/* roulang page: index */
:root {
            --primary: #1b1b3a;
            --primary-light: #2d2d5e;
            --primary-lighter: #3f3f7a;
            --accent: #e94560;
            --accent-hover: #d63852;
            --accent-light: #fde8ec;
            --gold: #f0b90b;
            --gold-light: #fef6d8;
            --bg: #f5f5fa;
            --bg-alt: #ebebf3;
            --surface: #ffffff;
            --surface-hover: #fafafd;
            --text: #1a1a2e;
            --text-secondary: #4a4a60;
            --text-muted: #7a7a94;
            --text-light: #9a9ab0;
            --border: #e2e2ec;
            --border-light: #eeeef4;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height: 68px;
            --bottom-tab-height: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        input {
            font-family: var(--font-stack);
        }

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

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

        .section {
            padding: 64px 0;
        }

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

        .section-lg {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 600px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #ff6b81);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            background: var(--bg);
            color: var(--text);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-sm);
            color: #fff;
            transform: translateY(-1px);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-xs);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
        }

        .mobile-nav-panel {
            position: fixed;
            top: var(--header-height);
            right: -320px;
            width: 300px;
            height: calc(100vh - var(--header-height));
            background: var(--surface);
            z-index: 1001;
            padding: 20px;
            transition: right var(--transition);
            box-shadow: var(--shadow-lg);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--bg);
            color: var(--text);
        }

        .mobile-nav-panel a.active {
            background: var(--primary);
            color: #fff;
        }

        /* ===== BOTTOM TAB NAV (Mobile) ===== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 16px rgba(0,0,0,0.06);
            height: var(--bottom-tab-height);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 500px;
            margin: 0 auto;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border-radius: 0;
            background: none;
            border: none;
            cursor: pointer;
            position: relative;
            padding: 4px 8px;
        }

        .bottom-tab-item i {
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .bottom-tab-item.active {
            color: var(--accent);
            font-weight: 700;
        }

        .bottom-tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 3px 3px;
        }

        .bottom-tab-item:active {
            transform: scale(0.93);
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            background: linear-gradient(160deg, #1b1b3a 0%, #2d2d5e 40%, #1a1a35 100%);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(233,69,96,0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(240,185,11,0.10) 0%, transparent 50%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: #fef6d8;
        }

        .hero-badge i {
            color: var(--gold);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.04em;
            margin-bottom: 16px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--gold), #f5c842);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: none;
            font-family: var(--font-stack);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.7);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-xs);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius);
        }

        .hero-stats-row {
            display: flex;
            gap: 36px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--gold);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.65);
        }

        /* ===== FEATURES SECTION ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .feature-card-icon.red {
            background: #fde8ec;
            color: var(--accent);
        }
        .feature-card-icon.blue {
            background: #e8ecfd;
            color: #4a6cf7;
        }
        .feature-card-icon.green {
            background: #e8fdf0;
            color: #10b981;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .feature-card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-top: 16px;
        }

        /* ===== CATEGORY ENTRY SECTION ===== */
        .category-entry-block {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 40px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .category-entry-block:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .category-entry-img {
            width: 200px;
            height: 150px;
            object-fit: cover;
            border-radius: var(--radius);
            flex-shrink: 0;
        }

        .category-entry-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-entry-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .category-entry-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 14px;
        }

        /* ===== CMS LIST SECTION ===== */
        .posts-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .post-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            gap: 18px;
        }

        .post-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .post-card-thumb {
            width: 100px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .post-card-body {
            flex: 1;
            min-width: 0;
        }

        .post-card-cat {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .post-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-date {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        .posts-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border);
        }

        /* ===== STATS SECTION ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .stat-card-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.03em;
        }

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

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

        /* ===== SPOTLIGHT SECTION ===== */
        .spotlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .spotlight-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .spotlight-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .spotlight-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .spotlight-card-body {
            padding: 20px 24px;
        }

        .spotlight-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .spotlight-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .spotlight-meta {
            display: flex;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .badge {
            display: inline-block;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 12px;
            background: var(--gold-light);
            color: #b8860b;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-stack);
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(150deg, #1b1b3a 0%, #2d2d5e 100%);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(233,69,96,0.2) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-section > * {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 34px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 40px 0 28px;
            margin-top: 60px;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-brand {
            max-width: 280px;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 24px 0;
            margin-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero {
                padding: 60px 0 70px;
                min-height: 440px;
            }
            .category-entry-block {
                flex-direction: column;
                text-align: center;
                gap: 20px;
                padding: 28px;
            }
            .category-entry-img {
                width: 100%;
                height: 180px;
            }
            .posts-list {
                grid-template-columns: 1fr 1fr;
            }
            .spotlight-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }
            .section {
                padding: 44px 0;
            }
            .section-lg {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }

            /* Header */
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }

            /* Hero */
            .hero {
                padding: 48px 0 56px;
                min-height: auto;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-stats-row {
                justify-content: center;
                gap: 24px;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }

            /* Features */
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            /* Category entry */
            .category-entry-block {
                padding: 20px;
            }
            .category-entry-img {
                height: 150px;
            }

            /* Posts */
            .posts-list {
                grid-template-columns: 1fr;
            }
            .post-card {
                flex-direction: column;
                gap: 12px;
            }
            .post-card-thumb {
                width: 100%;
                height: 140px;
            }

            /* Stats */
            .stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card-value {
                font-size: 1.8rem;
            }

            /* Spotlight */
            .spotlight-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .spotlight-card-img {
                height: 170px;
            }

            /* CTA */
            .cta-section {
                border-radius: var(--radius-lg);
                padding: 40px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }

            /* Footer */
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-links {
                gap: 24px;
            }

            /* Bottom Tab Nav */
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: var(--bottom-tab-height);
            }
            .site-footer {
                margin-bottom: 0;
                padding-bottom: calc(var(--bottom-tab-height) + 20px);
            }

            /* Mobile nav panel */
            .mobile-nav-overlay.show {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 32px 0;
            }
            .section-lg {
                padding: 40px 0;
            }
            .hero {
                padding: 36px 0 44px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.2rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .stat-card {
                padding: 16px 8px;
                border-radius: var(--radius-sm);
            }
            .stat-card-value {
                font-size: 1.4rem;
            }
            .stat-card-label {
                font-size: 0.75rem;
            }
            .spotlight-card-img {
                height: 150px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
            .posts-list {
                gap: 12px;
            }
            .post-card {
                padding: 16px;
            }
            .post-card-thumb {
                height: 120px;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 32px 16px;
                border-radius: var(--radius);
            }
        }

/* roulang page: article */
:root {
            --primary: #1e2140;
            --primary-light: #2a2d54;
            --accent: #ff6b35;
            --accent-hover: #e85d2a;
            --accent2: #4ecdc4;
            --accent2-light: #e8faf8;
            --bg: #f5f5f7;
            --card-bg: #ffffff;
            --card-bg-alt: #fafbff;
            --text: #2d2d3f;
            --text-strong: #1a1c2e;
            --text-light: #6b6b80;
            --text-muted: #999aab;
            --border: #e8e8ef;
            --border-light: #f0f0f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --max-width: 1200px;
            --article-max-width: 780px;
            --header-height: 68px;
            --bottom-tab-height: 62px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            padding-left: 1.5em;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-strong);
            line-height: 1.35;
            margin-top: 0;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container--narrow {
            max-width: 960px;
        }

        /* Reading Progress Bar */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent2));
            z-index: 10001;
            width: 0%;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

        /* Header / Nav */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-xs);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #ff8f60);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            background: var(--bg);
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        /* Mobile Header Toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg);
        }

        /* Bottom Tab Navigation (Mobile) */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.07);
            padding: 6px 8px;
            padding-bottom: max(6px, env(safe-area-inset-bottom));
            display: flex;
            justify-content: space-around;
            align-items: center;
            height: var(--bottom-tab-height);
        }

        .bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 16px;
            border-radius: var(--radius);
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            min-width: 60px;
            position: relative;
        }

        .bottom-tab i {
            font-size: 1.25rem;
            transition: transform var(--transition-fast);
        }

        .bottom-tab.active {
            color: var(--accent);
            font-weight: 600;
        }

        .bottom-tab.active::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .bottom-tab:active i {
            transform: scale(0.9);
        }

        /* Main Content Area */
        .site-main {
            flex: 1;
            padding-top: 28px;
            padding-bottom: 48px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            padding: 0;
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text-strong);
            font-weight: 500;
        }

        /* Article Layout */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 28px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* Article Header */
        .article-header {
            margin-bottom: 28px;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent2-light);
            color: #1a8a82;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            text-decoration: none;
            margin-bottom: 16px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .article-category-badge:hover {
            background: #cdf2ed;
            color: #15706a;
        }

        .article-category-badge i {
            font-size: 0.7rem;
        }

        .article-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-strong);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.88rem;
            color: var(--text-light);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* Featured Image */
        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .article-featured-image img {
            width: 100%;
            display: block;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-featured-image:hover img {
            transform: scale(1.02);
        }

        /* Article Content Typography */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 2em 0 0.8em;
            color: var(--text-strong);
            padding-bottom: 0.5em;
            border-bottom: 2px solid var(--border-light);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.6em 0 0.6em;
            color: var(--text-strong);
        }

        .article-content p {
            margin: 1.1em 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2em 0;
            padding-left: 1.6em;
        }

        .article-content li {
            margin: 0.5em 0;
        }

        .article-content blockquote {
            margin: 1.6em 0;
            padding: 16px 24px;
            border-left: 4px solid var(--accent);
            background: var(--card-bg-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }

        .article-content strong {
            color: var(--text-strong);
            font-weight: 700;
        }

        .article-content code {
            background: #f4f4f8;
            padding: 2px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: #c0392b;
        }

        .article-content a {
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
        }

        /* Article Footer Tags */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .article-tag {
            display: inline-flex;
            padding: 6px 14px;
            background: #f3f4f8;
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .article-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* Article Not Found */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .article-not-found .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            background: var(--bg);
            border-radius: 50%;
            font-size: 2rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            margin-bottom: 10px;
            font-size: 1.5rem;
        }

        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }

        /* Sidebar Widgets */
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
        }

        .sidebar-widget h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-strong);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h4 i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        /* Sidebar Article List */
        .sidebar-article-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-article-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
            transition: transform var(--transition-fast);
        }

        .sidebar-article-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-article-item:hover {
            transform: translateX(3px);
        }

        .sidebar-article-thumb {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }

        .sidebar-article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-article-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-article-info a {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-strong);
            text-decoration: none;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-article-info a:hover {
            color: var(--accent);
        }

        .sidebar-article-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-flex;
            padding: 6px 13px;
            background: #f3f4f8;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* CTA Section */
        .cta-section {
            margin-top: 40px;
            padding: 40px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-xl);
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .cta-section h3 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }

        .cta-section .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            font-weight: 700;
        }

        .cta-section .btn-primary:hover {
            background: #f0f0f5;
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.3);
            transform: translateY(-2px);
            color: var(--primary);
        }

        /* Related Section */
        .related-section {
            margin-top: 48px;
        }

        .related-section h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-strong);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section h3::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            display: block;
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .related-card-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg);
        }

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

        .related-card:hover .related-card-thumb img {
            transform: scale(1.06);
        }

        .related-card-body {
            padding: 14px 16px;
        }

        .related-card-body h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-strong);
            margin: 0 0 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }

        .related-card-body .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: 40px;
            align-items: start;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand .logo-link:hover {
            opacity: 0.9;
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.85rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

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

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

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

        @media (max-width: 767px) {
            :root {
                --header-height: 56px;
            }

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

            .nav-links {
                display: none;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--card-bg);
                border-bottom: 1px solid var(--border);
                padding: 12px 16px;
                box-shadow: var(--shadow-md);
                gap: 4px;
                z-index: 999;
            }

            .nav-links.mobile-open a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .bottom-tabs {
                display: flex;
            }

            body {
                padding-bottom: var(--bottom-tab-height);
            }

            .site-main {
                padding-bottom: 20px;
            }

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

            .article-sidebar {
                position: static;
                top: auto;
            }

            .article-title {
                font-size: 1.4rem;
            }

            .article-content {
                font-size: 0.98rem;
                line-height: 1.75;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.1rem;
            }

            .article-featured-image {
                border-radius: var(--radius);
            }

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

            .related-card-body {
                padding: 10px 12px;
            }

            .related-card-body h5 {
                font-size: 0.82rem;
            }

            .cta-section {
                padding: 28px 20px;
            }

            .cta-section h3 {
                font-size: 1.2rem;
            }

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

            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .footer-brand p {
                max-width: 100%;
            }

            .article-meta {
                gap: 10px;
                font-size: 0.8rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .article-title {
                font-size: 1.25rem;
            }

            .article-featured-image {
                border-radius: var(--radius-sm);
                margin-bottom: 20px;
            }

            .article-content {
                font-size: 0.94rem;
            }

            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .footer-col h4 {
                font-size: 0.85rem;
            }

            .footer-col a {
                font-size: 0.78rem;
            }

            .sidebar-widget {
                padding: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6C3CF7;
            --primary-dark: #5A2DE0;
            --primary-light: #EDE4FF;
            --secondary: #FF6B4A;
            --secondary-light: #FFF0EC;
            --accent: #FFB800;
            --accent-light: #FFF7E0;
            --bg: #F8F9FC;
            --bg-alt: #F0F2F7;
            --bg-dark: #1A1A2E;
            --bg-card: #FFFFFF;
            --text: #1E1E2E;
            --text-secondary: #4A4A5E;
            --text-light: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F0F1F5;
            --radius-xl: 18px;
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 7px;
            --radius-xs: 5px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 56px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
            --bottom-nav-height: 62px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-bottom: 0;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        ul,
        ol {
            list-style: none;
        }

        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(108, 60, 247, 0.30);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .logo-link:hover .logo-icon {
            transform: scale(1.06);
            box-shadow: 0 5px 16px rgba(108, 60, 247, 0.40);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .btn-search:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .header-inner {
                padding: 0 18px;
            }
            .nav-links {
                display: none;
            }
            .btn-search {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .logo-link {
                font-size: 1rem;
                gap: 7px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo-link span {
                font-size: 0.9rem;
            }
        }

        /* ========== BOTTOM TAB NAV (MOBILE) ========== */
        .bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.07);
            height: var(--bottom-nav-height);
            padding: 0 8px;
        }

        .bottom-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 500px;
            margin: 0 auto;
        }

        .bottom-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--text-muted);
            font-size: 0.68rem;
            font-weight: 500;
            border-radius: 0;
            background: transparent;
            transition: all var(--transition-fast);
            position: relative;
            padding: 4px 6px;
            -webkit-tap-highlight-color: transparent;
        }

        .bottom-nav-item i {
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .bottom-nav-item span {
            line-height: 1;
        }

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

        .bottom-nav-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 0 0 3px 3px;
            background: var(--primary);
        }

        .bottom-nav-item:active {
            transform: scale(0.94);
        }

        @media (max-width: 768px) {
            .bottom-nav {
                display: block;
            }
            body {
                padding-bottom: var(--bottom-nav-height);
            }
            .site-footer {
                margin-bottom: var(--bottom-nav-height);
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.72) 40%, rgba(108, 60, 247, 0.35) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            text-align: center;
            color: #fff;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }

        .banner-badge i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .banner-content .subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            margin: 0 auto 22px;
            line-height: 1.6;
        }

        .banner-stats {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .banner-stat {
            text-align: center;
        }

        .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .banner-stat .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 48px 0;
            }
            .banner-content h1 {
                font-size: 1.9rem;
            }
            .banner-content .subtitle {
                font-size: 0.95rem;
                max-width: 90%;
            }
            .banner-stats {
                gap: 20px;
            }
            .banner-stat .stat-num {
                font-size: 1.5rem;
            }
            .banner-stat .stat-label {
                font-size: 0.72rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 36px 0;
            }
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .banner-content .subtitle {
                font-size: 0.85rem;
            }
            .banner-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .banner-stats {
                gap: 14px;
            }
            .banner-stat .stat-num {
                font-size: 1.25rem;
            }
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
            padding: 48px 0 0;
        }

        .section {
            padding: 48px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title .title-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1rem;
        }

        .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ========== FILTER TAGS ========== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-bottom: 30px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(108, 60, 247, 0.28);
        }

        .filter-tag .count {
            font-size: 0.75rem;
            opacity: 0.8;
        }

        @media (max-width: 520px) {
            .filter-tags {
                gap: 6px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }
            .filter-tags::-webkit-scrollbar {
                display: none;
            }
            .filter-tag {
                font-size: 0.78rem;
                padding: 7px 13px;
                flex-shrink: 0;
            }
        }

        /* ========== REVIEW CARDS GRID ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 22px;
        }

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

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }

        .review-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }

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

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

        .review-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: var(--radius-xs);
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .review-card-score {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(6px);
            color: var(--accent);
            font-size: 1.3rem;
            font-weight: 700;
            padding: 6px 11px;
            border-radius: var(--radius-sm);
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
            letter-spacing: -0.01em;
        }

        .review-card-score .score-star {
            font-size: 0.85rem;
        }

        .review-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .review-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .review-card-tag {
            font-size: 0.72rem;
            font-weight: 500;
            padding: 3px 9px;
            border-radius: 20px;
            background: var(--bg-alt);
            color: var(--text-light);
            white-space: nowrap;
        }

        .review-card-tag.highlight {
            background: var(--accent-light);
            color: #B87A00;
            font-weight: 600;
        }

        .review-card-title {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.35;
            transition: color var(--transition-fast);
        }

        .review-card:hover .review-card-title {
            color: var(--primary);
        }

        .review-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .review-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .review-card-meta .meta-read {
            color: var(--primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .review-card:hover .review-card-meta .meta-read {
            gap: 7px;
        }

        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
                gap: 16px;
            }
            .review-card-body {
                padding: 14px 16px 16px;
            }
            .review-card-title {
                font-size: 1.05rem;
            }
            .review-card-excerpt {
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .review-card-score {
                font-size: 1.1rem;
                padding: 5px 9px;
                top: 10px;
                right: 10px;
            }
            .review-card-badge {
                top: 10px;
                left: 10px;
                font-size: 0.7rem;
                padding: 4px 8px;
            }
        }

        /* ========== RANKING SIDEBAR SECTION ========== */
        .ranking-section {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-top: 16px;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            background: var(--bg);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .ranking-item:hover {
            background: var(--bg-card);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .ranking-position {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-muted);
            min-width: 36px;
            text-align: center;
        }

        .ranking-item:nth-child(1) .ranking-position {
            color: #FFB800;
        }
        .ranking-item:nth-child(2) .ranking-position {
            color: #A0A0B0;
        }
        .ranking-item:nth-child(3) .ranking-position {
            color: #C8895A;
        }

        .ranking-thumb {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }

        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-genre {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .ranking-score {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        @media (max-width: 520px) {
            .ranking-section {
                padding: 20px 14px;
            }
            .ranking-item {
                gap: 10px;
                padding: 10px;
            }
            .ranking-thumb {
                width: 40px;
                height: 40px;
            }
            .ranking-name {
                font-size: 0.85rem;
            }
            .ranking-score {
                font-size: 1rem;
            }
        }

        /* ========== RECOMMENDATION LIST ========== */
        .recommend-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 16px;
        }

        .recommend-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 16px 18px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .recommend-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .recommend-check {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .recommend-text {
            flex: 1;
            min-width: 0;
        }

        .recommend-text .rec-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
        }

        .recommend-text .rec-desc {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        @media (max-width: 520px) {
            .recommend-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .recommend-item {
                padding: 12px 14px;
                gap: 10px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #8B5CF6 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
            background: #fefefe;
        }

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

        @media (max-width: 520px) {
            .cta-section {
                padding: 30px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .cta-section p {
                font-size: 0.85rem;
            }
            .btn-cta {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c5c5d4;
            padding: 48px 0 22px;
            margin-top: 12px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
            font-size: 1.1rem;
        }

        .footer-brand .logo-link .logo-icon {
            background: rgba(255, 255, 255, 0.15);
            box-shadow: none;
        }

        .footer-brand p {
            font-size: 0.84rem;
            line-height: 1.6;
            color: #9a9ab0;
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: #9a9ab0;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: #7a7a92;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 0 14px;
            }
            .footer-bottom {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

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

        .mt-12 {
            margin-top: 12px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-28 {
            margin-top: 28px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }