba(15, 15, 26, 0.72) 45%, rgba(15, 15, 26, 0.55));
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--gold);
            font-weight: 700;
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 52px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.25;
        }

        .category-hero h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--gold);
        }

        .category-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 680px;
        }

        .category-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .category-hero .hero-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            display: inline-block;
        }

        /* Content Layout */
        .category-main {
            padding: 60px 0 40px;
        }

        .category-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        /* Article List */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .article-card {
            display: grid;
            grid-template-columns: 240px 1fr;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .article-card-image {
            position: relative;
            overflow: hidden;
            background: var(--bg-card-alt);
            min-height: 180px;
        }

        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.45s ease;
        }

        .article-card:hover .article-card-image img {
            transform: scale(1.05);
        }

        .article-card-image .article-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .article-card-body {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-card-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .article-card:hover .article-card-body h3 {
            color: var(--gold);
        }

        .article-card-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-bottom: 14px;
        }

        .article-card-meta .date {
            color: var(--gold);
            font-weight: 600;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--gold-gradient);
            display: inline-block;
        }

        .sidebar-popular-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-popular-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            line-height: 1.6;
            transition: color 0.25s ease;
        }

        .sidebar-popular-list li a:hover {
            color: var(--gold);
        }

        .sidebar-popular-list li a .rank {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--gold);
            font-size: 16px;
            flex-shrink: 0;
            line-height: 1.4;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .tag-cloud a:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--border-gold);
            color: var(--gold);
        }

        .sidebar-subscribe {
            text-align: center;
        }

        .sidebar-subscribe p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .sidebar-subscribe .btn {
            width: 100%;
            font-size: 14px;
            padding: 12px 24px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .pagination a:hover {
            border-color: var(--border-gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.06);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
            font-weight: 700;
        }

        .pagination .disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* CTA Banner */
        .cta-banner {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-gold);
            padding: 48px 56px;
            margin: 60px 0 0;
            overflow: hidden;
            background-image: linear-gradient(135deg, rgba(212, 165, 116, 0.06), rgba(124, 58, 237, 0.04));
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.08);
            pointer-events: none;
        }

        .cta-banner-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-banner-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-banner-text p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            padding: 60px 0 30px;
            margin-top: 60px;
            border-top: 1px solid rgba(212, 165, 116, 0.3);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .footer-subscribe button {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card {
                flex: 1 1 300px;
            }

            .article-card {
                grid-template-columns: 200px 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

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

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-inner {
                padding: 0 20px;
                height: var(--nav-height-mobile);
            }

            .site-header {
                height: var(--nav-height-mobile);
            }

            .category-hero {
                min-height: 360px;
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 40px;
            }

            .category-hero h1 {
                font-size: 36px;
            }

            .category-hero p {
                font-size: 16px;
            }

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

            .article-card-image {
                min-height: 200px;
                max-height: 240px;
            }

            .article-card-body {
                padding: 22px 24px;
            }

            .section-title {
                font-size: 28px;
            }

            .cta-banner {
                padding: 32px 28px;
            }

            .cta-banner-content {
                flex-direction: column;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 30px;
            }

            .category-hero p {
                font-size: 15px;
            }

            .article-card-body h3 {
                font-size: 18px;
            }

            .article-card-body p {
                font-size: 14px;
            }

            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .cta-banner {
                padding: 24px 18px;
            }

            .cta-banner-text h3 {
                font-size: 22px;
            }
        }

.site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background 0.3s ease, box-shadow 0.3s ease;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }

        .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            font-size: 28px;
            line-height: 1;
        }

        .nav-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo:hover .nav-logo-text {
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            text-decoration: none;
            padding: 8px 0;
            position: relative;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--gold);
            font-weight: 600;
        }

        .nav-links a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(124, 58, 237, 0.5);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border);
            transition: border-color 0.25s ease;
        }

        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            display: flex;
            flex-direction: column;
            padding: 32px 24px;
            gap: 24px;
            transform: translateX(100%);
            transition: transform 0.35s ease;
            border-top: 1px solid var(--border);
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            font-size: 18px;
            font-weight: 500;
            color: var(--text-primary);
            text-decoration: none;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: color 0.25s ease;
        }

        .mobile-drawer a:hover {
            color: var(--gold);
        }

        .mobile-drawer a.active {
            color: var(--gold);
            font-weight: 700;
        }

        .category-hero {
            position: relative;
            min-height: 420px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 60px;
            color: var(--text-primary);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,15,26,0.92) 0%, rgba(15,15,26,0.72) 45%, rgba(15,15,26,0.55) 100%);
            z-index: 1;
        }

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

        .article-card-image img {
            min-height: 180px;
            object-fit: cover;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }

        .article-card-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--gold);
            display: inline-block;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .pagination a:hover {
            border-color: var(--border-gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.06);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
            font-weight: 700;
        }

        .pagination .disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        .cta-banner {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-gold);
            padding: 48px 56px;
            margin: 60px 0 0;
            overflow: hidden;
            background-image: linear-gradient(135deg, rgba(212, 165, 116, 0.06), rgba(124, 58, 237, 0.04));
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.08);
            pointer-events: none;
        }

        .cta-banner-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .footer-subscribe button {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: var(--border);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--gold);
        }

        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1 1 300px;
            }
            .article-card {
                grid-template-columns: 200px 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-inner {
                padding: 0 20px;
                height: var(--nav-height-mobile);
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .category-hero {
                min-height: 360px;
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 40px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .category-hero p {
                font-size: 16px;
            }
            .article-card {
                grid-template-columns: 1fr;
            }
            .article-card-image {
                min-height: 200px;
                max-height: 240px;
            }
            .article-card-body {
                padding: 22px 24px;
            }
            .section-title {
                font-size: 28px;
            }
            .cta-banner {
                padding: 32px 28px;
            }
            .cta-banner-content {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .article-card-body h3 {
                font-size: 18px;
            }
            .article-card-body p {
                font-size: 14px;
            }
            .pagination a,
            .pagination span {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .cta-banner {
                padding: 24px 18px;
            }
            .cta-banner-text h3 {
                font-size: 22px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
            height: var(--nav-height);
        }
        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.97);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 32px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            transition: opacity 0.3s ease;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--gold-gradient);
            border-radius: 10px;
            font-size: 18px;
            color: #0F0F1A;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            transition: color 0.25s ease;
            text-decoration: none;
        }
        .nav-links a:hover {
            color: var(--gold);
        }
        .nav-links a.active {
            color: var(--gold);
            font-weight: 650;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1002;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 1001;
            padding: 80px 32px 32px;
            flex-direction: column;
            gap: 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--gold);
        }

        /* ===== 面包屑 + Hero ===== */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding-top: calc(var(--nav-height) + 56px);
            padding-bottom: 64px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92) 0%, rgba(15, 15, 26, 0.75) 50%, rgba(15, 15, 26, 0.5) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 14px;
        }
        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .page-hero h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 720px;
        }

        /* ===== 主内容区布局 ===== */
        .main-content {
            padding-top: 48px;
            padding-bottom: 64px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        /* ===== 下载列表 ===== */
        .download-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .download-card {
            display: flex;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
            gap: 0;
        }
        .download-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }
        .download-card .card-cover {
            flex-shrink: 0;
            width: 240px;
            min-height: 100%;
            position: relative;
            overflow: hidden;
        }
        .download-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .download-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .download-card .card-body {
            flex: 1;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
        }
        .card-body .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
            width: fit-content;
        }
        .card-body h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.4;
            margin: 0;
        }
        .card-body .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .card-body .card-meta .date {
            color: var(--gold);
        }
        .card-body .btn-link {
            margin-top: 4px;
            font-size: 14px;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-widget h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--gold-gradient);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-widget ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.25s ease;
        }
        .sidebar-widget ul li a:hover {
            color: var(--gold);
        }
        .sidebar-widget ul li a .rank {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 14px;
            color: var(--gold);
            min-width: 20px;
            text-align: center;
        }
        .steps-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            counter-reset: step;
        }
        .steps-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            counter-increment: step;
        }
        .steps-list li::before {
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 800;
            font-size: 13px;
            border-radius: 50%;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .sidebar-subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-subscribe-form input {
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            outline: none;
        }
        .sidebar-subscribe-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }
        .sidebar-subscribe-form button {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
        }
        .sidebar-subscribe-form button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        /* ===== 分页器 ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 10px;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .pagination a {
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }
        .pagination a:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 165, 116, 0.08);
        }
        .pagination span.current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-muted);
        }

        /* ===== 转化引导条 ===== */
        .cta-strip {
            background: linear-gradient(135deg, rgba(212, 165, 116, 0.12), rgba(124, 58, 237, 0.1));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-strip .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .cta-strip .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
        }
        .cta-strip .btn {
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }
        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 20px;
        }
        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
            text-decoration: none;
        }
        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 16px;
            line-height: 1;
        }
        .btn-link:hover {
            color: var(--gold-light);
        }
        .btn-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(212, 165, 116, 0.2);
            padding-top: 48px;
            padding-bottom: 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 8px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 13px;
            outline: none;
            transition: border-color 0.3s ease;
            min-width: 0;
        }
        .footer-subscribe input:focus {
            border-color: var(--gold);
        }
        .footer-subscribe button {
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 13px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-bottom p {
            margin: 0;
            line-height: 1.6;
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }
        .footer-bottom .sep {
            margin: 0 6px;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-widget {
                flex: 1;
                min-width: 250px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .download-card {
                flex-direction: column;
            }
            .download-card .card-cover {
                width: 100%;
                height: 180px;
            }
            .download-card .card-body {
                padding: 18px 20px;
            }
            .sidebar {
                flex-direction: column;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero {
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 40px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .download-card .card-body h3 {
                font-size: 17px;
            }
            .card-body .card-desc {
                font-size: 14px;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
            .cta-strip .cta-text h3 {
                font-size: 18px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0F0F1A;
            --bg-card: #1E1E2E;
            --bg-card-alt: #1A1A28;
            --bg-footer: #0A0A14;
            --bg-input: #141420;
            --gold: #D4A574;
            --gold-light: #E8C49A;
            --gold-dark: #B8895A;
            --gold-gradient: linear-gradient(135deg, #D4A574, #B8895A);
            --purple: #7C3AED;
            --purple-light: #9B6BF5;
            --text-primary: #F5F3EE;
            --text-secondary: #A8A3B8;
            --text-muted: #7A7590;
            --success: #3DDC97;
            --danger: #E040FB;
            --border: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(212, 165, 116, 0.35);
            --radius-card: 20px;
            --radius-sm: 12px;
            --radius-btn: 30px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 8px 24px rgba(212, 165, 116, 0.4);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --container-max: 1200px;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--gold-gradient);
            color: #0F0F1A;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #E0B88A, #C99A6E);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            padding: 12px 28px;
        }

        .btn-outline:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-link {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            transition: color 0.25s ease;
        }

        .btn-link .arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            line-height: 1;
        }

        .btn-link:hover {
            color: var(--gold-light);
        }

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

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(124, 58, 237, 0.15);
            color: var(--purple-light);
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .badge-gold {
            background: rgba(212, 165, 116, 0.12);
            color: var(--gold);
            border-color: rgba(212, 165, 116, 0.3);
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.96);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            transition: opacity 0.25s ease;
            white-space: nowrap;
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gold-gradient);
            border-radius: 10px;
            font-size: 20px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--gold);
        }

        .nav-links a.active {
            color: var(--gold);
            font-weight: 650;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 1px;
            box-shadow: 0 0 12px rgba(212, 165, 116, 0.5);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--gold-gradient);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #0F0F1A;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: #0F0F1A;
            z-index: 999;
            padding: 80px 32px 40px;
            flex-direction: column;
            gap: 24px;
            transform: translateX(100%);
            transition: transform 0.35s ease;
        }

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

        .mobile-drawer a {
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.25s ease;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--gold);
        }

        .mobile-drawer .nav-cta {
            margin-top: 16px;
            justify-content: center;
            font-size: 16px;
            padding: 14px 28px;
        }

        @media (max-width: 960px) {
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
        }

        @media (min-width: 961px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        /* ===== Page Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 60px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.55) 50%, rgba(15, 15, 26, 0.92) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--bg-primary));
            z-index: 2;
        }

        .page-banner .container {
            position: relative;
            z-index: 3;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .page-banner h1 .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner .banner-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding-top: calc(var(--nav-height-mobile) + 40px);
                padding-bottom: 40px;
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner .banner-desc {
                font-size: 16px;
            }
        }

        /* ===== Community Layout ===== */
        .community-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 960px) {
            .community-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Content Cards ===== */
        .community-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .community-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }

        .community-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(212, 165, 116, 0.25);
        }

        .community-card .card-cover {
            position: relative;
            min-height: 180px;
            overflow: hidden;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }

        .community-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.45s ease;
        }

        .community-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .community-card .card-cover .cover-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .community-card .card-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .community-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .community-card .card-meta .date {
            font-family: var(--font-mono);
            color: var(--gold);
            font-weight: 600;
        }

        .community-card .card-meta .tag {
            color: var(--purple-light);
            background: rgba(124, 58, 237, 0.12);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .community-card h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color 0.25s ease;
        }

        .community-card:hover h3 {
            color: var(--gold);
        }

        .community-card .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .community-card .card-stats {
            display: flex;
            gap: 24px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .community-card .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 640px) {
            .community-card {
                grid-template-columns: 1fr;
            }
            .community-card .card-cover {
                min-height: 160px;
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }
            .community-card .card-body {
                padding: 18px 20px;
            }
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-widget h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-left: 14px;
            position: relative;
        }

        .sidebar-widget h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .sidebar-widget .hot-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-widget .hot-list li:last-child {
            border-bottom: none;
        }

        .sidebar-widget .hot-list .hot-num {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 18px;
            color: var(--gold);
            min-width: 28px;
        }

        .sidebar-widget .hot-list a {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.5;
            transition: color 0.25s ease;
        }

        .sidebar-widget .hot-list a:hover {
            color: var(--gold);
        }

        .sidebar-widget .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .sidebar-widget .tag-cloud a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
        }

        .sidebar-widget .tag-cloud a:hover {
            background: rgba(212, 165, 116, 0.1);
            border-color: var(--border-gold);
            color: var(--gold);
        }

        .sidebar-widget .subscribe-box p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .sidebar-widget .subscribe-box input {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            margin-bottom: 12px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .sidebar-widget .subscribe-box input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .sidebar-widget .subscribe-box .btn {
            width: 100%;
            font-size: 14px;
            padding: 12px 20px;
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-family: var(--font-mono);
            font-weight: 600;
            transition: all 0.25s ease;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
        }

        .pagination a:hover {
            color: var(--gold);
            border-color: var(--border-gold);
            background: rgba(212, 165, 116, 0.08);
        }

        .pagination .current {
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
        }

        .pagination .disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }

        /* ===== CTA Strip ===== */
        .cta-strip {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            margin-top: 48px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-strip::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gold-gradient);
        }

        .cta-strip h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-strip p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-strip .btn {
            flex-shrink: 0;
        }

        @media (max-width: 640px) {
            .cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 28px 24px;
            }
        }

        /* ===== Community Features ===== */
        .community-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .feature-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .feature-mini-card:hover {
            border-color: rgba(212, 165, 116, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .feature-mini-card .feature-icon {
            font-size: 32px;
            margin-bottom: 12px;
        }

        .feature-mini-card h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .feature-mini-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .community-features {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .community-features {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(212, 165, 116, 0.2);
            padding-top: 60px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-subscribe {
            display: flex;
            gap: 10px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 12px 16px;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            min-width: 0;
        }

        .footer-subscribe input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
        }

        .footer-subscribe button {
            padding: 12px 20px;
            background: var(--gold-gradient);
            color: #0F0F1A;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

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

        .footer-bottom a:hover {
            color: var(--gold);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.7s ease forwards;
        }

        .fade-up-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .fade-up-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .fade-up-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .fade-up-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }