:root{color-scheme:light;--ink:#173e35;--muted:#687b74;--green:#176d59;--line:#e1e9e3;--bg:#f4f6f0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);line-height:1.6}.wrap{max-width:1136px;margin:auto;padding:36px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-size:23px;font-weight:750}.brand small{display:block;font-size:11px;letter-spacing:1px;color:var(--muted);font-weight:500}.mark{width:49px;height:49px;flex-shrink:0}.badge{display:flex;align-items:center;gap:8px;border:1px solid #d4e3d6;background:#eef4e9;border-radius:30px;font-size:12px;padding:7px 13px;white-space:nowrap}.dot{width:6px;height:6px;border-radius:50%;background:#64946b}main{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;align-items:center;margin:92px 0 74px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:3px;color:var(--green);margin-bottom:24px}h1{font-size:43px;letter-spacing:-1px;font-weight:730;line-height:1.5;margin:0 0 20px}.lead{color:var(--muted);font-size:15px;line-height:1.95;max-width:420px;margin-bottom:35px}.features{display:grid;grid-template-columns:1fr 1fr;gap:24px}.features strong{display:block;font-size:14px;margin:10px 0 5px}.features p{font-size:12px;color:var(--muted);margin:0}.feature-icon{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid #d9e4d9;border-radius:11px;background:#edf2e8;font-size:21px}.download-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:35px 32px;box-shadow:0 15px 48px #294e3510}.platform{font-size:10px;font-weight:750;letter-spacing:2px;color:#8b9b93}h2{font-size:25px;margin:14px 0 8px;line-height:1.5}.sub{font-size:13px;color:var(--muted);margin:0 0 24px}.button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:49px;border-radius:12px;text-decoration:none;font-weight:650;font-size:14px;padding:11px 16px}.google{border:1px solid #cbd8cf;background:#fff;color:var(--ink)}.google:hover{background:#f8faf6}.primary{background:var(--green);color:white;margin-top:13px;justify-content:space-between}.primary:hover{background:#105b49}.hint,.install-note{color:var(--muted);font-size:11px;line-height:1.9;margin:13px 0 0}.message{color:var(--muted);font-size:12px;margin:0 0 18px}.message:empty{display:none}.message.error{padding:12px;background:#fff4e5;border-radius:10px;color:#83541a}.account{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:13px;margin:0 0 24px}.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#edf4e9;color:var(--green);flex-shrink:0}.account>div{flex:1;min-width:0}.account small{font-size:10px;color:var(--muted);display:block}.account strong{font-size:12px;display:block;overflow-wrap:anywhere}.text-button{border:none;background:none;font:inherit;color:var(--muted);font-size:11px;cursor:pointer;white-space:nowrap;padding:6px}.version{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.version strong{font-size:13px}.version span{font-size:11px;color:var(--muted)}.notes{margin-top:22px;padding-top:17px;border-top:1px solid var(--line)}h3{font-size:11px;color:var(--muted);font-weight:650;margin:0 0 7px}.notes p{font-size:12px;margin:0;white-space:pre-line;overflow-wrap:anywhere;line-height:1.8}footer{display:flex;justify-content:space-between;gap:20px;color:#85968c;font-size:10px;border-top:1px solid var(--line);padding-top:19px}[hidden]{display:none!important}:focus-visible{outline:3px solid #d6ad4c;outline-offset:4px}@media(max-width:850px){main{gap:35px;margin:60px 0}h1{font-size:34px}.download-card{padding:27px 24px}}@media(max-width:620px){.wrap{padding:24px 20px}main{grid-template-columns:1fr;gap:35px;margin:44px 0 35px}h1{font-size:31px}.lead{font-size:14px;margin-bottom:23px}.features{gap:20px}.download-card{border-radius:20px;padding:27px 22px}.eyebrow{margin-bottom:15px}.badge{font-size:10px;padding:6px 9px}.brand{font-size:20px;gap:9px}.mark{width:42px;height:42px}footer{flex-direction:column;gap:6px}.account{padding:11px}}@media(prefers-reduced-motion:no-preference){.button{transition:background .15s}}