:root{--bg:#ffffff;--surface:#f4f6f9;--text:#0b1220;--muted:#5b6472;--line:#e3e7ee;--brand:#0a74af;--navy:#04234d;--badge-edge:transparent;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0b0f14;--surface:#141a22;--text:#e8edf2;--muted:#9aa4b2;--line:#232b36;--brand:#1a8fcc;--navy:#04234d;--badge-edge:rgba(255,255,255,.16)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:8px 12px;min-height:60px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:600;font-size:17px;margin-right:auto}
.brand img{width:28px;height:28px;border-radius:7px}
nav{display:flex;gap:18px;font-size:15px;flex-wrap:wrap}
nav a{color:var(--muted)}nav a[aria-current]{color:var(--text)}
main{padding:40px 0 56px}
h1{font-size:30px;line-height:1.25;margin:0 0 8px;letter-spacing:-.01em}
h2{font-size:19px;line-height:1.35;margin:34px 0 10px}
p,ul{margin:0 0 14px}ul{padding-left:22px}li{margin:4px 0}
.muted{color:var(--muted)}
.updated{color:var(--muted);font-size:14px;margin-bottom:26px}
.hero{text-align:center;padding:28px 0 8px}
.hero img{width:112px;height:112px;border-radius:25px;box-shadow:0 1px 0 var(--line)}
.hero h1{font-size:40px;margin:22px 0 10px}
.lead{font-size:19px;color:var(--muted);max-width:560px;margin:0 auto 22px}
.badge{display:inline-block;padding:10px 18px;border-radius:999px;background:var(--navy);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--badge-edge)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:44px}
.card{background:var(--surface);border-radius:16px;padding:18px 18px 16px}
.card h3{margin:0 0 4px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:15px}
.contact{background:var(--surface);border-radius:16px;padding:20px;margin:6px 0 10px}
.contact a{font-size:18px;font-weight:600}
footer{border-top:1px solid var(--line);padding:22px 0 34px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:16px;flex-wrap:wrap}footer a{color:var(--muted)}
@media (max-width:560px){.grid{grid-template-columns:1fr}.hero h1{font-size:34px}h1{font-size:26px}}