/* roulang page: index */
:root {
            --bg-deep: #0a0e14;
            --bg-primary: #0d1117;
            --bg-card: #161b24;
            --bg-card-hover: #1c2330;
            --bg-glass: rgba(13, 17, 23, 0.78);
            --bg-glass-solid: rgba(13, 17, 23, 0.96);
            --gold: #f0b90b;
            --gold-light: #f7cc3d;
            --gold-dark: #c49a08;
            --accent: #3b82f6;
            --accent-light: #60a5fa;
            --accent-glow: rgba(59, 130, 246, 0.3);
            --text-primary: #e8edf4;
            --text-secondary: #b0b8c4;
            --text-muted: #6b7280;
            --text-on-gold: #1a1a0a;
            --border-card: #212836;
            --border-subtle: #2a3040;
            --border-gold: rgba(240, 185, 11, 0.35);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-gold: 0 4px 24px rgba(240, 185, 11, 0.2);
            --shadow-gold-lg: 0 8px 48px rgba(240, 185, 11, 0.3);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'PingFang SC', monospace;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: 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 {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

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

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
        }
        .site-header.scrolled {
            background: var(--bg-glass-solid);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .site-header:not(.scrolled) {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--gold);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--text-on-gold);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: var(--gold);
            background: rgba(240, 185, 11, 0.08);
            box-shadow: inset 0 0 0 1px rgba(240, 185, 11, 0.2);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 10px var(--gold);
        }

        .nav-cta {
            padding: 9px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: var(--text-on-gold);
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.01em;
        }
        .nav-cta:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
            filter: brightness(1.08);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            z-index: 1001;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-glass-solid);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding-top: 40px;
            gap: 10px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: all;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 32px;
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius);
            transition: all var(--transition-fast);
            text-align: center;
            width: 80%;
            max-width: 360px;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--gold);
            background: rgba(240, 185, 11, 0.06);
        }
        .mobile-menu .nav-cta {
            margin-top: 16px;
            text-align: center;
            width: 80%;
            max-width: 360px;
            display: block;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--bg-deep);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
            filter: saturate(0.7) brightness(0.55);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 40%, rgba(240, 185, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(59, 130, 246, 0.06) 0%, transparent 55%),
                linear-gradient(180deg, rgba(10, 14, 20, 0.3) 0%, rgba(10, 14, 20, 0.85) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 40px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 20px;
            background: rgba(240, 185, 11, 0.12);
            border: 1px solid var(--border-gold);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold-light);
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
            animation: pulse-dot 2s ease-in-out infinite;
            box-shadow: 0 0 8px var(--gold);
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 8px var(--gold);
            }
            50% {
                box-shadow: 0 0 20px var(--gold), 0 0 36px rgba(240, 185, 11, 0.5);
            }
        }
        .hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: var(--text-on-gold);
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
            filter: brightness(1.06);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-subtle);
        }
        .btn-outline:hover {
            border-color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }

        .hero-floating-nodes {
            position: absolute;
            z-index: 1;
            pointer-events: none;
        }
        .float-node {
            position: absolute;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gold);
            opacity: 0.5;
            animation: float-node 6s ease-in-out infinite;
            box-shadow: 0 0 16px rgba(240, 185, 11, 0.5);
        }
        .float-node:nth-child(1) {
            top: 18%;
            right: 12%;
            animation-delay: 0s;
        }
        .float-node:nth-child(2) {
            top: 35%;
            right: 28%;
            width: 7px;
            height: 7px;
            animation-delay: 2s;
            background: var(--accent-light);
            box-shadow: 0 0 14px var(--accent-glow);
        }
        .float-node:nth-child(3) {
            top: 55%;
            right: 18%;
            width: 12px;
            height: 12px;
            animation-delay: 4s;
        }
        @keyframes float-node {
            0%,
            100% {
                transform: translateY(0) scale(1);
                opacity: 0.5;
            }
            50% {
                transform: translateY(-28px) scale(1.5);
                opacity: 0.9;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== FEATURES GRID ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-subtle);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: rgba(240, 185, 11, 0.1);
            color: var(--gold-light);
            flex-shrink: 0;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid var(--border-card);
            background: var(--bg-card);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-subtle);
        }
        .category-card-img {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
            transition: opacity var(--transition), transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            opacity: 0.7;
            transform: scale(1.05);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(0deg, rgba(10, 14, 20, 0.95) 0%, rgba(10, 14, 20, 0.3) 55%, rgba(10, 14, 20, 0.05) 100%);
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
        }
        .category-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            background: rgba(240, 185, 11, 0.2);
            color: var(--gold-light);
            margin-bottom: 10px;
        }
        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== NEWS LIST (CMS) ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-subtle);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .news-card-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-deep);
        }
        .news-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-info {
            flex: 1;
            min-width: 0;
        }
        .news-card-meta {
            display: flex;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .news-card-meta .tag {
            padding: 2px 10px;
            border-radius: 10px;
            background: rgba(59, 130, 246, 0.15);
            color: var(--accent-light);
            font-weight: 600;
            font-size: 0.72rem;
        }
        .news-card h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card h4 a:hover {
            color: var(--gold-light);
        }
        .news-card-excerpt {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-subtle);
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--gold);
            letter-spacing: -0.01em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== PROCESS / STEPS ========== */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-item {
            text-align: center;
            position: relative;
            padding: 24px 16px;
        }
        .process-node {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--gold);
            margin: 0 auto 16px;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
        }
        .process-item:hover .process-node {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            background: rgba(240, 185, 11, 0.08);
        }
        .process-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .process-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .process-connector {
            position: absolute;
            top: 52px;
            left: calc(50% + 28px);
            width: calc(100% - 56px);
            height: 2px;
            background: var(--border-subtle);
            z-index: 1;
            pointer-events: none;
        }
        .process-item:last-child .process-connector {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--bg-card);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: var(--border-subtle);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: all var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item[open] summary::after {
            content: '−';
            color: var(--gold);
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            color: var(--gold-light);
        }
        .faq-item[open] {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-sm);
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 185, 11, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-card);
            padding: 40px 0;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
        }
        .footer-brand span {
            color: var(--gold);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-basis: 100%;
            text-align: center;
            margin-top: 8px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-connector {
                display: none;
            }
            .hero h1 {
                font-size: clamp(2rem, 4vw, 2.8rem);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-list {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 56px 0;
            }
            .hero {
                min-height: 90vh;
            }
            .hero-content {
                padding: 24px 0;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                justify-content: center;
                width: 100%;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .process-list {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
                gap: 12px;
            }
            .news-card-thumb {
                width: 100%;
                height: 160px;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: article */
/* === Design Tokens & Variables === */
        :root {
            --primary: #fbbf24;
            --primary-dark: #d97706;
            --secondary: #60a5fa;
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --border-glass: rgba(255, 255, 255, 0.1);
            --border-strong: rgba(255, 255, 255, 0.2);
            --shadow-glass: 0 10px 40px rgba(0, 0, 0, 0.5);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-base: all 0.3s ease;
        }

        /* === Base Reset & Typography === */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* === Glassmorphism Header === */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            box-shadow: var(--shadow-glass);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 8px;
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--bg-primary);
            box-shadow: 0 0 15px rgba(251, 191, 36, 0.4);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 32px;
            font-weight: 500;
        }

        .nav-links a {
            position: relative;
            padding: 6px 0;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta {
            padding: 10px 20px;
            background: rgba(251, 191, 36, 0.15);
            border: 1px solid var(--primary);
            border-radius: 50px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary);
            color: var(--bg-primary);
            box-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
        }

        .hamburger span {
            width: 26px;
            height: 2px;
            background: #fff;
            transition: var(--transition-base);
            border-radius: 2px;
        }

        /* === Article Hero Banner === */
        .article-hero {
            position: relative;
            min-height: 380px;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center;
            background-size: cover;
            display: flex;
            align-items: flex-end;
            padding-bottom: 60px;
            margin-top: 72px;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 50%, rgba(15, 23, 42, 0.1) 100%);
            z-index: 1;
        }

        .breadcrumb-wrap {
            position: relative;
            z-index: 2;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .breadcrumb-wrap i {
            margin: 0 8px;
            font-size: 0.7rem;
            color: var(--primary);
        }

        .breadcrumb-wrap a {
            color: #fff;
            font-weight: 500;
        }

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

        .article-meta-hero {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 12px;
        }

        .meta-tag {
            background: rgba(251, 191, 36, 0.1);
            border: 1px solid rgba(251, 191, 36, 0.3);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .meta-date {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* === Main Content Layout === */
        .article-main {
            padding: 60px 0 80px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 60px;
            align-items: start;
        }

        .article-primary {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        /* === Content Card === */
        .content-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .article-primary h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 24px;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .divider {
            height: 1px;
            background: var(--border-glass);
            margin: 32px 0;
        }

        .article-body {
            color: var(--text-primary);
            font-size: 1.05rem;
            line-height: 1.9;
            word-wrap: break-word;
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-glass);
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            margin: 28px 0 12px;
        }

        .article-body p {
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

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

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-glass);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(251, 191, 36, 0.05);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px 24px;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 8px;
        }

        /* === Sidebar === */
        .sidebar-card {
            background: rgba(255, 255, 255, 0.02);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card h4 i {
            color: var(--primary);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .tag-item:hover {
            background: rgba(251, 191, 36, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .related-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition-base);
        }

        .related-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .related-item:hover {
            transform: translateX(4px);
        }

        .related-item img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .related-item .info {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .related-item .info small {
            display: block;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 400;
        }

        .search-input {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-primary);
            border: 1px solid var(--border-glass);
            border-radius: 50px;
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition-base);
        }

        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.2);
        }

        /* === Not Found / Error State === */
        .not-found-section {
            min-height: 60vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 24px;
            margin-top: 72px;
        }

        .not-found-icon {
            font-size: 5rem;
            color: var(--primary);
            margin-bottom: 24px;
            opacity: 0.8;
        }

        .not-found-section h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .not-found-section p {
            color: var(--text-secondary);
            max-width: 500px;
            margin-bottom: 40px;
            font-size: 1.1rem;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: var(--bg-primary);
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
        }

        .btn-back:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
        }

        /* === Footer === */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-glass);
            padding: 50px 0;
            margin-top: 80px;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 24px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand span {
            color: var(--primary);
        }

        .footer-links {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

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

        .footer-copy {
            color: var(--text-secondary);
            font-size: 0.85rem;
            opacity: 0.7;
        }

        /* === Responsive Design === */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .article-sidebar {
                position: static;
                top: auto;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .desktop-only {
                display: none !important;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(15, 23, 42, 0.95);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--border-glass);
            }

            .nav-links.mobile-active {
                display: flex;
            }

            .article-hero {
                min-height: 280px;
                padding-bottom: 40px;
            }

            .article-primary h1 {
                font-size: 1.8rem;
            }

            .content-card {
                padding: 24px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .footer-links {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .article-meta-hero {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            
            .article-body {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #6c5ce7;
            --color-primary-dark: #5a4bd1;
            --color-primary-light: #a29bfe;
            --color-secondary: #00cec9;
            --color-secondary-dark: #00a8a5;
            --color-accent: #fdcb6e;
            --color-accent-dark: #f0b920;
            --color-bg-dark: #0a0a1a;
            --color-bg-section: #f8f9fc;
            --color-bg-card: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #555770;
            --color-text-light: #8e8ea0;
            --color-text-on-dark: #e8e8f0;
            --color-border: #e8e8ef;
            --color-border-light: #f0f0f5;
            --color-glass-bg: rgba(14, 14, 32, 0.78);
            --color-glass-bg-scrolled: rgba(14, 14, 32, 0.94);
            --color-glass-border: rgba(255, 255, 255, 0.14);
            --color-glass-border-scrolled: rgba(255, 255, 255, 0.08);
            --color-overlay-dark: rgba(10, 10, 26, 0.55);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 28px 70px rgba(0, 0, 0, 0.20);
            --shadow-glass: 0 6px 30px rgba(0, 0, 0, 0.30);
            --shadow-card-hover: 0 14px 40px rgba(108, 92, 231, 0.16);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-normal: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height: 74px;
            --header-height-scrolled: 62px;
        }

        *,
        *::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: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        /* ============ 容器 ============ */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* ============ 玻璃导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: var(--color-glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-glass-border);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-glass);
        }

        .site-header.scrolled {
            height: var(--header-height-scrolled);
            background: var(--color-glass-bg-scrolled);
            border-bottom: 1px solid var(--color-glass-border-scrolled);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #ffffff;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.4);
            transition: transform var(--transition-fast);
        }

        .logo-link:hover .logo-icon {
            transform: scale(1.05);
        }

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

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.925rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.10);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.16);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: #1a1a2e;
            background: linear-gradient(135deg, var(--color-accent), #ffeaa7);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(253, 203, 110, 0.35);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(253, 203, 110, 0.50);
            color: #0a0a1a;
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.10);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            z-index: 1001;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

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

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

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

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: rgba(10, 10, 26, 0.96);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }

        .mobile-nav-panel.active {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-panel a {
            font-size: 1.4rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            padding: 12px 28px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 12px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            color: #1a1a2e;
            background: linear-gradient(135deg, var(--color-accent), #ffeaa7);
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(253, 203, 110, 0.4);
        }

        /* ============ 分类Hero ============ */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 10, 26, 0.70) 0%,
                    rgba(10, 10, 26, 0.55) 40%,
                    rgba(10, 10, 26, 0.72) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.06), transparent);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .category-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
        }

        .category-hero-tag .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(253, 203, 110, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(253, 203, 110, 0);
            }
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .category-hero h1 span {
            background: linear-gradient(135deg, var(--color-accent), #ffeaa7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .category-search-form {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: 500px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.20);
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: all var(--transition-normal);
        }

        .category-search-form:focus-within {
            border-color: rgba(255, 255, 255, 0.40);
            box-shadow: 0 0 0 6px rgba(108, 92, 231, 0.20);
            background: rgba(255, 255, 255, 0.20);
        }

        .category-search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            background: transparent;
            color: #ffffff;
            font-size: 0.95rem;
            outline: none;
            min-width: 0;
        }

        .category-search-form input::placeholder {
            color: rgba(255, 255, 255, 0.50);
        }

        .category-search-form button {
            padding: 14px 24px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .category-search-form button:hover {
            background: var(--color-primary-dark);
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: 80px 0;
        }

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

        .section-header .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: rgba(108, 92, 231, 0.08);
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ============ 子分类卡片网格 ============ */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .subcat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
        }

        .subcat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(108, 92, 231, 0.20);
        }

        .subcat-card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .subcat-card-body {
            padding: 20px 18px 18px;
            text-align: center;
        }

        .subcat-card-icon {
            font-size: 2rem;
            display: block;
            margin-bottom: 8px;
            margin-top: -36px;
            position: relative;
            z-index: 2;
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.10));
        }

        .subcat-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .subcat-card .subcat-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 10px;
        }

        .subcat-card .subcat-count {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(108, 92, 231, 0.07);
            color: var(--color-primary);
        }

        /* ============ 攻略列表 ============ */
        .guides-list-section {
            background: var(--color-bg-section);
        }

        .guides-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 20px;
            max-width: 860px;
            margin: 0 auto;
        }

        .guide-card {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            padding: 16px;
            align-items: center;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(108, 92, 231, 0.14);
        }

        .guide-card-image {
            width: 180px;
            height: 130px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }

        .guide-card-body {
            flex: 1;
            min-width: 0;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .guide-card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(108, 92, 231, 0.08);
            color: var(--color-primary);
        }

        .guide-card-level {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.73rem;
            font-weight: 500;
            background: rgba(0, 206, 201, 0.08);
            color: var(--color-secondary-dark);
        }

        .guide-card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        .guide-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .guide-card:hover h3 {
            color: var(--color-primary);
        }

        .guide-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ============ 攻略路径流程 ============ */
        .pathway-section {
            background: #ffffff;
            position: relative;
        }

        .pathway-timeline {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 0;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            flex-wrap: wrap;
        }

        .pathway-timeline::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-secondary), var(--color-accent));
            border-radius: 3px;
            z-index: 0;
            opacity: 0.5;
        }

        .pathway-node {
            flex: 1;
            min-width: 160px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }

        .pathway-node-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 3px solid var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            position: relative;
        }

        .pathway-node:hover .pathway-node-circle {
            transform: scale(1.10);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
        }

        .pathway-node:nth-child(2) .pathway-node-circle {
            border-color: var(--color-primary);
            background: linear-gradient(135deg, #f8f7ff, #ffffff);
        }
        .pathway-node:nth-child(3) .pathway-node-circle {
            border-color: var(--color-secondary);
        }
        .pathway-node:nth-child(4) .pathway-node-circle {
            border-color: var(--color-accent);
        }

        .pathway-node h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .pathway-node .pathway-desc {
            font-size: 0.82rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ============ 精选推荐 ============ */
        .featured-section {
            background: var(--color-bg-section);
        }

        .featured-card {
            display: flex;
            gap: 0;
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            max-width: 900px;
            margin: 0 auto;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .featured-card-image {
            width: 42%;
            object-fit: cover;
            flex-shrink: 0;
            min-height: 280px;
        }

        .featured-card-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ffeaa7, var(--color-accent));
            color: #7a6200;
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .featured-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .featured-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .featured-card .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

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

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.16);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition-fast);
            background: transparent;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ============ CTA板块 ============ */
        .cta-section {
            background: linear-gradient(160deg, #0a0a1a 0%, #141430 50%, #0a0a1a 100%);
            color: #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.25), transparent);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 206, 201, 0.20), transparent);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--color-accent), #ffeaa7);
            color: #1a1a2e;
            transition: all var(--transition-fast);
            box-shadow: 0 8px 28px rgba(253, 203, 110, 0.40);
        }

        .btn-primary-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 38px rgba(253, 203, 110, 0.55);
        }

        .btn-secondary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.40);
            color: #ffffff;
            transition: all var(--transition-fast);
        }

        .btn-secondary-cta:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0a0a1a;
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 32px;
            text-align: center;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

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

        .footer-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-copy {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.40);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-card {
                flex-direction: column;
            }

            .featured-card-image {
                width: 100%;
                height: 240px;
                min-height: auto;
            }

            .pathway-timeline::before {
                left: 8%;
                right: 8%;
            }

            .category-hero h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
            }

            .nav-cta.desktop-only {
                display: none;
            }

            .site-header {
                height: 62px;
            }

            .header-inner {
                gap: 16px;
            }

            .logo-link {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .category-hero {
                min-height: 400px;
                padding: 100px 20px 60px;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero-desc {
                font-size: 0.95rem;
            }

            .category-search-form {
                max-width: 100%;
            }

            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .subcat-card-image {
                height: 120px;
            }

            .subcat-card h3 {
                font-size: 0.95rem;
            }

            .guide-card {
                flex-direction: column;
                padding: 14px;
                gap: 14px;
            }

            .guide-card-image {
                width: 100%;
                height: 180px;
            }

            .pathway-timeline {
                flex-direction: column;
                align-items: center;
                gap: 30px;
            }

            .pathway-timeline::before {
                display: none;
            }

            .pathway-node {
                min-width: auto;
                max-width: 280px;
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
            }

            .pathway-node-circle {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                margin: 0;
                flex-shrink: 0;
            }

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

            .featured-card h3 {
                font-size: 1.2rem;
            }

            .faq-question {
                font-size: 0.92rem;
                padding: 16px 18px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .btn-primary-cta,
            .btn-secondary-cta {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .subcat-grid {
                grid-template-columns: 1fr;
                max-width: 360px;
                margin: 0 auto;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .category-hero-desc {
                font-size: 0.85rem;
            }

            .category-search-form input {
                padding: 12px 16px;
                font-size: 0.85rem;
            }

            .category-search-form button {
                padding: 12px 18px;
                font-size: 0.82rem;
            }

            .section-header h2 {
                font-size: 1.35rem;
            }

            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }

            .footer-links {
                gap: 16px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 打印样式 */
        @media print {
            .site-header,
            .site-footer,
            .mobile-nav-panel,
            .hamburger,
            .category-search-form,
            .cta-section,
            .nav-cta {
                display: none !important;
            }

            body {
                background: #fff;
                color: #000;
            }

            .category-hero {
                background-image: none !important;
                min-height: auto;
                padding: 40px 0;
            }

            .category-hero::before {
                background: none;
            }

            .category-hero h1 {
                color: #000;
                font-size: 1.8rem;
            }
        }