:root{--ink:#17202a;--muted:#73808c;--paper:#f4f6f3;--card:#fff;--red:#e9483f;--line:#e8ebe6;--green:#16866b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}.topbar{height:72px;padding:0 max(24px,calc((100% - 1240px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9}.brand{font-size:21px;font-weight:800;color:var(--ink);text-decoration:none}.brand span{display:inline-grid;place-items:center;width:34px;height:34px;margin-right:9px;border-radius:10px;background:var(--red);color:#fff}.topbar nav{display:flex;gap:25px}.topbar nav a{color:#53606b;text-decoration:none;font-size:14px}.topbar nav a:hover{color:var(--red)}main{max-width:1240px;margin:auto;padding:0 24px 70px}.hero{padding:65px 4px 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a{color:var(--muted)}@media(max-width:800px){.topbar{padding:0 18px}.topbar nav a:nth-child(n+3){display:none}main{padding:0 14px 45px}.hero{padding:40px 2px 30px}.hero h1{font-size:31px}.pulse{display:none}.grid{grid-template-columns:1fr}.board ol{padding-left:17px;padding-right:17px}.ranklist article{grid-template-columns:38px 1fr}.ranklist em{display:none}.detail{margin:25px 0;padding:30px 23px}.detail h1{font-size:28px}.detail dl{grid-template-columns:1fr}.detail dl div{border-bottom:1px solid var(--line)}footer{margin:0 18px}.topbar nav{gap:14px}}