:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --primary: #185fa5;
  --primary-soft: #e6f1fb;
  --text: #1f2329;
  --muted: #6b7280;
  --border: #e5e7eb;
  --chong: #d85a30;   /* 冲 */
  --wen: #ba7517;     /* 稳 */
  --bao: #0f6e56;     /* 保 */
  --danger: #a32d2d;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
}
.header {
  background: var(--primary); color: #fff; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.header h1 { font-size: 18px; margin: 0; font-weight: 500; }
.header a { color: #fff; text-decoration: none; font-size: 13px; opacity: .9; }
.container { max-width: 1080px; margin: 20px auto; padding: 0 16px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; margin-bottom: 18px; box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.card h2 { font-size: 15px; margin: 0 0 14px; font-weight: 500; }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); }
input, select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text); min-width: 140px;
}
button {
  background: var(--primary); color: #fff; border: none; border-radius: 8px;
  padding: 9px 18px; font-size: 14px; cursor: pointer;
}
button.ghost { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
button:disabled { opacity: .5; cursor: not-allowed; }
.rank-badge { font-size: 14px; margin: 6px 0 14px; }
.rank-badge b { color: var(--primary); font-size: 20px; }
.cat { margin-bottom: 16px; }
.cat-title { font-weight: 500; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 6px; font-size: 12px; color: #fff; }
.tag.chong { background: var(--chong); }
.tag.wen { background: var(--wen); }
.tag.bao { background: var(--bao); }
.school {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px;
}
.school .meta { font-size: 12px; color: var(--muted); }
.school .name { font-size: 14px; font-weight: 500; }
.school .prob { font-size: 12px; color: var(--primary); margin-left: 8px; }
.warn { border-left: 3px solid var(--danger); background: #fcebeb; padding: 8px 12px; border-radius: 6px; margin-bottom: 8px; font-size: 13px; }
.warn.info { border-color: var(--primary); background: var(--primary-soft); }
.warn.ok { border-color: var(--bao); background: #e1f5ee; }
.vol-item { display: flex; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.vol-item select { min-width: 90px; padding: 4px 6px; }
.muted { color: var(--muted); font-size: 12px; }
.pie { width: 100%; height: 220px; }
.login-box { max-width: 360px; margin: 60px auto; }
textarea {
  width: 100%; min-height: 160px; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; font-family: monospace; font-size: 12px; resize: vertical;
}
.kpi { display: flex; flex-wrap: wrap; gap: 10px; }
.kpi .box { flex: 1; min-width: 110px; border: 1px solid var(--border); border-radius: 8px; padding: 10px; text-align: center; }
.kpi .num { font-size: 22px; font-weight: 500; color: var(--primary); }
.kpi .lbl { font-size: 12px; color: var(--muted); }
.schema { font-size: 12px; color: var(--muted); background: #f8fafc; padding: 8px 10px; border-radius: 6px; margin: 8px 0; }