/* roulang page: index */
:root {
            --color-primary: #1e5bff;
            --color-primary-hover: #3d72ff;
            --color-primary-glow: rgba(30, 91, 255, 0.35);
            --color-accent: #f0b940;
            --color-accent-hover: #f5c85a;
            --color-accent-glow: rgba(240, 185, 64, 0.3);
            --color-bg-deep: #080c16;
            --color-bg-base: #0d111c;
            --color-bg-surface: #131a2a;
            --color-bg-card: #161e30;
            --color-bg-card-hover: #1a2338;
            --color-bg-glass: rgba(13, 17, 28, 0.78);
            --color-bg-glass-solid: rgba(13, 17, 28, 0.95);
            --color-text-primary: #e8ecf4;
            --color-text-secondary: #b4bcc8;
            --color-text-weak: #6e7686;
            --color-text-white: #ffffff;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --color-border-active: rgba(30, 91, 255, 0.5);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow-primary: 0 0 30px rgba(30, 91, 255, 0.25);
            --shadow-glow-accent: 0 0 24px rgba(240, 185, 64, 0.2);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --nav-height: 68px;
            --container-max: 1280px;
            --container-narrow: 960px;
            --section-gap: 80px;
            --section-gap-sm: 50px;
        }

        *,
        *::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: 1.65;
            color: var(--color-text-primary);
            background-color: var(--color-bg-deep);
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(30, 91, 255, 0.06) 0%, transparent 65%),
                radial-gradient(ellipse at 80% 20%, rgba(240, 185, 64, 0.03) 0%, transparent 50%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

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

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-slow);
            background: var(--color-bg-glass);
            backdrop-filter: blur(22px) saturate(140%);
            -webkit-backdrop-filter: blur(22px) saturate(140%);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
        }

        .site-header.scrolled {
            background: var(--color-bg-glass-solid);
            border-bottom: 1px solid var(--color-border-hover);
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
            z-index: 1001;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, #0a3fcc 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            flex-shrink: 0;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-normal);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-text-white);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--color-text-white);
            background: rgba(30, 91, 255, 0.18);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(30, 91, 255, 0.3);
        }

        .nav-link .nav-badge {
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #1a1a1a;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .nav-cta-btn {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 0 40px rgba(30, 91, 255, 0.4);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-white);
            font-size: 1.5rem;
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background-color: var(--color-bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center 40%;
            opacity: 0.45;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(8, 12, 22, 0.55) 0%,
                    rgba(8, 12, 22, 0.75) 40%,
                    rgba(8, 12, 22, 0.92) 80%,
                    var(--color-bg-deep) 100%);
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            filter: blur(180px);
            opacity: 0.3;
            z-index: 0;
            pointer-events: none;
        }

        .hero-glow--blue {
            top: -15%;
            right: -8%;
            background: var(--color-primary);
        }

        .hero-glow--gold {
            bottom: -10%;
            left: -5%;
            background: var(--color-accent);
            opacity: 0.2;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 40px 0 60px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent);
            margin-bottom: 24px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(8px);
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 185, 64, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(240, 185, 64, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.6rem, 5.5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text-white);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-accent) 0%, #ffb800 50%, #f59e0b 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 0 44px rgba(30, 91, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.96);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text-white);
            border: 1.5px solid var(--color-border-hover);
            backdrop-filter: blur(6px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #1a1a1a;
            box-shadow: var(--shadow-glow-accent);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 0 36px rgba(240, 185, 64, 0.45);
            transform: translateY(-2px);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 44px;
            padding-top: 28px;
            border-top: 1px solid var(--color-border);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-white);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

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

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

        .section--bg-img {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .section--bg-img::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 12, 22, 0.88);
            z-index: 0;
        }

        .section--bg-img .container {
            position: relative;
            z-index: 1;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header--left {
            text-align: left;
            margin-bottom: 36px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header--left .section-desc {
            margin: 0;
        }

        /* ========== FEATURES GRID ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .feature-icon--blue {
            background: rgba(30, 91, 255, 0.15);
            color: var(--color-primary);
        }

        .feature-icon--gold {
            background: rgba(240, 185, 64, 0.15);
            color: var(--color-accent);
        }

        .feature-icon--green {
            background: rgba(34, 197, 94, 0.15);
            color: #22c55e;
        }

        .feature-icon--purple {
            background: rgba(168, 85, 247, 0.15);
            color: #a855f7;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== CHANNEL COVER WALL ========== */
        .cover-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .cover-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3 / 4;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
        }

        .cover-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
        }

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

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

        .cover-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    transparent 35%,
                    rgba(0, 0, 0, 0.35) 60%,
                    rgba(0, 0, 0, 0.85) 100%);
            z-index: 1;
        }

        .cover-card-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 20px;
        }

        .cover-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1a1a1a;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .cover-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }

        .cover-card-meta {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .cover-card--featured {
            grid-column: span 2;
            grid-row: span 2;
            aspect-ratio: auto;
        }

        .cover-card--featured .cover-card-title {
            font-size: 1.5rem;
        }

        /* ========== CMS LIST SECTION ========== */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cms-list-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

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

        .cms-list-thumb {
            width: 90px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-surface);
        }

        .cms-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .cms-list-body h4 {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--color-text-white);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-list-body .cms-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .cms-list-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--color-text-weak);
            align-items: center;
        }

        .cms-list-meta .cms-category-tag {
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: rgba(30, 91, 255, 0.15);
            color: var(--color-primary);
            font-weight: 500;
            font-size: 0.75rem;
        }

        .cms-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-weak);
            font-size: 1rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        .cms-view-all {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 24px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cms-view-all:hover {
            color: var(--color-primary-hover);
            gap: 10px;
        }

        /* ========== STATS SECTION ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-card {
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--color-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-text-white);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-number .stat-unit {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--color-accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ========== HOT RANKING ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            counter-reset: rank;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            counter-increment: rank;
        }

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

        .ranking-pos {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
            color: var(--color-text-secondary);
        }

        .ranking-item:nth-child(1) .ranking-pos {
            background: linear-gradient(135deg, #f0b940, #e5a820);
            color: #1a1a1a;
            box-shadow: var(--shadow-glow-accent);
        }

        .ranking-item:nth-child(2) .ranking-pos {
            background: linear-gradient(135deg, #b0b8c4, #8a94a3);
            color: #1a1a1a;
        }

        .ranking-item:nth-child(3) .ranking-pos {
            background: linear-gradient(135deg, #c08a50, #a06830);
            color: #fff;
        }

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

        .ranking-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-white);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-info span {
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        .ranking-badge {
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(240, 185, 64, 0.15);
            color: var(--color-accent);
            white-space: nowrap;
        }

        /* ========== FAQ SECTION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            background: none;
            color: var(--color-text-white);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            border: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-icon {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            text-align: center;
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 12, 22, 0.85);
            z-index: 0;
        }

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

        .cta-title {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-base);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 10px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }

        .footer-bottom a {
            color: var(--color-text-secondary);
        }

        .footer-bottom a:hover {
            color: var(--color-text-white);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cover-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .cover-card--featured {
                grid-column: span 2;
                grid-row: span 1;
                aspect-ratio: 3 / 2;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .hero-stats-row {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 58px;
                --section-gap: 50px;
                --section-gap-sm: 36px;
            }

            .container {
                padding: 0 18px;
            }

            .nav-main {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: var(--color-bg-glass-solid);
                backdrop-filter: blur(30px);
                -webkit-backdrop-filter: blur(30px);
                border-left: 1px solid var(--color-border);
                padding: 90px 24px 30px;
                gap: 4px;
                transition: right var(--transition-slow);
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }

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

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }

            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .mobile-menu-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 998;
            }

            .mobile-menu-overlay.show {
                display: block;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }
            .cover-wall {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .cover-card--featured {
                grid-column: span 2;
                aspect-ratio: 16 / 9;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content {
                padding: 24px 0 40px;
            }
            .hero-stats-row {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-stat {
                flex: 1 1 40%;
                min-width: 100px;
            }
            .cms-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .cms-list-thumb {
                width: 100%;
                height: 140px;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .cover-wall {
                grid-template-columns: 1fr;
            }
            .cover-card--featured {
                grid-column: span 1;
                aspect-ratio: 16 / 10;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                text-align: center;
                justify-content: center;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                text-align: center;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f1123;
            --primary-light: #1a1d3a;
            --accent: #e63946;
            --accent-hover: #c1121f;
            --gold: #f0a500;
            --gold-light: #f9c74f;
            --surface: rgba(255, 255, 255, 0.04);
            --surface-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(15, 17, 35, 0.75);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-primary: #f1f1f3;
            --text-secondary: #b0b3c1;
            --text-muted: #7a7d8f;
            --text-dark: #1a1a2e;
            --white: #ffffff;
            --card-bg: rgba(26, 29, 58, 0.7);
            --card-border: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
            --nav-height: 68px;
        }

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

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

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

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

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

        .container--narrow {
            max-width: 900px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 12, 28, 0.92);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            border-bottom: 1px solid rgba(255, 255, 255, 0.14);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
            color: var(--white);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #ff6b6b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--white);
            flex-shrink: 0;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--white);
            background: var(--surface-hover);
        }

        .nav-link.active {
            color: var(--white);
            background: rgba(230, 57, 70, 0.2);
            font-weight: 600;
        }

        .nav-badge {
            font-size: 0.68rem;
            padding: 2px 7px;
            border-radius: 20px;
            background: var(--accent);
            color: var(--white);
            font-weight: 600;
            letter-spacing: 0.03em;
            animation: pulse-badge 2.2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent), #ff4d5a);
            color: var(--white);
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            margin-left: 8px;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--accent-hover), #e63946);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.5);
            transform: translateY(-1px);
            color: var(--white);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .mobile-toggle:hover {
            background: var(--surface-hover);
        }

        /* ===== ARTICLE BANNER ===== */
        .article-banner {
            position: relative;
            padding: 120px 0 56px;
            background: linear-gradient(180deg, rgba(15, 17, 35, 0.35) 0%, rgba(15, 17, 35, 0.82) 60%, var(--primary) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 30%, rgba(230, 57, 70, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

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

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

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

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

        .article-meta-tags {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .article-cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.2);
            color: #ff8a94;
            border: 1px solid rgba(230, 57, 70, 0.25);
        }

        .article-date-tag {
            font-size: 0.84rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-banner-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            letter-spacing: 0.01em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }

        /* ===== MAIN LAYOUT ===== */
        .article-main {
            padding: 48px 0 60px;
            background: var(--primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-md);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: #d8d9e2;
            word-break: break-word;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--white);
            margin: 32px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(230, 57, 70, 0.3);
            letter-spacing: 0.01em;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #e8e9f0;
            margin: 24px 0 10px;
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            max-width: 100%;
            box-shadow: var(--shadow-sm);
        }

        .article-body ul,
        .article-body ol {
            margin: 12px 0 18px 20px;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 6px;
            color: #c8c9d4;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(230, 57, 70, 0.06);
            margin: 20px 0;
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #c0c1ce;
            font-style: italic;
        }

        .article-body a {
            color: #ff8a94;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

        .article-body a:hover {
            color: #ffb3b9;
        }

        .article-body strong {
            color: #e8e9f0;
            font-weight: 600;
        }

        .article-divider {
            border: none;
            border-top: 1px solid var(--glass-border);
            margin: 36px 0 28px;
        }

        .article-footer-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-footer-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== SIDEBAR ===== */
        .article-sidebar {
            position: sticky;
            top: 88px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }

        .sidebar-card h4 i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition-fast);
        }

        .sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-list a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.45;
            display: block;
            transition: color var(--transition-fast);
        }

        .sidebar-list a:hover {
            color: var(--gold-light);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-tag:hover {
            background: rgba(230, 57, 70, 0.2);
            border-color: rgba(230, 57, 70, 0.4);
            color: #ff8a94;
        }

        /* ===== NOT FOUND ===== */
        .not-found-section {
            padding: 160px 0 100px;
            text-align: center;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .not-found-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            max-width: 520px;
            width: 100%;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-md);
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: block;
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent), #ff4d5a);
            color: var(--white);
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }

        .btn-back:hover {
            background: linear-gradient(135deg, var(--accent-hover), #e63946);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
            color: var(--white);
        }

        /* ===== RECOMMENDED ===== */
        .recommended-section {
            padding: 10px 0 60px;
            background: var(--primary);
        }

        .recommended-section .section-label {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 6px;
        }

        .recommended-section .section-title {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 28px;
            letter-spacing: 0.01em;
        }

        .recommended-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        .rec-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .rec-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .rec-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
        }

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

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

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

        .rec-card-cat {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .rec-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rec-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .rec-card-link {
            position: absolute;
            inset: 0;
            z-index: 2;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 56px 0 64px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            text-align: center;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h3 {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #1a1a2e;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(240, 165, 0, 0.3);
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            box-shadow: 0 10px 30px rgba(240, 165, 0, 0.5);
            transform: translateY(-2px);
            color: #1a1a2e;
        }

        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(240, 165, 0, 0.25);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #080a18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 28px;
            color: var(--text-muted);
        }

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

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--white);
            display: inline-block;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-logo:hover {
            color: var(--gold-light);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: var(--text-muted);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.84rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                top: auto;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card {
                flex: 1 1 240px;
                min-width: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .article-banner {
                padding: 100px 0 44px;
                min-height: 260px;
            }
            .article-banner-title {
                font-size: 1.75rem;
            }
            .article-content-card {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 12, 28, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--glass-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-cta-btn {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 8px;
                padding: 12px 20px;
                font-size: 1rem;
            }
            .article-banner {
                padding: 96px 0 36px;
                min-height: 220px;
            }
            .article-banner-title {
                font-size: 1.45rem;
            }
            .article-content-card {
                padding: 22px 18px;
                border-radius: var(--radius-lg);
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 5px;
            }
            .article-meta-tags {
                gap: 8px;
            }
            .recommended-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h3 {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .sidebar-card {
                flex: 1 1 100%;
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1.15rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .article-banner {
                padding: 88px 0 28px;
                min-height: 190px;
            }
            .article-banner-title {
                font-size: 1.2rem;
            }
            .article-content-card {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
            .article-body {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .recommended-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .rec-card-body {
                padding: 14px 12px 16px;
            }
            .rec-card-title {
                font-size: 0.88rem;
            }
            .cta-section {
                padding: 40px 0 48px;
            }
            .cta-card {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .btn-cta {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .article-banner .breadcrumb {
                font-size: 0.73rem;
            }
            .not-found-card {
                padding: 40px 20px;
            }
            .not-found-icon {
                font-size: 3rem;
            }
            .not-found-card h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #2563eb;
            --color-primary-light: #3b82f6;
            --color-primary-dark: #1d4ed8;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-accent-dark: #d97706;
            --color-bg-deep: #080d18;
            --color-bg-primary: #0f172a;
            --color-bg-secondary: #1a2332;
            --color-bg-card: #162032;
            --color-bg-card-hover: #1c2a3d;
            --color-bg-glass: rgba(15, 23, 42, 0.75);
            --color-bg-glass-solid: rgba(15, 23, 42, 0.95);
            --color-text-primary: #e8ecf1;
            --color-text-secondary: #b0b9c6;
            --color-text-muted: #7a8494;
            --color-text-on-primary: #ffffff;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --color-border-accent: rgba(245, 158, 11, 0.35);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
            --shadow-glow-accent: 0 0 24px rgba(245, 158, 11, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --max-width-container: 1240px;
            --header-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::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: 1.65;
            color: var(--color-text-primary);
            background-color: var(--color-bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: var(--color-bg-glass-solid);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-on-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
            transition: color var(--transition-fast);
        }

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

        .header-logo:hover {
            color: var(--color-accent-light);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 5px 8px;
            transition: all var(--transition-base);
        }

        .site-header.scrolled .nav-main {
            background: rgba(255, 255, 255, 0.03);
            border-color: var(--color-border);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link i {
            font-size: 0.85rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .nav-link:hover {
            color: var(--color-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link:hover i {
            opacity: 1;
        }

        .nav-link.active {
            color: var(--color-text-on-primary);
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(37, 99, 235, 0.4);
        }

        .nav-link.active i {
            opacity: 1;
            color: #fff;
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 8px;
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: 20px;
            background: var(--color-accent);
            color: #1a1a1a;
            line-height: 1.3;
            animation: badgePulse 2.5s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.08);
            }
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #1a1a1a;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
        }

        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
            color: #1a1a1a;
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
        }

        .nav-cta-btn i {
            font-size: 0.8rem;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-on-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

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

        /* ========== CATEGORY BANNER ========== */
        .category-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--color-bg-deep);
            margin-top: 0;
            padding-top: var(--header-height);
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            opacity: 0.55;
            z-index: 0;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(8, 13, 24, 0.55) 0%,
                    rgba(15, 23, 42, 0.8) 50%,
                    rgba(15, 23, 42, 0.95) 100%);
            z-index: 1;
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 60px 24px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

        .breadcrumb-nav a:hover {
            color: var(--color-accent-light);
        }

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

        .breadcrumb-nav .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }

        .category-banner-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
            line-height: 1.25;
        }

        .category-banner-content .banner-subtitle {
            font-size: 1.08rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            max-width: 520px;
            margin: 0 auto 8px;
        }

        .category-stats-row {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 24px;
        }

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

        .category-stat-item .stat-number {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1.2;
        }

        .category-stat-item .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* ========== FILTER BAR ========== */
        .filter-section {
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: var(--header-height);
            z-index: 50;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .filter-inner {
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-muted);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-label i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding-bottom: 2px;
        }

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

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            border-radius: 24px;
            font-size: 0.84rem;
            font-weight: 500;
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: rgba(255, 255, 255, 0.04);
            color: var(--color-text-secondary);
            border: 1px solid transparent;
            user-select: none;
        }

        .filter-tag:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text-primary);
            border-color: var(--color-border-light);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.84rem;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .filter-sort select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            color: var(--color-text-primary);
            padding: 7px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.84rem;
            font-family: inherit;
            cursor: pointer;
            transition: border-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            padding-right: 32px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b0b9c6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
        }

        .filter-sort select:hover,
        .filter-sort select:focus {
            border-color: var(--color-border-light);
            outline: none;
        }

        /* ========== MAIN CONTENT ========== */
        .category-main {
            padding: var(--section-gap-sm) 0 var(--section-gap);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .article-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .article-card-image-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-deep);
        }

        .article-card-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .article-card:hover .article-card-image-wrapper img {
            transform: scale(1.06);
        }

        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 3;
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #1a1a1a;
            letter-spacing: 0.03em;
        }

        .article-card-tag.tag-football {
            background: #3b82f6;
            color: #fff;
        }

        .article-card-tag.tag-basketball {
            background: #f97316;
            color: #fff;
        }

        .article-card-tag.tag-esports {
            background: #8b5cf6;
            color: #fff;
        }

        .article-card-tag.tag-tennis {
            background: #10b981;
            color: #fff;
        }

        .article-card-tag.tag-f1 {
            background: #ef4444;
            color: #fff;
        }

        .article-card-tag.tag-ufc {
            background: #ec4899;
            color: #fff;
        }

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

        .article-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card-body h3 {
            color: var(--color-accent-light);
        }

        .article-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            padding-top: 4px;
        }

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

        .article-card-meta i {
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .article-card-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary-light);
            transition: all var(--transition-fast);
            margin-top: 2px;
        }

        .article-card-read-more:hover {
            color: var(--color-accent-light);
            gap: 10px;
        }

        .article-card-read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-card-read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 16px 0;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: rgba(255, 255, 255, 0.03);
            color: var(--color-text-secondary);
            border: 1px solid transparent;
            user-select: none;
        }

        .pagination-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text-primary);
            border-color: var(--color-border-light);
        }

        .pagination-btn.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            border-color: var(--color-primary);
            box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
        }

        .pagination-btn.disabled {
            opacity: 0.35;
            pointer-events: none;
            cursor: default;
        }

        .pagination-ellipsis {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        /* ========== FEATURED SECTION ========== */
        .featured-highlight-section {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--section-gap-sm) 0;
        }

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

        .section-header h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-header h2 .section-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-size: 0.95rem;
        }

        .section-header .section-link {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-primary-light);
            display: flex;
            align-items: center;
            gap: 5px;
            transition: color var(--transition-fast);
        }

        .section-header .section-link:hover {
            color: var(--color-accent-light);
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

        .highlight-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-light);
        }

        .highlight-card-image {
            aspect-ratio: 21 / 9;
            overflow: hidden;
            background: var(--color-bg-deep);
        }

        .highlight-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .highlight-card:hover .highlight-card-image img {
            transform: scale(1.04);
        }

        .highlight-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .highlight-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .highlight-card:hover .highlight-card-body h3 {
            color: var(--color-accent-light);
        }

        .highlight-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            flex: 1;
        }

        .highlight-card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            text-align: center;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-secondary));
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .cta-card-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-card-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-card-content p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .cta-card-content .cta-btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #1a1a1a;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
        }

        .btn-primary-lg:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
            color: #1a1a1a;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-text-primary);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .btn-outline-lg:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-light);
            background: rgba(255, 255, 255, 0.03);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
            color: var(--color-text-muted);
            font-size: 0.88rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .footer-brand .footer-logo:hover {
            color: var(--color-accent-light);
        }

        .footer-brand p {
            font-size: 0.84rem;
            line-height: 1.6;
            color: var(--color-text-muted);
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== MOBILE NAV OVERLAY ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

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

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            z-index: 1001;
            background: var(--color-bg-glass-solid);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-left: 1px solid var(--color-border);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: right var(--transition-smooth);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-close {
            align-self: flex-end;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-nav-close:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-panel .nav-link {
            font-size: 1rem;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            display: flex;
        }

        .mobile-nav-panel .nav-cta-btn {
            font-size: 0.95rem;
            padding: 12px 20px;
            justify-content: center;
            margin-top: 8px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-banner-content h1 {
                font-size: 2.1rem;
            }
            .filter-sort {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .category-banner {
                min-height: 300px;
            }
            .category-banner-content {
                padding: 40px 20px;
            }
            .category-banner-content h1 {
                font-size: 1.7rem;
            }
            .category-banner-content .banner-subtitle {
                font-size: 0.9rem;
            }
            .category-stats-row {
                gap: 16px;
            }
            .category-stat-item .stat-number {
                font-size: 1.35rem;
            }
            .filter-inner {
                gap: 10px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .cta-card {
                padding: 36px 20px;
            }
            .cta-card-content h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .pagination-wrapper {
                flex-wrap: wrap;
                gap: 4px;
            }
            .pagination-btn {
                min-width: 36px;
                height: 36px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .category-banner-content h1 {
                font-size: 1.45rem;
            }
            .category-stats-row {
                gap: 10px;
            }
            .category-stat-item .stat-number {
                font-size: 1.15rem;
            }
            .category-stat-item .stat-label {
                font-size: 0.7rem;
            }
            .filter-inner {
                padding: 10px 14px;
                gap: 8px;
            }
            .filter-tag {
                padding: 5px 12px;
                font-size: 0.76rem;
            }
            .filter-sort {
                font-size: 0.76rem;
            }
            .article-card-body {
                padding: 14px 16px 16px;
            }
            .article-card-body h3 {
                font-size: 0.98rem;
            }
            .highlight-card-body {
                padding: 16px 18px 18px;
            }
            .highlight-card-body h3 {
                font-size: 1rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 11px 20px;
                font-size: 0.88rem;
            }
        }