:root {
      --blue: #0868f7;
      --blue-bright: #2d88ff;
      --blue-dark: #0a2144;
      --footer: #061a3a;
      --surface: #f4f8ff;
      --card: #f8fbff;
      --border: #d7e5ff;
      --ink: #0a1f42;
      --text: #52647c;
      --muted: #8090a6;
      --green: #18b66a;
      --white: #fff;
      --shadow: 0 10px 30px rgba(17, 72, 155, .08);
      --container: 1320px;
      --header: 72px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--white);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
      -webkit-font-smoothing: antialiased;
      line-height: 1.6;
    }
    button, a { font: inherit; }
    button { border: 0; }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; height: auto; }
    svg { display: block; }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .section { padding: 66px 0; }
    .section-title {
      margin: 0;
      font-size: clamp(28px, 2.35vw, 34px);
      line-height: 1.25;
      letter-spacing: -.02em;
      text-align: center;
    }
    .ornament-title { display: flex; align-items: center; justify-content: center; gap: 15px; }
    .ornament-title::before, .ornament-title::after {
      content: ""; width: 38px; height: 2px;
      background: linear-gradient(90deg, transparent, var(--blue));
    }
    .ornament-title::after { transform: scaleX(-1); }
    .ornament-title i { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
    .ornament-title i:first-child { order: -1; margin-left: -18px; }
    .ornament-title i:last-child { margin-right: -18px; }

    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    :focus-visible { outline: 3px solid rgba(8, 104, 247, .35); outline-offset: 3px; }

    .icon { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .logo-mark {
      display: grid; place-items: center; width: 42px; height: 42px; border-radius: 10px;
      color: #fff; background: linear-gradient(145deg, var(--blue-bright), #075be0);
      box-shadow: 0 6px 14px rgba(8, 104, 247, .22);
    }
    .logo-mark .icon { width: 25px; height: 25px; }

    .site-header {
      position: sticky; top: 0; z-index: 50; height: var(--header);
      background: rgba(255,255,255,.96); border-bottom: 1px solid #dde8f8;
      backdrop-filter: blur(12px);
    }
    .header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 13px; flex: 0 0 auto; font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
    .desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 42px; }
    .desktop-nav a { position: relative; padding: 24px 0; color: var(--ink); font-size: 15px; font-weight: 600; }
    .desktop-nav a::after { content: ""; position: absolute; left: 50%; bottom: 14px; width: 0; height: 2px; background: var(--blue); transition: .2s; }
    .desktop-nav a:hover::after { left: 0; width: 100%; }
    .download-btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 10px;
      min-height: 48px; padding: 0 25px; border-radius: 8px; color: #fff;
      background: linear-gradient(135deg, var(--blue), #075be0); font-weight: 700;
      box-shadow: 0 9px 20px rgba(8,104,247,.22); cursor: pointer; transition: transform .2s, box-shadow .2s;
    }
    .download-btn:hover { transform: translateY(-2px); box-shadow: 0 13px 26px rgba(8,104,247,.28); }
    .download-btn:active { transform: translateY(0); }
    .download-btn .icon { width: 20px; height: 20px; }
    .header-download { width: 174px; padding: 0 18px; }
    .menu-toggle { display: none; width: 42px; height: 42px; border-radius: 8px; color: var(--ink); background: var(--surface); cursor: pointer; }
    .menu-toggle .icon { width: 24px; height: 24px; margin: auto; }
    .mobile-nav { display: none; }

    .hero {
      min-height: 648px; overflow: hidden; position: relative;
      background: linear-gradient(100deg, #f4f8ff 0%, #f8fbff 48%, #fff 100%);
    }
    .hero::after {
      content: ""; position: absolute; right: -155px; top: 48px; width: 600px; height: 600px;
      border: 1px solid rgba(8,104,247,.12); border-radius: 50%; box-shadow: inset 0 0 80px rgba(45,136,255,.05);
    }
    .hero-inner { min-height: 648px; position: relative; z-index: 2; display: grid; grid-template-columns: 44% 56%; align-items: center; }
    .hero-copy { padding: 54px 24px 40px 0; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; padding: 7px 14px;
      color: var(--blue); background: #edf4ff; border: 1px solid #cfe0ff; border-radius: 999px;
      font-size: 15px; font-weight: 700;
    }
    .eyebrow .spark { font-size: 16px; }
    .hero h1 { margin: 0; font-size: clamp(52px, 4.2vw, 60px); line-height: 1.08; letter-spacing: -.045em; font-weight: 850; }
    .hero-benefit { margin: 18px 0 0; font-size: clamp(34px, 3vw, 43px); line-height: 1.22; font-weight: 800; letter-spacing: -.035em; }
    .hero-benefit strong { color: var(--blue); }
    .hero-description { max-width: 540px; margin: 23px 0 0; color: var(--text); font-size: 16px; line-height: 1.85; }
    .hero-trust { margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 11px 20px; list-style: none; }
    .hero-trust li { display: inline-flex; align-items: center; gap: 7px; color: var(--ink); font-size: 13px; font-weight: 600; white-space: nowrap; }
    .hero-trust .icon { width: 17px; height: 17px; color: var(--blue); }
    .hero-actions { margin-top: 28px; display: flex; align-items: center; gap: 18px; }
    .hero-actions .download-btn { min-width: 232px; min-height: 58px; font-size: 17px; }
    .secondary-btn {
      display: inline-flex; align-items: center; justify-content: center; min-width: 188px; min-height: 58px;
      border: 1px solid #8eb8ff; border-radius: 8px; color: var(--blue); background: rgba(255,255,255,.72);
      font-size: 16px; font-weight: 700; cursor: pointer; transition: .2s;
    }
    .secondary-btn:hover { border-color: var(--blue); background: #fff; }
    .version-meta { margin: 18px 0 0; color: var(--muted); font-size: 12px; letter-spacing: .01em; }

    .hero-visual { position: relative; align-self: stretch; min-width: 0; }
    .hero-window {
      position: absolute; z-index: 3; left: 3%; top: 60px; width: 88%; overflow: hidden;
      aspect-ratio: 10 / 7; margin: 0; border: 1px solid #bfd4f7; border-radius: 16px;
      background: #fff; box-shadow: 0 22px 54px rgba(28,74,145,.17);
    }
    .hero-window img { width: 100%; height: 100%; object-fit: cover; }
    .mouse-automation {
      position: absolute; z-index: 4; right: -3%; bottom: -18px; width: 48%;
      pointer-events: none;
      -webkit-mask-image: radial-gradient(ellipse 74% 76% at 73% 67%, #000 34%, rgba(0,0,0,.94) 58%, transparent 100%);
      mask-image: radial-gradient(ellipse 74% 76% at 73% 67%, #000 34%, rgba(0,0,0,.94) 58%, transparent 100%);
    }
    .hero-arc { position: absolute; z-index: 1; border: 1px solid rgba(8,104,247,.15); border-radius: 50%; }
    .arc-one { width: 520px; height: 220px; right: -20px; top: 160px; transform: rotate(12deg); }
    .arc-two { width: 590px; height: 260px; right: -75px; top: 240px; transform: rotate(8deg); }
    .hero-node { position: absolute; z-index: 2; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 8px rgba(8,104,247,.08); }
    .node-one { right: 6%; top: 170px; } .node-two { right: 35%; bottom: 74px; }

    .features { position: relative; z-index: 4; margin-top: -1px; padding: 62px 0 70px; background: #fff; border-radius: 24px 24px 0 0; }
    .feature-grid { margin-top: 38px; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; }
    .feature-card {
      min-height: 210px; padding: 27px 18px 23px; text-align: center; border: 1px solid var(--border);
      border-radius: 12px; background: linear-gradient(180deg, #fff, var(--card)); box-shadow: var(--shadow);
      transition: transform .22s, border-color .22s, box-shadow .22s;
    }
    .feature-card:hover { transform: translateY(-4px); border-color: var(--blue); box-shadow: 0 16px 34px rgba(17,72,155,.12); }
    .feature-icon { width: 58px; height: 58px; margin: 0 auto 17px; color: var(--blue); }
    .feature-card h3 { margin: 0; font-size: 18px; line-height: 1.35; }
    .feature-card p { margin: 11px 0 0; color: var(--text); font-size: 13px; line-height: 1.65; }

    .scenarios { padding: 10px 0 72px; background: #fff; }
    .scene-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
    .scene-card {
      position: relative; min-height: 272px; overflow: hidden; border: 1px solid var(--border); border-radius: 14px;
      background: #f4f8ff; box-shadow: var(--shadow);
    }
    .scene-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(247,250,255,.99) 0%, rgba(247,250,255,.96) 38%, rgba(247,250,255,.15) 72%, transparent 100%); }
    .scene-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
    .scene-content { position: relative; z-index: 2; width: 47%; padding: 33px 0 26px 34px; }
    .scene-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 17px; color: var(--blue); }
    .scene-heading .icon { width: 27px; height: 27px; }
    .scene-heading h3 { margin: 0; font-size: 22px; }
    .scene-list { margin: 0; padding: 0; display: grid; gap: 10px; list-style: none; }
    .scene-list li { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 600; }
    .scene-list li::before { content: "✓"; color: var(--blue); font-size: 15px; font-weight: 900; }

    .conversion { position: relative; overflow: hidden; color: #fff; background: linear-gradient(105deg, #0868f7, #276ce9 62%, #8fafff); }
    .conversion::before { content: ""; position: absolute; right: 21%; top: -105px; width: 330px; height: 330px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
    .conversion-inner { min-height: 155px; position: relative; display: flex; align-items: center; gap: 30px; }
    .conversion-download-icon { width: 76px; height: 76px; flex: 0 0 auto; color: #fff; }
    .conversion-copy { flex: 1; }
    .conversion h2 { margin: 0; font-size: clamp(27px, 2.4vw, 34px); line-height: 1.25; }
    .conversion p { margin: 7px 0 0; color: rgba(255,255,255,.86); font-size: 15px; }
    .conversion-action { position: relative; z-index: 3; width: 260px; text-align: center; }
    .conversion-action .download-btn { width: 100%; color: var(--blue); background: #fff; box-shadow: 0 10px 24px rgba(4,39,100,.18); }
    .conversion-action small { display: block; margin-top: 8px; color: rgba(255,255,255,.88); font-size: 12px; }
    .security-shield { position: absolute; right: 20px; bottom: -48px; width: 172px; opacity: .42; pointer-events: none; }

    .tutorials { padding: 56px 0 60px; background: #fff; }
    .section-heading-row { display: flex; align-items: center; justify-content: center; position: relative; }
    .more-tutorials { position: absolute; right: 0; color: var(--text); font-size: 14px; font-weight: 600; }
    .more-tutorials:hover { color: var(--blue); }
    .tutorial-layout { margin-top: 36px; display: grid; grid-template-columns: 55fr 45fr; gap: 20px; align-items: stretch; }
    .tutorial-preview { position: relative; min-height: 400px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
    .tutorial-panel { display: grid; grid-template-columns: 48% 52%; height: 100%; min-height: 400px; }
    .tutorial-panel[hidden] { display: none; }
    .tutorial-shot { position: relative; min-width: 0; padding: 72px 18px 30px; display: flex; align-items: center; background: linear-gradient(145deg, #eaf2ff, #f7faff); }
    .tutorial-shot img { width: 100%; border: 1px solid #c9dcfb; border-radius: 9px; box-shadow: 0 16px 30px rgba(19,70,145,.13); }
    .tutorial-badge { position: absolute; left: 18px; top: 18px; padding: 6px 12px; border-radius: 6px; color: #fff; background: var(--blue); font-size: 13px; font-weight: 700; }
    .tutorial-copy { padding: 55px 34px 36px 28px; display: flex; flex-direction: column; justify-content: center; }
    .tutorial-copy h3 { margin: 0; font-size: 23px; line-height: 1.4; }
    .tutorial-copy .subtitle { margin: 10px 0 0; color: var(--ink); font-size: 15px; font-weight: 700; }
    .tutorial-copy p { margin: 18px 0 0; color: var(--text); font-size: 14px; line-height: 1.85; }
    .tutorial-link { margin-top: 25px; align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; color: var(--blue); background: transparent; font-size: 14px; font-weight: 700; cursor: pointer; }
    .tutorial-tabs { display: grid; gap: 12px; }
    .tutorial-tab {
      width: 100%; min-height: 128px; padding: 20px 52px 20px 20px; display: grid; grid-template-columns: 56px 1fr; gap: 18px;
      position: relative; color: var(--ink); text-align: left; border: 1px solid var(--border); border-radius: 12px; background: #fff;
      box-shadow: var(--shadow); cursor: pointer; transition: border-color .2s, background .2s, transform .2s;
    }
    .tutorial-tab:hover, .tutorial-tab[aria-selected="true"] { border-color: #8eb8ff; background: #f8fbff; }
    .tutorial-tab:hover { transform: translateX(-3px); }
    .tab-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 10px; color: var(--blue); background: #edf4ff; }
    .tab-icon .icon { width: 30px; height: 30px; }
    .tab-copy strong { display: block; font-size: 17px; line-height: 1.35; }
    .tab-copy span { display: block; margin-top: 7px; color: var(--text); font-size: 13px; line-height: 1.6; }
    .tab-arrow { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--blue); font-size: 21px; }

    .faq { padding: 60px 0 55px; background: #fff; }
    .faq-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
    .faq-column { overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: 0 8px 24px rgba(17,72,155,.06); }
    .faq-item + .faq-item { border-top: 1px solid #e7eef9; }
    .faq-question { width: 100%; min-height: 58px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--ink); background: transparent; text-align: left; font-size: 14px; font-weight: 650; cursor: pointer; }
    .faq-chevron { width: 19px; height: 19px; flex: 0 0 auto; color: var(--text); transition: transform .2s; }
    .faq-question[aria-expanded="true"] { color: var(--blue); }
    .faq-question[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
    .faq-answer { padding: 0 48px 18px 20px; color: var(--text); font-size: 13px; line-height: 1.85; }
    .faq-answer[hidden] { display: none; }

    .site-footer { color: rgba(255,255,255,.78); background: linear-gradient(120deg, #061a3a, #0a2e63); }
    .footer-grid { min-height: 216px; padding: 45px 0 35px; display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.45fr; gap: 64px; }
    .footer-brand { color: #fff; font-size: 20px; }
    .footer-brand .logo-mark { width: 38px; height: 38px; }
    .footer-brand .logo-mark .icon { width: 22px; height: 22px; }
    .footer-description { max-width: 260px; margin: 18px 0 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.8; }
    .footer-col h3 { margin: 0 0 14px; color: #fff; font-size: 15px; }
    .footer-links { margin: 0; padding: 0; display: grid; gap: 7px; list-style: none; font-size: 13px; }
    .footer-links a:hover { color: #fff; }
    .system-line, .contact-line { display: flex; align-items: flex-start; gap: 10px; margin: 9px 0; font-size: 13px; }
    .system-line .icon, .contact-line .icon { width: 19px; height: 19px; margin-top: 2px; color: #8ab7ff; flex: 0 0 auto; }
    .system-bits { display: inline-flex; gap: 8px; margin-top: 5px; padding: 3px 8px; border: 1px solid rgba(255,255,255,.16); border-radius: 5px; color: rgba(255,255,255,.62); font-size: 12px; }
    .footer-bottom { min-height: 50px; display: flex; align-items: center; justify-content: center; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.48); font-size: 12px; text-align: center; }
    .mobile-download-bar { display: none; }

    @media (max-width: 1199px) {
      .container { width: calc(100% - 64px); }
      .desktop-nav { gap: 28px; }
      .hero-inner { grid-template-columns: 48% 52%; }
      .hero h1 { font-size: 49px; }
      .hero-benefit { font-size: 35px; }
      .hero-window { left: 1%; width: 98%; top: 78px; }
      .mouse-automation { right: -12%; width: 54%; }
      .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .feature-card { min-height: 190px; }
      .footer-grid { gap: 34px; }
    }

    @media (max-width: 899px) {
      :root { --header: 68px; }
      .container { width: calc(100% - 40px); }
      .desktop-nav, .header-download { display: none; }
      .menu-toggle { display: block; }
      .mobile-nav {
        position: fixed; z-index: 49; left: 20px; right: 20px; top: 76px; padding: 10px;
        border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: 0 18px 45px rgba(8,34,78,.16);
      }
      .mobile-nav.is-open { display: grid; }
      .mobile-nav a { padding: 12px 14px; border-radius: 7px; color: var(--ink); font-size: 15px; font-weight: 650; }
      .mobile-nav a:hover { background: var(--surface); color: var(--blue); }
      .hero { min-height: auto; }
      .hero-inner { min-height: auto; grid-template-columns: 1fr; }
      .hero-copy { padding: 64px 0 32px; text-align: center; }
      .hero-description { margin-inline: auto; }
      .hero-trust, .hero-actions { justify-content: center; }
      .hero-visual { min-height: 520px; }
      .hero-window { left: 5%; top: 28px; width: 90%; }
      .mouse-automation { right: -2%; bottom: -28px; width: 43%; }
      .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .scene-grid { grid-template-columns: 1fr; }
      .scene-card { min-height: 290px; }
      .conversion-inner { min-height: 200px; flex-wrap: wrap; padding: 30px 0; }
      .conversion-copy { flex: 1 1 calc(100% - 120px); }
      .conversion-action { margin-left: 106px; }
      .security-shield { width: 150px; }
      .tutorial-layout { grid-template-columns: 1fr; }
      .tutorial-tabs { grid-template-columns: 1fr; }
      .tutorial-tab { min-height: 112px; }
      .faq-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    }

    @media (max-width: 599px) {
      html { scroll-padding-top: 78px; }
      body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
      .container { width: calc(100% - 28px); }
      .brand { font-size: 19px; gap: 10px; }
      .logo-mark { width: 38px; height: 38px; }
      .section { padding: 52px 0; }
      .hero-copy { padding-top: 48px; }
      .eyebrow { font-size: 13px; }
      .hero h1 { font-size: 39px; }
      .hero-benefit { margin-top: 13px; font-size: 29px; }
      .hero-description { font-size: 14px; line-height: 1.75; }
      .hero-trust { display: grid; grid-template-columns: repeat(2, auto); justify-content: center; gap: 10px 14px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; gap: 12px; }
      .hero-actions .download-btn, .secondary-btn { width: 100%; min-height: 52px; }
      .version-meta { line-height: 1.8; }
      .hero-visual { min-height: 365px; }
      .hero-window { left: 0; width: 100%; top: 24px; }
      .mouse-automation { right: -8%; bottom: -12px; width: 49%; }
      .features { padding: 50px 0 58px; }
      .section-title { font-size: 27px; }
      .ornament-title::before, .ornament-title::after, .ornament-title i { display: none; }
      .feature-grid { margin-top: 28px; gap: 12px; }
      .feature-card { min-height: 205px; padding: 23px 12px 18px; }
      .feature-icon { width: 48px; height: 48px; }
      .feature-card h3 { font-size: 16px; }
      .feature-card p { font-size: 12px; }
      .scenarios { padding-bottom: 54px; }
      .scene-grid { margin-top: 28px; gap: 14px; }
      .scene-card { min-height: 260px; }
      .scene-card::after { background: linear-gradient(90deg, rgba(247,250,255,.98), rgba(247,250,255,.9) 52%, rgba(247,250,255,.12)); }
      .scene-content { width: 59%; padding: 27px 0 22px 22px; }
      .scene-heading h3 { font-size: 20px; }
      .scene-list li { font-size: 13px; }
      .conversion-inner { min-height: 300px; display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding: 32px 0; }
      .conversion-download-icon { width: 54px; height: 54px; }
      .conversion h2 { font-size: 25px; }
      .conversion p { font-size: 13px; }
      .conversion-action { grid-column: 1 / -1; width: 100%; margin: 6px 0 0; }
      .security-shield { width: 110px; right: -16px; bottom: -24px; }
      .tutorials { padding: 52px 0 56px; }
      .section-heading-row { justify-content: flex-start; }
      .more-tutorials { font-size: 12px; }
      .tutorial-panel { grid-template-columns: 1fr; }
      .tutorial-preview, .tutorial-panel { min-height: 0; }
      .tutorial-shot { min-height: 245px; padding: 62px 16px 20px; }
      .tutorial-copy { padding: 25px 22px 30px; }
      .tutorial-copy h3 { font-size: 21px; }
      .tutorial-tab { grid-template-columns: 48px 1fr; gap: 13px; padding: 16px 42px 16px 15px; }
      .tab-icon { width: 48px; height: 48px; }
      .tab-copy strong { font-size: 15px; }
      .tab-copy span { font-size: 12px; }
      .faq { padding-bottom: 54px; }
      .faq-question { padding-inline: 15px; font-size: 13px; }
      .faq-answer { padding: 0 40px 16px 15px; font-size: 12px; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; padding: 40px 0 32px; }
      .footer-description { max-width: none; }
      .footer-bottom { min-height: 68px; padding: 14px 0; line-height: 1.7; }
      .mobile-download-bar {
        position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px;
        min-height: 72px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97);
        border-top: 1px solid var(--border); box-shadow: 0 -8px 24px rgba(7,39,88,.1); backdrop-filter: blur(12px);
      }
      .mobile-download-brand { display: flex; align-items: center; gap: 9px; min-width: 0; font-size: 14px; font-weight: 800; }
      .mobile-download-brand .logo-mark { width: 34px; height: 34px; flex: 0 0 auto; }
      .mobile-download-bar .download-btn { min-height: 44px; padding: 0 15px; font-size: 13px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
    }