/* ================= 公开概览页（/stats） ================= */
:root {
  --bg: #0b0f15;
  --panel: #141a23;
  --panel-2: #1a222d;
  --line: #222b38;
  --line-soft: #1b2430;
  --txt: #e8eef6;
  --txt-2: #94a1b2;
  --txt-3: #5f6b7a;
  --blue: #4c8dff;
  --green: #2ecc8f;
  --orange: #f5a623;
  --purple: #a874ff;
  --cyan: #29c7d6;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1100px 520px at 50% -10%, #16233a 0%, #0b0f15 62%) no-repeat,
    #0b0f15;
  color: var(--txt);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.wrap { max-width: 1160px; margin: 0 auto; padding: 30px 22px 46px; }

/* ---------------- 头部 ---------------- */
.head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap; margin-bottom: 26px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, #4c8dff, #2ecc8f);
  display: grid; place-items: center;
  font-size: 18px; font-weight: 700; color: #fff;
  box-shadow: 0 6px 18px rgba(76, 141, 255, .28);
}
.bt { display: flex; flex-direction: column; gap: 3px; }
.bt b {
  font-size: 16.5px; font-weight: 650; letter-spacing: .2px;
  line-height: 1.2; display: block;
}
.bt i {
  font-style: normal; font-size: 11.5px; color: var(--txt-3);
  letter-spacing: .3px; line-height: 1.2; display: block;
}

.ranges {
  display: inline-flex; gap: 3px; padding: 3px;
  background: rgba(20, 26, 35, .8); border: 1px solid var(--line);
  border-radius: 10px;
}
.ranges button {
  border: 0; background: transparent; color: var(--txt-2);
  font: inherit; font-size: 12.5px; padding: 6px 14px;
  border-radius: 7px; cursor: pointer; transition: .16s;
}
.ranges button:hover { color: var(--txt); }
.ranges button.on { background: rgba(76, 141, 255, .16); color: #a7c6ff; font-weight: 600; }

/* ---------------- KPI ---------------- */
.kpis {
  display: grid; gap: 12px; margin-bottom: 14px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}
.kpi {
  background: linear-gradient(180deg, rgba(26, 34, 45, .9), rgba(20, 26, 35, .9));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 17px 15px; position: relative; overflow: hidden;
}
.kpi::before {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
  opacity: .85;
}
.kpi:nth-child(2)::before { background: linear-gradient(90deg, var(--green), transparent); }
.kpi:nth-child(3)::before { background: linear-gradient(90deg, var(--orange), transparent); }
.kpi:nth-child(4)::before { background: linear-gradient(90deg, var(--purple), transparent); }
.kpi .lb { font-size: 12px; color: var(--txt-2); margin-bottom: 7px; letter-spacing: .3px; }
.kpi .vv {
  font-size: 29px; font-weight: 680; letter-spacing: -.8px;
  font-variant-numeric: tabular-nums; line-height: 1.12;
  background: linear-gradient(180deg, #fff, #b9c8dc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.kpi .ft { font-size: 11.5px; color: var(--txt-3); margin-top: 6px; }
.kpi .ft b { color: var(--txt-2); font-weight: 600; }
.kpi.skeleton { height: 96px; animation: sk 1.4s ease-in-out infinite; }
@keyframes sk { 0%, 100% { opacity: .45; } 50% { opacity: .8; } }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); margin-bottom: 14px; overflow: hidden;
}
.card-h {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 18px 10px; flex-wrap: wrap;
}
.card-h h2 { font-size: 13.5px; font-weight: 600; letter-spacing: .3px; }
.card-h .sub { font-size: 11.5px; color: var(--txt-3); }
.lg { display: flex; gap: 14px; font-size: 11.5px; color: var(--txt-2); }
.lg span { display: inline-flex; align-items: center; gap: 5px; }
.lg i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; }
.d-pv { background: var(--blue); }
.d-uv { background: var(--green); }

.chart { height: 262px; padding: 4px 14px 12px; }
.chart.sm { height: 214px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid > .card { margin-bottom: 14px; }

/* ---------------- 排行榜 ---------------- */
.list { padding: 4px 18px 16px; }
.list.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; }
.ri {
  display: grid; grid-template-columns: 20px 1fr auto;
  align-items: center; gap: 10px; padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.ri:last-child { border-bottom: 0; }
.ri .n { font-size: 11px; color: var(--txt-3); text-align: center; font-variant-numeric: tabular-nums; }
.ri .n.top { color: var(--orange); font-weight: 700; }
.ri .m { min-width: 0; }
.ri .m .t {
  font-size: 13px; color: var(--txt); display: block;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ri .m .bar { height: 3px; border-radius: 2px; background: var(--line); margin-top: 6px; overflow: hidden; }
.ri .m .bar i {
  display: block; height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, #4c8dff, #29c7d6);
}
.ri .v { font-size: 12.5px; color: var(--txt-2); font-variant-numeric: tabular-nums; }
.empty { padding: 26px 0; text-align: center; color: var(--txt-3); font-size: 12.5px; }

/* ---------------- 页脚 ---------------- */
.foot {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 20px 4px 0; font-size: 11.5px; color: var(--txt-3);
}
.foot b { color: var(--txt-2); font-weight: 600; }
.foot .dot { opacity: .5; }
.mgmt {
  margin-left: auto; color: var(--txt-3); text-decoration: none;
  opacity: .55; transition: .16s; font-size: 11.5px;
}
.mgmt:hover { opacity: 1; color: var(--txt-2); }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .list.cols { grid-template-columns: 1fr; }
  .kpi .vv { font-size: 26px; }
  .wrap { padding: 20px 15px 34px; }
}