/* roulang page: index */
:root {
      --bg: #07090c;
      --bg-soft: #0d1117;
      --panel: #10161f;
      --panel-2: #141b26;
      --panel-light: #f4f7f8;
      --text: #f4f8f8;
      --text-dark: #111820;
      --muted: #a9b6bd;
      --muted-dark: #52606a;
      --line: rgba(185, 255, 239, .18);
      --line-strong: rgba(33, 255, 206, .55);
      --accent: #21ffce;
      --accent-2: #c8f54a;
      --accent-3: #ff4fa3;
      --warning: #ffcb5b;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow: 0 20px 60px rgba(0, 0, 0, .36);
      --shadow-soft: 0 12px 36px rgba(0, 0, 0, .18);
      --container: 1220px;
      --nav-h: 78px;
      --bottom-bar: 78px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      padding-bottom: calc(var(--bottom-bar) + env(safe-area-inset-bottom));
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
      color: var(--text);
      background:
        linear-gradient(90deg, rgba(33,255,206,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(33,255,206,.045) 1px, transparent 1px),
        radial-gradient(circle at 10% 0%, rgba(33,255,206,.14), transparent 28%),
        radial-gradient(circle at 90% 16%, rgba(255,79,163,.10), transparent 26%),
        var(--bg);
      background-size: 44px 44px, 44px 44px, auto, auto, auto;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    .site-wrap {
      min-height: 100vh;
    }

    .shell {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 14px;
      z-index: 50;
      padding: 14px 0 0;
    }

    .nav-panel {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(13, 17, 23, .92);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(14px);
    }

    .brand {
      min-width: 220px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: 0;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: inline-grid;
      place-items: center;
      color: #06100e;
      font-weight: 900;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 22px rgba(33, 255, 206, .26);
    }

    .brand-text {
      display: inline-block;
      max-width: 260px;
      font-size: 15px;
      line-height: 1.25;
      word-break: break-word;
    }

    .menu-card {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      list-style: none;
    }

    .menu-card li {
      margin: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 9px 12px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 8px;
      color: var(--muted);
      background: rgba(255,255,255,.035);
      font-size: 14px;
      white-space: nowrap;
    }

    .nav-link::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(169, 182, 189, .55);
      box-shadow: 0 0 0 rgba(33,255,206,0);
      transition: background .2s ease, box-shadow .2s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(33,255,206,.08);
      transform: translateY(-1px);
    }

    .nav-link:hover::before,
    .nav-link.active::before {
      background: var(--accent);
      box-shadow: 0 0 12px rgba(33,255,206,.65);
    }

    .nav-cta {
      flex: 0 0 auto;
      padding: 11px 16px;
    }

    .mobile-toggle {
      display: none;
      margin-left: auto;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
      color: var(--text);
      border-radius: 8px;
      width: 44px;
      height: 44px;
      cursor: pointer;
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 2px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 8px;
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1.2;
      cursor: pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }

    .btn-primary {
      color: #06100e;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 10px 28px rgba(33,255,206,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #06100e;
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(33,255,206,.28);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.04);
      border-color: var(--line);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--accent);
      border-color: var(--line-strong);
      background: rgba(33,255,206,.07);
      transform: translateY(-2px);
    }

    .btn-small {
      min-height: 36px;
      padding: 8px 12px;
      font-size: 13px;
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(33,255,206,.34);
      outline-offset: 2px;
    }

    main {
      padding-top: 34px;
    }

    section {
      position: relative;
      margin: 0;
    }

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

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 26px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(33,255,206,.6);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 980px;
      font-size: clamp(30px, 5vw, 56px);
      line-height: 1.12;
      font-weight: 850;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    h2 {
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.18;
      font-weight: 820;
      letter-spacing: 0;
      margin-bottom: 10px;
    }

    h3 {
      font-size: 20px;
      line-height: 1.32;
      font-weight: 800;
      letter-spacing: 0;
      margin-bottom: 10px;
    }

    .lead {
      max-width: 780px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.75;
      margin-bottom: 0;
    }

    .hero {
      padding: 32px 0 64px;
    }

    .coupon-stage {
      position: relative;
      min-height: 560px;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.07), transparent 38%),
        linear-gradient(180deg, rgba(16,22,31,.98), rgba(8,11,16,.98));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .coupon-stage::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(33,255,206,.12);
      border-radius: 10px;
      pointer-events: none;
    }

    .coupon-grid {
      position: absolute;
      inset: auto 22px 22px 22px;
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
      opacity: .82;
    }

    .mini-coupon {
      min-height: 74px;
      padding: 10px;
      border-radius: 8px;
      border: 1px dashed rgba(33,255,206,.26);
      background: rgba(255,255,255,.035);
      color: var(--muted);
      font-size: 12px;
    }

    .mini-coupon strong {
      display: block;
      color: var(--text);
      font-size: 14px;
      margin-bottom: 2px;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
      align-items: center;
      min-height: 470px;
    }

    .hero-copy {
      padding: 18px 0 92px;
    }

    .hero-copy .lead {
      max-width: 700px;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 24px 0 18px;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .badge,
    .chip,
    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: rgba(255,255,255,.04);
      font-size: 12px;
      font-weight: 750;
      line-height: 1.1;
      padding: 8px 10px;
    }

    .status::before,
    .badge::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(33,255,206,.65);
    }

    .hero-coupon {
      align-self: stretch;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .main-ticket {
      width: min(100%, 410px);
      padding: 24px;
      border-radius: 12px;
      color: var(--text-dark);
      background:
        linear-gradient(90deg, transparent 0 12px, rgba(0,0,0,.08) 12px 14px, transparent 14px),
        linear-gradient(135deg, #effffb, #c8f54a);
      box-shadow: 0 30px 80px rgba(33,255,206,.16);
      position: relative;
      overflow: hidden;
    }

    .main-ticket::after {
      content: "";
      position: absolute;
      right: -42px;
      top: -42px;
      width: 110px;
      height: 110px;
      border-radius: 50%;
      border: 18px solid rgba(7,9,12,.10);
    }

    .ticket-label {
      display: inline-flex;
      padding: 6px 9px;
      border-radius: 999px;
      background: rgba(7,9,12,.12);
      color: #192117;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .ticket-title {
      font-size: 32px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .ticket-copy {
      color: rgba(17,24,32,.78);
      font-weight: 650;
      margin-bottom: 18px;
    }

    .ticket-fields {
      display: grid;
      gap: 8px;
      margin-bottom: 20px;
    }

    .ticket-field {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(7,9,12,.14);
      color: rgba(17,24,32,.78);
      font-size: 14px;
    }

    .ticket-field strong {
      color: var(--text-dark);
    }

    .ticket-btn {
      width: 100%;
      color: var(--text);
      background: #07090c;
      border-color: #07090c;
    }

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

    .card {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.028));
      box-shadow: none;
      color: var(--text);
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .card:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: 0 16px 46px rgba(0,0,0,.22);
      background: linear-gradient(180deg, rgba(33,255,206,.08), rgba(255,255,255,.035));
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .feature-card {
      padding: 20px;
    }

    .feature-num {
      color: var(--accent);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 18px;
    }

    .feature-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .metric-band {
      border-block: 1px solid var(--line);
      background: rgba(255,255,255,.025);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      border-inline: 1px solid var(--line);
      background: var(--line);
    }

    .metric {
      min-height: 142px;
      padding: 22px;
      background: rgba(7,9,12,.92);
    }

    .metric strong {
      display: block;
      color: var(--accent);
      font-size: 34px;
      line-height: 1;
      margin-bottom: 10px;
    }

    .metric span {
      color: var(--muted);
      font-size: 14px;
    }

    .lead-panel {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 18px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(244,247,248,.96), rgba(224,236,235,.96));
      color: var(--text-dark);
      box-shadow: var(--shadow-soft);
    }

    .lead-panel .section-kicker,
    .lead-panel h2 {
      color: var(--text-dark);
    }

    .lead-panel .lead {
      color: var(--muted-dark);
    }

    .lead-notes {
      padding: 22px;
      border-radius: 8px;
      background: rgba(7,9,12,.06);
    }

    .note-list {
      display: grid;
      gap: 12px;
      margin: 22px 0 0;
    }

    .note-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px;
      border: 1px solid rgba(17,24,32,.12);
      border-radius: 8px;
      background: rgba(255,255,255,.42);
    }

    .note-item b {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      display: inline-grid;
      place-items: center;
      border-radius: 7px;
      background: var(--text-dark);
      color: var(--accent);
      font-size: 13px;
    }

    .pref-form {
      padding: 22px;
      border-radius: 8px;
      background: #0d1117;
      color: var(--text);
    }

    .pref-form label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .pref-form input,
    .pref-form select,
    .pref-form textarea {
      min-height: 46px;
      border-radius: 8px;
      border: 1px solid rgba(185,255,239,.18);
      background: rgba(255,255,255,.055);
      color: var(--text);
      box-shadow: none;
      margin-bottom: 14px;
    }

    .pref-form textarea {
      min-height: 104px;
      resize: vertical;
    }

    .pref-form input::placeholder,
    .pref-form textarea::placeholder {
      color: rgba(169,182,189,.66);
    }

    .pref-form input:focus,
    .pref-form select:focus,
    .pref-form textarea:focus {
      border-color: var(--accent);
      background: rgba(33,255,206,.06);
      box-shadow: 0 0 0 3px rgba(33,255,206,.14);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 18px;
    }

    .news-list,
    .recommend-box,
    .privacy-box,
    .update-box,
    .faq-box {
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(16,22,31,.78);
      overflow: hidden;
    }

    .news-link {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid rgba(185,255,239,.12);
    }

    .news-link:last-child {
      border-bottom: 0;
    }

    .news-link:hover {
      background: rgba(33,255,206,.055);
      transform: translateX(2px);
    }

    .news-time {
      color: var(--accent);
      font-size: 13px;
      font-weight: 850;
    }

    .news-link h3 {
      margin-bottom: 3px;
      font-size: 18px;
    }

    .news-link p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .arrow {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 8px;
      color: var(--accent);
    }

    .recommend-box {
      padding: 20px;
    }

    .recommend-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .recommend-item {
      padding: 14px;
      border-radius: 8px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.07);
    }

    .recommend-item strong {
      display: block;
      margin-bottom: 4px;
    }

    .recommend-item span {
      color: var(--muted);
      font-size: 13px;
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .privacy-box {
      padding: 24px;
    }

    .privacy-list {
      display: grid;
      gap: 12px;
      margin: 20px 0 0;
      padding: 0;
      list-style: none;
    }

    .privacy-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
    }

    .privacy-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 9px;
      flex: 0 0 9px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(33,255,206,.48);
    }

    .update-timeline {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .update-item {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 16px;
      padding: 16px;
      border-radius: 8px;
      border: 1px solid rgba(185,255,239,.12);
      background: rgba(255,255,255,.035);
    }

    .update-item time {
      color: var(--warning);
      font-weight: 850;
      font-size: 13px;
    }

    .update-item p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      border-bottom: 1px solid rgba(185,255,239,.13);
    }

    .accordion-item:last-child {
      border-bottom: 0;
    }

    .accordion-title {
      position: relative;
      padding: 18px 52px 18px 18px;
      border: 0;
      color: var(--text);
      background: transparent;
      font-size: 16px;
      font-weight: 800;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--accent);
      background: rgba(33,255,206,.055);
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -10px;
      color: var(--accent);
      font-size: 24px;
    }

    .accordion-content {
      border: 0;
      padding: 0 18px 18px;
      background: transparent;
      color: var(--muted);
    }

    .final-cta {
      padding: 32px;
      border-radius: 12px;
      border: 1px solid var(--line-strong);
      background:
        linear-gradient(135deg, rgba(33,255,206,.12), rgba(255,79,163,.07)),
        rgba(16,22,31,.88);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-soft);
    }

    .final-cta p {
      max-width: 680px;
      color: var(--muted);
      margin-bottom: 0;
    }

    .site-footer {
      padding: 46px 0 118px;
      border-top: 1px solid var(--line);
      background: rgba(3,5,8,.66);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 10px;
    }

    .footer-text,
    .copyright {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 0;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 10px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.08);
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent);
      border-color: var(--line-strong);
      background: rgba(33,255,206,.06);
    }

    .sticky-cta {
      position: fixed;
      left: 50%;
      bottom: 16px;
      z-index: 70;
      width: min(calc(100% - 32px), var(--container));
      transform: translateX(-50%);
      padding: 12px;
      border: 1px solid var(--line-strong);
      border-radius: 12px;
      background: rgba(7,9,12,.94);
      box-shadow: 0 16px 50px rgba(0,0,0,.42);
      backdrop-filter: blur(16px);
    }

    .sticky-inner {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 14px;
      align-items: center;
    }

    .sticky-title {
      font-weight: 900;
      line-height: 1.25;
    }

    .sticky-sub {
      color: var(--muted);
      font-size: 13px;
    }

    .sticky-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }

    @media screen and (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        min-width: 0;
        flex: 1;
      }

      .mobile-toggle {
        display: inline-block;
      }

      .nav-cta {
        display: none;
      }

      .menu-card {
        width: 100%;
        flex: 0 0 100%;
        display: none;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .menu-card.is-open {
        display: grid;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .hero-content,
      .lead-panel,
      .news-layout,
      .privacy-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        padding-bottom: 24px;
      }

      .coupon-grid {
        position: relative;
        inset: auto;
        margin-top: 18px;
        grid-template-columns: repeat(3, 1fr);
      }

      .coupon-stage {
        min-height: auto;
      }

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

      .footer-links {
        justify-content: flex-start;
      }

      .sticky-inner {
        grid-template-columns: 1fr auto;
      }

      .sticky-tags {
        display: none;
      }
    }

    @media screen and (max-width: 768px) {
      :root {
        --bottom-bar: 88px;
      }

      body {
        background-size: 34px 34px, 34px 34px, auto, auto, auto;
      }

      .site-header {
        top: 8px;
      }

      .shell {
        width: min(calc(100% - 24px), var(--container));
      }

      .brand-text {
        max-width: 190px;
        font-size: 14px;
      }

      .menu-card {
        grid-template-columns: 1fr;
      }

      main {
        padding-top: 22px;
      }

      .section-pad {
        padding: 54px 0;
      }

      .section-head {
        display: block;
      }

      .coupon-stage {
        padding: 18px;
      }

      .hero {
        padding-bottom: 46px;
      }

      .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
      }

      .btn {
        width: 100%;
      }

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

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

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

      .metric {
        min-height: auto;
      }

      .news-link {
        grid-template-columns: 1fr auto;
      }

      .news-time {
        grid-column: 1 / -1;
      }

      .update-item {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .final-cta {
        display: block;
        padding: 22px;
      }

      .final-cta .btn {
        margin-top: 18px;
      }

      .sticky-cta {
        width: 100%;
        left: 0;
        bottom: 0;
        transform: none;
        border-radius: 12px 12px 0 0;
        padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
      }

      .sticky-inner {
        grid-template-columns: 1fr auto;
        gap: 10px;
      }

      .sticky-title {
        font-size: 14px;
      }

      .sticky-sub {
        display: none;
      }

      .sticky-cta .btn {
        width: auto;
        min-height: 42px;
        padding-inline: 14px;
        white-space: nowrap;
      }
    }

    @media screen and (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .nav-panel {
        padding: 10px;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
      }

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

      .main-ticket {
        padding: 20px;
      }

      .news-link {
        grid-template-columns: 1fr;
      }

      .arrow {
        display: none;
      }

      .sticky-title {
        max-width: 190px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #070a0a;
      --bg-soft: #0d1211;
      --panel: #111817;
      --panel-2: #151d1b;
      --panel-light: #eef4f0;
      --text: #f3f7f4;
      --text-dark: #121615;
      --muted: #a7b5af;
      --muted-dark: #4b5954;
      --line: rgba(200, 255, 232, .16);
      --line-strong: rgba(80, 255, 190, .42);
      --accent: #42f5b6;
      --accent-2: #b57cff;
      --warn: #ffcc66;
      --rose: #ff5d9a;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow: 0 18px 50px rgba(0, 0, 0, .35);
      --glow: 0 0 0 1px rgba(66, 245, 182, .18), 0 0 28px rgba(66, 245, 182, .08);
      --space-section: 84px;
      --bottom-bar: 82px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      padding-bottom: calc(var(--bottom-bar) + env(safe-area-inset-bottom));
      background:
        linear-gradient(90deg, rgba(66, 245, 182, .035) 1px, transparent 1px),
        linear-gradient(0deg, rgba(66, 245, 182, .028) 1px, transparent 1px),
        radial-gradient(circle at 70% 12%, rgba(181, 124, 255, .12), transparent 34%),
        linear-gradient(180deg, #070a0a 0%, #0a0f0e 46%, #080a0a 100%);
      background-size: 34px 34px, 34px 34px, auto, auto;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .shell {
      width: min(1220px, calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 18px 0 10px;
      backdrop-filter: blur(14px);
      background: linear-gradient(180deg, rgba(7, 10, 10, .94), rgba(7, 10, 10, .66));
    }

    .nav-panel {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(17, 24, 23, .96), rgba(11, 16, 15, .96));
      box-shadow: var(--shadow), var(--glow);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 250px;
      padding: 8px 10px;
      border-radius: var(--radius);
      color: var(--text);
    }

    .brand:hover {
      background: rgba(255, 255, 255, .04);
      color: var(--text);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border: 1px solid var(--line-strong);
      border-radius: 8px;
      background: #06110e;
      color: var(--accent);
      font-weight: 800;
      box-shadow: inset 0 0 18px rgba(66, 245, 182, .12);
    }

    .brand-text {
      font-size: 17px;
      font-weight: 800;
      line-height: 1.25;
      word-break: break-word;
    }

    .menu.nav-menu {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin: 0;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 9px 13px;
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: 8px;
      background: rgba(255, 255, 255, .035);
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      border-color: var(--line-strong);
      background: rgba(66, 245, 182, .08);
      color: var(--text);
      transform: translateY(-1px);
      outline: none;
    }

    .nav-link.active {
      border-color: rgba(66, 245, 182, .62);
      background: rgba(66, 245, 182, .14);
      color: var(--accent);
      box-shadow: inset 0 0 20px rgba(66, 245, 182, .06);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border: 1px solid transparent;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 800;
      line-height: 1.2;
      transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .btn-primary {
      background: var(--accent);
      color: #03100c;
      border-color: var(--accent);
      box-shadow: 0 10px 26px rgba(66, 245, 182, .18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: #07110f;
      color: var(--accent);
      border-color: var(--accent);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .035);
      color: var(--text);
      border-color: rgba(255, 255, 255, .14);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(181, 124, 255, .1);
      border-color: rgba(181, 124, 255, .55);
      color: var(--text);
      transform: translateY(-2px);
      outline: none;
    }

    .nav-cta {
      white-space: nowrap;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      margin-left: auto;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .04);
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: var(--text);
      transition: transform .2s ease, opacity .2s ease;
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    main {
      overflow: hidden;
    }

    .category-head {
      padding: 56px 0 34px;
    }

    .head-panel {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
      gap: 24px;
      align-items: stretch;
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(66, 245, 182, .09), transparent 28%),
        linear-gradient(180deg, rgba(18, 26, 24, .96), rgba(10, 14, 14, .96));
      box-shadow: var(--shadow);
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      text-transform: none;
    }

    .kicker::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 16px rgba(66, 245, 182, .65);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 820px;
      margin-bottom: 16px;
      font-size: clamp(30px, 5vw, 52px);
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
      word-break: break-word;
    }

    .lead {
      max-width: 760px;
      margin-bottom: 22px;
      color: #d7e3dd;
      font-size: 17px;
      line-height: 1.75;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 20px 0 0;
    }

    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 6px 10px;
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 999px;
      background: rgba(255, 255, 255, .045);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .chip.is-on,
    .badge.hot {
      border-color: rgba(66, 245, 182, .45);
      color: var(--accent);
      background: rgba(66, 245, 182, .08);
    }

    .badge.warn {
      border-color: rgba(255, 204, 102, .45);
      color: var(--warn);
      background: rgba(255, 204, 102, .07);
    }

    .vertical-preview {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      min-height: 260px;
    }

    .preview-strip {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 10px;
      background:
        linear-gradient(180deg, rgba(238, 244, 240, .12), rgba(66, 245, 182, .06)),
        #0b1110;
      padding: 14px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .preview-strip:nth-child(2) {
      transform: translateY(18px);
      border-color: rgba(181, 124, 255, .36);
    }

    .preview-strip:nth-child(3) {
      transform: translateY(8px);
      border-color: rgba(255, 204, 102, .32);
    }

    .preview-strip::after {
      content: "";
      position: absolute;
      inset: auto 12px 12px 12px;
      height: 4px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--accent), rgba(181, 124, 255, .78));
    }

    .preview-label {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .preview-title {
      color: var(--text);
      font-size: 18px;
      font-weight: 800;
      line-height: 1.3;
      word-break: break-word;
    }

    .section {
      padding: var(--space-section) 0;
    }

    .section.tight {
      padding-top: 44px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 26px;
    }

    .section-head h2 {
      margin-bottom: 0;
      font-size: clamp(26px, 3.3vw, 34px);
      line-height: 1.18;
      font-weight: 800;
    }

    .section-head p {
      max-width: 570px;
      margin-bottom: 0;
      color: var(--muted);
    }

    .console-layout {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 22px;
      align-items: start;
    }

    .filter-panel,
    .info-panel,
    .entry-item,
    .notice-panel,
    .faq-wrap,
    .claim-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(19, 28, 26, .96), rgba(10, 15, 14, .96));
      box-shadow: var(--glow);
    }

    .filter-panel {
      position: sticky;
      top: 112px;
      padding: 18px;
    }

    .filter-title {
      margin-bottom: 14px;
      color: var(--text);
      font-size: 18px;
      font-weight: 800;
    }

    .filter-group {
      padding: 15px 0;
      border-top: 1px solid var(--line);
    }

    .filter-group:first-of-type {
      border-top: 0;
      padding-top: 4px;
    }

    .filter-label {
      display: block;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-btn {
      padding: 7px 10px;
      border: 1px solid rgba(255, 255, 255, .11);
      border-radius: 999px;
      background: rgba(255, 255, 255, .035);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      transition: transform .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
    }

    .filter-btn:hover,
    .filter-btn:focus-visible,
    .filter-btn.active {
      border-color: var(--line-strong);
      background: rgba(66, 245, 182, .08);
      color: var(--accent);
      transform: translateY(-1px);
      outline: none;
    }

    .filter-note {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .entry-list {
      display: grid;
      gap: 14px;
    }

    .entry-item {
      display: grid;
      grid-template-columns: 58px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .entry-item:hover {
      transform: translateY(-2px);
      border-color: rgba(66, 245, 182, .42);
      background: linear-gradient(180deg, rgba(28, 38, 35, .98), rgba(12, 18, 16, .98));
    }

    .entry-icon {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(66, 245, 182, .36);
      border-radius: 8px;
      background: rgba(66, 245, 182, .07);
      color: var(--accent);
      font-size: 22px;
      font-weight: 900;
    }

    .entry-content h3 {
      margin-bottom: 6px;
      color: var(--text);
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
      word-break: break-word;
    }

    .entry-content p {
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.65;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mini-btn {
      min-width: 94px;
      padding: 10px 13px;
      min-height: 40px;
      font-size: 14px;
    }

    .info-panel {
      padding: 22px;
    }

    .info-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 18px;
      align-items: stretch;
    }

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

    .rule-list li {
      display: flex;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px solid var(--line);
      color: #d8e5df;
    }

    .rule-list li:last-child {
      border-bottom: 0;
    }

    .rule-index {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      background: rgba(66, 245, 182, .11);
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
    }

    .compare-box {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(255, 255, 255, .025);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 120px minmax(0, 1fr);
      border-bottom: 1px solid var(--line);
    }

    .compare-row:last-child {
      border-bottom: 0;
    }

    .compare-key,
    .compare-value {
      padding: 13px 14px;
      font-size: 14px;
    }

    .compare-key {
      color: var(--accent);
      font-weight: 800;
      background: rgba(66, 245, 182, .055);
    }

    .compare-value {
      color: #d7e3dd;
    }

    .notice-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .notice-panel {
      padding: 18px;
    }

    .notice-panel strong {
      display: block;
      margin-bottom: 8px;
      color: var(--text);
      font-size: 17px;
    }

    .notice-panel p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .claim-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 26px;
      background:
        linear-gradient(90deg, rgba(66, 245, 182, .12), transparent 42%),
        linear-gradient(180deg, rgba(19, 28, 26, .96), rgba(10, 15, 14, .96));
    }

    .claim-panel h2 {
      margin-bottom: 10px;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.2;
      font-weight: 800;
    }

    .claim-panel p {
      max-width: 720px;
      margin-bottom: 0;
      color: var(--muted);
    }

    .faq-wrap {
      padding: 10px;
    }

    .accordion {
      margin: 0;
      background: transparent;
    }

    .accordion-item {
      border-bottom: 1px solid var(--line);
    }

    .accordion-item:last-child {
      border-bottom: 0;
    }

    .accordion-title {
      position: relative;
      padding: 18px 48px 18px 16px;
      border: 0;
      background: transparent;
      color: var(--text);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.45;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(66, 245, 182, .045);
      color: var(--accent);
    }

    .accordion-title::before {
      right: 18px;
      color: var(--accent);
      font-size: 20px;
      transition: transform .2s ease;
    }

    .is-active > .accordion-title::before {
      transform: rotate(45deg);
    }

    .accordion-content {
      padding: 0 16px 18px;
      border: 0;
      background: transparent;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .bottom-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
      border-top: 1px solid rgba(66, 245, 182, .22);
      background: rgba(7, 10, 10, .92);
      backdrop-filter: blur(18px);
      box-shadow: 0 -18px 40px rgba(0, 0, 0, .34);
    }

    .bottom-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 14px;
      align-items: center;
    }

    .bottom-title {
      color: var(--text);
      font-weight: 800;
      line-height: 1.35;
    }

    .bottom-title span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .bottom-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .site-footer {
      padding: 58px 0 42px;
      border-top: 1px solid var(--line);
      background: #050706;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      margin-bottom: 12px;
      color: var(--text);
      font-size: 20px;
      font-weight: 900;
    }

    .footer-text {
      max-width: 680px;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .copyright {
      margin-bottom: 0;
      color: #75827d;
      font-size: 13px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      min-width: 190px;
    }

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

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--accent);
      outline: none;
    }

    @media (max-width: 1024px) {
      :root {
        --space-section: 66px;
      }

      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        min-width: auto;
        flex: 1;
      }

      .mobile-toggle {
        display: block;
      }

      .menu.nav-menu,
      .nav-cta {
        display: none;
      }

      .nav-panel.is-open .menu.nav-menu {
        order: 4;
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
      }

      .nav-panel.is-open .nav-cta {
        order: 5;
        width: 100%;
        display: inline-flex;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
        white-space: normal;
        text-align: center;
      }

      .head-panel,
      .console-layout,
      .info-grid {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: static;
      }

      .vertical-preview {
        min-height: 210px;
      }

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

    @media (max-width: 768px) {
      body {
        padding-bottom: calc(112px + env(safe-area-inset-bottom));
      }

      .shell {
        width: min(100% - 22px, 1220px);
      }

      .site-header {
        padding-top: 10px;
      }

      .nav-panel {
        padding: 10px;
      }

      .brand-text {
        font-size: 15px;
      }

      .nav-panel.is-open .menu.nav-menu {
        grid-template-columns: 1fr;
      }

      .category-head {
        padding: 32px 0 22px;
      }

      .head-panel {
        padding: 20px;
      }

      .lead {
        font-size: 15.5px;
      }

      .vertical-preview {
        grid-template-columns: 1fr;
        min-height: auto;
      }

      .preview-strip,
      .preview-strip:nth-child(2),
      .preview-strip:nth-child(3) {
        min-height: 120px;
        transform: none;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 10px;
      }

      .entry-item {
        grid-template-columns: 44px minmax(0, 1fr);
      }

      .entry-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
      }

      .entry-item .mini-btn {
        grid-column: 1 / -1;
        width: 100%;
      }

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

      .compare-key {
        border-bottom: 1px solid var(--line);
      }

      .claim-panel {
        grid-template-columns: 1fr;
        padding: 20px;
      }

      .claim-panel .btn {
        width: 100%;
      }

      .bottom-inner {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .bottom-tags {
        display: none;
      }

      .bottom-inner .btn {
        width: 100%;
      }

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

    @media (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .btn {
        width: 100%;
      }

      .chip-row {
        gap: 7px;
      }

      .chip,
      .badge {
        font-size: 12px;
      }

      .section {
        padding: 50px 0;
      }

      .entry-content h3 {
        font-size: 18px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08090b;
      --bg-soft: #101217;
      --panel: #151820;
      --panel-2: #1b1f29;
      --panel-light: #f4f7f8;
      --text: #f5f8fa;
      --text-dark: #101318;
      --muted: #a8b2bd;
      --muted-dark: #5e6873;
      --line: rgba(255, 255, 255, 0.12);
      --line-strong: rgba(32, 245, 207, 0.42);
      --primary: #20f5cf;
      --primary-2: #a78bfa;
      --accent: #ff4fa3;
      --amber: #f7c94b;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
      --glow: 0 0 0 1px rgba(32, 245, 207, 0.2), 0 0 28px rgba(32, 245, 207, 0.12);
      --container: 1200px;
      --safe-bottom: calc(88px + env(safe-area-inset-bottom));
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      margin: 0;
      min-height: 100vh;
      padding-bottom: var(--safe-bottom);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.7;
      background:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
        radial-gradient(circle at 18% 0%, rgba(32, 245, 207, 0.14), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(167, 139, 250, 0.12), transparent 30%),
        var(--bg);
      background-size: 34px 34px, 34px 34px, auto, auto, auto;
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .shell {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 18px 0 10px;
      background: linear-gradient(180deg, rgba(8, 9, 11, 0.96), rgba(8, 9, 11, 0.72) 72%, transparent);
      backdrop-filter: blur(12px);
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 14px;
      min-height: 72px;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(18, 21, 28, 0.92);
      box-shadow: var(--shadow);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 236px;
      padding: 9px 12px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .brand:hover {
      transform: translateY(-1px);
      border-color: var(--line-strong);
      color: var(--text);
    }

    .brand-mark {
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border-radius: 7px;
      color: #06110f;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), #d7fff7);
      box-shadow: 0 0 20px rgba(32, 245, 207, 0.28);
      flex: 0 0 auto;
    }

    .brand-text {
      font-weight: 800;
      font-size: 15px;
      line-height: 1.25;
      color: var(--text);
      overflow-wrap: anywhere;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex: 1;
      margin: 0;
      list-style: none;
    }

    .nav-menu li {
      margin: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 8px 13px;
      border-radius: var(--radius);
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.035);
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link.active {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(32, 245, 207, 0.11);
      box-shadow: var(--glow);
      outline: none;
      transform: translateY(-1px);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 11px 18px;
      border-radius: var(--radius);
      border: 1px solid transparent;
      font-weight: 800;
      font-size: 15px;
      line-height: 1.2;
      transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
    }

    .btn-primary {
      color: #06110f;
      background: var(--primary);
      box-shadow: 0 12px 28px rgba(32, 245, 207, 0.18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      color: #06110f;
      background: #c9fff5;
      border-color: rgba(255, 255, 255, 0.55);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(255, 255, 255, 0.14);
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      color: var(--primary);
      border-color: var(--line-strong);
      background: rgba(32, 245, 207, 0.08);
      transform: translateY(-2px);
      outline: none;
    }

    .nav-cta {
      flex: 0 0 auto;
      white-space: nowrap;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      margin-left: auto;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.05);
    }

    .mobile-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: var(--text);
      border-radius: 2px;
      transition: transform .2s ease, opacity .2s ease;
    }

    .mobile-toggle.is-active span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .mobile-toggle.is-active span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    main {
      position: relative;
    }

    .section {
      padding: 82px 0;
    }

    .category-hero {
      padding: 58px 0 34px;
    }

    .title-panel {
      position: relative;
      overflow: hidden;
      padding: 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(32, 245, 207, 0.12), transparent 34%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025)),
        rgba(17, 20, 27, 0.92);
      box-shadow: var(--shadow);
    }

    .title-panel::after {
      content: "";
      position: absolute;
      inset: auto 24px 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--primary), var(--primary-2), transparent);
      opacity: .68;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 16px rgba(32, 245, 207, 0.9);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 900px;
      margin-bottom: 16px;
      font-size: clamp(30px, 4.3vw, 52px);
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
    }

    h2 {
      margin-bottom: 18px;
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    h3 {
      margin-bottom: 10px;
      font-size: 20px;
      line-height: 1.3;
      font-weight: 800;
    }

    .lead {
      max-width: 820px;
      margin-bottom: 20px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.04);
    }

    .chip.is-on,
    .badge.hot {
      color: #071210;
      background: var(--primary);
      border-color: var(--primary);
    }

    .badge.purple {
      color: #f4efff;
      border-color: rgba(167, 139, 250, 0.46);
      background: rgba(167, 139, 250, 0.13);
    }

    .badge.amber {
      color: #fff4cb;
      border-color: rgba(247, 201, 75, 0.5);
      background: rgba(247, 201, 75, 0.12);
    }

    .sort-panel {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 22px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.035);
    }

    .sort-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mini-button {
      min-height: 34px;
      padding: 7px 11px;
      border-radius: 7px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: var(--muted);
      background: rgba(255, 255, 255, 0.04);
      font-weight: 800;
      font-size: 13px;
    }

    .mini-button:hover,
    .mini-button:focus-visible,
    .mini-button.active {
      color: var(--primary);
      border-color: var(--line-strong);
      background: rgba(32, 245, 207, 0.08);
      outline: none;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: end;
      gap: 20px;
      margin-bottom: 28px;
    }

    .section-kicker {
      margin-bottom: 8px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .section-copy {
      max-width: 720px;
      margin-bottom: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .grid-cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .wide-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items: stretch;
    }

    .card {
      position: relative;
      overflow: hidden;
      min-height: 100%;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      color: var(--text);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .card::before {
      content: "";
      position: absolute;
      inset: 0;
      border-top: 2px solid rgba(32, 245, 207, 0.7);
      opacity: .44;
      pointer-events: none;
    }

    .card:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: var(--glow), 0 16px 46px rgba(0, 0, 0, 0.26);
      background: linear-gradient(180deg, rgba(32, 245, 207, 0.08), rgba(255, 255, 255, 0.028));
    }

    .card p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 18px;
    }

    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 14px;
    }

    .number {
      color: var(--primary);
      font-weight: 900;
      font-size: 13px;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .status::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 14px rgba(32, 245, 207, 0.7);
    }

    .link-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .link-cta::after {
      content: ">";
      transition: transform .2s ease;
    }

    .card:hover .link-cta::after {
      transform: translateX(3px);
    }

    .info-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(244, 247, 248, 0.96);
      color: var(--text-dark);
      box-shadow: var(--shadow);
    }

    .info-panel h2,
    .info-panel h3 {
      color: var(--text-dark);
    }

    .info-panel p,
    .info-panel .plain-list li {
      color: var(--muted-dark);
    }

    .plain-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .plain-list li {
      position: relative;
      padding-left: 26px;
      font-size: 15px;
    }

    .plain-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .68em;
      width: 11px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
      box-shadow: 0 0 12px rgba(32, 245, 207, 0.5);
    }

    .filter-stack {
      display: grid;
      gap: 12px;
    }

    .filter-item {
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.04);
    }

    .filter-item strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text);
      font-size: 16px;
    }

    .filter-item span {
      color: var(--muted);
      font-size: 14px;
    }

    .entry-list {
      display: grid;
      gap: 14px;
    }

    .entry {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.04);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .entry:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      background: rgba(32, 245, 207, 0.07);
    }

    .entry-icon {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 7px;
      color: #071210;
      font-weight: 900;
      background: var(--primary);
    }

    .entry h3 {
      margin-bottom: 4px;
      font-size: 18px;
    }

    .entry p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .step-panel {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(18, 21, 28, 0.88);
      overflow: hidden;
    }

    .step-row {
      display: grid;
      grid-template-columns: 88px minmax(0, 1fr) 180px;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid var(--line);
    }

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

    .step-code {
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .step-row h3 {
      margin-bottom: 4px;
      font-size: 18px;
    }

    .step-row p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }

    .metric-card {
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.045);
    }

    .metric-card .value {
      margin-bottom: 4px;
      color: var(--primary);
      font-size: 34px;
      line-height: 1;
      font-weight: 900;
    }

    .metric-card p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .testimonial {
      display: grid;
      gap: 14px;
    }

    .quote {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.035);
    }

    .quote p {
      margin-bottom: 10px;
      color: var(--text);
      font-size: 15px;
    }

    .quote span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
    }

    .accordion {
      background: transparent;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

    .accordion-item {
      background: rgba(255, 255, 255, 0.035);
      border-bottom: 1px solid var(--line);
    }

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

    .accordion-title {
      position: relative;
      padding: 19px 52px 19px 22px;
      color: var(--text);
      border: none;
      font-weight: 800;
      font-size: 16px;
      line-height: 1.5;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--primary);
      background: rgba(32, 245, 207, 0.06);
      outline: none;
    }

    .accordion-title::before {
      right: 22px;
      margin-top: -9px;
      font-size: 22px;
      color: var(--primary);
      transition: transform .2s ease;
    }

    .is-active > .accordion-title::before {
      transform: rotate(45deg);
    }

    .accordion-content {
      padding: 0 22px 20px;
      color: var(--muted);
      border: none;
      background: transparent;
      font-size: 15px;
      line-height: 1.75;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 20px;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line-strong);
      background:
        linear-gradient(90deg, rgba(32, 245, 207, 0.13), rgba(167, 139, 250, 0.08)),
        rgba(18, 21, 28, 0.94);
      box-shadow: var(--glow);
    }

    .cta-panel p {
      margin-bottom: 0;
      color: var(--muted);
    }

    .sticky-claim {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
      background: rgba(8, 9, 11, 0.9);
      backdrop-filter: blur(14px);
      border-top: 1px solid var(--line);
    }

    .claim-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 14px;
      align-items: center;
      padding: 10px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(18, 21, 28, 0.94);
      box-shadow: var(--shadow);
    }

    .claim-title {
      font-weight: 900;
      line-height: 1.35;
    }

    .claim-note {
      color: var(--muted);
      font-size: 13px;
    }

    .claim-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .site-footer {
      padding: 58px 0 108px;
      border-top: 1px solid var(--line);
      background: #060709;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      margin-bottom: 10px;
      color: var(--text);
      font-size: 20px;
      font-weight: 900;
    }

    .footer-text {
      max-width: 620px;
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 14px;
    }

    .copyright {
      margin-bottom: 0;
      color: #76818c;
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
      max-width: 430px;
    }

    .footer-links a {
      display: inline-flex;
      min-height: 36px;
      align-items: center;
      padding: 7px 11px;
      border-radius: 7px;
      color: var(--muted);
      border: 1px solid rgba(255, 255, 255, 0.09);
      background: rgba(255, 255, 255, 0.03);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--primary);
      border-color: var(--line-strong);
      outline: none;
    }

    @media screen and (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        min-width: auto;
      }

      .nav-menu {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 4px 0;
      }

      .grid-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .wide-grid,
      .trust-grid {
        grid-template-columns: 1fr;
      }

      .step-row {
        grid-template-columns: 70px minmax(0, 1fr);
      }

      .step-row .badge {
        grid-column: 2;
        justify-self: start;
      }
    }

    @media screen and (max-width: 768px) {
      body {
        --safe-bottom: calc(104px + env(safe-area-inset-bottom));
      }

      .shell {
        width: min(calc(100% - 28px), var(--container));
      }

      .site-header {
        padding-top: 10px;
      }

      .nav-panel {
        position: relative;
      }

      .mobile-toggle {
        display: inline-block;
      }

      .nav-menu {
        display: none;
        position: absolute;
        left: 10px;
        right: 10px;
        top: calc(100% + 10px);
        z-index: 70;
        padding: 10px;
        border-radius: var(--radius-lg);
        border: 1px solid var(--line);
        background: rgba(18, 21, 28, 0.98);
        box-shadow: var(--shadow);
        overflow: visible;
      }

      .nav-menu.is-open {
        display: grid;
        gap: 8px;
      }

      .nav-menu li,
      .nav-link {
        width: 100%;
      }

      .nav-link {
        justify-content: center;
      }

      .nav-cta {
        display: none;
      }

      .category-hero {
        padding-top: 34px;
      }

      .section {
        padding: 54px 0;
      }

      .title-panel,
      .info-panel,
      .cta-panel {
        padding: 22px;
      }

      .section-head {
        grid-template-columns: 1fr;
      }

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

      .entry {
        grid-template-columns: auto minmax(0, 1fr);
      }

      .entry .btn {
        grid-column: 1 / -1;
        width: 100%;
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cta-panel .btn {
        width: 100%;
      }

      .claim-inner {
        grid-template-columns: 1fr auto;
      }

      .claim-tags {
        display: none;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media screen and (max-width: 520px) {
      .brand-text {
        max-width: 190px;
        font-size: 13px;
      }

      h1 {
        font-size: 30px;
      }

      .lead {
        font-size: 15px;
      }

      .hero-actions,
      .sort-buttons {
        width: 100%;
      }

      .hero-actions .btn,
      .sort-buttons .mini-button {
        width: 100%;
      }

      .chip,
      .badge {
        font-size: 12px;
      }

      .step-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .step-row .badge {
        grid-column: auto;
      }

      .claim-inner {
        grid-template-columns: 1fr;
      }

      .sticky-claim .btn {
        width: 100%;
      }
    }