:root {
  --up: #e5484d;        /* A股红涨 */
  --down: #2a9d5c;      /* A股绿跌 */
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1c2128;
  --muted: #8b929c;
  --line: #e7eaee;
  --brand: #1f4bd8;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.nav { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.nav-inner { max-width: 1080px; margin: 0 auto; padding: 0 20px; height: 56px;
  display: flex; align-items: center; gap: 24px; }
.brand { font-weight: 700; font-size: 17px; text-decoration: none; color: var(--text); }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 6px 14px; border-radius: 8px; text-decoration: none; color: var(--text); }
.nav-links a:hover { background: var(--bg); }
.nav-links a.active { background: #eef2ff; color: var(--brand); font-weight: 600; }
.nav-note { margin-left: auto; color: var(--muted); font-size: 12.5px; }

.container { max-width: 1080px; margin: 20px auto 40px; padding: 0 20px; }
.footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 24px 0 32px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 24px; margin-bottom: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.card-head h2 { margin: 0; font-size: 18px; }

.idx-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 18px; }
.idx-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.idx-name { color: var(--muted); font-size: 13px; }
.idx-price { font-size: 22px; font-weight: 700; margin-top: 2px; }
.idx-pct { font-size: 14px; font-weight: 600; margin-left: 6px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hidden { display: none; }

.up { color: var(--up); }
.down { color: var(--down); }
.r { text-align: right; }

.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12.5px; color: var(--muted); font-weight: 500;
  padding: 8px 10px; border-bottom: 1px solid var(--line); }
.table td { padding: 10px; border-bottom: 1px solid var(--line); }
.table tr:last-child td { border-bottom: none; }
.rowlink { cursor: pointer; }
.rowlink:hover { background: #f8faff; }

.btn { border: none; border-radius: 9px; padding: 8px 16px; font-size: 14px; cursor: pointer; }
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: #1a41bb; }
.btn.primary:disabled { background: #9db1ee; cursor: not-allowed; }
.btn.ghost { background: var(--bg); color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--line); }

.signals { margin-bottom: 12px; }
.tag { display: inline-block; background: #fff4e5; color: #b25e09; border-radius: 999px;
  padding: 2px 12px; font-size: 13px; margin-right: 8px; margin-bottom: 6px; }

.snap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px; margin-bottom: 14px; }
.snap-grid > div { background: var(--bg); border-radius: 10px; padding: 8px 12px; font-size: 14px; }
.snap-grid label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px; }

.md-body h1 { font-size: 20px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.md-body h2 { font-size: 17px; margin-top: 24px; }
.md-body blockquote { border-left: 3px solid var(--brand); background: #f3f6ff;
  margin: 12px 0; padding: 8px 16px; color: #44506b; border-radius: 0 8px 8px 0; }
.md-body table { border-collapse: collapse; margin: 12px 0; }
.md-body th, .md-body td { border: 1px solid var(--line); padding: 6px 12px; }
.md-body th { background: var(--bg); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; margin: 10px 0 16px; }
.form-grid label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.form-grid input, .form-grid select { width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; }

#kchart { margin-top: 6px; }