:root {
  --blue: #06a7ff;
  --blue-dark: #0086d1;
  --blue-soft: #e8f6ff;
  --ink: #1f2329;
  --muted: #6b7280;
  --line: #e6eef5;
  --bg: #f4f8fb;
  --ok: #12b76a;
  --warn: #f79009;
  --bad: #f04438;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--blue); text-decoration: none; }
.top {
  background: linear-gradient(90deg, #06a7ff, #3ec2ff);
  color: #fff;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top b { font-size: 18px; letter-spacing: .5px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 24px; }
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 28px rgba(6, 167, 255, .08);
  padding: 28px;
}
h1 { margin: 0 0 8px; font-size: 28px; }
.sub { color: var(--muted); margin-bottom: 22px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); }
button, .btn {
  border: 0;
  background: var(--blue);
  color: #fff;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 15px;
  cursor: pointer;
}
button.ghost, .btn.ghost { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
button.warn { background: var(--warn); }
button.bad { background: var(--bad); }
button:disabled { opacity: .55; cursor: not-allowed; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; }
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border-radius: 12px; padding: 14px; border: 1px solid var(--line); }
.stat em { display: block; color: var(--muted); font-style: normal; font-size: 12px; }
.stat strong { font-size: 22px; color: var(--blue-dark); }
.tabs { display: flex; gap: 8px; margin: 8px 0 16px; }
.tabs button { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.tabs button.on { background: var(--blue); color: #fff; border-color: var(--blue); }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; font-size: 13px; }
th { background: var(--blue-soft); color: var(--blue-dark); }
.tools { display: flex; gap: 8px; align-items: end; margin: 12px 0; flex-wrap: wrap; }
.tools input, .tools select { width: auto; min-width: 140px; }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 12px; }
.mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.mask.show { display: flex; }
.dialog { width: min(480px, 100%); }
.note { background: var(--blue-soft); color: var(--blue-dark); border-radius: 10px; padding: 10px 12px; margin: 10px 0; }
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.mark { width: 64px; height: 64px; border-radius: 18px; background: var(--blue); color: #fff; display: grid; place-items: center; font-weight: 700; margin-bottom: 12px; }
.err { color: var(--bad); min-height: 22px; }
.okc { color: var(--ok); }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }