:root{color-scheme:light;--navy:#0c214b;--blue:#2f69df;--ink:#183052;--muted:#71819a;--line:#e3eaf4;--paper:#fff;--bg:#f4f7fc;--green:#23ad88;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 80% -10%,#dce9ff 0,transparent 44%),var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}.shell{width:min(100% - 32px,520px);margin:0 auto;padding:env(safe-area-inset-top) 0 calc(24px + env(safe-area-inset-bottom))}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px}.brand img{width:48px;height:48px}.brand strong{display:block;color:var(--navy);font-size:20px;letter-spacing:-.7px}.brand strong span{color:#62a8ff}.brand small{display:block;margin-top:3px;color:#8191a9;font-size:9px;font-weight:800;letter-spacing:1.7px}.network{display:flex;align-items:center;gap:7px;padding:8px 10px;border:1px solid var(--line);border-radius:20px;background:#ffffffb8;color:var(--muted);font-size:11px}.network i,.eyebrow span{width:8px;height:8px;border-radius:50%;background:var(--green)}.network.offline i{background:#e39b44}.hero{position:relative;overflow:hidden;margin-top:20px;padding:30px 24px 24px;border:1px solid #e2eaf7;border-radius:25px;background:linear-gradient(145deg,#fff 5%,#f8fbff 100%);box-shadow:0 14px 36px #183a6810}.hero:after{position:absolute;content:"";width:200px;height:200px;right:-105px;top:-112px;border:1px solid #d8e6fb;border-radius:50%;box-shadow:0 0 0 22px #e7f0ff88,0 0 0 44px #eff5ff88}.eyebrow{display:flex;align-items:center;gap:8px;color:#68809d;font-size:10px;font-weight:800;letter-spacing:1.7px}.hero h1{position:relative;margin:31px 0 8px;color:var(--navy);font-size:clamp(30px,8vw,40px);line-height:1.13;letter-spacing:-1.7px}.intro{max-width:340px;margin:0;color:var(--muted);font-size:15px;line-height:1.65}.launch{display:flex;align-items:center;justify-content:space-between;margin-top:26px;padding:16px 18px;border-radius:15px;background:linear-gradient(110deg,#2760da,#478df2);box-shadow:0 9px 18px #316fdb30;color:white;text-decoration:none;font-size:16px;font-weight:750;min-height:56px}.launch:active{transform:translateY(1px)}.arrow{font-size:21px;font-weight:500}.secure-note{display:flex;gap:8px;margin:16px 1px 0;color:#73839a;font-size:11px;line-height:1.55}.secure-note span{font-size:12px}.info-card,.offline-card{display:flex;align-items:flex-start;gap:14px;margin-top:14px;padding:17px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.section-icon,.offline-mark{display:grid;place-items:center;flex:0 0 40px;width:40px;height:40px;border-radius:13px;background:#edf4ff;color:var(--blue);font-size:19px;font-weight:700}.offline-mark{background:#fff5e8;color:#d28a31}.info-card h2,.offline-card h2{margin:1px 0 5px;color:var(--navy);font-size:14px}.info-card p,.offline-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.install{display:block;width:100%;margin-top:16px;padding:14px 18px;border:0;border-radius:14px;background:var(--navy);color:white;font:inherit;font-size:14px;font-weight:700}.install[hidden]{display:none}.install-help{margin-top:16px;padding:15px 16px;border:1px solid var(--line);border-radius:16px;background:#ffffffb8;color:var(--ink);font-size:13px}.install-help summary{cursor:pointer;font-weight:700}.help-content{padding-top:8px;color:var(--muted);font-size:12px;line-height:1.6}.help-content p{margin:8px 0}.help-content b{color:var(--ink)}footer{padding:25px 4px 10px;text-align:center;color:#8c9bb0;font-size:11px}footer span{padding:0 4px}@media(min-width:600px){.shell{padding-top:14px}.hero{margin-top:28px;padding:35px 30px 28px}}