/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --bg-page: #0a0f1e;
            --bg-surface: #111a2e;
            --bg-surface-alt: #0d1428;
            --bg-card: #15203a;
            --bg-card-hover: #1a2745;
            --border-line: #243253;
            --border-line-light: #2e3d5f;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --color-gold: #f0b14a;
            --color-gold-dark: #d99a2b;
            --color-gold-light: #fcd34d;
            --color-blue: #38bdf8;
            --color-purple: #a78bfa;
            --color-green: #34d399;
            --color-red: #f87171;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 8px 32px rgba(240, 177, 74, 0.25);
            --transition-fast: all .2s ease;
            --transition-base: all .3s ease;
            --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --header-height: 82px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover,
        a:focus {
            color: var(--color-gold);
        }

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

        button,
        input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 3px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1260px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-block {
            padding: 96px 0;
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .14em;
            text-transform: uppercase;
            color: var(--color-gold);
            background: rgba(240, 177, 74, 0.08);
            border: 1px solid rgba(240, 177, 74, 0.3);
            border-radius: 100px;
            padding: 6px 18px;
            margin-bottom: 20px;
        }

        .section-title {
            font-size: clamp(28px, 3.4vw, 44px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .text-gold-gradient {
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold) 50%, #fff2d1);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(10, 15, 30, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(36, 50, 83, 0.6);
            z-index: 1000;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 30, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
        }

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

        .nav-group {
            display: flex;
            align-items: center;
            gap: 34px;
        }

        .nav-group-left {
            justify-content: flex-start;
            flex: 1;
        }

        .nav-group-right {
            justify-content: flex-end;
            flex: 1;
        }

        .nav-link {
            font-size: 15.5px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 4px;
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: width .3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--color-gold);
        }

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

        .brand-logo {
            text-align: center;
            flex-shrink: 0;
            margin: 0 18px;
        }

        .brand-logo .brand-text {
            font-size: 26px;
            font-weight: 900;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 55%, var(--color-gold-dark) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            display: block;
            font-family: var(--font-sans);
        }

        .brand-logo .brand-sub {
            font-size: 11px;
            letter-spacing: .34em;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-top: 2px;
            display: block;
            font-weight: 500;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-line-light);
            color: var(--text-primary);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            z-index: 1001;
        }

        .mobile-toggle:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(80vw, 340px);
            background: var(--bg-surface);
            border-left: 1px solid var(--border-line);
            padding: 90px 32px 32px;
            flex-direction: column;
            gap: 20px;
            z-index: 1000;
            transform: translateX(100%);
            transition: transform .35s ease;
            box-shadow: var(--shadow-lg);
            background: rgba(17, 26, 46, 0.98);
            backdrop-filter: blur(20px);
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu a {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-line);
            transition: var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-gold);
        }

        .mobile-menu-backdrop {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

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

        /* ===== Button ===== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
            color: #1a1508;
            font-weight: 700;
            font-size: 15.5px;
            border: none;
            border-radius: 50px;
            padding: 14px 30px;
            letter-spacing: .02em;
            transition: var(--transition-base);
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 177, 74, 0.4);
            color: #1a1508;
        }

        .btn-gold:active {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(240, 177, 74, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15.5px;
            border: 1px solid var(--border-line-light);
            border-radius: 50px;
            padding: 14px 30px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            transform: translateY(-3px);
            background: rgba(240, 177, 74, 0.06);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + 60px) 0 80px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(135deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 30, 0.7) 45%, rgba(10, 15, 30, 0.85) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(240, 177, 74, 0.12) 0%, rgba(0, 0, 0, 0) 60%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 177, 74, 0.12);
            border: 1px solid rgba(240, 177, 74, 0.35);
            color: var(--color-gold);
            font-size: 13.5px;
            font-weight: 600;
            letter-spacing: .12em;
            padding: 8px 22px;
            border-radius: 60px;
            margin-bottom: 30px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            font-size: 16px;
        }

        .hero-title {
            font-size: clamp(42px, 6vw, 78px);
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 28px;
        }

        .hero-title .highlight {
            color: var(--color-gold);
        }

        .hero-subtitle {
            font-size: clamp(17px, 2.2vw, 21px);
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 44px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            margin-top: 62px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: center;
            padding: 0 40px;
            position: relative;
        }

        .hero-stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 44px;
            background: var(--border-line);
        }

        .hero-stat-item .stat-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.3;
        }

        .hero-stat-item .stat-label {
            font-size: 13.5px;
            color: var(--text-secondary);
            letter-spacing: .06em;
            margin-top: 4px;
        }

        /* ===== Feature Cards ===== */
        .feature-section {
            background: var(--bg-surface-alt);
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-line-light);
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--color-gold);
            background: rgba(240, 177, 74, 0.1);
            border: 1px solid rgba(240, 177, 74, 0.2);
            margin-bottom: 24px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== Category Cards ===== */
        .category-section {
            background: var(--bg-page);
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 380px;
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            transition: var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-gold);
            background: var(--bg-card-hover);
        }

        .category-card .cat-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
            transition: transform .5s ease;
        }

        .category-card:hover .cat-bg {
            transform: scale(1.05);
        }

        .category-card .cat-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 28px;
            background: linear-gradient(to top, rgba(10, 15, 30, 0.95) 0%, rgba(10, 15, 30, 0.7) 60%, rgba(10, 15, 30, 0.2) 100%);
            z-index: 1;
        }

        .category-card .cat-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-gold);
            margin-bottom: 8px;
            display: block;
        }

        .category-card .cat-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.6;
            display: block;
        }

        .category-card .cat-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition-fast);
        }

        .category-card:hover .cat-more {
            color: var(--color-gold);
            gap: 13px;
        }

        /* ===== Stats ===== */
        .stats-section {
            position: relative;
            background: var(--bg-surface-alt);
            padding: 72px 0;
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            background: rgba(240, 177, 74, 0.04);
            border: 1px solid rgba(240, 177, 74, 0.14);
            transition: var(--transition-base);
        }

        .stat-item:hover {
            background: rgba(240, 177, 74, 0.08);
            transform: translateY(-4px);
        }

        .stat-item .stat-icon {
            font-size: 26px;
            color: var(--color-gold);
            margin-bottom: 12px;
        }

        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .stat-item .stat-num small {
            font-size: 18px;
            color: var(--color-gold);
            margin-left: 2px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: .04em;
        }

        /* ===== News / Posts ===== */
        .news-section {
            background: var(--bg-page);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 28px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 26px 30px;
            margin-bottom: 18px;
            transition: var(--transition-base);
            position: relative;
        }

        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-line-light);
            transform: translateX(6px);
            box-shadow: var(--shadow-sm);
        }

        .news-item-meta {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            min-width: 76px;
            text-align: center;
            padding-right: 24px;
            border-right: 1px solid var(--border-line);
        }

        .news-item .news-cat {
            display: inline-block;
            background: rgba(240, 177, 74, 0.1);
            color: var(--color-gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(240, 177, 74, 0.2);
            letter-spacing: .03em;
            white-space: nowrap;
        }

        .news-item .news-date {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: .04em;
            white-space: nowrap;
        }

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

        .news-item-body h3 {
            font-size: 17.5px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-item-body h3 a {
            color: var(--text-primary);
        }

        .news-item-body h3 a:hover {
            color: var(--color-gold);
        }

        .news-item-body p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold);
            transition: var(--transition-fast);
        }

        .news-empty {
            text-align: center;
            color: var(--text-secondary);
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-line);
            font-size: 16px;
        }

        /* ===== Guide / Steps ===== */
        .guide-section {
            background: var(--bg-surface-alt);
        }

        .guide-step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            height: 100%;
            transition: var(--transition-base);
        }

        .guide-step:hover {
            border-color: var(--color-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .guide-step-num {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .guide-step-num .num-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(240, 177, 74, 0.1);
            border: 2px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-gold);
            position: relative;
        }

        .guide-step-num .step-line {
            width: 1px;
            flex: 1;
            min-height: 30px;
            background: var(--border-line);
        }

        .guide-step:last-child .step-line {
            display: none;
        }

        .guide-step-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .guide-step-content p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-page);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 28px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(240, 177, 74, 0.04);
        }

        .faq-question h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(240, 177, 74, 0.1);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-gold);
            color: #1a1508;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
        }

        .faq-answer p {
            padding: 0 28px 26px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 120px 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.92), rgba(17, 26, 46, 0.8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(240, 177, 74, 0.1), transparent 65%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(30px, 4vw, 48px);
            font-weight: 900;
            margin-bottom: 18px;
            color: var(--text-primary);
            line-height: 1.25;
        }

        .cta-content p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 38px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-line);
            padding-top: 70px;
            padding-bottom: 30px;
        }

        .footer-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-gold);
            margin-bottom: 6px;
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .footer-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-top: 14px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14.5px;
            transition: var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 60px;
            padding-top: 24px;
            border-top: 1px solid var(--border-line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-bottom .tech-info {
            font-size: 12.5px;
            color: var(--text-muted);
            letter-spacing: .04em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 20px;
            }

            .brand-logo .brand-text {
                font-size: 22px;
            }

            .nav-link {
                font-size: 14px;
            }
        }

        @media (max-width: 991px) {
            .nav-group-left,
            .nav-group-right {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .header-inner {
                justify-content: center;
            }

            .brand-logo {
                margin: 0;
            }

            .site-header {
                height: 72px;
            }

            .hero-section {
                padding-top: calc(72px + 40px);
                min-height: auto;
            }

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

        @media (max-width: 768px) {
            .section-block {
                padding: 72px 0;
            }

            .hero-title {
                font-size: 40px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-gold,
            .hero-actions .btn-outline-light {
                width: 100%;
            }

            .hero-stat-item {
                padding: 0 20px;
            }

            .hero-stat-item .stat-num {
                font-size: 24px;
            }

            .hero-stat-item .stat-label {
                font-size: 12px;
            }

            .news-item {
                flex-direction: column;
                gap: 14px;
                padding: 20px;
            }

            .news-item-meta {
                flex-direction: row;
                border-right: none;
                border-bottom: 1px solid var(--border-line);
                padding: 0 0 12px;
                min-width: 0;
            }

            .faq-question {
                padding: 20px;
            }

            .faq-answer p {
                padding: 0 20px 20px;
            }

            .cta-section {
                padding: 80px 0;
            }

            .hero-stat-item:not(:last-child)::after {
                height: 30px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero-section {
                padding-top: calc(72px + 30px);
                padding-bottom: 50px;
            }

            .hero-title {
                font-size: 34px;
                line-height: 1.2;
            }

            .hero-badge {
                font-size: 12px;
                padding: 6px 16px;
                margin-bottom: 22px;
            }

            .hero-subtitle {
                font-size: 15px;
                margin-bottom: 30px;
                line-height: 1.7;
            }

            .hero-stats {
                flex-direction: column;
                gap: 20px;
                margin-top: 40px;
            }

            .hero-stat-item {
                padding: 12px 0;
                width: 100%;
                max-width: 200px;
                border-bottom: 1px solid var(--border-line);
            }

            .hero-stat-item:last-child {
                border-bottom: none;
            }

            .hero-stat-item:not(:last-child)::after {
                display: none;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stat-item {
                padding: 20px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .category-card {
                height: 320px;
            }

            .news-item-body h3 {
                font-size: 16px;
            }

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

            .guide-step-num {
                flex-direction: row;
                align-items: center;
                gap: 0;
            }

            .guide-step-num .step-line {
                width: 100%;
                height: 1px;
                min-height: auto;
                margin-left: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 360px) {
            .hero-title {
                font-size: 30px;
            }

            .brand-logo .brand-text {
                font-size: 19px;
            }

            .brand-logo .brand-sub {
                font-size: 9px;
                letter-spacing: .2em;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #5b4bff;
            --primary-dark: #3f2edc;
            --primary-light: #edeaff;
            --secondary: #ffb52e;
            --secondary-light: #fff4de;
            --accent: #ff5e8a;
            --dark: #0f1023;
            --dark-deep: #090a18;
            --dark-soft: #1b1c38;
            --bg: #f6f7fd;
            --white: #ffffff;
            --text: #1d1f35;
            --muted: #73758e;
            --border: #e7e8f2;
            --radius: 18px;
            --radius-lg: 26px;
            --shadow-sm: 0 4px 16px rgba(30, 32, 80, .06);
            --shadow-md: 0 12px 32px rgba(30, 32, 80, .1);
            --shadow-lg: 0 24px 56px rgba(30, 32, 80, .16);
            --transition: all .3s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            letter-spacing: .2px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input,
        textarea,
        select {
            font: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 16, 35, .92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            height: 80px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            position: relative;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-link {
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 40px;
            border: 1px solid transparent;
            transition: var(--transition);
            letter-spacing: .5px;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .12);
            transform: translateY(-1px);
        }

        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #7a6aff);
            border-color: rgba(255, 255, 255, .2);
            box-shadow: 0 6px 18px rgba(91, 75, 255, .35);
        }

        .brand-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.2;
            padding: 6px 22px;
        }

        .brand-text {
            font-size: 23px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #ffffff 20%, #cfd0ff 50%, #ffd98a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 4px;
            color: rgba(255, 255, 255, .55);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, .16);
        }

        /* 移动端导航抽屉 */
        @media (max-width: 991.98px) {
            .site-header {
                height: 70px;
            }

            .nav-group {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(15, 16, 35, .98);
                padding: 18px 24px 26px;
                gap: 12px;
                transform: translateY(-130%);
                transition: transform .4s ease;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                backdrop-filter: blur(20px);
                z-index: 999;
            }

            .nav-group.open {
                transform: translateY(0);
            }

            .nav-group-left,
            .nav-group-right {
                align-items: center;
            }

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px;
                font-size: 16px;
            }

            .brand-logo {
                position: static;
                transform: none;
            }

            .brand-text {
                font-size: 19px;
            }

            .mobile-toggle {
                display: flex;
            }
        }

        @media (max-width: 575.98px) {
            .brand-sub {
                display: none;
            }

            .brand-text {
                font-size: 17px;
            }
        }

        /* ========== 页面横幅 ========== */
        .page-banner {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, #0c0d22 0%, #14163a 40%, #1d1450 100%);
            overflow: hidden;
            color: #fff;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .32;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 550px;
            height: 550px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(91, 75, 255, .35), transparent 60%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 22px;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 40px;
            background: rgba(255, 181, 46, .15);
            border: 1px solid rgba(255, 181, 46, .35);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .page-banner h1 span {
            color: var(--secondary);
        }

        .banner-lead {
            font-size: 18px;
            max-width: 640px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 38px;
            line-height: 1.8;
        }

        .banner-counter {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            border-radius: 20px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(8px);
            flex-wrap: wrap;
        }

        .counter-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            font-weight: 500;
        }

        .counter-label i {
            color: var(--secondary);
        }

        .counter-box {
            display: flex;
            gap: 6px;
        }

        .counter-item {
            min-width: 52px;
            padding: 8px 10px;
            background: rgba(255, 255, 255, .12);
            border-radius: 12px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .counter-num {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
        }

        .counter-unit {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
        }

        @media (max-width: 767.98px) {
            .page-banner {
                padding: 70px 0 60px;
            }

            .page-banner h1 {
                font-size: 32px;
            }

            .banner-lead {
                font-size: 16px;
            }

            .banner-counter {
                padding: 14px 18px;
            }
        }

        @media (max-width: 575.98px) {
            .page-banner h1 {
                font-size: 27px;
            }

            .counter-item {
                min-width: 44px;
                padding: 6px;
            }

            .counter-num {
                font-size: 17px;
            }

            .counter-unit {
                font-size: 10px;
            }

            .breadcrumb-custom {
                font-size: 12px;
            }
        }

        /* ========== 通用板块 ========== */
        .section-pad {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 12px;
            padding: 6px 16px;
            border-radius: 40px;
            background: var(--primary-light);
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 14px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 28px;
            }
        }

        /* ========== 分类入口卡片 ========== */
        .cat-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px 26px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
        }

        .cat-card:hover::before {
            transform: scaleX(1);
        }

        .cat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            background: var(--primary-light);
        }

        .cat-card:nth-child(2) .cat-icon {
            color: #ff8a34;
            background: #fff3e9;
        }

        .cat-card:nth-child(3) .cat-icon {
            color: #00b87a;
            background: #e4faf1;
        }

        .cat-card:nth-child(4) .cat-icon {
            color: #e04fd8;
            background: #fdeafa;
        }

        .cat-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .cat-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 16px;
        }

        .cat-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 30px;
            font-weight: 600;
        }

        /* ========== 专题横向滚动 ========== */
        .topic-scroll-wrap {
            position: relative;
        }

        .topic-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 10px 4px 24px;
            scrollbar-width: none;
        }

        .topic-scroll::-webkit-scrollbar {
            display: none;
        }

        .topic-card {
            flex: 0 0 340px;
            border-radius: 22px;
            overflow: hidden;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .topic-card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .topic-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .topic-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(10, 12, 30, .55));
        }

        .topic-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 255, 255, .92);
            color: var(--dark);
            box-shadow: var(--shadow-sm);
        }

        .topic-heat {
            position: absolute;
            bottom: 12px;
            right: 14px;
            z-index: 2;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .topic-heat i {
            color: var(--secondary);
        }

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

        .topic-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .topic-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
        }

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

        .topic-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }

        .topic-link:hover {
            color: var(--primary-dark);
            gap: 12px;
        }

        .scroll-btn {
            position: absolute;
            top: 40%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--white);
            color: var(--dark);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 5;
            transition: var(--transition);
        }

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

        .scroll-prev {
            left: -18px;
        }

        .scroll-next {
            right: -18px;
        }

        @media (max-width: 767.98px) {
            .topic-card {
                flex-basis: 280px;
            }

            .scroll-btn {
                display: none;
            }
        }

        /* ========== 新游热度榜 ========== */
        .rank-section {
            background: var(--dark);
            color: #fff;
        }

        .rank-section .section-header h2 {
            color: #fff;
        }

        .rank-section .section-header p {
            color: rgba(255, 255, 255, .6);
        }

        .rank-panel {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 22px;
            overflow: hidden;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            transition: var(--transition);
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-num {
            font-size: 24px;
            font-weight: 800;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .8);
        }

        .rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #ffb52e, #ff9a3e);
            color: #17132a;
        }

        .rank-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #cfd2ff, #a5abff);
            color: #17132a;
        }

        .rank-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #ff9e7a, #ff7a57);
            color: #17132a;
        }

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

        .rank-info h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        .rank-type {
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 12px;
            background: rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .7);
            flex-shrink: 0;
        }

        .rank-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            flex-shrink: 0;
            min-width: 60px;
            text-align: right;
        }

        @media (max-width: 575.98px) {
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }

            .rank-num {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }

            .rank-type {
                font-size: 11px;
                padding: 3px 10px;
            }

            .rank-value {
                min-width: auto;
                font-size: 13px;
            }
        }

        /* ========== 上新日历时间线 ========== */
        .timeline-wrap {
            position: relative;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            display: flex;
            width: 50%;
            padding-right: 48px;
            margin-bottom: 48px;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding-right: 0;
            padding-left: 48px;
        }

        .timeline-dot {
            position: absolute;
            right: -10px;
            top: 10px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--white);
            box-shadow: 0 0 0 4px rgba(91, 75, 255, .25);
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            right: auto;
            left: -10px;
        }

        .timeline-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .timeline-date {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        @media (max-width: 767.98px) {
            .timeline-wrap::before {
                left: 12px;
            }

            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding: 0 0 0 44px;
            }

            .timeline-dot,
            .timeline-item:nth-child(even) .timeline-dot {
                right: auto;
                left: 4px;
            }
        }

        /* ========== 内容特色 ========== */
        .feature-box {
            background: var(--dark);
            padding: 90px 0;
            color: #fff;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .feature-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(9, 10, 24, .95), rgba(20, 16, 48, .88));
        }

        .feature-box .container {
            position: relative;
            z-index: 2;
        }

        .feature-box .section-header h2 {
            color: #fff;
        }

        .feature-box .section-header p {
            color: rgba(255, 255, 255, .65);
        }

        .feature-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }

        .feature-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-6px);
            border-color: rgba(255, 181, 46, .4);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), #8b7aff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            margin-bottom: 20px;
        }

        .feature-item:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, #ffb52e, #ff8a3e);
        }

        .feature-item:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #00c389, #00e6a3);
        }

        .feature-item:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #ff5e8a, #ff7aa9);
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .feature-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .62);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 24px 28px;
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(91, 75, 255, .2);
        }

        .faq-q {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            line-height: 1.5;
        }

        .faq-q i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 18px;
        }

        .faq-a {
            display: none;
            margin-top: 14px;
            padding-left: 34px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-item.open .faq-a {
            display: block;
            animation: fadeUp .4s ease;
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--secondary);
        }

        .faq-q i {
            transition: transform .3s ease;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== CTA ========== */
        .cta-wrap {
            background: linear-gradient(135deg, var(--primary) 0%, #7a4bff 50%, #a54bff 100%);
            border-radius: 30px;
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }

        .cta-wrap::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
        }

        .cta-wrap h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-wrap p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .24);
            background: var(--secondary);
            color: var(--dark);
        }

        @media (max-width: 767.98px) {
            .cta-wrap {
                padding: 40px 24px;
                border-radius: 22px;
            }

            .cta-wrap h2 {
                font-size: 24px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-deep);
            color: rgba(255, 255, 255, .72);
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .footer-title {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, #fff, #c9c8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, .5);
            line-height: 1.9;
            max-width: 380px;
        }

        .footer-heading {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--secondary);
            transition: transform .3s ease;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-links a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 14px;
            color: rgba(255, 255, 255, .4);
            margin: 0;
        }

        .tech-info {
            font-size: 13px;
            color: rgba(255, 255, 255, .3);
            letter-spacing: 1px;
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding: 48px 0 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== focus 可访问性 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(91, 75, 255, .5);
            outline-offset: 3px;
            border-radius: 8px;
        }

        /* ========== 卡片底部间距 ========== */
        .row.g-4>[class*="col-"] {
            margin-bottom: 24px;
        }

        .row.justify-content-center>[class*="col-"],
        .row.g-4>[class*="col-"]:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .row.g-4>[class*="col-"] {
                margin-bottom: 16px;
            }

            .row.g-4>[class*="col-"]:last-child {
                margin-bottom: 0;
            }
        }

/* roulang page: article */
:root {
            --bg-body: #0b0f1f;
            --bg-card: rgba(19, 27, 49, .85);
            --bg-elev: #1a2440;
            --primary: #ffc861;
            --primary-2: #f59e0b;
            --secondary: #ff7d6b;
            --accent: #a78bfa;
            --text-main: #eef2ff;
            --text-muted: #94a0c4;
            --border: rgba(255, 255, 255, .08);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 20px 50px rgba(0, 0, 0, .35);
            --shadow-hover: 0 25px 60px rgba(0, 0, 0, .45);
            --transition: all .35s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 20% 0%, rgba(255, 200, 97, .06), transparent 50%),
                radial-gradient(ellipse at 85% 10%, rgba(167, 139, 250, .05), transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(255, 125, 107, .04), transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            padding: 0 20px;
        }
        .nav-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-group .nav-link {
            padding: 8px 18px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 30px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-group .nav-link:hover {
            color: var(--primary);
            border-color: rgba(255, 200, 97, .2);
            background: rgba(255, 200, 97, .06);
        }
        .nav-group .nav-link.active {
            color: var(--primary);
            background: rgba(255, 200, 97, .08);
            border-color: rgba(255, 200, 97, .25);
            font-weight: 600;
        }
        .brand-logo {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            line-height: 1.2;
        }
        .brand-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .04em;
            background: linear-gradient(135deg, #ffc861, #ffe29a, #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .brand-sub {
            font-size: .62rem;
            letter-spacing: .28em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 1.1rem;
            background: rgba(255, 255, 255, .04);
            transition: var(--transition);
            z-index: 1100;
        }
        .mobile-toggle:hover {
            color: var(--primary);
            border-color: rgba(255, 200, 97, .4);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: rgba(10, 14, 26, .97);
            backdrop-filter: blur(20px);
            border-left: 1px solid var(--border);
            padding: 100px 32px 40px;
            z-index: 1050;
            transform: translateX(100%);
            transition: transform .4s ease;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            border-radius: 12px;
            font-size: 1.05rem;
            color: var(--text-muted);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
            background: rgba(255, 200, 97, .06);
            border-color: rgba(255, 200, 97, .18);
        }
        .mobile-menu a i {
            width: 20px;
            text-align: center;
            color: var(--primary);
        }
        @media (max-width: 991.98px) {
            .nav-group {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .brand-logo {
                position: static;
                transform: none;
            }
            .header-inner {
                justify-content: space-between;
            }
        }
        .article-hero {
            position: relative;
            padding: 90px 0 80px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 31, .78) 0%, rgba(11, 15, 31, .55) 50%, rgba(11, 15, 31, .92) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom i {
            font-size: .7rem;
            color: rgba(255, 255, 255, .25);
        }
        .breadcrumb-custom span {
            color: var(--primary);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 200, 97, .1);
            border: 1px solid rgba(255, 200, 97, .28);
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .hero-badge i {
            font-size: .8rem;
        }
        .article-hero h1 {
            font-size: clamp(1.75rem, 4vw, 2.9rem);
            line-height: 1.25;
            font-weight: 800;
            max-width: 920px;
            margin: 0 0 16px;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .3);
        }
        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(238, 242, 255, .75);
            max-width: 760px;
            margin-bottom: 26px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: .92rem;
            color: var(--text-muted);
        }
        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-meta i {
            color: var(--primary);
            font-size: .9rem;
        }
        @media (max-width: 575.98px) {
            .article-hero {
                padding: 60px 0 50px;
            }
            .hero-meta {
                gap: 14px;
                flex-direction: column;
            }
        }
        .article-main {
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }
        .article-content-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: clamp(24px, 4vw, 48px);
            box-shadow: var(--shadow);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: rgba(238, 242, 255, .9);
            word-break: break-word;
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.4;
        }
        .article-content h2 {
            font-size: 1.55rem;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-content h3 {
            font-size: 1.28rem;
        }
        .article-content h4 {
            font-size: 1.1rem;
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin: 1.5rem 0;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(255, 200, 97, .05);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: rgba(238, 242, 255, .85);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.4rem;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: .4rem;
        }
        .article-content a {
            color: var(--primary);
            border-bottom: 1px dashed rgba(255, 200, 97, .4);
        }
        .article-content a:hover {
            border-bottom-color: var(--primary);
        }
        .not-found-panel {
            text-align: center;
            padding: 80px 30px;
        }
        .not-found-panel i {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            display: block;
            opacity: .7;
        }
        .not-found-panel h2 {
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .not-found-panel p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            background: linear-gradient(135deg, #ffc861, #f59e0b);
            color: #0b0f1f;
            font-weight: 700;
            font-size: .95rem;
            border-radius: 50px;
            border: none;
            box-shadow: 0 8px 25px rgba(255, 200, 97, .18);
            transition: var(--transition);
        }
        .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 200, 97, .3);
            color: #0b0f1f;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border: 1px solid rgba(255, 255, 255, .2);
            color: var(--text-main);
            font-weight: 600;
            font-size: .95rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 200, 97, .06);
            transform: translateY(-2px);
        }
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 22px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3::before {
            content: "";
            width: 4px;
            height: 18px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--primary), var(--primary-2));
        }
        .meta-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .04);
            color: var(--text-muted);
            font-size: .92rem;
        }
        .meta-list li:last-child {
            border-bottom: none;
        }
        .meta-list li i {
            width: 18px;
            text-align: center;
            color: var(--primary);
        }
        .cat-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cat-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 12px;
            border-radius: 12px;
            border: 1px solid transparent;
            background: rgba(255, 255, 255, .02);
            transition: var(--transition);
        }
        .cat-link:hover {
            background: rgba(255, 200, 97, .06);
            border-color: rgba(255, 200, 97, .2);
            transform: translateX(4px);
        }
        .cat-link img {
            width: 46px;
            height: 46px;
            object-fit: cover;
            border-radius: 10px;
        }
        .cat-link span {
            flex: 1;
            font-size: .92rem;
            font-weight: 500;
            color: var(--text-main);
        }
        .cat-link i {
            color: var(--primary);
            font-size: .85rem;
            opacity: 0;
            transform: translateX(-6px);
            transition: var(--transition);
        }
        .cat-link:hover i {
            opacity: 1;
            transform: translateX(0);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: .82rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag-item:hover {
            color: var(--primary);
            border-color: rgba(255, 200, 97, .3);
            background: rgba(255, 200, 97, .07);
        }
        .tag-item i {
            font-size: .75rem;
            color: var(--primary);
        }
        @media (max-width: 991.98px) {
            .article-sidebar {
                margin-top: 32px;
                position: static;
            }
        }
        .section-block {
            padding: 70px 0;
            position: relative;
            z-index: 1;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 46px;
        }
        .section-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: .08em;
            text-transform: uppercase;
            background: rgba(255, 200, 97, .08);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: .98rem;
        }
        .related-articles {
            background: rgba(255, 255, 255, .015);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .news-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 200, 97, .25);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
        }
        .news-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 31, .5));
        }
        .news-body {
            padding: 20px;
        }
        .news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body p {
            font-size: .88rem;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 14px;
            font-size: .8rem;
            color: var(--text-muted);
        }
        .news-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-meta i {
            color: var(--primary);
            font-size: .75rem;
        }
        .empty-tip {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
        }
        .topic-strip {
            background: linear-gradient(180deg, transparent, rgba(255, 200, 97, .02), transparent);
        }
        .topic-card {
            position: relative;
            display: block;
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .topic-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 200, 97, .3);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .4);
        }
        .topic-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover img {
            transform: scale(1.05);
        }
        .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 31, 0) 30%, rgba(11, 15, 31, .88) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 22px;
        }
        .topic-overlay h3 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topic-overlay h3 i {
            color: var(--primary);
            font-size: .9rem;
        }
        .topic-overlay p {
            color: rgba(238, 242, 255, .7);
            font-size: .85rem;
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .85rem;
            color: var(--primary);
            font-weight: 600;
        }
        .topic-link i {
            font-size: .75rem;
            transition: transform .3s;
        }
        .topic-card:hover .topic-link i {
            transform: translateX(4px);
        }
        .article-faq {
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 200, 97, .2);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            transition: color .3s;
        }
        .faq-toggle:hover {
            color: var(--primary);
        }
        .faq-toggle i {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 200, 97, .1);
            color: var(--primary);
            font-size: .8rem;
            transition: transform .35s ease;
        }
        .faq-toggle[aria-expanded="true"] i {
            transform: rotate(45deg);
            background: var(--primary);
            color: #0b0f1f;
        }
        .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-muted);
            font-size: .95rem;
            line-height: 1.75;
        }
        .faq-answer p:last-child {
            margin-bottom: 0;
        }
        .article-cta {
            background: linear-gradient(135deg, rgba(255, 200, 97, .08), rgba(245, 158, 11, .04));
            border-top: 1px solid rgba(255, 200, 97, .15);
        }
        .cta-box {
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-radius: calc(var(--radius) + 6px);
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
            border: 1px solid var(--border);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 31, .85), rgba(11, 15, 31, .65));
        }
        .cta-box>* {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(238, 242, 255, .8);
            font-size: 1.02rem;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .site-footer {
            background: rgba(8, 11, 20, .95);
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
            position: relative;
            z-index: 1;
        }
        .footer-title {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ffc861, #ffe29a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.75;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-heading::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: .92rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-links a i {
            font-size: .7rem;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 24px 0;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: .85rem;
            margin: 0;
        }
        .tech-info {
            color: rgba(148, 160, 196, .6);
            font-size: .82rem;
            letter-spacing: .04em;
        }
        @media (max-width: 767.98px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
            }
            .section-block {
                padding: 50px 0;
            }
        }
        @media (max-width: 575.98px) {
            .cta-box {
                padding: 40px 20px;
            }
            .cta-btns .btn-custom,
            .cta-btns .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .btn-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #d4a437;
            --primary-light: #f0c75a;
            --primary-dark: #a87e1f;
            --secondary: #12203a;
            --secondary-light: #1e3a5f;
            --dark: #0d1626;
            --bg-light: #f4f6fb;
            --bg-white: #ffffff;
            --text-main: #1a2233;
            --text-muted: #6b7892;
            --border-light: #e8ebf1;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 12px rgba(13, 22, 38, .06);
            --shadow-md: 0 10px 30px rgba(13, 22, 38, .10);
            --shadow-lg: 0 20px 44px rgba(13, 22, 38, .14);
            --transition: all .28s cubic-bezier(.4, 0, .2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding: 84px 0;
        }
        .section-header {
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(212, 164, 55, .12), rgba(212, 164, 55, .06));
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 13px;
            padding: 7px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            border: 1px solid rgba(212, 164, 55, .25);
        }
        .section-title {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 900;
            line-height: 1.25;
            color: var(--dark);
            margin: 14px 0 10px;
            letter-spacing: -.5px;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
        }
        .btn-brand {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #0d1626;
            font-weight: 700;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-size: 15px;
            letter-spacing: .5px;
            box-shadow: 0 8px 22px rgba(212, 164, 55, .35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-brand:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(212, 164, 55, .45);
            color: #0d1626;
        }
        .btn-outline-light-custom {
            border: 2px solid rgba(255, 255, 255, .85);
            color: #fff;
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 600;
            background: transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 22, 38, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding: 14px 0;
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 18, 32, .97);
            padding: 10px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            position: relative;
        }
        .nav-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-group-left {
            margin-right: auto;
        }
        .nav-group-right {
            margin-left: auto;
        }
        .nav-link {
            color: rgba(255, 255, 255, .82);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px;
            border-radius: 50px;
            transition: var(--transition);
            letter-spacing: .3px;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary-light);
            background: rgba(255, 255, 255, .05);
        }
        .nav-link.active {
            color: var(--primary-light);
            background: rgba(212, 164, 55, .13);
            font-weight: 600;
        }
        .brand-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.1;
            flex-shrink: 0;
            padding: 4px 10px;
        }
        .brand-text {
            font-size: 21px;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
        }
        .brand-sub {
            font-size: 10px;
            color: var(--primary);
            letter-spacing: 3px;
            text-transform: uppercase;
            font-weight: 600;
            margin-top: 2px;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .2);
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            display: none;
            background: rgba(10, 18, 32, .98);
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 18px 24px 26px;
            border-radius: 0 0 20px 20px;
        }
        .mobile-menu .nav-link {
            display: block;
            padding: 12px 18px;
            color: rgba(255, 255, 255, .85);
            border-radius: 12px;
            font-weight: 500;
        }
        .mobile-menu .nav-link.active {
            background: rgba(212, 164, 55, .14);
            color: var(--primary-light);
        }
        .mobile-menu .nav-link:hover {
            background: rgba(255, 255, 255, .06);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 190px 0 120px;
            background: linear-gradient(135deg, rgba(13, 22, 38, .88), rgba(18, 32, 58, .72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(212, 164, 55, .35), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(30, 58, 95, .55), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero .breadcrumb {
            display: flex;
            gap: 8px;
            justify-content: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 18px;
        }
        .page-hero .breadcrumb a {
            color: var(--primary-light);
        }
        .page-hero h1 {
            font-size: clamp(38px, 6vw, 56px);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }
        .page-hero .lead-text {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 680px;
            margin: 0 auto 30px;
        }
        .countdown-wrap {
            display: flex;
            gap: 14px;
            justify-content: center;
            margin-bottom: 34px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(8px);
            border-radius: 18px;
            padding: 16px 22px;
            min-width: 92px;
            text-align: center;
        }
        .countdown-num {
            font-size: 34px;
            font-weight: 900;
            color: var(--primary-light);
            line-height: 1;
        }
        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, .65);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ===== Benefit Category ===== */
        .category-section {
            margin-top: -60px;
            position: relative;
            z-index: 5;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, .6);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-icon {
            width: 74px;
            height: 74px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(212, 164, 55, .15), rgba(212, 164, 55, .05));
            color: var(--primary-dark);
        }
        .category-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .category-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .category-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .category-link:hover {
            letter-spacing: .5px;
        }

        /* ===== Hot Benefits ===== */
        .hot-benefits-section {
            background: #fff;
        }
        .benefit-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: rgba(212, 164, 55, .35);
        }
        .benefit-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 18px;
            position: relative;
        }
        .benefit-img-wrap img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: var(--transition);
        }
        .benefit-card:hover .benefit-img-wrap img {
            transform: scale(1.05);
        }
        .benefit-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--dark);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
        }
        .benefit-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .benefit-card .benefit-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .benefit-card .benefit-desc {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }
        .benefit-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .benefit-deadline {
            font-size: 13px;
            color: #d45a4a;
            font-weight: 500;
        }
        .benefit-action {
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== How To Claim ===== */
        .how-to-section {
            position: relative;
            background: linear-gradient(135deg, var(--secondary), var(--dark));
            color: #fff;
            overflow: hidden;
        }
        .how-to-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: .12;
            pointer-events: none;
        }
        .how-to-section .container {
            position: relative;
            z-index: 2;
        }
        .how-section-title {
            color: #fff;
        }
        .how-section-sub {
            color: rgba(255, 255, 255, .8);
        }
        .step-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, .06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .1);
            backdrop-filter: blur(6px);
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--dark);
            font-weight: 900;
            font-size: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 18px rgba(212, 164, 55, .35);
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.6;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: #fff;
        }
        .stats-wrap {
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
            border-radius: var(--radius-lg);
            padding: 54px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-wrap::after {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 164, 55, .3), transparent 70%);
            border-radius: 50%;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
            position: relative;
            z-index: 1;
        }
        .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .accordion-custom {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 700;
            color: var(--text-main);
            background: #fff;
            padding: 20px 24px;
            font-size: 15px;
            border: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary-dark);
            background: rgba(212, 164, 55, .05);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(212, 164, 55, .4);
        }
        .accordion-custom .accordion-body {
            padding: 4px 24px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .accordion-custom .accordion-button::after {
            background-size: 16px;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23d4a437'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(13, 22, 38, .92), rgba(18, 32, 58, .78)), url('/assets/images/backpic/back-3.png') center/cover no-repeat fixed;
            color: #fff;
            text-align: center;
            position: relative;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 900;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
            font-size: 16px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 0;
            font-size: 14px;
        }
        .footer-title {
            font-size: 24px;
            font-weight: 900;
            color: #fff;
            letter-spacing: .5px;
            display: block;
            margin-bottom: 12px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            max-width: 400px;
            text-align: left;
        }
        .footer-heading {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .7);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-links .fa-angle-right {
            color: var(--primary);
            font-size: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 44px;
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            margin: 0;
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
        }
        .tech-info {
            color: rgba(255, 255, 255, .4);
            font-size: 12px;
            letter-spacing: .5px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 4px;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }
            .section-padding {
                padding: 64px 0;
            }
            .stats-wrap {
                padding: 36px 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-group {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: center;
            }
            .brand-logo {
                margin: 0 auto;
            }
            .page-hero {
                padding: 150px 0 100px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .page-hero .lead-text {
                font-size: 15px;
            }
            .section-title {
                font-size: 26px;
            }
            .category-section {
                margin-top: -30px;
            }
            .countdown-item {
                min-width: 70px;
                padding: 12px 14px;
            }
            .countdown-num {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-desc {
                text-align: center;
            }
            .footer-heading::after {
                left: 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-padding {
                padding: 52px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .countdown-wrap {
                gap: 8px;
            }
            .countdown-item {
                min-width: 62px;
                padding: 10px 10px;
                border-radius: 14px;
            }
            .countdown-num {
                font-size: 22px;
            }
            .countdown-label {
                font-size: 10px;
            }
            .stats-wrap {
                padding: 28px 14px;
            }
            .stat-num {
                font-size: 30px;
            }
            .category-card {
                padding: 24px 18px;
            }
            .benefit-card {
                padding: 18px;
            }
            .benefit-img-wrap img {
                height: 160px;
            }
            .footer-title {
                font-size: 20px;
            }
        }
        @media (max-width: 400px) {
            .countdown-item {
                min-width: 56px;
                padding: 8px 8px;
            }
            .countdown-num {
                font-size: 18px;
            }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0d1b2a;
            --primary-light: #14283d;
            --primary-deep: #070f1a;
            --accent: #e8b44a;
            --accent-hover: #ffd166;
            --accent-deep: #c9932f;
            --text-light: #f0f2f5;
            --text-muted: #9aa7b5;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-accent: rgba(232, 180, 74, 0.35);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 8px 30px rgba(232, 180, 74, 0.22);
            --transition-base: all 0.3s ease;
            --header-height: 86px;
            --section-pad: 90px 0;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--primary);
            color: var(--text-light);
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        ul {
            padding: 0;
            margin: 0;
            list-style: none;
        }

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

        /* ========== Header 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 20, 32, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            position: relative;
        }

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

        .nav-group-left {
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
        }

        .nav-group-right {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
        }

        .nav-link {
            padding: 8px 20px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            border-radius: 999px;
            line-height: 1.4;
            display: inline-block;
        }

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

        .nav-link.active {
            color: var(--accent);
            background: rgba(232, 180, 74, 0.12);
        }

        .brand-logo {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
            padding: 0 20px;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 10px;
            letter-spacing: 4px;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .mobile-toggle {
            display: none;
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .mobile-toggle:hover {
            border-color: var(--border-accent);
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary-light);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 24px;
            gap: 6px;
            box-shadow: var(--shadow-card);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 15px;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }

        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(232, 180, 74, 0.12);
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--section-pad);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 180, 74, 0.1);
            border: 1px solid var(--border-accent);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .text-accent {
            color: var(--accent);
        }

        /* ========== 按钮 ========== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0d1b2a;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 8px 28px rgba(232, 180, 74, 0.28);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-gold:hover {
            color: #0d1b2a;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(232, 180, 74, 0.42);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 999px;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--text-light);
        }

        /* ========== Hero Banner ========== */
        .page-hero {
            position: relative;
            padding: 190px 0 120px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 15, 26, 0.82) 0%, rgba(13, 27, 42, 0.92) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 880px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 180, 74, 0.12);
            border: 1px solid var(--border-accent);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 7px 20px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
            color: var(--text-light);
        }

        .hero-title-gold {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-countdown {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 12px 26px;
            backdrop-filter: blur(6px);
        }

        .countdown-label {
            color: var(--text-muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .countdown-label i {
            color: var(--accent);
        }

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

        .countdown-item {
            background: var(--primary-deep);
            border: 1px solid var(--border-accent);
            color: var(--accent);
            font-size: 20px;
            font-weight: 800;
            min-width: 46px;
            text-align: center;
            padding: 4px 8px;
            border-radius: 8px;
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }

        .countdown-sep {
            color: var(--text-muted);
            font-weight: 700;
        }

        .countdown-unit {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 分类简介 ========== */
        .category-intro {
            background: var(--primary-light);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .intro-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .intro-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-accent);
            box-shadow: var(--shadow-card);
            background: rgba(232, 180, 74, 0.04);
        }

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

        .intro-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: rgba(232, 180, 74, 0.12);
            color: var(--accent);
            margin-bottom: 22px;
        }

        .intro-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .intro-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 主题横向滚动 ========== */
        .theme-scroll-section {
            background: var(--primary);
        }

        .theme-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding-bottom: 24px;
            scroll-snap-type: x mandatory;
        }

        .theme-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .theme-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
        }

        .theme-scroll::-webkit-scrollbar-thumb {
            background: var(--accent-deep);
            border-radius: 12px;
        }

        .theme-card {
            min-width: 280px;
            flex: 0 0 auto;
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            scroll-snap-align: start;
            transition: var(--transition-base);
        }

        .theme-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-accent);
            box-shadow: var(--shadow-card);
        }

        .theme-card-cover {
            position: relative;
            height: 170px;
            overflow: hidden;
        }

        .theme-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .theme-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(13, 27, 42, 0.72) 100%);
        }

        .theme-card-tag {
            position: absolute;
            left: 16px;
            bottom: 14px;
            z-index: 2;
            background: rgba(232, 180, 74, 0.92);
            color: #0d1b2a;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .theme-card-body {
            padding: 24px;
        }

        .theme-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .theme-card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .theme-card-link {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .theme-card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* ========== 成长阶段 ========== */
        .stage-section {
            background: var(--primary-deep);
            position: relative;
        }

        .stage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .stage-grid::before {
            content: '';
            position: absolute;
            top: 56px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
            z-index: 0;
        }

        .stage-item {
            position: relative;
            z-index: 1;
            background: var(--primary-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition-base);
        }

        .stage-item:hover {
            transform: translateY(-8px);
            border-color: var(--border-accent);
            box-shadow: var(--shadow-card);
        }

        .stage-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0d1b2a;
            font-size: 22px;
            font-weight: 800;
            border-radius: 18px;
            box-shadow: var(--shadow-gold);
        }

        .stage-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .stage-item p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
        }

        .stage-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            color: var(--accent);
            z-index: 2;
            font-size: 14px;
            opacity: 0.6;
        }

        /* ========== 热门排行 ========== */
        .rank-section {
            background: var(--primary-light);
        }

        .rank-card {
            max-width: 900px;
            margin: 0 auto;
            background: var(--primary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 28px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .rank-item:hover {
            background: rgba(232, 180, 74, 0.05);
            padding-left: 34px;
        }

        .rank-item+.rank-item {
            border-top: 1px solid var(--border-light);
        }

        .rank-badge {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            border: 1px solid var(--border-light);
        }

        .rank-badge.gold {
            background: linear-gradient(135deg, #ffd166, #e8b44a);
            color: #0d1b2a;
            border-color: transparent;
            box-shadow: var(--shadow-gold);
        }

        .rank-badge.silver {
            background: linear-gradient(135deg, #c0ccda, #8a97a8);
            color: #0d1b2a;
            border-color: transparent;
        }

        .rank-badge.bronze {
            background: linear-gradient(135deg, #d8a178, #a87048);
            color: #0d1b2a;
            border-color: transparent;
        }

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

        .rank-info h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-meta {
            flex-shrink: 0;
            text-align: right;
            color: var(--text-muted);
            font-size: 13px;
        }

        .rank-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ========== 精选内容列表 ========== */
        .article-list-section {
            background: var(--primary);
        }

        .article-card {
            display: flex;
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            margin-bottom: 28px;
            transition: var(--transition-base);
        }

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

        .article-card-img {
            width: 280px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .article-card-body {
            padding: 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-card-body .card-tags {
            margin-bottom: 12px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .card-tag {
            background: rgba(232, 180, 74, 0.12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .article-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .article-card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .article-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--primary-light);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .guide-accordion .accordion-item {
            background: var(--primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .guide-accordion .accordion-button {
            background: transparent;
            color: var(--text-light);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 26px;
            box-shadow: none;
            transition: var(--transition-base);
        }

        .guide-accordion .accordion-button:hover {
            color: var(--accent);
        }

        .guide-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(232, 180, 74, 0.07);
            box-shadow: none;
        }

        .guide-accordion .accordion-button:focus {
            box-shadow: none;
        }

        .guide-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }

        .guide-accordion .accordion-button:not(.collapsed)::after {
            filter: brightness(0) saturate(100%) invert(80%) sepia(30%) saturate(600%) hue-rotate(350deg);
        }

        .guide-accordion .accordion-body {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.85;
            padding: 0 26px 24px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 15, 26, 0.84);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .cta-content p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-light);
            padding: 70px 0 30px;
        }

        .footer-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.85;
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 4px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--accent-deep);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .tech-info {
            color: rgba(255, 255, 255, 0.35);
            font-size: 13px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .nav-group {
                display: none;
            }

            .mobile-toggle {
                display: flex;
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%);
            }

            .header-inner {
                justify-content: center;
            }

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

            .stage-grid::before {
                display: none;
            }

            .stage-arrow {
                display: none;
            }

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

            .article-card-img {
                width: 100%;
                height: 200px;
            }

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

        @media (max-width: 767.98px) {
            :root {
                --section-pad: 64px 0;
            }

            body {
                font-size: 15px;
            }

            .page-hero {
                padding: 150px 0 80px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-countdown {
                flex-direction: column;
                gap: 8px;
                padding: 16px 20px;
                border-radius: 16px;
            }

            .section-title {
                font-size: 28px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
            }

            .stage-grid {
                grid-template-columns: 1fr;
            }

            .rank-item {
                flex-wrap: wrap;
                padding: 20px;
            }

            .rank-info h3 {
                white-space: normal;
            }

            .rank-info p {
                white-space: normal;
            }

            .rank-meta {
                width: 100%;
                text-align: left;
                padding-left: 66px;
            }

            .article-card-body {
                padding: 24px;
            }

            .cta-content h2 {
                font-size: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-sub {
                letter-spacing: 2px;
            }
        }

        @media (max-width: 519.98px) {
            .theme-card {
                min-width: 240px;
            }

            .countdown-item {
                min-width: 38px;
                font-size: 16px;
                padding: 3px 6px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn-gold,
            .hero-actions .btn-ghost {
                width: 100%;
            }

            .cta-actions .btn-gold,
            .cta-actions .btn-ghost {
                width: 100%;
            }

            .article-meta {
                flex-direction: column;
                gap: 6px;
            }
        }