/* roulang page: index */
:root {
      --bg: #f7f4ef;
      --surface: #fffdf9;
      --surface-strong: #191512;
      --text: #1f1b17;
      --muted: #756a60;
      --line: rgba(50, 42, 35, .12);
      --primary: #9a5b3f;
      --primary-dark: #6f3d2b;
      --accent: #d59c62;
      --green: #47745a;
      --rose: #b45462;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 18px 45px rgba(55, 38, 24, .10);
      --shadow-soft: 0 10px 25px rgba(55, 38, 24, .08);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(213, 156, 98, .16), transparent 28%),
        linear-gradient(180deg, #fbf8f3 0%, var(--bg) 42%, #f8f6f1 100%);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button, input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      backdrop-filter: blur(18px);
      background: rgba(247, 244, 239, .82);
      border-bottom: 1px solid rgba(50, 42, 35, .08);
    }

    .command-nav {
      min-height: 68px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255, 253, 249, .88);
      box-shadow: 0 10px 30px rgba(52, 38, 27, .07);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      color: #fffaf2;
      background: linear-gradient(135deg, var(--primary-dark), var(--accent));
      box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
      flex: 0 0 auto;
    }

    .brand-text {
      max-width: 300px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-links {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
    }

    .nav-link {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: .2s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--text);
      background: #f1e8dc;
    }

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

    .command-search {
      width: 245px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: #fbf7ef;
      font-size: 13px;
      transition: .2s ease;
    }

    .command-search:focus-within {
      border-color: rgba(154, 91, 63, .45);
      box-shadow: 0 0 0 4px rgba(154, 91, 63, .12);
    }

    .command-search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
    }

    .kbd {
      padding: 1px 7px;
      border-radius: 7px;
      border: 1px solid var(--line);
      background: #fffdf9;
      color: #8d8277;
      font-size: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 11px 18px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .mobile-toggle:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(213, 156, 98, .45);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fffaf2;
      background: var(--primary-dark);
      box-shadow: 0 10px 25px rgba(111, 61, 43, .24);
    }

    .btn-primary:hover {
      background: #5f3324;
      box-shadow: 0 14px 32px rgba(111, 61, 43, .30);
    }

    .btn-secondary {
      color: var(--text);
      background: #fffdf9;
      border: 1px solid var(--line);
    }

    .btn-secondary:hover {
      border-color: rgba(154, 91, 63, .34);
      box-shadow: var(--shadow-soft);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: #f4ece2;
      color: var(--text);
      align-items: center;
      justify-content: center;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 78px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border: 1px solid rgba(154, 91, 63, .18);
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(255, 253, 249, .76);
      font-weight: 800;
      font-size: 13px;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(213, 156, 98, .16);
    }

    .hero {
      min-height: 680px;
      padding: 56px 0 92px;
      color: #fffaf2;
      background:
        linear-gradient(90deg, rgba(19, 15, 13, .92), rgba(19, 15, 13, .72) 46%, rgba(19, 15, 13, .22)),
        linear-gradient(120deg, #241812 0%, #6f3d2b 48%, #d59c62 100%);
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.7), transparent 78%);
      pointer-events: none;
    }

    .hero-wrap {
      position: relative;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      align-items: center;
      gap: 54px;
    }

    .hero h1 {
      max-width: 780px;
      margin: 20px 0 18px;
      font-size: clamp(40px, 6.4vw, 82px);
      line-height: 1.02;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-copy {
      max-width: 660px;
      color: rgba(255, 250, 242, .82);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .hero .btn-secondary {
      color: #fffaf2;
      background: rgba(255, 250, 242, .10);
      border-color: rgba(255, 250, 242, .22);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 720px;
    }

    .metric {
      padding: 15px;
      border: 1px solid rgba(255, 250, 242, .16);
      border-radius: var(--radius-sm);
      background: rgba(255, 250, 242, .08);
      backdrop-filter: blur(12px);
    }

    .metric strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: #fff;
    }

    .metric span {
      display: block;
      margin-top: 7px;
      color: rgba(255, 250, 242, .72);
      font-size: 13px;
    }

    .poster-stage {
      min-height: 520px;
      position: relative;
      display: grid;
      place-items: center;
    }

    .main-poster {
      width: min(430px, 92%);
      aspect-ratio: 3 / 4;
      border-radius: 24px;
      overflow: hidden;
      position: relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(0,0,0,.36)),
        radial-gradient(circle at 52% 30%, rgba(245, 215, 170, .72), transparent 25%),
        linear-gradient(135deg, #332018, #8f553b 46%, #18110f);
      border: 1px solid rgba(255, 250, 242, .24);
      box-shadow: 0 34px 90px rgba(0,0,0,.36);
    }

    .main-poster::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255,250,242,.18);
      border-radius: 18px;
    }

    .poster-info {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 28px;
    }

    .poster-info h2 {
      margin: 0 0 10px;
      font-size: 30px;
      line-height: 1.15;
      font-weight: 950;
    }

    .poster-info p {
      margin: 0;
      color: rgba(255,250,242,.74);
      font-size: 14px;
    }

    .heat-badge,
    .route-card,
    .status-card {
      position: absolute;
      border: 1px solid rgba(255,250,242,.18);
      background: rgba(33, 24, 19, .70);
      backdrop-filter: blur(16px);
      border-radius: 18px;
      box-shadow: 0 18px 50px rgba(0,0,0,.24);
    }

    .heat-badge {
      top: 34px;
      right: 8px;
      padding: 12px 15px;
    }

    .heat-badge strong {
      display: block;
      font-size: 20px;
    }

    .heat-badge span,
    .route-card span,
    .status-card span {
      color: rgba(255,250,242,.68);
      font-size: 12px;
    }

    .route-card {
      left: 0;
      bottom: 78px;
      width: 210px;
      padding: 16px;
    }

    .route-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 9px 0;
      border-bottom: 1px solid rgba(255,250,242,.10);
      font-size: 13px;
    }

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

    .status-card {
      right: 0;
      bottom: 10px;
      width: 190px;
      padding: 14px;
    }

    .bar {
      height: 8px;
      margin-top: 10px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(255,250,242,.16);
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), #fff0c8);
    }

    .section-head {
      max-width: 740px;
      margin-bottom: 30px;
    }

    .section-head h2 {
      margin: 12px 0 10px;
      font-size: clamp(28px, 3.5vw, 48px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .feature-panel {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
    }

    .pain-list {
      padding: 26px;
      border-radius: var(--radius);
      background: var(--surface-strong);
      color: #fffaf2;
      box-shadow: var(--shadow);
    }

    .pain-list h3 {
      margin: 0 0 18px;
      font-size: 25px;
      font-weight: 950;
    }

    .pain-item {
      display: flex;
      gap: 13px;
      padding: 16px 0;
      border-top: 1px solid rgba(255,250,242,.12);
    }

    .pain-item b {
      color: #fff;
    }

    .pain-item p {
      margin: 3px 0 0;
      color: rgba(255,250,242,.68);
      font-size: 14px;
    }

    .solution-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 253, 249, .84);
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(154, 91, 63, .25);
      box-shadow: var(--shadow);
    }

    .solution-card {
      padding: 24px;
      min-height: 184px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: #f0dfcc;
      font-size: 12px;
      font-weight: 850;
    }

    .solution-card h3,
    .progress-card h3,
    .analysis-card h3,
    .voice-card h3,
    .article-card h3 {
      margin: 16px 0 8px;
      font-size: 21px;
      line-height: 1.25;
      font-weight: 950;
    }

    .solution-card p,
    .progress-card p,
    .analysis-card p,
    .voice-card p,
    .article-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .progress-section {
      background: linear-gradient(180deg, rgba(255,253,249,.68), rgba(240,232,222,.74));
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .progress-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: start;
    }

    .progress-card {
      padding: 26px;
    }

    .check-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
    }

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

    .check-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--green);
      flex: 0 0 auto;
      font-weight: 900;
    }

    .progress-track {
      height: 12px;
      border-radius: 999px;
      overflow: hidden;
      background: #eaded0;
    }

    .progress-track span {
      display: block;
      height: 100%;
      width: 76%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary-dark), var(--accent));
    }

    .analysis-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .chart-card {
      padding: 26px;
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .analysis-card {
      padding: 22px;
    }

    .chart-lines {
      height: 220px;
      display: flex;
      align-items: end;
      gap: 12px;
      padding: 18px;
      border-radius: 16px;
      background: #f2e8dc;
      border: 1px solid var(--line);
    }

    .chart-lines i {
      flex: 1;
      min-width: 18px;
      border-radius: 999px 999px 6px 6px;
      background: linear-gradient(180deg, var(--accent), var(--primary-dark));
      opacity: .92;
    }

    .live-section {
      padding-top: 40px;
    }

    .live-panel {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      padding: 24px;
      border-radius: 28px;
      background: #1c1512;
      color: #fffaf2;
      box-shadow: var(--shadow);
    }

    .live-cover {
      min-height: 330px;
      border-radius: 22px;
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.62)),
        radial-gradient(circle at 35% 20%, rgba(255,226,179,.58), transparent 28%),
        linear-gradient(135deg, #8f553b, #2a1711 64%);
    }

    .live-cover .tag {
      position: absolute;
      left: 18px;
      top: 18px;
      color: #fffaf2;
      background: rgba(180, 84, 98, .92);
    }

    .countdown {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .time-box {
      padding: 12px;
      border-radius: 14px;
      background: rgba(255,250,242,.12);
      backdrop-filter: blur(12px);
      text-align: center;
    }

    .time-box strong {
      display: block;
      font-size: 24px;
      line-height: 1;
    }

    .live-copy {
      padding: 14px 8px;
    }

    .live-copy h2 {
      margin: 12px 0;
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.15;
      font-weight: 950;
    }

    .live-copy p,
    .live-list li {
      color: rgba(255,250,242,.72);
    }

    .live-list {
      margin: 22px 0;
      padding: 0;
      list-style: none;
    }

    .live-list li {
      display: flex;
      gap: 10px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,250,242,.10);
    }

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

    .voice-card {
      padding: 24px;
    }

    .avatar-row {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary-dark), var(--accent));
      font-weight: 900;
    }

    .stars {
      color: var(--accent);
      letter-spacing: 2px;
      font-size: 14px;
    }

    .news-section {
      background: #fffdf9;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      display: grid;
      gap: 12px;
    }

    .news-link {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 15px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fbf8f3;
      transition: .2s ease;
    }

    .news-link:hover {
      transform: translateX(4px);
      border-color: rgba(154, 91, 63, .28);
      background: #fffaf2;
    }

    .news-num {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: #f0dfcc;
      font-weight: 950;
    }

    .news-link h3 {
      margin: 0;
      font-size: 18px;
      font-weight: 950;
    }

    .news-link p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .recommend-card {
      padding: 24px;
      position: sticky;
      top: 114px;
    }

    .topic-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    details {
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255,253,249,.86);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    summary {
      list-style: none;
      padding: 19px 20px;
      font-weight: 950;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      gap: 18px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary-dark);
      flex: 0 0 auto;
    }

    details[open] summary::after {
      content: "-";
    }

    details p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta-section {
      padding: 72px 0 92px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border-radius: 28px;
      color: #fffaf2;
      background:
        linear-gradient(135deg, rgba(111,61,43,.98), rgba(25,21,18,.98)),
        radial-gradient(circle at 80% 15%, rgba(213,156,98,.35), transparent 30%);
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 3.2vw, 46px);
      line-height: 1.12;
      font-weight: 950;
    }

    .cta-panel p {
      margin: 0;
      color: rgba(255,250,242,.74);
      max-width: 720px;
    }

    .site-footer {
      padding: 46px 0 28px;
      color: rgba(255,250,242,.78);
      background: #191512;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,250,242,.12);
    }

    .footer-grid h3,
    .footer-grid h4 {
      margin: 0 0 12px;
      color: #fffaf2;
      font-weight: 950;
    }

    .footer-grid p {
      margin: 0;
      max-width: 520px;
      color: rgba(255,250,242,.62);
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255,250,242,.68);
      transition: .2s ease;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fffaf2;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 20px;
      color: rgba(255,250,242,.52);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .command-nav {
        grid-template-columns: auto auto;
      }

      .nav-links,
      .nav-actions {
        display: none;
      }

      .mobile-toggle {
        display: inline-flex;
        justify-self: end;
      }

      .command-nav.open {
        grid-template-columns: 1fr auto;
      }

      .command-nav.open .nav-links,
      .command-nav.open .nav-actions {
        grid-column: 1 / -1;
        display: flex;
        width: 100%;
      }

      .command-nav.open .nav-links {
        justify-content: flex-start;
        flex-wrap: wrap;
        padding-top: 8px;
      }

      .command-nav.open .nav-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .command-nav.open .command-search {
        width: 100%;
      }

      .hero-wrap,
      .feature-panel,
      .progress-layout,
      .analysis-grid,
      .live-panel,
      .news-layout,
      .faq-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .poster-stage {
        min-height: 470px;
      }

      .recommend-card {
        position: static;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      section {
        padding: 58px 0;
      }

      .hero {
        min-height: auto;
        padding: 40px 0 70px;
      }

      .hero-metrics,
      .solution-grid,
      .kpi-grid,
      .voices {
        grid-template-columns: 1fr;
      }

      .route-card,
      .status-card,
      .heat-badge {
        position: static;
        width: auto;
        margin-top: 12px;
      }

      .poster-stage {
        display: block;
        min-height: auto;
      }

      .main-poster {
        width: 100%;
      }

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

      .news-link .tag {
        grid-column: 2;
        justify-self: start;
      }

      .countdown {
        grid-template-columns: repeat(3, 1fr);
      }

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

    @media (max-width: 520px) {
      .brand-text {
        max-width: 220px;
      }

      .hero h1 {
        font-size: 36px;
      }

      .hero-actions,
      .cta-panel > div:last-child {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .metric,
      .solution-card,
      .progress-card,
      .analysis-card,
      .voice-card,
      .chart-card,
      .recommend-card,
      .cta-panel {
        padding: 20px;
      }

      .live-panel {
        padding: 16px;
        border-radius: 22px;
      }

      .copyright {
        display: block;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #f8f5ef;
      --surface: #fffdf8;
      --surface-strong: #ffffff;
      --ink: #201b17;
      --muted: #756b60;
      --soft: #a09386;
      --line: rgba(45, 35, 27, .12);
      --primary: #8b3f2f;
      --primary-dark: #653025;
      --accent: #c98a3d;
      --accent-soft: #f4dfbd;
      --sage: #51685a;
      --rose: #b76c6a;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 18px 55px rgba(42, 31, 22, .10);
      --shadow-sm: 0 10px 30px rgba(42, 31, 22, .07);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(201, 138, 61, .13), transparent 28%),
        linear-gradient(180deg, #fbf8f1 0%, var(--bg) 48%, #f3eee6 100%);
      line-height: 1.75;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input {
      color: var(--ink);
      outline: none;
      background: transparent;
    }

    :focus-visible {
      outline: 3px solid rgba(201, 138, 61, .35);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      background: rgba(248, 245, 239, .82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(45, 35, 27, .08);
    }

    .command-nav {
      display: grid;
      grid-template-columns: auto 1fr auto auto;
      align-items: center;
      gap: 18px;
      min-height: 62px;
      padding: 8px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255, 253, 248, .92);
      box-shadow: var(--shadow-sm);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      padding: 8px 10px;
      border-radius: 16px;
    }

    .brand:hover {
      background: rgba(139, 63, 47, .06);
    }

    .brand-mark {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border-radius: 13px;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 10px 24px rgba(139, 63, 47, .22);
    }

    .brand-text {
      max-width: 300px;
      overflow: hidden;
      color: var(--ink);
      font-size: 15px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
      text-overflow: ellipsis;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 8px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary-dark);
      background: rgba(139, 63, 47, .08);
    }

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

    .command-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 244px;
      min-height: 42px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--soft);
      background: #fbf8f2;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .command-search:focus-within {
      border-color: rgba(139, 63, 47, .35);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(139, 63, 47, .08);
    }

    .command-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      font-size: 13px;
    }

    .command-search input::placeholder {
      color: #9a8f83;
    }

    .kbd {
      display: grid;
      min-width: 24px;
      height: 24px;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 7px;
      color: var(--muted);
      font-size: 12px;
      background: #fff;
    }

    .mobile-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      color: var(--ink);
      background: #fffaf2;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 12px 28px rgba(139, 63, 47, .22);
    }

    .btn-primary:hover {
      box-shadow: 0 16px 34px rgba(139, 63, 47, .28);
    }

    .btn-secondary {
      color: var(--primary-dark);
      border-color: rgba(139, 63, 47, .22);
      background: rgba(255, 255, 255, .72);
    }

    .btn-secondary:hover {
      border-color: rgba(139, 63, 47, .38);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .page-shell {
      padding: 42px 0 0;
    }

    .section {
      padding: 70px 0;
    }

    .section-tight {
      padding: 44px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 7px 11px;
      border: 1px solid rgba(139, 63, 47, .14);
      border-radius: 999px;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 800;
      background: rgba(255, 255, 255, .70);
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(201, 138, 61, .14);
    }

    .page-intro {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 28px;
      align-items: stretch;
      padding: 32px;
      border: 1px solid var(--line);
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(255, 253, 248, .96), rgba(248, 241, 231, .84)),
        repeating-linear-gradient(90deg, rgba(139, 63, 47, .05) 0 1px, transparent 1px 48px);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .page-title {
      max-width: 850px;
      margin: 0;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.06;
      font-weight: 900;
      letter-spacing: 0;
    }

    .page-summary {
      max-width: 760px;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 17px;
    }

    .filter-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .filter-chip,
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border: 1px solid rgba(45, 35, 27, .11);
      border-radius: 999px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      background: rgba(255, 255, 255, .76);
    }

    .filter-chip.active,
    .tag.hot {
      color: #fff;
      border-color: transparent;
      background: var(--primary);
    }

    .progress-panel {
      position: relative;
      display: grid;
      align-content: center;
      justify-items: center;
      min-height: 280px;
      padding: 24px;
      border: 1px solid rgba(139, 63, 47, .13);
      border-radius: 24px;
      background: rgba(255, 255, 255, .72);
    }

    .progress-ring {
      width: 168px;
      height: 168px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background:
        conic-gradient(var(--primary) 0 76%, rgba(139, 63, 47, .12) 76% 100%);
      box-shadow: inset 0 0 0 12px rgba(255, 255, 255, .72), 0 18px 36px rgba(139, 63, 47, .12);
    }

    .progress-ring-inner {
      display: grid;
      width: 118px;
      height: 118px;
      place-items: center;
      border-radius: 50%;
      background: #fffdf8;
      text-align: center;
    }

    .progress-ring strong {
      display: block;
      color: var(--primary-dark);
      font-size: 31px;
      line-height: 1;
      font-weight: 900;
    }

    .progress-ring span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .tier-preview {
      display: grid;
      width: 100%;
      gap: 10px;
      margin-top: 22px;
    }

    .tier-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 44px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255, 250, 242, .78);
    }

    .tier-item span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .tier-item strong {
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
    }

    .layout-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 315px;
      gap: 26px;
      align-items: start;
    }

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

    .section-head h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-head p {
      max-width: 560px;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .notice-card,
    .side-card,
    .content-card,
    .faq-item,
    .cta-panel {
      border: 1px solid var(--line);
      background: rgba(255, 253, 248, .86);
      box-shadow: var(--shadow-sm);
    }

    .notice-card {
      display: grid;
      grid-template-columns: 72px minmax(0, 1fr);
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius);
    }

    .notice-icon {
      display: grid;
      width: 72px;
      height: 72px;
      place-items: center;
      border-radius: 20px;
      color: #fff;
      font-size: 26px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--sage), var(--primary));
    }

    .notice-card h2 {
      margin: 0 0 8px;
      font-size: 23px;
      line-height: 1.25;
      font-weight: 900;
    }

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

    .toolbar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 12px;
      margin: 28px 0 22px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255, 255, 255, .62);
    }

    .toolbar-search,
    .select-like {
      min-height: 46px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fffdf8;
    }

    .toolbar-search {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 14px;
      color: var(--soft);
    }

    .toolbar-search input {
      width: 100%;
      border: 0;
      font-size: 14px;
    }

    .select-like {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 120px;
      padding: 0 14px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .content-card {
      overflow: hidden;
      border-radius: 22px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .content-card:hover {
      transform: translateY(-4px);
      border-color: rgba(139, 63, 47, .24);
      box-shadow: 0 18px 46px rgba(42, 31, 22, .12);
    }

    .cover {
      position: relative;
      aspect-ratio: 16 / 9;
      background:
        linear-gradient(135deg, rgba(139, 63, 47, .16), rgba(201, 138, 61, .13)),
        repeating-linear-gradient(135deg, rgba(32, 27, 23, .07) 0 1px, transparent 1px 18px);
      overflow: hidden;
    }

    .cover::after {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255, 255, 255, .58);
      border-radius: 18px;
    }

    .cover-badge {
      position: absolute;
      left: 16px;
      top: 16px;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      background: rgba(32, 27, 23, .72);
      backdrop-filter: blur(10px);
    }

    .content-body {
      padding: 20px;
    }

    .content-body h3 {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.32;
      font-weight: 900;
    }

    .content-body p {
      min-height: 76px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
    }

    .card-action {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid var(--line);
    }

    .card-action span {
      color: var(--soft);
      font-size: 12px;
      font-weight: 800;
    }

    .card-action a {
      color: var(--primary-dark);
      font-size: 14px;
      font-weight: 900;
    }

    .side-stack {
      position: sticky;
      top: 118px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
      border-radius: var(--radius);
    }

    .side-card h3 {
      margin: 0 0 14px;
      font-size: 18px;
      font-weight: 900;
    }

    .side-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .side-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 11px 0;
      border-bottom: 1px solid rgba(45, 35, 27, .08);
      color: var(--muted);
      font-size: 14px;
    }

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

    .side-list strong {
      color: var(--ink);
      font-weight: 900;
    }

    .status-board {
      display: grid;
      gap: 14px;
    }

    .status-line {
      display: grid;
      gap: 8px;
    }

    .status-line div {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .bar {
      height: 9px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(139, 63, 47, .10);
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

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

    .step-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255, 255, 255, .72);
    }

    .step-card:nth-child(2) {
      background: #2b211d;
      color: #fffaf2;
      box-shadow: var(--shadow);
    }

    .step-number {
      display: grid;
      width: 42px;
      height: 42px;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 14px;
      color: #fff;
      font-weight: 900;
      background: var(--primary);
    }

    .step-card:nth-child(2) .step-number {
      color: var(--primary-dark);
      background: var(--accent-soft);
    }

    .step-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.3;
      font-weight: 900;
    }

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

    .step-card:nth-child(2) p {
      color: rgba(255, 250, 242, .74);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.3fr .85fr .85fr;
      gap: 18px;
    }

    .proof-card {
      min-height: 190px;
      padding: 26px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255, 253, 248, .82);
      box-shadow: var(--shadow-sm);
    }

    .proof-card.large {
      background:
        linear-gradient(135deg, rgba(43, 33, 29, .96), rgba(101, 48, 37, .92)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 44px);
      color: #fffaf2;
    }

    .proof-card strong {
      display: block;
      margin-bottom: 10px;
      font-size: clamp(36px, 5vw, 62px);
      line-height: 1;
      font-weight: 900;
    }

    .proof-card h3 {
      margin: 0 0 10px;
      font-size: 19px;
      font-weight: 900;
    }

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

    .proof-card.large p {
      color: rgba(255, 250, 242, .74);
    }

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

    .faq-item {
      border-radius: 18px;
      overflow: hidden;
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      font-size: 16px;
      font-weight: 900;
      cursor: pointer;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      display: grid;
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      place-items: center;
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(139, 63, 47, .08);
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-item p {
      margin: 0;
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 14px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border-radius: 28px;
      background:
        linear-gradient(135deg, #2b211d, #633227),
        radial-gradient(circle at 80% 20%, rgba(201, 138, 61, .28), transparent 35%);
      color: #fffaf2;
      overflow: hidden;
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.15;
      font-weight: 900;
    }

    .cta-panel p {
      max-width: 720px;
      margin: 0;
      color: rgba(255, 250, 242, .76);
      font-size: 15px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .cta-panel .btn-primary {
      color: var(--primary-dark);
      background: #fffaf2;
      box-shadow: none;
    }

    .cta-panel .btn-secondary {
      color: #fffaf2;
      border-color: rgba(255, 250, 242, .30);
      background: rgba(255, 255, 255, .08);
    }

    .site-footer {
      margin-top: 72px;
      padding: 54px 0 28px;
      border-top: 1px solid var(--line);
      background: rgba(255, 253, 248, .66);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr .7fr .7fr;
      gap: 36px;
    }

    .site-footer h3,
    .site-footer h4 {
      margin: 0 0 12px;
      color: var(--ink);
      font-weight: 900;
    }

    .site-footer h3 {
      font-size: 20px;
    }

    .site-footer h4 {
      font-size: 15px;
    }

    .site-footer p {
      max-width: 560px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

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

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

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      margin-top: 38px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: var(--soft);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .command-nav {
        grid-template-columns: auto 1fr auto;
      }

      .nav-links,
      .nav-actions {
        display: none;
      }

      .mobile-toggle {
        display: inline-grid;
        place-items: center;
        justify-self: end;
      }

      .command-nav.open {
        grid-template-columns: 1fr auto;
      }

      .command-nav.open .brand {
        grid-column: 1;
      }

      .command-nav.open .mobile-toggle {
        grid-column: 2;
      }

      .command-nav.open .nav-links,
      .command-nav.open .nav-actions {
        display: flex;
        grid-column: 1 / -1;
        width: 100%;
      }

      .command-nav.open .nav-links {
        justify-content: flex-start;
        flex-wrap: wrap;
        padding: 4px 2px;
      }

      .command-nav.open .nav-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .command-nav.open .command-search {
        width: 100%;
      }

      .page-intro,
      .layout-grid {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .steps,
      .proof-grid {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        padding: 10px 0;
      }

      .command-nav {
        border-radius: 20px;
      }

      .brand-text {
        max-width: 210px;
        font-size: 14px;
      }

      .page-shell {
        padding-top: 24px;
      }

      .section {
        padding: 52px 0;
      }

      .page-intro {
        padding: 22px;
        border-radius: 22px;
      }

      .page-summary {
        font-size: 15px;
      }

      .progress-panel {
        min-height: 240px;
      }

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

      .card-grid,
      .side-stack,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: grid;
        gap: 10px;
      }

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

      .cta-panel {
        padding: 26px;
        border-radius: 22px;
      }

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .brand-text {
        max-width: 170px;
      }

      .page-title {
        font-size: 32px;
      }

      .filter-strip,
      .meta-row,
      .cta-actions {
        gap: 8px;
      }

      .btn {
        width: 100%;
      }

      .nav-link,
      .filter-chip,
      .tag {
        font-size: 12px;
      }

      .content-body p {
        min-height: auto;
      }
    }