/* roulang page: index */
:root {
            --brand-600: #2563eb;
            --brand-700: #1d4ed8;
            --accent-500: #f59e0b;
            --accent-600: #d97706;
            --surface-light: #f8fafc;
            --surface-white: #ffffff;
            --surface-dark: #1e293b;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --text-muted: #94a3b8;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e1;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
            --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--surface-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--brand-600);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        button:focus-visible {
            outline: 2px solid var(--brand-600);
            outline-offset: 2px;
        }

        input:focus-visible {
            outline: 2px solid var(--brand-600);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

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

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

        /* ========== Top Bar ========== */
        .top-bar {
            background: var(--surface-dark);
            color: #cbd5e1;
            font-size: 0.8125rem;
            padding: 0.4rem 0;
            letter-spacing: 0.01em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .top-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .top-bar__tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.2rem 0.6rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            color: #e2e8f0;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }
        .top-bar__tag:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
        }
        .top-bar__dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #10b981;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: var(--surface-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand-700);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .nav-logo__icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            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: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--brand-600);
            background: #eff6ff;
        }
        .nav-links a.nav-active {
            color: var(--brand-600);
            background: #eff6ff;
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--brand-600);
            color: #ffffff;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--brand-700);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 767px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links-wrapper {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--surface-white);
                box-shadow: var(--shadow-xl);
                padding: 5rem 1.5rem 2rem;
                transition: right var(--transition-smooth);
                z-index: 105;
                overflow-y: auto;
            }
            .nav-links-wrapper.open {
                right: 0;
            }
            .nav-links {
                flex-direction: column;
                gap: 0.15rem;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
            }
            .nav-cta-btn {
                width: 100%;
                justify-content: center;
                margin-top: 0.5rem;
            }
            .nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 100;
            }
            .nav-overlay.open {
                display: block;
            }
        }

        @media (min-width: 768px) {
            .nav-links-wrapper {
                display: flex;
                align-items: center;
                gap: 0.5rem;
            }
            .nav-overlay {
                display: none !important;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1e3a8a 40%, #1d4ed8 100%);
            color: #ffffff;
            padding: 5rem 0 6rem;
            overflow: hidden;
            isolation: isolate;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--surface-light), transparent);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.35rem 1rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #e2e8f0;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
        }
        .hero-badge__icon {
            font-size: 1rem;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 1rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-title span {
            color: #fbbf24;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: #cbd5e1;
            line-height: 1.7;
            margin: 0 auto 2rem;
            max-width: 560px;
        }
        .hero-search-wrap {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: 500px;
            margin: 0 auto 1.5rem;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 9999px;
            overflow: hidden;
            backdrop-filter: blur(10px);
            transition: all var(--transition-smooth);
        }
        .hero-search-wrap:focus-within {
            border-color: rgba(255, 255, 255, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }
        .hero-search-input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.85rem 1.25rem;
            color: #ffffff;
            font-size: 0.95rem;
            min-width: 0;
        }
        .hero-search-input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .hero-search-input:focus {
            outline: none;
        }
        .hero-search-btn {
            background: #f59e0b;
            color: #1e293b;
            border: none;
            padding: 0.85rem 1.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .hero-search-btn:hover {
            background: #fbbf24;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
        }
        .hero-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            background: rgba(255, 255, 255, 0.08);
            color: #e2e8f0;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hero-tag:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.3);
            color: #ffffff;
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 3rem 0 4rem;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-lg);
                background: rgba(255, 255, 255, 0.1);
            }
            .hero-search-input {
                width: 100%;
                text-align: center;
            }
            .hero-search-btn {
                width: 100%;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 0.75rem;
            }
        }

        /* ========== Section Common ========== */
        .section {
            padding: 4rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-600);
            background: #eff6ff;
            padding: 0.3rem 0.9rem;
            border-radius: 9999px;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin: 0 0 0.6rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 2rem;
            }
        }

        /* ========== Features Grid ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #2563eb, #3b82f6);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #bfdbfe;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #eff6ff, #dbeafe);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--brand-600);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-card__icon {
            background: linear-gradient(135deg, #dbeafe, #bfdbfe);
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 1023px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 519px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Category Cards ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .category-card {
            background: var(--surface-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #bfdbfe;
        }
        .category-card__img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-smooth);
        }
        .category-card:hover .category-card__img {
            transform: scale(1.03);
        }
        .category-card__body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card__tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #d97706;
            background: #fffbeb;
            padding: 0.2rem 0.65rem;
            border-radius: 9999px;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--text-primary);
        }
        .category-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin: 0 0 1rem;
            line-height: 1.6;
            flex: 1;
        }
        .category-card__link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-600);
            transition: gap var(--transition-fast);
        }
        .category-card__link:hover {
            gap: 0.6rem;
        }
        @media (max-width: 1023px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 519px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== News List ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .news-item {
            display: flex;
            gap: 1rem;
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            padding: 1rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #bfdbfe;
            transform: translateY(-2px);
        }
        .news-item__thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e2e8f0;
        }
        .news-item__content {
            flex: 1;
            min-width: 0;
        }
        .news-item__meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 0.3rem;
            flex-wrap: wrap;
        }
        .news-item__cat {
            display: inline-block;
            font-weight: 600;
            color: #2563eb;
            background: #eff6ff;
            padding: 0.15rem 0.5rem;
            border-radius: 4px;
            font-size: 0.7rem;
            white-space: nowrap;
        }
        .news-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 0.35rem;
            line-height: 1.4;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item h4 a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .news-item h4 a:hover {
            color: var(--brand-600);
        }
        .news-item__excerpt {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border-medium);
            font-size: 0.95rem;
        }
        @media (max-width: 767px) {
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item__thumb {
                width: 80px;
                height: 56px;
            }
            .news-item h4 {
                font-size: 0.875rem;
            }
        }
        .news-more {
            text-align: center;
            margin-top: 2rem;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--brand-600);
            color: var(--brand-600);
            background: transparent;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--brand-600);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        /* ========== Stats ========== */
        .stats-section {
            background: var(--surface-dark);
            color: #ffffff;
            padding: 3.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stat-item__number {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fbbf24;
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-item__label {
            font-size: 0.9rem;
            color: #cbd5e1;
            letter-spacing: 0.02em;
        }
        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stat-item__number {
                font-size: 2rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--surface-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: #bfdbfe;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.25rem;
            background: none;
            border: none;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-600);
        }
        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--brand-600);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #2563eb 100%);
            color: #ffffff;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
        }
        .cta-desc {
            font-size: 1rem;
            color: #cbd5e1;
            margin: 0 auto 1.75rem;
            max-width: 500px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1rem;
            background: #f59e0b;
            color: #1e293b;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .btn-cta:hover {
            background: #fbbf24;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin: 0 0 0.8rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: #64748b;
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== Mobile Overlay ========== */
        @media (max-width: 767px) {
            .nav-overlay {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --primary-bg: #eef2ff;
            --accent: #f97316;
            --accent-light: #fb923c;
            --accent-bg: #fff7ed;
            --secondary: #06b6d4;
            --secondary-bg: #ecfeff;
            --text: #1e293b;
            --text-soft: #475569;
            --text-weak: #94a3b8;
            --heading: #0f172a;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-alt: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
            --content-width: 720px;
            --container-padding: clamp(16px, 4vw, 40px);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-bg);
        }
        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--heading);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-logo__icon {
            font-size: 1.5rem;
            line-height: 1;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-links a.nav-active,
        .nav-links a[aria-current="page"] {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
            transform: translateY(-1px);
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--heading);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5.5px, 5.5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5.5px, -5.5px);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-slow);
        }
        .nav-overlay.active {
            display: block;
            opacity: 1;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--text-weak);
        }
        .breadcrumb a {
            color: var(--text-soft);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
            user-select: none;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            background: var(--bg-white);
            padding: 40px 0 48px;
        }
        .article-hero .container-narrow {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .article-featured-img {
            width: 100%;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .article-featured-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }
        .article-meta-top {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .article-hero h1 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--heading);
            letter-spacing: -0.02em;
        }
        .article-excerpt {
            font-size: 1.05rem;
            color: var(--text-soft);
            line-height: 1.7;
            border-left: 3px solid var(--primary-light);
            padding-left: 18px;
            margin-top: 4px;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            background: var(--bg-white);
            padding: 0 0 60px;
        }
        .content-area {
            max-width: var(--content-width);
            margin: 0 auto;
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--text);
            padding: 0 var(--container-padding);
        }
        .content-area h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--heading);
            margin: 2em 0 0.6em;
            padding-top: 0.2em;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .content-area h2:first-child {
            margin-top: 0.2em;
        }
        .content-area h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--heading);
            margin: 1.6em 0 0.5em;
            line-height: 1.35;
        }
        .content-area h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--heading);
            margin: 1.4em 0 0.4em;
        }
        .content-area p {
            margin: 1em 0;
        }
        .content-area strong {
            font-weight: 700;
            color: var(--heading);
        }
        .content-area a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-thickness: 1.5px;
            text-underline-offset: 3px;
            transition: all var(--transition);
        }
        .content-area a:hover {
            color: var(--primary-dark);
            text-decoration-thickness: 2px;
        }
        .content-area ul,
        .content-area ol {
            margin: 1em 0;
            padding-left: 1.6em;
        }
        .content-area ul {
            list-style: disc;
        }
        .content-area ol {
            list-style: decimal;
        }
        .content-area li {
            margin: 0.35em 0;
            padding-left: 0.2em;
        }
        .content-area li::marker {
            color: var(--primary);
        }
        .content-area blockquote {
            margin: 1.5em 0;
            padding: 18px 22px;
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-soft);
            font-style: italic;
            font-size: 1rem;
        }
        .content-area blockquote p {
            margin: 0;
        }
        .content-area img {
            border-radius: var(--radius);
            margin: 1.5em auto;
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }
        .content-area code {
            background: var(--bg-alt);
            padding: 3px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: #e11d48;
        }
        .content-area pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.5em 0;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .content-area pre code {
            background: none;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }
        .content-area hr {
            border: none;
            border-top: 2px solid var(--border-light);
            margin: 2.5em 0;
        }
        .content-area table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.95rem;
        }
        .content-area th,
        .content-area td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .content-area th {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--heading);
        }

        /* ========== NOT FOUND ========== */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 40px auto;
            max-width: 560px;
        }
        .not-found-icon {
            font-size: 4rem;
            margin-bottom: 16px;
        }
        .not-found-state h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .not-found-state p {
            color: var(--text-soft);
            margin-bottom: 24px;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
        }
        .btn-back:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
            transform: translateY(-1px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-alt);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 32px;
            letter-spacing: -0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .related-card__img {
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .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(1.04);
        }
        .related-card__body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card__tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-bg);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }
        .related-card__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card__title a {
            color: inherit;
            transition: color var(--transition);
        }
        .related-card__title a:hover {
            color: var(--primary);
        }
        .related-card__date {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-top: auto;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: #cbd5e1;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 2px solid transparent;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: #94a3b8;
        }
        .cta-form input:focus {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
        }
        .cta-btn {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
            cursor: pointer;
            border: none;
        }
        .cta-btn:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.45);
            transform: translateY(-2px);
        }
        .cta-btn:active {
            transform: translateY(0);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #94a3b8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #e2e8f0;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer-col a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: #64748b;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .nav-links-wrapper {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-white);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 24px 40px;
                gap: 6px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-links-wrapper.open {
                right: 0;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: 1rem;
            }
            .nav-cta-btn {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-overlay {
                display: block;
                pointer-events: none;
                opacity: 0;
            }
            .nav-overlay.active {
                pointer-events: auto;
                opacity: 1;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-hero {
                padding: 28px 0 32px;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-excerpt {
                font-size: 0.95rem;
                padding-left: 14px;
            }
            .content-area {
                font-size: 1rem;
            }
            .content-area h2 {
                font-size: 1.35rem;
            }
            .content-area h3 {
                font-size: 1.15rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-btn {
                width: 100%;
                text-align: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .not-found-state {
                margin: 20px;
                padding: 50px 16px;
            }
        }
        @media (max-width: 520px) {
            .site-header .container-custom {
                height: 56px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo__icon {
                font-size: 1.3rem;
            }
            .article-featured-img {
                border-radius: var(--radius);
            }
            .article-hero h1 {
                font-size: 1.25rem;
            }
            .related-card__body {
                padding: 14px 16px 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #6366f1;
            --color-primary-dark: #4f46e5;
            --color-primary-light: #a5b4fc;
            --color-primary-bg: #eef2ff;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-bg: #fffbeb;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-dark: #1e293b;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            html {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 12px;
            }
            html {
                font-size: 14px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.8;
        }

        .nav-logo__icon {
            font-size: 1.5rem;
            line-height: 1;
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition-fast);
            margin-left: 8px;
            box-shadow: var(--shadow-sm);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: var(--radius-sm);
            gap: 5px;
            z-index: 1010;
            padding: 0;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--color-border-light);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 3px;
            transition: all var(--transition-normal);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 990;
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }

        .nav-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links-wrapper {
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                max-width: 85vw;
                height: 100vh;
                background: var(--color-surface);
                flex-direction: column;
                align-items: stretch;
                padding: 80px 20px 30px;
                gap: 6px;
                box-shadow: var(--shadow-xl);
                z-index: 1005;
                transition: right var(--transition-slow);
                overflow-y: auto;
            }
            .nav-links-wrapper.active {
                right: 0;
            }
            .nav-overlay {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
                justify-content: flex-start;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            flex: 1;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            padding: 16px 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border);
            user-select: none;
        }

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

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            padding: 72px 0 64px;
            background: linear-gradient(135deg, #1e293b 0%, #334155 40%, #1e293b 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            text-align: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 41, 59, 0.85) 0%, rgba(30, 41, 59, 0.7) 100%);
            z-index: 1;
        }

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

        .category-hero__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: var(--radius-xl);
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            font-size: 2.5rem;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .category-hero__title {
            font-size: 2.75rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .category-hero__title .accent {
            color: var(--color-accent);
        }

        .category-hero__desc {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .category-hero__stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }

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

        .category-hero__stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

        .category-hero__stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero__title {
                font-size: 2rem;
            }
            .category-hero__desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .category-hero__stats {
                gap: 24px;
            }
            .category-hero__stat-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero__title {
                font-size: 1.6rem;
            }
            .category-hero__icon {
                width: 56px;
                height: 56px;
                font-size: 1.8rem;
            }
            .category-hero__stats {
                gap: 16px;
            }
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            padding: 20px 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 64px;
            z-index: 100;
        }

        .filter-bar__inner {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding-bottom: 4px;
        }

        .filter-bar__inner::-webkit-scrollbar {
            display: none;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            white-space: nowrap;
            background: var(--color-border-light);
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            user-select: none;
        }

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

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        /* ========== ARTICLE GRID ========== */
        .articles-section {
            padding: 48px 0 64px;
        }

        .articles-section__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .articles-section__title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .articles-section__count {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 400;
        }

        .articles-section__sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
        }

        .articles-section__sort select {
            padding: 7px 12px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text);
            font-size: 0.875rem;
            cursor: pointer;
            transition: border-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 32px;
        }

        .articles-section__sort select:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

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

        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
            box-shadow: var(--shadow-xs);
        }

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

        .article-card__image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-border-light);
        }

        .article-card__image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-card:hover .article-card__image {
            transform: scale(1.06);
        }

        .article-card__tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
            z-index: 1;
        }

        .article-card__tag.featured {
            background: var(--color-accent);
            color: #1e293b;
        }

        .article-card__body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .article-card__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
            letter-spacing: -0.005em;
        }

        .article-card:hover .article-card__title {
            color: var(--color-primary);
        }

        .article-card__excerpt {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: 8px;
            border-top: 1px solid var(--color-border-light);
            gap: 8px;
            flex-wrap: wrap;
        }

        .article-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-card__views {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ========== HOT RANKING SIDEBAR (inline section) ========== */
        .ranking-section {
            padding: 48px 0 64px;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .ranking-section__title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.01em;
        }

        .ranking-section__title .icon {
            font-size: 1.6rem;
        }

        .ranking-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .ranking-item__number {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            color: #fff;
            background: var(--color-text-muted);
        }

        .ranking-item:nth-child(1) .ranking-item__number {
            background: linear-gradient(135deg, #f59e0b, #ef4444);
        }

        .ranking-item:nth-child(2) .ranking-item__number {
            background: linear-gradient(135deg, #94a3b8, #64748b);
        }

        .ranking-item:nth-child(3) .ranking-item__number {
            background: linear-gradient(135deg, #cd853f, #a0522d);
        }

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

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

        .ranking-item:hover .ranking-item__title {
            color: var(--color-primary);
        }

        .ranking-item__views {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
        }

        .faq-section__title {
            text-align: center;
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 36px;
            letter-spacing: -0.01em;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-item__question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            font-weight: 600;
            font-size: 0.975rem;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-item__arrow {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

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

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            top: -80px;
            right: -60px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -50px;
            left: -40px;
            pointer-events: none;
        }

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

        .cta-section__title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section__desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 2px solid transparent;
            font-size: 0.95rem;
            background: #fff;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
            outline: none;
        }

        .cta-form button {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--color-accent);
            color: #1e293b;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-md);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        @media (max-width: 520px) {
            .cta-form {
                flex-direction: column;
                gap: 10px;
            }
            .cta-form input,
            .cta-form button {
                width: 100%;
                text-align: center;
            }
            .cta-section__title {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #cbd5e1;
            padding: 48px 0 28px;
            margin-top: auto;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.875rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.825rem;
            color: #64748b;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1.5px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text);
        }

        .pagination a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-bg);
        }

        .pagination .active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }

        .pagination .dots {
            border: none;
            background: transparent;
            color: var(--color-text-muted);
            width: auto;
            padding: 0 4px;
        }