/* roulang page: index */
:root {
      --brand-blue: #2563eb;
      --brand-blue-dark: #1e40af;
      --cyan: #0891b2;
      --amber: #f59e0b;
      --ink: #0f172a;
      --muted: #475569;
      --soft: #64748b;
      --surface: #ffffff;
      --surface-blue: #eff6ff;
      --bg: #f8fafc;
      --line: #e2e8f0;
      --line-blue: #dbeafe;
      --danger: #dc2626;
      --success: #16a34a;
      --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
      --shadow-hover: 0 22px 54px rgba(15, 23, 42, 0.12);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1220px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    button:disabled {
      cursor: not-allowed;
      background: #e2e8f0;
      color: #94a3b8;
      box-shadow: none;
      transform: none;
    }

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: var(--radius-sm);
      color: var(--ink);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    input:focus,
    textarea:focus,
    select:focus {
      outline: none;
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, .9);
    }

    .nav {
      min-height: 68px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 28px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      white-space: nowrap;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--brand-blue), var(--cyan));
      box-shadow: 0 12px 26px rgba(37, 99, 235, .22);
      position: relative;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(255, 255, 255, .88);
      border-radius: 8px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-self: start;
    }

    .nav-link {
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 15px;
      font-weight: 650;
      transition: color .2s ease, background .2s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--brand-blue);
      background: var(--surface-blue);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      justify-self: end;
    }

    .nav-search {
      width: 250px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--soft);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .nav-search:focus-within {
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
    }

    .nav-search input {
      height: 100%;
      border: 0;
      box-shadow: none;
      border-radius: 0;
      padding: 0;
      min-width: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 700;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--brand-blue);
      color: #fff;
      box-shadow: 0 12px 28px rgba(37, 99, 235, .22);
    }

    .btn-primary:hover {
      background: var(--brand-blue-dark);
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(37, 99, 235, .28);
    }

    .btn-secondary {
      background: #fff;
      color: var(--brand-blue);
      border: 1px solid var(--line-blue);
    }

    .btn-secondary:hover {
      background: var(--surface-blue);
      border-color: #bfdbfe;
      transform: translateY(-1px);
    }

    .btn-text {
      color: var(--brand-blue);
      font-weight: 700;
    }

    .btn-text:hover {
      color: var(--brand-blue-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .icon-btn {
      width: 44px;
      height: 44px;
      display: none;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: #fff;
      color: var(--ink);
      border: 1px solid var(--line);
      transition: background .2s ease, border-color .2s ease;
    }

    .icon-btn:hover {
      background: var(--surface-blue);
      border-color: var(--line-blue);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid var(--line);
      background: #fff;
      padding: 14px 0 20px;
    }

    .mobile-panel.open {
      display: block;
    }

    .mobile-panel .nav-link,
    .mobile-panel .btn {
      width: 100%;
      justify-content: flex-start;
      margin-top: 8px;
    }

    main section {
      padding: 94px 0;
    }

    .hero {
      padding: 56px 0 34px;
      background:
        linear-gradient(115deg, rgba(239, 246, 255, .95) 0%, rgba(248, 250, 252, 1) 42%, rgba(255, 255, 255, 1) 100%);
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 82%);
      pointer-events: none;
    }

    .hero-wrap {
      position: relative;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 560px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 48px 0;
    }

    .eyebrow {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: #fff;
      color: var(--brand-blue);
      border: 1px solid var(--line-blue);
      font-size: 14px;
      font-weight: 750;
      box-shadow: 0 8px 20px rgba(15, 23, 42, .05);
    }

    .hero h1 {
      margin-top: 22px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.16;
      font-weight: 800;
      letter-spacing: 0;
      max-width: 780px;
    }

    .hero-desc {
      margin-top: 22px;
      max-width: 690px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.82;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin-top: 34px;
      max-width: 720px;
    }

    .point {
      padding: 16px;
      border: 1px solid var(--line-blue);
      background: rgba(255, 255, 255, .82);
      border-radius: var(--radius-md);
      box-shadow: 0 10px 24px rgba(15, 23, 42, .05);
    }

    .point strong {
      display: block;
      color: var(--brand-blue);
      font-size: 22px;
      line-height: 1.2;
      margin-bottom: 5px;
    }

    .point span {
      color: var(--soft);
      font-size: 14px;
      line-height: 1.55;
    }

    .hero-panel {
      background: #0f172a;
      color: #fff;
      border-radius: 30px;
      padding: 28px;
      box-shadow: 0 24px 60px rgba(15, 23, 42, .22);
      overflow: hidden;
      position: relative;
      align-self: center;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      top: -190px;
      right: -180px;
      background: radial-gradient(circle, rgba(37, 99, 235, .35), transparent 62%);
    }

    .panel-top,
    .panel-card,
    .rank-row {
      position: relative;
    }

    .panel-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, .14);
    }

    .panel-kicker {
      color: #bfdbfe;
      font-size: 14px;
      font-weight: 750;
    }

    .panel-number {
      font-size: 58px;
      line-height: .95;
      font-weight: 800;
      color: #fff;
    }

    .panel-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 20px;
    }

    .panel-card {
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: 18px;
      padding: 18px;
    }

    .panel-card b {
      display: block;
      font-size: 15px;
      margin-bottom: 10px;
    }

    .panel-card span {
      display: inline-flex;
      padding: 5px 9px;
      margin: 4px 4px 0 0;
      border-radius: 999px;
      color: #dbeafe;
      background: rgba(37, 99, 235, .18);
      font-size: 12px;
    }

    .faux-rank {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 38px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .92);
      color: var(--ink);
    }

    .rank-row em {
      font-style: normal;
      color: var(--brand-blue);
      font-weight: 800;
    }

    .rank-row span {
      color: var(--soft);
      font-size: 13px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(280px, .4fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-label {
      display: inline-flex;
      color: var(--brand-blue);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    h2 {
      font-size: clamp(25px, 3.4vw, 38px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section-head p,
    .section-note {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .tier-section {
      background: #fff;
    }

    .tier-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 28px;
      align-items: stretch;
    }

    .step-rail {
      background: var(--surface-blue);
      border: 1px solid var(--line-blue);
      border-radius: var(--radius-lg);
      padding: 28px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 16px 0;
      border-bottom: 1px solid #bfdbfe;
    }

    .step-item:last-child {
      border-bottom: 0;
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--brand-blue);
      color: #fff;
      font-weight: 800;
    }

    .step-item h3,
    .card h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 750;
      margin-bottom: 8px;
    }

    .step-item p,
    .card p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.72;
    }

    .solution-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--line-blue);
    }

    .card-icon {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--surface-blue);
      color: var(--brand-blue);
      margin-bottom: 16px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 10px;
      border-radius: 999px;
      border: 1px solid var(--line-blue);
      background: #fff;
      color: var(--brand-blue);
      font-size: 13px;
      font-weight: 700;
    }

    .compare-section {
      background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 100%);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

    .compare-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .compare-card.featured {
      border-color: #bfdbfe;
      box-shadow: 0 20px 54px rgba(37, 99, 235, .13);
    }

    .compare-head {
      padding: 24px 26px;
      border-bottom: 1px solid var(--line);
      background: #fff;
    }

    .compare-head strong {
      display: block;
      font-size: 22px;
      line-height: 1.3;
      margin-bottom: 8px;
    }

    .compare-head span {
      color: var(--muted);
      font-size: 15px;
    }

    .compare-list {
      list-style: none;
      padding: 10px 26px 26px;
    }

    .compare-list li {
      display: flex;
      gap: 12px;
      padding: 13px 0;
      color: var(--muted);
      border-bottom: 1px dashed var(--line);
    }

    .compare-list li:last-child {
      border-bottom: 0;
    }

    .check {
      width: 22px;
      height: 22px;
      flex: 0 0 22px;
      border-radius: 50%;
      background: var(--surface-blue);
      color: var(--brand-blue);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 13px;
      margin-top: 3px;
    }

    .guard-band {
      padding: 42px 0;
      background: #fff;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .guard-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .guard {
      display: flex;
      gap: 13px;
      align-items: flex-start;
      padding: 18px;
      border-radius: 18px;
      background: var(--bg);
      border: 1px solid var(--line);
    }

    .guard svg {
      color: var(--brand-blue);
      flex: 0 0 auto;
      margin-top: 2px;
    }

    .guard strong {
      display: block;
      line-height: 1.35;
      margin-bottom: 4px;
    }

    .guard span {
      color: var(--soft);
      font-size: 14px;
      line-height: 1.55;
    }

    .data-section {
      background: #fff;
    }

    .data-board {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 26px;
      align-items: stretch;
    }

    .data-main {
      border-radius: 28px;
      background: var(--ink);
      color: #fff;
      padding: 34px;
      box-shadow: 0 22px 56px rgba(15, 23, 42, .18);
    }

    .data-main b {
      display: block;
      color: #bfdbfe;
      margin-bottom: 14px;
    }

    .data-main strong {
      display: block;
      font-size: clamp(42px, 7vw, 62px);
      line-height: 1;
      margin-bottom: 18px;
    }

    .data-main p {
      color: #dbeafe;
      line-height: 1.8;
    }

    .data-list {
      display: grid;
      gap: 16px;
    }

    .data-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: var(--shadow);
    }

    .data-line {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 16px;
      align-items: center;
    }

    .data-num {
      color: var(--brand-blue);
      font-size: 38px;
      line-height: 1;
      font-weight: 800;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: #e2e8f0;
      overflow: hidden;
      margin-top: 12px;
    }

    .bar span {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, var(--brand-blue), var(--cyan));
      border-radius: inherit;
    }

    .entry-section {
      background: var(--bg);
    }

    .entry-matrix {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .entry {
      min-height: 150px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .entry:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--line-blue);
    }

    .entry small {
      display: inline-flex;
      color: var(--brand-blue);
      font-weight: 800;
      margin-bottom: 12px;
    }

    .entry h3 {
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .entry p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .news-section {
      background: #fff;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 24px;
      align-items: start;
    }

    .news-list,
    .side-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .news-row {
      display: grid;
      grid-template-columns: 120px 1fr 130px;
      gap: 18px;
      align-items: center;
      padding: 20px 24px;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease;
    }

    .news-row:hover {
      background: var(--surface-blue);
    }

    .news-row:last-child {
      border-bottom: 0;
    }

    .news-date {
      color: var(--brand-blue);
      font-weight: 800;
      font-size: 14px;
    }

    .news-row h3 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 5px;
    }

    .news-row p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .status {
      justify-self: end;
      padding: 6px 10px;
      border-radius: 999px;
      background: #ecfdf5;
      color: #15803d;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .side-card {
      padding: 24px;
    }

    .side-card h3 {
      font-size: 20px;
      margin-bottom: 14px;
    }

    .rank-list {
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .rank-list li {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px dashed var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .rank-list li:last-child {
      border-bottom: 0;
    }

    .rank-list b {
      color: var(--brand-blue);
    }

    .rank-list span:last-child {
      color: var(--soft);
    }

    .lead-section {
      background: linear-gradient(135deg, #eff6ff, #ffffff);
    }

    .lead-band {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, .75fr) auto;
      align-items: center;
      gap: 24px;
      padding: 34px;
      border-radius: 30px;
      border: 1px solid var(--line-blue);
      background: rgba(255, 255, 255, .86);
      box-shadow: var(--shadow);
    }

    .lead-band h2 {
      font-size: clamp(24px, 3vw, 34px);
      margin-bottom: 10px;
    }

    .lead-band p {
      color: var(--muted);
    }

    .preview-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .preview-tags span {
      padding: 10px 13px;
      border-radius: 14px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      border: 1px solid var(--line-blue);
      font-weight: 750;
      font-size: 14px;
    }

    .privacy-section {
      background: #fff;
      padding-bottom: 120px;
    }

    .privacy-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 26px;
      align-items: start;
    }

    .privacy-card {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: var(--ink);
      color: #fff;
      box-shadow: 0 22px 54px rgba(15, 23, 42, .18);
    }

    .shield {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(37, 99, 235, .2);
      color: #bfdbfe;
      margin-bottom: 20px;
    }

    .privacy-card h2 {
      font-size: 30px;
      margin-bottom: 14px;
    }

    .privacy-card p {
      color: #dbeafe;
      line-height: 1.82;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
      overflow: hidden;
      transition: border-color .2s ease, background .2s ease;
    }

    .faq-item.active {
      border-color: var(--line-blue);
      background: var(--surface-blue);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 20px;
      background: transparent;
      color: var(--ink);
      text-align: left;
      font-size: 17px;
      font-weight: 750;
    }

    .faq-arrow {
      flex: 0 0 auto;
      transition: transform .2s ease;
      color: var(--brand-blue);
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--muted);
      line-height: 1.75;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .sticky-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      width: min(780px, calc(100% - 32px));
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 16px;
      padding: 12px 14px 12px 20px;
      border-radius: 999px;
      background: rgba(15, 23, 42, .94);
      color: #fff;
      box-shadow: 0 18px 44px rgba(15, 23, 42, .24);
    }

    .sticky-cta span {
      color: #dbeafe;
      font-size: 14px;
      line-height: 1.45;
    }

    .site-footer {
      background: #f1f5f9;
      border-top: 1px solid var(--line);
      padding: 44px 0 34px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: start;
    }

    .footer-brand p {
      max-width: 680px;
      color: var(--muted);
      margin-top: 14px;
      font-size: 14px;
      line-height: 1.75;
    }

    .footer-links {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 650;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--brand-blue);
      background: #fff;
    }

    .copyright {
      margin-top: 28px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: var(--soft);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    .modal-mask {
      position: fixed;
      inset: 0;
      z-index: 80;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: rgba(15, 23, 42, .35);
    }

    .modal-mask.open {
      display: flex;
    }

    .modal {
      width: min(620px, 100%);
      max-height: calc(100vh - 48px);
      overflow: auto;
      background: #fff;
      border-radius: 22px;
      box-shadow: 0 26px 80px rgba(15, 23, 42, .28);
    }

    .modal-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
      padding: 24px 26px;
      border-bottom: 1px solid var(--line);
    }

    .modal-head h2 {
      font-size: 25px;
    }

    .modal-head p {
      color: var(--muted);
      font-size: 14px;
      margin-top: 6px;
    }

    .close-btn {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--ink);
      flex: 0 0 auto;
    }

    .close-btn:hover {
      background: var(--surface-blue);
      border-color: var(--line-blue);
    }

    .lead-form {
      padding: 24px 26px 28px;
      display: grid;
      gap: 16px;
    }

    .field label {
      display: block;
      font-weight: 750;
      margin-bottom: 7px;
      color: var(--ink);
    }

    .field input,
    .field select {
      height: 50px;
      padding: 0 14px;
    }

    .field textarea {
      min-height: 120px;
      resize: vertical;
      padding: 12px 14px;
    }

    .field .error-text {
      display: none;
      color: var(--danger);
      font-size: 13px;
      margin-top: 5px;
    }

    .field.error input {
      border-color: var(--danger);
    }

    .field.error .error-text {
      display: block;
    }

    .success-tip {
      display: none;
      padding: 11px 13px;
      border-radius: 14px;
      background: #ecfdf5;
      color: var(--success);
      font-size: 14px;
      font-weight: 700;
    }

    .success-tip.show {
      display: block;
    }

    .form-note {
      color: var(--soft);
      font-size: 13px;
      line-height: 1.65;
    }

    .form-note a {
      color: var(--brand-blue);
      font-weight: 750;
    }

    .skeleton {
      height: 14px;
      border-radius: 12px;
      background: linear-gradient(90deg, #e2e8f0, #f1f5f9, #e2e8f0);
      background-size: 200% 100%;
      animation: shimmer 1.6s infinite linear;
    }

    @keyframes shimmer {
      from { background-position: 200% 0; }
      to { background-position: -200% 0; }
    }

    @media (max-width: 1024px) {
      .nav {
        grid-template-columns: auto 1fr auto;
      }

      .nav-links,
      .nav-search,
      .nav-actions .btn {
        display: none;
      }

      .icon-btn {
        display: inline-flex;
      }

      .hero-wrap,
      .tier-layout,
      .compare-grid,
      .data-board,
      .privacy-layout,
      .news-layout,
      .lead-band {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        min-height: auto;
        padding: 30px 0 10px;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .guard-grid,
      .entry-matrix {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .lead-band {
        border-radius: 24px;
      }

      .sticky-cta {
        grid-template-columns: 1fr;
        border-radius: 22px;
        align-items: stretch;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      main section {
        padding: 64px 0;
      }

      .hero {
        padding-top: 34px;
      }

      .hero h1 {
        font-size: 36px;
      }

      .hero-desc {
        font-size: 16px;
      }

      .hero-actions,
      .hero-actions .btn {
        width: 100%;
      }

      .hero-actions .btn {
        justify-content: center;
      }

      .hero-points,
      .solution-grid,
      .guard-grid,
      .entry-matrix {
        grid-template-columns: 1fr;
      }

      .panel-grid {
        grid-template-columns: 1fr;
      }

      .news-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .status {
        justify-self: start;
      }

      .data-line {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .modal-mask {
        padding: 16px;
      }
    }

    @media (max-width: 520px) {
      .nav {
        min-height: 60px;
        gap: 10px;
      }

      .logo span {
        max-width: 210px;
        white-space: normal;
        line-height: 1.25;
      }

      .hero h1 {
        font-size: 32px;
      }

      .hero-panel,
      .lead-band,
      .data-main,
      .privacy-card {
        border-radius: 22px;
        padding: 22px;
      }

      .card,
      .entry,
      .step-rail,
      .side-card {
        padding: 22px;
      }

      .rank-row {
        grid-template-columns: 32px 1fr;
      }

      .rank-row span {
        grid-column: 2;
      }

      .sticky-cta {
        bottom: 12px;
      }
    }

/* roulang page: category1 */
:root {
      --brand-blue: #2563eb;
      --brand-blue-dark: #1e40af;
      --brand-cyan: #0891b2;
      --ink: #0f172a;
      --muted: #475569;
      --soft: #64748b;
      --bg: #f8fafc;
      --surface: #ffffff;
      --surface-blue: #eff6ff;
      --line: #e2e8f0;
      --line-blue: #dbeafe;
      --amber: #f59e0b;
      --danger: #dc2626;
      --success: #16a34a;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
      --shadow-hover: 0 22px 55px rgba(15, 23, 42, 0.12);
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--ink);
      background: var(--bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img,
    svg {
      display: block;
      max-width: 100%;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    button:disabled,
    input:disabled,
    select:disabled,
    textarea:disabled {
      cursor: not-allowed;
      opacity: 0.62;
    }

    ::selection {
      background: var(--line-blue);
      color: var(--ink);
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    }

    .nav {
      min-height: 68px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 28px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: 0;
      white-space: nowrap;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(8, 145, 178, 0.88)),
        radial-gradient(circle at 30% 20%, #fff 0 12%, transparent 13%);
      box-shadow: 0 10px 25px rgba(37, 99, 235, 0.18);
      position: relative;
      flex: 0 0 auto;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 9px 7px;
      border: 2px solid rgba(255, 255, 255, 0.86);
      border-left: 0;
      border-right: 0;
      border-radius: 4px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .nav-link {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 15px;
      font-weight: 650;
      transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--brand-blue);
      background: var(--surface-blue);
      outline: none;
    }

    .nav-link.active {
      color: var(--brand-blue);
      background: #dbeafe;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      justify-content: flex-end;
    }

    .nav-search {
      width: 250px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--soft);
      background: var(--surface);
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .nav-search:focus-within {
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
    }

    .nav-search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid transparent;
      border-radius: 999px;
      padding: 12px 20px;
      font-weight: 700;
      line-height: 1.2;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:focus-visible,
    .icon-btn:focus-visible,
    .filter-pill:focus-visible,
    .page-link:focus-visible {
      outline: 3px solid rgba(37, 99, 235, 0.2);
      outline-offset: 2px;
    }

    .btn-primary {
      color: #fff;
      background: var(--brand-blue);
      box-shadow: 0 12px 24px rgba(37, 99, 235, 0.2);
    }

    .btn-primary:hover,
    .btn-primary:active {
      background: var(--brand-blue-dark);
      box-shadow: 0 16px 32px rgba(37, 99, 235, 0.28);
    }

    .btn-secondary {
      color: var(--brand-blue);
      background: var(--surface);
      border-color: var(--line-blue);
    }

    .btn-secondary:hover {
      background: var(--surface-blue);
      border-color: #bfdbfe;
    }

    .btn-ghost {
      color: var(--brand-blue);
      background: transparent;
      padding-inline: 6px;
      min-height: 36px;
    }

    .btn-ghost:hover {
      color: var(--brand-blue-dark);
      text-decoration: underline;
      transform: none;
    }

    .icon-btn {
      width: 44px;
      height: 44px;
      display: none;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: var(--surface);
      color: var(--ink);
      transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    }

    .icon-btn:hover {
      color: var(--brand-blue);
      border-color: var(--line-blue);
      background: var(--surface-blue);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 18px;
      gap: 10px;
      border-top: 1px solid var(--line);
    }

    .page-hero {
      padding: 76px 0 42px;
      background:
        linear-gradient(180deg, #ffffff 0%, rgba(239, 246, 255, 0.65) 100%);
      border-bottom: 1px solid var(--line-blue);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
      gap: 48px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--soft);
      font-size: 14px;
      margin-bottom: 22px;
    }

    .breadcrumb a {
      color: var(--brand-blue);
      font-weight: 650;
    }

    .breadcrumb span {
      color: var(--muted);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--brand-blue);
      background: var(--surface-blue);
      border: 1px solid var(--line-blue);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--brand-cyan);
      box-shadow: 0 0 0 5px rgba(8, 145, 178, 0.12);
    }

    h1 {
      margin: 0;
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.16;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--ink);
      max-width: 820px;
    }

    .hero-summary {
      margin: 22px 0 0;
      color: var(--muted);
      font-size: 18px;
      max-width: 760px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .trust-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 34px;
      max-width: 720px;
    }

    .trust-item {
      padding: 14px 16px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.78);
      color: var(--muted);
      font-size: 14px;
    }

    .trust-item strong {
      display: block;
      color: var(--ink);
      font-size: 18px;
      line-height: 1.3;
      margin-bottom: 2px;
    }

    .visual-panel {
      position: relative;
      min-height: 420px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(255, 255, 255, 0.95)),
        repeating-linear-gradient(90deg, rgba(37, 99, 235, 0.08) 0 1px, transparent 1px 34px);
      border: 1px solid var(--line-blue);
      box-shadow: var(--shadow);
      padding: 28px;
      overflow: hidden;
    }

    .visual-panel::before {
      content: "01";
      position: absolute;
      top: 18px;
      right: 24px;
      font-size: 76px;
      line-height: 1;
      font-weight: 800;
      color: rgba(37, 99, 235, 0.12);
    }

    .panel-title {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 22px;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--line-blue);
    }

    .panel-title strong {
      font-size: 22px;
      line-height: 1.35;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line-blue);
      color: var(--brand-blue);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .panel-checks {
      display: grid;
      gap: 12px;
      margin: 0 0 22px;
      padding: 0;
      list-style: none;
    }

    .panel-checks li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: #fff;
      border: 1px solid rgba(219, 234, 254, 0.9);
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
    }

    .check-index {
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      font-size: 13px;
      font-weight: 800;
      flex: 0 0 auto;
    }

    .panel-checks b {
      display: block;
      line-height: 1.4;
      margin-bottom: 2px;
    }

    .panel-checks span:last-child {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .mini-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 11px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

    .section {
      padding: 88px 0;
    }

    .section.compact {
      padding: 64px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--brand-blue);
      font-weight: 800;
      font-size: 14px;
      margin-bottom: 8px;
    }

    h2 {
      margin: 0;
      font-size: clamp(25px, 3.4vw, 38px);
      line-height: 1.22;
      letter-spacing: 0;
      font-weight: 800;
    }

    .section-note {
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .filter-toolbar {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      margin-top: -28px;
      position: relative;
      z-index: 2;
    }

    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-pill {
      min-height: 40px;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 8px 14px;
      background: #fff;
      color: var(--muted);
      font-weight: 700;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    }

    .filter-pill:hover {
      border-color: #bfdbfe;
      background: var(--surface-blue);
      color: var(--brand-blue);
      transform: translateY(-1px);
    }

    .filter-pill.active {
      background: var(--brand-blue);
      border-color: var(--brand-blue);
      color: #fff;
    }

    .filter-controls {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .field-inline {
      height: 44px;
      display: flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 0 14px;
      background: #fff;
      color: var(--soft);
    }

    .field-inline input {
      width: 190px;
      border: 0;
      outline: 0;
      color: var(--ink);
      background: transparent;
      font-size: 14px;
    }

    .field-inline:focus-within,
    .select-wrap:focus-within {
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
    }

    .select-wrap {
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      padding: 0 12px;
      display: flex;
      align-items: center;
    }

    .select-wrap select {
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-weight: 650;
      font-size: 14px;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 28px;
      align-items: start;
    }

    .index-list {
      display: grid;
      gap: 18px;
    }

    .index-card {
      display: grid;
      grid-template-columns: 76px minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 12px 32px rgba(15, 23, 42, 0.055);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .index-card:hover {
      transform: translateY(-4px);
      border-color: #bfdbfe;
      box-shadow: var(--shadow-hover);
    }

    .index-number {
      width: 62px;
      height: 62px;
      border-radius: 18px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 800;
    }

    .index-card h3 {
      margin: 0 0 8px;
      font-size: 21px;
      line-height: 1.35;
    }

    .index-card p {
      margin: 0 0 13px;
      color: var(--muted);
      line-height: 1.65;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--soft);
      font-size: 13px;
    }

    .meta-chip {
      display: inline-flex;
      padding: 5px 9px;
      border-radius: 999px;
      background: #f8fafc;
      border: 1px solid var(--line);
      color: var(--muted);
      font-weight: 650;
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 92px;
    }

    .side-card,
    .info-card,
    .process-card {
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 12px 32px rgba(15, 23, 42, 0.055);
      overflow: hidden;
    }

    .side-card-head {
      padding: 18px 20px;
      background: var(--surface-blue);
      border-bottom: 1px solid var(--line-blue);
      color: var(--ink);
      font-weight: 800;
    }

    .side-card-body {
      padding: 20px;
    }

    .side-card-body p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .side-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .side-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 15px;
    }

    .side-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 10px;
      border-radius: 50%;
      background: var(--brand-blue);
      flex: 0 0 auto;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .evidence-band {
      background: #fff;
      border-block: 1px solid var(--line);
    }

    .metric-board {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 28px;
      align-items: stretch;
    }

    .metric-primary {
      border-radius: 28px;
      padding: 32px;
      background:
        linear-gradient(135deg, #eff6ff, #ffffff);
      border: 1px solid var(--line-blue);
      box-shadow: var(--shadow);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin-top: 24px;
    }

    .metric-item {
      padding: 22px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--line);
    }

    .metric-value {
      display: block;
      color: var(--brand-blue);
      font-size: 44px;
      line-height: 1;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .metric-label {
      color: var(--muted);
      font-size: 14px;
    }

    .note-stack {
      display: grid;
      gap: 18px;
    }

    .info-card {
      padding: 24px;
    }

    .info-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .info-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .process-card {
      padding: 24px;
      position: relative;
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .process-card:hover {
      transform: translateY(-4px);
      border-color: #bfdbfe;
      box-shadow: var(--shadow-hover);
    }

    .process-step {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      font-weight: 800;
      margin-bottom: 18px;
    }

    .process-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
    }

    .process-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .privacy-wrap {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      gap: 28px;
      align-items: start;
    }

    .privacy-card {
      padding: 30px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .privacy-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }

    .privacy-card h2 {
      font-size: clamp(24px, 3vw, 34px);
      margin-bottom: 14px;
    }

    .privacy-card p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .privacy-points {
      display: grid;
      gap: 10px;
      margin-top: 20px;
    }

    .privacy-point {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 15px;
    }

    .privacy-point span:first-child {
      color: var(--success);
      font-weight: 800;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
      overflow: hidden;
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .faq-item.is-open {
      background: var(--surface-blue);
      border-color: var(--line-blue);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 16px 18px;
      border: 0;
      background: transparent;
      color: var(--ink);
      text-align: left;
      font-weight: 750;
      font-size: 16px;
    }

    .faq-arrow {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-blue);
      transition: transform 0.2s ease;
    }

    .faq-item.is-open .faq-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-top: 30px;
    }

    .page-link {
      min-width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--muted);
      font-weight: 700;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .page-link:hover {
      background: var(--surface-blue);
      color: var(--brand-blue);
      border-color: var(--line-blue);
    }

    .page-link.current {
      background: var(--brand-blue);
      border-color: var(--brand-blue);
      color: #fff;
    }

    .state-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 22px;
    }

    .state-box {
      padding: 22px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--line);
    }

    .state-box h3 {
      margin: 0 0 10px;
      font-size: 18px;
    }

    .empty-mark {
      width: 50px;
      height: 50px;
      border-radius: 16px;
      background: var(--surface-blue);
      color: var(--brand-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }

    .state-box p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 15px;
    }

    .skeleton {
      display: grid;
      gap: 12px;
    }

    .skeleton-line {
      height: 14px;
      border-radius: 999px;
      background: linear-gradient(90deg, #e2e8f0 0%, #f1f5f9 50%, #e2e8f0 100%);
      background-size: 200% 100%;
      animation: shimmer 1.4s infinite linear;
    }

    .skeleton-line.short {
      width: 56%;
    }

    @keyframes shimmer {
      to {
        background-position: -200% 0;
      }
    }

    .cta-band {
      padding: 42px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, #eff6ff, #ffffff);
      border: 1px solid var(--line-blue);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
    }

    .cta-band h2 {
      font-size: clamp(24px, 3vw, 34px);
      margin-bottom: 10px;
    }

    .cta-band p {
      margin: 0;
      color: var(--muted);
    }

    .cta-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .site-footer {
      background: #fff;
      border-top: 1px solid var(--line);
      padding: 46px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 34px;
      align-items: start;
    }

    .footer-brand p {
      max-width: 650px;
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 15px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 16px;
      justify-content: flex-end;
      max-width: 360px;
    }

    .footer-links a {
      color: var(--muted);
      font-weight: 650;
      font-size: 15px;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--brand-blue);
      text-decoration: underline;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
      justify-content: space-between;
      color: var(--soft);
      font-size: 14px;
    }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: rgba(15, 23, 42, 0.35);
    }

    .modal-backdrop.is-open {
      display: flex;
    }

    .modal {
      width: min(620px, calc(100vw - 32px));
      max-height: calc(100vh - 48px);
      overflow: auto;
      border-radius: 22px;
      background: #fff;
      box-shadow: 0 28px 80px rgba(15, 23, 42, 0.22);
      border: 1px solid var(--line);
    }

    .modal-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 18px;
      padding: 24px 24px 18px;
      border-bottom: 1px solid var(--line);
    }

    .modal-head h2 {
      font-size: 24px;
      margin: 0 0 4px;
    }

    .modal-head p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .modal-close {
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--muted);
      flex: 0 0 auto;
    }

    .modal-close:hover {
      color: var(--brand-blue);
      background: var(--surface-blue);
      border-color: var(--line-blue);
    }

    .lead-form {
      padding: 24px;
      display: grid;
      gap: 16px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-field {
      display: grid;
      gap: 7px;
    }

    .form-field.full {
      grid-column: 1 / -1;
    }

    .form-field label {
      color: var(--ink);
      font-size: 14px;
      font-weight: 750;
    }

    .form-field input,
    .form-field select,
    .form-field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      color: var(--ink);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-field input,
    .form-field select {
      height: 48px;
      padding: 0 14px;
    }

    .form-field textarea {
      min-height: 118px;
      padding: 12px 14px;
      resize: vertical;
    }

    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
    }

    .form-error {
      display: none;
      color: var(--danger);
      font-size: 13px;
    }

    .form-field.has-error input,
    .form-field.has-error select,
    .form-field.has-error textarea {
      border-color: var(--danger);
    }

    .form-field.has-error .form-error {
      display: block;
    }

    .success-tip {
      display: none;
      padding: 12px 14px;
      border-radius: 14px;
      background: rgba(22, 163, 74, 0.08);
      color: var(--success);
      border: 1px solid rgba(22, 163, 74, 0.22);
      font-size: 14px;
      font-weight: 650;
    }

    .success-tip.is-visible {
      display: block;
    }

    .form-privacy {
      color: var(--soft);
      font-size: 13px;
      line-height: 1.6;
      margin: -2px 0 0;
    }

    @media (max-width: 1100px) {
      .nav {
        gap: 18px;
      }

      .nav-search {
        width: 210px;
      }

      .hero-grid,
      .metric-board,
      .privacy-wrap {
        grid-template-columns: 1fr;
      }

      .visual-panel {
        min-height: auto;
      }

      .content-layout {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(3, 1fr);
      }

      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 860px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .nav {
        min-height: 62px;
        grid-template-columns: auto 1fr auto;
      }

      .nav-links,
      .nav-search,
      .nav-actions .btn {
        display: none;
      }

      .icon-btn {
        display: inline-flex;
      }

      .mobile-panel.is-open {
        display: grid;
      }

      .mobile-panel .nav-link {
        border-radius: 14px;
        justify-content: flex-start;
      }

      .page-hero {
        padding: 56px 0 36px;
      }

      .trust-strip {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 64px 0;
      }

      .section-head,
      .filter-toolbar,
      .cta-band {
        grid-template-columns: 1fr;
      }

      .filter-controls {
        flex-wrap: wrap;
      }

      .field-inline,
      .field-inline input,
      .select-wrap {
        width: 100%;
      }

      .index-card {
        grid-template-columns: 1fr;
        gap: 14px;
      }

      .index-number {
        width: 54px;
        height: 54px;
      }

      .side-stack,
      .metric-grid,
      .state-panel {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 560px) {
      .logo span:last-child {
        max-width: 230px;
        white-space: normal;
        line-height: 1.2;
      }

      .hero-actions,
      .cta-band .btn {
        width: 100%;
      }

      .hero-actions .btn,
      .cta-band .btn {
        justify-content: center;
      }

      .visual-panel,
      .cta-band,
      .metric-primary,
      .privacy-card {
        border-radius: 22px;
        padding: 22px;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .form-grid {
        grid-template-columns: 1fr;
      }

      .pagination .page-link:nth-child(3),
      .pagination .page-link:nth-child(5) {
        display: none;
      }

      .copyright {
        display: grid;
      }
    }
