/* roulang page: index */
:root {
            --color-primary: #6c3ce0;
            --color-primary-dark: #4a1fb8;
            --color-primary-light: #8b5cf6;
            --color-accent: #f59e0b;
            --color-accent-glow: #fbbf24;
            --color-bg-dark: #0a0a14;
            --color-bg-card: #141428;
            --color-bg-card-hover: #1a1a35;
            --color-bg-section: #0f0f1e;
            --color-surface: #1c1c38;
            --color-text: #e8e8f0;
            --color-text-strong: #ffffff;
            --color-text-muted: #9a9ab8;
            --color-text-weak: #6b6b88;
            --color-border: #2a2a48;
            --color-border-light: #35355a;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 60, 224, 0.35);
            --shadow-accent-glow: 0 0 25px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        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(--color-primary-light);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-strong);
            line-height: 1.3;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(10, 10, 20, 0.95);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-text-strong);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: all var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
            transform: translateY(-1px);
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: var(--shadow-accent-glow);
            animation: logoPulse 2s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
            }
            50% {
                box-shadow: 0 0 28px rgba(245, 158, 11, 0.75);
            }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-text-strong);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--color-text-strong);
            background: rgba(108, 60, 224, 0.15);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-primary-light);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition-fast);
            min-width: 200px;
        }
        .search-box:focus-within {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-glow);
        }
        .search-box input {
            background: transparent;
            color: var(--color-text);
            font-size: 0.9rem;
            width: 100%;
            min-width: 120px;
        }
        .search-box input::placeholder {
            color: var(--color-text-weak);
        }
        .search-box .fa-search {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 60, 224, 0.4);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 224, 0.55);
            color: #fff;
        }
        .btn-cta-nav:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(108, 60, 224, 0.3);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text-strong);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 10, 20, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 12px 18px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .mobile-menu .search-box {
            margin-top: 8px;
            width: 100%;
        }
        .mobile-menu .btn-cta-nav {
            margin-top: 6px;
            justify-content: center;
            width: 100%;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, rgba(10, 10, 20, 0.75) 0%, rgba(20, 20, 40, 0.7) 40%, rgba(10, 10, 20, 0.85) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: overlay;
            overflow: hidden;
            padding: 60px 0 80px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(108, 60, 224, 0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 158, 11, 0.1) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 60, 224, 0.2);
            border: 1px solid rgba(108, 60, 224, 0.4);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-primary-light);
            margin-bottom: 24px;
            animation: fadeInUp 0.6s ease-out;
        }
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 12px rgba(16, 185, 129, 0.6);
            animation: livePulse 1.5s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 22px rgba(16, 185, 129, 0.9);
            }
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--color-text-strong);
            margin-bottom: 18px;
            line-height: 1.15;
            animation: fadeInUp 0.7s ease-out;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            max-width: 560px;
            animation: fadeInUp 0.8s ease-out;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            animation: fadeInUp 0.9s ease-out;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--color-primary), #5a20d0);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 45px rgba(108, 60, 224, 0.5);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 18px rgba(108, 60, 224, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            border: 2px solid var(--color-border-light);
            color: var(--color-text-strong);
            transition: all var(--transition-smooth);
        }
        .btn-outline:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary-light);
            background: rgba(108, 60, 224, 0.06);
            transform: translateY(-2px);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--color-bg-section);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary-light);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== FEATURE CARDS ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(108, 60, 224, 0.08);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover::before {
            width: 160px;
            height: 160px;
            top: -60px;
            right: -60px;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
            background: var(--color-bg-card-hover);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(108, 60, 224, 0.2), rgba(108, 60, 224, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary-light);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            position: relative;
            z-index: 1;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary);
        }
        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 20px 22px 24px;
        }
        .category-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }
        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary-light);
            transition: gap var(--transition-fast);
        }
        .category-card:hover .category-card-link {
            gap: 10px;
        }

        /* ========== CMS LIST ========== */
        .cms-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .cms-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            display: flex;
            gap: 18px;
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .cms-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: var(--color-bg-card-hover);
        }
        .cms-item-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .cms-item-content {
            flex: 1;
            min-width: 0;
        }
        .cms-item-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(108, 60, 224, 0.15);
            color: var(--color-primary-light);
            margin-bottom: 6px;
        }
        .cms-item-content h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-item-content h3 a {
            color: var(--color-text-strong);
            transition: color var(--transition-fast);
        }
        .cms-item-content h3 a:hover {
            color: var(--color-primary-light);
        }
        .cms-item-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .cms-item-meta {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }
        .cms-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--color-text-muted);
            font-size: 1rem;
            grid-column: 1 / -1;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }

        /* ========== STATS / DATA BLOCK ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            transition: all var(--transition-smooth);
        }
        .stat-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent-glow);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-strong);
            background: transparent;
            text-align: left;
            gap: 16px;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            display: none;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
        }
        .faq-icon {
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary-light);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, rgba(20, 20, 40, 0.9) 0%, rgba(10, 10, 20, 0.95) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode: overlay;
            text-align: center;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 60, 224, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 28px;
        }

        /* ========== TIMELINE / RANKING ========== */
        .ranking-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            transition: all var(--transition-smooth);
        }
        .ranking-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .rank-badge {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            background: var(--color-surface);
            color: var(--color-text-muted);
        }
        .ranking-item:nth-child(1) .rank-badge {
            background: linear-gradient(135deg, var(--color-accent), #e8960a);
            color: #fff;
            box-shadow: var(--shadow-accent-glow);
        }
        .ranking-item:nth-child(2) .rank-badge {
            background: linear-gradient(135deg, #8b8b9e, #6b6b80);
            color: #fff;
        }
        .ranking-item:nth-child(3) .rank-badge {
            background: linear-gradient(135deg, #b87333, #8b4f1a);
            color: #fff;
        }
        .ranking-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .ranking-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-section);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-text-strong);
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            max-width: 300px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text-strong);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cms-list {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-box {
                min-width: 140px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn-cta-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 480px;
                padding: 40px 0 60px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .ranking-list {
                gap: 10px;
            }
            .ranking-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .cms-item {
                flex-direction: column;
            }
            .cms-item-thumb {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.82rem;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .ranking-item {
                padding: 12px 14px;
            }
            .rank-badge {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --primary-bg: #eef2ff;
            --accent: #f43f5e;
            --accent-light: #fb7185;
            --accent-bg: #fff1f2;
            --cyan: #06b6d4;
            --cyan-bg: #ecfeff;
            --bg: #f8fafc;
            --surface: #ffffff;
            --surface-alt: #f1f5f9;
            --text: #1e293b;
            --text-strong: #0f172a;
            --text-weak: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10), 0 3px 10px rgba(0,0,0,0.05);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12), 0 6px 16px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.15), 0 8px 24px rgba(0,0,0,0.08);
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
            --max-width: 1280px;
            --content-width: 780px;
            --nav-height: 64px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            min-height:100vh;
            overflow-x:hidden;
        }
        img{max-width:100%;height:auto;display:block}
        a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
        a:hover{color:var(--primary-dark)}
        button,input,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{color:var(--text-strong);line-height:1.35;font-weight:700}
        h1{font-size:2.4rem;letter-spacing:-0.02em}
        h2{font-size:1.85rem;letter-spacing:-0.01em}
        h3{font-size:1.45rem}
        h4{font-size:1.2rem}

        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}

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

        /* Header / Nav - SaaS Command Bar */
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:rgba(255,255,255,0.82);
            backdrop-filter:blur(18px) saturate(160%);
            -webkit-backdrop-filter:blur(18px) saturate(160%);
            border-bottom:1px solid var(--border);
            height:var(--nav-height);
            display:flex;align-items:center;
            transition:box-shadow var(--transition);
        }
        .site-header.scrolled{box-shadow:var(--shadow-sm)}
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;
            gap:20px;
        }
        .logo-link{
            display:flex;align-items:center;gap:10px;
            font-weight:800;font-size:1.2rem;color:var(--text-strong);
            letter-spacing:-0.02em;white-space:nowrap;
            text-decoration:none;flex-shrink:0;
        }
        .logo-link:hover{color:var(--primary)}
        .logo-icon{
            width:36px;height:36px;border-radius:var(--radius-sm);
            background:linear-gradient(135deg,var(--primary),var(--accent));
            display:flex;align-items:center;justify-content:center;
            color:#fff;font-weight:900;font-size:1rem;flex-shrink:0;
        }
        .nav-links{
            display:flex;align-items:center;gap:6px;flex-shrink:0;
        }
        .nav-link{
            padding:8px 16px;border-radius:var(--radius-sm);
            font-weight:500;font-size:0.94rem;color:var(--text-weak);
            transition:all var(--transition);white-space:nowrap;
            text-decoration:none;
        }
        .nav-link:hover{color:var(--primary);background:var(--primary-bg)}
        .nav-link.active{color:var(--primary);background:var(--primary-bg);font-weight:600}
        .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
        .search-box{
            display:flex;align-items:center;gap:8px;
            padding:8px 14px;border-radius:var(--radius);
            border:1.5px solid var(--border);background:var(--surface);
            transition:all var(--transition);cursor:text;
            font-size:0.9rem;color:var(--text-weak);
            min-width:180px;
        }
        .search-box:hover{border-color:var(--primary-light)}
        .search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,0.1)}
        .search-box i{color:var(--text-muted);font-size:0.85rem}
        .search-box input{
            border:none;outline:none;background:transparent;
            width:100%;color:var(--text);font-size:0.9rem;
        }
        .search-box input::placeholder{color:var(--text-muted)}
        .btn{
            display:inline-flex;align-items:center;gap:8px;
            padding:10px 20px;border-radius:var(--radius);
            font-weight:600;font-size:0.92rem;cursor:pointer;
            border:none;transition:all var(--transition);
            white-space:nowrap;text-decoration:none;
        }
        .btn-primary{
            background:linear-gradient(135deg,var(--primary),var(--primary-dark));
            color:#fff;box-shadow:0 2px 8px rgba(99,102,241,0.3);
        }
        .btn-primary:hover{box-shadow:0 6px 20px rgba(99,102,241,0.4);transform:translateY(-1px);color:#fff}
        .btn-outline{
            background:transparent;border:2px solid var(--border);color:var(--text);
        }
        .btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-bg)}
        .btn-sm{padding:7px 14px;font-size:0.84rem;border-radius:var(--radius-sm)}
        .btn-accent{
            background:linear-gradient(135deg,var(--accent),#e11d48);
            color:#fff;box-shadow:0 2px 8px rgba(244,63,94,0.3);
        }
        .btn-accent:hover{box-shadow:0 6px 20px rgba(244,63,94,0.4);transform:translateY(-1px);color:#fff}

        .mobile-menu-toggle{
            display:none;background:none;border:none;
            font-size:1.5rem;color:var(--text);cursor:pointer;
            padding:6px;border-radius:var(--radius-sm);
            transition:background var(--transition);
        }
        .mobile-menu-toggle:hover{background:var(--surface-alt)}

        /* Article Banner */
        .article-banner{
            position:relative;padding:60px 0 50px;
            background:linear-gradient(170deg,#1e1b4b 0%,#312e81 30%,#4338ca 60%,#4f46e5 100%);
            overflow:hidden;
        }
        .article-banner::before{
            content:'';position:absolute;inset:0;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity:0.25;mix-blend-mode:overlay;
        }
        .article-banner::after{
            content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;
            background:radial-gradient(circle,rgba(99,102,241,0.4) 0%,transparent 70%);
            border-radius:50%;
        }
        .article-banner-inner{position:relative;z-index:1;max-width:var(--max-width);margin:0 auto;padding:0 24px}
        .breadcrumb{
            display:flex;align-items:center;gap:8px;flex-wrap:wrap;
            font-size:0.88rem;color:rgba(255,255,255,0.7);margin-bottom:20px;
        }
        .breadcrumb a{color:rgba(255,255,255,0.85);text-decoration:none;transition:color var(--transition)}
        .breadcrumb a:hover{color:#fff}
        .breadcrumb .sep{font-size:0.7rem;color:rgba(255,255,255,0.5)}
        .breadcrumb .current{color:#fff;font-weight:500}
        .article-banner .article-category-badge{
            display:inline-block;padding:5px 14px;border-radius:20px;
            font-size:0.82rem;font-weight:600;letter-spacing:0.02em;
            background:rgba(255,255,255,0.18);color:#fff;
            margin-bottom:16px;backdrop-filter:blur(4px);
        }
        .article-banner h1{
            color:#fff;font-size:2.6rem;max-width:800px;
            text-shadow:0 2px 12px rgba(0,0,0,0.2);
            margin-bottom:12px;
        }
        .article-meta-top{
            display:flex;align-items:center;gap:18px;flex-wrap:wrap;
            color:rgba(255,255,255,0.8);font-size:0.9rem;
        }
        .article-meta-top span{display:flex;align-items:center;gap:5px}
        .article-meta-top i{font-size:0.8rem}

        /* Main Layout */
        .article-main{padding:50px 0 60px}
        .article-layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
        .article-content-area{min-width:0}
        .article-sidebar{position:sticky;top:calc(var(--nav-height) + 30px)}

        /* Article Content */
        .article-body{
            background:var(--surface);border-radius:var(--radius-lg);
            padding:40px 44px;box-shadow:var(--shadow-sm);
            border:1px solid var(--border-light);
            line-height:1.85;font-size:1.05rem;
            color:var(--text);
        }
        .article-body h2{
            font-size:1.55rem;margin:36px 0 16px;padding-bottom:10px;
            border-bottom:2px solid var(--border-light);color:var(--text-strong);
        }
        .article-body h3{font-size:1.3rem;margin:28px 0 12px;color:var(--text-strong)}
        .article-body p{margin-bottom:18px}
        .article-body ul,.article-body ol{margin:12px 0 18px 20px}
        .article-body li{margin-bottom:8px;list-style:disc}
        .article-body ol li{list-style:decimal}
        .article-body blockquote{
            border-left:4px solid var(--primary);background:var(--primary-bg);
            padding:16px 22px;margin:20px 0;border-radius:0 var(--radius) var(--radius) 0;
            color:var(--text-strong);font-style:italic;
        }
        .article-body img{border-radius:var(--radius);margin:24px auto;box-shadow:var(--shadow)}
        .article-body code{
            background:var(--surface-alt);padding:3px 8px;border-radius:4px;
            font-family:var(--font-mono);font-size:0.9em;color:var(--accent);
        }
        .article-body pre{
            background:#1e293b;color:#e2e8f0;padding:20px 24px;
            border-radius:var(--radius);overflow-x:auto;margin:20px 0;
            font-family:var(--font-mono);font-size:0.9rem;line-height:1.6;
        }

        /* Article Featured Image */
        .article-featured-img{
            border-radius:var(--radius-lg);overflow:hidden;
            margin-bottom:24px;box-shadow:var(--shadow-md);
        }
        .article-featured-img img{width:100%;height:auto;display:block}

        /* Tags */
        .article-tags{
            display:flex;align-items:center;gap:10px;flex-wrap:wrap;
            margin-top:30px;padding-top:22px;border-top:1px solid var(--border-light);
        }
        .article-tags span{font-weight:600;color:var(--text-weak);font-size:0.9rem}
        .tag{
            display:inline-block;padding:5px 13px;border-radius:20px;
            background:var(--surface-alt);color:var(--text-weak);
            font-size:0.84rem;font-weight:500;transition:all var(--transition);
            text-decoration:none;
        }
        .tag:hover{background:var(--primary-bg);color:var(--primary)}

        /* Share */
        .article-share{
            display:flex;align-items:center;gap:12px;flex-wrap:wrap;
            margin-top:18px;padding:16px 0;
        }
        .article-share span{font-weight:600;color:var(--text-weak);font-size:0.9rem}
        .share-btn{
            width:38px;height:38px;border-radius:50%;display:flex;align-items:center;
            justify-content:center;border:none;cursor:pointer;font-size:1rem;
            transition:all var(--transition);color:#fff;
        }
        .share-btn.twitter{background:#1da1f2}
        .share-btn.facebook{background:#1877f2}
        .share-btn.weibo{background:#e6162d}
        .share-btn.copy{background:var(--text-weak)}
        .share-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}

        /* Sidebar */
        .sidebar-card{
            background:var(--surface);border-radius:var(--radius-lg);
            padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);
            margin-bottom:24px;
        }
        .sidebar-card h4{
            font-size:1.05rem;margin-bottom:16px;color:var(--text-strong);
            display:flex;align-items:center;gap:8px;
        }
        .sidebar-card h4 i{color:var(--primary);font-size:0.9rem}
        .sidebar-post-list li{
            padding:12px 0;border-bottom:1px solid var(--border-light);
            transition:all var(--transition);
        }
        .sidebar-post-list li:last-child{border-bottom:none}
        .sidebar-post-list a{
            font-weight:500;font-size:0.92rem;color:var(--text);
            display:block;line-height:1.4;transition:color var(--transition);
        }
        .sidebar-post-list a:hover{color:var(--primary)}
        .sidebar-post-list .post-date{
            font-size:0.78rem;color:var(--text-muted);margin-top:3px;display:block;
        }
        .sidebar-cta{
            background:linear-gradient(135deg,var(--primary),var(--primary-dark));
            color:#fff;border-radius:var(--radius-lg);padding:28px 24px;
            text-align:center;position:relative;overflow:hidden;
        }
        .sidebar-cta::before{
            content:'';position:absolute;top:-30px;right:-30px;
            width:120px;height:120px;border-radius:50%;
            background:rgba(255,255,255,0.1);
        }
        .sidebar-cta h4{color:#fff;margin-bottom:8px;font-size:1.1rem}
        .sidebar-cta p{font-size:0.88rem;opacity:0.9;margin-bottom:16px}
        .sidebar-cta .btn{background:#fff;color:var(--primary);font-weight:700}
        .sidebar-cta .btn:hover{background:#f1f5f9;transform:translateY(-2px);box-shadow:var(--shadow-lg)}

        /* Related Articles */
        .related-section{padding:50px 0 60px;background:var(--surface-alt)}
        .related-section h2{text-align:center;margin-bottom:36px;font-size:1.7rem}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .related-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);text-decoration:none;display:block;
        }
        .related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .related-card-img{height:180px;overflow:hidden;position:relative}
        .related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .related-card:hover .related-card-img img{transform:scale(1.05)}
        .related-card-body{padding:18px 20px}
        .related-card-body .card-cat{
            font-size:0.78rem;color:var(--primary);font-weight:600;
            text-transform:uppercase;letter-spacing:0.03em;margin-bottom:6px;
        }
        .related-card-body h3{font-size:1rem;color:var(--text-strong);line-height:1.4;margin-bottom:6px}
        .related-card-body .card-date{font-size:0.8rem;color:var(--text-muted)}

        /* CTA Section */
        .cta-section{
            padding:70px 0;text-align:center;
            background:linear-gradient(170deg,#1e1b4b 0%,#312e81 40%,#4338ca 100%);
            position:relative;overflow:hidden;
        }
        .cta-section::before{
            content:'';position:absolute;inset:0;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity:0.2;mix-blend-mode:overlay;
        }
        .cta-section .container{position:relative;z-index:1}
        .cta-section h2{color:#fff;font-size:2rem;margin-bottom:14px}
        .cta-section p{color:rgba(255,255,255,0.85);font-size:1.1rem;max-width:600px;margin:0 auto 28px}
        .cta-section .btn{font-size:1rem;padding:14px 32px;border-radius:var(--radius)}

        /* Footer */
        .site-footer{
            background:#0f172a;color:rgba(255,255,255,0.75);
            padding:50px 0 30px;font-size:0.9rem;
        }
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px}
        .footer-brand{font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:10px}
        .footer-desc{line-height:1.7;max-width:340px}
        .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:14px;font-weight:600}
        .footer-col ul li{margin-bottom:9px}
        .footer-col ul li a{color:rgba(255,255,255,0.65);text-decoration:none;transition:color var(--transition)}
        .footer-col ul li a:hover{color:#fff}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.12);
            padding-top:24px;text-align:center;font-size:0.84rem;color:rgba(255,255,255,0.5);
        }

        /* Not Found */
        .not-found-state{text-align:center;padding:80px 24px}
        .not-found-state .icon{font-size:4rem;color:var(--text-muted);margin-bottom:20px}
        .not-found-state h2{font-size:1.6rem;margin-bottom:10px}
        .not-found-state p{color:var(--text-weak);margin-bottom:24px}

        /* Responsive */
        @media(max-width:1024px){
            .article-layout{grid-template-columns:1fr;gap:30px}
            .article-sidebar{position:static}
            .related-grid{grid-template-columns:repeat(2,1fr)}
            .article-body{padding:30px 28px}
            .article-banner h1{font-size:2rem}
            .search-box{min-width:140px}
        }
        @media(max-width:768px){
            :root{--nav-height:56px}
            h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.25rem}
            .header-inner{padding:0 16px}
            .nav-links{display:none}
            .nav-links.open{
                display:flex;flex-direction:column;position:absolute;
                top:var(--nav-height);left:0;right:0;
                background:rgba(255,255,255,0.96);backdrop-filter:blur(20px);
                padding:16px 20px;gap:4px;border-bottom:1px solid var(--border);
                box-shadow:var(--shadow-md);
            }
            .search-box{min-width:auto;flex:1;max-width:200px}
            .mobile-menu-toggle{display:block}
            .header-actions{gap:6px}
            .header-actions .btn{padding:8px 14px;font-size:0.82rem}
            .article-banner{padding:36px 0 30px}
            .article-banner h1{font-size:1.6rem}
            .article-body{padding:22px 18px;font-size:0.98rem}
            .related-grid{grid-template-columns:1fr}
            .cta-section{padding:44px 0}
            .cta-section h2{font-size:1.5rem}
            .footer-grid{grid-template-columns:1fr;gap:28px}
            .article-meta-top{font-size:0.82rem;gap:10px}
            .article-body h2{font-size:1.3rem}
        }
        @media(max-width:520px){
            .article-banner h1{font-size:1.35rem}
            .breadcrumb{font-size:0.78rem}
            .article-body{padding:16px 12px;font-size:0.94rem}
            .search-box input{font-size:0.82rem}
            .header-actions .btn{display:none}
            .header-actions .btn-primary{display:inline-flex;padding:7px 12px;font-size:0.78rem}
        }

/* roulang page: category1 */
:root {
            --primary: #FF5E14;
            --primary-dark: #E04D0A;
            --primary-light: #FF7D3D;
            --accent: #FFB800;
            --accent-glow: #FFD700;
            --bg-dark: #0F0F1A;
            --bg-darker: #0A0A14;
            --bg-card: #18182A;
            --bg-card-hover: #1E1E35;
            --bg-surface: #222238;
            --text-primary: #FFFFFF;
            --text-secondary: #C5C5D8;
            --text-muted: #8888A0;
            --border-subtle: rgba(255,255,255,0.08);
            --border-medium: rgba(255,255,255,0.15);
            --border-glow: rgba(255,94,20,0.4);
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-card-hover: 0 12px 40px rgba(255,94,20,0.18);
            --shadow-glow: 0 0 40px rgba(255,94,20,0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
            --transition-smooth: 0.35s cubic-bezier(0.4,0,0.2,1);
        }

        *,
        *::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: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.7;
            background: var(--bg-dark);
            color: var(--text-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* ========== Container ========== */
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15,15,26,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10,10,20,0.95);
            box-shadow: 0 4px 32px rgba(0,0,0,0.5);
            border-bottom-color: var(--border-medium);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .logo-link {
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: var(--transition-fast);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 16px rgba(255,94,20,0.35);
            letter-spacing: -1px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.05);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255,94,20,0.18);
            font-weight: 600;
            box-shadow: 0 0 0 1px rgba(255,94,20,0.3);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-input {
            width: 180px;
            height: 38px;
            padding: 0 36px 0 14px;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            border-radius: 20px;
            color: var(--text-primary);
            font-size: 13.5px;
            outline: none;
            transition: var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .search-input::placeholder {
            color: var(--text-muted);
        }
        .search-input:focus {
            width: 220px;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,94,20,0.12);
            background: var(--bg-card-hover);
        }

        .search-icon-btn {
            position: absolute;
            right: 10px;
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 14px;
            padding: 4px;
            transition: var(--transition-fast);
        }

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

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 13.5px;
            border-radius: 20px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(255,94,20,0.3);
        }

        .btn-cta-nav:hover {
            box-shadow: 0 6px 24px rgba(255,94,20,0.45);
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(255,255,255,0.08);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10,10,20,0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 4px;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-link {
            display: block;
            padding: 14px 18px;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: #fff;
            background: rgba(255,94,20,0.15);
        }

        .mobile-nav-link.active {
            font-weight: 600;
            box-shadow: 0 0 0 1px rgba(255,94,20,0.3);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            padding: 100px 0 60px;
            background: var(--bg-darker);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.22;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10,10,20,0.4) 0%,
                    rgba(15,15,26,0.85) 60%,
                    var(--bg-dark) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255,94,20,0.15);
            border: 1px solid rgba(255,94,20,0.3);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .banner-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255,94,20,0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255,94,20,0);
            }
        }

        .banner-title {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .banner-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 24px;
        }

        .banner-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .banner-stat {
            text-align: center;
            min-width: 80px;
        }

        .banner-stat-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .banner-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== Sections ========== */
        .section {
            padding: 60px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 12.5px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            max-width: 560px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ========== Cards Grid ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

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

        .guide-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-surface);
        }

        .guide-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
        }

        .guide-card:hover .guide-card-img-wrap img {
            transform: scale(1.06);
        }

        .guide-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(6px);
            border-radius: 14px;
            font-size: 11.5px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.4px;
            z-index: 2;
        }

        .guide-card-tag.hot {
            background: rgba(255,94,20,0.85);
        }

        .guide-card-tag.new {
            background: rgba(255,184,0,0.85);
        }

        .guide-card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-title {
            font-size: 16.5px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .guide-card-excerpt {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .guide-card-meta .meta-hot-icon {
            color: var(--primary);
        }

        /* ========== Ranking Section ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }

        .ranking-item:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .ranking-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            color: #fff;
            background: var(--bg-surface);
        }
        .ranking-item:nth-child(1) .ranking-num {
            background: linear-gradient(135deg, #FFB800, #FF8C00);
            box-shadow: 0 4px 16px rgba(255,184,0,0.35);
            font-size: 18px;
        }
        .ranking-item:nth-child(2) .ranking-num {
            background: linear-gradient(135deg, #A0A0B8, #707088);
            box-shadow: 0 4px 12px rgba(160,160,184,0.25);
        }
        .ranking-item:nth-child(3) .ranking-num {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
            box-shadow: 0 4px 12px rgba(205,127,50,0.25);
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-title {
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            margin: 0 0 2px;
            letter-spacing: 0.3px;
        }
        .ranking-desc {
            font-size: 12.5px;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-heat {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Topic Groups ========== */
        .topic-groups {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition-smooth);
            text-decoration: none;
            color: inherit;
            overflow: hidden;
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255,94,20,0.08);
            transition: var(--transition-smooth);
        }

        .topic-card:hover::before {
            width: 140px;
            height: 140px;
            top: -50px;
            right: -50px;
        }

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

        .topic-icon {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
            position: relative;
            z-index: 1;
        }

        .topic-card-title {
            font-weight: 700;
            font-size: 15px;
            color: #fff;
            margin: 0 0 6px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.3px;
        }

        .topic-card-count {
            font-size: 12px;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }

        .topic-card-arrow {
            display: inline-block;
            margin-top: 10px;
            color: var(--primary);
            font-size: 16px;
            transition: var(--transition-fast);
            position: relative;
            z-index: 1;
        }
        .topic-card:hover .topic-card-arrow {
            transform: translateX(4px);
        }

        /* ========== Live Update Bar ========== */
        .live-bar-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            max-width: 700px;
            margin: 0 auto;
            overflow: hidden;
        }

        .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #00E676;
            flex-shrink: 0;
            animation: live-pulse 1.5s ease-in-out infinite;
            box-shadow: 0 0 12px rgba(0,230,118,0.5);
        }

        @keyframes live-pulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 12px rgba(0,230,118,0.5);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 4px rgba(0,230,118,0.2);
            }
        }

        .live-label {
            font-weight: 700;
            font-size: 13px;
            color: #00E676;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .live-ticker {
            flex: 1;
            overflow: hidden;
            position: relative;
            height: 20px;
        }

        .live-ticker-text {
            position: absolute;
            white-space: nowrap;
            animation: ticker-scroll 16s linear infinite;
            font-size: 13.5px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        @keyframes ticker-scroll {
            0% {
                transform: translateX(100%);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.3px;
            transition: var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 16px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-darker) 0%, #0D0D1F 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,94,20,0.2) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 24px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: 28px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: var(--transition-fast);
            letter-spacing: 0.4px;
            box-shadow: 0 6px 28px rgba(255,94,20,0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(255,94,20,0.5);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
        }

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

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.4px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 13.5px;
            transition: var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 12.5px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-groups {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .banner-title {
                font-size: 34px;
            }
            .search-input {
                width: 140px;
            }
            .search-input:focus {
                width: 170px;
            }
        }

        @media (max-width: 768px) {
            .cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .topic-groups {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .banner-title {
                font-size: 28px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .banner-stats-row {
                gap: 24px;
            }
            .banner-stat-num {
                font-size: 26px;
            }
            .page-banner {
                padding: 80px 0 44px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .nav-links {
                display: none;
            }
            .search-box {
                display: none;
            }
            .btn-cta-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-inner {
                height: 56px;
            }
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .ranking-num {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .ranking-title {
                font-size: 13.5px;
            }
            .guide-card-title {
                font-size: 14.5px;
            }
            .guide-card-body {
                padding: 14px 12px 16px;
            }
            .live-bar-wrap {
                flex-wrap: wrap;
                gap: 8px;
            }
            .cta-title {
                font-size: 24px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .topic-groups {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .banner-title {
                font-size: 24px;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-num {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-banner {
                padding: 72px 0 36px;
            }
            .section {
                padding: 32px 0;
            }
            .container {
                padding: 0 14px;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 6px;
                padding: 12px;
            }
            .ranking-heat {
                font-size: 11px;
            }
            .topic-card {
                padding: 20px 14px;
            }
            .topic-icon {
                font-size: 28px;
            }
            .topic-card-title {
                font-size: 13.5px;
            }
            .faq-question {
                font-size: 13.5px;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-inner {
                padding: 0 10px;
            }
            .btn-primary {
                padding: 12px 24px;
                font-size: 14px;
            }
            .mobile-nav-link {
                font-size: 15px;
                padding: 12px 14px;
            }
        }