/* roulang page: index */
:root{
      --bg: #eef4fb;
      --bg-soft: #f7fbff;
      --surface: #ffffff;
      --surface-2: #f4f8fc;
      --line: #d6e1ec;
      --line-strong: #c4d2df;
      --text: #17324a;
      --muted: #5f7285;
      --primary: #4670a1;
      --primary-strong: #355b86;
      --primary-soft: #e8f0f8;
      --accent: #bb945a;
      --accent-soft: #f5efe4;
      --shadow-sm: 0 8px 24px rgba(28, 60, 88, 0.06);
      --shadow-md: 0 18px 40px rgba(28, 60, 88, 0.10);
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --sidebar-width: 248px;
      --transition: 180ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 86% 8%, rgba(70,112,161,0.08), transparent 18%),
        radial-gradient(circle at 18% 0%, rgba(187,148,90,0.06), transparent 15%),
        linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, textarea, select { font: inherit; }
    ::selection { background: rgba(70,112,161,0.16); color: var(--text); }

    .site-shell { min-height: 100vh; position: relative; }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 27, 39, 0.22);
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition);
      z-index: 35;
    }
    body.nav-open .drawer-overlay {
      opacity: 1;
      pointer-events: auto;
    }

    .mobile-bar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      padding: 0 16px;
      background: rgba(255,255,255,0.98);
      border-bottom: 1px solid var(--line);
      z-index: 45;
      align-items: center;
      justify-content: space-between;
    }

    .mobile-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(180deg, #5e85b1 0%, #476f9c 100%);
      color: #fff;
      font-weight: 800;
      box-shadow: 0 10px 22px rgba(70,112,161,0.18);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .brand-title {
      font-size: 16px;
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-sub {
      font-size: 12px;
      color: var(--muted);
      margin-top: 2px;
    }

    .menu-toggle {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition);
    }
    .menu-toggle:hover {
      border-color: var(--line-strong);
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }
    .menu-toggle:focus-visible {
      outline: 3px solid rgba(70,112,161,0.28);
      outline-offset: 2px;
    }
    .menu-icon {
      width: 18px;
      height: 12px;
      position: relative;
    }
    .menu-icon span {
      position: absolute;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 999px;
    }
    .menu-icon span:nth-child(1) { top: 0; }
    .menu-icon span:nth-child(2) { top: 5px; }
    .menu-icon span:nth-child(3) { bottom: 0; }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--sidebar-width);
      background: rgba(255,255,255,0.96);
      border-right: 1px solid var(--line);
      box-shadow: 0 12px 36px rgba(28, 60, 88, 0.06);
      z-index: 40;
      display: flex;
      flex-direction: column;
      padding: 22px 18px 18px;
    }

    .sidebar-brand {
      padding: 2px 4px 16px;
      border-bottom: 1px solid var(--line);
      margin-bottom: 18px;
    }
    .sidebar-brand .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sidebar-brand .brand-copy {
      min-width: 0;
    }
    .sidebar-brand .brand-copy p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding: 4px 0 14px;
    }
    .nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 14px;
      border: 1px solid transparent;
      color: var(--text);
      font-weight: 600;
      background: transparent;
      transition: all var(--transition);
    }
    .nav-link span {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }
    .nav-link .dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: #cbd8e6;
      flex: 0 0 auto;
    }
    .nav-link:hover {
      background: var(--primary-soft);
      border-color: #cedceb;
      transform: translateX(2px);
    }
    .nav-link.active {
      background: #eaf2fb;
      border-color: #c6d6e5;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
    }
    .nav-link.active .dot {
      background: var(--primary);
    }
    .nav-link:focus-visible {
      outline: 3px solid rgba(70,112,161,0.26);
      outline-offset: 2px;
    }

    .sidebar-meta {
      margin-top: auto;
      padding: 16px 14px;
      border-radius: 16px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, #fbfdff 0%, #f3f8fc 100%);
    }
    .sidebar-meta .meta-title {
      font-weight: 700;
      margin: 0 0 6px;
    }
    .sidebar-meta .meta-text {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .content {
      margin-left: var(--sidebar-width);
      padding: 28px 28px 40px;
    }
    .content-inner {
      max-width: 1320px;
      margin: 0 auto;
    }

    .section {
      background: rgba(255,255,255,0.92);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 28px;
      margin-bottom: 22px;
      position: relative;
      overflow: hidden;
    }
    .section::before {
      content: "";
      position: absolute;
      inset: 0 auto auto 0;
      width: 100%;
      height: 1px;
      background: linear-gradient(90deg, rgba(70,112,161,0.16), transparent 70%);
      pointer-events: none;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }
    .section-kicker {
      margin: 0 0 6px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }
    .section-title {
      margin: 0;
      font-size: 24px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -0.03em;
    }
    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
      max-width: 64ch;
    }

    .hero {
      padding: 30px;
      background:
        radial-gradient(circle at 88% 22%, rgba(70,112,161,0.10), transparent 18%),
        linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    }
    .hero-wrap {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 22px;
      align-items: stretch;
    }
    .hero-copy {
      padding: 8px 2px 4px;
    }
    .brand-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--accent-soft);
      border: 1px solid #eadfcd;
      color: #8b6a36;
      font-size: 12px;
      font-weight: 700;
    }
    .brand-badge .mini-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
    }
    .hero h1 {
      margin: 16px 0 14px;
      font-size: clamp(32px, 4vw, 56px);
      line-height: 1.08;
      font-weight: 800;
      letter-spacing: -0.04em;
      max-width: 12em;
    }
    .hero-lead {
      margin: 0;
      max-width: 60ch;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
    }
    .cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .btn {
      min-height: 48px;
      padding: 0 18px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      transition: all var(--transition);
      border: 1px solid transparent;
      cursor: pointer;
    }
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    .btn:focus-visible {
      outline: 3px solid rgba(70,112,161,0.28);
      outline-offset: 2px;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 12px 26px rgba(70,112,161,0.16);
    }
    .btn-primary:hover {
      background: var(--primary-strong);
      border-color: var(--primary-strong);
    }
    .btn-secondary {
      background: #fff;
      color: var(--primary);
      border-color: #c8d6e3;
    }
    .btn-secondary:hover {
      background: #f3f8fc;
      border-color: #b8cad9;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      color: var(--muted);
      background: #f6f9fc;
      border: 1px solid var(--line);
    }
    .chip strong {
      color: var(--text);
      font-weight: 700;
    }

    .hero-panel {
      display: grid;
      gap: 14px;
      align-content: start;
    }
    .vision-card, .pain-card, .solution-card, .result-card, .quote-card, .cta-panel, .footer-card, .faq-shell {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: 0 10px 24px rgba(28, 60, 88, 0.05);
    }
    .vision-card {
      padding: 18px;
    }
    .vision-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 14px;
    }
    .vision-title {
      margin: 0;
      font-size: 15px;
      font-weight: 800;
    }
    .vision-badge {
      padding: 6px 10px;
      border-radius: 999px;
      background: #eef5fb;
      border: 1px solid #d4e2ee;
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
    }
    .vision-stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    .metric-mini {
      padding: 14px 12px;
      border-radius: 14px;
      background: #f8fbfe;
      border: 1px solid var(--line);
      min-height: 92px;
    }
    .metric-mini .num {
      display: block;
      font-size: 28px;
      line-height: 1;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.03em;
    }
    .metric-mini .label {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }
    .vision-plate {
      padding: 16px;
      border-radius: 18px;
      border: 1px dashed #c8d7e5;
      background:
        linear-gradient(180deg, rgba(233,241,249,0.75), rgba(248,251,254,0.95));
    }
    .vision-plate .plate-title {
      margin: 0 0 8px;
      font-weight: 800;
    }
    .vision-plate .plate-text {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .vision-list {
      margin: 12px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .vision-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .vision-list .tick {
      width: 18px;
      height: 18px;
      border-radius: 999px;
      background: #edf4fb;
      border: 1px solid #d3e0ea;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .pain-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 16px;
    }
    .pain-card {
      padding: 22px;
      background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    }
    .pain-main {
      min-height: 100%;
    }
    .pain-main .pain-kicker {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: #f3f7fb;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .pain-main h3 {
      margin: 0 0 12px;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 800;
    }
    .pain-main p {
      margin: 0;
      color: var(--muted);
      line-height: 1.85;
    }
    .pain-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .pain-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
    }
    .pain-bullet {
      width: 28px;
      height: 28px;
      border-radius: 10px;
      background: #edf4fb;
      border: 1px solid #d6e3ef;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex: 0 0 auto;
    }
    .pain-list strong {
      display: block;
      margin-bottom: 4px;
      font-size: 14px;
    }
    .pain-list span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .pain-side {
      display: grid;
      gap: 14px;
    }
    .mini-pain {
      padding: 18px;
      min-height: 146px;
    }
    .mini-pain h4 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.35;
      font-weight: 800;
    }
    .mini-pain p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }
    .mini-pain .mini-tag {
      display: inline-flex;
      margin-bottom: 12px;
      padding: 5px 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      border: 1px solid #e6d8c2;
      color: #8b6a36;
      font-size: 12px;
      font-weight: 700;
    }

    .solution-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 16px;
      align-items: stretch;
    }
    .solution-card {
      padding: 22px;
    }
    .process-steps {
      display: grid;
      gap: 14px;
    }
    .process-step {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 16px;
      background: #f8fbfe;
      border: 1px solid var(--line);
    }
    .step-index {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: #eaf2fb;
      border: 1px solid #cedceb;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      flex: 0 0 auto;
    }
    .process-step h4 {
      margin: 0 0 6px;
      font-size: 16px;
      line-height: 1.35;
      font-weight: 800;
    }
    .process-step p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }
    .solution-side {
      display: grid;
      gap: 14px;
    }
    .detail-card {
      padding: 20px;
      background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
    }
    .detail-card h4 {
      margin: 0 0 10px;
      font-size: 17px;
      font-weight: 800;
    }
    .check-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }
    .check-list .check {
      width: 18px;
      height: 18px;
      border-radius: 999px;
      background: #edf4fb;
      border: 1px solid #d4e2ee;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .category-card {
      padding: 24px;
      background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-height: 100%;
    }
    .category-card .topline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .category-card h3 {
      margin: 0;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 800;
    }
    .category-card .summary {
      margin: 0;
      color: var(--muted);
      line-height: 1.8;
      font-size: 14px;
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 11px;
      border-radius: 999px;
      background: #f5f8fb;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      font-weight: 600;
    }
    .category-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: auto;
      padding-top: 4px;
    }
    .category-note {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .results-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-bottom: 16px;
    }
    .result-card {
      padding: 22px;
      background: #fff;
    }
    .result-number {
      display: block;
      font-size: 34px;
      line-height: 1;
      font-weight: 800;
      letter-spacing: -0.04em;
      color: var(--primary);
    }
    .result-label {
      display: block;
      margin-top: 10px;
      font-weight: 700;
      font-size: 15px;
    }
    .result-text {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .contrast-card {
      padding: 22px;
      background: linear-gradient(180deg, #ffffff 0%, #f6fafc 100%);
    }
    .contrast-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }
    .contrast-head h3 {
      margin: 0;
      font-size: 18px;
      font-weight: 800;
    }
    .contrast-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .contrast-col {
      padding: 16px;
      border-radius: 16px;
      border: 1px solid var(--line);
      background: #fff;
    }
    .contrast-col strong {
      display: block;
      margin-bottom: 10px;
      font-size: 15px;
    }
    .contrast-col ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .contrast-col li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .contrast-col .mark {
      width: 18px;
      height: 18px;
      border-radius: 999px;
      background: #eef4fb;
      border: 1px solid #d6e2ee;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .quote-card {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      min-height: 100%;
    }
    .quote-top {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #edf4fb;
      border: 1px solid #d4e2ee;
      color: var(--primary);
      font-weight: 800;
      flex: 0 0 auto;
    }
    .person {
      min-width: 0;
    }
    .person strong {
      display: block;
      font-size: 15px;
      line-height: 1.25;
    }
    .person span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
    }
    .quote-card p {
      margin: 0;
      color: var(--text);
      font-size: 14px;
      line-height: 1.85;
    }
    .quote-card p em {
      font-style: normal;
      color: var(--primary);
      font-weight: 700;
    }

    .faq-shell {
      padding: 22px;
      background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
    }
    .accordion {
      margin: 0;
      border: 0;
      background: transparent;
    }
    .accordion-item {
      border: 0;
      background: transparent;
      margin-bottom: 10px;
    }
    .accordion-title {
      position: relative;
      padding: 16px 52px 16px 18px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      color: var(--text);
      font-weight: 700;
      font-size: 15px;
      line-height: 1.6;
      transition: all var(--transition);
    }
    .accordion-title:hover {
      background: #f8fbfe;
      border-color: #c8d6e2;
    }
    .accordion-title:focus-visible {
      outline: 3px solid rgba(70,112,161,0.26);
      outline-offset: 2px;
    }
    .accordion-title::before {
      right: 20px;
      color: var(--primary);
      margin-top: -10px;
      font-size: 22px;
    }
    .accordion-content {
      margin-top: -10px;
      padding: 18px 18px 16px;
      border: 1px solid var(--line);
      border-top: 0;
      border-radius: 0 0 14px 14px;
      background: #f8fbfe;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }
    .accordion-content p {
      margin: 0;
    }
    .accordion-content strong {
      color: var(--text);
    }

    .cta-panel {
      padding: 28px;
      background:
        radial-gradient(circle at 82% 25%, rgba(70,112,161,0.10), transparent 17%),
        linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }
    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: 26px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -0.03em;
    }
    .cta-panel p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      max-width: 60ch;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 12px;
    }

    .footer {
      padding: 6px 0 10px;
    }
    .footer-card {
      padding: 24px;
      background: rgba(255,255,255,0.94);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
      gap: 18px;
    }
    .footer-title {
      margin: 0 0 12px;
      font-size: 15px;
      font-weight: 800;
    }
    .footer-text {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }
    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
      transition: color var(--transition), transform var(--transition);
      display: inline-flex;
      width: fit-content;
    }
    .footer-links a:hover {
      color: var(--primary);
      transform: translateX(2px);
    }
    .footer-links a:focus-visible {
      outline: 3px solid rgba(70,112,161,0.26);
      outline-offset: 2px;
      border-radius: 8px;
    }
    .footer-bottom {
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid var(--line);
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      align-items: center;
      justify-content: space-between;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .subtle-line {
      height: 1px;
      background: linear-gradient(90deg, rgba(70,112,161,0.18), rgba(70,112,161,0.04), transparent);
      margin: 2px 0 0;
    }

    @media (max-width: 1200px) {
      .hero-wrap,
      .pain-grid,
      .solution-grid,
      .cta-grid {
        grid-template-columns: 1fr;
      }
      .results-grid,
      .testimonials-grid,
      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .category-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 1024px) {
      .mobile-bar { display: flex; }
      .sidebar {
        width: 320px;
        top: 64px;
        height: calc(100vh - 64px);
        transform: translateX(-106%);
        transition: transform 220ms ease;
        z-index: 44;
        padding-top: 18px;
      }
      body.nav-open .sidebar {
        transform: translateX(0);
      }
      .content {
        margin-left: 0;
        padding: 92px 16px 24px;
      }
      .section {
        padding: 22px;
      }
      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 767px) {
      .mobile-bar { height: 60px; }
      .sidebar {
        width: min(92vw, 340px);
        top: 60px;
        height: calc(100vh - 60px);
      }
      .content {
        padding: 84px 12px 18px;
      }
      .hero {
        padding: 22px;
      }
      .section-title {
        font-size: 22px;
      }
      .hero h1 {
        font-size: 30px;
        max-width: 100%;
      }
      .hero-lead,
      .section-desc,
      .footer-text {
        font-size: 14px;
      }
      .cta-row,
      .cta-actions {
        width: 100%;
      }
      .btn {
        width: 100%;
      }
      .vision-stat-grid,
      .results-grid,
      .testimonials-grid,
      .footer-grid,
      .contrast-grid {
        grid-template-columns: 1fr;
      }
      .process-step {
        grid-template-columns: 1fr;
      }
      .step-index {
        width: 44px;
        height: 44px;
        border-radius: 14px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .category-footer {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-link {
        padding: 13px 14px;
      }
      .accordion-title {
        padding-right: 46px;
        font-size: 14px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category1 */
:root{
      --color-primary:#4f86a6;
      --color-primary-dark:#3d718f;
      --color-primary-soft:#eaf3f8;
      --color-accent:#b99b63;
      --color-accent-soft:#f6efe2;
      --color-bg:#f7fbfd;
      --color-surface:#ffffff;
      --color-surface-2:#f1f6f9;
      --color-text:#172b38;
      --color-muted:#667985;
      --color-light:#8da0aa;
      --color-border:#dce8ee;
      --shadow-sm:0 8px 22px rgba(38,76,96,.08);
      --shadow-md:0 16px 42px rgba(38,76,96,.12);
      --shadow-lg:0 24px 70px rgba(38,76,96,.16);
      --radius-sm:12px;
      --radius-md:16px;
      --radius-lg:24px;
      --radius-xl:30px;
      --sidebar:238px;
      --container:1180px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 88% 8%, rgba(79,134,166,.14), transparent 34%),
        linear-gradient(180deg,#fbfdfe 0%,var(--color-bg) 48%,#fff 100%);
      line-height:1.72;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(79,134,166,.18)}
    :focus-visible{
      outline:3px solid rgba(79,134,166,.38);
      outline-offset:3px;
      border-radius:10px;
    }

    .page-shell{min-height:100vh}
    .main-wrap{
      margin-left:var(--sidebar);
      min-height:100vh;
    }
    .content-container{
      width:min(var(--container),calc(100% - 48px));
      margin:0 auto;
    }
    .section{
      padding:64px 0;
    }
    .section-tight{
      padding:38px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
      border:1px solid rgba(79,134,166,.16);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 4px rgba(185,155,99,.15);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,4.2vw,58px);
      line-height:1.12;
      letter-spacing:-.04em;
      margin-bottom:18px;
      font-weight:800;
    }
    h2{
      font-size:clamp(25px,2.7vw,36px);
      line-height:1.22;
      letter-spacing:-.025em;
      margin-bottom:10px;
      font-weight:800;
    }
    h3{
      font-size:20px;
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
    }
    .lead{
      font-size:17px;
      color:var(--color-muted);
      max-width:760px;
    }
    .muted{color:var(--color-muted)}
    .small-note{font-size:13px;color:var(--color-light)}

    .mobile-bar{
      display:none;
      position:sticky;
      top:0;
      z-index:80;
      align-items:center;
      justify-content:space-between;
      padding:12px 18px;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--color-border);
    }
    .mobile-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(145deg,var(--color-primary),#7faec4);
      box-shadow:0 10px 24px rgba(79,134,166,.22);
      flex:0 0 auto;
    }
    .brand-title{
      font-size:16px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      font-size:12px;
      color:var(--color-muted);
      line-height:1.35;
    }
    .menu-toggle{
      width:44px;
      height:44px;
      border:1px solid var(--color-border);
      border-radius:14px;
      background:#fff;
      display:grid;
      place-items:center;
      box-shadow:var(--shadow-sm);
    }
    .menu-icon{
      width:18px;
      display:flex;
      flex-direction:column;
      gap:4px;
    }
    .menu-icon span{
      height:2px;
      border-radius:99px;
      background:var(--color-primary-dark);
      display:block;
    }

    .sidebar{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar);
      z-index:90;
      background:rgba(255,255,255,.95);
      border-right:1px solid var(--color-border);
      box-shadow:12px 0 32px rgba(38,76,96,.06);
      padding:22px 16px;
      display:flex;
      flex-direction:column;
      backdrop-filter:blur(16px);
    }
    .side-logo{
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 8px 22px;
      border-bottom:1px solid var(--color-border);
      margin-bottom:18px;
    }
    .side-logo:hover .brand-mark{transform:translateY(-2px)}
    .side-logo .brand-mark{transition:var(--ease)}
    .side-nav{
      display:flex;
      flex-direction:column;
      gap:8px;
      margin-top:4px;
    }
    .nav-link{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      color:var(--color-muted);
      font-weight:750;
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
      border-color:rgba(79,134,166,.12);
      transform:translateX(2px);
    }
    .nav-link.active{
      color:var(--color-primary-dark);
      background:#fff;
      border-color:rgba(79,134,166,.24);
      box-shadow:var(--shadow-sm);
    }
    .nav-ico{
      width:32px;
      height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--color-surface-2);
      color:var(--color-primary-dark);
      font-size:15px;
      flex:0 0 auto;
    }
    .nav-link.active .nav-ico{
      background:var(--color-primary);
      color:#fff;
    }
    .side-panel{
      margin-top:auto;
      padding:16px;
      border:1px solid var(--color-border);
      border-radius:20px;
      background:linear-gradient(180deg,#fff,var(--color-primary-soft));
    }
    .side-panel strong{
      display:block;
      margin-bottom:6px;
      font-size:14px;
    }
    .side-panel p{
      margin:0 0 12px;
      font-size:13px;
      color:var(--color-muted);
      line-height:1.6;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--ease);
      line-height:1;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 14px 28px rgba(79,134,166,.20);
    }
    .btn-primary:hover{
      color:#fff;
      background:var(--color-primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(79,134,166,.26);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary-dark);
      border-color:var(--color-border);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
      transform:translateY(-2px);
    }
    .btn-soft{
      background:var(--color-accent-soft);
      color:#80683d;
      border-color:rgba(185,155,99,.22);
    }
    .btn-soft:hover{
      color:#6b5632;
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }

    .hero{
      padding:40px 0 30px;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,255,255,.96),rgba(241,248,251,.95)),
        radial-gradient(circle at 90% 12%,rgba(185,155,99,.16),transparent 36%);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-md);
      padding:34px;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      right:-80px;
      top:-90px;
      width:300px;
      height:300px;
      border-radius:50%;
      background:rgba(79,134,166,.10);
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--color-muted);
      font-size:14px;
      margin-bottom:22px;
      position:relative;
      z-index:1;
    }
    .breadcrumb a{
      color:var(--color-primary-dark);
      font-weight:700;
    }
    .breadcrumb a:hover{text-decoration:underline}
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:34px;
      align-items:center;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:24px 0 20px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-muted);
      font-size:13px;
      font-weight:700;
    }
    .tag strong{color:var(--color-primary-dark)}
    .visual-panel{
      position:relative;
      min-height:360px;
      border-radius:26px;
      background:linear-gradient(145deg,#edf6fa,#ffffff);
      border:1px solid var(--color-border);
      padding:18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.9),var(--shadow-sm);
    }
    .visual-card{
      position:absolute;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
      padding:18px;
    }
    .visual-card.main{
      left:22px;
      right:46px;
      top:30px;
    }
    .visual-card.mid{
      left:58px;
      right:24px;
      top:145px;
      background:#fbfdfe;
    }
    .visual-card.bottom{
      left:24px;
      right:80px;
      bottom:28px;
      background:var(--color-accent-soft);
      border-color:rgba(185,155,99,.24);
    }
    .visual-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      margin-bottom:12px;
    }
    .bar-list{
      display:grid;
      gap:10px;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:var(--color-primary-soft);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--color-primary),#88b6ca);
    }

    .chips{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      padding:16px;
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
    }
    .chip{
      border:none;
      border-radius:999px;
      padding:10px 15px;
      background:var(--color-surface-2);
      color:var(--color-muted);
      font-weight:800;
      transition:var(--ease);
    }
    .chip:hover,.chip.active{
      background:var(--color-primary);
      color:#fff;
      transform:translateY(-1px);
    }

    .directory-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 318px;
      gap:24px;
      align-items:start;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
      margin-bottom:18px;
    }
    .stack-grid{
      display:grid;
      gap:18px;
    }
    .standard-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(79,134,166,.28);
    }
    .card-body{padding:22px}
    .card-feature{
      min-height:100%;
      background:
        linear-gradient(145deg,#ffffff 0%,#f2f8fb 100%);
      position:relative;
    }
    .card-feature::before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:5px;
      background:linear-gradient(90deg,var(--color-primary),#8fb8c9,var(--color-accent));
    }
    .card-kicker{
      color:var(--color-primary-dark);
      font-weight:900;
      font-size:13px;
      margin-bottom:12px;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .card-kicker::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-accent);
    }
    .card p{
      color:var(--color-muted);
      margin-bottom:16px;
    }
    .meta-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:20px;
      padding-top:16px;
      border-top:1px solid var(--color-border);
      color:var(--color-light);
      font-size:13px;
      font-weight:700;
    }
    .mini-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .mini-badge{
      font-size:12px;
      color:var(--color-primary-dark);
      background:var(--color-primary-soft);
      border:1px solid rgba(79,134,166,.12);
      border-radius:999px;
      padding:6px 9px;
      font-weight:800;
    }
    .index-num{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--color-primary);
      font-weight:900;
      box-shadow:0 10px 20px rgba(79,134,166,.18);
      margin-bottom:16px;
    }

    .assist{
      position:sticky;
      top:22px;
      display:grid;
      gap:18px;
    }
    .assist-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      padding:20px;
      box-shadow:var(--shadow-sm);
    }
    .assist-card.soft{
      background:linear-gradient(180deg,var(--color-primary-soft),#fff);
    }
    .assist-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .assist-list li{
      display:flex;
      gap:10px;
      color:var(--color-muted);
      font-size:14px;
    }
    .assist-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-primary);
      flex:0 0 auto;
      margin-top:9px;
    }
    .assist-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .process-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .process-row{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      margin-top:24px;
    }
    .process-item{
      padding:18px;
      border-radius:20px;
      background:var(--color-surface-2);
      border:1px solid rgba(220,232,238,.8);
      position:relative;
    }
    .process-item strong{
      display:block;
      margin-bottom:8px;
      font-size:16px;
    }
    .process-item p{
      margin:0;
      color:var(--color-muted);
      font-size:14px;
    }

    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
      align-items:stretch;
    }
    .compare-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--color-border);
      background:#fff;
      padding:24px;
      box-shadow:var(--shadow-sm);
    }
    .compare-card.highlight{
      background:linear-gradient(145deg,#ffffff,var(--color-primary-soft));
      border-color:rgba(79,134,166,.24);
    }
    .check-list{
      list-style:none;
      margin:16px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--color-muted);
    }
    .check-list li::before{
      content:"✓";
      display:grid;
      place-items:center;
      width:22px;
      height:22px;
      border-radius:50%;
      background:rgba(79,134,166,.12);
      color:var(--color-primary-dark);
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }

    .faq-wrap{
      background:linear-gradient(180deg,#fff,var(--color-surface-2));
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      padding:28px;
      box-shadow:var(--shadow-sm);
    }
    .accordion{
      background:transparent;
      margin:20px 0 0;
    }
    .accordion-item{
      border:1px solid var(--color-border);
      border-radius:18px;
      overflow:hidden;
      background:#fff;
      margin-bottom:12px;
      box-shadow:0 6px 18px rgba(38,76,96,.05);
    }
    .accordion-title{
      color:var(--color-text);
      font-weight:900;
      font-size:16px;
      padding:18px 52px 18px 18px;
      border:none;
      line-height:1.5;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }
    .accordion-title::before{
      right:18px;
      font-size:22px;
      color:var(--color-primary-dark);
    }
    .accordion-content{
      border:none;
      color:var(--color-muted);
      padding:0 18px 20px;
      line-height:1.75;
    }
    .accordion-content strong{color:var(--color-text)}

    .cta{
      padding:0 0 64px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 85% 20%,rgba(185,155,99,.18),transparent 34%),
        linear-gradient(135deg,#416f88,#5f97b4);
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow-lg);
    }
    .cta-card::after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      border-radius:50%;
      right:-150px;
      bottom:-180px;
      background:rgba(255,255,255,.12);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:rgba(255,255,255,.84);margin:0;max-width:720px}
    .cta .btn-secondary{
      background:#fff;
      color:var(--color-primary-dark);
      border-color:rgba(255,255,255,.4);
    }

    .footer{
      margin-left:var(--sidebar);
      padding:0 0 28px;
    }
    .footer-card{
      width:min(var(--container),calc(100% - 48px));
      margin:0 auto;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      background:#fff;
      box-shadow:var(--shadow-sm);
      padding:28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .8fr .85fr 1fr;
      gap:28px;
    }
    .footer-title{
      font-size:16px;
      margin-bottom:12px;
    }
    .footer-text{
      color:var(--color-muted);
      font-size:14px;
      margin:0;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--color-muted);
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{
      color:var(--color-primary-dark);
      padding-left:3px;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid var(--color-border);
      color:var(--color-light);
      font-size:13px;
      flex-wrap:wrap;
    }

    .drawer-mask{
      position:fixed;
      inset:0;
      background:rgba(18,43,56,.34);
      z-index:85;
      opacity:0;
      pointer-events:none;
      transition:var(--ease);
    }
    .drawer-mask.show{
      opacity:1;
      pointer-events:auto;
    }

    @media (max-width:1180px){
      :root{--sidebar:218px}
      .hero-inner{grid-template-columns:1fr}
      .visual-panel{min-height:310px}
      .directory-layout{grid-template-columns:1fr}
      .assist{position:static;grid-template-columns:repeat(3,minmax(0,1fr))}
      .process-row{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:1024px){
      .mobile-bar{display:flex}
      .main-wrap,.footer{margin-left:0}
      .sidebar{
        transform:translateX(-105%);
        transition:var(--ease);
        width:286px;
      }
      .sidebar.open{
        transform:translateX(0);
      }
      .content-container,.footer-card{width:min(100% - 32px,var(--container))}
      .hero{padding-top:24px}
      .assist{grid-template-columns:1fr}
    }

    @media (max-width:768px){
      .section{padding:48px 0}
      .hero-card{padding:24px;border-radius:24px}
      .feature-grid,.standard-grid,.compare{grid-template-columns:1fr}
      .section-head{display:block}
      .process-row{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr}
      .visual-card.main{left:14px;right:28px;top:20px}
      .visual-card.mid{left:30px;right:14px;top:130px}
      .visual-card.bottom{left:14px;right:42px;bottom:20px}
      .chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:14px}
      .chip{flex:0 0 auto}
    }

    @media (max-width:520px){
      .content-container,.footer-card{width:min(100% - 24px,var(--container))}
      .mobile-bar{padding:10px 12px}
      .brand-title{max-width:180px}
      h1{font-size:32px}
      .lead{font-size:15px}
      .hero-actions .btn{width:100%}
      .trust-row .tag{width:100%;justify-content:center}
      .visual-panel{min-height:280px;padding:12px}
      .visual-card{padding:14px;border-radius:18px}
      .card-body,.process-card,.faq-wrap,.cta-card,.footer-card{padding:22px}
      .meta-row{display:block}
      .mini-badges{margin-top:10px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }

/* roulang page: category2 */
:root{
      --bg:#f4f8fc;
      --bg-soft:#eef4fa;
      --panel:#ffffff;
      --panel-soft:#f8fbfe;
      --line:#d9e3ee;
      --line-strong:#c6d5e4;
      --text:#17324a;
      --muted:#637487;
      --soft:#8797a8;
      --primary:#4a78a2;
      --primary-deep:#365f84;
      --primary-soft:#dce9f4;
      --accent:#c8a96a;
      --accent-soft:#f2ead8;
      --shadow:0 16px 40px rgba(31,58,86,.08);
      --shadow-hover:0 20px 50px rgba(31,58,86,.12);
      --radius:18px;
      --radius-sm:14px;
      --radius-xs:12px;
      --nav-w:240px;
      --mobile-bar-h:70px;
      --max:1320px;
      --gap:24px;
      --gap-sm:16px;
      --transition:180ms ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(74,120,162,.08), transparent 32%),
        radial-gradient(circle at top right, rgba(200,169,106,.10), transparent 26%),
        linear-gradient(180deg, #f8fbff 0%, #f4f8fc 48%, #eef4fa 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      padding:0;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color var(--transition),background-color var(--transition),transform var(--transition),border-color var(--transition),box-shadow var(--transition)}
    a:hover{color:var(--primary-deep)}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(74,120,162,.28);outline-offset:2px}
    .site-shell{min-height:100vh}
    .mobile-bar{
      display:none;
      position:fixed;
      top:0;left:0;right:0;
      height:var(--mobile-bar-h);
      z-index:40;
      align-items:center;
      justify-content:space-between;
      padding:0 18px;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(217,227,238,.95);
      backdrop-filter:saturate(130%) blur(14px);
      box-shadow:0 8px 24px rgba(31,58,86,.06);
    }
    .mobile-brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(180deg, var(--primary-soft), #edf4fa);
      color:var(--primary-deep);
      border:1px solid var(--line);
      font-weight:800;
      letter-spacing:.06em;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.7);
      flex:0 0 auto;
    }
    .brand-text{min-width:0}
    .brand-title{
      font-size:16px;
      line-height:1.2;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      margin-top:2px;
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .menu-toggle{
      width:44px;height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:var(--panel);
      display:grid;
      place-items:center;
      box-shadow:0 8px 20px rgba(31,58,86,.06);
    }
    .menu-icon{display:grid;gap:4px}
    .menu-icon span{
      display:block;
      width:18px;height:2px;
      border-radius:99px;
      background:var(--primary-deep);
    }
    .sidebar-backdrop{
      position:fixed;
      inset:0;
      background:rgba(21,43,63,.26);
      z-index:29;
      opacity:0;
      visibility:hidden;
      transition:opacity var(--transition),visibility var(--transition);
    }
    .site-sidebar{
      position:fixed;
      top:0;left:0;
      width:var(--nav-w);
      height:100vh;
      z-index:35;
      padding:22px 18px 18px;
      border-right:1px solid rgba(217,227,238,.85);
      background:rgba(248,251,254,.94);
      backdrop-filter:saturate(140%) blur(10px);
      box-shadow:8px 0 32px rgba(31,58,86,.04);
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .sidebar-head{display:flex;flex-direction:column;gap:14px}
    .sidebar-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .sidebar-brand .brand-mark{
      width:48px;height:48px;border-radius:16px;
      font-size:18px;
    }
    .sidebar-note{
      margin:0;
      font-size:13px;
      color:var(--muted);
      line-height:1.8;
    }
    .sidebar-nav{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding-top:2px;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      min-height:46px;
      padding:11px 13px;
      border-radius:14px;
      border:1px solid transparent;
      color:var(--text);
      background:transparent;
      font-size:14px;
      font-weight:600;
      letter-spacing:.01em;
    }
    .nav-link::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:#c8d5e2;
      flex:0 0 auto;
      transition:background var(--transition),transform var(--transition);
    }
    .nav-link:hover{
      background:rgba(74,120,162,.06);
      border-color:rgba(74,120,162,.10);
      transform:translateX(2px);
    }
    .nav-link:hover::before{background:var(--primary)}
    .nav-link.active,
    .nav-link[aria-current="page"]{
      background:linear-gradient(180deg, rgba(74,120,162,.14), rgba(74,120,162,.08));
      border-color:rgba(74,120,162,.16);
      color:var(--primary-deep);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
    }
    .nav-link.active::before,
    .nav-link[aria-current="page"]::before{
      background:var(--primary-deep);
    }
    .sidebar-card{
      margin-top:auto;
      border:1px solid var(--line);
      border-radius:18px;
      background:linear-gradient(180deg, #ffffff, #f9fcff);
      box-shadow:var(--shadow);
      padding:16px;
    }
    .sidebar-card-title{
      font-size:13px;
      font-weight:800;
      color:var(--primary-deep);
      margin-bottom:8px;
      letter-spacing:.04em;
    }
    .sidebar-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .mini-stat{
      padding:10px 8px;
      border-radius:14px;
      background:var(--panel-soft);
      border:1px solid var(--line);
      text-align:center;
    }
    .mini-stat strong{
      display:block;
      font-size:16px;
      line-height:1.1;
      color:var(--primary-deep);
      margin-bottom:4px;
    }
    .mini-stat span{
      font-size:12px;
      color:var(--muted);
    }
    .page-content{
      margin-left:var(--nav-w);
      min-height:100vh;
      position:relative;
    }
    .main-content{
      padding:28px 0 28px;
    }
    .section{
      padding:26px 0;
    }
    .section-soft{
      background:linear-gradient(180deg, rgba(255,255,255,.56), rgba(255,255,255,.74));
      border-top:1px solid rgba(217,227,238,.45);
      border-bottom:1px solid rgba(217,227,238,.45);
    }
    .section-alt{
      background:linear-gradient(180deg, rgba(244,248,252,.7), rgba(248,251,254,.9));
      border-top:1px solid rgba(217,227,238,.4);
      border-bottom:1px solid rgba(217,227,238,.4);
    }
    .hero{
      padding-top:14px;
    }
    .section-inner,
    .hero-inner,
    .footer-card{
      max-width:var(--max);
      margin:0 auto;
      padding-left:24px;
      padding-right:24px;
    }
    .breadcrumb{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:12px;
      color:var(--soft);
      padding:8px 12px;
      border:1px solid rgba(217,227,238,.9);
      background:rgba(255,255,255,.75);
      border-radius:999px;
      box-shadow:0 8px 20px rgba(31,58,86,.04);
      margin-bottom:16px;
    }
    .breadcrumb a{
      color:var(--muted);
    }
    .breadcrumb span{
      color:var(--soft);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(74,120,162,.09);
      color:var(--primary-deep);
      border:1px solid rgba(74,120,162,.12);
      font-size:12px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:14px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(30px,4vw,54px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:800;
      color:var(--text);
      margin-bottom:16px;
      max-width:12ch;
    }
    h2{
      font-size:clamp(22px,2.1vw,32px);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:800;
      margin-bottom:10px;
    }
    h3{
      font-size:18px;
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
    }
    .lead{
      font-size:16px;
      line-height:1.86;
      color:var(--muted);
      max-width:56em;
      margin-bottom:22px;
    }
    .hero-actions,
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      letter-spacing:.01em;
      box-shadow:0 12px 26px rgba(31,58,86,.08);
      transition:transform var(--transition),box-shadow var(--transition),background-color var(--transition),border-color var(--transition),color var(--transition);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(31,58,86,.12)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(180deg, var(--primary), var(--primary-deep));
      border-color:rgba(41,87,122,.18);
    }
    .btn-primary:hover{
      color:#fff;
      background:linear-gradient(180deg, #5483ad, #31597d);
    }
    .btn-secondary{
      color:var(--primary-deep);
      background:#fff;
      border-color:rgba(74,120,162,.18);
      box-shadow:0 10px 22px rgba(31,58,86,.06);
    }
    .btn-secondary:hover{
      background:rgba(74,120,162,.06);
      color:var(--primary-deep);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.68);
      border-color:rgba(217,227,238,.88);
      box-shadow:none;
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.94);
      border-color:rgba(74,120,162,.14);
    }
    .hero-tags,
    .tag-row,
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .tag,
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.78);
      color:var(--muted);
      font-size:13px;
      box-shadow:0 6px 18px rgba(31,58,86,.04);
    }
    .chip{
      background:var(--panel-soft);
    }
    .hero-grid{
      align-items:center;
    }
    .hero-visual{
      position:relative;
      min-height:460px;
      border-radius:28px;
      border:1px solid rgba(217,227,238,.95);
      background:
        radial-gradient(circle at 18% 18%, rgba(74,120,162,.10), transparent 28%),
        radial-gradient(circle at 82% 24%, rgba(200,169,106,.12), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
      box-shadow:var(--shadow);
      padding:22px;
      overflow:hidden;
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:auto -30px -46px auto;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(74,120,162,.08);
      filter:blur(4px);
    }
    .hero-visual::after{
      content:"";
      position:absolute;
      inset:24px auto auto 24px;
      width:120px;
      height:120px;
      border-radius:28px;
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(238,245,251,.9));
      border:1px solid rgba(217,227,238,.92);
      transform:rotate(-8deg);
      opacity:.85;
    }
    .visual-card,
    .info-card,
    .feature-card,
    .quote-card,
    .cta-card,
    .sidebar-card,
    .panel-card,
    .timeline-card,
    .guide-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-stack{
      position:relative;
      z-index:1;
      display:grid;
      gap:14px;
      margin-left:auto;
      margin-top:32px;
      width:min(100%, 360px);
    }
    .visual-card{
      padding:16px 16px 14px;
    }
    .visual-card .kicker{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(74,120,162,.08);
      color:var(--primary-deep);
      border:1px solid rgba(74,120,162,.12);
      font-size:12px;
      font-weight:700;
      margin-bottom:10px;
    }
    .visual-card strong{
      display:block;
      font-size:18px;
      line-height:1.3;
      margin-bottom:8px;
    }
    .visual-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .visual-metric{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin-top:10px;
    }
    .visual-metric .num{
      font-size:28px;
      line-height:1;
      font-weight:800;
      color:var(--primary-deep);
    }
    .visual-metric .text{
      font-size:12px;
      color:var(--soft);
      line-height:1.5;
      text-align:right;
      max-width:12em;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:20px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:48em;
      font-size:15px;
      line-height:1.8;
    }
    .section-head .head-copy{
      max-width:55em;
    }
    .section-head.compact{margin-bottom:16px}
    .feature-card,
    .panel-card,
    .timeline-card,
    .guide-card,
    .quote-card{
      padding:20px;
      height:100%;
    }
    .feature-card.large{
      padding:24px;
      min-height:100%;
    }
    .card-label{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#8c6d2f;
      border:1px solid rgba(200,169,106,.18);
      font-size:12px;
      font-weight:700;
      margin-bottom:12px;
    }
    .feature-card p,
    .panel-card p,
    .timeline-card p,
    .guide-card p,
    .quote-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.86;
      margin-bottom:0;
    }
    .bullet-list,
    .check-list,
    .note-list{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .bullet-list li,
    .check-list li,
    .note-list li{
      position:relative;
      padding-left:26px;
      color:var(--text);
      font-size:14px;
      line-height:1.78;
    }
    .bullet-list li::before,
    .check-list li::before,
    .note-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.72em;
      width:10px;
      height:10px;
      border-radius:50%;
      background:linear-gradient(180deg, var(--primary), var(--primary-deep));
      box-shadow:0 0 0 4px rgba(74,120,162,.10);
    }
    .check-list li::before{
      width:18px;
      height:18px;
      top:.2em;
      border-radius:50%;
      background:linear-gradient(180deg, #eff5fb, #dfeaf4);
      box-shadow:none;
      border:1px solid var(--line);
    }
    .check-list li::after{
      content:"";
      position:absolute;
      left:6px;
      top:.63em;
      width:5px;
      height:9px;
      border-right:2px solid var(--primary);
      border-bottom:2px solid var(--primary);
      transform:rotate(40deg);
    }
    .side-stack{
      display:grid;
      gap:16px;
      height:100%;
    }
    .info-card{
      padding:16px;
    }
    .info-card strong{
      display:block;
      font-size:15px;
      margin-bottom:8px;
      color:var(--primary-deep);
    }
    .info-card .meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .meta-item{
      padding:7px 10px;
      border-radius:12px;
      background:var(--panel-soft);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
    }
    .stats-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:10px;
    }
    .stat-card{
      padding:18px;
      border-radius:18px;
      background:linear-gradient(180deg, #ffffff, #f8fbfe);
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(31,58,86,.05);
      min-height:128px;
    }
    .stat-card strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:var(--primary-deep);
      margin-bottom:8px;
      font-weight:800;
    }
    .stat-card span{
      display:block;
      color:var(--text);
      font-size:14px;
      font-weight:700;
      margin-bottom:4px;
    }
    .stat-card p{
      margin:0;
      font-size:13px;
      line-height:1.7;
      color:var(--muted);
    }
    .timeline-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .timeline-card{
      position:relative;
      overflow:hidden;
    }
    .timeline-card::before{
      content:"";
      position:absolute;
      left:0;top:0;right:0;
      height:4px;
      background:linear-gradient(90deg, rgba(74,120,162,.9), rgba(200,169,106,.8));
    }
    .timeline-index{
      width:38px;height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-deep);
      font-weight:800;
      margin-bottom:14px;
      border:1px solid rgba(74,120,162,.12);
    }
    .timeline-card ul{
      margin:14px 0 0;
      padding-left:18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .timeline-card li + li{margin-top:8px}
    .grid-gap{gap:18px}
    .focus-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr;
      gap:18px;
    }
    .panel-card.highlight{
      border-color:rgba(74,120,162,.18);
      background:
        radial-gradient(circle at top right, rgba(74,120,162,.06), transparent 40%),
        linear-gradient(180deg, #ffffff 0%, #f9fcff 100%);
    }
    .panel-list{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .panel-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 0;
      border-top:1px solid rgba(217,227,238,.7);
    }
    .panel-item:first-child{
      border-top:0;
      padding-top:0;
    }
    .panel-badge{
      width:30px;height:30px;
      border-radius:11px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-deep);
      border:1px solid rgba(74,120,162,.12);
      font-weight:800;
      font-size:12px;
    }
    .panel-item strong{
      display:block;
      margin-bottom:4px;
      font-size:15px;
    }
    .panel-item p{
      margin:0;
      font-size:13px;
      line-height:1.75;
      color:var(--muted);
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .scenario-box{
      padding:22px;
    }
    .scenario-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }
    .scenario-head p{
      max-width:36em;
    }
    .marker-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:18px;
    }
    .marker{
      border-radius:16px;
      border:1px solid var(--line);
      background:var(--panel-soft);
      padding:14px;
    }
    .marker strong{
      display:block;
      margin-bottom:8px;
      font-size:14px;
      color:var(--primary-deep);
    }
    .marker span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.72;
    }
    .quote-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .quote-head{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .avatar{
      width:42px;height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(180deg, var(--primary-soft), #eaf2f8);
      border:1px solid rgba(74,120,162,.12);
      color:var(--primary-deep);
      font-weight:800;
      flex:0 0 auto;
    }
    .quote-head strong{
      display:block;
      font-size:15px;
      margin-bottom:2px;
    }
    .quote-head span{
      display:block;
      font-size:12px;
      color:var(--soft);
    }
    blockquote{
      margin:0;
      padding:0;
    }
    .quote-card p{
      margin-bottom:0;
    }
    .quote-card em{
      display:block;
      margin-top:14px;
      color:var(--primary-deep);
      font-style:normal;
      font-size:13px;
      font-weight:700;
    }
    .faq-wrap{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border:1px solid var(--line);
      border-radius:16px;
      background:linear-gradient(180deg, #ffffff, #fbfdff);
      box-shadow:0 10px 22px rgba(31,58,86,.05);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(74,120,162,.18);
      box-shadow:0 16px 34px rgba(31,58,86,.08);
    }
    summary.faq-q{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      font-size:15px;
      color:var(--text);
    }
    summary.faq-q::-webkit-details-marker{display:none}
    .faq-q::after{
      content:"+";
      width:28px;height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      color:var(--primary-deep);
      background:var(--panel-soft);
      flex:0 0 auto;
      transition:transform var(--transition),background-color var(--transition);
      font-weight:700;
    }
    details[open] .faq-q::after{
      content:"–";
      background:rgba(74,120,162,.08);
    }
    .faq-a{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.86;
    }
    .faq-a strong{color:var(--text)}
    .cta-section{
      padding-bottom:34px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:26px;
      background:
        radial-gradient(circle at top right, rgba(200,169,106,.15), transparent 30%),
        radial-gradient(circle at left bottom, rgba(74,120,162,.12), transparent 34%),
        linear-gradient(180deg, #ffffff, #f8fbfe);
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      pointer-events:none;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
    }
    .cta-copy{
      max-width:52em;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.86;
    }
    .cta-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(200,169,106,.12);
      border:1px solid rgba(200,169,106,.18);
      color:#856a2a;
      font-size:12px;
      font-weight:700;
      margin-bottom:12px;
    }
    .footer{
      padding:10px 0 30px;
    }
    .footer-card{
      max-width:var(--max);
      padding-left:24px;
      padding-right:24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr 1fr;
      gap:20px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(247,250,253,.95));
      box-shadow:var(--shadow);
    }
    .footer-title{
      font-size:15px;
      font-weight:800;
      margin-bottom:12px;
      color:var(--text);
      letter-spacing:.02em;
    }
    .footer-text{
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
      margin:0;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .footer-links a:hover{
      color:var(--primary-deep);
      transform:translateX(2px);
    }
    .footer-bottom{
      margin-top:18px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--soft);
      font-size:12px;
      padding:0 4px;
    }
    .label-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .label{
      padding:8px 11px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      font-size:12px;
    }
    .small-note{
      font-size:12px;
      color:var(--soft);
      line-height:1.7;
      margin-top:12px;
    }
    .top-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .top-strip .chips{display:flex;flex-wrap:wrap;gap:10px}
    .top-strip .chip{min-height:32px}
    .subtle-rule{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(217,227,238,.95), transparent);
      margin:16px 0;
    }
    .guide-card .count{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:42px;
      height:42px;
      border-radius:14px;
      background:var(--primary-soft);
      color:var(--primary-deep);
      font-weight:800;
      margin-bottom:12px;
      border:1px solid rgba(74,120,162,.12);
    }
    .guide-card strong{
      display:block;
      font-size:16px;
      margin-bottom:8px;
    }
    .inline-pill{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(217,227,238,.95);
      background:rgba(255,255,255,.8);
      color:var(--muted);
      font-size:12px;
      margin-right:8px;
      margin-top:8px;
    }
    .last-cta{
      display:flex;
      gap:14px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .last-cta .cta-copy p{
      max-width:56em;
    }
    @media (max-width: 1200px){
      :root{--nav-w:220px}
      h1{max-width:14ch}
      .hero-visual{min-height:420px}
      .focus-grid,
      .scenario-grid{
        grid-template-columns:1fr;
      }
      .quote-grid,
      .footer-grid,
      .timeline-grid,
      .stats-strip{
        grid-template-columns:repeat(2,1fr);
      }
    }
    @media (max-width: 1024px){
      .site-sidebar{
        transform:translateX(-105%);
        transition:transform var(--transition);
        width:min(86vw, 300px);
      }
      .site-sidebar.is-open{transform:translateX(0)}
      .sidebar-backdrop.is-open{
        opacity:1;
        visibility:visible;
      }
      .mobile-bar{display:flex}
      .page-content{
        margin-left:0;
        padding-top:var(--mobile-bar-h);
      }
      .section-inner,
      .hero-inner,
      .footer-card{
        padding-left:18px;
        padding-right:18px;
      }
      .hero{
        padding-top:10px;
      }
    }
    @media (max-width: 768px){
      .main-content{padding-top:10px}
      .section{padding:20px 0}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-grid,
      .timeline-grid,
      .quote-grid,
      .footer-grid,
      .stats-strip,
      .marker-grid{
        grid-template-columns:1fr;
      }
      .hero-visual{min-height:auto}
      .hero-stack{
        width:100%;
        margin-top:18px;
      }
      h1{max-width:100%}
      .lead{font-size:15px}
      .btn{
        width:100%;
        min-height:50px;
      }
      .hero-actions,
      .cta-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .feature-card.large,
      .panel-card,
      .timeline-card,
      .guide-card,
      .quote-card,
      .cta-card,
      .scenario-box,
      .sidebar-card{
        border-radius:16px;
      }
      .mobile-brand .brand-sub{
        max-width:46vw;
      }
      .mini-stats{
        grid-template-columns:repeat(3,1fr);
      }
      .footer{
        padding-bottom:20px;
      }
    }
    @media (max-width: 520px){
      .mobile-bar{padding:0 14px}
      .brand-title{font-size:15px}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      .page-content{padding-top:var(--mobile-bar-h)}
      .section-inner,
      .hero-inner,
      .footer-card{
        padding-left:14px;
        padding-right:14px;
      }
      h1{font-size:clamp(28px,8vw,38px);line-height:1.12}
      h2{font-size:clamp(20px,6vw,26px)}
      .hero-visual{padding:16px;border-radius:22px}
      .visual-card{padding:14px}
      .stats-strip,
      .marker-grid,
      .mini-stats{
        grid-template-columns:1fr;
      }
      .footer-grid{
        padding:18px;
      }
      .footer-bottom{
        flex-direction:column;
        gap:8px;
      }
      .faq-q{
        padding:16px;
      }
      .faq-a{
        padding:0 16px 16px;
      }
    }