:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e4e7ec;
  --text: #1f2329;
  --muted: #86909c;
  --red: #d94a4a;
  --blue: #3a7bd5;
  --accent: #2f6f4f;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px; background: #fff; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10; flex-wrap: wrap;
}
.brand { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); display: inline-block; }
#gameSwitch { font-size: 12px; padding: 4px 8px; opacity: 0.75; }
#tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tab {
  border: none; background: transparent; padding: 6px 12px; border-radius: 8px;
  cursor: pointer; color: var(--muted); font-size: 14px;
}
.tab:hover { background: #f0f2f5; }
.tab.active { background: #e8f1fb; color: var(--blue); font-weight: 600; }
.btn {
  border: 1px solid var(--border); background: #fff; padding: 6px 14px;
  border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: #c9cdd4; }
.btn.primary { background: var(--blue); color: #fff; border-color: var(--blue); }
main { max-width: 1200px; margin: 0 auto; padding: 16px 20px 60px; }
.panel { display: none; }
.panel.active { display: block; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.metric { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.metric .label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.metric .value { font-size: 24px; font-weight: 600; }
.metric .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.card h3 { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart { width: 100%; height: 300px; }
.toolbar { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar label { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
select, input {
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px;
  font-size: 13px; background: #fff; color: var(--text);
}
.notice {
  background: #fff8e6; border: 1px solid #f5d48a; color: #8a6d1a;
  border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; font-size: 13px;
}
.seg { display: flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.seg-btn { border: none; background: #fff; padding: 6px 16px; cursor: pointer; font-size: 13px; color: var(--muted); }
.seg-btn.active { background: var(--blue); color: #fff; }

.balls { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ball {
  width: 34px; height: 34px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; color: #fff;
  font-size: 14px; font-weight: 600;
}
.ball.front { background: var(--blue); }
.ball.back { background: var(--red); }
.ball.small { width: 26px; height: 26px; font-size: 12px; }

.pred-group {
  border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px;
  margin-bottom: 12px; background: #fff;
}
.pred-group .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; gap: 12px; flex-wrap: wrap; }
.score-bar { height: 6px; background: #eef0f3; border-radius: 3px; overflow: hidden; margin-top: 6px; }
.score-bar i { display: block; height: 100%; background: var(--accent); }
.sim { font-size: 12px; color: var(--muted); margin-top: 6px; }
.meta { font-size: 12px; color: var(--muted); }
.model-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }

.sticky-term {
  position: sticky; top: 44px; z-index: 9;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 14px; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.win-badge { display: inline-block; padding: 3px 12px; border-radius: 8px; font-weight: 500; font-size: 13px; }
.win-yes { background: #FCEBEB; color: #A32D2D; border: 1px solid #F09595; }
.win-no { background: var(--color-background-secondary); color: var(--color-text-tertiary); border: 1px solid var(--color-border-tertiary); }
.ticket-term { margin-top: 6px; line-height: 1.7; }
.ticket-term > div { display: block; }
.ticket-flex { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.ticket-flex #ticketPreview { flex: 0 0 auto; }
.ticket-flex #ticketPreview img.ticket-img {
  max-width: 240px; height: auto; border-radius: 8px; border: 1px solid var(--border);
}
.ticket-flex #ocrResult { flex: 1; min-width: 300px; }
.pick-row { position: relative; border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 10px; }
/* 悬停浮层：默认隐藏 + 绝对定位（不撑高卡片），hover 时浮在卡片下方 */
.freq-row { display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  z-index: 1000; background: #e8f1fb; color: #0c447c;
  border: 1px solid var(--blue); border-radius: 8px; padding: 8px 10px;
  font-size: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.15); }
.pick-row:hover .freq-row { display: block; }
.pick-row .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.pick-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.pick-form input { flex: 1; min-width: 160px; }
.stats-row { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-top: 6px; }
.stats-row b { color: var(--text); }

table.prob { width: 100%; border-collapse: collapse; font-size: 13px; }
table.prob th, table.prob td { border-bottom: 1px solid var(--border); padding: 8px 10px; text-align: right; }
table.prob th:first-child, table.prob td:first-child { text-align: left; }
table.prob th { color: var(--muted); font-weight: 500; }
.rule-text { line-height: 2; color: #3d4148; }
.rule-text b { color: var(--text); }
.pill { display: inline-block; background: #e8f1fb; color: var(--blue); border-radius: 6px; padding: 1px 8px; font-size: 12px; margin-left: 6px; }

@media (max-width: 800px) {
  .grid2 { grid-template-columns: 1fr; }
  .chart { height: 240px; }
}