/* roulang page: index */
:root {
            --bg-deep: #060b1a;
            --bg-primary: #0a0e27;
            --bg-card: #111836;
            --bg-card-hover: #151d45;
            --bg-elevated: #18204a;
            --border-default: #1a2347;
            --border-glow: #1e2d5c;
            --text-primary: #e8ecf4;
            --text-secondary: #9aa4bf;
            --text-muted: #5e6b85;
            --accent-cyan: #00e5ff;
            --accent-cyan-glow: rgba(0, 229, 255, 0.25);
            --accent-orange: #ff6d3a;
            --accent-orange-glow: rgba(255, 109, 58, 0.3);
            --accent-green: #00e676;
            --accent-gold: #ffc107;
            --accent-purple: #b388ff;
            --accent-red: #ff3d4f;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-glow-cyan: 0 0 20px rgba(0, 229, 255, 0.2), 0 0 50px rgba(0, 229, 255, 0.08);
            --shadow-glow-orange: 0 0 20px rgba(255, 109, 58, 0.25), 0 0 50px rgba(255, 109, 58, 0.1);
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-display: 'Orbitron', 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-padding: 24px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --z-nav: 1000;
            --z-overlay: 900;
            --z-hero: 10;
        }

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

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

        body {
            font-family: var(--font-body);
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }

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

        .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 / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: var(--z-nav);
            height: var(--nav-height);
            background: rgba(10, 14, 39, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-default);
            transition: background var(--transition-normal), border-color var(--transition-normal);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 39, 0.95);
            border-bottom-color: var(--border-glow);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: calc(var(--z-nav) + 2);
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #0095b8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-glow-cyan);
        }

        .nav-brand .brand-text {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: 0.06em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-brand .brand-text span {
            color: var(--accent-cyan);
        }

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

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

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

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.08);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            box-shadow: 0 0 8px var(--accent-cyan-glow);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent-orange);
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-nav-cta:hover {
            background: #ff8255;
            box-shadow: var(--shadow-glow-orange);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
            z-index: calc(var(--z-nav) + 2);
            transition: background var(--transition-fast);
        }

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

        /* ========== HERO (分屏布局) ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: stretch;
            padding-top: var(--nav-height);
            overflow: hidden;
        }

        .hero-left {
            flex: 0 0 48%;
            display: flex;
            align-items: center;
            padding: 60px var(--container-padding) 60px;
            position: relative;
            z-index: calc(var(--z-hero) + 1);
        }

        .hero-left-inner {
            max-width: 540px;
            margin-left: auto;
            padding-right: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            font-family: var(--font-display);
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-cyan);
            }
            50% {
                box-shadow: 0 0 14px var(--accent-cyan), 0 0 24px var(--accent-cyan-glow);
            }
        }

        .hero-title {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: clamp(2.4rem, 4.2vw, 3.6rem);
            line-height: 1.1;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-title .highlight {
            color: var(--accent-cyan);
            text-shadow: 0 0 40px var(--accent-cyan-glow);
        }

        .hero-desc {
            font-size: 1.08rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 460px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent-orange);
            color: #fff;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(255, 109, 58, 0.3);
        }

        .btn-primary:hover {
            background: #ff8255;
            box-shadow: 0 6px 24px rgba(255, 109, 58, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 109, 58, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-glow);
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            background: rgba(0, 229, 255, 0.04);
        }

        .hero-right {
            flex: 0 0 52%;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 500px;
        }

        .hero-right::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(270deg, rgba(6, 11, 26, 0.15) 0%, rgba(10, 14, 39, 0.55) 60%, rgba(10, 14, 39, 0.85) 100%);
            z-index: 1;
        }

        .hero-right::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 255, 0.1) 0%, transparent 60%);
            z-index: 2;
        }

        .hero-hud-overlay {
            position: absolute;
            bottom: 40px;
            right: 40px;
            z-index: 3;
            display: flex;
            gap: 24px;
        }

        .hud-stat {
            background: rgba(17, 24, 54, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            text-align: center;
            min-width: 90px;
        }

        .hud-stat .stat-value {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }

        .hud-stat .stat-label {
            font-size: 0.72rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-top: 2px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 80px 0;
        }

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

        .section-label {
            display: inline-block;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== FEATURES GRID ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            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(--accent-cyan), var(--accent-purple));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }

        .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: 16px;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-cyan);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: rgba(255, 109, 58, 0.1);
            color: var(--accent-orange);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent-green);
        }

        .feature-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* ========== CATEGORY ENTRY ========== */
        .category-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            max-width: 700px;
            margin: 0 auto;
        }

        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-xl);
            padding: 24px 28px;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .category-entry-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            background: var(--bg-card-hover);
        }

        .category-entry-card .cat-thumb {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }

        .category-entry-card .cat-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-entry-card .cat-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            border: 2px solid transparent;
            transition: border-color var(--transition-normal);
        }

        .category-entry-card:hover .cat-thumb::after {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }

        .category-entry-card .cat-info h3 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 4px;
        }

        .category-entry-card .cat-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .cat-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }

        /* ========== CMS NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

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

        .news-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-card .news-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .news-card .news-img .news-cat-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(10, 14, 39, 0.8);
            backdrop-filter: blur(4px);
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }

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

        .news-card .news-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-body h4 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        .news-card .news-body h4 a:hover {
            color: var(--accent-cyan);
        }

        .news-card .news-body .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card .news-body .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        /* ========== STATS HUD PANEL ========== */
        .stats-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            overflow: hidden;
        }

        .stats-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 255, 0.08);
            pointer-events: none;
        }

        .stats-panel::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 1px solid rgba(255, 109, 58, 0.06);
            pointer-events: none;
        }

        .stat-item {
            text-align: center;
            padding: 0 16px;
            position: relative;
            z-index: 1;
        }

        .stat-item+.stat-item {
            border-left: 1px solid var(--border-default);
        }

        .stat-number {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: clamp(2rem, 3vw, 2.8rem);
            letter-spacing: 0.04em;
            color: var(--accent-cyan);
            margin-bottom: 4px;
            text-shadow: 0 0 30px var(--accent-cyan-glow);
        }

        .stat-item:nth-child(2) .stat-number {
            color: var(--accent-orange);
            text-shadow: 0 0 30px var(--accent-orange-glow);
        }

        .stat-item:nth-child(3) .stat-number {
            color: var(--accent-green);
            text-shadow: 0 0 30px rgba(0, 230, 118, 0.25);
        }

        .stat-item:nth-child(4) .stat-number {
            color: var(--accent-purple);
            text-shadow: 0 0 30px rgba(179, 136, 255, 0.25);
        }

        .stat-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ========== COMPARISON PANEL ========== */
        .comparison-panel {
            display: grid;
            grid-template-columns: 1fr 60px 1fr;
            gap: 0;
            align-items: stretch;
        }

        .comp-col {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
        }

        .comp-col.comp-highlight {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            background: var(--bg-card-hover);
            position: relative;
        }

        .comp-col.comp-highlight::before {
            content: '星空官方平台';
            position: absolute;
            top: -14px;
            left: 28px;
            padding: 4px 16px;
            border-radius: 20px;
            background: var(--accent-cyan);
            color: #060b1a;
            font-weight: 700;
            font-size: 0.75rem;
            letter-spacing: 0.06em;
            font-family: var(--font-display);
        }

        .comp-col h4 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .comp-list li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        .comp-list li:last-child {
            border-bottom: none;
        }

        .comp-list li i {
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comp-list li i.fa-check {
            color: var(--accent-green);
        }
        .comp-list li i.fa-minus {
            color: var(--text-muted);
        }

        .comp-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent-orange);
            letter-spacing: 0.06em;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--accent-cyan);
        }

        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

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

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

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 11, 26, 0.8);
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .cta-inner p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-text {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }

        .footer-brand .brand-text span {
            color: var(--accent-cyan);
        }

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

        .footer-links h5 {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

        .footer-links ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-section {
                flex-direction: column;
                min-height: auto;
            }
            .hero-left {
                flex: 0 0 auto;
                padding: 50px var(--container-padding) 30px;
            }
            .hero-left-inner {
                margin-left: 0;
                padding-right: 0;
                max-width: 100%;
            }
            .hero-right {
                flex: 0 0 auto;
                min-height: 380px;
                width: 100%;
            }
            .hero-right::before {
                background: linear-gradient(180deg, rgba(10, 14, 39, 0.85) 0%, rgba(10, 14, 39, 0.35) 40%, rgba(6, 11, 26, 0.2) 100%);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item+.stat-item {
                border-left: none;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-top: 1px solid var(--border-default);
                padding-top: 20px;
            }
            .comparison-panel {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .comp-vs {
                padding: 8px 0;
                font-size: 0.9rem;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .hero-hud-overlay {
                bottom: 16px;
                right: 16px;
                gap: 10px;
            }
            .hud-stat {
                padding: 10px 14px;
                min-width: 65px;
            }
            .hud-stat .stat-value {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --container-padding: 16px;
            }
            .nav-links-wrapper {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                transform: translateX(100%);
                transition: transform var(--transition-normal);
                z-index: var(--z-overlay);
                overflow-y: auto;
            }
            .nav-links-wrapper.open {
                transform: translateX(0);
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .nav-links a {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-actions {
                padding: 8px 0;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 13px;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero-left {
                padding: 36px var(--container-padding) 20px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 5vw, 2.4rem);
            }
            .hero-right {
                min-height: 260px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .stats-panel {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
            }
            .category-entry-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .category-entry-card .cat-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-hud-overlay {
                display: none;
            }
            .comparison-panel {
                gap: 14px;
            }
            .comp-col {
                padding: 20px 18px;
            }
            .comp-col.comp-highlight::before {
                top: -12px;
                left: 16px;
                font-size: 0.7rem;
                padding: 3px 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .stats-panel {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .stat-item {
                padding: 14px 0;
            }
            .stat-item+.stat-item {
                border-left: none;
                border-top: 1px solid var(--border-default);
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            animation: fadeInUp 0.7s ease forwards;
        }

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

        /* Selection */
        ::selection {
            background: rgba(0, 229, 255, 0.3);
            color: #fff;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #060b14;
            --bg-panel: #0d1322;
            --bg-card: #111827;
            --bg-card-hover: #161f33;
            --bg-hud: #0a101f;
            --text-primary: #e8edf5;
            --text-secondary: #a8b5cc;
            --text-weak: #6b7a94;
            --accent-cyan: #00d4f0;
            --accent-cyan-glow: rgba(0,212,240,0.35);
            --accent-gold: #f0a030;
            --accent-gold-glow: rgba(240,160,48,0.35);
            --accent-red: #f0445c;
            --accent-green: #28d88a;
            --accent-purple: #9b5de5;
            --border-subtle: rgba(255,255,255,0.07);
            --border-glow-cyan: rgba(0,212,240,0.25);
            --border-glow-gold: rgba(240,160,48,0.2);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
            --shadow-glow-cyan: 0 0 30px rgba(0,212,240,0.15);
            --shadow-glow-gold: 0 0 30px rgba(240,160,48,0.12);
            --font-heading: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;
            --nav-height: 68px;
            --container-max: 1240px;
            --section-gap: 80px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4,0,0.2,1);
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-body);background:var(--bg-deep);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,input,select,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.3;font-weight:700}
        .container{max-width:var(--container-max);margin:0 auto;padding:0 28px}
        @media(max-width:768px){.container{padding:0 18px}}
        @media(max-width:520px){.container{padding:0 14px}}

        /* ========== NAVIGATION ========== */
        .site-header{position:sticky;top:0;z-index:1000;background:rgba(6,11,20,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-subtle);height:var(--nav-height);display:flex;align-items:center;transition:background var(--transition-smooth)}
        .site-header.scrolled{background:rgba(6,11,20,0.97);box-shadow:0 2px 20px rgba(0,0,0,0.5)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
        .brand-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:1.35rem;font-weight:800;color:var(--text-primary);letter-spacing:0.5px;white-space:nowrap}
        .brand-logo .logo-icon{width:38px;height:38px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent-cyan),#1a6bff);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#fff;box-shadow:var(--shadow-glow-cyan)}
        .brand-logo span.light{font-weight:400;color:var(--text-secondary)}
        .nav-links-wrapper{display:flex;align-items:center;gap:28px}
        .nav-links{display:flex;gap:24px;align-items:center}
        .nav-links a{font-size:0.95rem;font-weight:500;color:var(--text-secondary);padding:6px 10px;border-radius:var(--radius-sm);transition:all var(--transition-fast);position:relative;letter-spacing:0.3px}
        .nav-links a:hover{color:var(--text-primary);background:rgba(255,255,255,0.03)}
        .nav-links a.active{color:var(--accent-cyan);font-weight:600}
        .nav-links a.active::after{content:'';position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--accent-cyan);border-radius:1px;box-shadow:0 0 8px var(--accent-cyan-glow)}
        .btn-nav-cta{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--accent-cyan),#0ea5d4);color:#fff;font-weight:600;font-size:0.9rem;padding:9px 20px;border-radius:24px;transition:all var(--transition-smooth);box-shadow:0 0 16px rgba(0,180,220,0.25);letter-spacing:0.3px;white-space:nowrap}
        .btn-nav-cta:hover{box-shadow:0 0 28px rgba(0,200,240,0.45);transform:translateY(-1px);color:#fff}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:4px 8px}
        @media(max-width:768px){
            .nav-links-wrapper{position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(10,16,30,0.97);backdrop-filter:blur(16px);flex-direction:column;padding:24px 28px;gap:18px;border-bottom:1px solid var(--border-subtle);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all var(--transition-smooth);z-index:999}
            .nav-links-wrapper.open{transform:translateY(0);opacity:1;pointer-events:auto}
            .nav-links{flex-direction:column;gap:12px;width:100%}
            .nav-links a{font-size:1rem;padding:10px 14px;display:block}
            .btn-nav-cta{width:100%;justify-content:center;padding:12px 20px}
            .mobile-toggle{display:block}
        }

        /* ========== PAGE BANNER ========== */
        .page-banner{position:relative;padding:100px 0 80px;background:var(--bg-deep);overflow:hidden;min-height:420px;display:flex;align-items:center}
        .page-banner .banner-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.18;z-index:0}
        .page-banner .banner-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(0,180,220,0.08) 0%,transparent 65%),radial-gradient(ellipse at 70% 30%,rgba(160,60,220,0.06) 0%,transparent 55%),linear-gradient(180deg,var(--bg-deep) 0%,rgba(6,11,20,0.6) 40%,var(--bg-deep) 100%);z-index:1}
        .page-banner .banner-content{position:relative;z-index:2;max-width:720px}
        .page-banner .banner-tag{display:inline-block;font-size:0.82rem;font-weight:600;color:var(--accent-cyan);background:rgba(0,200,230,0.1);border:1px solid var(--border-glow-cyan);padding:5px 14px;border-radius:20px;letter-spacing:0.8px;margin-bottom:18px;text-transform:uppercase}
        .page-banner h1{font-size:3rem;font-weight:800;color:var(--text-primary);margin-bottom:16px;letter-spacing:0.5px;line-height:1.2}
        .page-banner h1 .highlight{background:linear-gradient(135deg,var(--accent-cyan),#5bc0eb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .page-banner .banner-desc{font-size:1.1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:28px;max-width:580px}
        .page-banner .banner-stats-row{display:flex;gap:32px;flex-wrap:wrap}
        .page-banner .banner-stat{text-align:center}
        .page-banner .banner-stat .stat-num{font-size:2.2rem;font-weight:800;color:var(--accent-gold);font-family:var(--font-heading);line-height:1}
        .page-banner .banner-stat .stat-label{font-size:0.85rem;color:var(--text-weak);margin-top:4px}
        @media(max-width:768px){
            .page-banner{padding:70px 0 50px;min-height:auto}
            .page-banner h1{font-size:2.1rem}
            .page-banner .banner-desc{font-size:1rem}
            .page-banner .banner-stats-row{gap:20px}
            .page-banner .banner-stat .stat-num{font-size:1.7rem}
        }
        @media(max-width:520px){
            .page-banner h1{font-size:1.7rem}
            .page-banner{padding:50px 0 40px}
        }

        /* ========== SECTION TITLES ========== */
        .section-header{text-align:center;margin-bottom:48px}
        .section-header .section-tag{display:inline-block;font-size:0.8rem;font-weight:600;color:var(--accent-cyan);background:rgba(0,200,230,0.08);border:1px solid rgba(0,200,230,0.2);padding:4px 14px;border-radius:16px;letter-spacing:1px;margin-bottom:12px;text-transform:uppercase}
        .section-header h2{font-size:2.2rem;font-weight:800;color:var(--text-primary);margin-bottom:10px}
        .section-header .section-sub{font-size:1rem;color:var(--text-weak);max-width:560px;margin:0 auto}
        @media(max-width:768px){.section-header h2{font-size:1.7rem}.section-header{margin-bottom:36px}}

        /* ========== MODE CARDS (主题选择卡) ========== */
        .section-modes{padding:var(--section-gap) 0;background:var(--bg-deep)}
        .modes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .mode-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px 26px;transition:all var(--transition-smooth);position:relative;overflow:hidden;cursor:default}
        .mode-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:transparent;transition:all var(--transition-smooth);border-radius:0 0 var(--radius-sm) var(--radius-sm)}
        .mode-card:hover{background:var(--bg-card-hover);border-color:rgba(255,255,255,0.12);transform:translateY(-4px);box-shadow:var(--shadow-card)}
        .mode-card.mode-cyan:hover::before{background:var(--accent-cyan);box-shadow:0 0 20px var(--accent-cyan-glow)}
        .mode-card.mode-gold:hover::before{background:var(--accent-gold);box-shadow:0 0 20px var(--accent-gold-glow)}
        .mode-card.mode-purple:hover::before{background:var(--accent-purple);box-shadow:0 0 20px rgba(155,93,229,0.35)}
        .mode-card .mode-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px}
        .mode-card .mode-icon.cyan-bg{background:rgba(0,212,240,0.12);color:var(--accent-cyan)}
        .mode-card .mode-icon.gold-bg{background:rgba(240,160,48,0.12);color:var(--accent-gold)}
        .mode-card .mode-icon.purple-bg{background:rgba(155,93,229,0.12);color:var(--accent-purple)}
        .mode-card h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}
        .mode-card .mode-desc{font-size:0.92rem;color:var(--text-weak);line-height:1.7;margin-bottom:16px}
        .mode-card .mode-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:0.82rem;color:var(--text-secondary)}
        .mode-card .mode-meta span{display:flex;align-items:center;gap:5px}
        .mode-card .mode-meta i{font-size:0.75rem}
        @media(max-width:1024px){.modes-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:600px){.modes-grid{grid-template-columns:1fr}.mode-card{padding:24px 20px}}

        /* ========== COMPARISON PANEL (对比面板) ========== */
        .section-compare{padding:var(--section-gap) 0;background:var(--bg-panel)}
        .compare-wrapper{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);overflow:hidden}
        .compare-table{width:100%;border-collapse:collapse}
        .compare-table th,.compare-table td{padding:18px 20px;text-align:center;border-bottom:1px solid var(--border-subtle)}
        .compare-table th{background:var(--bg-hud);font-weight:700;font-size:0.9rem;color:var(--text-primary);letter-spacing:0.5px}
        .compare-table th:first-child{text-align:left;padding-left:24px;color:var(--accent-cyan)}
        .compare-table td{font-size:0.9rem;color:var(--text-secondary)}
        .compare-table td:first-child{text-align:left;padding-left:24px;font-weight:600;color:var(--text-primary)}
        .compare-table tr:last-child td{border-bottom:none}
        .compare-table .highlight-cell{color:var(--accent-gold);font-weight:700}
        .compare-table .check-icon{color:var(--accent-green)}
        .compare-table .dash-icon{color:var(--text-weak)}
        .compare-table tbody tr{transition:background var(--transition-fast)}
        .compare-table tbody tr:hover{background:rgba(255,255,255,0.02)}
        @media(max-width:768px){
            .compare-table th,.compare-table td{padding:12px 10px;font-size:0.8rem}
            .compare-table th:first-child,.compare-table td:first-child{padding-left:12px}
        }
        @media(max-width:520px){
            .compare-wrapper{overflow-x:auto}
            .compare-table{min-width:520px}
        }

        /* ========== RANK PATH (路径图/晋级体系) ========== */
        .section-ranks{padding:var(--section-gap) 0;background:var(--bg-deep)}
        .rank-path{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;position:relative}
        .rank-path::before{content:'';position:absolute;top:38px;left:46px;right:46px;height:2px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple),var(--accent-gold));border-radius:1px;z-index:0;opacity:0.5}
        @media(max-width:768px){.rank-path::before{display:none}}
        .rank-node{flex:1;min-width:100px;text-align:center;position:relative;z-index:1;padding:0 6px}
        .rank-node .rank-badge{width:56px;height:56px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;color:#fff;border:3px solid transparent;transition:all var(--transition-smooth);position:relative}
        .rank-node .rank-badge.r1{background:rgba(0,180,220,0.2);border-color:var(--accent-cyan);box-shadow:0 0 18px rgba(0,180,220,0.3)}
        .rank-node .rank-badge.r2{background:rgba(40,180,140,0.2);border-color:#28b48c;box-shadow:0 0 18px rgba(40,180,140,0.3)}
        .rank-node .rank-badge.r3{background:rgba(100,140,240,0.2);border-color:#648cf0;box-shadow:0 0 18px rgba(100,140,240,0.3)}
        .rank-node .rank-badge.r4{background:rgba(180,100,220,0.2);border-color:var(--accent-purple);box-shadow:0 0 18px rgba(155,93,229,0.3)}
        .rank-node .rank-badge.r5{background:rgba(240,160,48,0.2);border-color:var(--accent-gold);box-shadow:0 0 18px var(--accent-gold-glow)}
        .rank-node .rank-name{font-weight:700;font-size:0.95rem;color:var(--text-primary);margin-bottom:4px}
        .rank-node .rank-range{font-size:0.78rem;color:var(--text-weak)}
        @media(max-width:768px){.rank-path{flex-direction:column;align-items:center;gap:20px}.rank-node{display:flex;align-items:center;gap:14px;text-align:left;min-width:auto;width:100%;max-width:320px}.rank-node .rank-badge{margin:0;flex-shrink:0}}

        /* ========== HUD PANEL (深色HUD信息面板) ========== */
        .section-hud{padding:var(--section-gap) 0;background:var(--bg-panel)}
        .hud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .hud-card{background:var(--bg-hud);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px 24px;position:relative;overflow:hidden;transition:all var(--transition-smooth)}
        .hud-card::after{content:'';position:absolute;top:-40px;right:-40px;width:100px;height:100px;border-radius:50%;opacity:0.06;pointer-events:none}
        .hud-card.hud-cyan::after{background:var(--accent-cyan)}
        .hud-card.hud-gold::after{background:var(--accent-gold)}
        .hud-card.hud-green::after{background:var(--accent-green)}
        .hud-card:hover{border-color:rgba(255,255,255,0.14);box-shadow:var(--shadow-card)}
        .hud-card .hud-label{font-size:0.75rem;font-weight:600;color:var(--text-weak);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:8px}
        .hud-card .hud-value{font-size:2.8rem;font-weight:800;font-family:var(--font-heading);line-height:1;margin-bottom:6px}
        .hud-card .hud-value.cyan-text{color:var(--accent-cyan);text-shadow:0 0 20px var(--accent-cyan-glow)}
        .hud-card .hud-value.gold-text{color:var(--accent-gold);text-shadow:0 0 20px var(--accent-gold-glow)}
        .hud-card .hud-value.green-text{color:var(--accent-green);text-shadow:0 0 20px rgba(40,216,138,0.25)}
        .hud-card .hud-sub{font-size:0.85rem;color:var(--text-secondary)}
        .hud-card .hud-bar{height:4px;border-radius:2px;background:rgba(255,255,255,0.06);margin-top:14px;overflow:hidden}
        .hud-card .hud-bar-fill{height:100%;border-radius:2px;transition:width 1s ease}
        .hud-card .hud-bar-fill.cyan-fill{background:var(--accent-cyan);box-shadow:0 0 8px var(--accent-cyan-glow)}
        .hud-card .hud-bar-fill.gold-fill{background:var(--accent-gold);box-shadow:0 0 8px var(--accent-gold-glow)}
        .hud-card .hud-bar-fill.green-fill{background:var(--accent-green)}
        @media(max-width:1024px){.hud-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:600px){.hud-grid{grid-template-columns:1fr}.hud-card .hud-value{font-size:2.2rem}}

        /* ========== TEAM SECTION (团队协作) ========== */
        .section-team{padding:var(--section-gap) 0;background:var(--bg-deep)}
        .team-features{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
        .team-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:4/3}
        .team-visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-xl)}
        .team-visual .team-visual-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,180,220,0.15),rgba(100,60,200,0.1));border-radius:var(--radius-xl)}
        .team-info h2{font-size:2rem;font-weight:800;color:var(--text-primary);margin-bottom:14px}
        .team-info .team-desc{font-size:1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:22px}
        .team-info .team-list{display:flex;flex-direction:column;gap:12px}
        .team-info .team-list li{display:flex;align-items:center;gap:10px;font-size:0.95rem;color:var(--text-primary);padding:10px 14px;background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-subtle);transition:all var(--transition-fast)}
        .team-info .team-list li:hover{border-color:rgba(255,255,255,0.12)}
        .team-info .team-list li i{color:var(--accent-cyan);font-size:0.9rem;flex-shrink:0}
        @media(max-width:768px){.team-features{grid-template-columns:1fr;gap:28px}.team-info h2{font-size:1.6rem}}

        /* ========== STRATEGY CARDS ========== */
        .section-strategy{padding:var(--section-gap) 0;background:var(--bg-panel)}
        .strategy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
        .strategy-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:26px 24px;display:flex;gap:18px;align-items:flex-start;transition:all var(--transition-smooth)}
        .strategy-card:hover{background:var(--bg-card-hover);border-color:rgba(255,255,255,0.1);box-shadow:var(--shadow-card);transform:translateY(-2px)}
        .strategy-card .strat-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
        .strategy-card .strat-icon.si-cyan{background:rgba(0,212,240,0.12);color:var(--accent-cyan)}
        .strategy-card .strat-icon.si-gold{background:rgba(240,160,48,0.12);color:var(--accent-gold)}
        .strategy-card .strat-icon.si-red{background:rgba(240,68,92,0.12);color:var(--accent-red)}
        .strategy-card .strat-icon.si-purple{background:rgba(155,93,229,0.12);color:var(--accent-purple)}
        .strategy-card .strat-content h4{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}
        .strategy-card .strat-content p{font-size:0.88rem;color:var(--text-weak);line-height:1.6}
        @media(max-width:768px){.strategy-grid{grid-template-columns:1fr}}

        /* ========== CTA ========== */
        .section-cta{padding:80px 0;background:var(--bg-deep);text-align:center}
        .cta-inner{max-width:600px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border-glow-cyan);border-radius:var(--radius-xl);padding:48px 36px;position:relative;overflow:hidden}
        .cta-inner::before{content:'';position:absolute;top:-60px;right:-60px;width:160px;height:160px;border-radius:50%;background:var(--accent-cyan);opacity:0.06;pointer-events:none}
        .cta-inner h2{font-size:2rem;font-weight:800;color:var(--text-primary);margin-bottom:12px}
        .cta-inner .cta-desc{font-size:1rem;color:var(--text-secondary);margin-bottom:26px;line-height:1.7}
        .btn-cta-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent-cyan),#0e90c0);color:#fff;font-weight:700;font-size:1rem;padding:14px 32px;border-radius:28px;transition:all var(--transition-smooth);box-shadow:0 0 22px rgba(0,190,220,0.3);letter-spacing:0.4px;border:none;cursor:pointer}
        .btn-cta-primary:hover{box-shadow:0 0 36px rgba(0,200,240,0.5);transform:translateY(-2px);color:#fff}
        .btn-cta-secondary{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--text-primary);font-weight:600;font-size:0.95rem;padding:12px 28px;border-radius:28px;border:1px solid var(--border-subtle);transition:all var(--transition-smooth);margin-left:14px;cursor:pointer}
        .btn-cta-secondary:hover{border-color:rgba(255,255,255,0.25);background:rgba(255,255,255,0.03)}
        @media(max-width:520px){.cta-inner{padding:32px 20px}.cta-inner h2{font-size:1.5rem}.btn-cta-secondary{margin-left:0;margin-top:12px}}

        /* ========== FOOTER ========== */
        .site-footer{background:var(--bg-panel);border-top:1px solid var(--border-subtle);padding:48px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:32px}
        .footer-brand .brand-text{font-family:var(--font-heading);font-size:1.3rem;font-weight:800;color:var(--text-primary);margin-bottom:10px;letter-spacing:0.4px}
        .footer-brand .brand-text span{font-weight:400;color:var(--text-secondary)}
        .footer-brand p{font-size:0.9rem;color:var(--text-weak);line-height:1.7;max-width:320px}
        .footer-links h5{font-size:0.9rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;letter-spacing:0.5px}
        .footer-links ul{display:flex;flex-direction:column;gap:8px}
        .footer-links a{font-size:0.88rem;color:var(--text-weak);transition:color var(--transition-fast)}
        .footer-links a:hover{color:var(--accent-cyan)}
        .footer-bottom{border-top:1px solid var(--border-subtle);padding-top:20px;text-align:center}
        .footer-bottom p{font-size:0.82rem;color:var(--text-weak)}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
        @media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

        /* ========== UTILITY ========== */
        .text-cyan{color:var(--accent-cyan)}
        .text-gold{color:var(--accent-gold)}
        .mt-0{margin-top:0}
        .mb-0{margin-bottom:0}
        @media(max-width:768px){:root{--section-gap:56px}}
        @media(max-width:520px){:root{--section-gap:40px}}

/* roulang page: article */
:root {
            --bg-deep: #060a10;
            --bg-primary: #0a0f1a;
            --bg-secondary: #0f1624;
            --bg-card: #131b2b;
            --bg-card-alt: #182032;
            --bg-surface: #1a2335;
            --text-primary: #e8edf5;
            --text-secondary: #a0b0cc;
            --text-muted: #6b7d99;
            --text-article: #dce4f0;
            --accent-cyan: #00d4f0;
            --accent-cyan-glow: rgba(0,212,240,0.35);
            --accent-blue: #3b8bff;
            --accent-blue-glow: rgba(59,139,255,0.3);
            --accent-gold: #f0a828;
            --accent-gold-glow: rgba(240,168,40,0.3);
            --border-subtle: #1c2840;
            --border-medium: #253050;
            --border-glow: #2a3d60;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 16px rgba(0,0,0,0.35), 0 0 1px rgba(0,180,255,0.08);
            --shadow-card-hover: 0 8px 32px rgba(0,0,0,0.5), 0 0 12px rgba(0,200,255,0.12);
            --shadow-glow: 0 0 20px rgba(0,212,240,0.15);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --article-max: 820px;
            --nav-height: 62px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
        }

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10,15,26,0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 0 18px var(--accent-cyan-glow);
        }

        .header-logo .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .header-logo .logo-text span {
            color: var(--accent-cyan);
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255,255,255,0.04);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0,212,240,0.08);
            box-shadow: inset 0 0 0 1px rgba(0,212,240,0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            box-shadow: 0 0 16px var(--accent-cyan-glow);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-nav-cta:hover {
            box-shadow: 0 0 28px var(--accent-cyan-glow), 0 4px 18px rgba(0,180,255,0.25);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--accent-cyan-glow);
        }

        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            background: var(--bg-surface);
            color: var(--text-primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan-glow);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            padding: 48px 0 36px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-color: var(--bg-primary);
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(6,10,16,0.55) 0%,
                    rgba(10,15,26,0.82) 50%,
                    rgba(10,15,26,0.96) 100%);
            z-index: 1;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-blue), transparent);
            opacity: 0.5;
            z-index: 2;
        }

        .article-banner .banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }

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

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

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

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

        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-banner .banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(0,212,240,0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0,212,240,0.25);
        }

        .meta-badge i {
            font-size: 0.7rem;
        }

        .meta-date {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .meta-date i {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== ARTICLE BODY SECTION ========== */
        .article-body-section {
            padding: 48px 0 60px;
            background: var(--bg-primary);
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            padding: 48px 52px;
            position: relative;
            overflow: hidden;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), var(--accent-gold));
            opacity: 0.7;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .article-cover-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 36px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
            border: 1px solid var(--border-subtle);
        }

        .article-content {
            color: var(--text-article);
            font-size: 1.05rem;
            line-height: 1.9;
            letter-spacing: 0.015em;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
            letter-spacing: 0.03em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f0f4fa;
            margin: 28px 0 12px;
        }

        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 22px 0 8px;
        }

        .article-content p {
            margin-bottom: 18px;
            color: var(--text-article);
        }

        .article-content ul,
        .article-content ol {
            margin: 12px 0 20px;
            padding-left: 24px;
            color: var(--text-article);
        }

        .article-content li {
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content li::marker {
            color: var(--accent-cyan);
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent-cyan);
            padding: 16px 20px;
            margin: 24px 0;
            background: rgba(0,212,240,0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.35);
            border: 1px solid var(--border-subtle);
        }

        .article-content code {
            background: var(--bg-surface);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent-gold);
            border: 1px solid var(--border-subtle);
        }

        .article-content pre {
            background: var(--bg-deep);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            border: 1px solid var(--border-medium);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            border: none;
            color: var(--text-article);
        }

        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

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

        .article-content strong {
            color: #fff;
            font-weight: 700;
        }

        .article-content hr {
            border: none;
            height: 1px;
            background: var(--border-subtle);
            margin: 32px 0;
        }

        /* 文章不存在状态 */
        .article-not-found {
            text-align: center;
            padding: 60px 30px;
        }

        .article-not-found .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            box-shadow: 0 0 18px var(--accent-cyan-glow);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .btn-back-home:hover {
            box-shadow: 0 0 30px var(--accent-cyan-glow), 0 4px 20px rgba(0,180,255,0.3);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0 64px;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
        }

        .cta-card {
            background: var(--bg-card-alt);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-medium);
            box-shadow: var(--shadow-card);
            padding: 44px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0,212,240,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .cta-card p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 26px;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            box-shadow: 0 0 22px var(--accent-cyan-glow);
            transition: all var(--transition-smooth);
            letter-spacing: 0.03em;
        }

        .btn-cta-large:hover {
            box-shadow: 0 0 36px var(--accent-cyan-glow), 0 6px 24px rgba(0,180,255,0.35);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-large:active {
            transform: translateY(0);
            box-shadow: 0 0 14px var(--accent-cyan-glow);
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 56px 0 64px;
            background: var(--bg-primary);
        }

        .faq-section .section-label {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 8px;
            text-align: center;
        }

        .faq-section .section-heading {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-align: center;
            margin-bottom: 36px;
            letter-spacing: 0.03em;
        }

        .faq-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }

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

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

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

        .faq-question:hover {
            color: var(--accent-cyan);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: all var(--transition-smooth);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan-glow);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            color: var(--text-secondary);
        }

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

        .footer-brand .brand-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-brand .brand-text span {
            color: var(--accent-cyan);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
        }

        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-links ul {
            list-style: none;
        }

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

        .footer-links ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-banner .banner-title {
                font-size: 1.9rem;
            }
            .article-card {
                padding: 34px 28px;
            }
            .article-content {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-links-wrapper {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10,15,26,0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: 0 16px 40px rgba(0,0,0,0.6);
                display: none;
                z-index: 999;
            }
            .nav-links-wrapper.mobile-open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-actions {
                width: 100%;
                padding-top: 8px;
            }
            .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 0.95rem;
            }
            .article-banner {
                min-height: 240px;
                padding: 36px 0 28px;
            }
            .article-banner .banner-title {
                font-size: 1.5rem;
            }
            .article-card {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }
            .article-content {
                font-size: 0.95rem;
                line-height: 1.8;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .cta-card {
                padding: 30px 22px;
            }
            .cta-card h3 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .faq-section .section-heading {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .container-article {
                padding: 0 14px;
            }
            .header-logo .logo-text {
                font-size: 1rem;
            }
            .article-banner .banner-title {
                font-size: 1.3rem;
            }
            .article-card {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }
            .article-meta-row {
                gap: 10px;
            }
            .meta-badge {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .meta-date {
                font-size: 0.78rem;
            }
            .article-content {
                font-size: 0.9rem;
            }
            .article-content blockquote {
                padding: 12px 14px;
                font-size: 0.88rem;
            }
            .cta-card {
                padding: 22px 16px;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 12px 14px;
            }
            .btn-back-home {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }