body { margin:0; font-family:"Microsoft YaHei",sans-serif; background:#f3f4f6; color:#111; }
a { color:#1d4ed8; }
.top { background:#111827; color:#fff; display:flex; justify-content:space-between; align-items:center; padding:12px 18px; }
.top a { color:#93c5fd; margin-left:12px; text-decoration:none; }
.wrap { max-width:980px; margin:18px auto; padding:0 12px 40px; }
.card { background:#fff; border-radius:12px; padding:16px; margin-bottom:14px; box-shadow:0 2px 10px rgba(0,0,0,.04); }
h1,h2 { margin:0 0 12px; font-size:18px; }
label { display:block; margin:8px 0; font-size:13px; color:#374151; }
input[type=text], input[type=password], input[type=url], textarea, select {
  width:100%; margin-top:4px; padding:8px; border:1px solid #d1d5db; border-radius:8px; font:inherit;
}
textarea { min-height:90px; }
button, .btn { background:#2563eb; color:#fff; border:0; border-radius:8px; padding:8px 14px; cursor:pointer; text-decoration:none; display:inline-block; }
.btn.gray { background:#6b7280; }
.btn.red { background:#dc2626; }
.row { display:flex; gap:8px; flex-wrap:wrap; align-items:flex-end; }
.row > * { flex:1; }
table { width:100%; border-collapse:collapse; font-size:13px; }
th,td { border-bottom:1px solid #eee; padding:8px 6px; text-align:left; vertical-align:top; }
.err { color:#b91c1c; }
.hint { color:#6b7280; font-size:12px; }
.login-body { min-height:100vh; display:flex; align-items:center; justify-content:center; }
.login-body .card { width:min(420px,92vw); }
.ok { background:#ecfdf5; color:#065f46; padding:8px 10px; border-radius:8px; }
input, textarea, select { box-sizing:border-box; background:#fff; color:#111; }
input[type=file] { display:block; width:100%; margin-top:6px; }