:root{--blue:#416deb;--deep:#1d2a51;--muted:#7482a0;--line:#e1e8fb}*{box-sizing:border-box}body{margin:0;background:#f7f9ff;color:var(--deep);font-family:Arial,"Microsoft YaHei",sans-serif}.top{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(8vw,28px);background:linear-gradient(100deg,#273c96,#5a63ef);color:#fff}.logo{display:flex;gap:8px;align-items:center;color:#fff;text-decoration:none}.logo i{display:grid;place-items:center;width:27px;height:27px;border-radius:7px;background:#fff;color:#416deb;font-size:9px;font-style:normal;font-weight:bold}.logo b{font-size:20px}.top>a{color:#fff;font-size:13px;text-decoration:none}.page{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:50px 20px;background:radial-gradient(circle at 80% 8%,#dcecff,transparent 23%),radial-gradient(circle at 2% 80%,#e5e2ff,transparent 22%)}.panel{width:min(570px,100%);padding:40px 46px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px #233d7e14}.badge{display:grid;place-items:center;width:48px;height:48px;margin:auto;border-radius:14px;background:#eaf1ff;color:var(--blue);font-weight:bold}.panel h1,.download-title h1{text-align:center;margin:17px 0 9px;font-size:30px;letter-spacing:-1px}.subtitle,.download-title p{text-align:center;color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 27px}.field{display:block;margin:16px 0}.field span{display:block;margin-bottom:8px;font-size:13px;font-weight:bold}.field input{width:100%;padding:13px 14px;border:1px solid #dce4f6;border-radius:7px;outline:none;font-size:14px}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #416deb15}.agreement{display:flex;gap:8px;margin:18px 0;color:var(--muted);font-size:12px;line-height:1.6}.submit,.download-card a{display:block;width:100%;padding:14px;border:0;border-radius:7px;background:linear-gradient(90deg,#4b68e8,#438fea);color:#fff;text-align:center;text-decoration:none;font-size:15px;font-weight:bold;cursor:pointer}.notice{min-height:21px;margin:15px 0 0;text-align:center;color:#e05a65;font-size:12px;line-height:1.5}.notice.ok{color:#24805e}.switch{text-align:center;margin:22px 0 0;color:var(--muted);font-size:13px}.switch a{color:var(--blue);text-decoration:none}.download-layout{width:min(1000px,100%);margin:auto}.download-title{text-align:center;margin-bottom:35px}.download-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.download-card{padding:37px;background:#fff;border:1px solid var(--line);border-radius:15px}.os{display:grid;place-items:center;width:73px;height:73px;border-radius:17px;background:#e9f1ff;color:#3c78e8;font-size:27px;font-weight:bold}.download-card h2{margin:24px 0 8px;font-size:23px}.download-card p{min-height:45px;color:var(--muted);font-size:13px;line-height:1.7}.download-card.muted{opacity:.7}.download-card.muted .os{background:#e9fff0;color:#35aa70}@media(max-width:600px){.panel{padding:32px 25px}.download-cards{grid-template-columns:1fr}.page{padding:35px 18px}.download-title h1{font-size:29px}}