/* roulang page: index */
:root {
      --brand: #10b981;
      --brand-dark: #047857;
      --brand-soft: #ecfdf5;
      --ink: #111827;
      --muted: #667085;
      --weak: #f8fafc;
      --line: #dde5df;
      --line-strong: #cfd9d2;
      --amber: #f59e0b;
      --radius: 8px;
      --shadow-sm: 0 8px 24px rgba(17, 24, 39, .06);
      --shadow-md: 0 18px 50px rgba(17, 24, 39, .10);
      --shadow-xl: 0 30px 80px rgba(17, 24, 39, .14);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: #ffffff;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      letter-spacing: 0;
    }

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

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

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

    button {
      cursor: pointer;
    }

    .site-shell {
      min-height: 100vh;
      background:
        linear-gradient(180deg, rgba(236, 253, 245, .82) 0%, rgba(255, 255, 255, 0) 360px),
        #ffffff;
    }

    .container-custom {
      width: min(100% - 32px, 1180px);
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(221, 229, 223, .86);
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(14px);
    }

    .nav-wrap {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      color: #ffffff;
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      box-shadow: 0 10px 22px rgba(16, 185, 129, .24);
      flex: 0 0 auto;
    }

    .brand-text {
      max-width: 250px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 16px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 5px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #ffffff;
    }

    .nav-link {
      padding: 8px 12px;
      border-radius: 9px;
      color: #374151;
      font-size: 14px;
      font-weight: 650;
      transition: .18s ease;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

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

    .command-search {
      min-width: 230px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 10px 0 13px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #ffffff;
      color: #6b7280;
      box-shadow: var(--shadow-sm);
      transition: .18s ease;
    }

    .command-search:focus-within {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .command-search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .keycap {
      padding: 2px 7px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #f9fafb;
      color: #6b7280;
      font-size: 12px;
      white-space: nowrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 16px;
      border-radius: 10px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 760;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease, color .16s ease;
      white-space: nowrap;
    }

    .btn:active {
      transform: translateY(1px);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .menu-btn:focus-visible,
    summary:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(16, 185, 129, .28);
      outline-offset: 2px;
    }

    .btn-primary {
      color: #ffffff;
      background: var(--brand);
      box-shadow: 0 12px 24px rgba(16, 185, 129, .22);
    }

    .btn-primary:hover {
      background: var(--brand-dark);
      box-shadow: 0 16px 32px rgba(4, 120, 87, .22);
    }

    .btn-secondary {
      color: #1f2937;
      background: #ffffff;
      border-color: var(--line);
    }

    .btn-secondary:hover {
      color: var(--brand-dark);
      border-color: rgba(16, 185, 129, .45);
      background: var(--brand-soft);
    }

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #ffffff;
      color: var(--ink);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      padding: 12px 0 18px;
    }

    .section {
      padding: 76px 0;
    }

    .section-soft {
      background: var(--weak);
      border-block: 1px solid rgba(221, 229, 223, .72);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      padding: 5px 10px;
      border: 1px solid rgba(16, 185, 129, .22);
      border-radius: 999px;
      background: var(--brand-soft);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .section-title {
      margin: 0;
      font-size: 34px;
      line-height: 1.18;
      font-weight: 820;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      padding: 58px 0 74px;
    }

    .hero-banner {
      overflow: hidden;
      position: relative;
      border: 1px solid var(--line);
      border-radius: 8px;
      background:
        radial-gradient(circle at 92% 12%, rgba(16, 185, 129, .18), transparent 32%),
        linear-gradient(135deg, #ffffff 0%, #f7fbf9 52%, #eefdf7 100%);
      box-shadow: var(--shadow-xl);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
      gap: 34px;
      align-items: stretch;
      padding: 42px;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .hero h1 {
      margin: 0;
      max-width: 720px;
      font-size: 54px;
      line-height: 1.1;
      font-weight: 840;
      letter-spacing: 0;
    }

    .hero-intro {
      margin: 18px 0 0;
      max-width: 690px;
      color: #4b5563;
      font-size: 17px;
    }

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

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .status-pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 5px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #ffffff;
      color: #374151;
      font-size: 13px;
      font-weight: 720;
      white-space: nowrap;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--brand);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
      flex: 0 0 auto;
    }

    .stage {
      display: flex;
      flex-direction: column;
      min-height: 430px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: 0 20px 50px rgba(17, 24, 39, .10);
      overflow: hidden;
    }

    .stage-top {
      height: 46px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      border-bottom: 1px solid var(--line);
      background: #fbfcfd;
    }

    .window-dots {
      display: flex;
      gap: 6px;
    }

    .window-dots i {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #d1d5db;
    }

    .window-dots i:nth-child(2) {
      background: #a7f3d0;
    }

    .stage-status {
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .stage-body {
      padding: 18px;
      display: grid;
      gap: 14px;
    }

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

    .stage-card {
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 14px;
      background: #ffffff;
    }

    .stage-card.highlight {
      background: linear-gradient(180deg, #f0fdf4, #ffffff);
      border-color: rgba(16, 185, 129, .35);
    }

    .stage-card h3 {
      margin: 0 0 8px;
      font-size: 16px;
      font-weight: 800;
    }

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

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #4b5563;
      font-size: 14px;
    }

    .check-icon {
      width: 20px;
      height: 20px;
      border-radius: 6px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #ffffff;
      background: var(--brand);
      font-size: 12px;
      font-weight: 900;
      margin-top: 1px;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .matrix-item {
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fbfcfd;
    }

    .matrix-item strong {
      display: block;
      font-size: 14px;
    }

    .matrix-item span {
      color: var(--muted);
      font-size: 12px;
    }

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

    .problem-card,
    .plan-card,
    .benefit-card,
    .news-card,
    .review-card,
    .faq-box,
    .privacy-card {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .problem-card {
      display: flex;
      gap: 14px;
      padding: 18px;
      transition: .18s ease;
    }

    .problem-card:hover {
      border-color: rgba(16, 185, 129, .42);
      transform: translateY(-2px);
    }

    .icon-box {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 8px;
      color: var(--brand-dark);
      background: var(--brand-soft);
      font-weight: 900;
    }

    .problem-card h3,
    .plan-card h3,
    .benefit-card h3,
    .news-card h3 {
      margin: 0;
      font-size: 19px;
      font-weight: 820;
    }

    .problem-card p,
    .plan-card p,
    .benefit-card p,
    .news-card p,
    .review-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 15px;
    }

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

    .plan-card {
      padding: 20px;
      transition: .18s ease;
    }

    .plan-card:hover {
      border-color: rgba(16, 185, 129, .48);
      box-shadow: var(--shadow-md);
    }

    .plan-card.featured {
      min-height: 100%;
      background:
        linear-gradient(180deg, #ecfdf5 0%, #ffffff 48%),
        #ffffff;
      border-color: rgba(16, 185, 129, .4);
    }

    .mini-plans {
      display: grid;
      gap: 16px;
    }

    .ability-list {
      margin: 14px 0 18px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: #4b5563;
      font-size: 15px;
    }

    .ability-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .data-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border: 1px solid rgba(16, 185, 129, .24);
      border-radius: 8px;
      overflow: hidden;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .data-item {
      padding: 24px;
      border-right: 1px solid var(--line);
      background: linear-gradient(180deg, #ffffff, #f7fffb);
    }

    .data-item:last-child {
      border-right: 0;
    }

    .data-number {
      display: block;
      color: var(--brand-dark);
      font-size: 34px;
      line-height: 1;
      font-weight: 860;
    }

    .data-label {
      display: block;
      margin-top: 9px;
      font-weight: 800;
    }

    .data-note {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 16px;
    }

    .benefit-card {
      padding: 20px;
    }

    .benefit-card.large {
      background: #111827;
      color: #ffffff;
    }

    .benefit-card.large p {
      color: #d1d5db;
    }

    .eligibility {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 18px;
      align-items: start;
    }

    .eligibility-panel {
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 22px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

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

    .timeline li {
      position: relative;
      padding: 14px 14px 14px 46px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fbfcfd;
    }

    .timeline span {
      position: absolute;
      left: 14px;
      top: 14px;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #ffffff;
      background: var(--brand);
      font-size: 12px;
      font-weight: 900;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 18px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .news-row {
      display: grid;
      grid-template-columns: 130px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid var(--line);
      transition: .18s ease;
    }

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

    .news-row:hover {
      background: var(--brand-soft);
    }

    .news-row time {
      color: var(--muted);
      font-size: 13px;
      font-weight: 720;
    }

    .news-row strong {
      display: block;
      font-size: 17px;
      line-height: 1.35;
    }

    .news-row p {
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .side-panel {
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 18px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .side-panel h3 {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 830;
    }

    .media-scroll {
      display: flex;
      gap: 14px;
      overflow-x: auto;
      padding-bottom: 8px;
      scroll-snap-type: x mandatory;
    }

    .media-card {
      min-width: 276px;
      scroll-snap-align: start;
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 18px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
      transition: .18s ease;
    }

    .media-card:hover {
      transform: translateY(-2px);
      border-color: rgba(16, 185, 129, .45);
    }

    .media-card strong {
      display: block;
      margin-top: 12px;
      font-size: 18px;
    }

    .media-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .bubble-wall {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .review-card {
      padding: 18px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #ffffff;
      background: linear-gradient(135deg, #111827, var(--brand-dark));
      font-size: 14px;
      font-weight: 800;
    }

    .review-head {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .review-head strong {
      display: block;
      font-size: 15px;
    }

    .review-head span {
      display: block;
      color: var(--muted);
      font-size: 12px;
    }

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

    .faq-box {
      overflow: hidden;
    }

    .faq-box summary {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 18px;
      font-weight: 820;
      cursor: pointer;
      list-style: none;
    }

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

    .faq-box summary::after {
      content: "+";
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 999px;
      color: var(--brand-dark);
      background: var(--brand-soft);
      font-weight: 900;
    }

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

    .faq-box p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .form-anchor-card {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 18px;
      align-items: stretch;
      border: 1px solid rgba(16, 185, 129, .24);
      border-radius: 8px;
      padding: 26px;
      background:
        linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
      box-shadow: var(--shadow-md);
    }

    .inline-form {
      display: grid;
      gap: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 18px;
      background: #ffffff;
    }

    .field {
      display: grid;
      gap: 6px;
    }

    .field label {
      color: #374151;
      font-size: 13px;
      font-weight: 800;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 46px;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 10px 12px;
      background: #ffffff;
      color: var(--ink);
      outline: 0;
      transition: .18s ease;
    }

    .field textarea {
      min-height: 96px;
      resize: vertical;
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .privacy-card {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 20px;
      align-items: start;
      padding: 28px;
      background: linear-gradient(135deg, #f8fafc, #ecfdf5);
    }

    .shield {
      width: 74px;
      height: 74px;
      display: grid;
      place-items: center;
      border-radius: 8px;
      color: #ffffff;
      background: var(--brand-dark);
      box-shadow: 0 16px 28px rgba(4, 120, 87, .18);
      font-size: 30px;
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .privacy-item {
      padding: 14px;
      border: 1px solid rgba(16, 185, 129, .2);
      border-radius: 8px;
      background: rgba(255, 255, 255, .82);
      color: #4b5563;
      font-size: 14px;
    }

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

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 26px;
      align-items: start;
    }

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

    .footer-links a {
      padding: 8px 10px;
      border-radius: 8px;
      color: #4b5563;
      font-size: 14px;
      transition: .18s ease;
    }

    .footer-links a:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .copyright {
      margin-top: 14px;
      color: #6b7280;
      font-size: 13px;
    }

    .modal-mask {
      position: fixed;
      inset: 0;
      z-index: 80;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 18px;
      background: rgba(17, 24, 39, .40);
    }

    .modal-mask.open {
      display: flex;
    }

    .modal-card {
      width: min(100%, 560px);
      max-height: calc(100vh - 36px);
      overflow: auto;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: var(--shadow-xl);
    }

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

    .modal-head h2 {
      margin: 0;
      font-size: 20px;
      font-weight: 840;
    }

    .close-btn {
      width: 36px;
      height: 36px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      color: #374151;
      font-size: 20px;
      line-height: 1;
    }

    .close-btn:hover {
      background: var(--brand-soft);
      color: var(--brand-dark);
    }

    .modal-body {
      padding: 18px;
    }

    .tiny-note {
      color: #6b7280;
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .command-search {
        display: none;
      }

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

      .stage {
        min-height: auto;
      }

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

      .news-layout,
      .form-anchor-card,
      .eligibility {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 820px) {
      .nav-links,
      .nav-actions {
        display: none;
      }

      .menu-btn {
        display: grid;
        place-items: center;
      }

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

      .mobile-panel .nav-links,
      .mobile-panel .nav-actions,
      .mobile-panel .command-search {
        display: flex;
      }

      .mobile-panel .nav-links {
        flex-direction: column;
        align-items: stretch;
        border: 0;
        padding: 0;
        background: transparent;
      }

      .mobile-panel .nav-link {
        border: 1px solid var(--line);
        background: #ffffff;
      }

      .mobile-panel .command-search {
        width: 100%;
        margin: 12px 0;
      }

      .mobile-panel .nav-actions {
        flex-direction: column;
        align-items: stretch;
      }

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

      .hero h1 {
        font-size: 38px;
      }

      .hero-inner {
        padding: 28px;
      }

      .section {
        padding: 56px 0;
      }

      .problem-grid,
      .plans-layout,
      .data-strip,
      .benefit-grid,
      .bubble-wall,
      .privacy-grid {
        grid-template-columns: 1fr;
      }

      .data-item {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

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

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

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

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

    @media (max-width: 520px) {
      .container-custom {
        width: min(100% - 24px, 1180px);
      }

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

      .nav-wrap {
        height: 64px;
      }

      .hero {
        padding: 34px 0 54px;
      }

      .hero-inner {
        padding: 22px;
      }

      .hero h1 {
        font-size: 33px;
      }

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

      .hero-actions {
        flex-direction: column;
      }

      .hero-actions .btn {
        width: 100%;
        white-space: normal;
      }

      .section-title {
        font-size: 28px;
      }

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

      .problem-card {
        padding: 16px;
      }

      .form-anchor-card {
        padding: 18px;
      }
    }

/* roulang page: category1 */
:root {
      --brand: #10b981;
      --brand-dark: #059669;
      --brand-deep: #047857;
      --ink: #111827;
      --muted: #64748b;
      --soft: #f8fafc;
      --soft-green: #ecfdf5;
      --line: #dde5df;
      --line-strong: #cbd5d1;
      --warning: #f59e0b;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 8px 22px rgba(15, 23, 42, .06);
      --shadow-md: 0 18px 42px rgba(15, 23, 42, .09);
      --shadow-xl: 0 28px 70px rgba(15, 23, 42, .13);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: #ffffff;
      line-height: 1.7;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }

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

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

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

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(16, 185, 129, .25);
      outline-offset: 3px;
    }

    .container-custom {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .92);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }

    .nav-wrap {
      width: min(1180px, calc(100% - 32px));
      min-height: 72px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 18px;
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      border-radius: 8px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--brand), var(--brand-deep));
      box-shadow: 0 10px 24px rgba(16, 185, 129, .24);
    }

    .brand-text {
      max-width: 260px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 16px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 8px;
      padding: 5px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: var(--soft);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 13px;
      border-radius: 9px;
      font-size: 14px;
      font-weight: 650;
      color: #475569;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--brand-deep);
      background: #ffffff;
    }

    .nav-link.active {
      color: var(--brand-deep);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

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

    .command-search {
      width: 286px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 11px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #ffffff;
      color: #94a3b8;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .command-search:focus-within {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .command-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .command-search input::placeholder {
      color: #94a3b8;
    }

    .keycap {
      flex: 0 0 auto;
      padding: 2px 7px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: var(--soft);
      color: #64748b;
      font-size: 12px;
      line-height: 1.4;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 17px;
      border-radius: 10px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 750;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

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

    .btn-primary {
      color: #ffffff;
      background: var(--brand-dark);
      box-shadow: 0 14px 26px rgba(5, 150, 105, .24);
    }

    .btn-primary:hover {
      background: var(--brand-deep);
      box-shadow: 0 18px 32px rgba(5, 150, 105, .28);
    }

    .btn-secondary {
      color: #1f2937;
      background: #ffffff;
      border-color: var(--line);
    }

    .btn-secondary:hover {
      color: var(--brand-deep);
      background: var(--soft-green);
      border-color: rgba(16, 185, 129, .34);
    }

    .btn-ghost {
      color: var(--brand-deep);
      background: rgba(16, 185, 129, .08);
      border-color: rgba(16, 185, 129, .18);
    }

    .btn-ghost:hover {
      background: rgba(16, 185, 129, .13);
    }

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #ffffff;
      color: var(--ink);
    }

    .hero {
      padding: 56px 0 42px;
      background:
        radial-gradient(circle at 15% 10%, rgba(16, 185, 129, .08), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .78fr);
      align-items: center;
      gap: 36px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border: 1px solid rgba(16, 185, 129, .26);
      border-radius: 999px;
      background: var(--soft-green);
      color: var(--brand-deep);
      font-size: 13px;
      font-weight: 750;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(16, 185, 129, .12);
    }

    h1 {
      margin: 18px 0 16px;
      max-width: 780px;
      font-size: 48px;
      line-height: 1.13;
      font-weight: 820;
      letter-spacing: 0;
      color: var(--ink);
    }

    .hero-copy {
      max-width: 720px;
      color: #475569;
      font-size: 17px;
      line-height: 1.85;
    }

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

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #ffffff;
      color: #475569;
      font-size: 13px;
      font-weight: 650;
    }

    .tag.green {
      color: var(--brand-deep);
      background: var(--soft-green);
      border-color: rgba(16, 185, 129, .24);
    }

    .stage-card {
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #ffffff;
      box-shadow: var(--shadow-xl);
      overflow: hidden;
    }

    .stage-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid var(--line);
      background: #fbfdfc;
    }

    .window-dots {
      display: flex;
      gap: 6px;
    }

    .window-dots span {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: #cbd5d1;
    }

    .window-dots span:nth-child(2) {
      background: #a7f3d0;
    }

    .window-dots span:nth-child(3) {
      background: var(--brand);
    }

    .stage-body {
      padding: 18px;
    }

    .schedule-box {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: linear-gradient(180deg, #ffffff, #f9fbfa);
    }

    .schedule-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      font-weight: 800;
    }

    .slot-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }

    .slot {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      color: #475569;
      font-size: 13px;
      font-weight: 700;
    }

    .slot.active {
      color: #ffffff;
      background: var(--brand-dark);
      border-color: var(--brand-dark);
    }

    .status-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .status-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
    }

    .status-row strong {
      display: block;
      font-size: 14px;
    }

    .status-row span:last-child {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .section {
      padding: 76px 0;
    }

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

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(260px, .42fr);
      align-items: end;
      gap: 28px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--brand-deep);
      font-size: 14px;
      font-weight: 800;
    }

    .section-title {
      margin: 8px 0 0;
      font-size: 34px;
      line-height: 1.22;
      font-weight: 820;
      letter-spacing: 0;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.75;
    }

    .filter-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .filter-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-chip {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: var(--soft);
      color: #475569;
      font-size: 14px;
      font-weight: 700;
    }

    .filter-chip.active {
      color: var(--brand-deep);
      background: var(--soft-green);
      border-color: rgba(16, 185, 129, .28);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 312px;
      gap: 22px;
      margin-top: 22px;
      align-items: start;
    }

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

    .entry-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
      transition: transform .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(16, 185, 129, .42);
      background: #fcfffd;
      box-shadow: var(--shadow-md);
    }

    .entry-top {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin-bottom: 8px;
    }

    .entry-title {
      margin: 0;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
    }

    .entry-summary {
      margin: 0;
      color: #536274;
      font-size: 15px;
      line-height: 1.75;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 13px;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--soft);
      color: #64748b;
      font-size: 12px;
      font-weight: 700;
    }

    .mini-badge.success {
      color: var(--brand-deep);
      background: var(--soft-green);
    }

    .entry-action {
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }

    .side-stack {
      position: sticky;
      top: 94px;
      display: grid;
      gap: 14px;
    }

    .side-card,
    .info-card,
    .metric-card,
    .faq-card,
    .cta-box {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .side-card {
      padding: 16px;
    }

    .side-card h3 {
      margin: 0 0 12px;
      font-size: 17px;
      font-weight: 800;
    }

    .side-link-list {
      display: grid;
      gap: 9px;
    }

    .side-link {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 10px 11px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--soft);
      color: #475569;
      font-size: 14px;
      font-weight: 700;
    }

    .side-link:hover {
      color: var(--brand-deep);
      border-color: rgba(16, 185, 129, .32);
      background: var(--soft-green);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
    }

    .info-card {
      padding: 20px;
    }

    .info-card.featured {
      background: linear-gradient(180deg, #ffffff, #f4fbf7);
      border-color: rgba(16, 185, 129, .22);
    }

    .info-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      font-weight: 820;
    }

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

    .check-list {
      display: grid;
      gap: 10px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
      color: #334155;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      width: 20px;
      height: 20px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      background: var(--soft-green);
      color: var(--brand-deep);
      font-size: 12px;
      font-weight: 900;
    }

    .metric-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .metric-card {
      padding: 18px;
      background: #ffffff;
    }

    .metric-number {
      display: block;
      color: var(--brand-deep);
      font-size: 32px;
      line-height: 1;
      font-weight: 850;
    }

    .metric-label {
      display: block;
      margin-top: 9px;
      font-weight: 800;
    }

    .metric-note {
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .process-board {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .process-step {
      position: relative;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
    }

    .step-num {
      display: inline-flex;
      width: 30px;
      height: 30px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: var(--soft-green);
      color: var(--brand-deep);
      font-weight: 850;
      margin-bottom: 12px;
    }

    .process-step h3 {
      margin: 0 0 7px;
      font-size: 17px;
      font-weight: 800;
    }

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

    .faq-grid {
      display: grid;
      gap: 12px;
      max-width: 920px;
    }

    details.faq-card {
      padding: 0;
      overflow: hidden;
    }

    details summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
    }

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

    details summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: var(--soft);
      color: var(--brand-deep);
      font-weight: 900;
    }

    details[open] summary::after {
      content: "−";
      background: var(--soft-green);
    }

    .faq-answer {
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .cta-box {
      padding: 28px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 20px;
      background:
        linear-gradient(135deg, rgba(236, 253, 245, .92), rgba(255, 255, 255, .96)),
        #ffffff;
      border-color: rgba(16, 185, 129, .24);
    }

    .cta-box h2 {
      margin: 0 0 8px;
      font-size: 28px;
      line-height: 1.25;
      font-weight: 820;
    }

    .cta-box p {
      margin: 0;
      color: #536274;
    }

    .privacy-panel {
      display: grid;
      grid-template-columns: 72px minmax(0, 1fr);
      gap: 20px;
      padding: 24px;
      border: 1px solid rgba(16, 185, 129, .22);
      border-radius: 12px;
      background: var(--soft-green);
    }

    .shield {
      width: 60px;
      height: 60px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: #ffffff;
      color: var(--brand-deep);
      font-size: 28px;
      box-shadow: var(--shadow-sm);
    }

    .privacy-panel h2 {
      margin: 0 0 10px;
      font-size: 28px;
      font-weight: 820;
    }

    .privacy-panel p {
      margin: 0 0 14px;
      color: #536274;
    }

    .site-footer {
      padding: 30px 0;
      border-top: 1px solid var(--line);
      background: #ffffff;
    }

    .footer-grid {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .copyright {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 14px;
      color: #475569;
      font-size: 14px;
      font-weight: 700;
    }

    .footer-links a:hover {
      color: var(--brand-deep);
    }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 80;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
      background: rgba(15, 23, 42, .42);
    }

    .modal-backdrop.is-open {
      display: flex;
    }

    .modal-card {
      width: min(560px, 100%);
      max-height: calc(100vh - 32px);
      overflow: auto;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      box-shadow: var(--shadow-xl);
    }

    .modal-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
    }

    .modal-head h2 {
      margin: 0;
      font-size: 20px;
      font-weight: 820;
    }

    .close-btn {
      width: 36px;
      height: 36px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--soft);
      color: var(--ink);
    }

    .modal-body {
      padding: 20px;
    }

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

    .field label {
      display: block;
      margin-bottom: 7px;
      color: #334155;
      font-size: 14px;
      font-weight: 750;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 46px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #ffffff;
      color: var(--ink);
      outline: 0;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

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

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: var(--brand);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .form-note {
      padding: 12px;
      border-radius: 8px;
      background: var(--soft);
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .mobile-panel {
      display: none;
    }

    @media (max-width: 1100px) {
      .nav-actions .command-search {
        width: 220px;
      }

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

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

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

    @media (max-width: 920px) {
      .nav-links,
      .nav-actions {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
        margin-left: auto;
      }

      .mobile-panel {
        display: none;
        border-top: 1px solid var(--line);
        background: #ffffff;
      }

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

      .mobile-inner {
        width: min(1180px, calc(100% - 32px));
        margin: 0 auto;
        padding: 14px 0 18px;
        display: grid;
        gap: 12px;
      }

      .mobile-inner .nav-link {
        width: 100%;
        justify-content: flex-start;
        background: var(--soft);
        border: 1px solid var(--line);
      }

      .mobile-inner .command-search {
        width: 100%;
      }

      .mobile-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      h1 {
        font-size: 38px;
      }

      .section {
        padding: 58px 0;
      }

      .section-head,
      .filter-panel,
      .cta-box {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 640px) {
      .container-custom,
      .nav-wrap,
      .mobile-inner {
        width: min(100% - 24px, 1180px);
      }

      .brand-text {
        max-width: 210px;
        font-size: 15px;
      }

      .hero {
        padding: 40px 0 34px;
      }

      h1 {
        font-size: 33px;
        line-height: 1.16;
      }

      .hero-copy,
      .section-desc {
        font-size: 15px;
      }

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

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

      .slot-grid,
      .metric-strip,
      .process-board,
      .side-stack {
        grid-template-columns: 1fr;
      }

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

      .entry-action {
        justify-content: stretch;
      }

      .entry-action .btn {
        width: 100%;
      }

      .section-title {
        font-size: 28px;
      }

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

      .footer-grid {
        align-items: flex-start;
        flex-direction: column;
      }

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

/* roulang page: category2 */
:root {
      --color-primary: #10b981;
      --color-primary-dark: #059669;
      --color-primary-deep: #047857;
      --color-ink: #111827;
      --color-text: #1f2937;
      --color-muted: #6b7280;
      --color-soft: #f8fafc;
      --color-soft-green: #ecfdf5;
      --color-border: #dde5df;
      --color-border-strong: #cddbd2;
      --color-white: #ffffff;
      --color-warning: #f59e0b;
      --radius-sm: 8px;
      --radius-md: 10px;
      --radius-lg: 12px;
      --shadow-sm: 0 8px 22px rgba(17, 24, 39, .06);
      --shadow-md: 0 18px 48px rgba(17, 24, 39, .09);
      --shadow-xl: 0 26px 80px rgba(17, 24, 39, .13);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--color-text);
      background: #ffffff;
      line-height: 1.7;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }

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

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

    button {
      cursor: pointer;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-border);
    }

    .nav-wrap {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
      color: var(--color-ink);
      font-weight: 800;
      line-height: 1.2;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: 0 10px 24px rgba(16, 185, 129, .24);
      font-weight: 900;
    }

    .brand-text {
      max-width: 220px;
      font-size: 15px;
      white-space: normal;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: 8px;
      padding: 5px;
      background: var(--color-soft);
      border: 1px solid var(--color-border);
      border-radius: 12px;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 13px;
      border-radius: 9px;
      color: #4b5563;
      font-size: 14px;
      font-weight: 650;
      transition: background .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .nav-link:hover {
      color: var(--color-primary-deep);
      background: #ffffff;
    }

    .nav-link.active {
      color: var(--color-primary-deep);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

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

    .command-search {
      height: 42px;
      width: 270px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 10px;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      background: #fff;
      color: var(--color-muted);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .command-search:focus-within {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .command-search input {
      min-width: 0;
      width: 100%;
      border: 0;
      outline: 0;
      color: var(--color-ink);
      font-size: 14px;
      background: transparent;
    }

    .command-search input::placeholder {
      color: #9ca3af;
    }

    .keycap {
      flex: 0 0 auto;
      padding: 2px 7px;
      border: 1px solid var(--color-border);
      border-radius: 7px;
      background: var(--color-soft);
      color: #6b7280;
      font-size: 12px;
      line-height: 1.35;
    }

    .btn {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 16px;
      border-radius: 10px;
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 750;
      line-height: 1.25;
      transition: transform .18s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

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

    .btn:focus-visible,
    .nav-link:focus-visible,
    .menu-btn:focus-visible,
    summary:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(16, 185, 129, .28);
      outline-offset: 3px;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 12px 26px rgba(16, 185, 129, .24);
    }

    .btn-primary:hover {
      background: var(--color-primary-dark);
      color: #fff;
    }

    .btn-secondary {
      background: #fff;
      color: var(--color-ink);
      border-color: var(--color-border);
    }

    .btn-secondary:hover {
      border-color: rgba(16, 185, 129, .42);
      background: var(--color-soft-green);
      color: var(--color-primary-deep);
    }

    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--color-border);
      border-radius: 10px;
      background: #fff;
      color: var(--color-ink);
      font-size: 20px;
      align-items: center;
      justify-content: center;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 82px 0;
    }

    .section-soft {
      background: var(--color-soft);
      border-top: 1px solid #edf1ee;
      border-bottom: 1px solid #edf1ee;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border: 1px solid #bdebd8;
      border-radius: 999px;
      background: var(--color-soft-green);
      color: var(--color-primary-deep);
      font-size: 13px;
      font-weight: 750;
    }

    .dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .14);
      display: inline-block;
      flex: 0 0 auto;
    }

    .dot.gray {
      background: #9ca3af;
      box-shadow: 0 0 0 4px rgba(156, 163, 175, .13);
    }

    .dot.amber {
      background: var(--color-warning);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, .14);
    }

    .hero-category {
      padding: 78px 0 66px;
      background:
        radial-gradient(circle at 15% 20%, rgba(16, 185, 129, .08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(360px, .72fr);
      gap: 34px;
      align-items: stretch;
    }

    .profile-card {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-md);
      padding: 28px;
      position: relative;
    }

    .profile-top {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
    }

    .avatar-mark {
      width: 62px;
      height: 62px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-soft-green);
      border: 1px solid #c8efdc;
      color: var(--color-primary-deep);
      font-size: 30px;
      font-weight: 900;
    }

    .hero-category h1 {
      margin: 16px 0 18px;
      color: var(--color-ink);
      font-size: 48px;
      line-height: 1.12;
      font-weight: 850;
      letter-spacing: 0;
    }

    .hero-summary {
      max-width: 760px;
      color: #4b5563;
      font-size: 17px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
      margin-top: 26px;
    }

    .tag-row {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--color-border);
      color: #4b5563;
      font-size: 13px;
      font-weight: 700;
    }

    .tag.green {
      background: var(--color-soft-green);
      border-color: #bdebd8;
      color: var(--color-primary-deep);
    }

    .stage-card {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
    }

    .stage-top {
      height: 48px;
      border-bottom: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      background: #fbfdfc;
    }

    .window-dots {
      display: flex;
      gap: 7px;
    }

    .window-dots span {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #d1d5db;
    }

    .window-dots span:nth-child(2) {
      background: #c8efdc;
    }

    .window-dots span:nth-child(3) {
      background: var(--color-primary);
    }

    .stage-body {
      padding: 22px;
    }

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

    .anchor-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      transition: border-color .2s ease, background .2s ease, transform .18s ease;
    }

    .anchor-item:hover {
      border-color: rgba(16, 185, 129, .45);
      background: #fbfffd;
      transform: translateY(-1px);
    }

    .anchor-item strong {
      display: block;
      color: var(--color-ink);
      font-size: 15px;
      line-height: 1.35;
      margin-bottom: 2px;
    }

    .anchor-item span:last-child {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .status-strip {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .mini-stat {
      padding: 12px;
      border-radius: var(--radius-sm);
      background: var(--color-soft);
      border: 1px solid var(--color-border);
    }

    .mini-stat b {
      display: block;
      color: var(--color-ink);
      font-size: 20px;
      line-height: 1.1;
    }

    .mini-stat span {
      display: block;
      margin-top: 4px;
      color: var(--color-muted);
      font-size: 12px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(260px, .32fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-title {
      margin: 0;
      color: var(--color-ink);
      font-size: 34px;
      line-height: 1.22;
      font-weight: 830;
    }

    .section-desc {
      margin: 12px 0 0;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .plain-note {
      padding: 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      color: #4b5563;
      font-size: 14px;
    }

    .question-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .question-card {
      display: flex;
      gap: 14px;
      padding: 20px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .icon-box {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      color: var(--color-primary-deep);
      background: var(--color-soft-green);
      border: 1px solid #c8efdc;
      font-weight: 900;
    }

    .question-card h3,
    .guide-card h3,
    .solution-card h3,
    .compare-card h3 {
      margin: 0;
      color: var(--color-ink);
      font-size: 18px;
      line-height: 1.35;
      font-weight: 800;
    }

    .question-card p,
    .guide-card p,
    .solution-card p,
    .compare-card p {
      margin: 8px 0 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .solution-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
      gap: 18px;
      align-items: stretch;
    }

    .solution-card {
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: border-color .2s ease, transform .18s ease, box-shadow .2s ease;
    }

    .solution-card:hover {
      border-color: rgba(16, 185, 129, .45);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .solution-card.featured {
      min-height: 100%;
      background: linear-gradient(180deg, #ffffff 0%, #f0fdf7 100%);
      border-color: #bdebd8;
      position: relative;
      overflow: hidden;
    }

    .solution-card.featured:before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 4px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-primary-deep));
    }

    .solution-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .solution-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
      color: #374151;
      font-size: 15px;
    }

    .solution-list li:before {
      content: "✓";
      color: var(--color-primary-deep);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .solution-stack {
      display: grid;
      gap: 18px;
    }

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

    .guide-nav {
      position: sticky;
      top: 96px;
      display: grid;
      gap: 10px;
    }

    .guide-nav a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      min-height: 48px;
      padding: 0 14px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      color: #374151;
      font-weight: 750;
      transition: background .2s ease, border-color .2s ease, color .2s ease;
    }

    .guide-nav a:hover {
      color: var(--color-primary-deep);
      border-color: rgba(16, 185, 129, .45);
      background: var(--color-soft-green);
    }

    .guide-cards {
      display: grid;
      gap: 14px;
    }

    .guide-card {
      padding: 20px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

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

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 0 9px;
      border-radius: 999px;
      background: var(--color-soft);
      border: 1px solid var(--color-border);
      color: #4b5563;
      font-size: 12px;
      font-weight: 750;
    }

    .badge.success {
      background: var(--color-soft-green);
      border-color: #bdebd8;
      color: var(--color-primary-deep);
    }

    .compare-panel {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .compare-head {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border-bottom: 1px solid var(--color-border);
      background: #fbfdfc;
    }

    .compare-head div {
      padding: 15px 18px;
      color: var(--color-ink);
      font-weight: 800;
      border-right: 1px solid var(--color-border);
    }

    .compare-head div:last-child {
      border-right: 0;
    }

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

    .compare-card {
      padding: 20px;
      border-right: 1px solid var(--color-border);
      min-height: 230px;
    }

    .compare-card:last-child {
      border-right: 0;
    }

    .compare-list {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 11px;
    }

    .compare-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: #4b5563;
      font-size: 14px;
      line-height: 1.6;
    }

    .stats-band {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid #bdebd8;
      border-radius: var(--radius-sm);
      background: linear-gradient(180deg, #ffffff 0%, #ecfdf5 100%);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .stat-item {
      padding: 22px;
      border-right: 1px solid #c8efdc;
    }

    .stat-item:last-child {
      border-right: 0;
    }

    .stat-item strong {
      display: block;
      color: var(--color-primary-deep);
      font-size: 32px;
      line-height: 1.05;
      font-weight: 850;
    }

    .stat-item span {
      display: block;
      margin-top: 8px;
      color: var(--color-ink);
      font-size: 15px;
      font-weight: 780;
    }

    .stat-item p {
      margin: 7px 0 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.55;
    }

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

    details {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    summary {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 0 18px;
      color: var(--color-ink);
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }

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

    summary:after {
      content: "+";
      width: 26px;
      height: 26px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-soft-green);
      color: var(--color-primary-deep);
      font-weight: 900;
      flex: 0 0 auto;
    }

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

    details p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(280px, .42fr);
      gap: 22px;
      align-items: center;
      padding: 30px;
      border: 1px solid #bdebd8;
      border-radius: var(--radius-sm);
      background:
        linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
      box-shadow: var(--shadow-md);
    }

    .cta-panel h2 {
      margin: 0;
      color: var(--color-ink);
      font-size: 30px;
      line-height: 1.25;
      font-weight: 850;
    }

    .cta-panel p {
      margin: 10px 0 0;
      color: #4b5563;
      font-size: 16px;
    }

    .privacy-box {
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr);
      gap: 18px;
      padding: 24px;
      border: 1px solid #c8efdc;
      border-radius: var(--radius-sm);
      background: var(--color-soft-green);
    }

    .privacy-icon {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #fff;
      color: var(--color-primary-deep);
      font-size: 28px;
      border: 1px solid #bdebd8;
    }

    .privacy-box h2 {
      margin: 0;
      color: var(--color-ink);
      font-size: 28px;
      line-height: 1.25;
      font-weight: 850;
    }

    .privacy-list {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .privacy-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #374151;
      font-size: 15px;
    }

    .privacy-list li:before {
      content: "✓";
      color: var(--color-primary-deep);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .site-footer {
      border-top: 1px solid var(--color-border);
      background: #fff;
      padding: 30px 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 26px;
      align-items: center;
    }

    .copyright {
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 13px;
    }

    .footer-links {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer-links a {
      color: #4b5563;
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease;
    }

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

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 80;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
      background: rgba(17, 24, 39, .42);
    }

    .modal-backdrop.is-open {
      display: flex;
    }

    .modal-card {
      width: min(560px, 100%);
      max-height: calc(100vh - 32px);
      overflow: auto;
      border-radius: var(--radius-sm);
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-xl);
    }

    .modal-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border-bottom: 1px solid var(--color-border);
    }

    .modal-head h2 {
      margin: 0;
      color: var(--color-ink);
      font-size: 20px;
      font-weight: 850;
    }

    .modal-close {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      border: 1px solid var(--color-border);
      background: #fff;
      color: var(--color-ink);
      transition: background .2s ease, border-color .2s ease;
    }

    .modal-close:hover {
      background: var(--color-soft-green);
      border-color: #bdebd8;
    }

    .lead-form {
      padding: 20px;
      display: grid;
      gap: 14px;
    }

    .field label {
      display: block;
      margin-bottom: 6px;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 800;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      min-height: 46px;
      border: 1px solid var(--color-border);
      border-radius: 10px;
      background: #fff;
      color: var(--color-ink);
      padding: 10px 12px;
      outline: 0;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .field textarea {
      resize: vertical;
      min-height: 94px;
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
    }

    .form-tip {
      padding: 12px;
      border-radius: var(--radius-sm);
      background: var(--color-soft);
      color: #6b7280;
      font-size: 13px;
      line-height: 1.6;
    }

    @media (max-width: 1100px) {
      .nav-actions .btn-secondary {
        display: none;
      }

      .command-search {
        width: 230px;
      }

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

      .section-head,
      .guide-grid,
      .solution-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .guide-nav {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 900px) {
      .nav-wrap {
        min-height: 68px;
      }

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

      .menu-btn {
        display: inline-flex;
        margin-left: auto;
      }

      .nav-wrap.is-open {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .nav-wrap.is-open .nav-links,
      .nav-wrap.is-open .nav-actions {
        display: flex;
        width: 100%;
      }

      .nav-wrap.is-open .nav-links {
        order: 3;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
      }

      .nav-wrap.is-open .nav-actions {
        order: 4;
        flex-direction: column;
        align-items: stretch;
      }

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

      .nav-wrap.is-open .btn {
        width: 100%;
      }

      .hero-category h1 {
        font-size: 38px;
      }

      .question-grid,
      .compare-head,
      .compare-body {
        grid-template-columns: 1fr;
      }

      .compare-head {
        display: none;
      }

      .compare-card {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
        min-height: 0;
      }

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

      .compare-card h3:before {
        content: attr(data-title);
      }

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

      .stat-item:nth-child(2) {
        border-right: 0;
      }

      .stat-item:nth-child(1),
      .stat-item:nth-child(2) {
        border-bottom: 1px solid #c8efdc;
      }

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

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

    @media (max-width: 560px) {
      .container-custom,
      .nav-wrap {
        width: min(100% - 28px, 1180px);
      }

      .section {
        padding: 56px 0;
      }

      .hero-category {
        padding: 48px 0 52px;
      }

      .profile-card,
      .stage-body,
      .cta-panel,
      .privacy-box {
        padding: 18px;
      }

      .profile-top {
        align-items: flex-start;
      }

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

      .hero-category h1 {
        font-size: 33px;
        line-height: 1.16;
      }

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

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

      .status-strip,
      .guide-nav,
      .stats-band {
        grid-template-columns: 1fr;
      }

      .stat-item {
        border-right: 0;
        border-bottom: 1px solid #c8efdc;
      }

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

      .section-title,
      .cta-panel h2,
      .privacy-box h2 {
        font-size: 26px;
      }

      .question-card {
        padding: 16px;
      }

      .privacy-box {
        grid-template-columns: 1fr;
      }

      summary {
        padding: 14px 15px;
        align-items: flex-start;
      }

      details p {
        padding: 0 15px 16px;
      }
    }