:root{--accent:#2864C5;--dark:#142E50;--paper:#F5F7FB;--ink:#1B304D;
--muted:#5E6E85;--line:#D9E1ED;--surface:#fff}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
a{color:var(--accent);text-decoration:none}
.top{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
padding:12px 28px;background:var(--dark);color:#EAF1FB}
.brand{font-weight:600;letter-spacing:.02em}
.top nav{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.top nav a{color:#D7E5FA}
.top nav form.inline{display:inline}
button.link{background:none;border:0;color:#D7E5FA;cursor:pointer;font:inherit;padding:0}
.wrap{max-width:1080px;margin:28px auto;padding:0 20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;
padding:20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(20,46,80,.04)}
.stat span{display:block;color:var(--muted);font-size:13px}
.stat strong{font-size:28px;color:var(--dark)}
h1{font-size:24px;margin:0 0 8px}
h2{font-size:18px;margin:0 0 12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--muted);font-weight:600}
td.num{text-align:right;font-variant-numeric:tabular-nums}
meter{width:100%;height:10px}
label{display:block;margin:12px 0;font-weight:500}
input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
font:inherit;margin-top:6px;background:#fff}
button.primary{margin-top:8px;padding:10px 18px;border:0;border-radius:8px;
background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}
.login{max-width:420px;margin:60px auto}
.error{color:#B42318;background:#FEF3F2;border:1px solid #FECDCA;
padding:8px 10px;border-radius:8px}
.notice{color:#175CD3;background:#EFF8FF;border:1px solid #B2DDFF;
padding:8px 10px;border-radius:8px}
.hint{color:var(--muted);font-size:13px}
.foot{color:var(--muted);font-size:12px;text-align:center;padding:20px}
dl{display:grid;grid-template-columns:220px 1fr;gap:6px 16px;margin:0}
dt{color:var(--muted)}dd{margin:0}
@media(max-width:640px){.wrap{margin:18px auto}.cards{grid-template-columns:1fr 1fr}
dl{grid-template-columns:1fr}.top{padding:10px 16px}}