:root {
  --bg: #0a0f1e;
  --panel: rgba(20, 28, 52, 0.72);
  --panel-border: rgba(80, 120, 220, 0.22);
  --ink: #dfe7ff;
  --dim: #7d8ab0;
  --cyan: #3fd0ff;
  --violet: #8b7bff;
  --green: #3fe08f;
  --amber: #ffc857;
  --mono: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, 'PingFang SC', 'Noto Sans SC', sans-serif;
  font-size: 14px;
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 50% -10%, rgba(63, 208, 255, 0.12), transparent 60%),
    radial-gradient(ellipse 45% 40% at 90% 110%, rgba(139, 123, 255, 0.1), transparent 60%),
    linear-gradient(rgba(80, 120, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 120, 220, 0.05) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
}

/* —— 顶栏 —— */
.top {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 28px 6px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  50% { opacity: 0.35; }
}

h1 { margin: 0; font-size: 22px; letter-spacing: 0.04em; }
h1 .en { font-size: 13px; color: var(--dim); font-weight: 400; margin-left: 8px; letter-spacing: 0.12em; }

.meta { display: flex; gap: 18px; color: var(--dim); font-size: 12px; font-family: var(--mono); }

/* —— 主板 —— */
.board {
  position: relative;
  padding: 14px 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 统计卡片 */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  backdrop-filter: blur(6px);
}

.stat .label { color: var(--dim); font-size: 12px; letter-spacing: 0.08em; }
.stat .value {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .sub { color: var(--dim); font-size: 11px; }

/* 图表面板 */
.charts {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 14px 16px;
  backdrop-filter: blur(6px);
  min-width: 0;
}

.panel h2 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
  border-left: 3px solid var(--cyan);
  padding-left: 8px;
}

.panel h2 small { color: var(--dim); font-weight: 400; font-size: 11px; margin-left: 6px; }

.chart { height: 280px; }

/* 榜单表格 */
.tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tbl { max-height: 380px; overflow-y: auto; margin-top: 8px; }
.tbl::-webkit-scrollbar { width: 6px; }
.tbl::-webkit-scrollbar-thumb { background: rgba(80, 120, 220, 0.3); border-radius: 3px; }

.row {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 8px 6px;
  border-bottom: 1px dashed rgba(80, 120, 220, 0.14);
  text-decoration: none;
  color: inherit;
}

.row:hover { background: rgba(63, 208, 255, 0.06); }
.row .rank { font-family: var(--mono); color: var(--dim); font-size: 12px; }
.row:nth-child(-n + 3) .rank { color: var(--amber); font-weight: 700; }
.row .main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.row .name { font-size: 13px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .desc { font-size: 11px; color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .num { font-family: var(--mono); font-size: 12px; color: var(--green); white-space: nowrap; }

.foot {
  position: relative;
  text-align: center;
  color: var(--dim);
  font-size: 12px;
  padding: 6px 0 22px;
}
.foot a { color: var(--cyan); text-decoration: none; }

/* —— 响应式 —— */
@media (max-width: 1100px) {
  .charts { grid-template-columns: 1fr 1fr; }
  .panel.wide { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .charts, .tables { grid-template-columns: 1fr; }
  .board, .top { padding-left: 14px; padding-right: 14px; }
  .stat .value { font-size: 24px; }
}