/* roulang page: index */
:root {
    --bg-primary: #0B1526;
    --bg-secondary: #0F1C33;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.12);
    --accent: #00E69C;
    --accent-warm: #FFC933;
    --text-title: #F3F7FF;
    --text-body: #9AAECB;
    --text-muted: #64748B;
    --error: #FF5D6C;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg-primary);
    color: var(--text-body);
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; transition: color .2s, border-color .2s, background .2s, transform .2s, box-shadow .2s; }
  img { max-width: 100%; display: block; }
  button, input { font-family: inherit; }

  .container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 16px; }
  @media (min-width: 768px) { .container { padding: 0 24px; } }

  .section { padding: 56px 0; }
  @media (min-width: 768px) { .section { padding: 96px 0; } }

  .glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease;
  }
  .glass-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0,230,156,0.35);
    box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  }

  .btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--accent); color: #06281C; font-weight: 700;
    padding: 12px 24px; border-radius: 8px; border: none; cursor: pointer;
    box-shadow: 0 0 24px rgba(0,230,156,0.35);
    transition: background .2s, box-shadow .2s, transform .2s;
  }
  .btn-primary:hover { background: #2BF0B3; box-shadow: 0 0 36px rgba(0,230,156,0.5); transform: translateY(-1px); }
  .btn-primary:active { transform: translateY(1px); box-shadow: 0 0 16px rgba(0,230,156,0.25); }

  .btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; color: #fff; font-weight: 600;
    padding: 12px 24px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2); cursor: pointer;
    transition: border-color .2s, background .2s, transform .2s;
  }
  .btn-secondary:hover { border-color: rgba(0,230,156,0.6); background: rgba(255,255,255,0.06); }

  .btn-ghost {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; color: var(--text-body); font-weight: 500;
    padding: 8px 16px; border-radius: 8px; border: none; cursor: pointer;
    transition: color .2s;
  }
  .btn-ghost:hover { color: var(--accent); text-decoration: underline; }

  .badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; padding: 4px 12px; border-radius: 999px; line-height: 1.4;
  }
  .badge-accent { background: rgba(0,230,156,0.12); color: var(--accent); }
  .badge-info { background: rgba(255,255,255,0.06); color: var(--text-muted); }
  .badge-warn { background: rgba(255,93,108,0.12); color: #FF8A94; }

  .stat-number { font-variant-numeric: tabular-nums; }

  /* Header */
  .site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: 72px; background: rgba(11,21,38,0.85);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background .3s;
  }
  .site-header.scrolled { background: rgba(11,21,38,0.95); }
  .nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text-title); font-size: 18px; white-space: nowrap; }
  .logo-mark {
    width: 38px; height: 38px; position: relative; flex-shrink: 0;
    background: rgba(0,230,156,0.12); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(0,230,156,0.4);
  }
  .logo-mark span { color: var(--accent); font-weight: 900; font-size: 15px; letter-spacing: .5px; }
  .logo-divider { width: 1px; height: 18px; background: rgba(255,255,255,0.15); margin: 0 2px; }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-item {
    position: relative; color: var(--text-body); font-size: 15px; padding: 8px 4px;
    transition: color .2s;
  }
  .nav-item:hover { color: #fff; }
  .nav-item::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 0; height: 3px; border-radius: 2px; background: var(--accent);
    box-shadow: 0 0 8px rgba(0,230,156,0.6); transition: width .25s;
  }
  .nav-item:hover::after { width: 20px; }
  .nav-item.active { color: #fff; background: rgba(255,255,255,0.08); border-radius: 999px; padding: 8px 16px; }
  .nav-item.active::after { width: 20px; }
  .nav-cta { display: flex; align-items: center; gap: 20px; }
  .menu-toggle {
    display: none; width: 44px; height: 44px; border-radius: 10px;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-title); font-size: 20px; cursor: pointer;
    align-items: center; justify-content: center;
  }
  .mobile-drawer {
    position: fixed; top: 72px; left: 0; right: 0; bottom: 0; z-index: 99;
    background: rgba(11,21,38,0.97); backdrop-filter: blur(26px);
    display: none; flex-direction: column; padding: 32px 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  .mobile-drawer.open { display: flex; }
  .mobile-drawer a {
    color: var(--text-title); font-size: 18px; padding: 18px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .mobile-drawer a:hover { color: var(--accent); }
  .mobile-drawer .btn-primary { margin-top: 24px; width: 100%; }

  /* Hero */
  .hero {
    min-height: 85vh; position: relative; display: flex; align-items: center;
    padding: 120px 0 60px; overflow: hidden;
    background-image: linear-gradient(rgba(6,12,24,0.82), rgba(6,12,24,0.82)), url('/assets/images/backpic/back-1.webp');
    background-size: cover; background-position: center;
  }
  .hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(0,230,156,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,230,156,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
  }
  .hero-panel {
    background: rgba(255,255,255,0.05); backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.12); border-radius: 24px;
    box-shadow: 0 0 60px rgba(0,230,156,0.15), 0 20px 50px rgba(0,0,0,0.5);
    padding: 32px;
  }
  .hero-stats-bar { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 32px; }
  .hero-stat-item { flex: 1; min-width: 140px; padding: 16px 20px; border-radius: 12px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); }
  .hero-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

  /* Pain points */
  .pain-point-card { background: rgba(11,15,26,0.8); border: 1px solid rgba(255,255,255,0.08); }
  .pain-point-card:hover { border-color: rgba(255,93,108,0.4); }
  .pain-icon { width: 48px; height: 48px; background: rgba(255,93,108,0.12); color: #FF8A94; display: flex; align-items: center; justify-content: center; border-radius: 12px; }

  /* Timeline */
  .timeline-wrap { position: relative; padding-left: 32px; }
  .timeline-wrap::before {
    content: ''; position: absolute; left: 10px; top: 10px; bottom: 10px; width: 2px;
    background: repeating-linear-gradient(to bottom, rgba(0,230,156,0.35) 0 6px, transparent 6px 12px);
  }
  .timeline-dot { position: absolute; left: 0; top: 24px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px rgba(0,230,156,0.6); }
  .timeline-card { margin-bottom: 24px; position: relative; }
  .step-num { font-size: 42px; font-weight: 800; color: rgba(0,230,156,0.25); font-family: 'Courier New', monospace; line-height: 1; }

  /* FAQ */
  .faq-item { overflow: hidden; }
  .faq-question { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 56px; padding: 16px; background: transparent; border: none; color: var(--text-title); font-size: 16px; font-weight: 600; cursor: pointer; text-align: left; }
  .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
  .faq-answer.open { grid-template-rows: 1fr; }
  .faq-answer-inner { overflow: hidden; }
  .faq-item.open { border-color: rgba(0,230,156,0.25); background: rgba(255,255,255,0.07); }

  /* Footer */
  .site-footer { background: #060C18; border-top: 1px solid rgba(255,255,255,0.08); padding: 56px 0 24px; }
  .footer-col-title { color: var(--text-title); font-size: 15px; font-weight: 600; margin-bottom: 16px; }
  .footer-links li { margin-bottom: 10px; }
  .footer-links a { color: var(--text-muted); font-size: 14px; }
  .footer-links a:hover { color: var(--accent); }

  /* CTA banner */
  .cta-banner {
    border-radius: 24px; position: relative; overflow: hidden;
    background-image: linear-gradient(rgba(6,12,24,0.72), rgba(6,12,24,0.72)), url('/assets/images/backpic/back-3.png');
    background-size: cover; background-position: center;
    border: 1px solid rgba(0,230,156,0.4);
    padding: 64px 32px; text-align: center;
  }

  /* Input */
  .input-field {
    width: 100%; height: 48px; padding: 0 16px; border-radius: 12px;
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.15);
    color: var(--text-title); font-size: 15px; outline: none; transition: border-color .2s, box-shadow .2s;
  }
  .input-field::placeholder { color: var(--text-muted); }
  .input-field:focus { border-color: rgba(0,230,156,0.8); box-shadow: 0 0 0 4px rgba(0,230,156,0.15); }

  .section-heading { position: relative; padding-left: 16px; margin-bottom: 12px; }
  .section-heading::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 2px; background: var(--accent); }
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-cta .btn-primary { display: none; }
    .menu-toggle { display: flex; }
    .hero { padding: 100px 0 48px; }
    .hero-panel { margin-top: 32px; }
    .cta-banner { padding: 44px 20px; }
  }
  @media (min-width: 769px) {
    .mobile-drawer { display: none !important; }
  }

/* roulang page: article */
:root {
            --bg-primary: #0B1526;
            --bg-secondary: #0F1C33;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E69C;
            --accent-warm: #FFC933;
            --text-title: #F3F7FF;
            --text-body: #9AAECB;
            --text-muted: #64748B;
            --error: #FF5D6C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.5);
            --glow-accent: 0 0 24px rgba(0, 230, 156, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all .25s ease;
        }

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

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

        input,
        textarea {
            font-family: inherit;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(11, 21, 38, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .3s;
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 230, 156, .22), rgba(0, 230, 156, .05));
            border: 1px solid rgba(0, 230, 156, .38);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 13px;
            color: var(--accent);
            letter-spacing: .5px;
            box-shadow: 0 0 18px rgba(0, 230, 156, .25);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: .3px;
            white-space: nowrap;
        }

        .logo-divider {
            color: var(--accent);
            margin: 0 2px;
        }

        .logo-bold {
            color: var(--accent);
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: .5rem;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-item {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            color: var(--text-body);
            border-radius: 999px;
            font-weight: 500;
            white-space: nowrap;
        }

        .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-item::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 20px;
            height: 4px;
            border-radius: 2px;
            background: var(--accent);
            opacity: 0;
            box-shadow: 0 0 12px rgba(0, 230, 156, .7);
            transition: opacity .25s;
        }

        .nav-item:hover::after {
            opacity: .6;
        }

        .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-item.active::after {
            opacity: 1;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .header-actions .btn-primary {
            display: none;
        }

        @media (min-width: 1024px) {
            .header-actions .btn-primary {
                display: inline-flex;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--accent);
            color: #06281C;
            font-weight: 700;
            padding: .75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-size: 15px;
            box-shadow: 0 0 24px rgba(0, 230, 156, .35);
            transition: all .25s;
            border: none;
        }

        .btn-primary:hover {
            box-shadow: 0 0 36px rgba(0, 230, 156, .5);
            transform: translateY(-1px);
            background: #0df5ae;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 16px rgba(0, 230, 156, .25);
        }

        .btn-sm {
            padding: .55rem 1.25rem;
            font-size: 14px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .04);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .2);
            padding: .75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all .25s;
        }

        .btn-secondary:hover {
            border-color: rgba(0, 230, 156, .6);
            background: rgba(255, 255, 255, .06);
            color: var(--accent);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            color: var(--text-body);
            font-size: 14px;
            font-weight: 600;
            padding: .6rem 1.2rem;
            border-radius: var(--radius-btn);
            transition: all .25s;
        }

        .btn-ghost:hover {
            color: var(--accent);
            background: rgba(0, 230, 156, .08);
        }

        .menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .04);
        }

        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
        }

        .menu-toggle span {
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: all .3s;
        }

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

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

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

        .mobile-drawer {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 99;
            background: rgba(11, 21, 38, .97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 28px 24px 40px;
            transform: translateX(110%);
            transition: transform .35s ease;
            overflow-y: auto;
        }

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

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-nav-item {
            padding: 14px 18px;
            border-radius: 12px;
            font-size: 16px;
            color: var(--text-title);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .06);
            font-weight: 600;
        }

        .mobile-nav-item.active {
            background: rgba(0, 230, 156, .12);
            color: var(--accent);
            border-color: rgba(0, 230, 156, .25);
        }

        .mobile-nav .btn-primary {
            margin-top: 18px;
            width: 100%;
            height: 48px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            padding: .3rem .85rem;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
        }

        .badge-accent {
            background: rgba(0, 230, 156, .12);
            color: var(--accent);
        }

        .badge-info {
            background: rgba(255, 255, 255, .06);
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, .06);
        }

        .breadcrumb-section {
            padding: 30px 0 8px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .5rem;
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, .18);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-body);
            max-width: 200px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-header-section {
            padding: 30px 0 10px;
        }

        .article-header-inner {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-title {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-title);
            margin: 16px 0 18px;
            letter-spacing: .2px;
        }

        @media (min-width: 768px) {
            .article-title {
                font-size: 38px;
            }
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .8rem;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-meta i {
            color: var(--accent);
            opacity: .8;
        }

        .article-meta .dot {
            color: rgba(255, 255, 255, .15);
        }

        .article-body-section {
            padding: 20px 0 50px;
        }

        .article-body {
            max-width: 780px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 1.5em;
        }

        .article-body h2 {
            font-size: 23px;
            font-weight: 700;
            color: var(--text-title);
            margin: 2.1rem 0 1rem;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin: 1.6rem 0 .8rem;
        }

        .article-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin: 1.3rem 0 .6rem;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: .5em;
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent);
            background: rgba(255, 255, 255, .04);
            border-radius: 12px;
            padding: .9rem 1.4rem;
            margin: 1.6em 0;
            color: var(--text-title);
            font-style: normal;
        }

        .article-body img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 1.6em 0;
        }

        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid rgba(0, 230, 156, .3);
        }

        .article-body a:hover {
            text-decoration: none;
            border-bottom-color: var(--accent);
        }

        .article-body pre {
            background: #0A0F1C;
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 12px;
            padding: 1.25rem;
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 14px;
            line-height: 1.7;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            color: #D3E4FF;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            background: rgba(255, 255, 255, .06);
            border-radius: 6px;
            padding: .15em .4em;
            font-size: 14px;
            color: var(--accent);
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 14px;
            display: block;
            overflow-x: auto;
        }

        .article-body th,
        .article-body td {
            border: 1px solid rgba(255, 255, 255, .1);
            padding: .7rem 1rem;
            text-align: left;
        }

        .article-body th {
            background: rgba(255, 255, 255, .04);
            color: var(--text-title);
            font-weight: 600;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin: 2.2em 0;
        }

        .article-tags {
            max-width: 780px;
            margin: 10px auto 0;
            padding: 16px 0 4px;
            display: flex;
            flex-wrap: wrap;
            gap: .6rem;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 1.4rem;
            padding-left: 16px;
            position: relative;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 2px;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(0, 230, 156, .5);
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }

        .related-section {
            padding: 56px 0 36px;
            border-top: 1px solid rgba(255, 255, 255, .05);
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .related-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all .25s;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            display: block;
        }

        .related-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 230, 156, .35);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
        }

        .related-card .thumb {
            height: 160px;
            overflow: hidden;
            background: linear-gradient(135deg, #13264A, #0B1526);
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .related-card:hover .thumb img {
            transform: scale(1.06);
        }

        .related-card .card-body {
            padding: 1rem 1.25rem 1.25rem;
        }

        .related-card .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            margin: .6rem 0 .5rem;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: .4rem;
        }

        .back-entry {
            text-align: center;
            padding: 28px 0 10px;
        }

        .not-found-section {
            padding: 80px 24px;
            text-align: center;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            backdrop-filter: blur(14px);
        }

        .not-found-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 14px;
        }

        .not-found-text {
            color: var(--text-body);
            font-size: 15px;
            margin-bottom: 26px;
        }

        .cta-section {
            padding: 40px 0 72px;
        }

        .cta-banner {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            padding: 54px 24px;
            text-align: center;
            background: linear-gradient(135deg, rgba(15, 28, 51, .96), rgba(11, 21, 38, .92)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border: 1px solid rgba(0, 230, 156, .22);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 230, 156, .08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 12px;
            position: relative;
        }

        .cta-banner p {
            color: var(--text-body);
            font-size: 14px;
            margin-bottom: 26px;
            position: relative;
        }

        .cta-banner .btn-primary {
            padding: .95rem 2.4rem;
            font-size: 17px;
            border-radius: 14px;
            position: relative;
        }

        .cta-disclaimer {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
            position: relative;
        }

        .site-footer {
            background: #060C18;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 60px 0 26px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: .6rem;
        }

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

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

        @media (max-width: 640px) {
            .cta-banner {
                padding: 38px 20px;
            }

            .cta-banner h2 {
                font-size: 21px;
            }

            .article-title {
                font-size: 27px;
            }

            .article-meta {
                gap: .5rem;
                font-size: 12px;
            }

            .breadcrumb-section {
                padding-top: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B1526;
            --bg-secondary: #0F1C33;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E69C;
            --accent-warm: #FFC933;
            --text-title: #F3F7FF;
            --text-body: #9AAECB;
            --text-muted: #64748B;
            --error: #FF5D6C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 9999px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.5);
            --glow-accent: 0 0 24px rgba(0, 230, 156, 0.35);
        }

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

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-title);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(11, 21, 38, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 100;
            transition: background 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 21, 38, 0.88);
        }

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

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

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(0, 230, 156, 0.12);
            border: 1px solid rgba(0, 230, 156, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 12px;
            color: var(--accent);
            letter-spacing: 0.08em;
            box-shadow: 0 0 16px rgba(0, 230, 156, 0.12);
        }

        .logo-text {
            font-weight: 700;
            font-size: 17px;
            color: var(--text-title);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin: 0 auto;
        }

        .nav-item {
            position: relative;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .nav-item::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(0, 230, 156, 0.5);
            transition: width 0.3s ease;
        }

        .nav-item:hover {
            color: #fff;
        }

        .nav-item:hover::after {
            width: 20px;
        }

        .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-item.active::after {
            width: 20px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #06281C;
            font-weight: 700;
            font-size: 15px;
            box-shadow: var(--glow-accent);
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #2bf0ac;
            box-shadow: 0 0 36px rgba(0, 230, 156, 0.5);
            transform: translateY(-1px);
            color: #06281C;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 18px rgba(0, 230, 156, 0.2);
        }

        .btn-sm {
            padding: 0.625rem 1.25rem;
            font-size: 14px;
        }

        .btn-lg {
            padding: 1rem 2.5rem;
            font-size: 18px;
            border-radius: 0.75rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: rgba(0, 230, 156, 0.6);
            background: rgba(255, 255, 255, 0.06);
            color: var(--accent);
        }

        /* ===== Mobile Menu ===== */
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s;
        }

        .menu-toggle:hover {
            border-color: rgba(0, 230, 156, 0.4);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 78%;
            max-width: 340px;
            height: 100vh;
            background: rgba(15, 28, 51, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 200;
            padding: 2rem 1.5rem 1.5rem;
            transition: right 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .drawer-link {
            padding: 0.9rem 1rem;
            border-radius: 0.75rem;
            color: var(--text-body);
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.2s;
        }

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

        .drawer-link.active {
            background: rgba(0, 230, 156, 0.12);
            color: var(--accent);
        }

        .drawer-close {
            margin-top: 1rem;
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            margin-top: 72px;
            overflow: hidden;
            background-color: var(--bg-primary);
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 12, 24, 0.88) 0%, rgba(6, 12, 24, 0.65) 100%);
            z-index: 1;
        }

        .banner-grid {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 44px 44px;
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            padding-top: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .banner-content h1 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-title);
            margin: 0.75rem 0 0.5rem;
            max-width: 640px;
        }

        .banner-content h1 .accent-text {
            color: var(--accent);
        }

        .banner-content p {
            font-size: 15px;
            color: var(--text-body);
            max-width: 560px;
            margin: 0;
        }

        .banner-deco {
            position: absolute;
            right: 2rem;
            bottom: 1.5rem;
            z-index: 3;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.15em;
            font-variant-numeric: tabular-nums;
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-pill);
            background: rgba(11, 21, 38, 0.4);
            backdrop-filter: blur(8px);
        }

        @media (min-width: 768px) {
            .page-banner {
                min-height: 320px;
            }
            .banner-content h1 {
                font-size: 34px;
            }
            .banner-content p {
                font-size: 16px;
            }
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.25rem 0.8rem;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            white-space: nowrap;
        }

        .badge-accent {
            background: rgba(0, 230, 156, 0.12);
            color: var(--accent);
            border: 1px solid rgba(0, 230, 156, 0.2);
        }

        .badge-info {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .badge-warm {
            background: rgba(255, 201, 51, 0.12);
            color: var(--accent-warm);
            border: 1px solid rgba(255, 201, 51, 0.15);
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            padding: 1.5rem 0 0;
            position: relative;
            z-index: 5;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .stat-cell {
            padding: 1.25rem 1rem;
            text-align: center;
        }

        .stat-num {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        .stat-divider {
            display: none;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 0;
            }
            .stat-divider {
                display: none;
            }
            .stat-cell:nth-child(3),
            .stat-cell:nth-child(4) {
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
        }

        @media (min-width: 769px) {
            .stat-cell:not(:last-child) {
                border-right: 1px solid rgba(255, 255, 255, 0.06);
            }
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .glass-card:hover {
            border-color: rgba(0, 230, 156, 0.35);
        }

        /* ===== Section Heading ===== */
        .section-heading {
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 0.25rem;
        }

        .section-heading .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 768px) {
            .section-heading h2 {
                font-size: 22px;
            }
        }

        /* ===== News Card ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-card {
            display: flex;
            gap: 1.25rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 1rem;
            padding: 0.9rem;
            transition: all 0.3s ease;
        }

        .news-card:hover {
            border-color: rgba(0, 230, 156, 0.35);
            transform: translateY(-2px);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
            background: rgba(255, 255, 255, 0.06);
        }

        .news-thumb {
            width: 240px;
            min-height: 160px;
            border-radius: 0.75rem;
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(135deg, #13264A, #0B1526);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 0.25rem 0;
        }

        .news-tags {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.5rem;
        }

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

        .news-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 0.5rem;
        }

        .news-title a {
            color: var(--text-title);
        }

        .news-title a:hover {
            color: var(--accent);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0 0 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
        }

        .news-views {
            font-size: 12px;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
        }

        .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .read-more:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
            }
            .news-title {
                font-size: 16px;
            }
        }

        /* ===== Sticky Sidebar ===== */
        .sticky-sidebar {
            position: sticky;
            top: 6rem;
        }

        .sidebar-card {
            padding: 1.5rem;
        }

        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 1rem;
            position: relative;
            padding-left: 0.85rem;
        }

        .sidebar-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: var(--accent);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.2s ease;
        }

        .tag-item:hover {
            color: var(--accent);
            border-color: rgba(0, 230, 156, 0.35);
            background: rgba(0, 230, 156, 0.06);
        }

        .tag-item.active {
            color: var(--accent);
            border-color: rgba(0, 230, 156, 0.35);
            background: rgba(0, 230, 156, 0.12);
        }

        .sidebar-divider {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 1.25rem 0;
        }

        .sidebar-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.75rem;
            margin-bottom: 1.25rem;
        }

        .sidebar-stat-cell {
            text-align: center;
            padding: 0.5rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 0.75rem;
        }

        .sidebar-stat-cell .num {
            display: block;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .sidebar-stat-cell .label {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        .sports-direction {
            margin-top: 1rem;
        }

        .sports-direction .direction-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 14px;
            color: var(--text-body);
        }

        .sports-direction .direction-item span:last-child {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
        }

        .sports-direction .direction-item:hover {
            color: var(--accent);
        }

        /* ===== CTA ===== */
        .category-cta {
            padding: 3rem 0 4rem;
        }

        .cta-banner {
            position: relative;
            border-radius: 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 230, 156, 0.2);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
            padding: 3rem 1.5rem;
            text-align: center;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .cta-banner > * {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-title);
            margin: 0 0 0.5rem;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-body);
            margin: 0 0 1.5rem;
        }

        .cta-banner .btn-primary {
            min-width: 160px;
        }

        @media (max-width: 768px) {
            .cta-banner h2 {
                font-size: 22px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #060C18;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 3rem 0 2rem;
        }

        .site-footer .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 1rem;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        /* ===== 通用区块间距 ===== */
        .section-block {
            padding: 3rem 0 1rem;
        }

        @media (min-width: 768px) {
            .section-block {
                padding: 4rem 0 1rem;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #0B1526;
        }

        ::-webkit-scrollbar-thumb {
            background: #2d3b54;
            border-radius: 8px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #3a4c6a;
        }

        /* ===== 响应式导航 ===== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.5rem;
            }
            .nav-item {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .logo-text {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-primary {
                display: none;
            }
            .page-banner {
                min-height: 260px;
            }
            .banner-content h1 {
                font-size: 26px;
            }
            .banner-deco {
                display: none;
            }
            .stat-num {
                font-size: 22px;
            }
            .news-title {
                font-size: 15px;
            }
            .news-summary {
                -webkit-line-clamp: 2;
            }
        }

/* roulang page: category2 */
:root {
    --bg-primary: #0B1526;
    --bg-secondary: #0F1C33;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.12);
    --accent: #00E69C;
    --accent-warm: #FFC933;
    --text-title: #F3F7FF;
    --text-body: #9AAECB;
    --text-muted: #64748B;
    --error: #FF5D6C;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-primary);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
  }

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

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

  input {
    font-family: inherit;
  }

  /* ===== Header ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: 72px;
    background: rgba(11, 21, 38, 0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease;
  }

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

  .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 230, 156, 0.12);
    border: 1px solid rgba(0, 230, 156, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
  }

  .logo-mark::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 230, 156, 0.2) 0%, transparent 60%);
  }

  .logo-mark span {
    position: relative;
    z-index: 1;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .nav-item {
    font-size: 15px;
    color: var(--text-body);
    font-weight: 400;
    padding: 6px 14px;
    border-radius: 999px;
    position: relative;
    transition: color 0.25s, background 0.25s;
  }

  .nav-item::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    border-radius: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(0, 230, 156, 0.6);
    transition: width 0.3s ease;
  }

  .nav-item:hover {
    color: #fff;
  }

  .nav-item:hover::after {
    width: 20px;
  }

  .nav-item.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-item.active::after {
    width: 20px;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #06281C;
    font-weight: 700;
    font-size: 14px;
    padding: 9px 20px;
    border-radius: 10px;
    box-shadow: 0 0 24px rgba(0, 230, 156, 0.35);
    transition: all 0.25s ease;
  }

  .nav-cta:hover {
    background: #0effad;
    box-shadow: 0 0 36px rgba(0, 230, 156, 0.5);
    transform: translateY(-1px);
    color: #06281C;
  }

  .hamburger {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    align-items: center;
    justify-content: center;
    color: var(--text-title);
    font-size: 18px;
    transition: border-color 0.2s;
  }

  .hamburger:hover {
    border-color: rgba(0, 230, 156, 0.4);
  }

  /* 移动抽屉 */
  .mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: rgba(15, 28, 51, 0.97);
    backdrop-filter: blur(20px);
    z-index: 100;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(.4, 0, .2, 1);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
  }

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

  .drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .drawer-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 32px;
  }

  .drawer-links a {
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-body);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s;
  }

  .drawer-links a:hover,
  .drawer-links a.active {
    background: rgba(0, 230, 156, 0.08);
    color: var(--accent);
    padding-left: 20px;
  }

  .drawer-cta {
    margin-top: auto;
  }

  /* ===== Button ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #06281C;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 10px;
    box-shadow: 0 0 24px rgba(0, 230, 156, 0.35);
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    font-size: 15px;
    line-height: 1.4;
  }

  .btn-primary:hover {
    background: #0effad;
    box-shadow: 0 0 36px rgba(0, 230, 156, 0.5);
    transform: translateY(-1px);
  }

  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 0 18px rgba(0, 230, 156, 0.3);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.25s ease;
    cursor: pointer;
    font-size: 15px;
  }

  .btn-secondary:hover {
    border-color: rgba(0, 230, 156, 0.6);
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent);
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-body);
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    background: none;
    border: none;
    cursor: pointer;
  }

  .btn-ghost:hover {
    color: var(--accent);
    text-decoration: underline;
  }

  .btn-large {
    padding: 16px 40px;
    font-size: 17px;
    border-radius: 14px;
  }

  /* ===== 玻璃卡片 ===== */
  .glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    position: relative;
  }

  .glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 12px;
    right: 12px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  }

  .glass-card:hover {
    border-color: rgba(0, 230, 156, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  }

  /* ===== 标签 ===== */
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 999px;
    background: rgba(0, 230, 156, 0.12);
    color: var(--accent);
    font-weight: 500;
    white-space: nowrap;
  }

  .tag-info {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
  }

  .tag-warm {
    background: rgba(255, 201, 51, 0.12);
    color: #e6b93d;
  }

  /* ===== 区块标题 ===== */
  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
  }

  .section-label::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
  }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.3;
    margin-bottom: 16px;
    padding-left: 16px;
    border-left: 4px solid var(--accent);
  }

  @media (max-width: 768px) {
    .section-title {
      font-size: 26px;
      padding-left: 12px;
    }
  }

  .section-sub {
    font-size: 15px;
    color: var(--text-body);
    max-width: 560px;
  }

  /* ===== 网格纹理背景 ===== */
  .grid-pattern {
    background-image:
      linear-gradient(rgba(0, 230, 156, 0.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0, 230, 156, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
  }

  /* ===== 页面主体 ===== */
  .page-main {
    padding-top: 72px;
  }

  /* ===== 分类横幅 ===== */
  .category-banner {
    padding: 80px 0 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
  }

  .category-banner .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .category-banner h1 {
    font-size: 34px;
    font-weight: 800;
    color: var(--text-title);
    margin: 16px 0 12px;
    line-height: 1.3;
  }

  .category-banner .banner-desc {
    font-size: 15px;
    color: var(--text-body);
    max-width: 640px;
  }

  /* ===== 步骤交错 ===== */
  .step-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  }

  @media (min-width: 1024px) {
    .step-row {
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      padding: 64px 0;
    }
  }

  .step-row:last-child {
    border-bottom: none;
  }

  .step-image {
    border-radius: 20px;
    overflow: hidden;
    height: 240px;
    background: linear-gradient(135deg, #13264A, #0B1526);
  }

  .step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .step-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .step-number {
    font-size: 56px;
    font-weight: 800;
    color: rgba(0, 230, 156, 0.35);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    margin-bottom: 8px;
    user-select: none;
  }

  .step-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 10px;
  }

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

  .step-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--accent);
    transition: gap 0.2s ease;
  }

  .step-link:hover {
    gap: 10px;
  }

  /* ===== 功能入口卡 ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  @media (min-width: 768px) {
    .feature-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
  }

  .feature-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s ease;
  }

  .feature-card:hover {
    border-color: rgba(0, 230, 156, 0.35);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
  }

  .feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent);
  }

  .feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.7;
  }

  /* ===== FAQ ===== */
  .faq-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.3s;
  }

  .faq-item.open {
    border-color: rgba(0, 230, 156, 0.25);
  }

  .faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    min-height: 56px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-title);
    transition: background 0.2s;
  }

  .faq-question:hover {
    background: rgba(255, 255, 255, 0.03);
  }

  .faq-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(0, 230, 156, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
  }

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

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-body);
  }

  .faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 20px;
  }

  /* ===== CTA ===== */
  .cta-section {
    padding: 80px 0;
  }

  .cta-banner {
    background:
      linear-gradient(rgba(6, 12, 24, 0.85), rgba(6, 12, 24, 0.9)),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border: 1px solid rgba(0, 230, 156, 0.3);
    border-radius: 24px;
    padding: 64px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
  }

  .cta-banner h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 12px;
  }

  .cta-banner p {
    font-size: 15px;
    color: var(--text-body);
    margin-bottom: 32px;
  }

  .cta-disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 20px;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #060C18;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 64px 0 32px;
  }

  .footer-col-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 16px;
  }

  .footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    font-size: 13px;
    color: var(--text-muted);
    transition: color 0.2s;
  }

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

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .nav-links {
      display: none;
    }

    .hamburger {
      display: flex;
    }

    .category-banner {
      padding: 60px 0 44px;
    }

    .category-banner h1 {
      font-size: 28px;
    }
  }

  @media (max-width: 768px) {
    .cta-banner {
      padding: 44px 20px;
    }

    .cta-banner h2 {
      font-size: 26px;
    }

    .step-content h3 {
      font-size: 20px;
    }

    .step-number {
      font-size: 44px;
    }

    .btn-primary,
    .btn-secondary {
      width: 100%;
    }

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

  @media (max-width: 520px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .category-banner h1 {
      font-size: 24px;
    }

    .section-title {
      font-size: 22px;
    }

    .step-row {
      padding: 32px 0;
    }
  }

  /* 焦点可见性 */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

/* roulang page: category3 */
:root {
            --bg-primary: #0B1526;
            --bg-secondary: #0F1C33;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --accent: #00E69C;
            --accent-warm: #FFC933;
            --text-title: #F3F7FF;
            --text-body: #9AAECB;
            --text-muted: #64748B;
            --error: #FF5D6C;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .3s ease;
        }

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

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

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            height: 72px;
            background: rgba(11, 21, 38, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

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

        .logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 230, 156, 0.2), rgba(0, 230, 156, 0.05));
            border: 1px solid rgba(0, 230, 156, 0.4);
            border-radius: 10px;
            font-weight: 800;
            font-size: 12px;
            letter-spacing: 1px;
            color: var(--accent);
            box-shadow: 0 0 18px rgba(0, 230, 156, 0.2);
        }

        .logo-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-title);
            white-space: nowrap;
        }

        .logo-text em {
            font-style: normal;
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-item {
            position: relative;
            font-size: 15px;
            color: var(--text-body);
            padding: 8px 14px;
            border-radius: 999px;
            transition: all .25s ease;
        }

        .nav-item::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 0;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(0, 230, 156, 0.6);
            transition: width .3s ease;
        }

        .nav-item:hover {
            color: #fff;
        }

        .nav-item:hover::after {
            width: 20px;
        }

        .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-item.active::after {
            width: 20px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            align-items: center;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-title);
            transition: all .3s ease;
        }

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

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 998;
            background: rgba(11, 21, 38, 0.97);
            backdrop-filter: blur(30px);
            padding: 100px 24px 40px;
            flex-direction: column;
            gap: 8px;
            opacity: 0;
            pointer-events: none;
            transition: opacity .35s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
            display: flex;
        }

        .mobile-menu-link {
            display: block;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-body);
            padding: 16px 20px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all .3s ease;
        }

        .mobile-menu-link:hover,
        .mobile-menu-link.active {
            color: var(--accent);
            background: rgba(0, 230, 156, 0.08);
            border-color: rgba(0, 230, 156, 0.25);
        }

        @media (max-width: 900px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ========== 帮助中心 Banner ========== */
        .help-banner {
            padding: 72px 0 32px;
        }

        .help-banner-line {
            width: 44px;
            height: 4px;
            background: var(--accent);
            border-radius: 8px;
            box-shadow: 0 0 18px rgba(0, 230, 156, 0.5);
            margin-bottom: 16px;
        }

        .help-banner h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            letter-spacing: 1px;
        }

        .help-banner p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ========== 主体区 ========== */
        .help-main {
            padding: 36px 0 80px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 24px;
            transition: all .35s ease;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        }

        .glass-card:hover {
            border-color: rgba(0, 230, 156, 0.35);
            transform: translateY(-2px);
        }

        /* 左侧分类 */
        .help-sidebar {
            position: sticky;
            top: 96px;
            align-self: start;
        }

        .help-sidebar-slot {
            padding: 24px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .help-sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
            padding-left: 12px;
            border-left: 3px solid var(--accent);
        }

        .help-cat-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .help-cat-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            padding: 12px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all .3s ease;
        }

        .help-cat-item i {
            font-size: 12px;
            transition: transform .3s ease;
        }

        .help-cat-item:hover {
            color: #fff;
            border-color: rgba(0, 230, 156, 0.3);
        }

        .help-cat-item.active {
            color: #06281C;
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 0 24px rgba(0, 230, 156, 0.3);
        }

        .help-cat-item.active i {
            transform: translateX(3px);
        }

        .help-sidebar-img {
            margin-top: 20px;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .help-sidebar-img img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .help-sidebar-img:hover img {
            transform: scale(1.05);
        }

        /* 右侧内容 */
        .help-faq-card {
            display: none;
            margin-bottom: 24px;
            padding: 32px 28px;
        }

        .help-faq-card.active {
            display: block;
            animation: fadeCard .45s ease;
        }

        @keyframes fadeCard {
            from {
                opacity: 0;
                transform: translateY(14px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .help-faq-card-head {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 26px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .help-faq-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(0, 230, 156, 0.12);
            color: var(--accent);
            font-size: 20px;
        }

        .help-faq-card-head h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
        }

        .help-faq-card-head p {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all .3s ease;
        }

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

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            width: 100%;
            min-height: 56px;
            padding: 14px 4px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            text-align: left;
            transition: color .3s ease;
        }

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

        .faq-q .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(0, 230, 156, 0.1);
            color: var(--accent);
            font-size: 12px;
            transition: all .3s ease;
        }

        .faq-item.open .faq-q .faq-icon {
            background: var(--accent);
            color: #06281C;
            transform: rotate(45deg);
        }

        .faq-a {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .4s ease;
        }

        .faq-a-inner {
            overflow: hidden;
        }

        .faq-a-inner p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            padding: 2px 4px 20px;
        }

        .faq-item.open .faq-a {
            grid-template-rows: 1fr;
        }

        /* CTA区 */
        .help-cta-section {
            padding: 50px 0 90px;
        }

        .help-cta-card {
            position: relative;
            border-radius: 28px;
            background: linear-gradient(135deg, rgba(15, 28, 51, 0.9), rgba(11, 21, 38, 0.95));
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid rgba(0, 230, 156, 0.25);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
            padding: 64px 24px;
            text-align: center;
            overflow: hidden;
        }

        .help-cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 12, 24, 0.82);
        }

        .help-cta-card>* {
            position: relative;
            z-index: 1;
        }

        .help-cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .help-cta-card p {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 30px;
        }

        /* 按钮体系 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            border-radius: 10px;
            padding: 14px 32px;
            transition: all .3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--accent);
            color: #06281C;
            box-shadow: 0 0 24px rgba(0, 230, 156, 0.35);
        }

        .btn-primary:hover {
            background: #1df0ad;
            box-shadow: 0 0 36px rgba(0, 230, 156, 0.5);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-secondary:hover {
            border-color: rgba(0, 230, 156, 0.6);
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #060C18;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 30px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .help-main {
                padding-top: 24px;
            }
            .help-sidebar {
                position: static;
                margin-bottom: 24px;
            }
            .help-cat-nav {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .help-cat-item {
                flex: 1 1 auto;
                min-width: 140px;
                justify-content: center;
                gap: 8px;
            }
            .help-cat-item i {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .help-banner {
                padding-top: 48px;
            }
            .help-banner h1 {
                font-size: 26px;
            }
            .help-faq-card {
                padding: 22px 16px;
            }
            .help-faq-card-head {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
            }
            .help-cta-card h2 {
                font-size: 24px;
            }
        }