/* roulang page: index */
:root {
            --c-bg: #070d16;
            --c-surface: #0d1a29;
            --c-surface-2: #111e30;
            --c-surface-3: #152639;
            --c-accent: #d4a853;
            --c-accent-light: #e6c680;
            --c-accent-dark: #b8923f;
            --c-text: #e8edf3;
            --c-text-muted: #8fa3b8;
            --c-border: rgba(212, 168, 83, 0.22);
            --c-border-light: rgba(255, 255, 255, 0.08);
            --r-sm: 8px;
            --r-md: 14px;
            --r-lg: 22px;
            --sh-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --sh-hover: 0 10px 40px rgba(0, 0, 0, 0.55);
            --sh-gold: 0 4px 24px rgba(212, 168, 83, 0.15);
            --tr: all 0.3s ease;
            --container-w: 1200px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }

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

        html { scroll-behavior: smooth; font-size: 16px; }

        body {
            font-family: var(--font-main);
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a { color: var(--c-accent); text-decoration: none; transition: var(--tr); }
        a:hover { color: var(--c-accent-light); }
        img { max-width: 100%; display: block; height: auto; }
        button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
        input, select, textarea { font-family: inherit; }
        ul, ol { list-style: none; }

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

        .section { padding: 90px 0; position: relative; }
        .section-alt { background: var(--c-surface); }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.1);
            border: 1px solid var(--c-border);
            color: var(--c-accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--c-text);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 17px;
            color: var(--c-text-muted);
            line-height: 1.7;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 22, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--c-border-light);
            transition: var(--tr);
        }
        .site-header.scrolled {
            background: rgba(7, 13, 22, 0.97);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
            border-radius: var(--r-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #0a1424;
            box-shadow: var(--sh-gold);
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: 0.01em;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-name span { color: var(--c-accent); }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }
        .nav-link {
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-muted);
            border-radius: 100px;
            transition: var(--tr);
            position: relative;
        }
        .nav-link:hover {
            color: var(--c-text);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link.active {
            color: var(--c-accent);
            background: rgba(212, 168, 83, 0.1);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--c-accent);
            border-radius: 4px;
            display: none;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .quick-trigger {
            position: relative;
        }
        .quick-btn {
            width: 42px;
            height: 42px;
            border-radius: var(--r-md);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--c-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text);
            font-size: 16px;
            transition: var(--tr);
        }
        .quick-btn:hover {
            background: rgba(212, 168, 83, 0.12);
            border-color: var(--c-border);
            color: var(--c-accent);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 440px;
            background: var(--c-surface-2);
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-lg);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.35s ease;
            box-shadow: var(--sh-hover);
            z-index: 200;
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            right: 24px;
            width: 16px;
            height: 16px;
            background: var(--c-surface-2);
            border-top: 1px solid var(--c-border-light);
            border-left: 1px solid var(--c-border-light);
            transform: rotate(45deg);
        }
        .quick-trigger:hover .mega-panel,
        .quick-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--c-border-light);
        }
        .mega-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mega-title i { color: var(--c-accent); }
        .mega-more {
            font-size: 13px;
            color: var(--c-text-muted);
        }
        .mega-more:hover { color: var(--c-accent); }

        .mega-entry-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mega-entry {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            border-radius: var(--r-md);
            transition: var(--tr);
        }
        .mega-entry:hover {
            background: rgba(212, 168, 83, 0.07);
            border-color: var(--c-border);
            transform: translateX(4px);
        }
        .mega-entry-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--r-md);
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-size: 16px;
            flex-shrink: 0;
        }
        .mega-entry-text { display: flex; flex-direction: column; }
        .mega-entry-text strong {
            font-size: 15px;
            color: var(--c-text);
            font-weight: 600;
        }
        .mega-entry-text small {
            font-size: 13px;
            color: var(--c-text-muted);
        }
        .mega-tip {
            margin-top: 18px;
            padding: 12px 14px;
            background: rgba(212, 168, 83, 0.06);
            border-radius: var(--r-md);
            font-size: 13px;
            color: var(--c-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            border: 1px dashed var(--c-border);
        }
        .mega-tip i { color: var(--c-accent); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: var(--tr);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
            color: #0a1424;
            box-shadow: var(--sh-gold);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 168, 83, 0.3);
            color: #0a1424;
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--c-text);
        }
        .btn-ghost:hover {
            border-color: var(--c-accent);
            color: var(--c-accent);
            background: rgba(212, 168, 83, 0.08);
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 17px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--r-md);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--c-border-light);
            color: var(--c-text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background:
                linear-gradient(135deg, rgba(7, 13, 22, 0.88) 0%, rgba(7, 13, 22, 0.65) 50%, rgba(13, 26, 41, 0.85) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 120px 0 80px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 50% 100%, rgba(212, 168, 83, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(212, 168, 83, 0.12);
            border: 1px solid var(--c-border);
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-accent);
            letter-spacing: 0.04em;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }
        .hero-badge i { font-size: 12px; }
        .hero h1 {
            font-size: 58px;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .hero h1 .highlight {
            background: linear-gradient(120deg, var(--c-accent), var(--c-accent-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 40px;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }
        .hero-wave {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            line-height: 0;
            z-index: 1;
        }

        /* ========== About ========== */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }
        .about-content h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--c-text);
        }
        .about-content h2 span {
            color: var(--c-accent);
        }
        .about-content p {
            color: var(--c-text-muted);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .about-features {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 28px;
        }
        .about-feature {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            background: var(--c-surface);
            border-radius: var(--r-md);
            border: 1px solid var(--c-border-light);
            transition: var(--tr);
        }
        .about-feature:hover {
            border-color: var(--c-border);
            box-shadow: var(--sh-card);
        }
        .about-feature-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-size: 16px;
        }
        .about-feature-text h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 4px;
        }
        .about-feature-text p {
            font-size: 14px;
            color: var(--c-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .about-visual {
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            box-shadow: var(--sh-hover);
        }
        .about-visual img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.6s ease;
        }
        .about-visual:hover img {
            transform: scale(1.03);
        }
        .about-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 13, 22, 0.4), transparent 50%);
        }

        /* ========== Category Cards ========== */
        .cat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--r-lg);
            overflow: hidden;
            background: var(--c-surface-2);
            border: 1px solid var(--c-border-light);
            box-shadow: var(--sh-card);
            transition: var(--tr);
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--sh-hover);
            border-color: var(--c-border);
        }
        .cat-card-img {
            position: relative;
            height: 230px;
            overflow: hidden;
        }
        .cat-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .cat-card:hover .cat-card-img img {
            transform: scale(1.05);
        }
        .cat-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 13, 22, 0.7), transparent 60%);
        }
        .cat-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(212, 168, 83, 0.9);
            color: #0a1424;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 100px;
        }
        .cat-card-body {
            padding: 28px 30px 32px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .cat-card-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--c-text);
        }
        .cat-card-body p {
            font-size: 15px;
            color: var(--c-text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }
        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            color: var(--c-accent);
        }
        .cat-card-link i {
            transition: transform 0.3s ease;
        }
        .cat-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Latest News ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-lg);
            padding: 8px;
            transition: var(--tr);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--c-border);
            box-shadow: var(--sh-hover);
            transform: translateY(-4px);
        }
        .news-card-img {
            border-radius: calc(var(--r-lg) - 6px);
            overflow: hidden;
            height: 180px;
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 20px 18px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .news-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.1);
            color: var(--c-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            border: 1px solid var(--c-border);
        }
        .news-date {
            font-size: 13px;
            color: var(--c-text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card-body h3 a {
            color: var(--c-text);
        }
        .news-card-body h3 a:hover {
            color: var(--c-accent);
        }
        .news-card-body p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-link i { transition: transform 0.3s ease; }
        .news-card-link:hover i { transform: translateX(4px); }

        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 30px;
            background: var(--c-surface);
            border-radius: var(--r-lg);
            border: 1px dashed var(--c-border);
            color: var(--c-text-muted);
            font-size: 16px;
        }
        .empty-state i {
            font-size: 32px;
            color: var(--c-accent);
            margin-bottom: 12px;
            display: block;
        }

        /* ========== Features ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--c-surface);
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-lg);
            transition: var(--tr);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
            opacity: 0;
            transition: var(--tr);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--sh-card);
            border-color: var(--c-border);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), rgba(212, 168, 83, 0.05));
            border: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--c-accent);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.65;
        }

        /* ========== Stats ========== */
        .stats-band {
            background: linear-gradient(135deg, var(--c-surface-2), var(--c-surface-3));
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-lg);
            padding: 44px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            margin-top: 56px;
        }
        .stat-block-num {
            font-size: 38px;
            font-weight: 900;
            color: var(--c-accent);
            line-height: 1.2;
        }
        .stat-block-label {
            font-size: 14px;
            color: var(--c-text-muted);
            margin-top: 6px;
        }

        /* ========== Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step-counter;
        }
        .step-card {
            position: relative;
            padding: 36px 24px 30px;
            background: var(--c-surface);
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-lg);
            text-align: center;
            transition: var(--tr);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--sh-card);
            border-color: var(--c-border);
        }
        .step-num {
            counter-increment: step-counter;
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
            color: #0a1424;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-num::before {
            content: counter(step-counter);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.6;
        }
        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--c-accent);
            font-size: 16px;
            z-index: 2;
        }
        .steps-grid .step-card:last-child .step-arrow { display: none; }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--c-surface);
            border: 1px solid var(--c-border-light);
            border-radius: var(--r-md);
            overflow: hidden;
            transition: var(--tr);
        }
        .faq-item:hover {
            border-color: var(--c-border);
        }
        .faq-item.active {
            border-color: var(--c-border);
            box-shadow: var(--sh-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text);
            text-align: left;
            transition: var(--tr);
        }
        .faq-question:hover {
            color: var(--c-accent);
        }
        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            font-size: 14px;
            transition: var(--tr);
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--c-accent);
            color: #0a1424;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--c-text-muted);
            line-height: 1.75;
            border-top: 1px solid var(--c-border-light);
            padding-top: 16px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(7, 13, 22, 0.85), rgba(13, 26, 41, 0.9)),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }
        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-inner h2 span { color: var(--c-accent); }
        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-inner .btn {
            font-size: 17px;
            padding: 16px 44px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--c-surface-2);
            border-top: 1px solid var(--c-border-light);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--c-text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a i {
            font-size: 11px;
            color: var(--c-accent);
        }
        .footer-links a:hover {
            color: var(--c-accent);
            padding-left: 2px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact span {
            font-size: 14px;
            color: var(--c-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--c-accent);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid var(--c-border-light);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--c-text-muted);
        }
        .footer-domain {
            font-size: 13px;
            color: var(--c-text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .containerx { padding: 0 20px; }
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: var(--c-surface-2);
                border-bottom: 1px solid var(--c-border-light);
                padding: 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                box-shadow: var(--sh-hover);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 14px 16px;
                border-radius: var(--r-md);
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .quick-btn {
                display: none;
            }
            .mega-panel {
                display: none;
            }
            .hero h1 { font-size: 44px; }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-arrow { display: none; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .section-head h2 { font-size: 28px; }
            .hero { min-height: 80vh; padding: 100px 0 60px; }
            .hero h1 { font-size: 36px; }
            .hero-desc { font-size: 16px; }
            .hero-stats { gap: 28px; }
            .hero-stat-num { font-size: 22px; }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .containerx { padding: 0 16px; }
            .brand-name { font-size: 17px; }
            .brand-icon { width: 36px; height: 36px; font-size: 17px; }
            .header-inner { height: 64px; }
            .main-nav { top: 64px; }
            .hero h1 { font-size: 32px; }
            .hero-actions .btn { width: 100%; }
            .hero-stats { flex-direction: column; gap: 20px; }
            .stats-band {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 30px 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cat-card-img {
                height: 180px;
            }
            .cat-card-body {
                padding: 20px;
            }
            .news-card-img {
                height: 160px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .cta-inner .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        /* ========== Scrollbar & Misc ========== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--c-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 83, 0.3);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(212, 168, 83, 0.5);
        }

        .text-accent { color: var(--c-accent); }
        .text-muted { color: var(--c-text-muted); }
        .font-bold { font-weight: 700; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-32 { margin-bottom: 32px; }
        .text-center { text-align: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4a855;
            --primary-hover: #be9338;
            --primary-light: #f0cc7c;
            --dark: #0d1117;
            --dark-2: #131a26;
            --dark-3: #1b2436;
            --text: #f0ede8;
            --text-muted: #98a1b3;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--dark);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: rgba(212, 168, 85, 0.35);
            color: var(--text);
        }

        .containerx {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(13, 17, 23, 0.97);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        }

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

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

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), #b3893a);
            color: #131a26;
            font-size: 22px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 6px 16px rgba(212, 168, 85, 0.35);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 1px;
        }

        .brand-name span {
            color: var(--primary);
            font-weight: 600;
        }

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

        .main-nav .nav-link {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .main-nav .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }

        .main-nav .nav-link.active {
            color: var(--primary);
            background: rgba(212, 168, 85, 0.12);
            box-shadow: inset 0 0 0 1px rgba(212, 168, 85, 0.2);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .quick-trigger {
            position: relative;
        }

        .quick-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 16px;
            transition: var(--transition);
        }

        .quick-btn:hover {
            background: rgba(212, 168, 85, 0.15);
            color: var(--primary);
            border-color: rgba(212, 168, 85, 0.3);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            width: 340px;
            background: var(--dark-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 18px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.28s ease;
            z-index: 100;
        }

        .quick-trigger:hover .mega-panel,
        .mega-panel:hover {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .mega-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mega-title i {
            color: var(--primary);
        }

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

        .mega-entry-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 14px;
        }

        .mega-entry {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .mega-entry:hover {
            background: rgba(212, 168, 85, 0.08);
            border-color: rgba(212, 168, 85, 0.2);
        }

        .mega-entry-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(212, 168, 85, 0.12);
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .mega-entry-text {
            display: flex;
            flex-direction: column;
        }

        .mega-entry-text strong {
            font-size: 14px;
            color: var(--text);
        }

        .mega-entry-text small {
            font-size: 12px;
            color: var(--text-muted);
        }

        .mega-tip {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: rgba(212, 168, 85, 0.08);
            font-size: 13px;
            color: var(--text-muted);
        }

        .mega-tip i {
            color: var(--primary);
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 0 10px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
        }

        .menu-toggle span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: var(--transition);
        }

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

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

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

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background: linear-gradient(135deg, rgba(10, 14, 23, 0.92), rgba(20, 28, 45, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(212, 168, 85, 0.12), transparent 50%);
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-breadcrumb a {
            color: var(--text-muted);
        }

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

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }

        .hero-breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text);
            max-width: 700px;
        }

        .page-hero h1 .accent {
            color: var(--primary);
        }

        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 0;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        .hero-meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-meta-tag i {
            color: var(--primary);
            font-size: 13px;
        }

        /* ===== 通用 Section ===== */
        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-alt {
            background: var(--dark-2);
        }

        .section-head {
            max-width: 700px;
            margin-bottom: 56px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(212, 168, 85, 0.08);
            border: 1px solid rgba(212, 168, 85, 0.2);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 14px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== 概述 / 数据块 ===== */
        .intro-section {
            padding: 100px 0 80px;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 50px;
            align-items: center;
        }

        .intro-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .intro-content p strong {
            color: var(--text);
            font-weight: 600;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--dark-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(212, 168, 85, 0.25);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== 访问方式 ===== */
        .method-section {
            padding: 100px 0;
            background: var(--dark-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .method-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .method-card {
            background: var(--dark-3);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .method-card:hover {
            transform: translateY(-6px);
            border-color: rgba(212, 168, 85, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .method-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

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

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

        .method-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--dark-3), transparent 70%);
            pointer-events: none;
        }

        .method-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(13, 17, 23, 0.85);
            color: var(--primary);
            border: 1px solid rgba(212, 168, 85, 0.3);
            backdrop-filter: blur(8px);
        }

        .method-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .method-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .method-card-body h3 i {
            color: var(--primary);
            font-size: 18px;
        }

        .method-card-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 18px;
        }

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

        .method-card-link:hover {
            gap: 12px;
            color: var(--primary-light);
        }

        /* ===== 流程 ===== */
        .process-section {
            padding: 100px 0;
        }

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

        .process-step {
            background: var(--dark-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 24px;
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            border-color: rgba(212, 168, 85, 0.3);
            transform: translateY(-4px);
        }

        .process-step::before {
            counter-increment: process;
            content: counter(process, decimal-leading-zero);
            font-size: 34px;
            font-weight: 800;
            color: rgba(212, 168, 85, 0.25);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }

        .process-step-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(212, 168, 85, 0.1);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 100px 0;
            background: var(--dark-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--dark-3);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item[open] {
            border-color: rgba(212, 168, 85, 0.25);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }

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

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

        .faq-item summary .fa-chevron-down {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 22px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            margin: 0 0 0 24px;
            padding-left: 24px;
        }

        .faq-item .faq-answer p {
            margin-top: 16px;
        }

        /* ===== 安全提醒 ===== */
        .notice-section {
            padding: 100px 0;
            position: relative;
            background: linear-gradient(135deg, rgba(10, 14, 23, 0.95), rgba(18, 24, 38, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .notice-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .notice-content .section-title {
            color: var(--text);
        }

        .notice-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .notice-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px;
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .notice-card:hover {
            background: rgba(212, 168, 85, 0.06);
            border-color: rgba(212, 168, 85, 0.2);
        }

        .notice-card i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .notice-card strong {
            display: block;
            font-size: 15px;
            color: var(--text);
            margin-bottom: 5px;
        }

        .notice-card span {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            text-align: center;
            position: relative;
        }

        .cta-box {
            max-width: 760px;
            margin: 0 auto;
            padding: 64px 48px;
            background: var(--dark-3);
            border: 1px solid rgba(212, 168, 85, 0.2);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -20%;
            right: -20%;
            height: 60%;
            background: radial-gradient(ellipse, rgba(212, 168, 85, 0.08), transparent 65%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), #b3893a);
            color: #131a26;
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(212, 168, 85, 0.25);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(212, 168, 85, 0.35);
            color: #131a26;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-hover));
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(212, 168, 85, 0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            background: transparent;
            color: var(--text);
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: rgba(212, 168, 85, 0.35);
            color: var(--primary);
            background: rgba(212, 168, 85, 0.05);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0e14;
            border-top: 1px solid var(--border);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-contact i {
            color: var(--primary);
            font-size: 15px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0 26px;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-domain {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.5px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

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

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

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.98);
                border-bottom: 1px solid var(--border);
                border-radius: 0 0 16px 16px;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 20px;
                display: none;
                gap: 4px;
                box-shadow: var(--shadow);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 15px;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .mega-panel {
                display: none;
            }

            .quick-trigger:focus-within .mega-panel {
                display: none;
            }

            .page-hero {
                padding: 140px 0 70px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .section {
                padding: 70px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .method-cards {
                grid-template-columns: 1fr;
            }

            .notice-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .notice-features {
                grid-template-columns: 1fr 1fr;
            }

            .cta-box {
                padding: 44px 24px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 520px) {
            .containerx {
                padding: 0 16px;
            }

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

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 19px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

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

            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
            }

            .stats-row {
                grid-template-columns: 1fr;
            }

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

            .notice-features {
                grid-template-columns: 1fr;
            }

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

            .btn-primary {
                width: 100%;
            }

            .cta-box {
                padding: 36px 20px;
            }
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
        --primary: #1a4ef5;
        --primary-light: #4d7cff;
        --primary-dark: #0e3ab8;
        --accent: #ffb800;
        --accent-light: #ffd166;
        --dark: #0b1220;
        --dark-2: #111c30;
        --dark-3: #1b2a45;
        --bg: #f5f7fc;
        --bg-deep: #eef1f8;
        --text: #1e293b;
        --text-light: #64748b;
        --text-muted: #94a3b8;
        --border: #e2e8f0;
        --radius: 14px;
        --radius-lg: 22px;
        --shadow: 0 8px 30px rgba(15, 23, 42, .08);
        --shadow-lg: 0 18px 50px rgba(15, 23, 42, .14);
        --transition: all .3s ease;
        --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { display: block; max-width: 100%; }
    ul { list-style: none; }
    button { border: none; background: none; cursor: pointer; font-family: inherit; }
    input, textarea { font-family: inherit; }

    .containerx { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .section { padding: 80px 0; }
    .section-sm { padding: 50px 0; }
    .text-center { text-align: center; }

    /* 按钮 */
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 30px; border-radius: 50px; font-size: 15px; font-weight: 600; background: var(--primary); color: #fff; border: 2px solid transparent; transition: var(--transition); box-shadow: 0 6px 20px rgba(26, 78, 245, .3); }
    .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(26, 78, 245, .4); }
    .btn:focus-visible { outline: 3px solid rgba(26, 78, 245, .35); outline-offset: 3px; }
    .btn-gold { background: var(--accent); color: #1e293b; box-shadow: 0 6px 20px rgba(255, 184, 0, .35); }
    .btn-gold:hover { background: #e6a800; color: #1e293b; box-shadow: 0 10px 30px rgba(255, 184, 0, .45); }
    .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); box-shadow: none; }
    .btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; box-shadow: none; }
    .btn-lg { padding: 16px 42px; font-size: 16px; }

    /* Header 导航 */
    .site-header { background: rgba(11, 18, 32, .95); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255,255,255,.07); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
    .brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .brand-icon { width: 42px; height: 42px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), #ff9500); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; color: #1e293b; box-shadow: 0 4px 14px rgba(255,184,0,.4); }
    .brand-name { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: .5px; }
    .brand-name span { color: var(--accent); }
    .main-nav { display: flex; align-items: center; gap: 6px; }
    .nav-link { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 8px; color: rgba(255,255,255,.8); font-size: 15px; font-weight: 500; transition: var(--transition); }
    .nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
    .nav-link.active { color: #fff; background: rgba(26,78,245,.3); }
    .nav-link.active::after { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
    .header-right { display: flex; align-items: center; gap: 14px; }
    .quick-trigger { position: relative; }
    .quick-btn { width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; transition: var(--transition); }
    .quick-btn:hover { background: rgba(255,255,255,.16); color: var(--accent); }
    .mega-panel { position: absolute; right: 0; top: calc(100% + 12px); width: 340px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 20px; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s ease; z-index: 100; }
    .quick-trigger:hover .mega-panel, .quick-trigger:focus-within .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
    .mega-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
    .mega-title { font-size: 15px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
    .mega-title i { color: var(--accent); }
    .mega-more { font-size: 12px; color: var(--text-muted); }
    .mega-entry-list { display: flex; flex-direction: column; gap: 8px; }
    .mega-entry { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 10px; transition: var(--transition); }
    .mega-entry:hover { background: var(--bg); transform: translateX(4px); }
    .mega-entry-icon { width: 42px; height: 42px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px; flex-shrink: 0; }
    .mega-entry-text strong { display: block; font-size: 14px; color: var(--text); }
    .mega-entry-text small { font-size: 12px; color: var(--text-muted); }
    .mega-tip { margin-top: 14px; padding: 12px 14px; background: #f8fafc; border-radius: 10px; font-size: 12px; color: var(--text-light); display: flex; gap: 8px; align-items: flex-start; }
    .mega-tip i { color: var(--accent); margin-top: 2px; }
    .menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,.08); color: #fff; font-size: 18px; align-items: center; justify-content: center; }

    /* 文章 Hero */
    .article-hero { background: linear-gradient(120deg, rgba(10,15,30,.94), rgba(20,35,70,.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; padding: 80px 0 60px; color: #fff; position: relative; overflow: hidden; }
    .article-hero::after { content: ''; position: absolute; bottom: 0; right: 0; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,184,0,.12), transparent 70%); pointer-events: none; }
    .breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 30px; flex-wrap: wrap; }
    .breadcrumb a { color: rgba(255,255,255,.7); }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb i { font-size: 12px; color: rgba(255,255,255,.4); }
    .breadcrumb span { color: var(--accent); }
    .article-hero-content { max-width: 800px; }
    .hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: rgba(255,184,0,.16); border: 1px solid rgba(255,184,0,.35); border-radius: 30px; font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 18px; }
    .article-hero-content h1 { font-size: 40px; line-height: 1.25; font-weight: 800; margin-bottom: 20px; letter-spacing: .5px; }
    .hero-meta { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.75); }
    .hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
    .hero-meta i { color: var(--accent); }

    /* 主内容区 */
    .article-section { padding: 70px 0 60px; }
    .article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
    .article-box { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 42px 44px; border: 1px solid rgba(226,232,240,.6); }

    .article-body { font-size: 15.5px; line-height: 1.9; color: var(--text); }
    .article-body h2 { font-size: 24px; font-weight: 700; margin: 36px 0 18px; padding-left: 16px; border-left: 4px solid var(--primary); line-height: 1.4; }
    .article-body h3 { font-size: 20px; font-weight: 700; margin: 30px 0 14px; color: var(--dark-2); }
    .article-body p { margin-bottom: 20px; }
    .article-body ul, .article-body ol { margin: 0 0 22px 24px; }
    .article-body li { margin-bottom: 10px; padding-left: 6px; }
    .article-body ul li::marker { color: var(--primary); }
    .article-body blockquote { border-left: 4px solid var(--accent); background: #f8fafc; padding: 20px 24px; margin: 28px 0; border-radius: 0 14px 14px 0; font-style: italic; color: #475569; font-size: 15px; }
    .article-body img { border-radius: 14px; margin: 24px 0; box-shadow: var(--shadow); }
    .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
    .article-body a:hover { color: var(--primary-dark); }
    .article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
    .article-body th, .article-body td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
    .article-body th { background: var(--bg-deep); font-weight: 600; }

    /* 侧边栏 */
    .article-sidebar { display: flex; flex-direction: column; gap: 26px; position: sticky; top: 100px; }
    .widget { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; border: 1px solid rgba(226,232,240,.6); }
    .widget-title { font-size: 17px; font-weight: 700; color: var(--dark-2); display: flex; align-items: center; gap: 10px; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
    .widget-title i { color: var(--primary); }
    .widget-meta { display: flex; flex-direction: column; gap: 12px; }
    .widget-meta li { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--bg); border-radius: 8px; font-size: 14px; }
    .widget-meta span { color: var(--text-muted); }
    .widget-meta strong { color: var(--text); font-weight: 600; }
    .widget-nav { display: flex; flex-direction: column; gap: 6px; }
    .widget-nav a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 10px; color: var(--text); font-size: 14px; font-weight: 500; background: var(--bg); transition: var(--transition); }
    .widget-nav a i { color: var(--text-muted); font-size: 12px; transition: var(--transition); }
    .widget-nav a:hover { background: var(--primary); color: #fff; transform: translateX(4px); }
    .widget-nav a:hover i { color: var(--accent); }
    .widget-tip { background: linear-gradient(135deg, #0b1220, #1b2a45); color: #fff; border: none; }
    .widget-tip .widget-title { color: #fff; border-color: rgba(255,255,255,.15); }
    .widget-tip .widget-title i { color: var(--accent); }
    .widget-tip p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,.75); }

    /* 空状态 */
    .article-empty { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 70px 40px; text-align: center; }
    .article-empty i { font-size: 56px; color: var(--text-muted); margin-bottom: 20px; }
    .article-empty h2 { font-size: 26px; color: var(--text); margin-bottom: 10px; }
    .article-empty p { color: var(--text-muted); margin-bottom: 26px; }

    /* 相关推荐 */
    .related-section { background: var(--bg-deep); padding: 70px 0; }
    .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
    .related-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); display: flex; flex-direction: column; }
    .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
    .related-card-cover { height: 150px; overflow: hidden; position: relative; }
    .related-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .related-card:hover .related-card-cover img { transform: scale(1.06); }
    .related-card-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(10,15,30,.55)); }
    .related-card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .related-card-body h3 { font-size: 15px; font-weight: 700; line-height: 1.5; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: var(--transition); }
    .related-card:hover .related-card-body h3 { color: var(--primary); }
    .related-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-top: auto; }

    /* CTA */
    .cta-section { background: linear-gradient(135deg, #0b1220 0%, #1b2a45 60%, #2a3f6e 100%); padding: 80px 0; position: relative; overflow: hidden; }
    .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: .12; }
    .cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; }
    .cta-inner h2 { font-size: 34px; color: #fff; font-weight: 800; margin-bottom: 16px; }
    .cta-inner p { color: rgba(255,255,255,.7); font-size: 16px; margin-bottom: 34px; }
    .cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

    /* FAQ */
    .faq-section { padding: 70px 0; }
    .faq-list { max-width: 860px; margin: 40px auto 0; display: flex; flex-direction: column; gap: 14px; }
    .faq-item { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid rgba(226,232,240,.6); overflow: hidden; transition: var(--transition); }
    .faq-item:hover { box-shadow: var(--shadow-lg); border-color: rgba(26,78,245,.25); }
    .faq-question { width: 100%; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; font-size: 16px; font-weight: 600; color: var(--text); transition: var(--transition); }
    .faq-question i { color: var(--primary); font-size: 14px; flex-shrink: 0; transition: transform .3s ease; }
    .faq-item.open .faq-question i { transform: rotate(180deg); }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
    .faq-answer-inner { padding: 0 24px 20px; color: var(--text-light); font-size: 14px; line-height: 1.8; }

    /* Footer */
    .site-footer { background: #0b1220; color: rgba(255,255,255,.7); padding: 60px 0 30px; border-top: 1px solid rgba(255,255,255,.06); }
    .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand .brand-name { font-size: 20px; }
    .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.7; max-width: 320px; }
    .footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
    .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 3px; background: var(--accent); border-radius: 3px; }
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { font-size: 14px; color: rgba(255,255,255,.65); display: flex; align-items: center; gap: 8px; }
    .footer-links a:hover { color: var(--accent); transform: translateX(4px); }
    .footer-links i { font-size: 12px; }
    .footer-contact { display: flex; flex-direction: column; gap: 12px; }
    .footer-contact span { font-size: 14px; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.65); }
    .footer-contact i { color: var(--accent); }
    .footer-bottom { padding-top: 26px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.4); }
    .footer-copy { color: rgba(255,255,255,.5); }

    /* 移动端 */
    @media (max-width: 900px) {
        .article-layout { grid-template-columns: 1fr; }
        .article-sidebar { flex-direction: row; flex-wrap: wrap; gap: 16px; position: static; }
        .widget { flex: 1 1 240px; }
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .menu-toggle { display: flex; }
        .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: #0b1220; flex-direction: column; padding: 20px 24px; gap: 6px; border-bottom: 1px solid rgba(255,255,255,.1); transform: translateY(-110%); transition: transform .35s ease; z-index: 999; }
        .main-nav.open { transform: translateY(0); }
        .nav-link { width: 100%; padding: 14px 16px; }
        .header-inner { height: 64px; }
        .article-hero { padding: 50px 0 45px; }
        .article-hero-content h1 { font-size: 30px; }
        .article-box { padding: 26px 22px; }
        .article-body { font-size: 15px; }
        .article-body h2 { font-size: 21px; }
        .related-grid { grid-template-columns: 1fr; }
        .cta-inner h2 { font-size: 26px; }
        .footer-grid { grid-template-columns: 1fr; gap: 30px; }
        .section { padding: 50px 0; }
        .containerx { padding: 0 18px; }
    }
    @media (max-width: 520px) {
        .brand-name { font-size: 17px; }
        .brand-icon { width: 36px; height: 36px; font-size: 18px; }
        .mega-panel { width: 290px; }
        .related-grid { grid-template-columns: 1fr; }
        .hero-meta { gap: 14px; font-size: 13px; }
        .btn { padding: 11px 24px; font-size: 14px; }
        .cta-btns { flex-direction: column; }
    }

/* roulang page: category2 */
:root {
  --bg-primary: #0b0f14;
  --bg-secondary: #111820;
  --bg-card: #151e28;
  --bg-deep: #080c10;
  --accent-primary: #e8b44a;
  --accent-secondary: #c97f2e;
  --accent-glow: rgba(232, 180, 74, 0.22);
  --text-primary: #e8edf2;
  --text-secondary: #a5b3c2;
  --text-weak: #6e7e8f;
  --border-color: #223040;
  --border-light: #2a3a4d;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --spacing-section: 90px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::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: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
a:hover { color: var(--accent-primary); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; outline: none; }
.containerx { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; }

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  background: rgba(8, 12, 16, 0.97);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #0b0f14;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-name span {
  color: var(--accent-primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav .nav-link {
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid transparent;
}
.main-nav .nav-link:hover {
  color: var(--text-primary);
  background: rgba(232, 180, 74, 0.08);
  border-color: rgba(232, 180, 74, 0.2);
}
.main-nav .nav-link.active {
  color: var(--accent-primary);
  background: rgba(232, 180, 74, 0.12);
  border-color: rgba(232, 180, 74, 0.25);
}
.main-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.quick-trigger {
  position: relative;
}
.quick-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.3s ease;
}
.quick-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 100;
}
.quick-trigger:hover .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}
.mega-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-primary);
}
.mega-title i { margin-right: 6px; }
.mega-more {
  font-size: 13px;
  color: var(--text-weak);
}
.mega-entry-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mega-entry {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  border-radius: 10px;
  transition: all 0.3s ease;
}
.mega-entry:hover {
  background: rgba(232, 180, 74, 0.06);
  border-color: rgba(232, 180, 74, 0.2);
  transform: translateX(4px);
}
.mega-entry-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 180, 74, 0.12);
  color: var(--accent-primary);
  font-size: 17px;
  flex-shrink: 0;
}
.mega-entry-text strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.mega-entry-text small {
  font-size: 13px;
  color: var(--text-weak);
}
.mega-tip {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(232, 180, 74, 0.06);
  border: 1px dashed rgba(232, 180, 74, 0.3);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.mega-tip i { color: var(--accent-primary); }
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}
.mobile-toggle:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 110px 0 85px;
  background: linear-gradient(135deg, rgba(8, 12, 16, 0.96), rgba(11, 15, 20, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.banner-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 22px;
}
.banner-crumbs a {
  color: var(--text-weak);
  transition: color 0.3s;
}
.banner-crumbs a:hover { color: var(--accent-primary); }
.banner-crumbs i {
  font-size: 12px;
  color: var(--text-weak);
}
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(232, 180, 74, 0.12);
  border: 1px solid rgba(232, 180, 74, 0.3);
  border-radius: 30px;
  font-size: 13px;
  color: var(--accent-primary);
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.banner-tag i { font-size: 12px; }
.page-banner h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.page-banner h1 span {
  background: linear-gradient(90deg, var(--accent-primary), #f5d98a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 28px;
}
.banner-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.banner-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.banner-meta-item i {
  color: var(--accent-primary);
  font-size: 14px;
}

/* ===== Section Common ===== */
.section-block {
  padding: var(--spacing-section) 0;
  position: relative;
}
.section-block.alt-bg {
  background: var(--bg-secondary);
}
.section-head {
  margin-bottom: 44px;
  max-width: 680px;
}
.section-head .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-head .section-kicker::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head.center .section-kicker::before {
  display: none;
}

/* ===== News Cards ===== */
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 180, 74, 0.35);
  box-shadow: var(--shadow-lg);
}
.news-card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-deep);
}
.news-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-thumb img {
  transform: scale(1.06);
}
.news-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(11, 15, 20, 0.88);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(232, 180, 74, 0.35);
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
}
.news-card-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s;
}
.news-card:hover .news-card-title {
  color: var(--accent-primary);
}
.news-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-weak);
}
.news-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card-meta i {
  font-size: 12px;
  color: var(--accent-primary);
}

/* ===== Topics / Tags ===== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.topic-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 180, 74, 0.35);
  box-shadow: var(--shadow-md);
}
.topic-card:hover::before {
  opacity: 1;
}
.topic-icon {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: rgba(232, 180, 74, 0.1);
  border: 1px solid rgba(232, 180, 74, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 24px;
  color: var(--accent-primary);
}
.topic-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.topic-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.topic-count {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-weak);
  border: 1px solid var(--border-color);
}

/* ===== Stats ===== */
.stats-section {
  background: linear-gradient(135deg, rgba(8, 12, 16, 0.97), rgba(11, 15, 20, 0.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  transition: transform 0.3s, border-color 0.3s;
}
.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 180, 74, 0.3);
}
.stat-number {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent-primary), #f5d98a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

/* ===== Timeline ===== */
.timeline-section {
  background: var(--bg-secondary);
}
.timeline-wrap {
  position: relative;
  padding-left: 28px;
}
.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary), rgba(232,180,74,0.1));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding: 0 0 36px 24px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 14px var(--accent-glow);
}
.timeline-item .tl-date {
  font-size: 12px;
  color: var(--accent-primary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.timeline-item .tl-date i { font-size: 10px; }
.timeline-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.timeline-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

/* ===== FAQ ===== */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover {
  border-color: rgba(232, 180, 74, 0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  transition: background 0.3s;
  width: 100%;
  text-align: left;
}
.faq-question:hover {
  background: rgba(232, 180, 74, 0.04);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 180, 74, 0.1);
  border: 1px solid rgba(232, 180, 74, 0.2);
  color: var(--accent-primary);
  font-size: 12px;
  transition: transform 0.3s;
}
.faq-item.open .faq-question .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px 66px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(8, 12, 16, 0.95), rgba(17, 24, 32, 0.92)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-top: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-inner h2 span {
  color: var(--accent-primary);
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #0b0f14;
  box-shadow: 0 6px 20px var(--accent-glow);
  border: 1px solid rgba(232,180,74,0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--accent-glow);
  color: #0b0f14;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 24px;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
}
.footer-links a i {
  font-size: 11px;
  color: var(--accent-primary);
  transition: transform 0.3s;
}
.footer-links a:hover {
  color: var(--accent-primary);
}
.footer-links a:hover i {
  transform: translateX(3px);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact span {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent-primary);
  font-size: 14px;
  width: 20px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-weak);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-domain {
  font-family: monospace;
  color: var(--text-weak);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --spacing-section: 70px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .page-banner h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 999;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .main-nav .nav-link {
    padding: 14px 16px;
    font-size: 16px;
  }
  .main-nav .nav-link.active::after {
    width: 4px;
    height: 20px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    border-radius: 0 4px 4px 0;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .mega-panel {
    width: 320px;
  }
  .page-banner {
    padding: 80px 0 60px;
  }
  .page-banner h1 {
    font-size: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .timeline-wrap {
    padding-left: 18px;
  }
  .timeline-item {
    padding-left: 16px;
  }
  .timeline-item::before {
    left: -22px;
    width: 10px;
    height: 10px;
  }
  .faq-answer-inner {
    padding-left: 24px;
  }
}
@media (max-width: 520px) {
  :root { --spacing-section: 55px; }
  .topic-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-number {
    font-size: 32px;
  }
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .page-banner h1 {
    font-size: 26px;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }
  .header-inner {
    min-height: 62px;
  }
  .main-nav {
    top: 62px;
  }
  .mega-panel {
    width: 280px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}