/* roulang page: index */
:root {
            --color-primary: #3A5A6E;
            --color-primary-deep: #2C4657;
            --color-primary-light: #E8EFF3;
            --color-accent: #C8916D;
            --color-accent-deep: #B07D58;
            --color-accent-light: #F5EDE6;
            --color-bg: #FAF7F4;
            --color-bg-warm: #F6F2ED;
            --color-surface: #FFFFFF;
            --color-text: #2D2D2D;
            --color-text-soft: #5A5A5A;
            --color-text-muted: #8A8A8A;
            --color-border: #E8E3DE;
            --color-border-light: #F0ECE7;
            --color-success: #5A8A6A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.09), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.11), 0 8px 20px rgba(0,0,0,0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'Times New Roman', serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 60px;
            --space-2xl: 80px;
            --space-3xl: 100px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

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

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--space-lg);
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }

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

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--space-lg);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

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

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

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-link.active {
            font-weight: 600;
        }

        .nav-link .nav-arrow {
            font-size: 0.65rem;
            transition: transform var(--transition-fast);
            display: inline-block;
        }

        .nav-item.mega-parent:hover .nav-link .nav-arrow {
            transform: rotate(180deg);
        }

        /* Mega Menu Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: var(--space-lg);
            width: 560px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
            z-index: 1001;
        }

        .nav-item.mega-parent:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }

        .mega-col h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-text-muted);
            margin-bottom: var(--space-sm);
            padding-bottom: var(--space-xs);
            border-bottom: 1px solid var(--color-border-light);
            font-weight: 600;
        }

        .mega-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-col ul li a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }

        .mega-col ul li a:hover {
            background: var(--color-bg-warm);
            color: var(--color-primary);
        }

        .mega-featured {
            background: var(--color-bg-warm);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .mega-featured .mega-feat-img {
            width: 100%;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .mega-featured span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .mega-featured small {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            background: transparent;
            z-index: 1002;
            padding: 0;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav */
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-wrapper {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100vh;
                background: var(--color-surface);
                flex-direction: column;
                align-items: stretch;
                padding: 100px var(--space-md) var(--space-lg);
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-base);
                z-index: 1001;
                gap: 0;
                overflow-y: auto;
            }

            .nav-wrapper.open {
                right: 0;
            }

            .nav-list {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }

            .nav-item {
                width: 100%;
            }

            .nav-link {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
                justify-content: space-between;
            }

            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                padding: 0 var(--space-sm) var(--space-sm);
                grid-template-columns: 1fr;
                display: none;
                background: transparent;
            }

            .nav-item.mega-parent.open-mobile .mega-panel {
                display: grid;
            }

            .nav-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0,0,0,0.35);
                z-index: 1000;
                opacity: 0;
                visibility: hidden;
                transition: all var(--transition-base);
            }

            .nav-overlay.show {
                opacity: 1;
                visibility: visible;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(170deg, #3A5A6E 0%, #2C4657 35%, #1E3645 100%);
            overflow: hidden;
            color: #fff;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            mix-blend-mode: overlay;
        }

        .hero-wave {
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            z-index: 2;
            pointer-events: none;
        }

        .hero-wave svg {
            display: block;
            width: 100%;
            height: auto;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--space-2xl) var(--space-md);
            width: 100%;
        }

        @media (min-width: 768px) {
            .hero-content {
                padding: var(--space-3xl) var(--space-lg);
            }
            .hero {
                min-height: 650px;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
            backdrop-filter: blur(6px);
            color: rgba(255,255,255,0.95);
        }

        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #7EC8A0;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-sm);
            line-height: 1.25;
        }

        .hero h1 .highlight {
            color: #E8C9A0;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.78);
            max-width: 580px;
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.2rem;
            }
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200,145,109,0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-deep);
            color: #fff;
            box-shadow: 0 6px 24px rgba(200,145,109,0.45);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.8);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            border-radius: 50px;
        }

        .btn-ghost {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border);
        }

        .btn-ghost:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary-deep);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--space-2xl) 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--space-xs);
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-xs);
        }

        .section-header p {
            color: var(--color-text-soft);
            max-width: 560px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        .section-bg-warm {
            background: var(--color-bg-warm);
        }

        /* ========== FEATURES GRID ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }

        @media (min-width: 600px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-lg);
            }
        }

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

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

        .feature-card .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: var(--space-md);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--space-xs);
        }

        .feature-card p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-entry-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
            align-items: center;
        }

        @media (min-width: 768px) {
            .category-entry-block {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }

        .category-entry-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .category-entry-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .category-entry-visual .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5));
            border-radius: var(--radius-lg);
        }

        .category-entry-visual .cat-tag {
            position: absolute;
            bottom: var(--space-md);
            left: var(--space-md);
            background: rgba(255,255,255,0.9);
            color: var(--color-text);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .category-entry-info h2 {
            font-size: 1.6rem;
            margin-bottom: var(--space-sm);
        }

        .category-entry-info p {
            color: var(--color-text-soft);
            margin-bottom: var(--space-md);
            line-height: 1.7;
        }

        .cat-stats {
            display: flex;
            gap: var(--space-lg);
            margin-bottom: var(--space-md);
        }

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

        .cat-stat strong {
            display: block;
            font-size: 1.6rem;
            color: var(--color-primary);
        }

        .cat-stat span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== CMS LIST ========== */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .cms-list-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .cms-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }

        .cms-list-item .cms-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-warm);
        }

        .cms-list-item .cms-info {
            flex: 1;
            min-width: 0;
        }

        .cms-list-item .cms-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .cms-list-item .cms-info .cms-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .cms-list-item .cms-info .cms-excerpt {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin-top: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-list-item .cms-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            align-self: center;
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
        }

        .cms-list-item:hover .cms-arrow {
            transform: translateX(4px);
            color: var(--color-primary);
        }

        .cms-empty {
            text-align: center;
            padding: var(--space-xl);
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        @media (max-width: 520px) {
            .cms-list-item {
                flex-wrap: wrap;
            }
            .cms-list-item .cms-thumb {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            text-align: center;
        }

        @media (min-width: 600px) {
            .stats-bar {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--space-lg);
            }
        }

        .stat-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .stat-block .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
        }

        .stat-block .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 4px;
        }

        /* ========== CONTENT CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space-md);
        }

        @media (min-width: 600px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-lg);
            }
        }

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

        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .content-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .content-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .content-card .card-body {
            padding: var(--space-md);
        }

        .content-card .card-body .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            background: var(--color-accent-light);
            color: var(--color-accent-deep);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.03em;
        }

        .content-card .card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .content-card .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        .content-card .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: var(--space-xs);
        }

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

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--space-md);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            cursor: pointer;
            background: transparent;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-bg-warm);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-primary);
            transition: transform var(--transition-fast);
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary-deep), var(--color-primary));
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-md);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -50px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 1;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
        }

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

        .cta-section .btn-primary {
            background: #fff;
            color: var(--color-primary-deep);
            box-shadow: 0 6px 24px rgba(0,0,0,0.25);
        }

        .cta-section .btn-primary:hover {
            background: #f0ebe4;
            color: var(--color-primary-deep);
            box-shadow: 0 8px 30px rgba(0,0,0,0.3);
        }

        .subscribe-form {
            display: flex;
            gap: var(--space-xs);
            max-width: 420px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 50px;
            background: rgba(255,255,255,0.15);
            border: 1.5px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 0.9rem;
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .subscribe-form input:focus {
            border-color: rgba(255,255,255,0.6);
            background: rgba(255,255,255,0.2);
        }

        .subscribe-form button {
            padding: 12px 26px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--color-accent-deep);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(255,255,255,0.75);
            padding: var(--space-2xl) 0 var(--space-lg);
        }

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

        @media (min-width: 600px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            text-transform: uppercase;
        }

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-col .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

        .footer-col .footer-desc {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }

        /* ========== UTILITY ========== */
        .text-center { text-align: center; }
        .mt-sm { margin-top: var(--space-sm); }
        .mt-md { margin-top: var(--space-md); }
        .mt-lg { margin-top: var(--space-lg); }
        .mb-sm { margin-bottom: var(--space-sm); }
        .mb-md { margin-bottom: var(--space-md); }

        /* ========== RESPONSIVE EXTRA ========== */
        @media (max-width: 520px) {
            :root {
                --space-2xl: 50px;
                --space-3xl: 60px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .cat-stats {
                gap: var(--space-sm);
                flex-wrap: wrap;
            }
            .cat-stat strong {
                font-size: 1.3rem;
            }
            .stat-block .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .hero {
                min-height: 500px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Smooth scroll offset for sticky header */
        html {
            scroll-padding-top: var(--nav-height);
        }

/* roulang page: article */
:root {
            --color-primary: #1e3a5f;
            --color-primary-light: #2c5282;
            --color-primary-dark: #152c47;
            --color-accent: #b8860b;
            --color-accent-light: #d4a430;
            --color-accent-soft: #fdf3dc;
            --color-bg: #faf8f5;
            --color-bg-alt: #f5f1eb;
            --color-bg-warm: #fefcf9;
            --color-surface: #ffffff;
            --color-text: #2d3748;
            --color-text-strong: #1a202c;
            --color-text-weak: #6b7d8e;
            --color-text-muted: #a0aec0;
            --color-border: #e2ddd6;
            --color-border-light: #ede8e1;
            --color-success: #38a169;
            --color-warning: #d69e2e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px 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 16px 48px rgba(0,0,0,0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width-content: 720px;
            --max-width-container: 1200px;
            --header-height: 68px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--color-text-strong);
            line-height: 1.35;
            font-weight: 700;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container-narrow {
            width: 100%;
            max-width: var(--max-width-content);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            width: 100%;
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover {
            opacity: 0.82;
            color: var(--color-primary-dark);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        /* Nav Toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            z-index: 1001;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text-strong);
            border-radius: 3px;
            transition: all var(--transition-base);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Nav Wrapper */
        .nav-wrapper {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .nav-link.active {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .mega-parent:hover .nav-arrow {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            min-width: 420px;
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-md);
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-base);
            z-index: 999;
        }
        .mega-parent:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-col {
            flex: 1;
        }
        .mega-col h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            font-weight: 600;
        }
        .mega-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mega-col ul li a {
            display: block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .mega-col ul li a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .mega-featured {
            display: flex;
            flex-direction: column;
            gap: 6px;
            width: 180px;
            flex-shrink: 0;
            padding: 8px;
            background: var(--color-bg-warm);
            border-radius: var(--radius-md);
        }
        .mega-feat-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .mega-featured span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-strong);
            line-height: 1.3;
        }
        .mega-featured small {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            line-height: 1.4;
        }

        /* Nav Overlay */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.35);
            z-index: 998;
        }
        .nav-overlay.active {
            display: block;
        }

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

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: var(--spacing-md) 0 var(--spacing-xs);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }
        .breadcrumb a {
            color: var(--color-text-weak);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-text-strong);
            font-weight: 500;
        }

        /* ========== ARTICLE HEADER ========== */
        .article-header-section {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }
        .article-header-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .article-cover-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 21/9;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .article-cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-cover-wrap:hover img {
            transform: scale(1.02);
        }
        .article-cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(0,0,0,0.35) 0%, transparent 100%);
            pointer-events: none;
        }
        .article-header-body {
            padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
        }
        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-sm);
        }
        .article-category-badge {
            display: inline-block;
            padding: 5px 14px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .article-category-badge:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }
        .article-reading-time {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-title-main {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: var(--spacing-sm);
        }
        .article-excerpt {
            font-size: 1.1rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-section {
            padding: var(--spacing-lg) 0;
        }
        .article-body {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            line-height: 2;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }
        .article-body h2 {
            font-family: var(--font-sans);
            font-size: 1.55rem;
            margin-top: 2em;
            margin-bottom: 0.7em;
            color: var(--color-text-strong);
            font-weight: 700;
            padding-bottom: 0.4em;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-body h3 {
            font-family: var(--font-sans);
            font-size: 1.25rem;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--color-text-strong);
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.4em;
            text-indent: 2em;
        }
        .article-body p:first-of-type {
            text-indent: 0;
        }
        .article-body img {
            margin: 1.8em auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-body blockquote {
            margin: 1.8em 0;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--color-bg-warm);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--color-text-weak);
            font-size: 1.05rem;
        }
        .article-body blockquote p {
            margin-bottom: 0;
            text-indent: 0;
        }
        .article-body ul, .article-body ol {
            margin: 1.2em 0;
            padding-left: 1.8em;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
        }
        .article-body a:hover {
            color: var(--color-accent-light);
        }
        .article-body strong {
            color: var(--color-text-strong);
            font-weight: 700;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 2em 0;
        }
        .article-body code {
            background: var(--color-bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SFMono-Regular', 'Consolas', 'Monaco', monospace;
            color: var(--color-primary-dark);
        }
        .article-body pre {
            background: #1e2a3a;
            color: #e2e8f0;
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }

        /* ========== AUTHOR CARD ========== */
        .author-card-section {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }
        .author-card {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-xs);
        }
        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            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: 1.5rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .author-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-strong);
            margin-bottom: 4px;
        }
        .author-info p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        /* ========== RECOMMENDED ========== */
        .recommended-section {
            padding: var(--spacing-xl) 0;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            margin: 0 var(--spacing-md);
        }
        .recommended-section .container {
            padding: 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--spacing-lg);
            letter-spacing: 0.01em;
        }
        .recommended-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .rec-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .rec-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .rec-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .rec-card-cat {
            font-size: 0.75rem;
            color: var(--color-accent);
            font-weight: 600;
        }
        .rec-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-strong);
            line-height: 1.4;
            flex: 1;
        }
        .rec-card-title a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .rec-card-title a:hover {
            color: var(--color-accent);
        }
        .rec-card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            margin: var(--spacing-lg) var(--spacing-md) 0;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(184,134,11,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(30,58,95,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 580px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .cta-inner h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--spacing-sm);
        }
        .cta-inner p {
            font-size: 1rem;
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-md);
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--color-border);
            border-radius: 28px;
            font-size: 0.95rem;
            background: var(--color-bg-warm);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(184,134,11,0.1);
            background: #fff;
        }
        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }
        .btn-subscribe {
            padding: 12px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-subscribe:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-subscribe:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        /* Not Found State */
        .not-found-section {
            padding: var(--spacing-2xl) 0;
            text-align: center;
        }
        .not-found-icon {
            font-size: 4rem;
            margin-bottom: var(--spacing-md);
            opacity: 0.7;
        }
        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--spacing-sm);
        }
        .not-found-section p {
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-md);
            font-size: 1.05rem;
        }
        .btn-back {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .btn-back:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e2a3a;
            color: #cbd5e0;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a0aec0;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #e2e8f0;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: #a0aec0;
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: #718096;
        }
        .footer-bottom a {
            color: #a0aec0;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .recommended-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-title-main {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-wrapper {
                position: fixed;
                top: 0;
                right: -300px;
                width: 280px;
                height: 100vh;
                background: var(--color-surface);
                box-shadow: var(--shadow-xl);
                flex-direction: column;
                align-items: stretch;
                padding: 80px var(--spacing-md) var(--spacing-md);
                transition: right var(--transition-base);
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-wrapper.active {
                right: 0;
            }
            .nav-list {
                flex-direction: column;
                gap: 4px;
                align-items: stretch;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .mega-panel {
                position: static;
                min-width: auto;
                box-shadow: none;
                border: none;
                padding: 8px 0 8px 16px;
                flex-direction: column;
                gap: 12px;
                opacity: 1;
                visibility: visible;
                transform: none;
                display: none;
                background: transparent;
            }
            .mega-panel.open {
                display: flex;
            }
            .mega-featured {
                width: 100%;
            }
            .mega-parent:hover .mega-panel {
                opacity: 1;
                visibility: visible;
                transform: none;
            }
            .article-cover-wrap {
                aspect-ratio: 16/9;
            }
            .article-header-body {
                padding: var(--spacing-md);
            }
            .article-title-main {
                font-size: 1.45rem;
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.85;
            }
            .article-body p {
                text-indent: 1.5em;
            }
            .recommended-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .recommended-section {
                margin: 0 var(--spacing-sm);
                border-radius: var(--radius-lg);
            }
            .cta-section {
                margin: var(--spacing-lg) var(--spacing-sm) 0;
                border-radius: var(--radius-lg);
            }
            .author-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .recommended-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .article-title-main {
                font-size: 1.3rem;
            }
            .article-header-body {
                padding: var(--spacing-sm);
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.8;
            }
            .article-body p {
                text-indent: 1.2em;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
            .btn-subscribe {
                width: 100%;
                text-align: center;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px;
            }
            .container-narrow {
                padding: 0 var(--spacing-sm);
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #2c3e50;
            --color-primary-light: #3d566e;
            --color-primary-dark: #1a2634;
            --color-accent: #c8963e;
            --color-accent-light: #d4a85c;
            --color-accent-soft: #f0e0c4;
            --color-warm: #e07b5a;
            --color-warm-light: #f5ddd6;
            --bg-page: #faf8f5;
            --bg-card: #ffffff;
            --bg-soft: #f3f0eb;
            --bg-deep: #1a2634;
            --bg-deep-alt: #212f3d;
            --text-primary: #2d2d2d;
            --text-secondary: #5c5c5c;
            --text-muted: #8a8a8a;
            --text-light: #c4c0ba;
            --text-on-dark: #e8e4df;
            --border-color: #e8e5e1;
            --border-light: #f0ede9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.05);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', Georgia, serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --header-height: 72px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
        input { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text-primary); }
        h1 { font-size: 2.5rem; font-weight: 700; }
        h2 { font-size: 2rem; font-weight: 700; }
        h3 { font-size: 1.5rem; font-weight: 600; }
        h4 { font-size: 1.2rem; font-weight: 600; }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }
        .container-narrow { max-width: 960px; margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255,255,255,0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .header-inner {
            max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo-link {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.3rem; font-weight: 700; color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover { color: var(--color-accent); }
        .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff; font-size: 1.1rem; font-weight: 700; flex-shrink: 0;
        }
        .nav-wrapper { display: flex; align-items: center; }
        .nav-list { display: flex; align-items: center; gap: 4px; }
        .nav-link {
            display: inline-flex; align-items: center; gap: 4px;
            padding: 8px 16px; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            transition: all var(--transition-fast); white-space: nowrap;
            position: relative;
        }
        .nav-link:hover { color: var(--color-primary); background: var(--bg-soft); }
        .nav-link.active { color: var(--color-accent); font-weight: 600; background: var(--color-accent-soft); }
        .nav-arrow { font-size: 0.7rem; opacity: 0.6; transition: transform var(--transition-fast); }
        .mega-parent:hover .nav-arrow { transform: rotate(180deg); opacity: 1; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-xs); }
        .nav-toggle span {
            display: block; width: 24px; height: 2px;
            background: var(--color-primary); border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* Mega Panel */
        .mega-parent { position: relative; }
        .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); border: 1px solid var(--border-color);
            display: flex; gap: 24px; padding: 24px 28px; min-width: 520px;
            opacity: 0; visibility: hidden; pointer-events: none;
            transition: all var(--transition-base);
            z-index: 1001;
        }
        .mega-parent:hover .mega-panel,
        .mega-panel:hover { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
        .mega-col { flex: 1; }
        .mega-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 12px; font-weight: 600; }
        .mega-col ul { display: flex; flex-direction: column; gap: 6px; }
        .mega-col ul li a {
            display: block; padding: 6px 10px; border-radius: var(--radius-sm);
            font-size: 0.9rem; color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mega-col ul li a:hover { background: var(--bg-soft); color: var(--color-primary); }
        .mega-featured {
            display: flex; flex-direction: column; gap: 6px;
            width: 200px; flex-shrink: 0;
        }
        .mega-feat-img { width: 100%; height: 110px; object-fit: cover; border-radius: var(--radius-sm); }
        .mega-featured span { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
        .mega-featured small { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }
        .nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.3); z-index: 999; opacity: 0; transition: opacity var(--transition-base); }
        .nav-overlay.show { opacity: 1; }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative; overflow: hidden;
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
            color: #fff; padding: 64px 0 56px;
            min-height: 280px; display: flex; align-items: center;
        }
        .page-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18; z-index: 0;
        }
        .page-banner::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,150,62,0.25) 0%, transparent 65%);
            z-index: 0;
        }
        .banner-wave {
            position: absolute; bottom: -2px; left: 0; width: 100%; z-index: 2; pointer-events: none;
            line-height: 0;
        }
        .banner-wave svg { width: 100%; height: auto; display: block; }
        .banner-content { position: relative; z-index: 1; }
        .banner-breadcrumb {
            display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
            color: rgba(255,255,255,0.75); margin-bottom: 16px; flex-wrap: wrap;
        }
        .banner-breadcrumb a { color: rgba(255,255,255,0.85); transition: color var(--transition-fast); }
        .banner-breadcrumb a:hover { color: #fff; }
        .banner-breadcrumb .sep { opacity: 0.5; }
        .banner-title { font-size: 2.8rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 12px; }
        .banner-subtitle { font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 640px; line-height: 1.6; }
        .banner-stats { display: flex; gap: 32px; margin-top: 20px; flex-wrap: wrap; }
        .banner-stat { text-align: center; }
        .banner-stat-val { font-size: 2rem; font-weight: 700; color: var(--color-accent-light); }
        .banner-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.7); margin-top: 2px; }

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

        /* Filter Bar */
        .filter-section { padding: 24px 0; background: #fff; border-bottom: 1px solid var(--border-color); position: sticky; top: var(--header-height); z-index: 100; }
        .filter-inner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
        .filter-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); white-space: nowrap; margin-right: 4px; }
        .filter-tag {
            display: inline-flex; align-items: center; padding: 7px 16px; border-radius: 24px;
            font-size: 0.88rem; font-weight: 500; color: var(--text-secondary);
            background: var(--bg-soft); border: 1.5px solid transparent;
            cursor: pointer; transition: all var(--transition-fast); white-space: nowrap;
            user-select: none;
        }
        .filter-tag:hover { background: #e8e4dc; color: var(--text-primary); }
        .filter-tag.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 600; }
        .filter-count { font-size: 0.75rem; opacity: 0.7; margin-left: 4px; }

        /* Article Grid */
        .articles-section { padding: 48px 0 56px; }
        .articles-section .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 12px; }
        .articles-section .section-header h2 { font-size: 1.6rem; font-weight: 700; }
        .articles-section .section-header .result-count { font-size: 0.9rem; color: var(--text-muted); }
        .articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .article-card {
            background: #fff; border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex; flex-direction: column;
            border: 1px solid var(--border-light);
            cursor: pointer;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #e0dcd5;
        }
        .article-card-image { position: relative; overflow: hidden; height: 200px; flex-shrink: 0; }
        .article-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
        .article-card:hover .article-card-image img { transform: scale(1.04); }
        .article-card-tag {
            position: absolute; top: 12px; left: 12px;
            padding: 4px 12px; border-radius: 20px;
            font-size: 0.75rem; font-weight: 600; color: #fff;
            background: var(--color-accent);
            z-index: 1;
            letter-spacing: 0.03em;
        }
        .article-card-body { padding: 20px 20px 24px; display: flex; flex-direction: column; flex: 1; }
        .article-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-card-body h3 a { color: var(--text-primary); transition: color var(--transition-fast); }
        .article-card-body h3 a:hover { color: var(--color-accent); }
        .article-card-excerpt { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; margin-bottom: 14px; }
        .article-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); }
        .article-card-meta .cat { color: var(--color-accent); font-weight: 500; }
        .article-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-muted); opacity: 0.5; }

        /* No results */
        .no-results { text-align: center; padding: 48px 24px; display: none; }
        .no-results.visible { display: block; }
        .no-results-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.6; }
        .no-results h3 { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 6px; }
        .no-results p { color: var(--text-muted); font-size: 0.9rem; }

        /* Hot Ranking Section */
        .hot-section { padding: 48px 0 56px; background: var(--bg-soft); }
        .hot-section .section-header { text-align: center; margin-bottom: 36px; }
        .hot-section .section-header h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 6px; }
        .hot-section .section-header p { color: var(--text-muted); font-size: 0.95rem; }
        .hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .hot-card {
            background: #fff; border-radius: var(--radius-lg); padding: 24px 20px;
            text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: all var(--transition-base); position: relative; overflow: hidden;
        }
        .hot-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .hot-rank {
            display: inline-flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 50%;
            font-size: 1.1rem; font-weight: 700; margin-bottom: 12px;
            background: var(--color-primary); color: #fff;
        }
        .hot-card:nth-child(1) .hot-rank { background: linear-gradient(135deg, #c8963e, #e0b860); }
        .hot-card:nth-child(2) .hot-rank { background: linear-gradient(135deg, #8899aa, #a0b0c0); }
        .hot-card:nth-child(3) .hot-rank { background: linear-gradient(135deg, #b07840, #c89058); }
        .hot-card h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
        .hot-card .hot-val { font-size: 1.4rem; font-weight: 700; color: var(--color-accent); }
        .hot-card .hot-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

        /* Featured Block */
        .featured-block { padding: 56px 0; }
        .featured-inner {
            display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
        }
        .featured-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .featured-image img { width: 100%; height: 380px; object-fit: cover; display: block; }
        .featured-text h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: 16px; }
        .featured-text p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; font-size: 1rem; }
        .featured-text .featured-meta { display: flex; gap: 16px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap; }

        /* CTA Subscribe */
        .cta-section { padding: 56px 0; background: var(--bg-soft); }
        .cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl); padding: 48px 40px;
            color: #fff; text-align: center; position: relative; overflow: hidden;
        }
        .cta-card::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(200,150,62,0.2) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-card > * { position: relative; z-index: 1; }
        .cta-card h2 { font-size: 1.8rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
        .cta-card p { color: rgba(255,255,255,0.85); font-size: 1rem; margin-bottom: 24px; max-width: 500px; margin-left: auto; margin-right: auto; }
        .cta-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
        .cta-form input {
            flex: 1; min-width: 220px; padding: 13px 18px;
            border-radius: 28px; border: 2px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.15); color: #fff;
            font-size: 0.95rem; outline: none; transition: all var(--transition-fast);
            backdrop-filter: blur(4px);
        }
        .cta-form input::placeholder { color: rgba(255,255,255,0.6); }
        .cta-form input:focus { border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.22); }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 600; border-radius: 28px; transition: all var(--transition-base); cursor: pointer; white-space: nowrap; padding: 13px 28px; font-size: 0.95rem; }
        .btn-primary { background: var(--color-accent); color: #fff; border: none; }
        .btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-ghost { background: transparent; color: var(--color-primary); border: 2px solid var(--border-color); }
        .btn-ghost:hover { border-color: var(--color-primary); background: var(--color-primary); color: #fff; }
        .btn-sm { padding: 8px 18px; font-size: 0.82rem; }
        .btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.4); }
        .btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.7); }

        /* FAQ */
        .faq-section { padding: 56px 0 64px; }
        .faq-section .section-header { text-align: center; margin-bottom: 36px; }
        .faq-section .section-header h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 6px; }
        .faq-section .section-header p { color: var(--text-muted); font-size: 0.95rem; }
        .faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin: 0 auto; }
        .faq-item { background: #fff; border-radius: var(--radius-md); border: 1px solid var(--border-light); overflow: hidden; transition: all var(--transition-fast); }
        .faq-item:hover { border-color: #ddd8cf; }
        .faq-question {
            width: 100%; text-align: left; padding: 20px 24px;
            font-size: 1rem; font-weight: 600; color: var(--text-primary);
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
            background: none; border: none; cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover { color: var(--color-accent); }
        .faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: all var(--transition-fast); color: var(--text-muted); }
        .faq-item.open .faq-icon { background: var(--color-accent); color: #fff; transform: rotate(45deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-base), padding var(--transition-base); }
        .faq-item.open .faq-answer { max-height: 300px; }
        .faq-answer-inner { padding: 0 24px 20px; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }

        /* ===== FOOTER ===== */
        .site-footer { background: var(--bg-deep); color: var(--text-on-dark); padding: 48px 0 24px; margin-top: auto; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-logo { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
        .footer-desc { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; max-width: 360px; }
        .footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-light); margin-bottom: 14px; font-weight: 600; }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a { font-size: 0.9rem; color: var(--text-on-dark); transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--color-accent-light); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.82rem; color: var(--text-light); }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .banner-title { font-size: 2.2rem; }
            .articles-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .hot-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .featured-inner { grid-template-columns: 1fr; gap: 28px; }
            .featured-image img { height: 280px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }

        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            .header-inner { padding: 0 16px; }
            .nav-toggle { display: flex; z-index: 1002; }
            .nav-wrapper {
                position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
                background: #fff; flex-direction: column; align-items: flex-start;
                padding: 80px 24px 32px; gap: 8px; z-index: 1000;
                box-shadow: var(--shadow-xl); transition: right var(--transition-base);
                overflow-y: auto;
            }
            .nav-wrapper.open { right: 0; }
            .nav-overlay { display: block; pointer-events: none; }
            .nav-overlay.show { pointer-events: auto; }
            .nav-list { flex-direction: column; width: 100%; gap: 2px; }
            .nav-link { width: 100%; padding: 12px 16px; font-size: 1rem; }
            .mega-panel { position: static; transform: none; box-shadow: none; border: none; min-width: auto; flex-direction: column; padding: 8px 0 8px 20px; opacity: 1; visibility: visible; pointer-events: auto; display: none; }
            .mega-parent.open-mega .mega-panel { display: flex; }
            .mega-parent:hover .mega-panel { transform: none; }
            .mega-featured { width: 100%; }
            .mega-feat-img { height: 80px; }
            .banner-title { font-size: 1.8rem; }
            .banner-stats { gap: 20px; }
            .banner-stat-val { font-size: 1.5rem; }
            .articles-grid { grid-template-columns: 1fr; gap: 16px; }
            .hot-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .filter-inner { gap: 8px; }
            .filter-tag { padding: 6px 12px; font-size: 0.8rem; }
            .cta-card { padding: 32px 20px; }
            .cta-card h2 { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .articles-section { padding: 32px 0 40px; }
            .hot-section { padding: 36px 0 40px; }
            .featured-block { padding: 40px 0; }
            .faq-section { padding: 40px 0 48px; }
            .cta-section { padding: 40px 0; }
        }

        @media (max-width: 520px) {
            .container, .container-narrow { padding: 0 14px; }
            .banner-title { font-size: 1.5rem; }
            .banner-subtitle { font-size: 0.9rem; }
            .page-banner { padding: 40px 0 36px; min-height: 200px; }
            .hot-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .hot-card { padding: 16px 12px; }
            .hot-card h4 { font-size: 0.82rem; }
            .hot-card .hot-val { font-size: 1.2rem; }
            .articles-grid { gap: 14px; }
            .article-card-image { height: 180px; }
            .article-card-body { padding: 14px 14px 18px; }
            .article-card-body h3 { font-size: 0.95rem; }
            .cta-form { flex-direction: column; }
            .cta-form input { min-width: auto; }
            .btn { width: 100%; justify-content: center; }
            .filter-section { top: var(--header-height); }
            .faq-question { padding: 16px 18px; font-size: 0.9rem; }
            .faq-answer-inner { padding: 0 18px 16px; font-size: 0.85rem; }
        }

        /* Animations */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-card { animation: fadeInUp 0.5s ease forwards; }
        .article-card:nth-child(1) { animation-delay: 0.05s; }
        .article-card:nth-child(2) { animation-delay: 0.1s; }
        .article-card:nth-child(3) { animation-delay: 0.15s; }
        .article-card:nth-child(4) { animation-delay: 0.2s; }
        .article-card:nth-child(5) { animation-delay: 0.25s; }
        .article-card:nth-child(6) { animation-delay: 0.3s; }
        .article-card:nth-child(7) { animation-delay: 0.35s; }
        .article-card:nth-child(8) { animation-delay: 0.4s; }
        .article-card:nth-child(9) { animation-delay: 0.45s; }