:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#152b4d;--muted:#53647c;--blue:#2853f5;--line:#dfe5ef}*{box-sizing:border-box}body{color:var(--ink);background:#fafbfd;margin:0;font:18px/1.85 system-ui,-apple-system,Microsoft YaHei,sans-serif}a{color:inherit;text-underline-offset:5px}header,main,footer{max-width:1200px;margin:auto;padding:28px 40px}header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;display:flex}.brand{font-size:24px;font-weight:750;text-decoration:none}.brand small{letter-spacing:2px;font-size:10px;display:block}nav{align-items:center;gap:26px;display:flex}nav a{text-decoration:none}.button{background:var(--blue);color:#fff;border-radius:5px;padding:11px 20px;font-size:16px;text-decoration:none;display:inline-block}.intro{padding:65px 0 45px}.eyebrow{color:var(--blue);font-size:15px;font-weight:600}.intro h1{letter-spacing:-2px;margin:20px 0;font-size:clamp(36px,5vw,64px);line-height:1.3}.intro h1 span{color:var(--blue)}.intro>p:last-child{color:var(--muted);max-width:650px}.articles{grid-template-columns:1fr 1fr;gap:24px;display:grid}.articles article{border:1px solid var(--line);background:#fff;padding:32px}.articles h2{font-size:25px;line-height:1.5}.articles h2 a{text-decoration:none}.articles article>p:not(.eyebrow){color:var(--muted)}.meta{color:var(--muted);font-size:15px}.articles .meta{justify-content:space-between;gap:12px;display:flex}.pagination{justify-content:center;padding:40px}.reading{max-width:930px;padding-top:64px}.reading h1{font-size:clamp(30px,4vw,44px);line-height:1.4}.summary{border-left:3px solid var(--blue);color:var(--muted);background:#eef2ff;padding:24px}.prose{overflow-wrap:anywhere}.prose h2{margin-top:48px;font-size:27px}.prose h3{margin-top:32px;font-size:22px}.prose a{color:var(--blue)}.prose img{max-width:100%;height:auto}.prose table{border-collapse:collapse;font-size:16px;display:block;overflow:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:12px}.prose th{background:#eef2ff}.prose pre{background:#eef2ff;padding:20px;overflow:auto}.contact{border-top:1px solid var(--line);margin:60px 0 20px;padding-top:30px}footer{color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;margin-top:40px;font-size:14px;display:flex}.skip{position:absolute;top:-100px;left:20px}.skip:focus{background:#fff;padding:12px;top:10px}a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.empty{grid-column:1/-1;padding:30px 0}@media (width<=680px){header,main,footer{padding:22px}.brand{font-size:20px}nav{gap:14px;font-size:14px}header nav .button{display:none}.intro{padding:30px 0}.articles{grid-template-columns:1fr}.articles article{padding:24px}.reading{padding-top:32px}footer{display:block}.prose table{max-width:100%}}button{font:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.6}.error{color:#a12e2e;padding:30px 0}.loading{padding:40px 0}