:root { --fg:#1f2329; --muted:#646a73; --line:#e5e6eb; --brand:#2b5cff; --bg:#f6f7f9; }
* { box-sizing: border-box; }
body { margin:0; font:15px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif; color:var(--fg); background:var(--bg); }
a { color:var(--brand); text-decoration:none; }
header { background:#fff; border-bottom:1px solid var(--line); padding:10px 16px; display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
header .brand { font-weight:600; }
header nav a { margin-right:12px; }
header .right { margin-left:auto; color:var(--muted); font-size:13px; }
main { max-width:1200px; margin:18px auto; padding:0 14px; }
.card { background:#fff; border:1px solid var(--line); border-radius:10px; padding:16px; margin-bottom:16px; }
h1 { font-size:20px; margin:0 0 12px; }
h2 { font-size:16px; margin:18px 0 8px; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th,td { border-bottom:1px solid var(--line); padding:8px 10px; text-align:left; vertical-align:top; }
th { background:#fafbfc; font-weight:600; color:var(--muted); white-space:nowrap; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:12px; }
.stat { background:#fff; border:1px solid var(--line); border-radius:10px; padding:14px; }
.stat b { display:block; font-size:26px; }
.stat span { color:var(--muted); font-size:13px; }
label { display:block; margin:8px 0 4px; font-size:13px; color:var(--muted); }
input,select,textarea { width:100%; padding:8px 10px; border:1px solid var(--line); border-radius:8px; font:inherit; background:#fff; }
button { padding:9px 16px; border:0; border-radius:8px; background:var(--brand); color:#fff; font:inherit; cursor:pointer; }
button.ghost { background:#fff; color:var(--fg); border:1px solid var(--line); }
.msg-ok { background:#e8f6ee; border:1px solid #b7e1c6; color:#186b3a; padding:8px 12px; border-radius:8px; margin-bottom:12px; }
.msg-err { background:#fdecec; border:1px solid #f5c2c2; color:#a01c1c; padding:8px 12px; border-radius:8px; margin-bottom:12px; }
.row2 { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.row3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
code { background:#f2f3f5; padding:1px 5px; border-radius:4px; font-size:13px; }
.hint { color:var(--muted); font-size:12px; }
.tag { display:inline-block; padding:1px 8px; border-radius:20px; background:#eef1f6; font-size:12px; color:var(--muted); }