/* roulang page: index */
:root {
            --bg-primary: #0a0e14;
            --bg-secondary: #0d1117;
            --bg-card: #141a24;
            --bg-card-hover: #1a2232;
            --bg-elevated: #18202e;
            --bg-nav: #0b0f17;
            --gold: #d4a843;
            --gold-light: #e8c56d;
            --gold-dark: #b8922e;
            --accent: #e8833a;
            --accent-light: #f0a060;
            --text-primary: #e8e6e3;
            --text-secondary: #b0b3b8;
            --text-muted: #6b6e75;
            --text-inverse: #0a0e14;
            --border: #1e2430;
            --border-light: #2a3140;
            --border-accent: #3d3520;
            --success: #4ade80;
            --danger: #f87171;
            --info: #60a5fa;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
            --shadow-gold: 0 0 20px rgba(212,168,67,0.15);
            --shadow-gold-lg: 0 0 40px rgba(212,168,67,0.2);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --nav-width: 260px;
            --nav-width-tablet: 220px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        *, *::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);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            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, input, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

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

        h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }

        p { margin-bottom: 0.8rem; color: var(--text-secondary); }
        p:last-child { margin-bottom: 0; }

        ::selection {
            background: var(--gold);
            color: var(--text-inverse);
        }

        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-secondary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ============ LAYOUT ============ */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        /* ============ SIDE NAVIGATION ============ */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-nav);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            overflow-y: auto;
            transition: transform var(--transition-slow), width var(--transition-base);
            padding: 0;
        }

        .side-nav-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 28px 20px 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 36px;
            padding: 0 8px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--gold) 0%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .nav-brand-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .nav-brand-text small {
            display: block;
            font-weight: 400;
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-link:hover {
            background: var(--bg-elevated);
            color: var(--text-primary);
        }

        .nav-link.active {
            background: var(--bg-elevated);
            color: var(--gold);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--gold);
            border-radius: var(--radius-md);
        }

        .nav-link-indicator {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-link.active .nav-link-indicator {
            background: var(--gold);
            box-shadow: 0 0 8px var(--gold);
        }

        .nav-link:hover .nav-link-indicator {
            background: var(--text-muted);
        }

        .nav-footer {
            flex-shrink: 0;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .nav-cta-btn {
            display: block;
            width: 100%;
            padding: 12px 16px;
            background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 50%, var(--accent) 100%);
            color: var(--text-inverse);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-md);
            text-align: center;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-gold);
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
            filter: brightness(1.1);
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 10px;
            font-size: 0.75rem;
            color: var(--text-muted);
            padding: 0 8px;
        }

        .nav-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 8px var(--success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ============ MAIN CONTENT ============ */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-inner {
            flex: 1;
            padding: 0;
        }

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }

        .mobile-header-logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            flex: 1;
        }

        .hamburger-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger-btn span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

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

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.7);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-overlay.show {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            width: 260px;
            bottom: 0;
            background: var(--bg-nav);
            border-right: 1px solid var(--border);
            z-index: 99;
            padding: 16px;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel.show {
            transform: translateX(0);
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 60px 40px;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            width: 100%;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            padding: 80px 40px 70px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,20,0.88) 0%, rgba(10,14,20,0.7) 40%, rgba(10,14,20,0.82) 100%);
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212,168,67,0.18) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-glow-2 {
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232,131,58,0.12) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1100px;
            margin: 0 auto;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212,168,67,0.12);
            border: 1px solid rgba(212,168,67,0.3);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--gold-light);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 8px var(--gold);
            animation: pulse-dot 2s infinite;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            max-width: 700px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 40%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 50%, var(--accent) 100%);
            color: var(--text-inverse);
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

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

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: rgba(212,168,67,0.06);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 50px;
        }

        .btn-gold-sm {
            background: rgba(212,168,67,0.1);
            border: 1px solid rgba(212,168,67,0.3);
            color: var(--gold-light);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 8px 18px;
            border-radius: 50px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-gold-sm:hover {
            background: rgba(212,168,67,0.2);
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }

        /* ============ 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);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

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

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(212,168,67,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
            border: 1px solid rgba(212,168,67,0.2);
        }

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

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

        /* ============ CATEGORY CARD ============ */
        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 28px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .category-entry-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .category-entry-img {
            width: 280px;
            min-height: 200px;
            object-fit: cover;
            flex-shrink: 0;
            border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        }

        .category-entry-body {
            padding: 24px 28px 24px 0;
            flex: 1;
        }

        .category-entry-body h3 {
            font-size: 1.4rem;
            margin-bottom: 8px;
        }
        .category-entry-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        /* ============ CMS LIST ============ */
        .cms-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

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

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

        .cms-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-elevated);
        }

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

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

        .cms-card-category {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10,14,20,0.85);
            border: 1px solid rgba(212,168,67,0.4);
            color: var(--gold-light);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

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

        .cms-card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .cms-card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .cms-card-body h3 a:hover {
            color: var(--gold-light);
        }

        .cms-card-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .cms-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-light);
            grid-column: 1 / -1;
        }

        /* ============ STATS PANEL (HUD) ============ */
        .stats-hud-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-hud-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .stat-hud-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            right: 20%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
            opacity: 0.5;
        }

        .stat-hud-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-gold);
        }

        .stat-hud-value {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .stat-hud-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .stat-hud-icon {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        /* ============ HIGHLIGHTS ============ */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

        .highlight-card img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
        }

        .highlight-card-body {
            padding: 22px 24px;
        }

        .highlight-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .highlight-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ STEPS ============ */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .steps-list::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--gold), var(--border-accent), var(--border));
            border-radius: 1px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 16px 0;
            position: relative;
            align-items: flex-start;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--gold-light);
            flex-shrink: 0;
            z-index: 2;
            font-family: var(--font-mono);
        }

        .step-item.active .step-number {
            background: var(--gold);
            color: var(--text-inverse);
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }

        .step-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .step-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--gold-light);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            background: var(--gold);
            color: var(--text-inverse);
            border-color: var(--gold);
            transform: rotate(45deg);
        }

        .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: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            text-align: center;
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-glow {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212,168,67,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid var(--border);
            padding: 36px 40px 24px;
            margin-top: 0;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            align-items: flex-start;
        }

        .footer-brand {
            flex: 0 0 auto;
            min-width: 180px;
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .footer-brand-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            max-width: 240px;
        }

        .footer-links {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .footer-link-group h4 {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-link-group a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-link-group a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            max-width: 1100px;
            margin: 24px auto 0;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .side-nav {
                width: var(--nav-width-tablet);
            }
            .main-content {
                margin-left: var(--nav-width-tablet);
            }
            .nav-brand-text {
                font-size: 0.9rem;
            }
            .nav-link {
                font-size: 0.85rem;
                padding: 10px 12px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-hud-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cms-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-entry-card {
                flex-direction: column;
            }
            .category-entry-img {
                width: 100%;
                min-height: 180px;
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            }
            .category-entry-body {
                padding: 20px 24px;
            }
            .section {
                padding: 44px 28px;
            }
            .hero-section {
                padding: 60px 28px 50px;
                min-height: 400px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .hero-section {
                padding: 48px 20px 40px;
                min-height: 380px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-hud-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-hud-value {
                font-size: 1.6rem;
            }
            .cms-list-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section {
                padding: 36px 20px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .category-entry-card {
                flex-direction: column;
            }
            .category-entry-img {
                width: 100%;
                min-height: 160px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .category-entry-body {
                padding: 16px 20px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 20px;
            }
            .footer-links {
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .steps-list::before {
                left: 18px;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
            .step-item {
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-section {
                padding: 36px 16px 32px;
                min-height: 320px;
            }
            .section {
                padding: 28px 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stats-hud-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-hud-card {
                padding: 16px 12px;
            }
            .stat-hud-value {
                font-size: 1.35rem;
            }
            .stat-hud-label {
                font-size: 0.7rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.8rem;
            }
            .cta-content h2 {
                font-size: 1.3rem;
            }
            .mobile-header {
                padding: 0 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e83a6f;
            --primary-dark: #c42d5b;
            --primary-light: #f26b93;
            --secondary: #f9c74f;
            --accent: #00d2c4;
            --bg-deep: #0f1119;
            --bg-darker: #1a1d2e;
            --bg-card: #212438;
            --bg-panel: #262a3f;
            --text-main: #ffffff;
            --text-secondary: #b0b3cb;
            --text-muted: #6e7191;
            --border-subtle: #2a2f47;
            --border-glow: rgba(232, 58, 111, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(232,58,111,0.15);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --side-nav-width: 240px;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            display: flex;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button, .btn {
            cursor: pointer;
            font-family: inherit;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            width: var(--side-nav-width);
            background: var(--bg-darker);
            border-right: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
        }

        .side-nav-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 28px 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 50px;
            color: #fff;
        }

        .nav-brand-icon {
            font-size: 32px;
            line-height: 1;
        }

        .nav-brand-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.3px;
            display: flex;
            flex-direction: column;
        }

        .nav-brand-text small {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 0 1 auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
        }

        .nav-link:hover {
            background: rgba(255,255,255,0.05);
            color: #fff;
        }

        .nav-link.active {
            background: rgba(232,58,111,0.12);
            color: var(--primary-light);
        }

        .nav-link-indicator {
            width: 4px;
            height: 20px;
            background: transparent;
            border-radius: 2px;
            transition: background var(--transition);
        }

        .nav-link.active .nav-link-indicator {
            background: var(--primary);
        }

        .nav-footer {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .nav-cta-btn {
            display: block;
            text-align: center;
            background: var(--primary);
            color: #fff;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: background var(--transition);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .nav-status-dot {
            width: 8px;
            height: 8px;
            background: #34c759;
            border-radius: 50%;
            box-shadow: 0 0 8px #34c759;
        }

        /* 主内容区 */
        .main-wrapper {
            margin-left: var(--side-nav-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* 页面头部 */
        .page-hero {
            background: linear-gradient(135deg, #1f1735 0%, #2d1b3a 100%);
            border-bottom: 1px solid var(--border-subtle);
            padding: 60px 0 50px;
        }

        .page-hero-content {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .page-hero-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232,58,111,0.2);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            width: fit-content;
            border: 1px solid rgba(232,58,111,0.3);
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -1px;
            color: #fff;
            line-height: 1.2;
        }

        .page-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 700px;
        }

        /* 技巧路径图 */
        .pathway-section {
            padding: 70px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .pathway-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .pathway-step {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            flex: 1 1 220px;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .pathway-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 0 15px rgba(232,58,111,0.4);
        }

        .step-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.5;
        }

        /* 对比面板 */
        .compare-section {
            padding: 60px 0;
            background: var(--bg-darker);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .compare-panels {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 30px;
        }

        .compare-card {
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition);
        }

        .compare-card.highlight {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            position: relative;
        }

        .compare-card.highlight::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .compare-card h3 {
            font-size: 22px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 24px;
        }

        .compare-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .compare-list li::before {
            content: '✓';
            color: var(--accent);
            font-weight: bold;
        }

        .compare-btn {
            display: block;
            text-align: center;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary-light);
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            transition: all var(--transition);
        }

        .compare-btn:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 技巧卡片网格 */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

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

        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
        }

        .tip-card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .tip-card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(transparent, var(--bg-card));
        }

        .tip-card-body {
            padding: 20px 24px 24px;
        }

        .tip-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(232,58,111,0.15);
            padding: 4px 12px;
            border-radius: 12px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .tip-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .tip-card p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .tip-card-meta {
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 数据指标 */
        .metrics-section {
            padding: 70px 0;
        }

        .metrics-dashboard {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .metric-item {
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
        }

        .metric-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* FAQ */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-darker);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 30px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 17px;
            font-weight: 600;
            background: transparent;
            border: none;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            text-align: center;
        }

        .cta-box {
            background: linear-gradient(135deg, #30204a 0%, #3a1f4a 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: var(--shadow-card);
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: var(--text-secondary);
            margin-bottom: 30px;
            font-size: 18px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 17px;
            border: none;
            transition: background var(--transition);
            display: inline-block;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: auto;
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 260px;
        }

        .footer-links {
            display: flex;
            gap: 70px;
            flex-wrap: wrap;
        }

        .footer-link-group h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        .footer-link-group a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 10px;
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-link-group a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 13px;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* 移动端导航汉堡 */
        .mobile-nav-toggle {
            display: none;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .side-nav {
                position: relative;
                width: 100%;
                height: auto;
                flex-direction: row;
                align-items: center;
                padding: 12px 20px;
                border-right: none;
                border-bottom: 1px solid var(--border-subtle);
            }
            .side-nav-inner {
                flex-direction: row;
                width: 100%;
                align-items: center;
                padding: 0;
                justify-content: space-between;
            }
            .nav-brand {
                margin-bottom: 0;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                width: 100%;
                background: var(--bg-darker);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-menu.open {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
                background: transparent;
                border: none;
                color: #fff;
                font-size: 24px;
            }
            .nav-footer {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .pathway-step {
                flex: 1 1 100%;
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 24px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                flex-direction: column;
                gap: 30px;
            }
            .footer-links {
                gap: 30px;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #0d0d1a;
            --bg-surface: #151528;
            --bg-card: #1a1a30;
            --bg-card-hover: #1f1f3a;
            --bg-nav: #0a0a16;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --accent-neon: #ff2d78;
            --accent-neon-dim: rgba(255,45,120,0.25);
            --accent-gold: #f0c060;
            --accent-gold-dim: rgba(240,192,96,0.2);
            --accent-cyan: #00d4aa;
            --border-subtle: rgba(255,255,255,0.07);
            --border-medium: rgba(255,255,255,0.12);
            --border-glow: rgba(255,45,120,0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
            --shadow-glow-neon: 0 0 30px rgba(255,45,120,0.2), 0 0 8px rgba(255,45,120,0.1);
            --shadow-glow-gold: 0 0 24px rgba(240,192,96,0.18);
            --nav-width: 260px;
            --nav-collapsed-width: 0px;
            --mobile-nav-height: 60px;
            --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
            --transition-smooth: 0.35s cubic-bezier(0.4,0,0.2,1);
            --font-display: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-mono: 'SF Mono','Consolas','Monaco',monospace;
        }

        *,*::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{cursor:pointer;border:none;outline:none;font-family:inherit}
        input,textarea{font-family:inherit;outline:none}

        .app-layout{display:flex;min-height:100vh;position:relative}

        /* ===== SIDE NAVIGATION ===== */
        .side-nav{position:fixed;left:0;top:0;width:var(--nav-width);height:100vh;background:var(--bg-nav);border-right:1px solid var(--border-subtle);z-index:100;display:flex;flex-direction:column;transition:transform var(--transition-smooth),width var(--transition-smooth);overflow-y:auto;overflow-x:hidden}
        .side-nav-inner{display:flex;flex-direction:column;height:100%;padding:24px 20px}
        .nav-brand{display:flex;align-items:center;gap:12px;padding:8px 0 20px;border-bottom:1px solid var(--border-subtle);margin-bottom:24px;text-decoration:none;transition:opacity var(--transition-fast)}
        .nav-brand:hover{opacity:0.85}
        .nav-brand-icon{width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-neon),#c02660);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:var(--shadow-glow-neon)}
        .nav-brand-text{display:flex;flex-direction:column;font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--text-primary);line-height:1.25}
        .nav-brand-text small{font-size:11px;font-weight:400;color:var(--text-muted);letter-spacing:0.5px}
        .nav-menu{flex:1;display:flex;flex-direction:column;gap:4px}
        .nav-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-md);font-size:15px;font-weight:500;color:var(--text-secondary);position:relative;transition:all var(--transition-fast)}
        .nav-link:hover{background:rgba(255,255,255,0.04);color:var(--text-primary)}
        .nav-link.active{background:rgba(255,45,120,0.1);color:var(--accent-neon);font-weight:600}
        .nav-link.active .nav-link-indicator{background:var(--accent-neon);box-shadow:0 0 12px rgba(255,45,120,0.6)}
        .nav-link-indicator{width:6px;height:6px;border-radius:50%;background:transparent;flex-shrink:0;transition:all var(--transition-fast)}
        .nav-link:hover .nav-link-indicator{background:var(--text-muted)}
        .nav-footer{margin-top:auto;padding-top:20px;border-top:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:12px}
        .nav-cta-btn{display:block;text-align:center;padding:12px 20px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-neon),#c02660);color:#fff;font-weight:600;font-size:14px;letter-spacing:0.5px;transition:all var(--transition-fast);box-shadow:0 4px 16px rgba(255,45,120,0.3)}
        .nav-cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,45,120,0.45);color:#fff}
        .nav-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);padding:0 4px}
        .nav-status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-cyan);flex-shrink:0;animation:pulse-dot 2s ease-in-out infinite}
        @keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 6px var(--accent-cyan)}50%{opacity:0.4;box-shadow:0 0 2px var(--accent-cyan)}}

        /* ===== MOBILE NAV TOGGLE ===== */
        .mobile-nav-toggle{display:none;position:fixed;top:14px;right:16px;z-index:200;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-medium);color:var(--text-primary);font-size:20px;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}
        .mobile-nav-toggle:hover{background:var(--bg-card-hover);border-color:var(--border-glow)}
        .mobile-nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:99;opacity:0;transition:opacity var(--transition-smooth);pointer-events:none}
        .mobile-nav-overlay.active{opacity:1;pointer-events:auto}

        /* ===== MAIN CONTENT AREA ===== */
        .main-content{margin-left:var(--nav-width);flex:1;min-width:0;transition:margin-left var(--transition-smooth)}

        /* ===== ARTICLE HERO / BANNER ===== */
        .article-banner{position:relative;background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);overflow:hidden}
        .article-banner-bg{position:absolute;inset:0;opacity:0.08;background-size:cover;background-position:center;background-repeat:no-repeat;filter:blur(2px)}
        .article-banner-inner{position:relative;max-width:900px;margin:0 auto;padding:40px 32px 36px}
        .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);flex-wrap:wrap;margin-bottom:20px}
        .breadcrumb a{color:var(--text-secondary);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:var(--accent-neon)}
        .breadcrumb .sep{color:var(--text-muted);font-size:10px}
        .breadcrumb .current{color:var(--accent-neon);font-weight:500}
        .article-meta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}
        .article-cat-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:0.5px;background:rgba(255,45,120,0.12);color:var(--accent-neon);border:1px solid rgba(255,45,120,0.2)}
        .article-date{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
        .article-date i{font-size:12px;color:var(--accent-gold)}
        .article-h1{font-family:var(--font-display);font-size:32px;font-weight:800;line-height:1.3;color:var(--text-primary);letter-spacing:-0.3px}
        .article-h1.not-found{color:var(--accent-gold)}

        /* ===== ARTICLE FEATURED IMAGE ===== */
        .article-featured-image{margin:0 auto;max-width:900px;padding:0 32px}
        .article-featured-image-inner{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-medium);box-shadow:var(--shadow-card);margin-top:-20px;position:relative;z-index:2;background:var(--bg-card)}
        .article-featured-image-inner img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}

        /* ===== ARTICLE BODY ===== */
        .article-body-wrapper{max-width:900px;margin:0 auto;padding:36px 32px 48px}
        .article-content{font-size:16px;line-height:1.9;color:var(--text-primary)}
        .article-content h2{font-family:var(--font-display);font-size:24px;font-weight:700;margin:36px 0 16px;color:var(--text-primary);padding-left:16px;border-left:3px solid var(--accent-neon)}
        .article-content h3{font-family:var(--font-display);font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--accent-gold)}
        .article-content p{margin-bottom:16px;color:var(--text-secondary)}
        .article-content ul,.article-content ol{padding-left:24px;margin-bottom:16px;color:var(--text-secondary)}
        .article-content li{margin-bottom:8px}
        .article-content blockquote{margin:20px 0;padding:18px 24px;border-left:4px solid var(--accent-neon);background:rgba(255,45,120,0.05);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-secondary);font-style:italic}
        .article-content strong{color:var(--text-primary);font-weight:600}
        .article-content a{color:var(--accent-neon);text-decoration:underline;text-underline-offset:3px}
        .article-content a:hover{color:var(--accent-gold)}
        .article-content img{border-radius:var(--radius-md);margin:16px 0;max-width:100%}
        .article-content table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
        .article-content th{background:var(--bg-card);padding:10px 14px;text-align:left;font-weight:600;color:var(--accent-gold);border:1px solid var(--border-subtle)}
        .article-content td{padding:10px 14px;border:1px solid var(--border-subtle);color:var(--text-secondary)}
        .article-content code{background:var(--bg-card);padding:3px 8px;border-radius:4px;font-family:var(--font-mono);font-size:13px;color:var(--accent-cyan)}

        /* ===== NOT FOUND STATE ===== */
        .not-found-card{text-align:center;padding:60px 32px;background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-medium)}
        .not-found-card .nf-icon{font-size:56px;margin-bottom:16px;display:block}
        .not-found-card h2{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--accent-gold)}
        .not-found-card p{margin-bottom:20px;color:var(--text-muted)}
        .btn-back-home{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);background:var(--accent-neon);color:#fff;font-weight:600;font-size:14px;transition:all var(--transition-fast);box-shadow:0 4px 16px rgba(255,45,120,0.3)}
        .btn-back-home:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,45,120,0.45);color:#fff}

        /* ===== RELATED POSTS SECTION ===== */
        .related-section{max-width:900px;margin:0 auto;padding:0 32px 48px}
        .related-section-header{margin-bottom:24px}
        .related-section-header h3{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:10px}
        .related-section-header h3::after{content:'';flex:1;height:1px;background:var(--border-medium)}
        .related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
        .related-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-subtle);transition:all var(--transition-fast);display:flex;flex-direction:column}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow-neon);border-color:var(--border-glow)}
        .related-card-img{aspect-ratio:16/9;overflow:hidden;background:var(--bg-surface)}
        .related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-smooth)}
        .related-card:hover .related-card-img img{transform:scale(1.04)}
        .related-card-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}
        .related-card-cat{font-size:11px;font-weight:600;color:var(--accent-neon);letter-spacing:0.5px;text-transform:uppercase}
        .related-card-title{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .related-card-date{font-size:12px;color:var(--text-muted);margin-top:auto}
        .related-empty{grid-column:1/-1;text-align:center;padding:32px;color:var(--text-muted);font-size:14px}

        /* ===== CTA SECTION ===== */
        .cta-section{background:var(--bg-surface);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
        .cta-inner{max-width:700px;margin:0 auto;padding:48px 32px;text-align:center}
        .cta-inner h3{font-family:var(--font-display);font-size:26px;font-weight:800;color:var(--text-primary);margin-bottom:12px}
        .cta-inner p{color:var(--text-secondary);font-size:15px;margin-bottom:24px;line-height:1.7}
        .cta-btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
        .cta-btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-neon),#c02660);color:#fff;font-weight:600;font-size:15px;letter-spacing:0.5px;transition:all var(--transition-fast);box-shadow:0 4px 20px rgba(255,45,120,0.35)}
        .cta-btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 32px rgba(255,45,120,0.5);color:#fff}
        .cta-btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);background:transparent;color:var(--text-primary);font-weight:600;font-size:15px;border:1px solid var(--border-medium);transition:all var(--transition-fast)}
        .cta-btn-secondary:hover{border-color:var(--accent-gold);color:var(--accent-gold);box-shadow:var(--shadow-glow-gold)}

        /* ===== FOOTER ===== */
        .site-footer{background:var(--bg-nav);border-top:1px solid var(--border-subtle);padding:40px 32px 24px}
        .footer-inner{max-width:900px;margin:0 auto;display:flex;gap:40px;flex-wrap:wrap;margin-bottom:24px}
        .footer-brand{flex:1;min-width:200px}
        .footer-brand-name{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px}
        .footer-brand-desc{font-size:13px;color:var(--text-muted);line-height:1.6}
        .footer-links{display:flex;gap:40px;flex-wrap:wrap}
        .footer-link-group h4{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;letter-spacing:0.5px}
        .footer-link-group a{display:block;font-size:13px;color:var(--text-muted);margin-bottom:8px;transition:color var(--transition-fast)}
        .footer-link-group a:hover{color:var(--accent-neon)}
        .footer-bottom{max-width:900px;margin:0 auto;padding-top:20px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-muted)}

        /* ===== RESPONSIVE ===== */
        @media (max-width:1024px){
            .article-h1{font-size:26px}
            .article-banner-inner{padding:30px 24px 28px}
            .article-body-wrapper{padding:28px 24px 36px}
            .related-grid{grid-template-columns:repeat(2,1fr)}
            .related-section{padding:0 24px 36px}
            .article-featured-image{padding:0 24px}
        }
        @media (max-width:768px){
            .side-nav{transform:translateX(-100%);width:280px;box-shadow:8px 0 30px rgba(0,0,0,0.5)}
            .side-nav.mobile-open{transform:translateX(0)}
            .main-content{margin-left:0}
            .mobile-nav-toggle{display:flex}
            .mobile-nav-overlay{display:block}
            .article-banner-inner{padding:24px 20px 22px}
            .article-h1{font-size:22px}
            .article-body-wrapper{padding:22px 20px 28px}
            .article-content{font-size:15px}
            .article-content h2{font-size:20px}
            .article-content h3{font-size:17px}
            .related-grid{grid-template-columns:1fr}
            .related-section{padding:0 20px 28px}
            .cta-inner{padding:36px 20px}
            .cta-inner h3{font-size:21px}
            .article-featured-image{padding:0 20px}
            .article-featured-image-inner{margin-top:-14px;border-radius:var(--radius-md)}
            .footer-inner{flex-direction:column;gap:24px}
            .footer-bottom{flex-direction:column;text-align:center}
            .breadcrumb{font-size:12px}
            .article-meta-row{gap:10px}
        }
        @media (max-width:520px){
            .article-h1{font-size:19px}
            .article-banner-inner{padding:20px 14px 18px}
            .article-body-wrapper{padding:18px 14px 24px}
            .article-content{font-size:14px;line-height:1.75}
            .article-content h2{font-size:18px;margin:28px 0 12px;padding-left:12px}
            .article-content h3{font-size:15px}
            .related-section{padding:0 14px 24px}
            .related-card-body{padding:12px}
            .related-card-title{font-size:13px}
            .cta-inner{padding:28px 14px}
            .cta-inner h3{font-size:18px}
            .cta-btn-group{flex-direction:column;align-items:stretch}
            .cta-btn-primary,.cta-btn-secondary{justify-content:center;padding:12px 20px;font-size:14px}
            .article-featured-image{padding:0 14px}
            .not-found-card{padding:40px 20px}
        }