:root {
      --bg: #f6f8ff;
      --text: #18213d;
      --muted: #65708f;
      --primary: #2e7cdc;
      --primary-2: #7b61ff;
      --dark: #141d34;
      --line: #e7ebf7;
      --card: #ffffff;
      --success: #11a36a;
      --shadow: 0 18px 50px rgba(40, 67, 135, 0.12);
      --radius: 24px;
      --container: 1200px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background: linear-gradient(180deg, #fbfcff 0%, #f4f7ff 100%);
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(12px);
      background: rgba(255,255,255,0.88);
      border-bottom: 1px solid rgba(231, 235, 247, 0.85);
    }

    .site-header .inner {
      height: 78px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      flex: 0 0 auto;
      min-width: max-content;
      justify-self: start;
    }

    .brand-mark {
      display: block;
      flex: 0 0 auto;
      width: 44px;
      height: 44px;
      max-width: 44px;
      max-height: 44px;
      border-radius: 0;
      box-shadow: none;
      background: transparent;
      object-fit: contain;
    }

    .brand-wordmark {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: #18213d;
      line-height: 1;
    }

    .footer-brand .brand-mark {
      max-width: 42px;
      max-height: 42px;
    }

    .footer-brand .brand-wordmark {
      font-size: 20px;
      color: #ffffff;
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 28px;
      color: var(--muted);
      font-size: 15px;
      min-width: 0;
    }

    .nav a:hover { color: var(--text); }

    .nav-dropdown {
      position: relative;
    }

    .nav-trigger {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      cursor: pointer;
    }

    .nav-trigger::after {
      content: "▾";
      font-size: 12px;
      transform: translateY(-1px);
    }

    .nav-menu {
      position: absolute;
      top: calc(100% + 14px);
      left: 0;
      min-width: 220px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255,255,255,0.98);
      border: 1px solid var(--line);
      box-shadow: 0 18px 40px rgba(40, 67, 135, 0.14);
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: .2s ease;
    }

    .nav-dropdown:hover .nav-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .nav-menu a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 10px;
      border-radius: 14px;
      color: #1a2552;
      font-size: 15px;
      font-weight: 600;
    }

    .nav-menu a:hover {
      background: #f5f7ff;
      color: #111c44;
    }

    .menu-icon {
      width: 28px;
      height: 28px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #eef3ff 0%, #f3edff 100%);
      color: #5d73ff;
      font-size: 15px;
      flex: 0 0 auto;
    }

    .actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex: 0 0 auto;
      min-width: max-content;
      justify-self: end;
    }

    .lang-dropdown {
      position: relative;
    }

    .lang-switch {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      height: 40px;
      padding: 0 14px 0 0;
      background: transparent;
      border: 0;
      border-right: 1px solid rgba(24, 33, 61, 0.14);
      color: #273240;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: .2s ease;
    }

    .lang-dropdown:hover .lang-switch {
      opacity: .8;
      transform: translateY(-1px);
    }

    .lang-menu {
      position: absolute;
      top: calc(100% + 14px);
      left: 0;
      min-width: 230px;
      padding: 14px;
      border-radius: 20px;
      background: rgba(255,255,255,0.98);
      border: 1px solid var(--line);
      box-shadow: 0 18px 40px rgba(40, 67, 135, 0.14);
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: .2s ease;
      z-index: 120;
    }

    .lang-dropdown:hover .lang-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .lang-option {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 10px;
      border-radius: 14px;
      color: #1a2552;
      font-size: 15px;
      font-weight: 600;
      white-space: nowrap;
    }

    .lang-option:hover {
      background: #f5f7ff;
      color: #111c44;
    }

    .lang-flag {
      width: 30px;
      height: 20px;
      display: block;
      object-fit: cover;
      border-radius: 2px;
      box-shadow: 0 2px 6px rgba(16, 24, 40, 0.12);
      flex: 0 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      padding: 13px 22px;
      font-size: 15px;
      font-weight: 700;
      transition: transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
      border: 1px solid transparent;
      cursor: pointer;
    }

    .btn:hover {
      transform: translateY(-2px);
      filter: saturate(1.05);
    }
    .btn-primary {
      color: #2e7cdc;
      background: #fff;
      border-color: rgba(46, 124, 220, 0.18);
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
    }
    .btn-primary:hover {
      color: #fff;
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(75, 94, 255, 0.34);
    }

    .btn-primary.static-gradient {
      color: #fff;
      background: linear-gradient(90deg, var(--primary) 0%, #8a48ff 100%);
      border-color: transparent;
      box-shadow: 0 12px 28px rgba(75, 94, 255, 0.28);
    }

    .btn-primary.static-gradient:hover {
      color: #fff;
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(75, 94, 255, 0.34);
    }
    .btn-secondary {
      color: #2e7cdc;
      background: #fff;
      border-color: rgba(46, 124, 220, 0.18);
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
    }
    .btn-secondary:hover {
      color: #fff;
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(52, 92, 211, 0.28);
    }

    .hero {
      padding: 76px 0 56px;
      position: relative;
      overflow: hidden;
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      filter: blur(40px);
      opacity: 0.65;
      pointer-events: none;
    }

    .hero::before {
      width: 280px;
      height: 280px;
      background: rgba(110, 99, 255, 0.22);
      top: -80px;
      left: -60px;
    }

    .hero::after {
      width: 360px;
      height: 360px;
      background: rgba(46, 124, 220, 0.18);
      right: -100px;
      top: 20px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 28px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(123, 97, 255, 0.1);
      color: var(--primary-2);
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 22px;
    }

    h1 {
      margin: 0;
      font-size: clamp(40px, 6vw, 66px);
      line-height: 1.05;
      letter-spacing: -0.04em;
    }

    .gradient-text {
      background: linear-gradient(90deg, #0f59ff 0%, #cf34ff 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero p {
      margin: 20px 0 30px;
      font-size: 18px;
      line-height: 1.75;
      color: var(--muted);
      max-width: 640px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 26px;
    }

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

    .benefits li {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--text);
      font-size: 15px;
      font-weight: 600;
    }

    .benefits li::before {
      content: "✓";
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(17, 163, 106, 0.12);
      color: var(--success);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex: 0 0 auto;
    }

    .hero-visual {
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }

    .hero-shot {
      width: 100%;
      max-width: 760px;
      border-radius: 0;
      box-shadow: none;
    }

    .section {
      padding: 34px 0 90px;
    }

    .section-title {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-title .tag {
      display: inline-block;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--primary-2);
      background: rgba(123, 97, 255, 0.1);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .section-title h2 {
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.15;
      letter-spacing: -0.03em;
    }

    .section-title p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.75;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 30px;
    }

    .feature-card,
    .use-card,
    .review-card,
    .faq-item,
    .cta-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .feature-card {
      overflow: hidden;
      padding: 0;
      background: #f2efff;
      border-color: #ebe6ff;
      box-shadow: 0 18px 40px rgba(91, 104, 168, 0.12);
    }

    .feature-visual {
      height: 300px;
      background: #efeaff;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .feature-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .feature-body {
      padding: 34px 28px 30px;
    }

    .feature-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 18px 0 8px;
      color: #7b68d6;
      font-size: 15px;
      font-weight: 700;
    }

    .feature-label::before {
      content: "✓";
      font-size: 13px;
    }

    .feature-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: #2768d8;
      font-size: 16px;
      font-weight: 700;
    }

    .feature-link::after {
      content: "→";
      font-size: 18px;
    }

    .feature-cta {
      margin-top: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 164px;
      padding: 15px 24px;
      border-radius: 999px;
      background: #1a2552;
      color: #fff;
      font-size: 16px;
      font-weight: 700;
    }

    .feature-card h3,
    .use-card h3,
    .review-card h3 {
      margin: 0 0 12px;
      font-size: 26px;
      line-height: 1.2;
    }

    .feature-card p,
    .use-card p,
    .review-card p,
    .faq-answer,
    .footer-copy {
      margin: 0;
      color: var(--muted);
      line-height: 1.75;
      font-size: 16px;
    }

    .feature-points {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .feature-points li {
      padding: 14px 16px;
      border-radius: 16px;
      background: rgba(123, 97, 255, 0.06);
      font-size: 15px;
      font-weight: 600;
    }

    .tabs-wrap {
      width: min(980px, 100%);
      margin: 0 auto 28px;
      background: #fff;
      border-radius: 24px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      padding: 22px;
    }

    .tabs {
      display: inline-flex;
      gap: 8px;
      flex-wrap: wrap;
      background: #f5f7ff;
      border-radius: 999px;
      padding: 6px;
      margin-bottom: 24px;
    }

    .tab-btn {
      border: 0;
      background: transparent;
      padding: 10px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      color: var(--muted);
      cursor: pointer;
    }

    .tab-btn.active {
      background: linear-gradient(90deg, var(--primary-2) 0%, var(--primary) 100%);
      color: #fff;
      box-shadow: 0 10px 22px rgba(90, 92, 255, .24);
    }

    .tab-panel {
      display: none;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 24px;
      align-items: center;
    }

    .tab-panel.active { display: grid; }

    .tab-copy {
      max-width: 500px;
      padding-left: 4px;
    }

    .tab-copy h3 {
      margin: 0 0 12px;
      font-size: 24px;
      color: #1a2552;
    }

    .tab-copy p {
      margin: 0 0 18px;
      color: var(--muted);
      line-height: 1.75;
      font-size: 15px;
    }

    .tab-visual {
      min-height: 220px;
      border-radius: 20px;
      background: linear-gradient(135deg, #eef2ff 0%, #f9f4ff 100%);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .tab-visual img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .split-section {
      width: min(880px, 100%);
      margin: 36px auto 0;
      display: grid;
      gap: 54px;
    }

    .highlight {
      display: grid;
      grid-template-columns: 300px minmax(0, 420px);
      justify-content: space-between;
      gap: 40px;
      align-items: center;
    }

    .highlight.reverse {
      grid-template-columns: minmax(0, 420px) 300px;
    }

    .highlight.reverse .highlight-media {
      order: 2;
      justify-self: end;
    }

    .highlight.reverse .highlight-copy {
      order: 1;
    }

    .highlight-media {
      width: 100%;
    }

    .highlight-media img {
      width: 100%;
      max-width: 300px;
      display: block;
    }

    .highlight-copy {
      width: 100%;
      max-width: 420px;
    }

    .highlight-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #8f77ff;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .highlight-tag::before {
      content: "✺";
      font-size: 12px;
    }

    .highlight h3 {
      margin: 0 0 12px;
      font-size: clamp(22px, 2.6vw, 34px);
      line-height: 1.16;
      letter-spacing: -0.04em;
      color: #16224f;
    }

    .highlight p {
      margin: 0 0 18px;
      color: #4f5b7c;
      font-size: 14px;
      line-height: 1.75;
    }

    .highlight-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 118px;
      padding: 11px 20px;
      border-radius: 999px;
      background: linear-gradient(90deg, #8c67ff 0%, #6f57ff 100%);
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 8px 18px rgba(129, 101, 255, .2);
    }

    .use-grid,
    .review-grid,
    .faq-list,
    .footer-grid {
      display: grid;
      gap: 24px;
    }

    .use-grid {
      width: min(840px, 100%);
      margin: 0 auto;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 24px;
    }

    .use-card,
    .review-card {
      padding: 28px;
    }

    .use-card {
      min-height: 296px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border-radius: 28px;
      background: #fff;
      border: 1px solid #ecf1fb;
      box-shadow: 0 18px 45px rgba(70, 100, 140, 0.09);
    }

    .use-card h3 {
      margin: 0 0 14px;
      font-size: 22px;
      line-height: 1.2;
      color: #1a2552;
    }

    .use-card p {
      margin: 0;
      color: #4f5b7c;
      font-size: 15px;
      line-height: 1.8;
      max-width: 320px;
    }

    .scene-icons {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 26px;
    }

    .scene-icons img {
      width: 40px;
      height: 40px;
      display: block;
    }

    .review-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .review-card .stars {
      color: #ffb647;
      font-size: 18px;
      margin-bottom: 14px;
      letter-spacing: 1px;
    }

    .review-card p { margin-bottom: 18px; }
    .review-card strong { font-size: 17px; }

    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      overflow: hidden;
      box-shadow: 0 10px 32px rgba(23, 32, 67, 0.07);
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: #fff;
      text-align: left;
      padding: 22px 24px;
      font-size: 17px;
      font-weight: 800;
      color: var(--text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #f3f6ff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      font-weight: 400;
      flex: 0 0 auto;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .25s ease, padding .25s ease;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 22px;
    }

    .faq-item.active .faq-question span:last-child { transform: rotate(45deg); }

    .cta-band {
      padding-bottom: 0;
    }

    .cta-card {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 24px;
      padding: 40px;
      background: linear-gradient(135deg, #ffffff 0%, #f4f2ff 60%, #eef6ff 100%);
      align-items: center;
    }

    .cta-card h2 {
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.12;
    }

    .cta-card p {
      margin: 0 0 22px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.8;
    }

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

    .metric {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,0.76);
      border: 1px solid rgba(255,255,255,0.8);
      box-shadow: 0 10px 24px rgba(33, 51, 108, 0.08);
    }

    .metric strong {
      display: block;
      font-size: 28px;
      margin-bottom: 6px;
    }

    footer {
      margin-top: 90px;
      padding: 72px 0 28px;
      background: linear-gradient(180deg, #17203a 0%, #101728 100%);
      color: rgba(255,255,255,0.9);
    }

    .footer-grid {
      grid-template-columns: 1.2fr repeat(4, 1fr);
      align-items: start;
    }

    .footer-brand {
      padding-right: 20px;
    }

    .footer-brand .brand {
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 18px;
      color: #fff;
    }

    .footer-links {
      display: grid;
      gap: 12px;
      color: rgba(255,255,255,0.72);
      font-size: 14px;
    }

    .footer-bottom {
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,0.1);
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      color: rgba(255,255,255,0.55);
      font-size: 14px;
    }

    .download-hero {
      padding: 74px 0 38px;
      background: linear-gradient(180deg, #fbfcff 0%, #f5f8ff 100%);
    }

    .download-hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(300px, 380px);
      gap: 28px;
      align-items: center;
    }

    .download-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .download-badges span,
    .coming-soon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 14px;
      border-radius: 999px;
      background: #eef4ff;
      color: #2d4a88;
      font-size: 14px;
      font-weight: 700;
    }

    .download-sidecard {
      padding: 30px;
      border-radius: 28px;
      background: linear-gradient(180deg, #18213d 0%, #111a30 100%);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .download-sidecard-title {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .download-sidecard ul {
      margin: 0 0 24px;
      padding-left: 18px;
      color: rgba(255,255,255,.82);
      line-height: 1.8;
    }

    .download-platform-title {
      text-align: center;
      margin-bottom: 44px;
    }

    .download-platform-title h2 {
      margin-bottom: 18px;
      font-size: clamp(42px, 6vw, 76px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      color: #0f2f68;
      font-weight: 900;
    }

    .download-platform-title p {
      display: none;
    }

    .title-swoosh {
      width: min(700px, 68vw);
      height: 34px;
      margin: 0 auto;
      position: relative;
    }

    .title-swoosh::before,
    .title-swoosh::after {
      content: "";
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 999px;
      background: linear-gradient(90deg, #35e8f1 0%, #4f8cff 45%, #b267ff 100%);
      box-shadow: 0 4px 12px rgba(99, 122, 255, 0.18);
    }

    .title-swoosh::before {
      width: 100%;
      height: 6px;
      top: 12px;
    }

    .title-swoosh::after {
      width: 180px;
      height: 6px;
      top: 18px;
      left: 63%;
      transform: translateX(-50%) rotate(8deg);
    }

    .download-platform-grid,
    .download-steps-grid,
    .download-strip-grid {
      display: grid;
      gap: 22px;
    }

    .download-platform-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .platform-grid-three {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .download-platform-card,
    .download-step-card,
    .download-strip-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 24px;
      box-shadow: 0 14px 36px rgba(29, 46, 96, 0.08);
    }

    .download-platform-card {
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .platform-choice-card {
      min-height: 340px;
      align-items: center;
      justify-content: center;
      text-align: center;
      border-radius: 20px;
      box-shadow: 0 8px 24px rgba(29, 46, 96, 0.08);
    }

    .platform-download-card {
      position: relative;
      overflow: hidden;
      color: #1f3568;
      border: 1px solid var(--line);
      background: #ffffff;
      box-shadow: 0 4px 18px rgba(29, 46, 96, 0.08);
      transition: transform .22s ease, box-shadow .22s ease, filter .22s ease, border-color .22s ease;
    }

    .platform-download-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 52%, #6d5dfc 100%);
      opacity: 0;
      transition: opacity .22s ease;
      pointer-events: none;
    }

    .platform-download-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.2), transparent 35%), radial-gradient(circle at 80% 80%, rgba(255,255,255,0.12), transparent 30%);
      opacity: 0;
      transition: opacity .22s ease;
      pointer-events: none;
    }

    .platform-download-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 24px 48px rgba(59, 130, 246, 0.28);
      filter: saturate(1.05);
      border-color: transparent;
    }

    .platform-download-card:hover::before,
    .platform-download-card:hover::after {
      opacity: 1;
    }

    .platform-card-base,
    .platform-card-hover {
      position: relative;
      z-index: 1;
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 24px;
      transition: opacity .22s ease, transform .22s ease;
    }

    .platform-card-hover {
      position: absolute;
      inset: 0;
      opacity: 0;
      padding: 28px;
      color: #fff;
      justify-content: center;
      text-align: center;
    }

    .platform-download-card:hover .platform-card-base {
      opacity: 0;
      transform: scale(.98);
    }

    .platform-download-card:hover .platform-card-hover {
      opacity: 1;
    }

    .feature-cta,
    .highlight-btn {
      transition: transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease;
    }

    .feature-cta:hover,
    .highlight-btn:hover {
      transform: translateY(-2px);
      filter: saturate(1.05);
    }

    .feature-cta {
      color: #2e7cdc;
      background: #fff;
      border: 1px solid rgba(46, 124, 220, 0.18);
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
    }

    .feature-cta:hover {
      color: #fff;
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(52, 92, 211, 0.28);
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
    }

    .highlight-btn {
      color: #2e7cdc;
      background: #fff;
      border: 1px solid rgba(46, 124, 220, 0.18);
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
    }

    .highlight-btn:hover {
      color: #fff;
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(52, 92, 211, 0.28);
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
    }

    .platform-download-icon,
    .platform-download-copy {
      transition: color .22s ease, text-shadow .22s ease;
      color: #ffffff;
      text-shadow: 0 2px 12px rgba(15, 23, 42, 0.14);
    }

    .platform-download-icon {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -62%);
      font-size: 108px;
      line-height: 1;
      font-weight: 300;
      pointer-events: none;
    }

    .platform-download-copy {
      position: absolute;
      left: 50%;
      bottom: 36px;
      transform: translateX(-50%);
      width: calc(100% - 56px);
      font-size: 24px;
      font-weight: 700;
      text-align: center;
      pointer-events: none;
    }

    .platform-choice-head {
      width: 100%;
      display: flex;
      justify-content: center;
    }

    .platform-choice-title-wrap {
      display: inline-flex;
      align-items: center;
      gap: 18px;
      color: #1f3568;
    }

    .platform-choice-title-wrap h3 {
      font-size: 42px;
      line-height: 1;
    }

    .platform-system-icon {
      width: 64px;
      height: 64px;
      display: block;
      flex: 0 0 auto;
    }

    .platform-system-icon-windows {
      width: 56px;
      height: 56px;
    }

    .platform-choice-meta {
      display: grid;
      gap: 10px;
      color: #243a6a;
      line-height: 1.8;
      font-size: 18px;
    }

    .platform-choice-meta strong {
      font-size: 22px;
      color: #223767;
    }

    .platform-choice-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 18px;
      color: #223767;
      font-size: 18px;
    }

    .platform-choice-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 6px;
    }

    .center-actions,
    .split-actions {
      justify-content: center;
    }

    .pill-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 94px;
      height: 40px;
      padding: 0 20px;
      border-radius: 999px;
      border: 1px solid #8db5f5;
      color: #2e7cdc;
      font-size: 14px;
      font-weight: 700;
      background: #fff;
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
      transition: transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }

    .pill-link:hover {
      transform: translateY(-2px);
      filter: saturate(1.05);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(52, 92, 211, 0.28);
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
    }

    .secondary-pill {
      min-width: 112px;
    }

    .download-platform-card h3,
    .download-step-card h3 {
      margin: 0;
      font-size: 24px;
    }

    .download-platform-card p,
    .download-step-card p,
    .download-strip-card span {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
    }

    .download-platform-card ul {
      margin: 0;
      padding-left: 18px;
      color: #304264;
      line-height: 1.8;
      flex: 1;
    }

    .featured {
      border-color: rgba(46, 124, 220, 0.25);
      box-shadow: 0 18px 44px rgba(46, 124, 220, 0.14);
    }

    .platform-icon {
      width: 58px;
      height: 58px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      color: #245fbc;
      background: linear-gradient(135deg, #edf4ff 0%, #f5efff 100%);
    }

    .stacked-actions {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 112px;
      height: 40px;
      padding: 0 20px;
      border-radius: 999px;
      color: #2e7cdc;
      font-weight: 700;
      background: #fff;
      border: 1px solid #8db5f5;
      box-shadow: 0 10px 20px rgba(25, 33, 61, 0.06);
      transition: transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }

    .text-link:hover {
      transform: translateY(-2px);
      filter: saturate(1.05);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 18px 34px rgba(52, 92, 211, 0.28);
      background: linear-gradient(90deg, #2390f0 0%, #9852ff 100%);
    }

    .disabled-card {
      opacity: .88;
    }

    .download-feature-strip {
      padding-top: 0;
    }

    .download-strip-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .download-strip-card {
      padding: 24px 26px;
    }

    .download-strip-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
      color: #16203c;
    }

    .download-summary-band {
      padding-top: 10px;
    }

    .download-summary-wrap {
      padding: 34px;
      border-radius: 24px;
      background: #f6f8ff;
      border: 1px solid #e7ecfb;
    }

    .download-summary-head {
      max-width: 680px;
      margin-bottom: 24px;
    }

    .download-summary-head h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.14;
      letter-spacing: -0.03em;
      color: #14234a;
    }

    .download-summary-head p {
      margin: 0 0 20px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.7;
    }

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

    .download-summary-card {
      padding: 24px 26px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid #edf1fb;
      box-shadow: none;
    }

    .download-summary-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: clamp(22px, 2.6vw, 30px);
      line-height: 1.18;
      letter-spacing: -0.03em;
      color: #14234a;
    }

    .download-summary-card span {
      display: block;
      font-size: 15px;
      line-height: 1.6;
      color: #4b5a7d;
    }

    .trial-cta-wrap {
      padding: 54px 56px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid #eef2fb;
      box-shadow: 0 12px 32px rgba(29, 46, 96, 0.08);
    }

    .trial-cta-head {
      max-width: none;
      margin-bottom: 0;
    }

    .trial-cta-head h2 {
      margin: 0 0 18px;
      font-size: clamp(42px, 5vw, 64px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: #1a2340;
    }

    .trial-cta-head p {
      margin: 0 0 30px;
      font-size: clamp(22px, 2.8vw, 32px);
      line-height: 1.45;
      color: #1f2c4d;
    }

    .browser-hero {
      padding: 34px 0 72px;
      background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 79%), linear-gradient(270deg, #eceeff 0%, #ebf5ff 100%);
    }

    .browser-breadcrumb {
      font-size: 14px;
      color: #506186;
      margin-bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .browser-breadcrumb a,
    .phone-breadcrumb a {
      color: #2e7cdc;
      text-decoration: none;
    }

    .browser-breadcrumb a:hover,
    .phone-breadcrumb a:hover {
      text-decoration: underline;
    }

    .browser-hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 24px;
      text-align: center;
    }

    .browser-hero-copy {
      max-width: 760px;
    }

    .browser-hero-copy h1 {
      margin: 0;
      font-size: clamp(44px, 6vw, 64px);
      line-height: 1.1;
      color: #1A2552;
    }

    .browser-hero-subline {
      margin-top: 12px;
      font-size: clamp(28px, 4.4vw, 40px);
      line-height: 1.2;
      color: #1A2552;
      font-weight: 600;
    }

    .browser-hero-gradient {
      background: linear-gradient(90deg, #0C24FF 0%, #F401FF 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .browser-hero-copy p {
      margin: 18px auto 0;
      max-width: 620px;
      font-size: 17px;
      line-height: 1.7;
      color: #1A2552;
    }

    .browser-hero-copy .btn {
      margin-top: 28px;
    }

    .browser-hero-visual img {
      width: min(450px, 100%);
      height: auto;
      display: block;
    }

    .browser-dark-intro {
      background: #262626;
      padding: 72px 24px;
      color: #fff;
    }

    .browser-dark-intro-inner h2 {
      margin: 0 0 28px;
      text-align: center;
      font-size: clamp(32px, 4vw, 40px);
    }

    .browser-dark-intro-grid {
      display: grid;
      grid-template-columns: 274px minmax(0, 1fr);
      gap: 30px;
      max-width: 860px;
      margin: 0 auto;
      align-items: center;
    }

    .browser-dark-intro-grid img {
      width: 100%;
      border-radius: 14px;
    }

    .browser-dark-intro-grid p {
      color: #d5d5d5;
      line-height: 1.75;
      margin: 0 0 14px;
    }

    .browser-light-btn {
      color: #1A2552;
      background: #69F2FF;
      border-color: transparent;
      box-shadow: none;
    }

    .browser-light-btn:hover {
      color: #1A2552;
      background: linear-gradient(90deg, #69F2FF 0%, #9af7ff 100%);
      box-shadow: 0 16px 28px rgba(105, 242, 255, 0.22);
    }

    .browser-why-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .browser-why-card {
      padding: 24px 22px;
      border-radius: 18px;
      border: 1px solid transparent;
      display: flex;
      flex-direction: column;
      gap: 12px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.06);
      transition: box-shadow .22s ease, transform .22s ease;
    }

    .browser-why-card:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,0.12); }
    .browser-why-card h3 { margin: 0; font-size: 24px; color: #000; }
    .browser-why-card p { margin: 0; color: #000; line-height: 1.6; }
    .browser-why-card.tech { background: #F3F9F7; border-color: #89C6BD; }
    .browser-why-card.safe { background: #F4FAFF; border-color: #B7DBFF; }
    .browser-why-card.efficient { background: #F7F6FF; border-color: #B2A6FF; }
    .browser-why-card.team { background: #F8F2FF; border-color: #C38FFF; }

    .browser-feature-block.tech-block { background: #F3F9F7; }
    .browser-feature-block.safe-block { background: #F8FAFF; }
    .browser-feature-block.efficiency-block { background: #F7F6FF; }
    .browser-feature-block.team-block { background: #F8F2FF; }

    .browser-feature-grid.three-up {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }

    .browser-feature-card {
      background: #fff;
      padding: 24px;
      border-radius: 14px;
      box-shadow: 0 4px 21px rgba(90,141,133,0.16);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .browser-feature-card h3,
    .browser-single-panel h3,
    .browser-side-card h3,
    .browser-team-row h3 {
      margin: 0;
      font-size: 24px;
      color: #1A2552;
    }

    .browser-feature-card p,
    .browser-single-panel p,
    .browser-side-card p,
    .browser-team-row p {
      margin: 0;
      line-height: 1.7;
      color: #1A2552;
    }

    .browser-feature-card.with-image img { width: 120px; height: auto; }
    .browser-feature-card.border-blue,
    .browser-single-panel.border-blue { border: 1px solid #B7DBFF; box-shadow: none; }

    .browser-single-panel {
      margin-top: 24px;
      background: #fff;
      padding: 24px;
      border-radius: 14px;
    }

    .browser-center-cta {
      display: flex;
      justify-content: center;
      margin-top: 18px;
    }

    .browser-side-stack {
      display: grid;
      gap: 24px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .browser-side-card {
      display: grid;
      grid-template-columns: 1fr 416px;
      gap: 48px;
      align-items: center;
      padding: 24px 0;
    }

    .browser-side-card.reverse {
      grid-template-columns: 240px 1fr;
    }

    .browser-side-card img {
      width: 100%;
      border-radius: 18px;
      object-fit: contain;
    }

    .browser-team-list {
      display: grid;
      gap: 0;
      background: #fff;
      border-radius: 14px;
      overflow: hidden;
    }

    .browser-team-row {
      display: grid;
      grid-template-columns: 282px 1fr;
      gap: 48px;
      align-items: center;
      padding: 24px;
      border-bottom: 1px solid #EFE1FF;
    }

    .browser-team-row:last-child { border-bottom: 0; }
    .browser-team-row img { width: 100%; border-radius: 12px; }

    .browser-faq-section { background: #FBFCFF; }

    @media (max-width: 1100px) {
      .browser-why-grid,
      .browser-feature-grid.three-up {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .browser-side-card,
      .browser-side-card.reverse,
      .browser-team-row,
      .browser-dark-intro-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 860px) {
      .browser-why-grid,
      .browser-feature-grid.three-up {
        grid-template-columns: 1fr;
      }

      .browser-dark-intro {
        padding-left: 16px;
        padding-right: 16px;
      }

      .browser-side-card,
      .browser-team-row { gap: 24px; }
    }

    .phone-hero {
      padding: 34px 0 72px;
      background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 82%), linear-gradient(270deg, #f3f1ff 0%, #eef6ff 100%);
    }

    .phone-breadcrumb {
      font-size: 14px;
      color: #506186;
      margin-bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .phone-hero-inner,
    .phone-what-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .phone-hero-copy {
      max-width: 820px;
    }

    .phone-hero-copy h1,
    .phone-what-inner h2 {
      margin: 0;
      font-size: clamp(40px, 5.6vw, 58px);
      line-height: 1.14;
      color: #1A2552;
    }

    .phone-hero-copy p,
    .phone-what-list p {
      margin: 18px auto 0;
      max-width: 760px;
      font-size: 17px;
      line-height: 1.72;
      color: #1A2552;
    }

    .phone-hero-copy .btn,
    .phone-what-inner .btn {
      margin-top: 28px;
    }

    .phone-hero-visual {
      margin-top: 28px;
      width: min(940px, 100%);
      background: transparent;
      border-radius: 0;
      box-shadow: none;
      padding: 0;
    }

    .phone-hero-visual img,
    .phone-what-visual img,
    .phone-side-card img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 18px;
    }

    .phone-what-section {
      padding: 72px 0;
      background: #fff;
    }

    .phone-what-inner h2 {
      font-size: clamp(34px, 4.2vw, 40px);
      margin-bottom: 34px;
    }

    .phone-what-list {
      display: grid;
      gap: 18px;
      max-width: 860px;
      width: 100%;
      text-align: left;
    }

    .phone-what-list article {
      display: grid;
      grid-template-columns: 16px 1fr;
      gap: 14px;
      align-items: start;
    }

    .phone-what-list span {
      width: 16px;
      height: 16px;
      margin-top: 8px;
      border-radius: 999px;
      background: linear-gradient(90deg, #0C24FF 0%, #F401FF 100%);
    }

    .phone-what-list p {
      margin: 0;
      max-width: none;
    }

    .phone-what-visual {
      width: min(760px, 100%);
      margin-top: 28px;
      padding: 20px;
      background: #f6f8ff;
      border-radius: 28px;
    }

    .phone-why-grid,
    .phone-mini-grid {
      display: grid;
      gap: 20px;
    }

    .phone-why-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .phone-why-card,
    .phone-mini-card {
      padding: 24px;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 4px 21px rgba(90, 141, 133, 0.12);
    }

    .phone-why-card h3,
    .phone-mini-card h3,
    .phone-side-card h3 {
      margin: 0 0 10px;
      font-size: 24px;
      line-height: 1.2;
      color: #1A2552;
    }

    .phone-why-card p,
    .phone-mini-card p,
    .phone-side-card p {
      margin: 0;
      line-height: 1.68;
      color: #1A2552;
    }

    .phone-why-card.mint { background: #F3F9F7; border: 1px solid #89C6BD; }
    .phone-why-card.purple { background: #F7F6FF; border: 1px solid #B2A6FF; }
    .phone-why-card.orange { background: #FFF7EC; border: 1px solid #FBB157; }
    .phone-why-card.lime { background: #FCFFED; border: 1px solid #DAF093; }

    .phone-feature-block.mint-block { background: #F3F9F7; }
    .phone-feature-block.purple-block,
    .phone-feature-block.sync-block { background: #F7F6FF; }
    .phone-feature-block.team-soft-block { background: #fff; }
    .phone-feature-block.lime-block { background: #FEFFF7; }

    .phone-mini-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .phone-mini-grid.two-up {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      max-width: 860px;
      margin: 0 auto;
    }

    .phone-side-stack {
      display: grid;
      gap: 24px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .phone-side-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 36px;
      align-items: center;
      background: #fff;
      padding: 24px;
      border-radius: 20px;
      box-shadow: 0 4px 21px rgba(90, 141, 133, 0.12);
    }

    .phone-side-card.reverse {
      grid-template-columns: 320px minmax(0, 1fr);
    }

    .phone-side-card.soft-card {
      box-shadow: none;
      gap: 42px;
    }

    .phone-side-card.orange-tint {
      background: #FFF7EC;
    }

    .phone-kicker {
      display: inline-flex;
      margin-bottom: 12px;
      color: #806CFF;
      font-size: 16px;
      line-height: 1.2;
    }

    .compact-stack .phone-side-card {
      max-width: 860px;
      margin: 0 auto;
    }

    @media (max-width: 1100px) {
      .phone-why-grid,
      .phone-mini-grid,
      .phone-mini-grid.two-up {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .phone-side-card,
      .phone-side-card.reverse {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 860px) {
      .phone-why-grid,
      .phone-mini-grid,
      .phone-mini-grid.two-up {
        grid-template-columns: 1fr;
      }

      .phone-hero,
      .phone-what-section {
        padding-left: 0;
        padding-right: 0;
      }

      .phone-hero-visual,
      .phone-what-visual,
      .phone-side-card {
        border-radius: 20px;
      }
    }

    .api-hero {
      padding: 34px 0 72px;
      background: linear-gradient(180deg, #F2F8FF 0%, rgba(242, 248, 255, 0) 100%);
    }

    .api-breadcrumb {
      font-size: 14px;
      color: #506186;
      margin-bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .api-breadcrumb a {
      color: #2e7cdc;
      text-decoration: none;
    }

    .api-breadcrumb a:hover { text-decoration: underline; }

    .api-hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
      gap: 40px;
      align-items: center;
    }

    .api-hero-copy h1 {
      margin: 0;
      font-size: clamp(40px, 5.6vw, 56px);
      line-height: 1.1;
      color: #000;
    }

    .api-hero-copy p {
      margin: 18px 0 0;
      max-width: 528px;
      font-size: 18px;
      line-height: 1.6;
      color: #69798f;
    }

    .api-hero-actions,
    .api-banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .api-hero-visual {
      display: flex;
      justify-content: center;
    }

    .api-code-window {
      width: 100%;
      max-width: 592px;
      background: #12192f;
      border-radius: 24px;
      box-shadow: 0 20px 50px rgba(18, 25, 47, 0.18);
      overflow: hidden;
    }

    .api-code-dots {
      display: flex;
      gap: 8px;
      padding: 16px 18px 0;
    }

    .api-code-dots span {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.45);
    }

    .api-code-window pre {
      margin: 0;
      padding: 18px 24px 24px;
      white-space: pre-wrap;
      font: 500 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      color: #dce6ff;
    }

    .api-integration-strip {
      margin-top: 26px;
    }

    .api-integration-strip h2,
    .api-build-section .section-title h2,
    .api-start-section .section-title h2 {
      text-align: left;
      margin-bottom: 32px;
    }

    .section-title.align-left p,
    .section-title.align-left h2 {
      text-align: left;
    }

    .api-integration-grid,
    .api-build-grid,
    .api-start-grid {
      display: grid;
      gap: 24px;
    }

    .api-integration-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .api-tool-card {
      min-height: 269px;
      padding: 24px;
      border-radius: 24px;
      background: #fff;
      box-shadow: 0 6px 12px rgba(0,0,0,0.04);
      border: 1px solid #edf0f5;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 14px;
    }

    .api-tool-card strong,
    .api-build-card h3,
    .api-banner h3 {
      font-size: 22px;
      line-height: 1.2;
      color: #000;
      margin: 0;
    }

    .api-tool-card p,
    .api-build-card p,
    .api-banner p {
      margin: 0;
      line-height: 1.6;
      color: #3a435f;
    }

    .api-tool-card span {
      color: #2563eb;
      font-weight: 700;
    }

    .api-build-section { background: #F8FAFC; }

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

    .api-build-card {
      display: block;
      padding: 24px;
      background: #fff;
      border: 1px solid #edf0f5;
      border-radius: 24px;
      box-shadow: 0 6px 12px rgba(0,0,0,0.02);
    }

    .api-start-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      background: #e6e6e6;
      border: 1px solid #e6e6e6;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 6px 12px rgba(0,0,0,0.02);
    }

    .api-start-grid a,
    .api-start-grid div {
      background: #fff;
      padding: 24px;
      font-size: 18px;
      font-weight: 500;
      color: #000;
    }

    .api-banner {
      margin-top: 72px;
      padding: 40px 48px;
      border-radius: 20px;
      background: linear-gradient(90deg, #3560dd 0%, #12192f 100%);
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 32px;
    }

    .api-banner h3,
    .api-banner p { color: #fff; }
    .api-banner p { opacity: 0.8; max-width: 560px; }
    .api-banner-secondary { background: #fff; color: #000; border-color: #e6e6e6; }

    @media (max-width: 1100px) {
      .api-hero-inner,
      .api-integration-grid,
      .api-build-grid,
      .api-start-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .api-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 860px) {
      .api-hero-inner,
      .api-integration-grid,
      .api-build-grid,
      .api-start-grid {
        grid-template-columns: 1fr;
      }

      .api-banner {
        padding: 28px 24px;
      }
    }

    .scenarios-hero {
      padding: 48px 0 28px;
      background: #fff;
    }

    .scenarios-title-wrap {
      position: relative;
      text-align: center;
      margin-top: 22px;
    }

    .scenarios-title-wrap h1 {
      margin: 0;
      font-size: clamp(32px, 5vw, 48px);
      font-weight: 800;
      color: #000;
    }

    .scenarios-title-accent {
      width: 164px;
      height: 16px;
      margin: 10px auto 0;
      border-radius: 999px;
      background: linear-gradient(90deg, #f8b4ff 0%, #8eb3ff 100%);
      opacity: 0.9;
    }

    .scenarios-hero-desc {
      max-width: 760px;
      margin: 28px auto 0;
      text-align: center;
      color: #4d5875;
      font-size: 17px;
      line-height: 1.72;
    }

    .scenarios-grid-section {
      padding-top: 18px;
    }

    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 30px;
    }

    .scenario-card {
      min-height: 320px;
      padding: 32px;
      border-radius: 18px;
      background: #181e48;
      border: 1px solid rgba(255,255,255,0.14);
      color: #fff;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .scenario-card h2,
    .scenarios-summary-card h3 {
      margin: 0;
      font-size: 24px;
      line-height: 1.2;
    }

    .scenario-card p,
    .scenarios-summary-card p,
    .scenario-card li {
      margin: 0;
      color: #d0dcf1;
      line-height: 1.7;
    }

    .scenario-card ul {
      margin: 0;
      padding-left: 18px;
      display: grid;
      gap: 8px;
    }

    .scenario-icon {
      width: 70px;
      height: 70px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255,255,255,0.08);
      font-size: 34px;
    }

    .scenario-card-highlight {
      background: linear-gradient(160deg, #323e99 0%, #181e48 100%);
      justify-content: space-between;
    }

    .scenarios-summary-section {
      background: #f8fbff;
    }

    .scenarios-summary-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }

    .scenarios-summary-card {
      padding: 24px;
      background: #fff;
      border: 1px solid #e8edf7;
      border-radius: 18px;
      box-shadow: 0 6px 16px rgba(0,0,0,0.03);
    }

    @media (max-width: 1100px) {
      .scenarios-grid,
      .scenarios-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 860px) {
      .scenarios-grid,
      .scenarios-summary-grid {
        grid-template-columns: 1fr;
      }
    }

    .help-hero {
      padding: 48px 0 36px;
      background: linear-gradient(180deg, #f2f8ff 0%, rgba(242,248,255,0) 100%);
    }

    .help-hero-inner {
      display: flex;
      justify-content: center;
      text-align: center;
    }

    .help-hero-copy {
      max-width: 760px;
    }

    .help-hero-copy h1 {
      margin: 0;
      font-size: clamp(36px, 5vw, 54px);
      line-height: 1.12;
      color: #000;
    }

    .help-hero-copy p {
      margin: 18px auto 0;
      font-size: 18px;
      line-height: 1.68;
      color: #69798f;
    }

    .official-help-hero {
      padding-bottom: 20px;
    }

    .help-hero-panel {
      margin: 28px auto 0;
      max-width: 980px;
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.7fr);
      gap: 18px;
    }

    .help-hero-panel-main,
    .help-hero-panel-side {
      background: rgba(255,255,255,0.92);
      border: 1px solid #dfe7f5;
      border-radius: 22px;
      box-shadow: 0 10px 28px rgba(25, 51, 107, 0.06);
      padding: 24px;
      text-align: left;
    }

    .help-hero-panel-main strong,
    .help-hero-panel-side span {
      display: block;
      margin-bottom: 14px;
      font-size: 18px;
      color: #1A2552;
    }

    .help-hero-links {
      display: grid;
      gap: 12px;
    }

    .help-hero-links a,
    .help-hero-panel-side a {
      color: #2e7cdc;
      line-height: 1.6;
    }

    .help-hero-panel-side a + a {
      margin-top: 8px;
    }

    .help-topic-strip {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 22px;
    }

    .help-topic-chip {
      padding: 10px 18px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid #dfe7f5;
      color: #1A2552;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(0,0,0,0.03);
    }

    .help-overview-section {
      padding-top: 12px;
      padding-bottom: 24px;
    }

    .help-overview-head {
      margin-bottom: 22px;
    }

    .help-overview-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .help-overview-card {
      display: block;
      padding: 22px;
      background: #fff;
      border: 1px solid #e8edf7;
      border-radius: 18px;
      box-shadow: 0 6px 16px rgba(0,0,0,0.03);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .help-overview-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(32, 59, 117, 0.08);
      border-color: #cddbf5;
    }

    .help-overview-card strong,
    .help-section-head h2 {
      display: block;
      margin: 0 0 10px;
      font-size: 24px;
      line-height: 1.2;
      color: #1A2552;
    }

    .help-overview-card p,
    .help-section-head p {
      margin: 0;
      color: #4d5875;
      line-height: 1.7;
    }

    .help-faq-page-section {
      padding-top: 28px;
      padding-bottom: 28px;
    }

    .help-faq-page-section:nth-of-type(even) {
      background: #fbfcff;
    }

    .help-section-head {
      margin-bottom: 20px;
    }

    .faq-page-list {
      max-width: 960px;
      margin: 0 auto;
    }

    .faq-page-list .faq-item {
      background: #fff;
      border: 1px solid #e8edf7;
      border-radius: 18px;
      margin-bottom: 14px;
      box-shadow: 0 6px 16px rgba(0,0,0,0.02);
      overflow: hidden;
      transition: box-shadow .2s ease, border-color .2s ease;
    }

    .faq-page-list .faq-item:hover {
      border-color: #d6e1f5;
      box-shadow: 0 12px 24px rgba(32, 59, 117, 0.05);
    }

    .faq-page-list .faq-question {
      padding: 22px 24px;
      font-size: 18px;
      color: #1A2552;
    }

    .faq-page-list .faq-answer {
      padding: 0 24px;
      color: #4d5875;
      line-height: 1.75;
    }

    .faq-page-list .faq-item.active .faq-answer {
      padding: 0 24px 22px;
    }

    @media (max-width: 1100px) {
      .help-hero-panel,
      .help-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 860px) {
      .help-hero-panel,
      .help-overview-grid {
        grid-template-columns: 1fr;
      }

      .help-topic-strip {
        justify-content: flex-start;
      }

      .help-hero-panel-main,
      .help-hero-panel-side {
        padding: 20px;
      }
    }

    .policy-hero {
      padding: 48px 0 30px;
      background: linear-gradient(180deg, #f7faff 0%, rgba(247,250,255,0) 100%);
    }

    .policy-hero-inner {
      max-width: 820px;
    }

    .policy-hero-inner h1 {
      margin: 0;
      font-size: clamp(36px, 5vw, 52px);
      line-height: 1.12;
      color: #10162f;
    }

    .policy-hero-inner p {
      margin: 18px 0 0;
      font-size: 18px;
      line-height: 1.72;
      color: #5f6f8c;
    }

    .policy-meta {
      margin-top: 16px;
      font-size: 14px;
      color: #7b8aa5;
    }

    .policy-page-section {
      padding-top: 12px;
    }

    .policy-article {
      max-width: 980px;
      margin: 0 auto;
      padding: 32px;
      background: #fff;
      border: 1px solid #e8edf7;
      border-radius: 20px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.03);
    }

    .policy-article h2 {
      margin: 0 0 14px;
      font-size: 28px;
      line-height: 1.2;
      color: #10162f;
    }

    .policy-article h2:not(:first-child) {
      margin-top: 32px;
    }

    .policy-article p,
    .policy-article li {
      color: #4d5875;
      line-height: 1.8;
      font-size: 16px;
    }

    .policy-article ul {
      margin: 14px 0 0;
      padding-left: 22px;
      display: grid;
      gap: 8px;
    }

    .policy-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    @media (max-width: 860px) {
      .policy-article {
        padding: 22px;
      }
    }

    .download-steps-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .steps-grid-visual {
      gap: 24px;
    }

    .download-step-card {
      padding: 26px;
    }

    .download-step-visual-card {
      padding: 0;
      overflow: hidden;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 10px 26px rgba(29, 46, 96, 0.08);
    }

    .download-step-image {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      display: block;
      background: #f4f7ff;
    }

    .download-step-visual-card h3,
    .download-step-visual-card p {
      padding-left: 24px;
      padding-right: 24px;
    }

    .download-step-visual-card h3 {
      margin-top: 22px;
      margin-bottom: 14px;
      font-size: 28px;
      line-height: 1.2;
    }

    .download-step-visual-card p {
      padding-bottom: 28px;
      font-size: 16px;
      line-height: 1.8;
    }

    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 56px;
      height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(46, 124, 220, 0.1);
      color: #2e7cdc;
      font-weight: 800;
      margin-bottom: 18px;
    }

    @media (max-width: 1100px) {
      .hero-grid,
      .cta-card,
      .footer-grid,
      .card-grid,
      .use-grid,
      .review-grid,
      .tab-panel {
        grid-template-columns: 1fr;
      }

      .download-platform-grid,
      .platform-grid-three,
      .download-steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .highlight,
      .highlight.reverse {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .highlight.reverse .highlight-media,
      .highlight.reverse .highlight-copy {
        order: initial;
      }

      .hero-visual {
        min-height: auto;
      }

      .footer-grid { gap: 28px; }
    }

    @media (max-width: 860px) {
      .nav { display: none; }
      .actions .btn-secondary,
      .lang-dropdown { display: none; }
      .hero { padding-top: 48px; }
      .hero-visual { min-height: auto; }
      .cta-metrics {
        grid-template-columns: 1fr;
      }
      .download-hero-grid,
      .download-platform-grid,
      .platform-grid-three,
      .download-steps-grid,
      .download-strip-grid,
      .download-summary-grid {
        grid-template-columns: 1fr;
      }
      .download-platform-title h2 {
        font-size: 40px;
      }
      .title-swoosh {
        width: min(320px, 82vw);
      }
      .title-swoosh::after {
        width: 120px;
        left: 66%;
      }
      .download-summary-wrap {
        padding: 26px;
        border-radius: 24px;
      }
      .download-summary-card {
        padding: 26px;
        border-radius: 22px;
      }
      .site-header .inner { height: 72px; }
      .brand-mark { max-width: 40px; max-height: 40px; }
      .brand-wordmark { font-size: 20px; }
      .footer-brand .brand-mark { max-width: 38px; max-height: 38px; }
      .footer-brand .brand-wordmark { font-size: 18px; color: #ffffff; }
      .section { padding-bottom: 72px; }
      .cta-card { padding: 28px; }
      .download-sidecard,
      .download-platform-card,
      .download-step-card,
      .download-strip-card { padding: 24px; }
    }