/* roulang page: index */
:root {
      --ink: #242329;
      --muted: #706b73;
      --purple: #351b46;
      --purple-2: #4d2c5e;
      --lime: #b7d63d;
      --lime-dark: #8cae18;
      --coral: #f06a4f;
      --paper: #f4f1ea;
      --white: #fffdf9;
      --line: #ddd8d0;
      --soft: #ebe6de;
      --shadow: 0 14px 34px rgba(48,38,52,.09);
      --radius: 14px;
      --max: 1200px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(183,214,61,.8); outline-offset: 3px; }

    .container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
    .notice {
      background: var(--purple);
      color: #fff;
      font-size: 13px;
      min-height: 38px;
      display: flex;
      align-items: center;
    }
    .notice-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .notice strong { color: var(--lime); font-weight: 700; }
    .notice-close {
      border: 0;
      background: transparent;
      color: #fff;
      opacity: .8;
      font-size: 20px;
      line-height: 1;
      padding: 3px 7px;
    }
    .site-header {
      background: rgba(244,241,234,.96);
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(12px);
    }
    .nav-wrap { min-height: 82px; display: flex; align-items: center; gap: 30px; }
    .brand { display: flex; align-items: center; gap: 12px; min-width: 280px; }
    .brand-mark {
      width: 43px; height: 43px; border-radius: 11px;
      background: var(--purple); color: var(--lime);
      display: grid; place-items: center; font-size: 20px; font-weight: 800;
    }
    .brand-text { line-height: 1.25; }
    .brand-text b { display: block; color: var(--purple); font-size: 17px; }
    .brand-text span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
    .nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav a {
      position: relative; padding: 10px 12px; color: var(--muted);
      font-size: 14px; white-space: nowrap; transition: color .2s ease;
    }
    .nav a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
      height: 3px; border-radius: 2px; background: transparent; transition: background .2s ease;
    }
    .nav a:hover, .nav a.active { color: var(--purple); }
    .nav a.active::after, .nav a:hover::after { background: var(--lime); }
    .nav-download, .btn-primary {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      border: 0; border-radius: 9px; background: var(--lime); color: var(--purple);
      font-weight: 800; padding: 12px 18px; transition: transform .2s, background .2s, box-shadow .2s;
    }
    .nav-download:hover, .btn-primary:hover { background: #c8e65a; transform: translateY(-2px); box-shadow: 0 8px 16px rgba(99,120,20,.2); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--purple); border-radius: 8px; padding: 8px 11px; }

    .hero {
      min-height: 680px; display: flex; align-items: center; overflow: hidden;
      background: var(--paper); border-bottom: 1px solid var(--line);
    }
    .hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 72px; align-items: center; padding: 78px 0 86px; }
    .eyebrow, .section-kicker {
      display: inline-flex; align-items: center; gap: 8px; color: var(--coral);
      text-transform: none; font-size: 13px; font-weight: 800; letter-spacing: 0;
    }
    .eyebrow::before, .section-kicker::before { content: ""; width: 24px; height: 3px; background: var(--coral); border-radius: 2px; }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      color: var(--purple); font-size: clamp(40px, 5vw, 61px); line-height: 1.16;
      letter-spacing: 0; margin: 20px 0 22px; max-width: 690px;
    }
    h1 em { color: var(--coral); font-style: normal; }
    .hero-copy { color: var(--muted); font-size: 17px; max-width: 590px; line-height: 1.9; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 27px; }
    .btn-secondary {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 11px 18px; border: 1px solid var(--purple); border-radius: 9px; color: var(--purple);
      font-weight: 700; transition: all .2s;
    }
    .btn-secondary:hover { background: var(--purple); color: #fff; transform: translateY(-2px); }
    .hero-note { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 10px; }
    .hero-note::before { content: "✓"; display: grid; place-items: center; width: 21px; height: 21px; border-radius: 50%; background: var(--lime); color: var(--purple); font-weight: 800; }

    .interface-stage { position: relative; min-height: 430px; display: grid; place-items: center; }
    .interface-stage::before {
      content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%;
      background: var(--soft); border: 1px solid var(--line);
    }
    .dashboard {
      width: min(100%, 440px); position: relative; background: var(--white);
      border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden;
      transform: rotate(2deg);
    }
    .dashboard-top { background: var(--purple); color: #fff; padding: 22px 24px 25px; }
    .dashboard-top small { color: var(--lime); font-weight: 700; }
    .dashboard-top h3 { margin: 9px 0 0; font-size: 24px; line-height: 1.35; }
    .dashboard-body { padding: 20px; }
    .dash-label { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
    .dash-feature { background: #f0ece5; border-left: 4px solid var(--coral); padding: 13px 15px; margin-bottom: 16px; }
    .dash-feature b { display: block; color: var(--purple); font-size: 15px; }
    .dash-feature span { font-size: 12px; color: var(--muted); }
    .dash-list { display: grid; gap: 11px; }
    .dash-row { display: flex; align-items: center; gap: 11px; padding-bottom: 11px; border-bottom: 1px solid var(--line); }
    .dash-num { color: var(--coral); font-weight: 800; font-size: 13px; }
    .dash-row p { margin: 0; font-size: 13px; line-height: 1.45; }
    .dash-row span { display: block; color: var(--muted); font-size: 11px; }
    .floating-tag { position: absolute; background: var(--lime); color: var(--purple); font-size: 12px; font-weight: 800; padding: 8px 12px; border-radius: 7px; box-shadow: 0 7px 15px rgba(48,38,52,.12); }
    .tag-one { top: 42px; right: 0; }
    .tag-two { bottom: 42px; left: 0; background: var(--coral); color: #fff; }

    .section { padding: 96px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 36px; }
    .section-head h2 { color: var(--purple); font-size: 34px; line-height: 1.25; margin: 10px 0 0; }
    .section-head p { max-width: 470px; margin: 0; color: var(--muted); font-size: 14px; }
    .news-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; }
    .featured-news {
      min-height: 330px; background: var(--purple); color: #fff; border-radius: var(--radius); padding: 32px;
      display: flex; flex-direction: column; justify-content: end; position: relative; overflow: hidden;
    }
    .featured-news::after { content: "01"; position: absolute; right: 26px; top: 16px; color: rgba(255,255,255,.12); font-size: 100px; font-weight: 900; line-height: 1; }
    .news-meta { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
    .featured-news .news-meta { color: #d8cce0; position: relative; z-index: 1; }
    .badge { display: inline-flex; align-items: center; padding: 4px 9px; border-radius: 5px; background: var(--coral); color: #fff; font-size: 11px; font-weight: 700; }
    .featured-news h3 { position: relative; z-index: 1; font-size: 26px; line-height: 1.4; max-width: 470px; margin: 15px 0 10px; }
    .featured-news p { position: relative; z-index: 1; color: #d8cce0; font-size: 14px; margin-bottom: 21px; max-width: 500px; }
    .text-link { color: var(--lime); font-size: 14px; font-weight: 800; }
    .text-link:hover { color: #d7f179; }
    .news-feed { display: grid; border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 54px 1fr auto; gap: 15px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); transition: padding .2s, background .2s; }
    .news-item:hover { padding-left: 8px; background: rgba(255,253,249,.5); }
    .news-index { color: var(--coral); font-size: 18px; font-weight: 800; }
    .news-item h3 { color: var(--purple); font-size: 16px; line-height: 1.45; margin: 0 0 4px; }
    .news-item p { color: var(--muted); font-size: 12px; margin: 0; }
    .arrow { color: var(--purple); font-size: 21px; transition: transform .2s; }
    .news-item:hover .arrow { transform: translateX(4px); }

    .index-section { background: #e9e4dc; }
    .category-strip { display: flex; flex-wrap: wrap; gap: 12px; }
    .category-link {
      flex: 1 1 30%; min-height: 142px; background: var(--white); border: 1px solid var(--line); border-radius: 12px;
      padding: 22px 23px; position: relative; transition: transform .2s, border-color .2s, box-shadow .2s;
    }
    .category-link:hover { transform: translateY(-4px); border-color: var(--purple); box-shadow: var(--shadow); }
    .category-link:nth-child(2), .category-link:nth-child(5) { background: var(--purple); color: #fff; }
    .category-link:nth-child(2) h3, .category-link:nth-child(5) h3 { color: #fff; }
    .category-link h3 { color: var(--purple); font-size: 20px; margin: 0 0 7px; }
    .category-link p { color: var(--muted); font-size: 13px; margin: 0; max-width: 230px; line-height: 1.6; }
    .category-link:nth-child(2) p, .category-link:nth-child(5) p { color: #d8cce0; }
    .category-link b { position: absolute; right: 19px; bottom: 15px; color: var(--coral); font-size: 22px; }
    .category-link small { color: var(--muted); font-size: 11px; }
    .category-link:nth-child(2) small, .category-link:nth-child(5) small { color: #d8cce0; }

    .download-section { padding: 96px 0; }
    .download-panel { background: var(--purple); color: #fff; border-radius: 20px; padding: 48px; display: grid; grid-template-columns: 1fr .9fr; gap: 50px; align-items: center; overflow: hidden; }
    .download-panel h2 { font-size: 35px; line-height: 1.3; margin: 12px 0 15px; }
    .download-panel p { color: #d8cce0; max-width: 530px; }
    .download-panel .section-kicker { color: var(--lime); }
    .download-panel .section-kicker::before { background: var(--lime); }
    .download-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 25px; }
    .download-details { display: flex; gap: 24px; flex-wrap: wrap; color: #d8cce0; font-size: 12px; margin-top: 20px; }
    .download-details b { color: #fff; display: block; font-size: 14px; }
    .device-board { background: #f5f1e9; color: var(--purple); border-radius: 15px; padding: 24px; transform: rotate(-2deg); }
    .device-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 15px; }
    .device-head b { font-size: 18px; }
    .version-label { background: var(--lime); border-radius: 5px; padding: 4px 8px; font-size: 11px; font-weight: 800; }
    .device-line { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
    .device-line span { color: var(--muted); }
    .qr { width: 74px; height: 74px; margin-top: 20px; border: 7px solid #fff; background: repeating-linear-gradient(45deg, var(--purple) 0 4px, #fff 4px 8px); }

    .guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
    .guide-grid h2 { color: var(--purple); font-size: 32px; line-height: 1.3; margin: 10px 0 16px; }
    .guide-grid > div > p { color: var(--muted); }
    .steps { display: grid; gap: 0; margin-top: 26px; }
    .step { display: grid; grid-template-columns: 38px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
    .step-num { width: 30px; height: 30px; border-radius: 50%; background: var(--lime); color: var(--purple); display: grid; place-items: center; font-weight: 800; }
    .step h3 { color: var(--purple); font-size: 17px; margin: 0 0 3px; }
    .step p { color: var(--muted); font-size: 13px; margin: 0; }
    .tip-box { background: #e9e4dc; border-left: 4px solid var(--coral); padding: 25px; border-radius: 0 12px 12px 0; }
    .tip-box h3 { color: var(--purple); margin: 0 0 12px; font-size: 20px; }
    .tip-box ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
    .tip-box li + li { margin-top: 9px; }

    .faq-section { background: #e9e4dc; }
    .faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
    .faq-layout h2 { color: var(--purple); font-size: 32px; line-height: 1.3; margin: 10px 0 14px; }
    .faq-layout > div > p { color: var(--muted); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); padding: 4px 0; }
    summary { list-style: none; cursor: pointer; padding: 16px 0; display: flex; justify-content: space-between; gap: 20px; color: var(--purple); font-weight: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; color: var(--coral); font-size: 22px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { color: var(--muted); font-size: 14px; padding: 0 35px 15px 0; margin: 0; }

    .cta { padding: 80px 0; }
    .cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; background: var(--coral); color: #fff; border-radius: 14px; padding: 35px 42px; }
    .cta-inner h2 { font-size: 27px; margin: 0 0 5px; }
    .cta-inner p { margin: 0; color: #fff2ed; font-size: 14px; }
    .cta-inner .btn-primary { background: var(--lime); }

    .site-footer { background: var(--purple); color: #fff; padding: 55px 0 25px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 55px; padding-bottom: 42px; }
    .footer-brand { font-size: 19px; font-weight: 800; line-height: 1.45; max-width: 330px; }
    .footer-brand span { display: block; color: #d8cce0; font-size: 12px; font-weight: 400; margin-top: 12px; line-height: 1.8; }
    .footer-col h3 { color: var(--lime); font-size: 14px; margin: 0 0 14px; }
    .footer-col a { display: block; color: #e2dbe5; font-size: 13px; padding: 3px 0; }
    .footer-col a:hover { color: var(--lime); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,.16); padding-top: 19px; color: #c7bacd; font-size: 11px; display: flex; justify-content: space-between; gap: 20px; }

    @media (max-width: 1024px) {
      .nav-wrap { gap: 15px; }
      .brand { min-width: 245px; }
      .nav a { padding-left: 7px; padding-right: 7px; }
      .nav a::after { left: 7px; right: 7px; }
      .hero-grid { gap: 35px; }
      .download-panel { gap: 28px; padding: 36px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 34px, var(--max)); }
      .notice-inner { min-height: 38px; }
      .nav-wrap { min-height: 70px; justify-content: space-between; }
      .brand { min-width: 0; }
      .brand-text b { font-size: 14px; }
      .brand-text span { font-size: 10px; }
      .menu-toggle { display: block; }
      .nav {
        display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--paper);
        padding: 12px 17px 18px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
        flex-direction: column; align-items: stretch;
      }
      .nav.open { display: flex; }
      .nav a { padding: 12px 4px; }
      .nav-download { margin-top: 8px; }
      .hero { min-height: auto; }
      .hero-grid, .news-layout, .download-panel, .guide-grid, .faq-layout { grid-template-columns: 1fr; }
      .hero-grid { padding: 64px 0 70px; gap: 34px; }
      h1 { font-size: 39px; }
      .interface-stage { min-height: 370px; }
      .section, .download-section { padding: 70px 0; }
      .section-head { display: block; }
      .section-head p { margin-top: 12px; }
      .category-link { flex-basis: 47%; }
      .download-panel { padding: 30px 23px; }
      .device-board { max-width: 430px; width: 100%; }
      .faq-layout { gap: 30px; }
      .cta-inner { display: block; padding: 29px 25px; }
      .cta-inner .btn-primary { margin-top: 20px; width: 100%; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 7px; }
    }
    @media (max-width: 520px) {
      .notice { font-size: 12px; }
      .notice-inner { align-items: flex-start; padding: 7px 0; }
      .brand-mark { width: 37px; height: 37px; font-size: 17px; }
      h1 { font-size: 33px; }
      .hero-copy { font-size: 15px; }
      .hero-actions { display: grid; }
      .hero-actions a { width: 100%; }
      .interface-stage { min-height: 315px; }
      .interface-stage::before { width: 270px; height: 270px; }
      .dashboard { transform: none; }
      .floating-tag { font-size: 10px; padding: 6px 8px; }
      .tag-one { top: 18px; right: -2px; }
      .tag-two { bottom: 18px; left: -2px; }
      .section-head h2, .guide-grid h2, .faq-layout h2 { font-size: 28px; }
      .featured-news { min-height: 300px; padding: 25px; }
      .featured-news h3 { font-size: 22px; }
      .news-item { grid-template-columns: 35px 1fr auto; gap: 9px; }
      .category-link { flex-basis: 100%; min-height: 125px; }
      .download-panel h2 { font-size: 28px; }
      .download-actions { display: grid; }
      .download-actions a { width: 100%; }
      .footer-grid { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
      --ink: #242329;
      --muted: #706b73;
      --purple: #351b46;
      --purple-2: #4d2c5e;
      --lime: #b7d63d;
      --lime-dark: #8cae18;
      --coral: #f06a4f;
      --paper: #f4f1ea;
      --white: #fffdf9;
      --line: #ddd8d0;
      --soft: #ebe6de;
      --shadow: 0 14px 34px rgba(48,38,52,.09);
      --radius: 14px;
      --max: 1200px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
    .site-header {
      background: rgba(244,241,234,.96);
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(12px);
    }
    .nav-wrap { min-height: 82px; display: flex; align-items: center; gap: 30px; }
    .brand { display: flex; align-items: center; gap: 12px; min-width: 280px; }
    .brand-mark {
      width: 43px; height: 43px; border-radius: 11px;
      background: var(--purple); color: var(--lime);
      display: grid; place-items: center; font-size: 20px; font-weight: 800;
    }
    .brand-text { line-height: 1.25; }
    .brand-text b { display: block; color: var(--purple); font-size: 17px; }
    .brand-text span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
    .nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav a {
      position: relative; padding: 10px 12px; color: var(--muted);
      font-size: 14px; white-space: nowrap; transition: color .2s ease;
    }
    .nav a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
      height: 3px; border-radius: 2px; background: transparent; transition: background .2s ease;
    }
    .nav a:hover, .nav a.active { color: var(--purple); }
    .nav a.active::after, .nav a:hover::after { background: var(--lime); }
    .nav-download, .btn-primary {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      border: 0; border-radius: 9px; background: var(--lime); color: var(--purple);
      font-weight: 800; padding: 12px 18px; transition: transform .2s, background .2s, box-shadow .2s;
    }
    .nav-download:hover, .btn-primary:hover {
      background: #c8e65a; transform: translateY(-2px);
      box-shadow: 0 8px 16px rgba(99,120,20,.2);
    }
    .menu-toggle {
      display: none; border: 1px solid var(--line); background: var(--white);
      color: var(--purple); border-radius: 8px; padding: 8px 11px;
    }
    .page-hero {
      padding: 58px 0 54px;
      background: var(--purple);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .page-hero::after {
      content: "NEWS";
      position: absolute; right: 4%; bottom: -28px;
      color: rgba(255,255,255,.07); font-size: 150px; font-weight: 900;
      line-height: 1; letter-spacing: 2px;
    }
    .breadcrumb {
      display: flex; gap: 10px; align-items: center; color: #d8cce0;
      font-size: 13px; margin-bottom: 24px; position: relative; z-index: 1;
    }
    .breadcrumb a:hover { color: var(--lime); }
    .page-hero h1 {
      max-width: 760px; margin: 0 0 16px; position: relative; z-index: 1;
      font-size: clamp(36px, 5vw, 56px); line-height: 1.2; letter-spacing: 0;
    }
    .page-hero p {
      max-width: 670px; color: #e5dce9; font-size: 17px;
      margin: 0; position: relative; z-index: 1;
    }
    .section { padding: 82px 0; }
    .section-head {
      display: flex; align-items: end; justify-content: space-between;
      gap: 28px; margin-bottom: 34px;
    }
    .section-kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--coral); font-size: 13px; font-weight: 800;
    }
    .section-kicker::before {
      content: ""; width: 24px; height: 3px;
      background: var(--coral); border-radius: 2px;
    }
    .section-head h2 { color: var(--purple); font-size: 34px; line-height: 1.25; margin: 10px 0 0; }
    .section-head p { max-width: 470px; margin: 0; color: var(--muted); font-size: 14px; }
    .topic-bar {
      display: flex; gap: 10px; overflow-x: auto; padding: 4px 0 17px;
      scrollbar-width: thin; margin-bottom: 42px;
    }
    .topic-bar a {
      flex: 0 0 auto; padding: 9px 16px; border: 1px solid var(--line);
      border-radius: 8px; color: var(--muted); background: var(--white);
      font-size: 14px; transition: .2s ease;
    }
    .topic-bar a:hover, .topic-bar a.active {
      color: var(--purple); background: var(--lime); border-color: var(--lime);
      transform: translateY(-2px);
    }
    .news-layout {
      display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
      gap: 26px; align-items: stretch;
    }
    .featured-news {
      min-height: 368px; background: var(--purple); color: #fff;
      border-radius: var(--radius); padding: 34px;
      display: flex; flex-direction: column; justify-content: end;
      position: relative; overflow: hidden; box-shadow: var(--shadow);
    }
    .featured-news::before {
      content: "01"; position: absolute; right: 28px; top: 15px;
      color: rgba(255,255,255,.13); font-size: 112px; font-weight: 900; line-height: 1;
    }
    .news-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 12px; }
    .featured-news .news-meta { color: #d8cce0; position: relative; z-index: 1; }
    .badge {
      display: inline-flex; align-items: center; padding: 4px 9px;
      border-radius: 5px; background: var(--coral); color: #fff;
      font-size: 11px; font-weight: 700;
    }
    .featured-news h3 {
      position: relative; z-index: 1; font-size: 27px;
      line-height: 1.4; margin: 17px 0 10px;
    }
    .featured-news p {
      position: relative; z-index: 1; color: #e5dce9;
      font-size: 14px; max-width: 580px; margin: 0 0 22px;
    }
    .text-link {
      color: var(--lime); font-weight: 800; font-size: 14px;
      display: inline-flex; gap: 8px; align-items: center;
      position: relative; z-index: 1;
    }
    .text-link:hover { color: #d8f36b; }
    .news-list { display: grid; gap: 12px; }
    .news-item {
      display: grid; grid-template-columns: 74px 1fr 24px; gap: 15px;
      align-items: center; padding: 20px 18px; background: var(--white);
      border: 1px solid var(--line); border-radius: 12px;
      transition: transform .2s, border-color .2s, box-shadow .2s;
    }
    .news-item:hover { transform: translateY(-3px); border-color: var(--lime-dark); box-shadow: var(--shadow); }
    .news-date { color: var(--purple); font-weight: 800; font-size: 13px; line-height: 1.35; }
    .news-date span { display: block; color: var(--muted); font-size: 11px; font-weight: 500; }
    .news-item h3 { margin: 0 0 3px; color: var(--purple); font-size: 16px; line-height: 1.45; }
    .news-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
    .arrow { color: var(--coral); font-size: 20px; transition: transform .2s; }
    .news-item:hover .arrow { transform: translateX(4px); }
    .timeline { position: relative; margin-top: 12px; }
    .timeline::before {
      content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px;
      width: 1px; background: var(--line);
      border-radius: 1px;
    }
    .timeline-item {
      display: grid; grid-template-columns: 40px 1fr;
      gap: 18px; position: relative; padding-bottom: 28px;
    }
    .timeline-dot {
      width: 40px; height: 40px; border-radius: 50%;
      display: grid; place-items: center; background: var(--lime);
      color: var(--purple); font-size: 13px; font-weight: 900;
      border: 5px solid var(--paper); position: relative; z-index: 1;
    }
    .timeline-content {
      padding: 0 0 20px; border-bottom: 1px solid var(--line);
    }
    .timeline-item:last-child .timeline-content { border-bottom: 0; }
    .timeline-content h3 { margin: 0 0 5px; color: var(--purple); font-size: 19px; line-height: 1.45; }
    .timeline-content p { margin: 0; color: var(--muted); font-size: 14px; }
    .timeline-content .news-meta { margin-bottom: 8px; }
    .download-banner {
      margin-top: 40px; padding: 30px 34px; border-radius: 18px;
      background: var(--purple); color: #fff; display: flex;
      align-items: center; justify-content: space-between; gap: 25px;
      box-shadow: var(--shadow);
    }
    .download-banner h2 { margin: 0 0 5px; font-size: 25px; line-height: 1.35; }
    .download-banner p { margin: 0; color: #d8cce0; font-size: 14px; }
    .download-banner .btn-primary { flex: 0 0 auto; }
    .info-strip {
      padding: 42px 0; background: var(--soft);
      border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    }
    .info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .info-block {
      padding: 22px; background: var(--white); border: 1px solid var(--line);
      border-radius: 12px;
    }
    .info-block strong { display: block; color: var(--purple); font-size: 16px; margin-bottom: 6px; }
    .info-block span { color: var(--muted); font-size: 13px; line-height: 1.7; }
    .faq-section { background: var(--white); }
    .faq-list { max-width: 850px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      width: 100%; border: 0; background: none; padding: 21px 4px;
      display: flex; align-items: center; justify-content: space-between;
      gap: 20px; color: var(--purple); text-align: left; font-weight: 800;
    }
    .faq-question:hover { color: var(--coral); }
    .faq-icon { color: var(--coral); font-size: 24px; font-weight: 400; }
    .faq-answer { display: none; padding: 0 42px 21px 4px; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .site-footer { background: var(--purple); color: #fff; padding: 58px 0 24px; }
    .footer-grid {
      display: grid; grid-template-columns: 1.5fr 1fr 1fr;
      gap: 50px; padding-bottom: 42px;
    }
    .footer-brand { color: var(--lime); font-size: 20px; font-weight: 800; line-height: 1.5; }
    .footer-brand span {
      display: block; max-width: 350px; margin-top: 14px;
      color: #d8cce0; font-size: 13px; font-weight: 400; line-height: 1.8;
    }
    .footer-col { display: flex; flex-direction: column; gap: 8px; }
    .footer-col h3 { margin: 0 0 8px; color: #fff; font-size: 15px; }
    .footer-col a { color: #d8cce0; font-size: 13px; transition: color .2s; }
    .footer-col a:hover { color: var(--lime); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.16); padding-top: 18px;
      display: flex; justify-content: space-between; gap: 20px;
      color: #bcaec4; font-size: 12px;
    }
    a:focus-visible, button:focus-visible {
      outline: 3px solid rgba(183,214,61,.7); outline-offset: 3px;
    }
    @media (max-width: 1100px) {
      .brand { min-width: 245px; }
      .nav-wrap { gap: 15px; }
      .nav a { padding-left: 8px; padding-right: 8px; }
      .nav a::after { left: 8px; right: 8px; }
    }
    @media (max-width: 900px) {
      .menu-toggle { display: block; margin-left: auto; }
      .nav {
        display: none; position: absolute; left: 24px; right: 24px; top: 76px;
        padding: 12px; background: var(--white); border: 1px solid var(--line);
        border-radius: 12px; box-shadow: var(--shadow); flex-direction: column;
        align-items: stretch; margin: 0;
      }
      .nav.open { display: flex; }
      .nav a { padding: 12px 14px; }
      .nav a::after { left: 14px; right: auto; width: 24px; }
      .nav-download { margin-top: 5px; }
      .news-layout { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; gap: 25px; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--max), calc(100% - 32px)); }
      .page-hero { padding: 42px 0 45px; }
      .page-hero h1 { font-size: 38px; }
      .section { padding: 62px 0; }
      .section-head { display: block; margin-bottom: 25px; }
      .section-head h2 { font-size: 29px; }
      .section-head p { margin-top: 12px; }
      .info-grid { grid-template-columns: 1fr; }
      .download-banner { display: block; padding: 27px; }
      .download-banner .btn-primary { width: 100%; margin-top: 20px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 7px; }
    }
    @media (max-width: 520px) {
      .brand { min-width: 0; gap: 9px; }
      .brand-mark { width: 38px; height: 38px; font-size: 18px; }
      .brand-text b { font-size: 14px; }
      .brand-text span { font-size: 10px; }
      .page-hero h1 { font-size: 32px; }
      .page-hero p { font-size: 15px; }
      .featured-news { min-height: 345px; padding: 25px; }
      .featured-news h3 { font-size: 23px; }
      .news-item { grid-template-columns: 1fr 22px; gap: 8px; padding: 17px; }
      .news-date { grid-column: 1 / -1; }
      .news-item p { margin-top: 4px; }
      .timeline-item { gap: 12px; }
      .timeline-dot { width: 34px; height: 34px; font-size: 11px; }
      .timeline::before { left: 16px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-brand { grid-column: auto; }
    }

/* roulang page: category2 */
:root{
 --ink:#242329;
 --muted:#706b73;
 --purple:#351b46;
 --purple-2:#4d2c5e;
 --lime:#b7d63d;
 --lime-dark:#8cae18;
 --coral:#f06a4f;
 --paper:#f4f1ea;
 --white:#fffdf9;
 --line:#ddd8d0;
 --soft:#ebe6de;
 --shadow:0 14px 34px rgba(48,38,52,.09);
 --radius:14px;
 --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--paper);color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{background:rgba(244,241,234,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{min-height:82px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;min-width:280px}
.brand-mark{width:43px;height:43px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-size:20px;font-weight:800}
.brand-text{line-height:1.25}
.brand-text b{display:block;color:var(--purple);font-size:17px}
.brand-text span{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{position:relative;padding:10px 12px;color:var(--muted);font-size:14px;white-space:nowrap;transition:color .2s ease}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;background:transparent;transition:background .2s ease}
.nav a:hover,.nav a.active{color:var(--purple)}
.nav a.active::after,.nav a:hover::after{background:var(--lime)}
.nav-download,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;background:var(--lime);color:var(--purple);font-weight:800;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s}
.nav-download:hover,.btn-primary:hover{background:#c8e65a;transform:translateY(-2px);box-shadow:0 8px 16px rgba(99,120,20,.2)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--purple);border-radius:8px;padding:8px 11px}
.page-hero{padding:72px 0 64px;border-bottom:1px solid var(--line);background:var(--paper)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb a:hover{color:var(--purple)}
.breadcrumb strong{color:var(--purple);font-weight:700}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800}
.eyebrow::before,.section-kicker::before{content:"";width:24px;height:3px;background:var(--coral);border-radius:2px}
.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:end}
.page-hero h1{max-width:720px;color:var(--purple);font-size:clamp(40px,5vw,58px);line-height:1.18;letter-spacing:0;margin:12px 0 20px;font-weight:800}
.page-hero h1 em{font-style:normal;color:var(--coral)}
.hero-copy{max-width:650px;color:var(--muted);font-size:17px;line-height:1.9;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border:1px solid var(--purple);border-radius:9px;color:var(--purple);font-weight:700;transition:all .2s}
.btn-secondary:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}
.hero-note{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:10px;margin-top:18px}
.hero-note::before{content:"✓";display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:var(--lime);color:var(--purple);font-weight:800}
.guide-board{background:var(--purple);border-radius:18px;padding:25px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.guide-board::before{content:"攻略索引";position:absolute;right:22px;top:14px;color:rgba(255,255,255,.12);font-size:46px;font-weight:800}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:17px;position:relative}
.board-top b{font-size:18px}
.board-status{font-size:12px;color:var(--purple);background:var(--lime);padding:3px 9px;border-radius:5px;font-weight:800}
.board-list{display:grid;gap:12px;margin-top:20px}
.board-item{display:grid;grid-template-columns:30px 1fr 35px;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.13)}
.board-num{width:28px;height:28px;border:1px solid rgba(255,255,255,.4);border-radius:7px;display:grid;place-items:center;color:var(--lime);font-size:12px;font-weight:800}
.board-item strong{display:block;font-size:14px;line-height:1.4}
.board-item span{display:block;color:#d8cce0;font-size:11px;margin-top:3px}
.board-arrow{color:var(--lime);font-size:20px;text-align:right}
.section{padding:88px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
.section-head h2{color:var(--purple);font-size:34px;line-height:1.25;margin:10px 0 0}
.section-head p{max-width:470px;margin:0;color:var(--muted);font-size:14px}
.filter-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:14px;background:var(--white);border:1px solid var(--line);border-radius:12px;margin-bottom:25px}
.filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:5px}
.filter-btn{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:7px;padding:7px 13px;font-size:13px;transition:all .2s}
.filter-btn:hover,.filter-btn.active{border-color:var(--purple);background:var(--purple);color:#fff}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:28px;align-items:start}
.guide-list{display:grid;gap:14px}
.guide-card{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:18px;align-items:center;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:12px;padding:21px 22px;transition:transform .2s,border-color .2s,box-shadow .2s}
.guide-card:hover{transform:translateY(-3px);border-color:var(--purple-2);box-shadow:var(--shadow)}
.guide-index{color:var(--purple);font-size:25px;font-weight:800;line-height:1}
.guide-meta{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;background:var(--coral);color:#fff;font-size:11px;font-weight:700}
.guide-card h3{margin:7px 0 5px;color:var(--purple);font-size:19px;line-height:1.4}
.guide-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.guide-arrow{width:39px;height:39px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--purple);font-size:20px;transition:all .2s}
.guide-card:hover .guide-arrow{background:var(--lime);border-color:var(--lime);transform:translateX(3px)}
.side-panel{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:24px}
.side-panel h3{color:var(--purple);font-size:20px;line-height:1.35;margin:0 0 16px}
.rank-list{list-style:none;padding:0;margin:0;display:grid;gap:0}
.rank-list li{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:0}
.rank-no{font-size:13px;color:var(--coral);font-weight:800}
.rank-list a{font-size:14px;line-height:1.55;color:var(--ink);transition:color .2s}
.rank-list a:hover{color:var(--purple)}
.rank-list span{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.progress-card{margin-top:22px;padding-top:21px;border-top:1px solid var(--line)}
.progress-card h4{font-size:15px;color:var(--purple);margin:0 0 12px}
.progress-row{margin:12px 0}
.progress-row div{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-bottom:5px}
.progress-line{height:6px;background:#d8d1c7;border-radius:5px;overflow:hidden}
.progress-line i{display:block;height:100%;background:var(--lime-dark);border-radius:5px}
.steps-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;align-items:start}
.steps-intro h2{font-size:34px;line-height:1.28;color:var(--purple);margin:10px 0 16px}
.steps-intro p{color:var(--muted);margin:0}
.step-list{display:grid;gap:0}
.step-item{display:grid;grid-template-columns:62px 1fr;gap:19px;padding:23px 0;border-bottom:1px solid var(--line)}
.step-item:last-child{border-bottom:0}
.step-number{width:48px;height:48px;border-radius:10px;background:var(--purple);color:var(--lime);font-weight:800;display:grid;place-items:center}
.step-item h3{font-size:19px;color:var(--purple);margin:0 0 5px}
.step-item p{font-size:14px;color:var(--muted);margin:0}
.download-strip{background:var(--purple);color:#fff;overflow:hidden;position:relative}
.download-strip::after{content:"APP";position:absolute;right:4%;bottom:-30px;font-weight:800;font-size:170px;line-height:1;color:rgba(255,255,255,.06)}
.download-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:35px;padding:46px 0}
.download-copy{max-width:690px}
.download-copy .section-kicker{color:var(--lime)}
.download-copy .section-kicker::before{background:var(--lime)}
.download-copy h2{font-size:31px;line-height:1.3;margin:10px 0;color:#fff}
.download-copy p{margin:0;color:#d8cce0;font-size:14px}
.download-strip .btn-primary{flex:0 0 auto}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.faq-intro h2{font-size:34px;color:var(--purple);line-height:1.25;margin:10px 0 15px}
.faq-intro p{margin:0;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:18px;align-items:center;border:0;background:transparent;color:var(--purple);font-size:16px;font-weight:800;text-align:left;padding:20px 0}
.faq-icon{width:27px;height:27px;flex:0 0 27px;border-radius:50%;background:var(--soft);color:var(--purple);display:grid;place-items:center;font-size:19px;line-height:1;transition:all .2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 20px 0}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-icon{background:var(--lime);transform:rotate(45deg)}
.site-footer{background:var(--purple);color:#fff;padding:63px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:55px}
.footer-brand{font-size:21px;font-weight:800;line-height:1.4}
.footer-brand span{display:block;color:#d8cce0;font-size:13px;line-height:1.8;font-weight:400;max-width:420px;margin-top:15px}
.footer-col h3{font-size:14px;color:var(--lime);margin:4px 0 14px}
.footer-col a{display:block;color:#e7dfe9;font-size:13px;padding:4px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{margin-top:42px;padding-top:19px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:20px;color:#d8cce0;font-size:12px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(183,214,61,.65);outline-offset:3px}
@media (max-width:1150px){
 .nav-wrap{gap:14px}.brand{min-width:240px}.nav a{padding:10px 8px;font-size:13px}.page-hero-grid{gap:40px}.guide-layout{grid-template-columns:minmax(0,1fr) 265px}
}
@media (max-width:920px){
 .menu-toggle{display:inline-flex;margin-left:auto}.nav{display:none;position:absolute;left:0;right:0;top:82px;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 24px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px 5px}.nav a::after{left:5px;right:auto;width:28px}.nav-download{margin-top:7px}.page-hero-grid,.guide-layout,.steps-grid,.faq-grid{grid-template-columns:1fr}.page-hero-grid{align-items:start}.guide-board{max-width:640px}.side-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}.progress-card{margin-top:0;padding-top:0;border-top:0;border-left:1px solid var(--line);padding-left:24px}.section{padding:70px 0}.footer-grid{gap:35px}
}
@media (max-width:680px){
 body{font-size:15px}.container{width:min(var(--max),calc(100% - 32px))}.nav-wrap{min-height:72px}.brand{min-width:0}.brand-mark{width:38px;height:38px;font-size:18px}.brand-text b{font-size:14px}.brand-text span{font-size:10px}.nav{top:72px;padding-left:16px;padding-right:16px}.page-hero{padding:48px 0}.page-hero h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}.guide-board{padding:20px}.section-head{display:block;margin-bottom:24px}.section-head h2,.steps-intro h2,.faq-intro h2{font-size:28px}.section-head p{margin-top:12px}.filter-bar{flex-wrap:nowrap;overflow:auto;padding:12px}.filter-label{flex:0 0 auto}.filter-btn{white-space:nowrap}.guide-card{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:18px 15px}.guide-arrow{display:none}.guide-card h3{font-size:17px}.guide-index{font-size:19px}.side-panel{display:block}.progress-card{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);border-left:0;padding-left:0}.steps-grid{gap:32px}.step-item{grid-template-columns:48px 1fr;gap:14px}.step-number{width:42px;height:42px}.download-inner{display:block;padding:39px 0}.download-copy h2{font-size:27px}.download-strip .btn-primary{margin-top:22px;width:100%}.faq-grid{gap:25px}.faq-question{font-size:15px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block;margin-top:32px}.footer-bottom span{display:block;margin-top:8px}
}

/* roulang page: category3 */
:root {
      --ink:#242329;
      --muted:#706b73;
      --purple:#351b46;
      --purple-2:#4d2c5e;
      --lime:#b7d63d;
      --lime-dark:#8cae18;
      --coral:#f06a4f;
      --paper:#f4f1ea;
      --white:#fffdf9;
      --line:#ddd8d0;
      --soft:#ebe6de;
      --shadow:0 14px 34px rgba(48,38,52,.09);
      --radius:14px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      background:rgba(244,241,234,.96);border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)
    }
    .nav-wrap{min-height:82px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:12px;min-width:280px}
    .brand-mark{
      width:43px;height:43px;border-radius:11px;background:var(--purple);color:var(--lime);
      display:grid;place-items:center;font-size:20px;font-weight:800
    }
    .brand-text{line-height:1.25}
    .brand-text b{display:block;color:var(--purple);font-size:17px}
    .brand-text span{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav a{
      position:relative;padding:10px 12px;color:var(--muted);font-size:14px;
      white-space:nowrap;transition:color .2s ease
    }
    .nav a::after{
      content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
      border-radius:2px;background:transparent;transition:background .2s ease
    }
    .nav a:hover,.nav a.active{color:var(--purple)}
    .nav a.active::after,.nav a:hover::after{background:var(--lime)}
    .nav-download,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:9px;background:var(--lime);color:var(--purple);
      font-weight:800;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s
    }
    .nav-download:hover,.btn-primary:hover{
      background:#c8e65a;transform:translateY(-2px);box-shadow:0 8px 16px rgba(99,120,20,.2)
    }
    .menu-toggle{
      display:none;border:1px solid var(--line);background:var(--white);
      color:var(--purple);border-radius:8px;padding:8px 11px
    }
    .page-hero{padding:76px 0 64px;border-bottom:1px solid var(--line)}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--coral);
      font-size:13px;font-weight:800
    }
    .eyebrow::before,.section-kicker::before{
      content:"";width:24px;height:3px;background:var(--coral);border-radius:2px
    }
    h1,h2,h3{color:var(--purple);letter-spacing:0;line-height:1.22}
    h1{font-size:clamp(38px,5vw,58px);margin:17px 0 20px;font-weight:800}
    h1 strong{color:var(--coral)}
    .hero-copy{max-width:670px;color:var(--muted);font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 18px;border:1px solid var(--purple);border-radius:9px;
      color:var(--purple);font-weight:700;transition:all .2s
    }
    .btn-secondary:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}
    .hero-panel{
      background:var(--purple);color:#fff;border-radius:18px;padding:25px;
      min-height:245px;box-shadow:var(--shadow);position:relative;overflow:hidden
    }
    .hero-panel:after{
      content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(183,214,61,.35);
      border-radius:50%;right:-54px;bottom:-74px
    }
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px}
    .panel-top span{font-size:12px;color:#d8cce0}
    .panel-top b{font-size:19px}
    .panel-stat{display:flex;align-items:center;gap:16px;padding:23px 0 10px}
    .stat-number{font-size:50px;line-height:1;font-weight:800;color:var(--lime)}
    .panel-stat p{font-size:13px;color:#e5dce9;line-height:1.6;margin:0}
    .status-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
    .status{display:inline-flex;padding:5px 10px;border-radius:5px;font-size:12px;font-weight:700}
    .status.live{background:var(--lime);color:var(--purple)}
    .status.next{background:var(--coral);color:#fff}
    .status.done{background:rgba(255,255,255,.16);color:#eee}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:34px;margin:10px 0 0}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:14px}
    .filter-bar{
      display:flex;gap:9px;overflow:auto;padding:5px 0 21px;margin-bottom:10px;
      scrollbar-width:none
    }
    .filter-bar::-webkit-scrollbar{display:none}
    .filter-btn{
      flex:0 0 auto;border:1px solid var(--line);background:var(--white);
      color:var(--muted);border-radius:8px;padding:9px 15px;font-size:13px;
      transition:.2s
    }
    .filter-btn:hover,.filter-btn.active{background:var(--purple);border-color:var(--purple);color:#fff}
    .timeline{position:relative;margin-left:18px;border-left:2px solid var(--line)}
    .event-item{position:relative;padding:0 0 32px 38px}
    .event-item:last-child{padding-bottom:0}
    .event-item:before{
      content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;
      border-radius:50%;background:var(--lime);border:4px solid var(--paper)
    }
    .event-item.done:before{background:var(--soft);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--line)}
    .event-date{font-size:13px;color:var(--coral);font-weight:800;margin-bottom:6px}
    .event-content{
      background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
      padding:23px 25px;display:grid;grid-template-columns:1fr auto;gap:18px;
      transition:transform .2s,border-color .2s,box-shadow .2s
    }
    .event-content:hover{transform:translateY(-3px);border-color:var(--lime-dark);box-shadow:var(--shadow)}
    .event-content h3{font-size:21px;margin:0 0 8px}
    .event-content p{color:var(--muted);font-size:14px;margin:0;line-height:1.75}
    .event-meta{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:8px}
    .event-meta span{font-size:12px;color:var(--muted);background:var(--soft);padding:3px 8px;border-radius:5px}
    .event-arrow{align-self:center;color:var(--purple);font-size:24px;transition:transform .2s}
    .event-content:hover .event-arrow{transform:translateX(4px);color:var(--coral)}
    .notice-band{background:#ebe6de;padding:25px 29px;border-left:5px solid var(--coral);border-radius:10px;margin-top:42px}
    .notice-band strong{color:var(--purple);display:block;margin-bottom:4px}
    .notice-band p{margin:0;color:var(--muted);font-size:14px}
    .download-cta{
      background:var(--purple);color:#fff;border-radius:20px;padding:42px 46px;
      display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center
    }
    .download-cta h2{color:#fff;margin:10px 0 12px;font-size:31px}
    .download-cta p{color:#ded3e4;max-width:650px;margin:0;font-size:14px}
    .download-cta .section-kicker{color:var(--lime)}
    .download-cta .section-kicker:before{background:var(--lime)}
    .download-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:21px;color:#ded3e4;font-size:12px}
    .download-meta b{color:var(--lime);font-size:15px;margin-right:5px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
    .faq-intro h2{font-size:32px;margin:12px 0}
    .faq-intro p{color:var(--muted);font-size:14px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}
    .faq-question{
      width:100%;background:var(--white);border:0;color:var(--purple);display:flex;align-items:center;justify-content:space-between;text-align:left;padding:17px 20px;font-weight:800;font-size:15px;transition:background .2s}
    .faq-question:hover{background:var(--soft)}
    .faq-question:focus-visible,.filter-btn:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.nav a:focus-visible{outline:3px solid rgba(183,214,61,.65);outline-offset:3px}
    .faq-icon{font-size:22px;line-height:1;color:var(--coral);transition:transform .2s}
    .faq-answer{display:none;padding:0 20px 17px;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .site-footer{background:var(--purple);color:#fff;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:52px}
    .footer-brand{font-size:21px;font-weight:800;line-height:1.55}
    .footer-brand span{display:block;max-width:360px;color:#d7cbdc;font-size:13px;font-weight:400;line-height:1.8;margin-top:14px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{color:var(--lime);font-size:14px;margin:0 0 8px}
    .footer-col a{color:#e1d9e5;font-size:13px;transition:color .2s,transform .2s}
    .footer-col a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.16);margin-top:42px;padding-top:18px;color:#cfc3d5;font-size:12px}
    @media (max-width:1024px){
      .brand{min-width:235px}.nav-wrap{gap:15px}.nav{gap:0}.nav a{padding:9px 8px;font-size:13px}
      .hero-layout{gap:42px}.download-cta{padding:36px}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .nav-wrap{min-height:70px;justify-content:space-between}
      .brand{min-width:0}.brand-text b{font-size:15px}.brand-text span{font-size:10px}
      .brand-mark{width:39px;height:39px;font-size:18px}
      .menu-toggle{display:block}
      .nav{
        display:none;position:absolute;top:70px;left:16px;right:16px;background:var(--white);
        padding:12px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
        flex-direction:column;align-items:stretch;margin:0
      }
      .nav.open{display:flex}
      .nav a{padding:12px 14px}.nav a::after{left:14px;right:auto;width:24px;bottom:5px}
      .nav-download{margin-top:6px;text-align:center}
      .page-hero{padding:53px 0 48px}.hero-layout{grid-template-columns:1fr;gap:32px}
      h1{font-size:38px}.hero-copy{font-size:15px}
      .hero-panel{min-height:215px}.section{padding:62px 0}
      .section-head{display:block;margin-bottom:26px}.section-head h2{font-size:29px;margin-bottom:10px}
      .event-content{grid-template-columns:1fr;padding:19px}.event-arrow{position:absolute;right:18px;top:50px}
      .event-item{padding-left:28px}.timeline{margin-left:10px}
      .download-cta{grid-template-columns:1fr;padding:30px 25px;gap:24px}.download-cta h2{font-size:27px}
      .download-cta .btn-primary{width:100%}
      .faq-grid{grid-template-columns:1fr;gap:28px}.faq-intro h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media (max-width:520px){
      h1{font-size:33px}.hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions a{width:100%}.panel-stat{padding-top:18px}
      .stat-number{font-size:42px}.event-content h3{font-size:18px;padding-right:20px}
      .notice-band{padding:20px 18px}.download-cta{border-radius:14px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category5 */
:root{
        --ink:#242329;
        --muted:#706b73;
        --purple:#351b46;
        --purple-2:#4d2c5e;
        --lime:#b7d63d;
        --lime-dark:#8cae18;
        --coral:#f06a4f;
        --paper:#f4f1ea;
        --white:#fffdf9;
        --line:#ddd8d0;
        --soft:#ebe6de;
        --shadow:0 14px 34px rgba(48,38,52,.09);
        --radius:14px;
        --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
        margin:0;background:var(--paper);color:var(--ink);
        font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
        font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{background:rgba(244,241,234,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{min-height:82px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:12px;min-width:280px}
    .brand-mark{width:43px;height:43px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-size:20px;font-weight:800}
    .brand-text{line-height:1.25}
    .brand-text b{display:block;color:var(--purple);font-size:17px}
    .brand-text span{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav a{position:relative;padding:10px 12px;color:var(--muted);font-size:14px;white-space:nowrap;transition:color .2s}
    .nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;background:transparent;transition:background .2s}
    .nav a:hover,.nav a.active{color:var(--purple)}
    .nav a.active::after,.nav a:hover::after{background:var(--lime)}
    .nav-download,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;background:var(--lime);color:var(--purple);font-weight:800;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s}
    .nav-download:hover,.btn-primary:hover{background:#c8e65a;transform:translateY(-2px);box-shadow:0 8px 16px rgba(99,120,20,.2)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--purple);border-radius:8px;padding:8px 11px}
    .page-hero{padding:76px 0 70px;background:var(--purple);color:#fff;overflow:hidden;position:relative}
    .page-hero:after{content:"APP";position:absolute;right:7%;bottom:-35px;font-size:170px;font-weight:900;line-height:1;color:rgba(255,255,255,.055)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#d9ccdf;font-size:13px;margin-bottom:24px;position:relative;z-index:1}
    .breadcrumb a:hover{color:var(--lime)}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:2px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-1px;margin:14px 0 20px;font-weight:800}
    h1 em{font-style:normal;color:var(--lime)}
    .hero-text{max-width:600px;color:#ddd4e1;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn-primary{padding:13px 21px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border:1px solid #d9ccdf;border-radius:9px;color:#fff;font-weight:700;transition:all .2s}
    .btn-outline:hover{background:#fff;color:var(--purple);transform:translateY(-2px)}
    .app-preview{background:var(--white);border-radius:20px;padding:16px;box-shadow:0 20px 45px rgba(20,10,28,.26);transform:rotate(2deg)}
    .preview-top{height:38px;display:flex;align-items:center;gap:7px;border-bottom:1px solid var(--line);color:var(--purple);font-size:13px;font-weight:800}
    .dot{width:8px;height:8px;border-radius:50%;background:var(--coral)}
    .preview-content{padding:22px 14px 12px}
    .preview-title{color:var(--purple);font-size:24px;font-weight:800;line-height:1.3;margin-bottom:17px}
    .preview-label{color:var(--muted);font-size:11px;margin-bottom:6px}
    .preview-line{height:10px;border-radius:5px;background:var(--soft);margin-bottom:10px}
    .preview-line.short{width:65%}
    .preview-block{background:#f0ece5;border-left:4px solid var(--lime-dark);padding:14px;margin-top:20px}
    .preview-block b{display:block;color:var(--purple);font-size:14px}
    .preview-block span{color:var(--muted);font-size:12px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{color:var(--purple);font-size:34px;line-height:1.25;margin:9px 0 0}
    .section-head p{max-width:480px;color:var(--muted);font-size:14px;margin:0}
    .download-panel{background:var(--purple);color:#fff;border-radius:20px;padding:42px;box-shadow:var(--shadow)}
    .panel-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
    .panel-title{font-size:32px;line-height:1.3;margin:10px 0 14px}
    .panel-copy{color:#d9ccdf;max-width:600px}
    .version-row{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}
    .version-chip{border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:9px 13px;color:#eee5f1;font-size:13px}
    .version-chip strong{display:block;color:var(--lime);font-size:15px}
    .qr-card{background:var(--white);color:var(--ink);border-radius:14px;padding:20px;display:flex;align-items:center;gap:19px;max-width:360px;margin-left:auto}
    .qr{width:112px;height:112px;border:8px solid #fff;background:repeating-linear-gradient(45deg,var(--purple) 0 4px,#fff 4px 8px),repeating-linear-gradient(-45deg,transparent 0 5px,var(--purple) 5px 8px);box-shadow:inset 0 0 0 2px var(--purple)}
    .qr-card b{display:block;color:var(--purple);font-size:16px;margin-bottom:4px}
    .qr-card span{display:block;color:var(--muted);font-size:12px;line-height:1.6}
    .info-table{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .info-row{display:grid;grid-template-columns:160px 1fr;padding:18px 24px;border-bottom:1px solid var(--line)}
    .info-row:last-child{border-bottom:0}
    .info-row dt{color:var(--muted);font-size:14px}
    .info-row dd{margin:0;color:var(--purple);font-weight:700}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s}
    .step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--lime-dark)}
    .step-number{width:38px;height:38px;border-radius:10px;background:var(--lime);color:var(--purple);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
    .step h3{font-size:20px;color:var(--purple);margin-bottom:9px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}
    .notice-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .notice-card{background:var(--soft);border-radius:var(--radius);padding:28px;border-left:5px solid var(--coral)}
    .notice-card h3{color:var(--purple);font-size:22px}
    .notice-card p,.notice-card li{color:var(--muted);font-size:14px}
    .notice-card ul{padding-left:20px;margin:12px 0 0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;padding:21px 4px;text-align:left;color:var(--purple);font-weight:800;display:flex;justify-content:space-between;align-items:center}
    .faq-question span:last-child{font-size:23px;color:var(--coral);transition:transform .2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;max-width:820px;padding:0 38px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--lime);border-radius:var(--radius);padding:34px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{color:var(--purple);font-size:28px;margin:0 0 5px}
    .cta p{color:#4c5c16;margin:0;font-size:14px}
    .cta .btn-secondary{border-color:var(--purple)}
    .site-footer{background:var(--purple);color:#fff;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
    .footer-brand{font-size:20px;font-weight:800;line-height:1.5}
    .footer-brand span{display:block;color:#cfc2d5;font-size:13px;font-weight:400;line-height:1.8;margin-top:15px;max-width:390px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:15px;color:var(--lime);margin-bottom:7px}
    .footer-col a{color:#d8cde0;font-size:13px;transition:color .2s}
    .footer-col a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#b9adbf;font-size:12px}
    :focus-visible{outline:3px solid rgba(183,214,61,.7);outline-offset:3px}
    @media(max-width:1050px){
        .nav-wrap{gap:15px}.brand{min-width:245px}.nav a{padding:9px 7px;font-size:13px}.nav a::after{left:7px;right:7px}
        .hero-layout{gap:40px}.panel-grid{gap:25px}
    }
    @media(max-width:800px){
        .container{width:min(var(--max),calc(100% - 32px))}
        .menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;top:82px;left:16px;right:16px;padding:13px;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav a::after{left:14px;right:auto;width:26px}.nav-download{text-align:center;margin-top:6px}
        .hero-layout,.panel-grid,.notice-grid{grid-template-columns:1fr}.page-hero{padding:52px 0 58px}.app-preview{max-width:430px;margin:10px auto 0}.section{padding:66px 0}.section-head{display:block}.section-head p{margin-top:15px}.steps{grid-template-columns:1fr}.qr-card{margin:0;max-width:none}
        .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
        h1{font-size:35px}.hero-text{font-size:15px}.hero-actions>*{width:100%}.download-panel{padding:26px 20px}.panel-title{font-size:27px}.qr-card{align-items:flex-start;padding:15px}.qr{width:92px;height:92px;flex:none}.info-row{grid-template-columns:1fr;gap:4px;padding:15px 18px}.cta{display:block;padding:27px 23px}.cta .btn-secondary{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category4 */
:root {
  --ink: #242329;
  --muted: #706b73;
  --purple: #351b46;
  --purple-2: #4d2c5e;
  --lime: #b7d63d;
  --lime-dark: #8cae18;
  --coral: #f06a4f;
  --paper: #f4f1ea;
  --white: #fffdf9;
  --line: #ddd8d0;
  --soft: #ebe6de;
  --shadow: 0 14px 34px rgba(48,38,52,.09);
  --radius: 14px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.site-header {
  background: rgba(244,241,234,.96); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px);
}
.nav-wrap { min-height: 82px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 280px; }
.brand-mark {
  width: 43px; height: 43px; border-radius: 11px; background: var(--purple); color: var(--lime);
  display: grid; place-items: center; font-size: 20px; font-weight: 800; flex: 0 0 auto;
}
.brand-text { line-height: 1.25; }
.brand-text b { display: block; color: var(--purple); font-size: 17px; }
.brand-text span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative; padding: 10px 12px; color: var(--muted);
  font-size: 14px; white-space: nowrap; transition: color .2s ease;
}
.nav a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 3px;
  border-radius: 2px; background: transparent; transition: background .2s ease;
}
.nav a:hover, .nav a.active { color: var(--purple); }
.nav a.active::after, .nav a:hover::after { background: var(--lime); }
.nav-download, .btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0;
  border-radius: 9px; background: var(--lime); color: var(--purple); font-weight: 800;
  padding: 12px 18px; transition: transform .2s, background .2s, box-shadow .2s;
}
.nav-download::after { display: none; }
.nav-download:hover, .btn-primary:hover {
  background: #c8e65a; color: var(--purple); transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(99,120,20,.2);
}
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border: 1px solid var(--purple); border-radius: 9px;
  color: var(--purple); font-weight: 700; transition: all .2s;
}
.btn-secondary:hover { background: var(--purple); color: #fff; transform: translateY(-2px); }
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid rgba(183,214,61,.7); outline-offset: 3px;
}
.menu-toggle {
  display: none; border: 1px solid var(--line); background: var(--white); color: var(--purple);
  border-radius: 8px; padding: 8px 11px; font-weight: 800;
}
.page-hero {
  border-bottom: 1px solid var(--line); overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--paper) 0%, #f8f5ef 58%, #ece3eb 100%);
}
.page-hero::before {
  content: ""; width: 330px; height: 330px; border: 1px solid rgba(53,27,70,.12);
  border-radius: 50%; position: absolute; right: 8%; top: -115px;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0,1fr) 410px; gap: 76px;
  align-items: center; min-height: 520px; padding: 70px 0 76px; position: relative;
}
.breadcrumb {
  display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 13px;
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--purple); }
.breadcrumb span { color: var(--coral); }
.eyebrow, .section-kicker {
  display: inline-flex; align-items: center; gap: 8px; color: var(--coral);
  font-size: 13px; font-weight: 800;
}
.eyebrow::before, .section-kicker::before {
  content: ""; width: 24px; height: 3px; background: var(--coral); border-radius: 2px;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  color: var(--purple); font-size: clamp(38px, 4vw, 54px); line-height: 1.2;
  font-weight: 800; margin: 15px 0 20px; letter-spacing: 0;
}
.hero-copy { max-width: 625px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 11px 20px; margin-top: 26px;
 color: var(--muted); font-size: 13px;
}
.hero-meta strong { color: var(--purple); font-weight: 800; }
.guide-visual {
  background: var(--purple); border-radius: 20px; padding: 22px; color: #fff;
  box-shadow: var(--shadow); position: relative; transform: rotate(2deg);
}
.guide-visual::after {
  content: ""; position: absolute; width: 90px; height: 90px; border-radius: 50%;
  background: var(--lime); right: -28px; bottom: -28px; opacity: .9;
}
.visual-top {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 16px; margin-bottom: 18px;
}
.visual-top b { font-size: 18px; }
.visual-top span { color: var(--lime); font-size: 12px; font-weight: 700; }
.visual-content { display: grid; gap: 12px; }
.visual-panel {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px; padding: 16px;
}
.visual-panel small { color: #d8cce0; display: block; font-size: 12px; margin-bottom: 4px; }
.visual-panel strong { font-size: 18px; }
.visual-progress { height: 7px; background: rgba(255,255,255,.17); border-radius: 5px; margin-top: 12px; overflow: hidden; }
.visual-progress i { display: block; height: 100%; width: 68%; background: var(--lime); border-radius: 5px; }
.visual-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.visual-step {
  background: #fffdf9; color: var(--purple); border-radius: 9px; padding: 12px 8px;
  text-align: center; font-size: 12px; font-weight: 800;
}
.visual-step em {
  display: grid; place-items: center; width: 24px; height: 24px; margin: 0 auto 5px;
  border-radius: 50%; background: var(--lime); font-style: normal;
}
.section { padding: 88px 0; }
.section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px;
}
.section-head h2 { color: var(--purple); font-size: 34px; line-height: 1.25; margin: 10px 0 0; }
.section-head p { max-width: 490px; margin: 0; color: var(--muted); font-size: 14px; }
.guide-layout { display: grid; grid-template-columns: 245px minmax(0,1fr); gap: 42px; align-items: start; }
.guide-index {
  position: sticky; top: 108px; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 19px;
}
.guide-index h3 { color: var(--purple); font-size: 17px; margin-bottom: 13px; }
.guide-index a {
  display: flex; justify-content: space-between; align-items: center; padding: 10px 11px;
  color: var(--muted); font-size: 14px; border-left: 3px solid transparent; transition: .2s;
}
.guide-index a:hover, .guide-index a.active {
  color: var(--purple); background: #f2eee7; border-left-color: var(--lime); font-weight: 700;
}
.guide-content { display: grid; gap: 22px; }
.guide-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 30px; box-shadow: 0 8px 24px rgba(48,38,52,.045);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.guide-card:hover { transform: translateY(-3px); border-color: #c7bea9; box-shadow: var(--shadow); }
.guide-card-head { display: flex; gap: 17px; align-items: flex-start; margin-bottom: 15px; }
.step-number {
  width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto;
  border-radius: 11px; background: var(--purple); color: var(--lime); font-size: 19px; font-weight: 800;
}
.guide-card h3 { color: var(--purple); font-size: 22px; margin: 5px 0 0; line-height: 1.35; }
.guide-card p { color: var(--muted); margin-bottom: 12px; }
.guide-card ul { padding-left: 20px; margin: 0; color: var(--ink); }
.guide-card li { margin: 6px 0; }
.note-box {
  background: #f8eee9; border-left: 4px solid var(--coral); border-radius: 8px;
  padding: 13px 16px; color: #5d4140; font-size: 14px; margin-top: 18px;
}
.demo-strip {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 20px;
}
.demo-item { background: var(--soft); border-radius: 10px; padding: 16px; }
.demo-item b { display: block; color: var(--purple); font-size: 15px; margin-bottom: 4px; }
.demo-item span { color: var(--muted); font-size: 13px; }
.rule-section { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rule-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.rule-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 27px;
  background: var(--paper);
}
.rule-card h3 { color: var(--purple); font-size: 21px; margin-bottom: 11px; }
.rule-card p { color: var(--muted); font-size: 14px; margin-bottom: 15px; }
.rule-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.rule-list li { display: flex; gap: 10px; color: var(--ink); font-size: 14px; }
.rule-list li::before { content: "✓"; color: var(--lime-dark); font-weight: 900; }
.faq-list { max-width: 850px; margin: 0 auto; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-question {
  width: 100%; border: 0; background: transparent; display: flex; justify-content: space-between;
  align-items: center; text-align: left; color: var(--purple); font-weight: 800; padding: 21px 3px;
}
.faq-question span:last-child {
  width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%;
  background: var(--soft); color: var(--purple); font-size: 19px; line-height: 1; transition: transform .2s;
}
.faq-answer { display: none; color: var(--muted); font-size: 14px; padding: 0 42px 20px 3px; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); background: var(--lime); }
.download-cta {
  background: var(--purple); color: #fff; border-radius: 20px; overflow: hidden; position: relative;
}
.download-cta::before {
  content: ""; position: absolute; width: 250px; height: 250px; border: 1px solid rgba(183,214,61,.28);
  border-radius: 50%; right: -75px; top: -100px;
}
.cta-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 35px;
  padding: 43px 48px; position: relative;
}
.cta-inner h2 { font-size: 30px; line-height: 1.3; margin: 10px 0; }
.cta-inner p { color: #d8cce0; margin: 0; max-width: 650px; font-size: 14px; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; flex: 0 0 auto; }
.cta-actions .btn-secondary { border-color: var(--lime); color: var(--lime); }
.cta-actions .btn-secondary:hover { background: var(--lime); color: var(--purple); }
.site-footer { background: var(--purple); color: #fff; padding: 58px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 50px; }
.footer-brand { font-size: 18px; font-weight: 800; line-height: 1.45; }
.footer-brand span {
  display: block; max-width: 400px; color: #d8cce0; font-size: 13px; font-weight: 400;
  line-height: 1.8; margin-top: 14px;
}
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col h3 { color: var(--lime); font-size: 15px; margin: 0 0 8px; }
.footer-col a { color: #d8cce0; font-size: 13px; transition: color .2s, padding .2s; }
.footer-col a:hover { color: var(--lime); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.16); margin-top: 42px; padding-top: 17px;
  display: flex; justify-content: space-between; gap: 15px; color: #bbaec3; font-size: 12px;
}
@media (max-width: 1024px) {
  .container { width: min(var(--max), calc(100% - 36px)); }
  .nav-wrap { gap: 15px; }
  .brand { min-width: 230px; }
  .brand-text b { font-size: 15px; }
  .nav a { padding-left: 8px; padding-right: 8px; font-size: 13px; }
  .nav a::after { left: 8px; right: 8px; }
  .hero-grid { gap: 40px; }
}
@media (max-width: 820px) {
  .nav-wrap { min-height: 72px; justify-content: space-between; }
  .brand { min-width: 0; }
  .menu-toggle { display: block; }
  .nav {
    display: none; position: absolute; left: 18px; right: 18px; top: 78px; margin: 0;
    padding: 12px; background: var(--white); border: 1px solid var(--line); border-radius: 12px;
    box-shadow: var(--shadow); flex-direction: column; align-items: stretch;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav a::after { display: none; }
  .nav-download { margin-top: 5px; }
  .hero-grid { grid-template-columns: 1fr; padding: 58px 0 62px; min-height: auto; }
  .guide-layout { grid-template-columns: 1fr; gap: 24px; }
  .guide-index { position: static; display: flex; gap: 5px; overflow-x: auto; padding: 9px; }
  .guide-index h3 { display: none; }
  .guide-index a { flex: 0 0 auto; border-left: 0; border-bottom: 3px solid transparent; }
  .guide-index a:hover, .guide-index a.active { border-left: 0; border-bottom-color: var(--lime); }
  .cta-inner { align-items: flex-start; flex-direction: column; padding: 34px 28px; }
}
@media (max-width: 600px) {
  .container { width: min(var(--max), calc(100% - 30px)); }
  h1 { font-size: 35px; }
  .section { padding: 62px 0; }
  .section-head { display: block; margin-bottom: 25px; }
  .section-head h2 { font-size: 28px; }
  .section-head p { margin-top: 12px; }
  .guide-card { padding: 22px 19px; }
  .guide-card h3 { font-size: 19px; }
  .demo-strip, .rule-grid { grid-template-columns: 1fr; }
  .guide-visual { transform: none; }
  .visual-steps { gap: 5px; }
  .visual-step { padding: 9px 4px; font-size: 11px; }
  .hero-actions, .hero-actions a, .cta-actions, .cta-actions a { width: 100%; }
  .hero-actions a, .cta-actions a { text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 5px; }
}

/* roulang page: category6 */
:root{
 --ink:#242329;--muted:#706b73;--purple:#351b46;--purple-2:#4d2c5e;
 --lime:#b7d63d;--lime-dark:#8cae18;--coral:#f06a4f;--paper:#f4f1ea;
 --white:#fffdf9;--line:#ddd8d0;--soft:#ebe6de;
 --shadow:0 14px 34px rgba(48,38,52,.09);--radius:14px;--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{background:rgba(244,241,234,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{min-height:82px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;min-width:280px}
.brand-mark{width:43px;height:43px;border-radius:11px;background:var(--purple);color:var(--lime);display:grid;place-items:center;font-size:20px;font-weight:800}
.brand-text{line-height:1.25}
.brand-text b{display:block;color:var(--purple);font-size:17px}
.brand-text span{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{position:relative;padding:10px 12px;color:var(--muted);font-size:14px;white-space:nowrap;transition:color .2s ease}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;background:transparent;transition:background .2s ease}
.nav a:hover,.nav a.active{color:var(--purple)}
.nav a.active::after,.nav a:hover::after{background:var(--lime)}
.nav-download,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;background:var(--lime);color:var(--purple);font-weight:800;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s}
.nav-download:hover,.btn-primary:hover{background:#c8e65a;transform:translateY(-2px);box-shadow:0 8px 16px rgba(99,120,20,.2)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--purple);border-radius:8px;padding:8px 11px}
.page-hero{padding:74px 0 68px;background:var(--purple);color:#fff;position:relative;overflow:hidden}
.page-hero:after{content:"?";position:absolute;right:7%;top:-40px;color:rgba(255,255,255,.08);font-size:270px;font-weight:900;line-height:1}
.breadcrumb{display:flex;gap:9px;align-items:center;color:#d9cfe0;font-size:13px;margin-bottom:22px;position:relative;z-index:1}
.breadcrumb a:hover{color:var(--lime)}
.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end;position:relative;z-index:1}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-size:13px;font-weight:800}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:2px}
.page-hero h1{font-size:52px;line-height:1.2;margin:14px 0 18px;letter-spacing:-1px}
.page-hero p{max-width:700px;color:#e5dfea;margin:0;font-size:17px;line-height:1.85}
.hero-index{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px}
.hero-index strong{display:block;color:var(--lime);font-size:18px;margin-bottom:12px}
.hero-index ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.hero-index li{color:#eee8f0;font-size:14px;display:flex;gap:9px}
.hero-index li:before{content:"→";color:var(--lime);font-weight:800}
.section{padding:82px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head h2{color:var(--purple);font-size:34px;line-height:1.25;margin:9px 0 0}
.section-head p{max-width:510px;margin:0;color:var(--muted);font-size:14px}
.question-tools{display:flex;gap:12px;align-items:center;margin-bottom:34px;flex-wrap:wrap}
.search-box{position:relative;flex:1;min-width:260px}
.search-box input{width:100%;height:52px;border:1px solid var(--line);border-radius:10px;background:var(--white);padding:0 18px 0 48px;color:var(--ink);outline:0;transition:border .2s,box-shadow .2s}
.search-box:before{content:"⌕";position:absolute;left:18px;top:7px;color:var(--purple);font-size:25px;z-index:1}
.search-box input:focus,.form-control:focus{border-color:var(--purple);box-shadow:0 0 0 4px rgba(53,27,70,.1)}
.filter-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:3px}
.filter-tabs button{border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--muted);padding:10px 15px;white-space:nowrap;transition:.2s}
.filter-tabs button:hover,.filter-tabs button.active{background:var(--purple);border-color:var(--purple);color:#fff}
.faq-layout{display:grid;grid-template-columns:235px 1fr;gap:46px;align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side h3{font-size:18px;color:var(--purple);margin:0 0 14px}
.faq-side p{font-size:14px;color:var(--muted);margin:0 0 18px}
.side-list{border-left:2px solid var(--line);display:grid}
.side-list a{padding:9px 0 9px 17px;color:var(--muted);font-size:14px;transition:.2s}
.side-list a:hover,.side-list a.active{border-left:2px solid var(--lime-dark);margin-left:-2px;color:var(--purple);font-weight:700}
.faq-group{margin-bottom:36px}
.faq-group-title{display:flex;align-items:center;gap:10px;color:var(--purple);font-size:21px;margin:0 0 14px}
.faq-group-title span{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--lime);font-size:13px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:rgba(255,253,249,.42)}
.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:18px 48px 18px 18px;color:var(--ink);font-weight:700;position:relative;transition:background .2s,color .2s}
.faq-question:after{content:"+";position:absolute;right:19px;top:14px;color:var(--purple);font-size:25px;font-weight:400;transition:transform .2s}
.faq-item.open .faq-question{background:var(--white);color:var(--purple)}
.faq-item.open .faq-question:after{content:"−";transform:rotate(180deg)}
.faq-answer{display:none;padding:0 48px 18px 18px;background:var(--white);color:var(--muted);font-size:14px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.feedback-section{background:var(--soft);padding:82px 0}
.feedback-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.feedback-copy h2{color:var(--purple);font-size:34px;line-height:1.3;margin:10px 0 16px}
.feedback-copy p{color:var(--muted);font-size:15px}
.feedback-note{margin-top:25px;padding:16px 18px;border-left:4px solid var(--coral);background:var(--white);font-size:13px;color:var(--muted)}
.feedback-form{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:17px}
.form-group label{display:block;color:var(--purple);font-weight:700;font-size:14px;margin-bottom:6px}
.form-control,.form-select{width:100%;border:1px solid var(--line);border-radius:9px;background:#fcfaf6;color:var(--ink);padding:12px 13px;outline:0;transition:.2s}
textarea.form-control{min-height:125px;resize:vertical}
.form-hint{font-size:12px;color:var(--muted);margin-top:7px}
.btn-primary{padding:12px 24px}
.download-cta{padding:66px 0}
.cta-box{background:var(--purple);border-radius:20px;color:#fff;padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden;position:relative}
.cta-box:after{content:"金年会";position:absolute;right:25px;bottom:-35px;color:rgba(255,255,255,.06);font-size:110px;font-weight:900}
.cta-box h2{font-size:28px;line-height:1.35;margin:0 0 8px;position:relative;z-index:1}
.cta-box p{color:#d8cde0;margin:0;font-size:14px;position:relative;z-index:1}
.cta-box .btn-primary{position:relative;z-index:1;white-space:nowrap}
.site-footer{background:var(--purple);color:#fff;padding:55px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px;padding-bottom:42px}
.footer-brand{font-size:20px;font-weight:800;line-height:1.55}
.footer-brand span{display:block;color:#cfc2d6;font-size:13px;font-weight:400;line-height:1.8;max-width:390px;margin-top:14px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{font-size:15px;color:var(--lime);margin:0 0 10px}
.footer-col a{color:#d9cfe0;font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--lime);padding-left:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#bcaec4;font-size:12px;flex-wrap:wrap}
@media(max-width:1050px){
 .nav-wrap{gap:15px}.brand{min-width:245px}.nav a{padding-left:8px;padding-right:8px}.nav a:after{left:8px;right:8px}
 .page-hero-grid{gap:35px}
}
@media(max-width:800px){
 .container{width:min(var(--max),calc(100% - 34px))}
 .nav-wrap{min-height:72px;justify-content:space-between}.brand{min-width:0}.brand-text b{font-size:15px}.brand-text span{font-size:10px}
 .menu-toggle{display:block}.nav{display:none;position:absolute;left:17px;right:17px;top:68px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav.open{display:flex}.nav a{padding:12px 14px}.nav a:after{display:none}.nav-download{text-align:center;margin-top:5px}
 .page-hero{padding:48px 0 52px}.page-hero-grid{grid-template-columns:1fr}.page-hero h1{font-size:40px}.hero-index{max-width:480px}
 .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:15px}.section-head h2{font-size:29px}
 .faq-layout,.feedback-grid{grid-template-columns:1fr;gap:30px}.faq-side{position:static}.side-list{display:flex;overflow:auto;border-left:0;border-bottom:1px solid var(--line);gap:20px}.side-list a{white-space:nowrap;padding:8px 0 12px}.side-list a:hover,.side-list a.active{border-left:0;border-bottom:2px solid var(--lime-dark);margin-left:0}
 .cta-box{display:block;padding:32px 25px}.cta-box .btn-primary{margin-top:24px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}.brand-mark{width:38px;height:38px;font-size:17px}.brand-text b{font-size:13px}.brand-text span{display:none}
 .page-hero h1{font-size:32px}.page-hero p{font-size:15px}.breadcrumb{font-size:12px}
 .form-row{grid-template-columns:1fr}.feedback-form{padding:22px 17px}.faq-question{font-size:14px;padding-left:13px}.faq-answer{padding-left:13px;padding-right:35px}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}