:root {
  --bg: #f7fbf5;
  --bg-2: #edf7ea;
  --surface: #ffffff;
  --text: #18211c;
  --muted: #61706a;
  --border: #dce7de;
  --accent: #1cbc74;
  --accent-2: #0f5d3f;
  --accent-soft: #e3faed;
  --header-bg: #ffffff;
  --header-text: #19221c;
  --footer-bg: #10241a;
  --footer-text: #ffffff;
  --container: 1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,summary{font:inherit}
.container{width:min(100% - 32px,var(--container));margin:0 auto}
.skip-link{position:absolute;left:-999px;top:8px;z-index:2000;padding:10px 14px;background:#fff;color:#111;border-radius:10px}
.skip-link:focus{left:16px}
.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}
.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);color:var(--header-text);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.header-inner{min-height:78px;display:flex;align-items:center;gap:18px}
.brand-logo{width:138px;height:auto}
.site-nav{display:flex;align-items:center;justify-content:center;gap:18px;font-size:14px;flex:1}
.site-nav a{opacity:.88}.site-nav a:hover,.site-nav a:focus-visible{opacity:1}
.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:14px;border:1px solid transparent;font-weight:700;white-space:nowrap}
.header-cta,.btn-primary{background:var(--accent);color:#09311f}
.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}
.header-subtitle{font-size:14px;opacity:.78;padding:8px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:transparent;color:inherit;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{width:18px;height:2px;background:currentColor;border-radius:99px}
.hero{padding:72px 0 44px;background:linear-gradient(180deg,var(--bg-2),var(--bg));overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.95fr);gap:22px;align-items:center}
.hero-copy h1{margin:0;line-height:1.04;font-size:clamp(34px,5vw,60px);letter-spacing:-.04em;max-width:11ch}
.hero-center .hero-copy{max-width:980px}
.lead{margin:16px 0 0;color:var(--muted);font-size:clamp(16px,1.35vw,18px);max-width:68ch}
.hero-actions,.cta-actions,.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.chip{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;background:var(--surface);border:1px solid var(--border);color:var(--muted);font-size:13px}
.hero-visual,.phone-showcase,.apk-card,.apple-download,.desktop-window,.version-hero,.register-visual,.official-visual,.safe-visual,.hub-visual{background:var(--surface);border:1px solid var(--border);border-radius:24px;box-shadow:0 18px 40px rgba(0,0,0,.08)}
.hero-visual,.phone-showcase,.apk-card,.apple-download,.desktop-window,.version-hero,.register-visual,.official-visual,.safe-visual,.hub-visual{padding:18px}
.hero-visual img,.phone-showcase img,.apple-download img,.official-visual img,.safe-visual img,.hub-visual img{border-radius:18px}
.eyebrow{margin:0 0 12px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:700}
.section{padding:28px 0 8px}
.section-soft{background:linear-gradient(180deg,rgba(255,255,255,.32),transparent)}
.section-muted{background:var(--bg-2)}
.section-head{display:grid;gap:8px;margin-bottom:18px}
.section-head h2{margin:0;font-size:clamp(24px,2.8vw,38px);line-height:1.12;letter-spacing:-.03em}
.section-head p{margin:0;color:var(--muted)}
.section-head.left{max-width:860px}
.selector-grid,.matrix-grid,.support-grid,.install-grid,.preview-grid,.compare-wrap,.cta-band,.funnel-grid,.trust-grid,.verify-grid,.route-grid,.hub-map,.mini-faq{display:grid;gap:14px}
.selector-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.selector-card,.matrix-item,.support-panel,.support-aside,.mini-panel,.apple-note,.apple-chip,.compat-table,.apk-note,.compare-table,.status-card,.funnel-card,.route-card,.map-card,.mini-faq-item,.trust-meter,.trust-note,.verify-board,.verify-note{background:var(--surface);border:1px solid var(--border);border-radius:18px}
.selector-card{padding:18px;display:grid;gap:6px}
.selector-card strong{font-size:18px}
.selector-card span{color:var(--muted);font-size:14px}
.timeline-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.timeline-list li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;padding:14px 16px;border:1px solid var(--border);border-radius:16px;background:var(--surface)}
.timeline-index{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#0b2f1d;font-weight:700}
.timeline-list h3{margin:0 0 6px;font-size:18px}
.timeline-list p,.mini-panel p,.support-aside p,.support-panel p,.route-card p,.mini-faq-item p,.verify-note p,.trust-note p,.funnel-card p{margin:0;color:var(--muted)}
.flow-wrap,.support-grid,.install-grid,.preview-grid,.compat-wrap,.ios-flow,.compare-wrap{display:grid;gap:16px}
.flow-wrap,.support-grid,.compat-wrap,.ios-flow,.compare-wrap{grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);align-items:start}
.support-panel,.mini-panel,.support-aside,.apk-note,.apple-note,.version-note,.verify-note,.trust-note{padding:20px}
.matrix-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.matrix-item{padding:18px}
.matrix-item strong{display:block;margin-bottom:6px}
.matrix-item p{margin:0;color:var(--muted)}
.phone-frame{padding:14px;border-radius:34px;background:linear-gradient(180deg,#10161d,#1f2730);box-shadow:0 18px 40px rgba(0,0,0,.16)}
.phone-screen{border-radius:22px;overflow:hidden;background:#fff;min-height:420px}
.phone-screen img{width:100%;height:100%;object-fit:cover}
.switch-board,.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.switch-chip,.apple-chip{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-weight:700}
.switch-chip.active{background:var(--accent-soft);color:var(--accent-2);border-color:transparent}
.switch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.switch-card{padding:18px;border-radius:18px;background:var(--surface);border:1px solid var(--border)}
.switch-card p{margin:0;color:var(--muted)}
.ios-screen{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.ios-screen img{border-radius:18px;border:1px solid var(--border)}
.desktop-window,.version-hero,.register-visual,.official-visual,.safe-visual,.hub-visual{display:grid;gap:12px}
.window-bar{display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.window-dot{width:10px;height:10px;border-radius:50%}.window-dot.red{background:#ff6b6b}.window-dot.yellow{background:#f1c146}.window-dot.green{background:#19c37d}
.window-title{margin:0 0 8px;font-size:20px}
.window-lines{display:grid;gap:10px}.window-line{height:12px;border-radius:999px;background:linear-gradient(90deg,var(--bg-2),rgba(0,0,0,.03))}
.window-line.short{width:72%}.window-line.mid{width:88%}.window-line.long{width:100%}
.table-row{display:grid;grid-template-columns:.55fr 1fr;padding:14px 16px;border-top:1px solid var(--border)}
.table-row.head{background:var(--accent-soft);font-weight:700;border-top:0}
.cta-band{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:22px;border-radius:22px;background:var(--surface);border:1px solid var(--border)}
.cta-actions{justify-content:flex-end}
.footer-cta{margin-top:12px}
.site-footer{margin-top:28px;padding:28px 0 36px;color:var(--footer-text);background:var(--footer-bg);border-top:1px solid rgba(255,255,255,.08)}
.footer-inner{display:grid;gap:18px;align-items:start}
.footer-logo{width:132px;height:auto;margin-bottom:12px}
.footer-brand p{margin:0;color:rgba(255,255,255,.78);max-width:38ch}
.footer-col h2{margin:0 0 12px;font-size:15px}
.footer-col a{display:block;margin-bottom:10px;color:rgba(255,255,255,.82)}
.faq-light details,.faq-dark details,.faq-grid details,.faq-split details,.faq-steps details,.faq-links details{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:0 16px}
.faq-light details summary,.faq-dark details summary,.faq-grid details summary,.faq-split details summary,.faq-steps details summary,.faq-links details summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none}
.faq-light details p,.faq-dark details p,.faq-grid details p,.faq-split details p,.faq-steps details p,.faq-links details p{margin:0 0 16px;color:var(--muted)}
.faq-list{display:grid;gap:14px}
.faq-grid .faq-list,.faq-split .faq-list,.faq-links .faq-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.faq-links .faq-list{grid-template-columns:repeat(3,minmax(0,1fr))}

      .page-47 .hero-grid{grid-template-columns:minmax(0,1fr) minmax(320px,.92fr)}
      .page-47 .funnel-stage{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
      .page-47 .funnel-stage span{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--border);font-weight:700}
      .page-47 .funnel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
      .page-47 .funnel-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--border)}
      .page-47 .cta-band.register{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border)}
      .page-47 .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
      @media (max-width: 900px){.page-47 .funnel-grid,.page-47 .cta-band.register{grid-template-columns:1fr}.page-47 .cta-actions{justify-content:flex-start}}
    
@media (max-width: 1080px){
  .site-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:14px;background:var(--header-bg);border:1px solid rgba(255,255,255,.12);border-radius:16px;flex-wrap:wrap;justify-content:flex-start;gap:14px;box-shadow:0 18px 40px rgba(0,0,0,.12)}
  .site-nav.is-open{display:flex}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .header-cta{display:none}
  .selector-grid,.matrix-grid,.switch-grid,.faq-grid .faq-list,.faq-split .faq-list,.faq-links .faq-list,.hub-map,.route-grid,.mini-faq,.flow-wrap,.support-grid,.install-grid,.preview-grid,.compat-wrap,.ios-flow,.compare-wrap,.trust-grid,.verify-grid,.cta-band{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .container{width:min(100% - 24px,var(--container))}
  .hero{padding:42px 0 28px}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy h1{max-width:100%;font-size:clamp(30px,10vw,42px)}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .timeline-list li{grid-template-columns:1fr}
  .ios-screen{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width: 420px){
  .brand-logo,.footer-logo{width:118px}
  .hero-copy h1{font-size:clamp(28px,11vw,38px)}
}
.hero-copy h1,.section-head h2,.route-card h3,.funnel-card h3,.timeline-list h3{max-width:100%;word-break:keep-all;overflow-wrap:break-word}
.page-47 .hero-grid{grid-template-columns:1fr;gap:18px;align-items:start}
.page-47 .hero-copy{max-width:920px}
.page-47 .hero-copy h1{max-width:16ch;font-size:clamp(32px,4.5vw,54px);line-height:1.1}
.page-47 .register-visual{max-width:760px}