/* roulang page: index */
:root {
            --bg-deep: #060b18;
            --bg-panel: #0c1228;
            --bg-card: rgba(14, 20, 44, 0.82);
            --bg-card-hover: rgba(18, 26, 54, 0.92);
            --text-primary: #e4e8f2;
            --text-secondary: #8a95b8;
            --text-weak: #5c6688;
            --accent-cyan: #00c6ff;
            --accent-cyan-glow: rgba(0, 198, 255, 0.45);
            --accent-purple: #a855f7;
            --accent-purple-glow: rgba(168, 85, 247, 0.40);
            --accent-pink: #e04090;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 198, 255, 0.30);
            --border-card: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow-cyan: 0 0 40px rgba(0, 198, 255, 0.18), 0 0 8px rgba(0, 198, 255, 0.25);
            --shadow-glow-purple: 0 0 36px rgba(168, 85, 247, 0.16), 0 0 6px rgba(168, 85, 247, 0.22);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --container-narrow: 880px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 50% 15%, rgba(0, 180, 240, 0.06) 0%, transparent 65%),
                radial-gradient(ellipse at 22% 60%, rgba(140, 60, 220, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at 78% 40%, rgba(0, 180, 220, 0.04) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

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

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 11, 24, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), border-color var(--transition-base);
        }

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

        .header-logo {
            font-size: 1.28rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
        }

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

        .header-logo::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            border-radius: 1px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
        }

        .header-logo:hover::after {
            transform: scaleX(1);
        }

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

        .nav-list li {
            position: relative;
        }

        .nav-list a {
            display: block;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-list a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.03);
        }

        .nav-list a.nav-active {
            color: var(--accent-cyan);
            background: rgba(0, 198, 255, 0.06);
        }

        .nav-list a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan-glow);
        }

        .nav-divider {
            width: 1px;
            height: 20px;
            background: var(--border-subtle);
            margin: 0 6px;
            align-self: center;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            padding: 80px 28px 100px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-attachment: fixed;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 11, 24, 0.55) 0%, rgba(6, 11, 24, 0.82) 50%, rgba(6, 11, 24, 0.94) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 30% 40%, rgba(0, 198, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(168, 85, 247, 0.07) 0%, transparent 50%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
            background: rgba(0, 198, 255, 0.10);
            border: 1px solid rgba(0, 198, 255, 0.22);
            margin-bottom: 28px;
            animation: badgePulse 3s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%, 100% { box-shadow: 0 0 12px rgba(0,198,255,0.10); }
            50% { box-shadow: 0 0 22px rgba(0,198,255,0.28); }
        }

        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: 0.04em;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 20px;
            text-shadow: 0 0 60px rgba(0, 198, 255, 0.35), 0 0 120px rgba(168, 85, 247, 0.25), 0 2px 4px rgba(0,0,0,0.6);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #60d0ff 40%, var(--accent-purple) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.75;
            letter-spacing: 0.02em;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.98rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #0098cc 100%);
            color: #fff;
            box-shadow: 0 4px 20px rgba(0, 198, 255, 0.35), 0 0 0 0 rgba(0, 198, 255, 0.5);
            animation: btnGlowPulse 3s ease-in-out infinite;
        }

        @keyframes btnGlowPulse {
            0%, 100% { box-shadow: 0 4px 20px rgba(0,198,255,0.35), 0 0 0 0 rgba(0,198,255,0.5); }
            50% { box-shadow: 0 4px 28px rgba(0,198,255,0.50), 0 0 22px rgba(0,198,255,0.30); }
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 198, 255, 0.50), 0 0 28px rgba(0, 198, 255, 0.35);
            background: linear-gradient(135deg, #20d0ff 0%, #00a8dd 100%);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 198, 255, 0.06);
            box-shadow: 0 0 20px rgba(0, 198, 255, 0.15);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-md);
        }

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

        .section--alt {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.10em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto;
            letter-spacing: 0.02em;
        }

        /* ============ INTRO SECTION ============ */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .intro-text p {
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.8;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .intro-text .highlight-text {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
            border: 1px solid var(--border-glow);
        }

        .intro-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }

        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, transparent 60%, rgba(6,11,24,0.6) 100%);
            pointer-events: none;
        }

        /* ============ CATEGORY ENTRY CARD ============ */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px;
        }

        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-card);
            position: relative;
            cursor: pointer;
            display: block;
        }

        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card), var(--shadow-glow-cyan);
            background: var(--bg-card-hover);
        }

        .category-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .category-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(6,11,24,0.85) 100%);
        }

        .category-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            background: rgba(0, 0, 0, 0.6);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 198, 255, 0.30);
            backdrop-filter: blur(6px);
        }

        .category-card-body {
            padding: 22px 24px 24px;
            position: relative;
            z-index: 2;
        }

        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .category-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            letter-spacing: 0.02em;
        }

        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            transition: gap var(--transition-fast);
        }

        .category-card:hover .category-card-arrow {
            gap: 12px;
        }

        /* ============ NEWS LIST ============ */
        .news-list {
            display: grid;
            gap: 16px;
            max-width: 820px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            transform: translateX(3px);
        }

        .news-item-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent-purple);
            background: rgba(168, 85, 247, 0.10);
            padding: 6px 12px;
            border-radius: 6px;
            min-width: 64px;
            text-align: center;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item-content .news-meta {
            font-size: 0.82rem;
            color: var(--text-weak);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item-category {
            flex-shrink: 0;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--accent-cyan);
            background: rgba(0, 198, 255, 0.08);
            padding: 4px 12px;
            border-radius: 12px;
            border: 1px solid rgba(0, 198, 255, 0.18);
        }

        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-weak);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-card);
        }

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

        .stat-item {
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-top: 8px;
            font-weight: 500;
        }

        /* ============ FEATURES ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            padding: 32px 26px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            transition: all var(--transition-slow);
            text-align: center;
            position: relative;
        }

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

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(168, 85, 247, 0.12);
            margin-bottom: 18px;
            font-size: 1.5rem;
            color: var(--accent-purple);
            border: 1.5px solid rgba(168, 85, 247, 0.25);
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-icon {
            background: rgba(168, 85, 247, 0.20);
            box-shadow: 0 0 20px var(--accent-purple-glow);
            border-color: rgba(168, 85, 247, 0.45);
        }

        .feature-card h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            letter-spacing: 0.02em;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            letter-spacing: 0.02em;
        }

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

        /* ============ CTA ============ */
        .cta-section {
            text-align: center;
            padding: 70px 28px;
            background: var(--bg-panel);
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 198, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 28px;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }

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

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            padding: 44px 0 32px;
            text-align: center;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 18px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

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

        .footer-divider {
            width: 60px;
            height: 1px;
            background: var(--border-subtle);
            margin: 0 auto 16px;
        }

        .footer-copy {
            font-size: 0.82rem;
            color: var(--text-weak);
            letter-spacing: 0.03em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image {
                max-width: 500px;
                margin: 0 auto;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .site-header {
                height: 56px;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 260px;
                height: 100vh;
                background: rgba(10, 16, 32, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 80px 28px 40px;
                gap: 8px;
                transition: right var(--transition-slow);
                z-index: 105;
                border-left: 1px solid var(--border-subtle);
                box-shadow: -8px 0 30px rgba(0,0,0,0.5);
            }
            .nav-list.open {
                right: 0;
            }
            .nav-divider {
                width: 40px;
                height: 1px;
                margin: 10px 0;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero {
                min-height: 440px;
                padding: 60px 18px 70px;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .news-item-date {
                font-size: 0.72rem;
                padding: 4px 10px;
                min-width: auto;
            }
            .news-item-content h4 {
                font-size: 0.9rem;
            }
            .news-item-category {
                font-size: 0.7rem;
                padding: 3px 10px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 360px;
                padding: 48px 14px 56px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .section {
                padding: 38px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .category-entry-grid {
                max-width: 100%;
            }
            .category-card-image {
                height: 150px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links {
                gap: 12px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0a0a14;
            --bg-panel: #111122;
            --bg-card: #151530;
            --bg-elevated: #1a1a3a;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --accent-cyan: #00e5ff;
            --accent-magenta: #e040fb;
            --accent-purple: #7c4dff;
            --accent-gold: #ffb74d;
            --accent-green: #69f0ae;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-glow-cyan: 0 0 30px rgba(0, 229, 255, 0.15), 0 0 60px rgba(0, 229, 255, 0.06);
            --shadow-glow-magenta: 0 0 30px rgba(224, 64, 251, 0.15), 0 0 60px rgba(224, 64, 251, 0.06);
            --shadow-glow-purple: 0 0 30px rgba(124, 77, 255, 0.15), 0 0 60px rgba(124, 77, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(0, 229, 255, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(224, 64, 251, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 90%, rgba(124, 77, 255, 0.02) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ─── 导航 ─── */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

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

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 14px var(--accent-cyan), 0 0 28px rgba(0, 229, 255, 0.5);
            animation: logo-pulse 2.5s ease-in-out infinite;
        }

        @keyframes logo-pulse {
            0%,
            100% {
                box-shadow: 0 0 14px var(--accent-cyan), 0 0 28px rgba(0, 229, 255, 0.5);
            }
            50% {
                box-shadow: 0 0 22px var(--accent-cyan), 0 0 42px rgba(0, 229, 255, 0.7);
            }
        }

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

        .nav-list a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

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

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

        .nav-list a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .nav-divider {
            width: 1px;
            height: 18px;
            background: var(--border-subtle);
            margin: 0 8px;
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
        }

        .nav-toggle span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-fast);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ─── 分类 Hero ─── */
        .category-hero {
            position: relative;
            padding: 80px 0 70px;
            text-align: center;
            overflow: hidden;
            background: var(--bg-panel);
            border-bottom: 1px solid var(--border-subtle);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 50% 30%, rgba(124, 77, 255, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 70%, rgba(0, 229, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #e8e8f0 0%, #c0c0e0 40%, #00e5ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

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

        .hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            text-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
        }

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

        /* ─── 板块通用 ─── */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .section-header .section-line {
            width: 50px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-cyan);
            margin: 0 auto;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }

        .section-header p {
            color: var(--text-secondary);
            margin-top: 12px;
            font-size: 0.95rem;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ─── 卡片网格 ─── */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow-purple), var(--shadow-card);
            border-color: var(--border-glow);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-elevated);
        }

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

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

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: #fff;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .card-tag.tag-hot {
            background: rgba(224, 64, 251, 0.7);
            border-color: rgba(224, 64, 251, 0.5);
            box-shadow: 0 0 14px rgba(224, 64, 251, 0.3);
        }
        .card-tag.tag-new {
            background: rgba(0, 229, 255, 0.7);
            border-color: rgba(0, 229, 255, 0.5);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.3);
        }
        .card-tag.tag-tip {
            background: rgba(105, 240, 174, 0.7);
            border-color: rgba(105, 240, 174, 0.5);
            box-shadow: 0 0 14px rgba(105, 240, 174, 0.3);
        }

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

        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text-primary);
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

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

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

        .card-meta .meta-icon {
            width: 14px;
            height: 14px;
            opacity: 0.7;
        }

        /* ─── 按钮 ─── */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-cyan);
            color: #0a0a14;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
        }
        .btn-primary:hover {
            background: #33eaff;
            box-shadow: 0 0 32px rgba(0, 229, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            border: 2px solid var(--border-glow);
            color: var(--accent-cyan);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
        }

        .btn-magenta {
            background: var(--accent-magenta);
            color: #fff;
            box-shadow: 0 0 20px rgba(224, 64, 251, 0.3);
        }
        .btn-magenta:hover {
            background: #e860fb;
            box-shadow: 0 0 32px rgba(224, 64, 251, 0.5);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
        }

        /* ─── 高亮面板 ─── */
        .highlight-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }

        .highlight-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.06);
            pointer-events: none;
        }

        .highlight-panel h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }

        .highlight-panel p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            position: relative;
            z-index: 1;
        }

        /* ─── 流程/Bracket ─── */
        .bracket-flow {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            flex-wrap: wrap;
            padding: 20px 0;
        }

        .bracket-step {
            text-align: center;
            padding: 20px 28px;
            min-width: 140px;
            position: relative;
        }

        .bracket-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            margin: 0 auto 12px;
            box-shadow: 0 0 18px rgba(0, 229, 255, 0.2);
            transition: var(--transition-fast);
        }

        .bracket-step:hover .step-num {
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.45);
            background: rgba(0, 229, 255, 0.1);
        }

        .bracket-step .step-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .bracket-step .step-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .bracket-arrow {
            font-size: 1.6rem;
            color: var(--accent-cyan);
            opacity: 0.6;
            flex-shrink: 0;
            padding: 0 4px;
        }

        /* ─── FAQ ─── */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: color var(--transition-fast);
        }

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

        .faq-item summary .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 2px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ─── CTA ─── */
        .cta-section {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(124, 77, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ─── 页脚 ─── */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 28px;
            text-align: center;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-divider {
            width: 60px;
            height: 1px;
            background: var(--border-subtle);
            margin: 0 auto 16px;
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ─── 响应式 ─── */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-2 {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .hero-stats-row {
                gap: 24px;
            }
            .bracket-flow {
                gap: 8px;
            }
            .bracket-arrow {
                display: none;
            }
            .bracket-step {
                min-width: 110px;
                padding: 14px 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(17, 17, 34, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: flex-start;
                padding: 90px 28px 40px;
                gap: 4px;
                transition: right var(--transition-smooth);
                border-left: 1px solid var(--border-subtle);
                z-index: 1000;
            }
            .nav-list.active {
                right: 0;
            }
            .nav-list a {
                font-size: 1rem;
                padding: 12px 20px;
                width: 100%;
            }
            .nav-divider {
                width: 100%;
                height: 1px;
                margin: 8px 0;
            }
            .card-grid,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .category-hero {
                padding: 50px 0 44px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .highlight-panel {
                padding: 24px 20px;
            }
            .bracket-flow {
                flex-direction: column;
                gap: 0;
            }
            .bracket-step {
                min-width: auto;
                width: 100%;
                padding: 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.05rem;
            }
            .category-hero h1 {
                font-size: 1.45rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat .stat-number {
                font-size: 1.25rem;
            }
            .hero-stat .stat-label {
                font-size: 0.72rem;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-body h3 {
                font-size: 0.95rem;
            }
            .faq-item summary {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .highlight-panel {
                padding: 18px 16px;
            }
            .highlight-panel h3 {
                font-size: 1.05rem;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #06060f;
            --bg-body: #0a0a18;
            --bg-panel: #0f0f22;
            --bg-card: #14142b;
            --bg-card-hover: #1a1a38;
            --bg-elevated: #181835;
            --color-primary: #00d4ff;
            --color-primary-glow: rgba(0, 212, 255, 0.35);
            --color-accent: #b347ea;
            --color-accent-glow: rgba(179, 71, 234, 0.35);
            --color-highlight: #ff6b9d;
            --color-success: #00e676;
            --color-warning: #ffab00;
            --text-primary: #e8e8f8;
            --text-secondary: #b0b0cc;
            --text-muted: #6e6e90;
            --text-on-dark: #f0f0fa;
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-glow: rgba(0, 212, 255, 0.25);
            --border-accent: rgba(179, 71, 234, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2), 0 0 8px rgba(0, 212, 255, 0.1);
            --shadow-accent-glow: 0 0 28px rgba(179, 71, 234, 0.25), 0 0 8px rgba(179, 71, 234, 0.12);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'Orbitron', 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1140px;
            --max-width-narrow: 820px;
            --header-height: 72px;
            --nav-gap: 2rem;
        }

        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            background-image:
                radial-gradient(ellipse at 20% 15%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 30%, rgba(179, 71, 234, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 60%, rgba(255, 107, 157, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #4de8ff;
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 24, 0.85);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(8, 8, 20, 0.94);
            border-bottom-color: var(--border-glow);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.3rem;
            letter-spacing: 0.04em;
            color: var(--text-on-dark);
            white-space: nowrap;
            transition: color var(--transition-fast), text-shadow var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-primary);
            text-shadow: 0 0 18px var(--color-primary-glow);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: conic-gradient(from 0deg, var(--color-primary), var(--color-accent), var(--color-highlight), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            box-shadow: 0 0 14px var(--color-primary-glow);
            flex-shrink: 0;
        }
        .nav-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0;
            margin: 0;
            padding: 0;
        }
        .nav-list li {
            display: flex;
            align-items: center;
        }
        .nav-list li a {
            display: inline-block;
            padding: 10px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            border-radius: 20px;
            transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
            position: relative;
        }
        .nav-list li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-list li a.nav-active {
            color: #fff;
            font-weight: 600;
            background: rgba(0, 212, 255, 0.08);
            box-shadow: inset 0 0 0 1px var(--border-glow);
        }
        .nav-list li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--color-primary-glow);
        }
        .nav-divider {
            width: 1px;
            height: 18px;
            background: var(--border-subtle);
            margin: 0 6px;
            flex-shrink: 0;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .mobile-toggle:hover {
            color: var(--color-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .mobile-toggle:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-deep) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 15, 0.55) 0%, rgba(10, 10, 24, 0.78) 40%, rgba(10, 10, 24, 0.94) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glow), var(--border-accent), var(--border-glow), transparent);
            z-index: 2;
            opacity: 0.7;
        }
        .article-banner .container-narrow {
            position: relative;
            z-index: 3;
        }
        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(0, 212, 255, 0.12);
            color: var(--color-primary);
            border: 1px solid var(--border-glow);
            margin-bottom: 18px;
            text-transform: uppercase;
        }
        .article-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 8px var(--color-primary-glow);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 0.6; transform: scale(0.8); }
            50% { opacity: 1; transform: scale(1.2); }
        }
        .article-banner h1 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            text-shadow: 0 0 40px rgba(0, 212, 255, 0.2);
        }
        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .article-meta-row .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-row .meta-icon {
            color: var(--color-primary);
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 16px 0;
            background: var(--bg-panel);
            border-bottom: 1px solid var(--border-subtle);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.84rem;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb li a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 0.7rem;
            opacity: 0.6;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--text-primary);
            font-weight: 500;
            pointer-events: none;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            padding: 50px 0 60px;
        }
        .article-content-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .article-content-card::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 30px;
            right: 30px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
            border-radius: 2px;
            opacity: 0.6;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin: 2em 0 0.8em;
            padding-bottom: 0.4em;
            border-bottom: 1px solid var(--border-subtle);
            letter-spacing: 0.02em;
        }
        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin: 1.6em 0 0.6em;
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0;
            padding-left: 1.5em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 3px solid var(--color-primary);
            margin: 1.6em 0;
            padding: 14px 20px;
            background: rgba(0, 212, 255, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.4em auto;
            box-shadow: var(--shadow-md);
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 6px;
            border-radius: 3px;
            font-size: 0.9em;
            color: var(--color-highlight);
        }
        .article-body pre {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            overflow-x: auto;
            margin: 1.4em 0;
            font-size: 0.9rem;
        }
        .article-body strong {
            color: #fff;
            font-weight: 600;
        }
        .article-body a {
            color: var(--color-primary);
            text-decoration: underline;
            text-decoration-color: rgba(0, 212, 255, 0.3);
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            text-decoration-color: var(--color-primary);
        }
        .article-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }
        .article-tag {
            display: inline-block;
            padding: 5px 13px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(179, 71, 234, 0.1);
            color: var(--color-accent);
            border: 1px solid var(--border-accent);
            transition: all var(--transition-fast);
        }
        .article-tag:hover {
            background: rgba(179, 71, 234, 0.2);
            box-shadow: 0 0 12px var(--color-accent-glow);
        }
        .article-share-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--border-subtle);
        }
        .article-share-row span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .share-btn:hover {
            color: #fff;
            background: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: 0 0 16px var(--color-primary-glow);
            transform: translateY(-2px);
        }

        /* ========== NOT FOUND ========== */
        .not-found-section {
            padding: 100px 0;
            text-align: center;
        }
        .not-found-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            border: 1px solid var(--border-subtle);
            max-width: 580px;
            margin: 0 auto;
        }
        .not-found-icon {
            font-size: 3.5rem;
            color: var(--color-warning);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-card h2 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--color-primary);
            color: #000;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }
        .btn-back:hover {
            background: #4de8ff;
            box-shadow: 0 0 24px var(--color-primary-glow);
            color: #000;
            transform: translateY(-2px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 50px 0 70px;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-subtle);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-display);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 1px;
            background: var(--color-primary);
            opacity: 0.5;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.3rem, 2.5vw, 1.75rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 36px;
            letter-spacing: 0.02em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card-cat {
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--color-accent);
        }
        .related-card-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: auto;
        }
        .related-card-link {
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 70px 0;
            background: var(--bg-deep);
            background-image:
                radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 70%),
                radial-gradient(ellipse at 30% 70%, rgba(179, 71, 234, 0.05) 0%, transparent 60%);
            text-align: center;
            border-top: 1px solid var(--border-subtle);
        }
        .cta-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-glow);
            max-width: 680px;
            margin: 0 auto;
            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, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-card h3 {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--color-primary), #0099cc);
            color: #000;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
        }
        .btn-cta:hover {
            background: linear-gradient(135deg, #4de8ff, #00b8e6);
            box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
            color: #000;
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            padding: 50px 0 30px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-divider {
            width: 60px;
            height: 1px;
            background: var(--border-subtle);
            margin: 0 auto 16px;
        }
        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .article-content-card {
                padding: 30px 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .container,
            .container-narrow {
                padding: 0 16px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 24, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                transition: transform var(--transition-smooth), opacity var(--transition-smooth);
                z-index: 999;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-list li a {
                display: block;
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-divider {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .article-banner {
                padding: 50px 0 40px;
                background-attachment: scroll;
            }
            .article-content-card {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-card-img {
                height: 140px;
            }
            .related-card-body {
                padding: 12px 14px 16px;
            }
            .cta-card {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .section-title {
                margin-bottom: 24px;
            }
        }
        @media (max-width: 520px) {
            .article-banner {
                padding: 36px 0 28px;
            }
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .article-meta-row {
                gap: 10px;
                font-size: 0.78rem;
            }
            .article-content-card {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-card-img {
                height: 160px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-card {
                padding: 24px 16px;
            }
            .cta-card h3 {
                font-size: 1.15rem;
            }
            .breadcrumb {
                font-size: 0.76rem;
                gap: 3px;
            }
            .article-tags-row {
                gap: 6px;
            }
            .article-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .article-share-row {
                gap: 8px;
            }
            .share-btn {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            .footer-links {
                gap: 14px;
            }
        }