:root{--ink:#132238;--line:#e8ecf0;--green:#13b978;--green-dark:#07945d;--paper:#fbfcfa}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper)}button,input{font:inherit}header{height:70px;padding:0 max(24px,calc((100vw - 1060px)/2));display:flex;align-items:center;border-bottom:1px solid #e5eae7;background:#fff}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;font-size:20px;font-weight:800}.brand span{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;color:#fff;background:var(--green);font-size:16px}header button{margin-left:auto;border:0;background:transparent;color:#66736d;cursor:pointer}.hero{padding:64px 24px 22px}form{max-width:790px;height:66px;margin:0 auto;padding:7px 7px 7px 24px;display:flex;align-items:center;gap:15px;background:#fff;border:1px solid #dce3df;border-radius:16px;box-shadow:0 14px 40px #1c483312}.magnify{width:19px;height:19px;border:2px solid #98a29d;border-radius:50%}form input{min-width:0;flex:1;border:0;outline:0;font-size:17px;background:transparent}form>button{height:50px;min-width:104px;border:0;border-radius:11px;background:var(--green);color:#fff;font-weight:700;cursor:pointer}.platforms{max-width:1060px;margin:0 auto;padding:28px 24px 76px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-head h2{font-size:18px;margin:0}.section-head>span{color:#7c8782;font-size:13px}.section-head strong{color:var(--green-dark);font-size:15px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.platform{min-height:78px;display:flex;align-items:center;gap:12px;padding:14px;text-align:left;border:1px solid var(--line);border-radius:13px;background:#fff;cursor:pointer}.platform.active{border-color:#88d9b6;background:#f5fffa}.icon{width:39px;height:39px;flex:none;display:grid;place-items:center;border-radius:10px;color:#fff;font-size:16px;font-weight:800}.copy{display:flex;flex-direction:column;gap:4px}.copy b{font-size:14px;white-space:nowrap}.copy small{color:#909994;font-size:11px;white-space:nowrap}.check{width:18px;height:18px;margin-left:auto;display:grid;place-items:center;border:1px solid #d5dcd8;border-radius:5px;color:#fff;font-size:11px}.active .check{background:var(--green);border-color:var(--green)}footer{border-top:1px solid var(--line);max-width:1060px;margin:0 auto;padding:20px 24px 28px;color:#9aa29f;font-size:11px;text-align:center}@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){header{height:62px;padding:0 16px}.hero{padding:36px 16px 14px}form{height:58px;padding-left:18px;gap:10px}form>button{height:44px;min-width:76px}.platforms{padding:22px 16px 50px}.grid{grid-template-columns:1fr}.platform{min-height:72px}footer{margin:0 16px}}