/* roulang page: index */
:root {
            --color-primary: #1a2d4a;
            --color-primary-light: #243b5e;
            --color-primary-dark: #0f1c30;
            --color-accent: #e8a817;
            --color-accent-light: #f5c84e;
            --color-accent-dark: #c48a0c;
            --color-danger: #d94040;
            --color-bg: #f6f7f9;
            --color-bg-alt: #edf0f4;
            --color-card: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6170;
            --color-text-muted: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #f0f1f4;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(232, 168, 23, 0.25);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --header-height: 68px;
            --max-width: 1260px;
        }

        *,
        *::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);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 28px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-accent-dark);
        }
        .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: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-bg-alt);
            font-weight: 700;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 20px 24px;
            min-width: 320px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            z-index: 1001;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .nav-mega-trigger:hover .nav-mega-panel,
        .nav-mega-panel:hover {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }
        .nav-mega-panel .mega-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            background: var(--color-bg-alt);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .nav-mega-panel .mega-tag:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 24px;
            background: var(--color-accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-accent);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-light);
            color: #1a1a2e;
            box-shadow: 0 6px 28px rgba(232, 168, 23, 0.35);
            transform: translateY(-1px);
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            background: var(--color-bg-alt);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-btn:hover {
            background: var(--color-border);
        }
        #mobile-nav-panel {
            display: none;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(26, 45, 74, 0.88) 0%, rgba(15, 28, 48, 0.94) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(232, 168, 23, 0.18) 0%, transparent 60%);
            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;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 168, 23, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(232, 168, 23, 0);
            }
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            background: var(--color-accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            color: #1a1a2e;
            box-shadow: 0 8px 30px rgba(232, 168, 23, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat {
            color: #fff;
        }
        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-accent-light);
            letter-spacing: -0.01em;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            background: rgba(26, 45, 74, 0.06);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-img-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .card-tag {
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #1a1a2e;
        }
        .card-tag.secondary {
            background: rgba(255, 255, 255, 0.9);
            color: var(--color-primary);
        }
        .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .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;
        }
        .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: 6px;
            border-top: 1px solid var(--color-border-light);
        }
        .card-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-text-muted);
            flex-shrink: 0;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .feature-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .feature-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .feature-text p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }
        .feature-list li i {
            color: var(--color-accent-dark);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 24px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            background: var(--color-primary-light);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 24px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            background: rgba(26, 45, 74, 0.04);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--color-primary);
            padding: 40px 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent-light);
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .stat-divider {
            width: 1px;
            background: rgba(255, 255, 255, 0.2);
            margin: 0 auto;
            height: 48px;
            align-self: center;
        }

        /* ========== NEWS LIST SECTION ========== */
        .news-list-section {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }
        .news-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .news-list-header h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: var(--color-bg-alt);
            padding-left: 12px;
            padding-right: 12px;
            margin: 0 -12px;
            border-radius: var(--radius-md);
            border-bottom-color: transparent;
        }
        .news-list-item .news-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .news-list-item:nth-child(-n+3) .news-num {
            background: var(--color-accent);
            color: #1a1a2e;
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-title {
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.95rem;
            line-height: 1.4;
        }
        .news-list-item .news-summary {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 3px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-badge-row {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-top: 4px;
        }
        .news-badge-sm {
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(26, 45, 74, 0.06);
            color: var(--color-primary);
            font-weight: 600;
        }
        .news-time-sm {
            font-size: 0.72rem;
            color: var(--color-text-muted);
        }
        .news-empty {
            text-align: center;
            padding: 32px;
            color: var(--color-text-muted);
            font-size: 1rem;
        }

        /* ========== FAQ ========== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 20px 22px;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .faq-item .faq-q {
            font-weight: 700;
            color: var(--color-text);
            font-size: 1rem;
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .faq-item .faq-q i {
            color: var(--color-accent-dark);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .faq-item .faq-a {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            padding-left: 24px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 60%, rgba(232, 168, 23, 0.15) 0%, transparent 55%);
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 900;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 14px 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 44px 0 28px;
            margin-top: 16px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1a1a2e;
            font-weight: 900;
            font-size: 0.85rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-image-wrap {
                aspect-ratio: 16 / 9;
                order: -1;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-divider {
                display: none;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            #mobile-nav-panel {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                z-index: 999;
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                overflow-y: auto;
            }
            #mobile-nav-panel.open {
                display: flex;
            }
            #mobile-nav-panel a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-weight: 600;
                color: var(--color-text);
                font-size: 1rem;
                transition: all var(--transition-fast);
            }
            #mobile-nav-panel a:hover,
            #mobile-nav-panel a.active {
                background: var(--color-bg-alt);
                color: var(--color-primary);
            }
            #mobile-nav-panel .mobile-cta {
                margin-top: 12px;
                text-align: center;
                padding: 13px;
                border-radius: 24px;
                background: var(--color-accent);
                color: #1a1a2e;
                font-weight: 700;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .section {
                padding: 40px 0;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-list-section {
                padding: 20px 16px;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .nav-mega-panel {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 14px;
                flex-wrap: wrap;
            }
            .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-value {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #e94560;
            --color-accent-hover: #d63851;
            --color-accent-soft: #fde8ec;
            --color-gold: #f0a500;
            --color-gold-light: #fff8e7;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f1f5;
            --color-surface: #ffffff;
            --color-surface-hover: #f8f9fc;
            --color-text: #1a1a2e;
            --color-text-strong: #0d0d1a;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-border-strong: #d1d5db;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --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 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 12px 48px rgba(0,0,0,0.12);
            --shadow-accent: 0 4px 20px rgba(233,69,96,0.25);
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Noto Sans SC', 'Inter', sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        *, *::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(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            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; outline: none; }
        input, textarea { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: 700; color: var(--color-text-strong); }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover { opacity: 0.85; }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-accent), #c0392b);
            color: #fff;
            font-weight: 900;
            font-size: 0.85rem;
            letter-spacing: 0;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover { color: var(--color-text); background: var(--color-bg-alt); }
        .nav-links a.active {
            color: #fff;
            background: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }
        .nav-links a.active:hover { background: var(--color-accent-hover); }

        .nav-mega-trigger { position: relative; }
        .nav-mega-trigger > a { cursor: pointer; }
        .nav-mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 12px 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            min-width: 260px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            z-index: 1001;
        }
        .nav-mega-trigger:hover .nav-mega-panel,
        .nav-mega-trigger:focus-within .nav-mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .nav-mega-panel .mega-tag {
            display: inline-block;
            padding: 7px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-weak);
            background: var(--color-bg-alt);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-mega-panel .mega-tag:hover {
            color: #fff;
            background: var(--color-accent);
        }

        /* mobile nav toggle */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }
        .nav-mobile-close {
            display: none;
            position: absolute;
            top: 16px;
            right: 20px;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            cursor: pointer;
            z-index: 1003;
        }

        /* ========== MAIN LAYOUT ========== */
        .main-content { flex: 1; padding: 32px 0 60px; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }
        .article-main { min-width: 0; }
        .article-sidebar { position: sticky; top: calc(var(--nav-height) + 28px); }

        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a { color: var(--color-text-weak); transition: color var(--transition-fast); }
        .breadcrumb a:hover { color: var(--color-accent); }
        .breadcrumb .sep { color: var(--color-border-strong); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--color-text); font-weight: 600; }

        /* ========== ARTICLE HEADER ========== */
        .article-header { margin-bottom: 28px; }
        .article-category-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 700;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .article-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text-strong);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            padding-bottom: 20px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i { font-size: 0.85rem; color: var(--color-text-muted); }
        .article-meta .meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border-strong); }

        /* ========== ARTICLE FEATURED IMAGE ========== */
        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body {
            font-size: 1.06rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 36px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--color-accent);
            color: var(--color-text-strong);
            line-height: 1.35;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 28px 0 12px;
            color: var(--color-text-strong);
        }
        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 22px 0 10px;
            color: var(--color-text-strong);
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 20px 24px;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-body li::marker { color: var(--color-accent); }
        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: var(--color-gold-light);
            border-left: 4px solid var(--color-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: #5c3d00;
            font-size: 1rem;
        }
        .article-body blockquote p { margin-bottom: 0; }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-body a {
            color: var(--color-accent);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover { color: var(--color-accent-hover); }
        .article-body strong { color: var(--color-text-strong); font-weight: 700; }
        .article-body code {
            background: var(--color-bg-alt);
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.9em;
            font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            color: var(--color-accent);
        }
        .article-body pre {
            background: var(--color-primary);
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 32px 0;
        }

        /* ========== ARTICLE FOOTER ========== */
        .article-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid var(--color-border-light);
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags .tags-label {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-strong);
            margin-right: 4px;
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.84rem;
            font-weight: 500;
            background: var(--color-bg-alt);
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .article-tags .tag:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-xs);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--color-accent); font-size: 0.9rem; }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .sidebar-post-item:last-child { border-bottom: none; padding-bottom: 0; }
        .sidebar-post-item:hover { opacity: 0.8; }
        .sidebar-post-thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .sidebar-post-info { min-width: 0; }
        .sidebar-post-title {
            font-size: 0.9rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .sidebar-post-item:hover .sidebar-post-title { color: var(--color-accent); }
        .sidebar-post-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta-card h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 8px;
            border-bottom: none;
            padding-bottom: 0;
            justify-content: center;
        }
        .sidebar-cta-card p {
            font-size: 0.88rem;
            opacity: 0.85;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .sidebar-cta-btn {
            display: inline-block;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-accent);
        }
        .sidebar-cta-btn:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-lg); }

        /* ========== RELATED POSTS SECTION ========== */
        .related-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--color-border-light);
        }
        .related-section .section-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 22px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i { color: var(--color-accent); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
        }
        .related-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }
        .related-card-body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; }
        .related-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text-strong);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .related-card-desc {
            font-size: 0.84rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .related-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== NOT FOUND ========== */
        .not-found-block {
            text-align: center;
            padding: 80px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .not-found-block .nf-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .not-found-block h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 10px;
        }
        .not-found-block p {
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }
        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-accent);
        }
        .btn-back-home:hover { background: var(--color-accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 900;
            font-size: 0.7rem;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: #94a3b8; }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover { color: #fff; }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 28px; }
            .article-sidebar { position: static; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-mobile-toggle { display: block; }
            .nav-links.nav-open {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 0;
                right: 0;
                width: 280px;
                height: 100vh;
                background: var(--color-surface);
                padding: 72px 24px 24px;
                box-shadow: var(--shadow-xl);
                z-index: 1002;
                gap: 4px;
                align-items: stretch;
            }
            .nav-links.nav-open a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                padding: 4px 0 4px 12px;
                min-width: auto;
                background: transparent;
                flex-direction: column;
            }
            .nav-mega-trigger:hover .nav-mega-panel { transform: none; }
            .nav-mobile-close.nav-open { display: block; }
            .nav-open .nav-mobile-close { display: block; }
            .article-title { font-size: 1.4rem; }
            .article-body { font-size: 0.98rem; }
            .article-body h2 { font-size: 1.25rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .header-inner { padding: 0 16px; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .article-meta { gap: 10px; font-size: 0.82rem; }
            .article-title { font-size: 1.25rem; }
            .article-body { font-size: 0.94rem; }
            .article-body h2 { font-size: 1.15rem; margin: 24px 0 12px; padding-left: 12px; }
            .breadcrumb { font-size: 0.8rem; }
            .site-footer { padding: 36px 0 20px; }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a2744;
            --primary-light: #243356;
            --primary-dark: #0f1a2e;
            --accent: #e8533f;
            --accent-hover: #d43d2a;
            --accent-light: #fef0ee;
            --gold: #c8956c;
            --gold-light: #fdf6f0;
            --bg: #f4f5f7;
            --bg-white: #ffffff;
            --bg-dark: #1a2744;
            --bg-darker: #101a2e;
            --text: #1d1f27;
            --text-secondary: #5a5d66;
            --text-muted: #8b8f99;
            --text-light: #b0b5c0;
            --border: #e2e5eb;
            --border-light: #eef0f4;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.07);
            --shadow: 0 4px 16px rgba(0,0,0,0.09);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--accent); }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }
        h1 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
        h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); }
        h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }
        h4 { font-size: 1.05rem; }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
        }
        .container-narrow {
            max-width: 960px;
        }

        /* ========== Header & 导航 ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 32px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            transition: opacity var(--transition);
        }
        .logo-link:hover {
            color: var(--primary);
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent), #d43d2a);
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links > a,
        .nav-mega-trigger > a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links > a:hover,
        .nav-mega-trigger > a:hover {
            color: var(--primary);
            background: #f8f9fb;
        }
        .nav-links > a.active,
        .nav-mega-trigger > a.active {
            color: var(--accent);
            background: var(--accent-light);
            font-weight: 600;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger > a::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-left: 5px;
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .nav-mega-trigger:hover > a::after {
            transform: rotate(180deg);
        }
        .nav-mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            min-width: 280px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-slow);
            z-index: 1001;
        }
        .nav-mega-trigger:hover .nav-mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            background: #f8f9fb;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .mega-tag:hover {
            background: var(--accent-light);
            color: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-search {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            background: #f8f9fb;
            transition: all var(--transition);
            font-size: 1rem;
        }
        .btn-search:hover {
            background: var(--accent-light);
            color: var(--accent);
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: #f8f9fb;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            z-index: 1002;
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
        .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ========== 移动端导航抽屉 ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-nav-overlay.active {
            opacity: 1;
        }
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--bg-white);
            z-index: 1000;
            padding: 80px 24px 24px;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }
        .mobile-nav-drawer.active {
            transform: translateX(0);
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--text);
            transition: all var(--transition);
            margin-bottom: 4px;
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            background: var(--accent-light);
            color: var(--accent);
        }
        .mobile-nav-drawer .mega-sub {
            padding-left: 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .mobile-nav-divider {
            height: 1px;
            background: var(--border-light);
            margin: 12px 0;
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 56px 0 48px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,39,68,0.92) 0%, rgba(26,39,68,0.78) 50%, rgba(16,26,46,0.9) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color var(--transition);
        }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb .sep {
            color: rgba(255,255,255,0.4);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }
        .page-banner h1 {
            color: #fff;
            font-size: clamp(1.6rem, 3.2vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }
        .page-banner .banner-sub {
            color: rgba(255,255,255,0.75);
            font-size: 1rem;
            max-width: 600px;
        }
        .banner-stats {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.85);
            font-size: 0.9rem;
        }
        .banner-stat-item .stat-num {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
        }
        .banner-stat-item i {
            color: var(--gold);
            font-size: 0.85rem;
        }

        /* ========== 信息快讯条 ========== */
        .flash-news-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
            overflow: hidden;
        }
        .flash-news-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            animation: scrollNews 25s linear infinite;
        }
        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .flash-badge i {
            font-size: 0.6rem;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .flash-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            color: var(--text-secondary);
            font-size: 0.88rem;
            flex-shrink: 0;
        }
        .flash-item .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        @keyframes scrollNews {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ========== 主内容区三栏布局 ========== */
        .main-content {
            padding: 40px 0 60px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 240px 1fr 300px;
            gap: 28px;
            align-items: start;
        }

        /* 左侧栏 */
        .sidebar-left {
            position: sticky;
            top: 84px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border-light);
            margin-bottom: 16px;
        }
        .sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4::before {
            content: '';
            width: 3px;
            height: 16px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .filter-tags {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .filter-tag {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fafbfc;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: var(--accent-light);
            color: var(--accent);
            border-color: rgba(232,83,63,0.2);
            font-weight: 600;
        }
        .filter-tag .count {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: #eef0f4;
            padding: 2px 8px;
            border-radius: 10px;
        }
        .filter-tag.active .count {
            background: rgba(232,83,63,0.15);
            color: var(--accent);
        }
        .hot-rank-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 9px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .hot-rank-list li:last-child { border-bottom: none; }
        .hot-rank-list li:hover { padding-left: 4px; }
        .rank-num {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.78rem;
            flex-shrink: 0;
            color: #fff;
        }
        .rank-num.r1 { background: #e8533f; }
        .rank-num.r2 { background: #e8933f; }
        .rank-num.r3 { background: #c8956c; }
        .rank-num.rn { background: #b0b5c0; }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info a {
            font-size: 0.84rem;
            font-weight: 500;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .rank-info a:hover { color: var(--accent); }
        .rank-views {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* 中间主栏 */
        .content-main { min-width: 0; }
        .content-main-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .content-main-header h2 {
            font-size: 1.4rem;
            font-weight: 700;
        }
        .sort-tabs {
            display: flex;
            gap: 4px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 4px;
            border: 1px solid var(--border-light);
        }
        .sort-tab {
            padding: 7px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .sort-tab:hover { color: var(--text); }
        .sort-tab.active {
            background: var(--primary);
            color: #fff;
        }
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-card {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .article-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .article-card-img {
            width: 200px;
            min-width: 200px;
            height: 140px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.06);
        }
        .article-card-img .hot-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3px;
        }
        .article-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.45;
        }
        .article-card-body h3 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .article-card-body h3 a:hover { color: var(--accent); }
        .article-card-excerpt {
            font-size: 0.86rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.55;
            margin-bottom: 8px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .article-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .tag-green { background: #eaf7ee; color: #2d8a4e; }
        .tag-orange { background: #fef5ee; color: #d4782f; }
        .tag-purple { background: #f3effa; color: #6b4ca3; }
        .tag-gold { background: #fdf6f0; color: #b87a3a; }

        /* 右侧栏 */
        .sidebar-right {
            position: sticky;
            top: 84px;
        }
        .sidebar-right .sidebar-card {
            margin-bottom: 16px;
        }
        .pick-card {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .pick-card:last-child { border-bottom: none; }
        .pick-card:hover { padding-left: 3px; }
        .pick-card-img {
            width: 72px;
            height: 54px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .pick-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .pick-card-info {
            flex: 1;
            min-width: 0;
        }
        .pick-card-info a {
            font-size: 0.83rem;
            font-weight: 500;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
            color: var(--text);
        }
        .pick-card-info a:hover { color: var(--accent); }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tag-cloud .cloud-tag {
            padding: 6px 13px;
            background: #f8f9fb;
            border-radius: 16px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            font-weight: 500;
        }
        .tag-cloud .cloud-tag:hover {
            background: var(--accent-light);
            color: var(--accent);
        }

        /* ========== 精选推荐区 ========== */
        .section-featured {
            padding: 48px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h2::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .featured-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.05);
        }
        .featured-card-img .tag {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }
        .featured-card-body {
            padding: 16px;
        }
        .featured-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .featured-card-body h3 a { color: var(--text); }
        .featured-card-body h3 a:hover { color: var(--accent); }
        .featured-card-body p {
            font-size: 0.84rem;
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .section-faq {
            padding: 56px 0;
        }
        .section-faq .section-header {
            text-align: center;
            justify-content: center;
        }
        .section-faq .section-header h2::before { display: none; }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #d0d5dd;
        }
        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: 0 20px 18px;
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .section-cta {
            padding: 56px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
            text-align: center;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,39,68,0.94) 0%, rgba(16,26,46,0.9) 100%);
            z-index: 1;
        }
        .section-cta .container {
            position: relative;
            z-index: 2;
        }
        .section-cta h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-cta p {
            color: rgba(255,255,255,0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232,83,63,0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(232,83,63,0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.4);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1rem;
            border-radius: 30px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 900;
            font-size: 0.8rem;
            border-radius: 6px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin-top: 8px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .content-layout {
                grid-template-columns: 220px 1fr 260px;
                gap: 20px;
            }
        }
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 260px;
            }
            .sidebar-left {
                display: none;
            }
            .article-card-img {
                width: 160px;
                min-width: 160px;
                height: 120px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner { height: 56px; }
            .nav-links { display: none; }
            .header-actions .btn-search { display: none; }
            .mobile-menu-btn { display: flex; }
            .mobile-nav-overlay { display: block; }
            .mobile-nav-drawer { display: block; }
            .content-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-right {
                position: static;
                order: 3;
            }
            .content-main {
                order: 1;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card-img {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .page-banner {
                padding: 36px 0 32px;
            }
            .banner-stats { gap: 16px; }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .section-featured { padding: 32px 0; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .container { padding: 0 16px; }
            .section-faq { padding: 36px 0; }
            .section-cta { padding: 40px 0; }
            .main-content { padding: 24px 0 40px; }
            .flash-news-bar { padding: 8px 0; }
        }
        @media (max-width: 520px) {
            .article-card-body h3 { font-size: 0.95rem; }
            .article-card-excerpt { font-size: 0.8rem; }
            .banner-stats { flex-direction: column; gap: 8px; }
            .sort-tabs { font-size: 0.78rem; }
            .sort-tab { padding: 6px 10px; }
            .content-main-header h2 { font-size: 1.2rem; }
            .page-banner h1 { font-size: 1.4rem; }
            .article-card-meta { gap: 8px; font-size: 0.75rem; }
        }

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