/* roulang page: index */
:root {
      --bg: #f7f4ef;
      --bg-soft: #fbfaf7;
      --panel: #ffffff;
      --panel-muted: #f0ece7;
      --text: #201d1d;
      --muted: #706a66;
      --line: #ded8d2;
      --line-strong: #c8bfb7;
      --accent: #b84b5c;
      --accent-dark: #963746;
      --accent-soft: #f5dfe3;
      --violet: #91879f;
      --graphite: #3c3938;
      --silver: #e9e5df;
      --success: #5f7f68;
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-lg: 22px;
      --shadow: 0 18px 45px rgba(32, 29, 29, .07);
      --shadow-soft: 0 10px 25px rgba(32, 29, 29, .05);
      --container: 1200px;
      --ease: 220ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.45), rgba(247,244,239,.8) 32%, rgba(247,244,239,1)),
        var(--bg);
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

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

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    button:disabled {
      cursor: not-allowed;
      opacity: .52;
    }

    input, select, textarea {
      width: 100%;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
      border-radius: var(--radius-sm);
      min-height: 50px;
      padding: 12px 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    textarea {
      min-height: 128px;
      resize: vertical;
    }

    input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
      outline: 2px solid rgba(184, 75, 92, .34);
      outline-offset: 3px;
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(184, 75, 92, .10);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 244, 239, .86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(222, 216, 210, .85);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 18px;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      border: 1px solid var(--line-strong);
      background: #fff;
      position: relative;
      overflow: hidden;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 8px;
      border-top: 2px solid var(--accent);
      border-bottom: 2px solid var(--accent);
      transform: skewY(-12deg);
    }

    .brand-mark::after {
      inset: 14px 8px;
      border-color: var(--graphite);
      opacity: .45;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: color var(--ease), background var(--ease), border-color var(--ease);
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255,255,255,.52);
      border-color: rgba(222,216,210,.9);
    }

    .nav-link.active {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(255,255,255,.68);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 1px;
      background: var(--accent);
    }

    .nav-action {
      margin-left: 8px;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--text);
      align-items: center;
      justify-content: center;
      transition: background var(--ease), border-color var(--ease);
    }

    .menu-toggle:hover {
      background: var(--panel-muted);
      border-color: var(--line-strong);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: rgba(251,250,247,.98);
      padding: 6px 0 14px;
    }

    .mobile-panel.open {
      display: block;
    }

    .mobile-panel a {
      display: block;
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 15px;
    }

    .mobile-panel a.active {
      color: var(--text);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 14px;
      transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 12px 26px rgba(184, 75, 92, .18);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 15px 30px rgba(184, 75, 92, .22);
    }

    .btn-secondary {
      background: rgba(255,255,255,.72);
      color: var(--text);
      border-color: var(--line);
    }

    .btn-secondary:hover {
      background: #fff;
      border-color: var(--line-strong);
      transform: translateY(-1px);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.76);
      color: var(--muted);
      font-size: 13px;
      line-height: 1.2;
    }

    .badge-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(184,75,92,.10);
    }

    .section {
      padding: 94px 0;
    }

    .section-tight {
      padding: 70px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 16px;
      max-width: 760px;
    }

    .hero {
      padding: 42px 0 72px;
      position: relative;
    }

    .flash-strip {
      display: grid;
      grid-template-columns: 1.05fr .9fr auto;
      align-items: center;
      gap: 20px;
      min-height: 112px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(90deg, rgba(255,255,255,.92), rgba(255,255,255,.66)),
        repeating-linear-gradient(90deg, rgba(184,75,92,.16) 0 1px, transparent 1px 16px);
      box-shadow: var(--shadow-soft);
      margin-bottom: 52px;
    }

    .flash-title {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .flash-title strong {
      font-size: 18px;
    }

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

    .countdown {
      display: grid;
      grid-template-columns: repeat(3, minmax(66px, 1fr));
      gap: 10px;
    }

    .time-box {
      background: var(--text);
      color: #fff;
      border-radius: 14px;
      padding: 10px 8px;
      text-align: center;
      min-width: 0;
    }

    .time-box b {
      display: block;
      font-size: 24px;
      line-height: 1.1;
    }

    .time-box small {
      color: rgba(255,255,255,.68);
      font-size: 12px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
      gap: 42px;
      align-items: stretch;
    }

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

    .hero h1 {
      margin: 18px 0 18px;
      max-width: 860px;
      font-size: clamp(42px, 7vw, 84px);
      line-height: 1.05;
      font-weight: 800;
      letter-spacing: 0;
    }

    .hero-intro {
      max-width: 740px;
      margin: 0 0 26px;
      color: var(--muted);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .stage-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding: 22px;
      display: grid;
      gap: 16px;
      align-content: start;
      position: relative;
      overflow: hidden;
    }

    .stage-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(0deg, transparent 0 16px, rgba(145,135,159,.10) 16px 17px);
      pointer-events: none;
    }

    .stage-inner {
      position: relative;
      z-index: 1;
    }

    .main-entry-card {
      display: grid;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid var(--line);
    }

    .entry-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
    }

    .entry-head h2 {
      font-size: 22px;
      line-height: 1.25;
      margin: 0;
      font-weight: 800;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--success);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .status-pill::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
    }

    .entry-lines {
      display: grid;
      gap: 10px;
    }

    .entry-line {
      display: grid;
      grid-template-columns: 76px 1fr;
      gap: 12px;
      font-size: 14px;
      color: var(--muted);
      padding-top: 10px;
      border-top: 1px solid var(--line);
    }

    .wave {
      height: 48px;
      display: flex;
      align-items: center;
      gap: 5px;
      padding: 12px 0;
    }

    .wave span {
      width: 3px;
      border-radius: 999px;
      background: var(--accent);
      opacity: .55;
      animation: wavePulse 1.8s ease-in-out infinite;
    }

    .wave span:nth-child(2n) { height: 22px; animation-delay: .12s; }
    .wave span:nth-child(3n) { height: 34px; animation-delay: .22s; background: var(--violet); }
    .wave span:nth-child(4n) { height: 14px; animation-delay: .32s; }
    .wave span:nth-child(5n) { height: 28px; animation-delay: .42s; }
    .wave span { height: 18px; }

    @keyframes wavePulse {
      0%, 100% { transform: scaleY(.72); opacity: .42; }
      50% { transform: scaleY(1.05); opacity: .82; }
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
    }

    .metric-card {
      grid-column: span 3;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.72);
      padding: 22px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .metric-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow-soft);
    }

    .metric-card strong {
      display: block;
      font-size: 34px;
      line-height: 1.1;
      margin-bottom: 8px;
      letter-spacing: 0;
    }

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

    .three-grid {
      display: grid;
      grid-template-columns: 1.2fr .9fr .9fr;
      gap: 16px;
    }

    .point-card,
    .content-card,
    .quote-card,
    .faq-item,
    .news-item,
    .matrix-card,
    .step-card,
    .compare-panel {
      border: 1px solid var(--line);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius-md);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .point-card {
      padding: 26px;
      min-height: 218px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .point-card:hover,
    .content-card:hover,
    .quote-card:hover,
    .news-item:hover,
    .matrix-card:hover,
    .step-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow-soft);
      background: #fff;
    }

    .card-index {
      width: 38px;
      height: 38px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent-soft);
      color: var(--accent-dark);
      font-weight: 800;
      margin-bottom: 22px;
    }

    .point-card h3,
    .content-card h3,
    .matrix-card h3,
    .step-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.25;
      font-weight: 800;
    }

    .point-card p,
    .content-card p,
    .matrix-card p,
    .step-card p,
    .compare-panel p,
    .quote-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

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

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

    .content-card {
      padding: 24px;
    }

    .matrix-card {
      padding: 22px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-height: 162px;
    }

    .matrix-card.wide {
      grid-column: span 2;
    }

    .mini-label {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .mini-label::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--accent);
      border-radius: 999px;
    }

    .steps-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .step-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .step-card::after {
      content: "";
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 18px;
      height: 1px;
      background: repeating-linear-gradient(90deg, var(--accent) 0 10px, transparent 10px 18px);
      opacity: .36;
      transition: opacity var(--ease), transform var(--ease);
    }

    .step-card:hover::after {
      opacity: .75;
      transform: translateX(6px);
    }

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

    .compare-panel {
      padding: 26px;
    }

    .compare-panel.good {
      border-color: rgba(184,75,92,.36);
      background: linear-gradient(180deg, rgba(245,223,227,.44), rgba(255,255,255,.82));
    }

    .compare-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 12px;
      align-items: start;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 15px;
    }

    .compare-row b {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--panel-muted);
      color: var(--text);
      font-size: 13px;
    }

    .good .compare-row b {
      background: var(--accent);
      color: #fff;
    }

    .trust-band {
      background: var(--graphite);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 30px;
      align-items: center;
    }

    .trust-band p {
      color: rgba(255,255,255,.72);
      margin: 12px 0 0;
    }

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

    .quote-card {
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.16);
      padding: 20px;
      color: #fff;
    }

    .quote-card p {
      color: rgba(255,255,255,.72);
    }

    .quote-card strong {
      display: block;
      margin-top: 18px;
      font-size: 14px;
      color: rgba(255,255,255,.92);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.3fr .7fr;
      gap: 18px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr 28px;
      gap: 18px;
      align-items: center;
      padding: 18px;
    }

    .news-date {
      color: var(--accent);
      font-weight: 800;
      font-size: 14px;
    }

    .news-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
      font-weight: 800;
    }

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

    .news-arrow {
      color: var(--muted);
      transition: transform var(--ease), color var(--ease);
    }

    .news-item:hover .news-arrow {
      transform: translateX(4px);
      color: var(--accent);
    }

    .side-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.72);
      padding: 22px;
      position: sticky;
      top: 96px;
    }

    .calendar-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 13px;
    }

    .calendar-list li {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      padding-bottom: 13px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .calendar-list b {
      color: var(--text);
      font-size: 13px;
    }

    .faq-wrap {
      border-top: 1px solid var(--line);
    }

    .faq-item {
      border-radius: 0;
      border-left: 0;
      border-right: 0;
      border-top: 0;
      background: transparent;
    }

    .faq-question {
      width: 100%;
      min-height: 64px;
      padding: 18px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 800;
      font-size: 18px;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      border: 1px solid var(--line);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      transition: background var(--ease), border-color var(--ease), transform var(--ease);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 260ms ease-out;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 42px 22px 0;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.open .faq-icon {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
      transform: rotate(180deg);
    }

    .cta-section {
      background:
        linear-gradient(90deg, rgba(245,223,227,.50), rgba(255,255,255,.58)),
        var(--panel-muted);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .form-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 34px;
      align-items: start;
    }

    .form-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      padding: 26px;
      box-shadow: var(--shadow-soft);
    }

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

    .form-field.full {
      grid-column: 1 / -1;
    }

    .form-field label {
      display: block;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 7px;
    }

    .form-hint {
      margin-top: 12px;
      color: var(--muted);
      font-size: 13px;
    }

    .form-message {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border: 1px solid rgba(95,127,104,.28);
      border-radius: var(--radius-sm);
      color: #436249;
      background: rgba(95,127,104,.08);
      font-size: 14px;
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: rgba(251,250,247,.88);
      padding: 34px 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .footer-name {
      font-weight: 800;
      margin-bottom: 6px;
    }

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

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(14px);
      transition: opacity 520ms ease-out, transform 520ms ease-out;
    }

    .reveal.in-view {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1024px) {
      .desktop-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .hero-grid,
      .demo-layout,
      .trust-band,
      .news-layout,
      .form-layout {
        grid-template-columns: 1fr;
      }

      .flash-strip {
        grid-template-columns: 1fr;
      }

      .metric-card {
        grid-column: span 6;
      }

      .three-grid,
      .steps-row,
      .quote-grid {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
      }
    }

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

      .nav-wrap {
        height: 66px;
      }

      .brand {
        font-size: 16px;
      }

      .hero {
        padding: 28px 0 54px;
      }

      .section {
        padding: 66px 0;
      }

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

      .hero h1 {
        font-size: clamp(36px, 12vw, 56px);
      }

      .hero-intro {
        font-size: 16px;
      }

      .hero-actions .btn,
      .flash-strip .btn {
        width: 100%;
      }

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

      .metric-card {
        grid-column: span 12;
      }

      .entry-matrix {
        grid-template-columns: 1fr;
      }

      .matrix-card.wide {
        grid-column: span 1;
      }

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

      .news-item {
        grid-template-columns: 1fr 28px;
      }

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

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

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

      .footer-links {
        gap: 10px 14px;
      }
    }

    @media (max-width: 520px) {
      .flash-strip,
      .stage-card,
      .trust-band,
      .form-card {
        border-radius: 18px;
        padding: 18px;
      }

      .section-title {
        font-size: 30px;
      }

      .btn {
        width: 100%;
      }

      .hero-points .badge {
        width: 100%;
        justify-content: center;
      }

      .entry-line {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .faq-question {
        font-size: 16px;
        min-height: 58px;
      }

      .faq-answer p {
        padding-right: 0;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #f7f4ef;
      --bg-soft: #fbfaf7;
      --panel: #ffffff;
      --panel-warm: #f1eee8;
      --text: #181716;
      --muted: #6f6a64;
      --muted-2: #948d84;
      --line: #ded8cf;
      --line-strong: #c9c1b8;
      --accent: #b5485b;
      --accent-dark: #8f2f42;
      --accent-soft: #f8e8eb;
      --violet-soft: #ebe7f1;
      --graphite: #343331;
      --success: #556f61;
      --warning: #a2603b;
      --radius-sm: 10px;
      --radius: 16px;
      --radius-lg: 22px;
      --shadow: 0 18px 50px rgba(38, 31, 28, .08);
      --shadow-soft: 0 10px 28px rgba(38, 31, 28, .06);
      --container: 1200px;
      --ease: 220ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.66), rgba(247,244,239,.96) 42%, rgba(251,250,247,.94)),
        var(--bg);
      line-height: 1.72;
      font-size: 16px;
      letter-spacing: 0;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

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

    button {
      border: 0;
      cursor: pointer;
    }

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

    :focus-visible {
      outline: 3px solid rgba(181, 72, 91, .22);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(251, 250, 247, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(222, 216, 207, .86);
    }

    .nav-wrap {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 760;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      position: relative;
      background:
        radial-gradient(circle at 50% 50%, var(--accent) 0 3px, transparent 4px),
        repeating-linear-gradient(90deg, transparent 0 5px, rgba(181, 72, 91, .28) 5px 6px, transparent 6px 9px);
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 6px;
      border: 1px solid rgba(181, 72, 91, .36);
      border-radius: inherit;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .nav-link {
      position: relative;
      padding: 10px 13px;
      border-radius: 999px;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: var(--text);
      border-color: rgba(201, 193, 184, .72);
      background: rgba(255, 255, 255, .56);
    }

    .nav-link.active {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(255, 255, 255, .72);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 4px;
      width: 18px;
      height: 1px;
      transform: translateX(-50%);
      background: var(--accent);
    }

    .nav-action {
      color: #fff;
      background: var(--accent);
      border-color: var(--accent);
      margin-left: 4px;
    }

    .nav-action:hover {
      color: #fff;
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      color: var(--text);
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 999px;
      transition: background var(--ease), border-color var(--ease), transform var(--ease);
    }

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

    .mobile-panel {
      display: none;
      padding: 8px 0 18px;
      border-top: 1px solid var(--line);
    }

    .mobile-panel a {
      display: block;
      padding: 14px 4px;
      color: var(--muted);
      border-bottom: 1px solid rgba(222, 216, 207, .8);
    }

    .mobile-panel a.active {
      color: var(--text);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 68px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      color: var(--accent-dark);
      font-size: 13px;
      font-weight: 680;
    }

    .eyebrow::before {
      content: "";
      width: 26px;
      height: 1px;
      background: var(--accent);
    }

    .hero {
      padding: 78px 0 46px;
      background:
        repeating-linear-gradient(90deg, rgba(24, 23, 22, .028) 0 1px, transparent 1px 88px),
        linear-gradient(180deg, rgba(241, 238, 232, .72), rgba(247, 244, 239, .2));
      border-bottom: 1px solid rgba(222, 216, 207, .72);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(360px, .74fr);
      gap: 54px;
      align-items: start;
    }

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

    h1 {
      margin-bottom: 22px;
      font-size: clamp(38px, 5vw, 68px);
      line-height: 1.08;
      font-weight: 800;
      letter-spacing: 0;
      max-width: 860px;
    }

    .hero-lead {
      margin: 0 0 28px;
      max-width: 720px;
      color: var(--muted);
      font-size: 18px;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 680;
      line-height: 1.2;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: var(--accent);
      border-color: var(--accent);
      box-shadow: 0 14px 28px rgba(181, 72, 91, .18);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(143, 47, 66, .2);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, .62);
      border-color: var(--line);
    }

    .btn-secondary:hover {
      background: var(--panel);
      border-color: var(--line-strong);
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn[disabled] {
      opacity: .48;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    .choice-panel {
      display: grid;
      gap: 14px;
    }

    .choice-card {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .72);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .choice-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow);
    }

    .choice-card.recommended {
      border-color: rgba(181, 72, 91, .42);
      background:
        linear-gradient(135deg, rgba(248, 232, 235, .9), rgba(255,255,255,.88) 48%),
        var(--panel);
    }

    .choice-card.recommended::before {
      content: "";
      position: absolute;
      top: 22px;
      right: 20px;
      width: 90px;
      height: 24px;
      background: repeating-linear-gradient(90deg, rgba(181, 72, 91, .34) 0 2px, transparent 2px 8px);
      opacity: .75;
    }

    .choice-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 12px;
    }

    .choice-title {
      font-size: 18px;
      font-weight: 760;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 26px;
      padding: 4px 10px;
      border-radius: 999px;
      color: var(--accent-dark);
      background: var(--accent-soft);
      border: 1px solid rgba(181, 72, 91, .22);
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }

    .badge.neutral {
      color: var(--muted);
      background: #f4f1ec;
      border-color: var(--line);
    }

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

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(280px, .42fr);
      gap: 36px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-title {
      margin-bottom: 0;
      font-size: clamp(28px, 3.2vw, 44px);
      line-height: 1.18;
      font-weight: 780;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
    }

    .index-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .index-pill {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 8px 13px;
      color: var(--muted);
      background: rgba(255,255,255,.7);
      border: 1px solid var(--line);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 650;
    }

    .index-pill:hover {
      color: var(--text);
      border-color: var(--line-strong);
      background: var(--panel);
    }

    .timeline-layout {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(320px, .28fr);
      gap: 34px;
      align-items: start;
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 18px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      top: 12px;
      bottom: 12px;
      left: 20px;
      width: 1px;
      background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
    }

    .step-card {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      gap: 18px;
      padding: 22px;
      background: rgba(255,255,255,.75);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .step-card:hover {
      transform: translateY(-2px);
      border-color: rgba(181, 72, 91, .38);
      background: #fff;
    }

    .step-no {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: var(--accent-dark);
      background: var(--accent-soft);
      border: 1px solid rgba(181, 72, 91, .24);
      border-radius: 999px;
      font-weight: 800;
      position: relative;
      z-index: 1;
    }

    .step-card h3 {
      margin-bottom: 8px;
      font-size: 20px;
      line-height: 1.35;
    }

    .step-card p {
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 15px;
    }

    .mini-list {
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .mini-list li {
      display: flex;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
    }

    .mini-list li::before {
      content: "";
      width: 6px;
      height: 6px;
      flex: 0 0 auto;
      margin-top: 9px;
      border-radius: 999px;
      background: var(--accent);
    }

    .side-summary {
      position: sticky;
      top: 96px;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.76);
      box-shadow: var(--shadow-soft);
    }

    .side-summary h2 {
      margin-bottom: 14px;
      font-size: 20px;
      line-height: 1.35;
    }

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

    .status-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(85,111,97,.12);
    }

    .status-dot.warn {
      background: var(--warning);
      box-shadow: 0 0 0 4px rgba(162,96,59,.13);
    }

    .compare-band {
      background: var(--graphite);
      color: #fff;
    }

    .compare-band .section-desc,
    .compare-band .eyebrow {
      color: rgba(255,255,255,.72);
    }

    .compare-band .eyebrow::before {
      background: rgba(255,255,255,.42);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 16px;
      align-items: stretch;
    }

    .compare-card {
      padding: 26px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
    }

    .compare-card.highlight {
      background: rgba(255,255,255,.1);
      border-color: rgba(248, 232, 235, .38);
    }

    .compare-card h3 {
      margin-bottom: 18px;
      font-size: 22px;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr);
      gap: 12px;
      padding: 14px 0;
      border-top: 1px solid rgba(255,255,255,.11);
      color: rgba(255,255,255,.74);
    }

    .compare-row strong {
      color: #fff;
      font-weight: 720;
    }

    .check-mark {
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #fff;
      background: rgba(181, 72, 91, .82);
      font-size: 12px;
      font-weight: 800;
    }

    .plain-mark {
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: rgba(255,255,255,.6);
      border: 1px solid rgba(255,255,255,.18);
      font-size: 12px;
    }

    .group-grid {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 18px;
    }

    .group-card {
      padding: 26px;
      min-height: 210px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .group-card:hover {
      transform: translateY(-2px);
      border-color: rgba(181,72,91,.35);
      background: #fff;
    }

    .group-card.wide {
      grid-column: span 2;
      display: grid;
      grid-template-columns: .78fr 1fr;
      gap: 24px;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(235,231,241,.72), rgba(255,255,255,.78)),
        var(--panel);
    }

    .group-card h3 {
      margin-bottom: 10px;
      font-size: 22px;
    }

    .group-card p {
      margin-bottom: 16px;
      color: var(--muted);
      font-size: 15px;
    }

    .wave-line {
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background:
        repeating-linear-gradient(90deg, transparent 0 10px, rgba(181,72,91,.34) 10px 12px, transparent 12px 20px),
        linear-gradient(180deg, rgba(255,255,255,.66), rgba(241,238,232,.38));
      overflow: hidden;
    }

    .faq-wrap {
      border-top: 1px solid var(--line);
    }

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

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 0;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 720;
      transition: color var(--ease);
    }

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

    .faq-icon {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--accent-dark);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      border-color: rgba(181,72,91,.32);
      background: var(--accent-soft);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 260ms ease-out;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 48px 22px 0;
      color: var(--muted);
    }

    .cta-section {
      padding: 88px 0;
      background:
        linear-gradient(180deg, rgba(241,238,232,.7), rgba(251,250,247,.9)),
        var(--panel-warm);
      border-top: 1px solid var(--line);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(360px, .62fr);
      gap: 38px;
      align-items: start;
    }

    .cta-title {
      margin-bottom: 16px;
      font-size: clamp(28px, 3.3vw, 46px);
      line-height: 1.16;
      font-weight: 800;
    }

    .cta-text {
      max-width: 660px;
      color: var(--muted);
      margin-bottom: 24px;
    }

    .form-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.82);
      box-shadow: var(--shadow);
    }

    .form-grid {
      display: grid;
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: var(--text);
      font-size: 13px;
      font-weight: 700;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 48px;
      padding: 12px 13px;
      color: var(--text);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field textarea {
      min-height: 118px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: var(--muted-2);
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      outline: 0;
      border-color: rgba(181,72,91,.72);
      box-shadow: 0 0 0 4px rgba(181,72,91,.12);
      background: #fff;
    }

    .form-note {
      margin: 2px 0 0;
      color: var(--muted-2);
      font-size: 13px;
    }

    .form-message {
      display: none;
      margin-top: 12px;
      padding: 12px 14px;
      color: var(--success);
      background: rgba(85,111,97,.09);
      border: 1px solid rgba(85,111,97,.18);
      border-radius: 12px;
      font-size: 14px;
    }

    .form-message.show {
      display: block;
    }

    .site-footer {
      padding: 34px 0;
      background: rgba(251,250,247,.92);
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(300px, .55fr);
      gap: 26px;
      align-items: start;
    }

    .footer-name {
      margin-bottom: 8px;
      font-weight: 780;
      font-size: 18px;
    }

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

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 520ms ease-out, transform 520ms ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1024px) {
      .desktop-nav {
        gap: 2px;
      }

      .nav-link {
        padding: 9px 10px;
      }

      .hero-grid,
      .timeline-layout,
      .cta-grid {
        grid-template-columns: 1fr;
      }

      .side-summary {
        position: static;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 14px;
      }
    }

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

      .desktop-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .mobile-panel.open {
        display: block;
      }

      .nav-wrap {
        min-height: 66px;
      }

      .brand {
        font-size: 15px;
      }

      .hero {
        padding: 56px 0 34px;
      }

      .section,
      .cta-section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 50px 0;
      }

      h1 {
        font-size: 38px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .choice-card,
      .step-card,
      .group-card,
      .compare-card,
      .form-card {
        padding: 20px;
      }

      .compare-grid,
      .group-grid,
      .group-card.wide,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .group-card.wide {
        grid-column: auto;
      }

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

    @media (max-width: 520px) {
      .brand-mark {
        width: 28px;
        height: 28px;
      }

      .hero-actions,
      .cta-actions {
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .choice-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
      }

      .step-card {
        grid-template-columns: 34px minmax(0, 1fr);
        gap: 14px;
      }

      .timeline::before {
        left: 16px;
      }

      .step-no {
        width: 34px;
        height: 34px;
        font-size: 13px;
      }

      .faq-answer p {
        padding-right: 0;
      }

      .index-strip {
        gap: 8px;
      }

      .index-pill {
        width: 100%;
        justify-content: center;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #f7f4ef;
      --bg-soft: #fbfaf7;
      --surface: #ffffff;
      --surface-muted: #f0ece6;
      --text: #201d1d;
      --text-soft: #5f5a57;
      --muted: #89827d;
      --border: #ded8d1;
      --border-strong: #c8beb5;
      --accent: #b74755;
      --accent-dark: #913643;
      --accent-soft: #f7e3e5;
      --violet: #8c8297;
      --graphite: #343232;
      --shadow: 0 18px 45px rgba(45, 39, 35, .08);
      --shadow-soft: 0 10px 24px rgba(45, 39, 35, .06);
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --ease: 220ms ease-out;
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.66), rgba(247,244,239,.92) 38%),
        radial-gradient(circle at 10% 8%, rgba(183,71,85,.08), transparent 26%),
        var(--bg);
      line-height: 1.72;
      letter-spacing: 0;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

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

    button {
      cursor: pointer;
    }

    button:disabled {
      cursor: not-allowed;
      opacity: .48;
    }

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

    ::selection {
      background: var(--accent-soft);
      color: var(--accent-dark);
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(247, 244, 239, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(222, 216, 209, .78);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 760;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      border: 1px solid var(--border-strong);
      border-radius: 999px;
      position: relative;
      background: linear-gradient(180deg, #fff, #f2eee8);
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      top: 8px;
      bottom: 8px;
      width: 2px;
      border-radius: 99px;
      background: var(--accent);
      left: 10px;
      box-shadow: 5px 3px 0 rgba(183,71,85,.55), 10px -2px 0 rgba(52,50,50,.45);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 9px 13px;
      border-radius: 999px;
      color: var(--text-soft);
      font-size: 14px;
      border: 1px solid transparent;
      line-height: 1.2;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--text);
      border-color: var(--border);
      background: rgba(255,255,255,.62);
    }

    .nav-link.active {
      color: var(--text);
      border-color: var(--border-strong);
      background: rgba(255,255,255,.7);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 1px;
      background: var(--accent);
    }

    .nav-action {
      color: var(--accent-dark);
      border-color: rgba(183,71,85,.28);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255,255,255,.72);
      color: var(--text);
      transition: border-color var(--ease), background var(--ease), transform var(--ease);
    }

    .menu-toggle:hover {
      border-color: var(--border-strong);
      transform: translateY(-1px);
    }

    .menu-toggle:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    .btn:focus-visible,
    .form-control:focus-visible,
    .faq-trigger:focus-visible,
    .mobile-panel a:focus-visible {
      outline: 3px solid rgba(183,71,85,.22);
      outline-offset: 3px;
    }

    .mobile-panel {
      display: none;
      padding: 0 0 18px;
    }

    .mobile-panel a {
      display: block;
      padding: 14px 4px;
      border-top: 1px solid var(--border);
      color: var(--text-soft);
      font-size: 15px;
    }

    .mobile-panel a.active {
      color: var(--accent-dark);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 92px 0;
    }

    .section.tight {
      padding: 62px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-dark);
      font-size: 13px;
      font-weight: 700;
      padding: 7px 10px;
      border: 1px solid rgba(183,71,85,.18);
      border-radius: 999px;
      background: rgba(255,255,255,.6);
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
    }

    .hero {
      padding: 82px 0 54px;
      position: relative;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--border), transparent);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .72fr);
      gap: 52px;
      align-items: stretch;
    }

    .hero h1 {
      margin: 22px 0 18px;
      max-width: 860px;
      font-size: clamp(38px, 5vw, 72px);
      line-height: 1.05;
      font-weight: 800;
      letter-spacing: 0;
    }

    .hero-copy {
      max-width: 760px;
      color: var(--text-soft);
      font-size: 18px;
      line-height: 1.82;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      font-size: 14px;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 12px 26px rgba(183,71,85,.18);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(183,71,85,.22);
    }

    .btn-secondary {
      background: rgba(255,255,255,.7);
      color: var(--text);
      border-color: var(--border);
    }

    .btn-secondary:hover {
      border-color: var(--border-strong);
      background: #fff;
      transform: translateY(-1px);
    }

    .demo-panel {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow-soft);
      padding: 22px;
      position: relative;
      overflow: hidden;
      min-height: 380px;
    }

    .demo-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(90deg, rgba(52,50,50,.08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(52,50,50,.05) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.75), transparent 72%);
      pointer-events: none;
    }

    .demo-inner {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 14px;
    }

    .demo-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--border);
    }

    .demo-title strong {
      font-size: 18px;
    }

    .status-pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      padding: 6px 10px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.72);
      color: var(--text-soft);
      font-size: 12px;
      line-height: 1.2;
      white-space: nowrap;
    }

    .status-pill::before,
    .tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 99px;
      background: var(--accent);
    }

    .signal-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: rgba(251,250,247,.88);
      padding: 16px;
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .signal-card:hover {
      transform: translateY(-2px);
      border-color: var(--border-strong);
      background: #fff;
    }

    .signal-card span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 8px;
    }

    .signal-card strong {
      font-size: 24px;
      line-height: 1.1;
    }

    .wave-line {
      height: 36px;
      display: flex;
      align-items: center;
      gap: 5px;
      margin-top: 12px;
    }

    .wave-line i {
      display: block;
      width: 3px;
      border-radius: 999px;
      background: rgba(183,71,85,.45);
    }

    .wave-line i:nth-child(1) { height: 10px; }
    .wave-line i:nth-child(2) { height: 20px; }
    .wave-line i:nth-child(3) { height: 14px; }
    .wave-line i:nth-child(4) { height: 28px; }
    .wave-line i:nth-child(5) { height: 16px; }
    .wave-line i:nth-child(6) { height: 23px; }
    .wave-line i:nth-child(7) { height: 12px; }

    .quick-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--border);
    }

    .quick-item {
      background: rgba(255,255,255,.7);
      padding: 22px;
      min-height: 126px;
    }

    .quick-item b {
      display: block;
      font-size: 22px;
      margin-bottom: 8px;
      line-height: 1.1;
    }

    .quick-item p {
      margin: 0;
      color: var(--text-soft);
      font-size: 14px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: 34px;
    }

    .section-head h2 {
      margin: 0;
      max-width: 680px;
      font-size: clamp(28px, 3.2vw, 46px);
      line-height: 1.16;
      font-weight: 780;
    }

    .section-head p {
      margin: 0;
      max-width: 440px;
      color: var(--text-soft);
    }

    .access-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 310px;
      gap: 28px;
      align-items: start;
    }

    .index-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .index-bar a {
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.65);
      color: var(--text-soft);
      font-size: 13px;
    }

    .index-bar a:hover {
      color: var(--accent-dark);
      border-color: rgba(183,71,85,.35);
      background: #fff;
    }

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

    .list-card {
      display: grid;
      grid-template-columns: 52px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      background: rgba(255,255,255,.74);
      box-shadow: 0 1px 0 rgba(255,255,255,.5) inset;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .list-card:hover {
      transform: translateY(-2px);
      border-color: var(--border-strong);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .list-index {
      width: 52px;
      height: 52px;
      border-radius: 999px;
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
      color: var(--accent-dark);
      background: var(--accent-soft);
      font-weight: 800;
    }

    .list-card h3 {
      margin: 0 0 6px;
      font-size: 20px;
      line-height: 1.35;
    }

    .list-card p {
      margin: 0;
      color: var(--text-soft);
      font-size: 15px;
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 12px;
    }

    .arrow {
      color: var(--muted);
      transition: transform var(--ease), color var(--ease);
    }

    .list-card:hover .arrow {
      transform: translateX(4px);
      color: var(--accent-dark);
    }

    .side-panel {
      position: sticky;
      top: 98px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.68);
      padding: 22px;
      box-shadow: var(--shadow-soft);
    }

    .side-panel h3 {
      margin: 0 0 14px;
      font-size: 18px;
    }

    .side-panel ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 12px;
    }

    .side-panel li {
      padding-left: 16px;
      position: relative;
      color: var(--text-soft);
      font-size: 14px;
    }

    .side-panel li::before {
      content: "";
      position: absolute;
      top: 11px;
      left: 0;
      width: 6px;
      height: 6px;
      border-radius: 99px;
      background: var(--accent);
    }

    .verify-band {
      background: var(--graphite);
      color: #fff;
      position: relative;
    }

    .verify-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 42px 42px;
      opacity: .55;
    }

    .verify-grid {
      position: relative;
      display: grid;
      grid-template-columns: .82fr 1fr;
      gap: 44px;
      align-items: center;
    }

    .verify-grid h2 {
      margin: 0 0 16px;
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.18;
    }

    .verify-grid p {
      margin: 0;
      color: rgba(255,255,255,.72);
    }

    .check-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .check-card {
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius-md);
      padding: 18px;
      background: rgba(255,255,255,.06);
    }

    .check-card b {
      display: block;
      margin-bottom: 7px;
      color: #fff;
    }

    .check-card span {
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .timeline {
      display: grid;
      gap: 0;
      border-left: 1px solid var(--border-strong);
      margin-left: 18px;
    }

    .timeline-item {
      position: relative;
      padding: 0 0 34px 34px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -7px;
      top: 4px;
      width: 13px;
      height: 13px;
      border-radius: 99px;
      background: var(--surface);
      border: 3px solid var(--accent);
    }

    .timeline-item h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .timeline-item p {
      margin: 0;
      color: var(--text-soft);
      max-width: 720px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .scenario-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.68);
      padding: 26px;
      min-height: 260px;
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .scenario-card:hover {
      transform: translateY(-2px);
      border-color: var(--border-strong);
      background: #fff;
    }

    .scenario-card h3 {
      margin: 16px 0 12px;
      font-size: 24px;
    }

    .scenario-card p {
      color: var(--text-soft);
      margin: 0 0 18px;
    }

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

    .mini-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text-soft);
      font-size: 15px;
    }

    .mini-list li::before {
      content: "";
      width: 18px;
      height: 1px;
      background: var(--accent);
      margin-top: 13px;
      flex: 0 0 18px;
    }

    .faq-wrap {
      border-top: 1px solid var(--border);
    }

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

    .faq-trigger {
      width: 100%;
      min-height: 64px;
      padding: 20px 0;
      border: 0;
      background: transparent;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      text-align: left;
      color: var(--text);
      font-weight: 760;
      font-size: 18px;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
      flex: 0 0 28px;
      color: var(--accent-dark);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--accent-soft);
    }

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease-out;
    }

    .faq-content p {
      margin: 0;
      padding: 0 52px 22px 0;
      color: var(--text-soft);
    }

    .cta-section {
      background: var(--surface-muted);
      border-top: 1px solid var(--border);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: .78fr 1fr;
      gap: 42px;
      align-items: start;
    }

    .cta-copy h2 {
      margin: 0 0 16px;
      font-size: clamp(28px, 3.4vw, 48px);
      line-height: 1.16;
    }

    .cta-copy p {
      color: var(--text-soft);
      margin: 0 0 22px;
    }

    .form-card {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.76);
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }

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

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: var(--text);
      font-size: 13px;
      font-weight: 700;
    }

    .form-control {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #fff;
      padding: 11px 13px;
      color: var(--text);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    textarea.form-control {
      min-height: 118px;
      resize: vertical;
    }

    .form-control:focus {
      border-color: rgba(183,71,85,.58);
      box-shadow: 0 0 0 4px rgba(183,71,85,.12);
      background: #fff;
    }

    .form-hint {
      margin: 14px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .site-footer {
      border-top: 1px solid var(--border);
      background: rgba(251,250,247,.86);
      padding: 34px 0;
    }

    .footer-grid {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 32px;
    }

    .footer-name {
      font-weight: 800;
      margin-bottom: 8px;
    }

    .footer-note {
      color: var(--muted);
      font-size: 13px;
      max-width: 560px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 18px;
      justify-content: flex-end;
      font-size: 14px;
      color: var(--text-soft);
    }

    .footer-links a:hover {
      color: var(--accent-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 520ms ease-out, transform 520ms ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 36px, var(--container));
      }

      .desktop-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .mobile-panel.open {
        display: block;
      }

      .hero-grid,
      .access-layout,
      .verify-grid,
      .cta-grid {
        grid-template-columns: 1fr;
      }

      .demo-panel {
        min-height: auto;
      }

      .side-panel {
        position: static;
      }

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

    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }

      .hero {
        padding: 56px 0 42px;
      }

      .hero h1 {
        font-size: 40px;
      }

      .hero-copy {
        font-size: 16px;
      }

      .section-head {
        display: grid;
        gap: 14px;
        margin-bottom: 26px;
      }

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

      .list-index {
        width: 44px;
        height: 44px;
      }

      .arrow {
        display: none;
      }

      .check-grid,
      .scenario-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        display: grid;
      }

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-wrap {
        min-height: 68px;
      }

      .brand {
        font-size: 15px;
        gap: 9px;
      }

      .brand-mark {
        width: 26px;
        height: 26px;
      }

      .hero h1 {
        font-size: 34px;
        line-height: 1.12;
      }

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

      .quick-strip {
        grid-template-columns: 1fr;
      }

      .quick-item {
        min-height: auto;
      }

      .demo-title {
        align-items: flex-start;
        flex-direction: column;
      }

      .list-card {
        padding: 16px;
        gap: 14px;
      }

      .faq-trigger {
        font-size: 16px;
      }

      .faq-content p {
        padding-right: 0;
      }

      .form-card,
      .scenario-card {
        padding: 20px;
      }
    }