/* roulang page: index */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243860;
            --color-accent: #c9973b;
            --color-accent-hover: #b8862d;
            --color-accent-light: #f5e6cc;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fb;
            --color-bg-dark: #0f1724;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-text-on-dark: #e5e7eb;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.16);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --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);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: box-shadow var(--transition-normal);
        }
        .header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(26,39,68,0.04);
        }
        .nav-links a.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 22px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #ffffff !important;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
            color: #ffffff !important;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(26,39,68,0.06);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .mobile-menu .nav-cta {
            margin-top: 8px;
            text-align: center;
            justify-content: center;
            display: flex;
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: flex; }
            .header-inner { padding: 0 16px; }
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: var(--header-height);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,36,0.88) 0%, rgba(26,39,68,0.78) 40%, rgba(15,23,36,0.85) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201,151,59,0.15) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 60px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201,151,59,0.18);
            color: #e8c97a;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(201,151,59,0.25);
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero h1 .highlight {
            color: #e8c97a;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #c5cdd8;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201,151,59,0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.35);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: 8px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #e8c97a;
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: #9ca3af;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 480px;
                background-position: 40% center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .hero-content {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn {
                justify-content: center;
            }
            .hero-stats {
                gap: 14px;
            }
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: #a0aab5;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== FEATURES GRID ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* ===== CATEGORY CARDS ===== */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            background: var(--color-bg-dark);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,23,36,0.9) 0%, rgba(15,23,36,0.3) 50%, rgba(15,23,36,0.05) 100%);
            z-index: 1;
        }
        .category-card-content {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            color: #fff;
            width: 100%;
        }
        .category-card-content .cat-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.78rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .category-card-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card-content p {
            font-size: 0.9rem;
            color: #c5cdd8;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .category-cards {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 200px;
            }
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateX(2px);
        }
        .news-thumb {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e5e7eb;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info .news-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }
        .news-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-info .news-time {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

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

        /* ===== STATS BAR ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 24px 16px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #e8c97a;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-desc {
            font-size: 0.9rem;
            color: #9ca3af;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        /* ===== HIGHLIGHT BLOCKS ===== */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .highlight-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .highlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .highlight-text h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .highlight-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }
        .highlight-list li .check-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #d1fae5;
            color: #059669;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .highlight-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d1d5db;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            color: var(--color-text);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            color: var(--color-accent);
            font-weight: 700;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(0deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a3050 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201,151,59,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #c5cdd8;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== FOOTER ===== */
        .footer {
            background: #0d1520;
            color: #a0aab5;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #7a8490;
        }
        .footer h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e5e7eb;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: #7a8490;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #e8c97a;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7280;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== UTILITIES ===== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mt-2 { margin-top: 8px; }
        .mt-4 { margin-top: 16px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-4 { margin-bottom: 16px; }

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

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #25254a;
            --accent: #e94560;
            --accent-hover: #d63851;
            --gold: #f0a500;
            --gold-light: #fbbf24;
            --bg: #f8f9fa;
            --bg-alt: #f0f2f5;
            --surface: #ffffff;
            --text: #2d3436;
            --text-secondary: #636e72;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f3f4f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 2px 12px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ========== Reset & Base ========== */
        *,*::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;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
        h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
        h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
        h4 { font-size: 1.1rem; }

        /* ========== Container ========== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ========== Header & Navigation ========== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .logo:hover { color: var(--accent); }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--accent);
            background: rgba(233,69,96,0.06);
        }
        .nav-links a.active {
            color: var(--accent);
            background: rgba(233,69,96,0.1);
            font-weight: 700;
        }
        .nav-links a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 10px 22px;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(233,69,96,0.3);
        }
        .nav-links a.nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(233,69,96,0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            cursor: pointer;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover { background: var(--bg-alt); }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.3s ease;
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 14px 18px;
                border-radius: var(--radius);
            }
            .mobile-menu-btn { display: block; }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-secondary); transition: color var(--transition); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { color: var(--border); user-select: none; }
        .breadcrumb .current { color: var(--accent); font-weight: 600; }

        /* ========== Category Banner ========== */
        .cat-banner {
            position: relative;
            padding: 70px 0;
            background: var(--primary-light);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.7) 60%, rgba(233,69,96,0.3) 100%);
            z-index: 1;
        }
        .cat-banner .container { position: relative; z-index: 2; }
        .cat-banner-content {
            max-width: 700px;
        }
        .cat-banner .cat-label {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .cat-banner h1 {
            color: #fff;
            font-size: clamp(2rem, 5vw, 3rem);
            margin-bottom: 12px;
        }
        .cat-banner .cat-desc {
            color: rgba(255,255,255,0.85);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cat-banner-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cat-banner-stats .stat-item {
            color: #fff;
            text-align: center;
        }
        .cat-banner-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold-light);
            line-height: 1;
        }
        .cat-banner-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .cat-banner { padding: 48px 0; }
            .cat-banner-stats { gap: 16px; }
            .cat-banner-stats .stat-num { font-size: 1.5rem; }
        }

        /* ========== Filter Tags ========== */
        .filter-section {
            padding: 28px 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-tags .filter-label {
            font-weight: 700;
            color: var(--text);
            margin-right: 4px;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .filter-tag {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-alt);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            user-select: none;
        }
        .filter-tag:hover {
            color: var(--accent);
            background: rgba(233,69,96,0.06);
            border-color: rgba(233,69,96,0.2);
        }
        .filter-tag.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 2px 8px rgba(233,69,96,0.25);
        }
        @media (max-width: 520px) {
            .filter-tags { gap: 6px; }
            .filter-tag { padding: 6px 14px; font-size: 0.82rem; }
        }

        /* ========== Articles Grid ========== */
        .articles-section {
            padding: 48px 0 56px;
            background: var(--bg);
        }
        .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: 20px; }
        }

        /* ========== Article Card ========== */
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .article-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.06);
        }
        .article-card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
            letter-spacing: 0.03em;
        }
        .article-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            line-height: 1.45;
            color: var(--primary);
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card:hover .article-card-body h3 { color: var(--accent); }
        .article-card-body .card-excerpt {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .article-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card-meta .meta-views {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card-meta .meta-views::before {
            content: '👁';
            font-size: 0.85rem;
        }
        .article-card-meta .meta-date::before {
            content: '📅';
            font-size: 0.85rem;
        }

        /* ========== Pagination ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            padding: 20px 0 40px;
        }
        .pagination {
            display: flex;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }
        .pagination .page-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--surface);
            color: var(--text-secondary);
            border: 2px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            user-select: none;
        }
        .pagination .page-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(233,69,96,0.04);
        }
        .pagination .page-btn.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 2px 8px rgba(233,69,96,0.3);
        }
        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== Hot Section ========== */
        .hot-section {
            padding: 56px 0;
            background: var(--surface);
            border-top: 1px solid var(--border-light);
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h2 .icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            background: var(--bg);
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
        }
        .hot-list-item:hover {
            border-color: var(--accent);
            background: rgba(233,69,96,0.03);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .hot-rank {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            background: var(--accent);
            color: #fff;
        }
        .hot-list-item:nth-child(1) .hot-rank { background: #e94560; }
        .hot-list-item:nth-child(2) .hot-rank { background: #f0a500; }
        .hot-list-item:nth-child(3) .hot-rank { background: #3b82f6; }
        .hot-list-item:nth-child(4) .hot-rank { background: #8b5cf6; }
        .hot-info h4 {
            font-size: 0.95rem;
            color: var(--primary);
            margin-bottom: 2px;
            transition: color var(--transition);
        }
        .hot-list-item:hover .hot-info h4 { color: var(--accent); }
        .hot-info span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .hot-list { grid-template-columns: 1fr; }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
            background: var(--bg);
        }
        .faq-section .section-header { margin-bottom: 36px; }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--primary);
            font-size: 1rem;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.9) 0%, rgba(37,37,74,0.85) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(233,69,96,0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(233,69,96,0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

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

/* roulang page: article */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #263A5E;
            --color-accent: #E8A850;
            --color-accent-hover: #D4953A;
            --color-cta: #D44C2F;
            --color-cta-hover: #B83D25;
            --color-bg: #F8F9FA;
            --color-white: #FFFFFF;
            --color-text: #2D3436;
            --color-text-light: #636E72;
            --color-text-lighter: #909CA0;
            --color-border: #DFE6E9;
            --color-border-light: #EDF1F3;
            --color-tag-bg: #F0F4F8;
            --color-tag-text: #1B2A4A;
            --color-success: #27AE60;
            --color-card-shadow: rgba(27, 42, 74, 0.06);
            --color-card-shadow-hover: rgba(27, 42, 74, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(27, 42, 74, 0.05);
            --shadow-md: 0 4px 16px rgba(27, 42, 74, 0.08);
            --shadow-lg: 0 8px 32px rgba(27, 42, 74, 0.12);
            --shadow-xl: 0 16px 48px rgba(27, 42, 74, 0.16);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --max-width-article: 780px;
            --header-height: 68px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
        }

        *, *::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);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        input, textarea {
            font-family: inherit;
        }

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

        .container-narrow {
            width: 100%;
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* ========== HEADER / NAV ========== */
        .header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
        }

        .nav-cta {
            background: var(--color-cta) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 22px !important;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 8px rgba(212, 76, 47, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-cta-hover) !important;
            box-shadow: 0 4px 16px rgba(212, 76, 47, 0.35) !important;
            transform: translateY(-1px);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            z-index: 1001;
        }

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

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-lg);
            padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
            flex-direction: column;
            gap: 4px;
            z-index: 999;
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-base);
        }

        .mobile-menu.active {
            display: flex;
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            background: var(--color-tag-bg);
            color: var(--color-primary);
        }

        .mobile-menu a.mobile-cta {
            background: var(--color-cta);
            color: #fff;
            text-align: center;
            font-weight: 600;
            margin-top: 8px;
            border-radius: var(--radius-md);
        }

        .mobile-menu a.mobile-cta:hover {
            background: var(--color-cta-hover);
            color: #fff;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }

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

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

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

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

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
            pointer-events: none;
        }

        /* ========== ARTICLE MAIN ========== */
        .article-page {
            flex: 1;
            padding-bottom: var(--spacing-2xl);
        }

        .article-hero {
            background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            border-bottom: 1px solid var(--color-border-light);
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        .article-category-tag::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--color-text-lighter);
        }

        .article-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--color-text-light);
            line-height: 1.6;
            max-width: 640px;
        }

        .article-featured-image {
            margin-top: var(--spacing-md);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--color-border-light);
        }

        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        .article-body-section {
            padding: var(--spacing-lg) 0;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2em 0 0.8em;
            padding-bottom: 0.5em;
            border-bottom: 2px solid var(--color-border-light);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 1.6em 0 0.6em;
        }

        .article-content p {
            margin-bottom: 1.2em;
        }

        .article-content ul,
        .article-content ol {
            margin: 0.8em 0 1.2em 1.5em;
        }

        .article-content li {
            margin-bottom: 0.4em;
        }

        .article-content blockquote {
            margin: 1.5em 0;
            padding: var(--spacing-md) var(--spacing-md);
            background: var(--color-tag-bg);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
            font-size: 1.05rem;
        }

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

        .article-content a {
            color: var(--color-cta);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--color-cta-hover);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.95rem;
        }

        .article-content th,
        .article-content td {
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            text-align: left;
        }

        .article-content th {
            background: var(--color-tag-bg);
            font-weight: 600;
            color: var(--color-primary);
        }

        /* ========== EMPTY STATE ========== */
        .empty-state {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-sm);
        }

        .empty-state-icon {
            font-size: 4rem;
            margin-bottom: var(--spacing-md);
            opacity: 0.7;
        }

        .empty-state h2 {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }

        .empty-state p {
            color: var(--color-text-light);
            margin-bottom: var(--spacing-md);
            font-size: 1.05rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(27, 42, 74, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 4px 18px rgba(27, 42, 74, 0.35);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(232, 168, 80, 0.25);
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 18px rgba(232, 168, 80, 0.35);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: var(--spacing-xs);
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.3px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .related-card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--color-border-light);
        }

        .related-card-body {
            padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-date {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }

        .related-empty {
            text-align: center;
            padding: var(--spacing-lg);
            color: var(--color-text-light);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .faq-item summary {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 1rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(0deg);
        }

        .faq-item .faq-answer {
            margin-top: 12px;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section .section-label {
            color: var(--color-accent);
            justify-content: center;
        }

        .cta-section .section-label::before {
            background: var(--color-accent);
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.85;
            margin-bottom: var(--spacing-md);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-accent {
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-lg);
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            opacity: 0.7;
            line-height: 1.6;
        }

        .footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-links a {
            font-size: 0.9rem;
            opacity: 0.7;
            transition: all var(--transition-fast);
        }

        .footer-links a:hover {
            opacity: 1;
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

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

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

            .article-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-sm);
            }

            .nav-links {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

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

            .article-title {
                font-size: 1.5rem;
            }

            .article-excerpt {
                font-size: 1rem;
            }

            .article-content {
                font-size: 1rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

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

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 60px;
            }

            .logo {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }

            .article-title {
                font-size: 1.3rem;
            }

            .article-hero {
                padding: var(--spacing-md) 0 var(--spacing-sm);
            }

            .container-narrow {
                padding: 0 12px;
            }

            .breadcrumb-wrap {
                padding: 8px 0;
            }

            .faq-item {
                padding: var(--spacing-sm);
            }

            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }

            .cta-section {
                padding: var(--spacing-xl) 0;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

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