:root{color-scheme:light;--blue:#1687f8;--ink:#1d1d1f;--muted:#6e6e73;--surface:#f5f5f7}*{box-sizing:border-box}body{margin:0;background:linear-gradient(160deg,#fff 0,#f5f8ff 52%,#f5f5f7 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}main{width:min(100%,540px);min-height:100svh;margin:auto;padding:64px 22px calc(42px + env(safe-area-inset-bottom));text-align:center}.app-icon{display:block;width:132px;height:132px;margin:0 auto 24px;border-radius:30px;box-shadow:0 14px 38px rgba(23,53,112,.2)}.eyebrow{color:var(--blue);font-size:14px;font-weight:700}h1{font-size:38px;margin:7px 0}.intro{color:var(--muted);margin:0 0 28px}.install-button{display:block;padding:15px 22px;border-radius:14px;background:var(--blue);color:#fff;font-size:18px;font-weight:700;text-decoration:none;box-shadow:0 10px 25px rgba(22,135,248,.25)}section{margin-top:32px;padding:24px;text-align:left;background:rgba(255,255,255,.9);border-radius:22px;box-shadow:0 8px 30px rgba(20,40,80,.08)}h2{margin:0 0 12px;font-size:22px}ol{list-style:none;padding:0;margin:0}li{display:flex;gap:13px;align-items:flex-start;padding:14px 0}li+li{border-top:1px solid #e5e5e7}li span{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:#eaf4ff;color:var(--blue);font-weight:800}li p{margin:3px 0;color:var(--muted);line-height:1.55}.tip{padding:14px;border-radius:12px;background:#fff4dd;color:#875700;line-height:1.5}@media(max-width:420px){main{padding-top:44px}.app-icon{width:112px;height:112px;border-radius:25px}h1{font-size:32px}}