/* roulang page: index */
:root {
      --ink: #241f25;
      --ink-soft: #544c55;
      --wine: #4f1830;
      --wine-deep: #321020;
      --coral: #e94e4e;
      --coral-dark: #c9383d;
      --cream: #fffaf7;
      --paper: #ffffff;
      --mist: #f6efef;
      --line: #e7dcdc;
      --muted: #81757d;
      --focus: #ef6b56;
      --shadow-sm: 0 6px 20px rgba(61, 22, 37, .08);
      --shadow-md: 0 14px 34px rgba(61, 22, 37, .13);
      --radius: 8px;
      --container: 1180px;
      --section-space: 92px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-width: 320px;
      color: var(--ink);
      background: var(--cream);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      line-height: 1.75;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 3px solid var(--focus);
      outline-offset: 3px;
    }
    .site-container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(231, 220, 220, .88);
      background: rgba(255, 250, 247, .96);
      backdrop-filter: blur(12px);
    }
    .nav-shell { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      max-width: 310px;
      color: var(--wine-deep);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.25;
    }
    .brand-mark {
      display: grid;
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      place-items: center;
      border-radius: 7px;
      color: #fff;
      background: var(--coral);
      box-shadow: 0 5px 12px rgba(233, 78, 78, .28);
    }
    .main-nav { display: flex; align-items: center; gap: 8px; }
    .nav-link {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      padding: 0 13px;
      border-radius: 6px;
      color: var(--ink-soft);
      font-size: 14px;
      font-weight: 700;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-link:hover, .nav-link.active { color: var(--wine); background: #f5e5e7; }
    .nav-link:active { transform: translateY(1px); }
    .mega-wrap { position: relative; }
    .mega-trigger {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      gap: 7px;
      padding: 0 13px;
      border: 1px solid transparent;
      border-radius: 6px;
      color: var(--ink-soft);
      background: transparent;
      font-size: 14px;
      font-weight: 700;
      transition: all .2s ease;
    }
    .mega-trigger:hover, .mega-wrap:focus-within .mega-trigger { border-color: var(--line); background: #fff; color: var(--wine); }
    .mega-panel {
      position: absolute;
      top: calc(100% + 12px);
      right: 0;
      width: 360px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-md);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-6px);
      transition: all .2s ease;
    }
    .mega-wrap:hover .mega-panel, .mega-wrap:focus-within .mega-panel, .mega-wrap.open .mega-panel {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .mega-entry { display: block; padding: 13px; border-radius: 6px; transition: background .2s ease; }
    .mega-entry:hover { background: var(--mist); }
    .mega-entry strong { display: block; color: var(--wine); font-size: 14px; }
    .mega-entry span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.55; }
    .mobile-toggle { display: none; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); border-radius: 6px; color: var(--wine); background: #fff; }
    .hero {
      position: relative;
      overflow: hidden;
      min-height: 590px;
      padding: 62px 0 74px;
      color: #fff;
      background: var(--wine-deep);
    }
    .hero::before {
      position: absolute;
      inset: 0;
      content: "";
      opacity: .35;
      background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size: 38px 38px;
    }
    .hero::after {
      position: absolute;
      right: -9%;
      bottom: -42%;
      width: 620px;
      height: 620px;
      border: 90px solid rgba(233,78,78,.22);
      border-radius: 50%;
      content: "";
    }
    .hero-inner { position: relative; z-index: 1; }
    .hero-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 40px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border: 1px solid rgba(255,255,255,.26);
      border-radius: 99px;
      color: #ffe8dc;
      font-size: 12px;
      font-weight: 700;
      background: rgba(255,255,255,.08);
    }
    .status-dot { width: 7px; height: 7px; border-radius: 50%; background: #ff9b6b; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 48px; align-items: end; }
    .hero h1 {
      max-width: 780px;
      margin: 0;
      font-size: clamp(36px, 5vw, 66px);
      font-weight: 900;
      line-height: 1.14;
    }
    .hero-copy { max-width: 720px; margin: 22px 0 0; color: #f5dce2; font-size: 17px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .btn {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 19px;
      border: 1px solid transparent;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn:disabled { cursor: not-allowed; opacity: .55; transform: none; }
    .btn-primary { color: #fff; background: var(--coral); box-shadow: 0 8px 20px rgba(233,78,78,.25); }
    .btn-primary:hover { background: var(--coral-dark); box-shadow: 0 12px 24px rgba(233,78,78,.35); }
    .btn-light { border-color: rgba(255,255,255,.36); color: #fff; background: rgba(255,255,255,.08); }
    .btn-light:hover { border-color: #fff; background: rgba(255,255,255,.15); }
    .hero-numbers { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 38px; }
    .hero-number { padding-left: 13px; border-left: 2px solid var(--coral); }
    .hero-number strong { display: block; font-size: 22px; line-height: 1.2; }
    .hero-number span { color: #d8bcc5; font-size: 12px; }
    .hero-poster {
      position: relative;
      min-height: 390px;
      overflow: hidden;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: 8px;
      background: #6e263c;
      box-shadow: 22px 22px 0 rgba(233,78,78,.32);
    }
    .poster-lines { position: absolute; inset: 0; opacity: .35; background: repeating-linear-gradient(135deg, transparent 0 18px, rgba(255,255,255,.13) 18px 19px); }
    .poster-kicker { position: relative; display: inline-block; padding: 6px 10px; color: var(--wine-deep); background: #ffce9e; font-size: 12px; font-weight: 900; transform: rotate(-3deg); }
    .poster-word { position: relative; margin: 50px 0 0; font-size: 48px; font-weight: 900; line-height: 1.03; }
    .poster-word span { display: block; color: #ffbdad; }
    .poster-bottom { position: absolute; right: 22px; bottom: 20px; left: 22px; display: flex; align-items: flex-end; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.3); padding-top: 16px; }
    .poster-bottom small { color: #f2cbd4; font-size: 12px; }
    .poster-index { color: #fff0e8; font-size: 32px; font-weight: 900; line-height: 1; }
    .scroll-note { position: absolute; bottom: 18px; left: 50%; display: inline-flex; align-items: center; gap: 8px; color: #d9b9c2; font-size: 12px; transform: translateX(-50%); }
    .scroll-note i { display: inline-block; width: 26px; height: 1px; background: var(--coral); }
    .section { padding: var(--section-space) 0; }
    .section-muted { background: var(--mist); }
    .section-dark { color: #fff; background: var(--wine); }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 34px; }
    .section-head h2 { max-width: 620px; margin: 0; color: var(--wine-deep); font-size: clamp(27px, 3vw, 39px); font-weight: 900; line-height: 1.25; }
    .section-dark .section-head h2 { color: #fff; }
    .section-head p { max-width: 475px; margin: 0; color: var(--ink-soft); font-size: 15px; }
    .section-dark .section-head p { color: #e6cbd3; }
    .section-index { display: block; margin-bottom: 8px; color: var(--coral); font-size: 12px; font-weight: 900; }
    .countdown-band {
      margin-top: -30px;
      position: relative;
      z-index: 3;
    }
    .countdown-inner { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; padding: 22px 26px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow-sm); }
    .countdown-label strong { color: var(--wine); font-size: 18px; }
    .countdown-label p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
    .countdown-units { display: flex; gap: 9px; }
    .time-unit { min-width: 56px; padding: 5px 7px; text-align: center; border-radius: 6px; color: #fff; background: var(--wine-deep); }
    .time-unit b { display: block; font-size: 20px; line-height: 1.2; }
    .time-unit span { color: #e9c7d1; font-size: 10px; }
    .path-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
    .feature-main {
      min-height: 370px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 34px;
      overflow: hidden;
      position: relative;
      border-radius: var(--radius);
      color: #fff;
      background: #8a3140;
    }
    .feature-main::before { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(50,16,32,.91), rgba(50,16,32,.06) 78%); }
    .feature-main::after { position: absolute; top: -94px; right: -30px; width: 290px; height: 290px; border: 36px solid rgba(255,206,158,.68); border-radius: 50%; content: ""; }
    .feature-main > * { position: relative; z-index: 1; }
    .tag { display: inline-flex; width: max-content; align-items: center; padding: 4px 9px; border: 1px solid #efc4b2; border-radius: 99px; color: #8b312d; background: #fff3ec; font-size: 11px; font-weight: 800; }
    .feature-main .tag { color: #ffeadf; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.12); }
    .feature-main h3 { max-width: 480px; margin: 14px 0 8px; font-size: 28px; line-height: 1.3; }
    .feature-main p { max-width: 500px; margin: 0; color: #f1d9df; font-size: 14px; }
    .feature-side { display: grid; gap: 20px; }
    .mini-feature { display: grid; grid-template-columns: 110px 1fr; gap: 16px; min-height: 175px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
    .mini-feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .cover-block { min-height: 100%; border-radius: 5px; background: #dab1a3; }
    .cover-a { background: linear-gradient(145deg, #ed725f 0 42%, #601b34 42% 100%); }
    .cover-b { background: linear-gradient(145deg, #f6bd86 0 38%, #bf3942 38% 72%, #4e1930 72%); }
    .mini-feature h3 { margin: 9px 0 5px; color: var(--wine); font-size: 17px; line-height: 1.45; font-weight: 900; }
    .mini-feature p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
    .mini-feature .meta { display: block; margin-top: 8px; color: #9c6a6d; font-size: 11px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.22); border-left: 1px solid rgba(255,255,255,.22); }
    .metric { min-height: 170px; padding: 28px 24px; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
    .metric b { display: block; color: #ffb496; font-size: 38px; line-height: 1.1; }
    .metric strong { display: block; margin-top: 10px; font-size: 15px; }
    .metric p { margin: 6px 0 0; color: #e7cdd4; font-size: 12px; line-height: 1.7; }
    .spotlight-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; }
    .spotlight {
      position: relative;
      min-height: 400px;
      overflow: hidden;
      padding: 30px;
      border-radius: var(--radius);
      color: #fff;
      background: #562039;
    }
    .spotlight::before { position: absolute; inset: 0; content: ""; background: linear-gradient(135deg, rgba(233,78,78,.8), rgba(50,16,32,.6)); }
    .spotlight::after { position: absolute; width: 380px; height: 210px; right: -48px; top: 46px; border: 20px solid rgba(255,211,162,.44); content: ""; transform: rotate(-25deg); }
    .spotlight-content { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; align-items: flex-start; justify-content: end; }
    .spotlight h3 { margin: 15px 0 9px; font-size: 29px; line-height: 1.3; }
    .spotlight p { max-width: 520px; margin: 0; color: #f8dfe0; font-size: 14px; }
    .spotlight .btn { margin-top: 20px; }
    .topic-list { display: grid; gap: 12px; }
    .topic-row { display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 16px; padding: 17px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .2s ease, border-color .2s ease; }
    .topic-row:hover { border-color: #d99aa0; transform: translateX(3px); }
    .topic-no { color: var(--coral); font-size: 22px; font-weight: 900; }
    .topic-row h3 { margin: 0; color: var(--wine); font-size: 16px; }
    .topic-row p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
    .topic-arrow { color: var(--coral); font-size: 22px; }
    .route-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
    .route-tab { padding: 9px 14px; border: 1px solid var(--line); border-radius: 99px; color: var(--ink-soft); background: #fff; font-size: 13px; font-weight: 800; transition: all .2s ease; }
    .route-tab:hover, .route-tab.active { border-color: var(--wine); color: #fff; background: var(--wine); }
    .route-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; }
    .route-intro { padding: 28px; border-radius: var(--radius); color: #fff; background: var(--coral); }
    .route-intro h3 { margin: 0 0 11px; font-size: 25px; line-height: 1.35; }
    .route-intro p { margin: 0; color: #fff0e9; font-size: 14px; }
    .route-intro .btn { margin-top: 22px; border-color: #fff; color: #fff; background: transparent; }
    .route-intro .btn:hover { color: var(--coral-dark); background: #fff; }
    .route-steps { display: grid; gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
    .route-step { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 19px; background: #fff; }
    .step-number { color: var(--coral); font-size: 18px; font-weight: 900; }
    .route-step h3 { margin: 0; color: var(--wine); font-size: 16px; }
    .route-step p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
    .news-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-item { display: grid; grid-template-columns: 102px 1fr auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); transition: padding .2s ease; }
    .news-item:hover { padding-left: 8px; }
    .news-date { color: var(--coral); font-size: 12px; font-weight: 900; }
    .news-item h3 { margin: 0; color: var(--wine); font-size: 17px; line-height: 1.4; }
    .news-item p { margin: 4px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .news-arrow { color: var(--coral); font-size: 22px; }
    .notice-panel { padding: 29px; border: 1px solid #dbb6ae; border-radius: var(--radius); background: #fff2ea; }
    .notice-panel h3 { margin: 0; color: var(--wine); font-size: 25px; line-height: 1.35; }
    .notice-panel p { margin: 12px 0 20px; color: #6d5156; font-size: 14px; }
    .notice-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
    .notice-list li { display: flex; gap: 9px; align-items: flex-start; color: #6d5156; font-size: 13px; }
    .notice-list i { flex: 0 0 auto; margin-top: 7px; width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }
    .cta-section { padding: 0 0 var(--section-space); }
    .cta-band { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 40px; border-radius: var(--radius); color: #fff; background: var(--wine-deep); box-shadow: var(--shadow-md); }
    .cta-band h2 { margin: 0; font-size: clamp(25px, 3vw, 37px); line-height: 1.3; }
    .cta-band p { max-width: 670px; margin: 10px 0 0; color: #e4c8d0; font-size: 14px; }
    .faq-layout { display: grid; grid-template-columns: .68fr 1.32fr; gap: 50px; }
    .faq-intro { position: sticky; top: 100px; align-self: start; }
    .faq-intro h2 { margin: 0; color: var(--wine-deep); font-size: 36px; line-height: 1.28; }
    .faq-intro p { margin: 14px 0 0; color: var(--ink-soft); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; border: 0; color: var(--wine); background: transparent; text-align: left; font-size: 16px; font-weight: 900; }
    .faq-icon { display: grid; width: 27px; height: 27px; flex: 0 0 auto; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--coral); font-size: 19px; font-weight: 400; transition: transform .2s ease, background .2s ease; }
    .faq-answer { display: none; padding: 0 44px 20px 0; color: var(--ink-soft); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-icon { color: #fff; background: var(--coral); transform: rotate(45deg); }
    .contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; }
    .contact-copy h2 { margin: 0; color: var(--wine-deep); font-size: 36px; line-height: 1.25; }
    .contact-copy p { margin: 15px 0 0; color: var(--ink-soft); font-size: 14px; }
    .contact-note { margin-top: 24px; padding: 17px; border-left: 3px solid var(--coral); color: #6d5156; background: #fff3ed; font-size: 13px; }
    .feedback-form { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .field { margin-bottom: 17px; }
    .field label { display: block; margin-bottom: 7px; color: var(--wine); font-size: 13px; font-weight: 800; }
    .field input, .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 6px;
      color: var(--ink);
      background: #fffdfc;
      padding: 12px 13px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea { min-height: 118px; resize: vertical; }
    .field input::placeholder, .field textarea::placeholder { color: #a69aa0; }
    .field input:focus, .field textarea:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(233,78,78,.12); outline: none; }
    .form-message { display: none; margin-top: 14px; padding: 10px 12px; border-radius: 6px; color: #24643a; background: #e8f7ec; font-size: 13px; }
    .form-message.show { display: block; }
    .site-footer { padding: 46px 0 25px; color: #e8cfd6; background: #21111a; }
    .footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 34px; padding-bottom: 36px; }
    .footer-brand { color: #fff; font-size: 18px; font-weight: 900; }
    .footer-brand span { color: #ffb496; }
    .footer-copy { max-width: 410px; margin: 13px 0 0; color: #bdabb0; font-size: 13px; }
    .footer-title { margin: 0 0 13px; color: #fff; font-size: 14px; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: #bdabb0; font-size: 13px; transition: color .2s ease; }
    .footer-links a:hover { color: #ffb496; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #95818a; font-size: 12px; }
    @media (max-width: 1024px) {
      :root { --section-space: 72px; }
      .hero-grid, .spotlight-grid, .news-grid, .contact-grid { grid-template-columns: 1fr; }
      .hero-poster { min-height: 260px; max-width: 560px; }
      .faq-layout { grid-template-columns: 1fr; gap: 30px; }
      .faq-intro { position: static; }
      .metrics { grid-template-columns: repeat(2, 1fr); }
      .path-grid, .route-layout { grid-template-columns: 1fr; }
      .section-head { align-items: start; flex-direction: column; }
      .footer-grid { grid-template-columns: 1.3fr 1fr; }
    }
    @media (max-width: 768px) {
      .site-container { width: min(calc(100% - 32px), var(--container)); }
      .nav-shell { min-height: 66px; }
      .brand { max-width: 235px; font-size: 13px; }
      .main-nav {
        position: absolute;
        top: 66px;
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 3px;
        padding: 14px 16px 18px;
        border-bottom: 1px solid var(--line);
        background: var(--cream);
        box-shadow: var(--shadow-sm);
      }
      .main-nav.open { display: flex; }
      .nav-link, .mega-trigger { width: 100%; justify-content: space-between; }
      .mega-wrap { width: 100%; }
      .mega-panel { position: static; display: none; width: 100%; margin-top: 6px; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
      .mega-wrap.open .mega-panel { display: block; }
      .mobile-toggle { display: grid; }
      .hero { min-height: auto; padding: 42px 0 72px; }
      .hero-topline { margin-bottom: 26px; }
      .hero-grid { gap: 34px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .btn { flex: 1 1 190px; }
      .hero-poster { min-height: 235px; }
      .poster-word { margin-top: 36px; font-size: 38px; }
      .countdown-inner, .cta-band { grid-template-columns: 1fr; }
      .countdown-units { justify-content: flex-start; }
      .feature-main { min-height: 320px; padding: 25px; }
      .mini-feature { grid-template-columns: 92px 1fr; }
      .topic-row { grid-template-columns: 38px 1fr auto; gap: 10px; }
      .news-item { grid-template-columns: 76px 1fr auto; gap: 11px; }
      .form-row { grid-template-columns: 1fr; gap: 0; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 520px) {
      :root { --section-space: 58px; }
      .site-container { width: min(calc(100% - 26px), var(--container)); }
      .brand-mark { width: 31px; height: 31px; }
      .hero h1 { font-size: 35px; }
      .hero-topline { align-items: flex-start; flex-direction: column; gap: 12px; }
      .hero-numbers { gap: 13px; }
      .hero-number strong { font-size: 18px; }
      .hero-poster { min-height: 210px; padding: 18px; box-shadow: 12px 12px 0 rgba(233,78,78,.32); }
      .poster-word { font-size: 32px; }
      .countdown-inner { padding: 18px; }
      .time-unit { min-width: 46px; }
      .metrics { grid-template-columns: 1fr 1fr; }
      .metric { min-height: 145px; padding: 20px 15px; }
      .metric b { font-size: 29px; }
      .mini-feature { grid-template-columns: 76px 1fr; gap: 12px; padding: 12px; }
      .feature-main h3, .spotlight h3 { font-size: 24px; }
      .topic-row { padding: 14px 10px; }
      .topic-row p { display: none; }
      .news-item { grid-template-columns: 1fr auto; }
      .news-date { grid-column: 1 / -1; }
      .news-item p { font-size: 12px; }
      .cta-band { padding: 28px 22px; }
      .cta-band .btn { width: 100%; }
      .feedback-form { padding: 20px; }
      .footer-grid { grid-template-columns: 1fr; gap: 24px; }
      .footer-bottom { align-items: flex-start; flex-direction: column; }
    }

/* roulang page: category1 */
:root {
      --ink: #241f25;
      --ink-soft: #544c55;
      --wine: #4f1830;
      --wine-deep: #321020;
      --coral: #e94e4e;
      --coral-dark: #c9383d;
      --cream: #fffaf7;
      --paper: #ffffff;
      --mist: #f6efef;
      --line: #e7dcdc;
      --muted: #81757d;
      --focus: #ef6b56;
      --success: #39735d;
      --shadow-sm: 0 6px 20px rgba(61, 22, 37, .08);
      --shadow-md: 0 14px 34px rgba(61, 22, 37, .13);
      --radius: 8px;
      --container: 1180px;
      --section-space: 86px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-width: 320px;
      color: var(--ink);
      background: var(--cream);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      line-height: 1.75;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 3px solid var(--focus);
      outline-offset: 3px;
    }
    .site-container {
      width: min(calc(100% - 48px), var(--container));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(231, 220, 220, .9);
      background: rgba(255, 250, 247, .97);
      backdrop-filter: blur(12px);
    }
    .nav-shell {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      max-width: 310px;
      color: var(--wine-deep);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.25;
    }
    .brand-mark {
      display: grid;
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      place-items: center;
      border-radius: 7px;
      color: #fff;
      background: var(--coral);
      box-shadow: 0 5px 12px rgba(233, 78, 78, .28);
    }
    .main-nav { display: flex; align-items: center; gap: 8px; }
    .nav-link {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      padding: 0 13px;
      border-radius: 6px;
      color: var(--ink-soft);
      font-size: 14px;
      font-weight: 700;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }
    .nav-link:hover, .nav-link.active { color: var(--wine); background: #f5e5e7; }
    .nav-link:active { transform: translateY(1px); }
    .mega-wrap { position: relative; }
    .mega-trigger {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      gap: 7px;
      padding: 0 13px;
      border: 1px solid transparent;
      border-radius: 6px;
      color: var(--ink-soft);
      background: transparent;
      font-size: 14px;
      font-weight: 700;
      transition: all .2s ease;
    }
    .mega-trigger:hover, .mega-wrap:focus-within .mega-trigger {
      border-color: var(--line);
      background: #fff;
      color: var(--wine);
    }
    .mega-panel {
      position: absolute;
      top: calc(100% + 12px);
      right: 0;
      width: 360px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-md);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-6px);
      transition: all .2s ease;
    }
    .mega-wrap:hover .mega-panel,
    .mega-wrap:focus-within .mega-panel,
    .mega-wrap.open .mega-panel {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .mega-entry {
      display: block;
      padding: 13px;
      border-radius: 6px;
      transition: background .2s ease;
    }
    .mega-entry:hover { background: var(--mist); }
    .mega-entry strong { display: block; color: var(--wine); font-size: 14px; }
    .mega-entry span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }
    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 6px;
      color: var(--wine);
      background: #fff;
    }
    .category-hero {
      position: relative;
      overflow: hidden;
      padding: 66px 0 74px;
      color: #fff;
      background: var(--wine-deep);
    }
    .category-hero::before {
      position: absolute;
      inset: 0;
      content: "";
      opacity: .3;
      background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size: 38px 38px;
    }
    .hero-inner { position: relative; z-index: 1; }
    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 34px;
      color: #e7bdc8;
      font-size: 13px;
    }
    .breadcrumb a:hover { color: #fff; }
    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 58px;
      align-items: end;
    }
    .eyebrow, .section-kicker, .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 12px;
      font-weight: 800;
    }
    .eyebrow {
      padding: 6px 10px;
      border: 1px solid rgba(255,255,255,.26);
      border-radius: 99px;
      color: #ffe8dc;
      background: rgba(255,255,255,.08);
    }
    .category-hero h1 {
      max-width: 780px;
      margin: 18px 0 0;
      font-size: clamp(36px, 5vw, 64px);
      font-weight: 900;
      line-height: 1.16;
    }
    .hero-copy {
      max-width: 740px;
      margin: 22px 0 0;
      color: #f5dce2;
      font-size: 17px;
      line-height: 1.9;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .btn {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 19px;
      border: 1px solid transparent;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn:disabled { cursor: not-allowed; opacity: .55; transform: none; }
    .btn-primary {
      color: #fff;
      background: var(--coral);
      box-shadow: 0 8px 20px rgba(233,78,78,.25);
    }
    .btn-primary:hover { background: var(--coral-dark); box-shadow: 0 12px 24px rgba(233,78,78,.35); }
    .btn-light {
      border-color: rgba(255,255,255,.36);
      color: #fff;
      background: transparent;
    }
    .btn-light:hover { border-color: #fff; background: rgba(255,255,255,.1); }
    .hero-preview {
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: var(--radius);
      background: #4c1e38;
      box-shadow: var(--shadow-md);
    }
    .preview-image {
      height: 285px;
      object-fit: cover;
      width: 100%;
      background: #7d4052;
    }
    .preview-info { padding: 17px; }
    .preview-info strong { display: block; font-size: 17px; }
    .preview-info span { display: block; margin-top: 5px; color: #e8c8d1; font-size: 13px; }
    .section { padding: var(--section-space) 0; }
    .section-mist { background: var(--mist); }
    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }
    .section-kicker { color: var(--coral-dark); text-transform: uppercase; }
    .section-title {
      margin: 8px 0 0;
      color: var(--wine-deep);
      font-size: clamp(26px, 3vw, 42px);
      font-weight: 900;
      line-height: 1.25;
    }
    .section-intro {
      max-width: 570px;
      margin: 10px 0 0;
      color: var(--ink-soft);
      font-size: 15px;
    }
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 15px 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }
    .filter-group { display: flex; flex-wrap: wrap; gap: 8px; }
    .filter-chip {
      min-height: 36px;
      padding: 0 13px;
      border: 1px solid var(--line);
      border-radius: 6px;
      color: var(--ink-soft);
      background: #fff;
      font-size: 13px;
      font-weight: 700;
      transition: all .2s ease;
    }
    .filter-chip:hover, .filter-chip.active {
      border-color: var(--coral);
      color: var(--coral-dark);
      background: #fff1ed;
    }
    .sort-label { color: var(--muted); font-size: 13px; }
    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 290px;
      gap: 28px;
      margin-top: 30px;
    }
    .feature-list { display: grid; gap: 18px; }
    .feature-item {
      display: grid;
      grid-template-columns: 220px minmax(0, 1fr);
      gap: 22px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .feature-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .feature-thumb {
      width: 100%;
      height: 156px;
      object-fit: cover;
      border-radius: 6px;
      background: #ead7d5;
    }
    .tag {
      padding: 4px 8px;
      border-radius: 4px;
      color: var(--coral-dark);
      background: #fff0ed;
      font-size: 11px;
    }
    .feature-item h3 {
      margin: 10px 0 6px;
      color: var(--wine);
      font-size: 21px;
      line-height: 1.4;
    }
    .feature-item p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
    .item-meta { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 13px; color: var(--muted); font-size: 12px; }
    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 15px;
      color: var(--coral-dark);
      font-size: 13px;
      font-weight: 800;
    }
    .text-link:hover { color: var(--wine); }
    .side-panel {
      align-self: start;
      padding: 22px;
      border-top: 4px solid var(--coral);
      background: var(--wine-deep);
      color: #fff;
      box-shadow: var(--shadow-md);
    }
    .side-panel h3 { margin: 0; font-size: 20px; }
    .side-panel p { margin: 10px 0 18px; color: #e9cfd5; font-size: 13px; }
    .side-list { margin: 0; padding: 0; list-style: none; }
    .side-list li { border-top: 1px solid rgba(255,255,255,.15); }
    .side-list a {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 13px 0;
      color: #f7e8e9;
      font-size: 13px;
    }
    .side-list a:hover { color: #fff; }
    .side-list span { color: #e98b83; }
    .numbers {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .number-block { padding: 24px 20px; border-right: 1px solid var(--line); }
    .number-block:last-child { border-right: 0; }
    .number-value { color: var(--wine); font-size: 35px; font-weight: 900; line-height: 1; }
    .number-label { margin-top: 9px; color: var(--ink-soft); font-size: 13px; }
    .route-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 42px;
      align-items: start;
    }
    .route-note {
      padding: 27px;
      border-left: 4px solid var(--coral);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }
    .route-note h3 { margin: 0; color: var(--wine); font-size: 22px; }
    .route-note p { margin: 12px 0 0; color: var(--ink-soft); font-size: 14px; }
    .route-list { display: grid; gap: 12px; }
    .route-row {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 15px;
      align-items: center;
      padding: 15px 0;
      border-bottom: 1px solid var(--line);
    }
    .route-num {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: var(--coral);
      font-size: 13px;
      font-weight: 800;
    }
    .route-row strong { color: var(--wine); font-size: 15px; }
    .route-row small { display: block; color: var(--muted); font-size: 12px; }
    .route-status { color: var(--success); font-size: 12px; font-weight: 800; }
    .faq-grid { max-width: 880px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      display: flex;
      width: 100%;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 20px 0;
      border: 0;
      color: var(--wine);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }
    .faq-icon { color: var(--coral); font-size: 24px; font-weight: 400; }
    .faq-answer { display: none; max-width: 760px; padding: 0 44px 20px 0; color: var(--ink-soft); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .cta-band {
      padding: 48px;
      border-radius: var(--radius);
      color: #fff;
      background: var(--wine);
      box-shadow: var(--shadow-md);
    }
    .cta-grid { display: grid; grid-template-columns: 1fr 390px; gap: 42px; align-items: center; }
    .cta-band h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.3; }
    .cta-band p { margin: 13px 0 0; color: #efd9de; font-size: 14px; }
    .feedback-form { display: grid; gap: 11px; }
    .feedback-form label { color: #ffecee; font-size: 12px; font-weight: 700; }
    .feedback-form input, .feedback-form textarea {
      width: 100%;
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 6px;
      padding: 11px 13px;
      color: #fff;
      background: rgba(255,255,255,.1);
    }
    .feedback-form input::placeholder, .feedback-form textarea::placeholder { color: #dcbec6; }
    .feedback-form textarea { min-height: 94px; resize: vertical; }
    .form-message { min-height: 22px; color: #ffd6c8; font-size: 12px; }
    .site-footer { padding: 54px 0 22px; color: #ead6dc; background: var(--wine-deep); }
    .footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .8fr; gap: 40px; }
    .footer-brand { color: #fff; font-size: 18px; font-weight: 900; }
    .footer-brand span { color: #e98b83; font-size: 12px; font-weight: 700; }
    .footer-copy { max-width: 480px; margin: 14px 0 0; color: #cdaeb8; font-size: 13px; line-height: 1.8; }
    .footer-title { margin: 0 0 12px; color: #fff; font-size: 14px; }
    .footer-links { display: grid; gap: 7px; }
    .footer-links a { color: #cdaeb8; font-size: 13px; }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: 42px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.14);
      color: #ae8e9a;
      font-size: 12px;
    }
    @media (max-width: 900px) {
      :root { --section-space: 66px; }
      .hero-layout, .route-grid, .cta-grid { grid-template-columns: 1fr; }
      .hero-preview { max-width: 470px; }
      .content-layout { grid-template-columns: 1fr; }
      .side-panel { order: -1; }
      .numbers { grid-template-columns: repeat(2, 1fr); }
      .number-block:nth-child(2) { border-right: 0; }
      .number-block:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    }
    @media (max-width: 700px) {
      .site-container { width: min(calc(100% - 32px), var(--container)); }
      .nav-shell { min-height: 66px; }
      .mobile-toggle { display: grid; }
      .main-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        display: none;
        padding: 12px 16px 18px;
        border-bottom: 1px solid var(--line);
        background: var(--cream);
        box-shadow: var(--shadow-md);
      }
      .main-nav.open { display: grid; }
      .nav-link, .mega-trigger { width: 100%; justify-content: space-between; }
      .mega-panel {
        position: static;
        display: none;
        width: 100%;
        margin-top: 5px;
        box-shadow: none;
      }
      .mega-wrap.open .mega-panel { display: block; opacity: 1; visibility: visible; transform: none; }
      .category-hero { padding: 44px 0 55px; }
      .hero-layout { gap: 32px; }
      .category-hero h1 { font-size: 38px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .btn { width: 100%; }
      .section-heading { display: block; }
      .feature-item { grid-template-columns: 1fr; gap: 14px; }
      .feature-thumb { height:157px; }
      .filter-bar { align-items: stretch; }
      .filter-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .filter-chip { width: 100%; }
      .sort-label { display: block; }
      .numbers { display: grid; grid-template-columns: repeat(2, 1fr); }
      .number-block { padding: 20px 14px; }
      .number-value { font-size: 29px; }
      .route-row { grid-template-columns: 34px 1fr; }
      .route-status { grid-column: 2; }
      .cta-band { padding: 30px 22px; }
      .footer-grid { grid-template-columns: 1fr; gap: 27px; }
      .footer-bottom { display: grid; gap: 5px; margin-top: 30px; }
    }
    @media (max-width: 420px) {
      .brand { max-width: 240px; font-size: 14px; }
      .brand-mark { width: 31px; height: 31px; }
      .category-hero h1 { font-size: 33px; }
      .filter-group { grid-template-columns: 1fr; }
      .preview-image { height: 230px; }
    }