:root{--ink:#182230;--mut:#5a6a7d;--acc:#e8590c;--bg:#f7f5f2;--card:#fff;--line:#e5e0d8}
*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header.site{background:#10161f;color:#fff;padding:14px 0}
header.site .wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;color:#fff}.logo span{color:var(--acc)}
nav a{color:#cfd8e3;margin-right:18px;font-size:15px}nav a:hover{color:#fff;text-decoration:none}
.hero{padding:64px 0 40px}
.hero h1{font-size:40px;line-height:1.25;margin:0 0 14px}
.hero p.lead{font-size:19px;color:var(--mut);max-width:640px}
.cta{display:inline-block;background:var(--acc);color:#fff;padding:12px 26px;border-radius:8px;font-weight:700;margin:10px 10px 0 0}
.cta:hover{text-decoration:none;background:#d24d05}
.cta.ghost{background:transparent;color:var(--acc);border:2px solid var(--acc)}
section{padding:28px 0}
h2{font-size:26px;margin:0 0 14px}h3{font-size:19px;margin:22px 0 8px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.card h3{margin-top:0}
table{border-collapse:collapse;width:100%;background:#fff}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:#fbf9f6}
code,pre{font-family:Consolas,"Courier New",monospace}
pre{background:#10161f;color:#d7e0ea;border-radius:10px;padding:16px;overflow-x:auto;font-size:14px;line-height:1.55}
.note{background:#fff7ed;border:1px solid #ffd8a8;border-radius:10px;padding:14px 18px}
.warn{background:#fff1f2;border:1px solid #fecdd3;border-radius:10px;padding:14px 18px}
.small{color:var(--mut);font-size:14px}
article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;margin:26px 0}
article h1{font-size:30px;line-height:1.35;margin-top:0}
footer.site{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--mut);font-size:14px;margin-top:30px}
footer.site a{color:var(--mut);margin-right:16px}
.tag{display:inline-block;background:#ffe8d6;color:#a33e02;border-radius:20px;padding:2px 12px;font-size:13px;font-weight:700;margin-bottom:10px}