/* ============ 设计令牌 ============ */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;

  --bg: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --hairline: rgba(0, 0, 0, 0.08);

  /* 克制的 A 股红绿：低饱和、不过亮 */
  --up: #c9463c;
  --up-soft: rgba(201, 70, 60, 0.08);
  --down: #2e8b57;
  --down-soft: rgba(46, 139, 87, 0.09);

  --accent: #b5885b;            /* 低饱和暖棕金，点缀用 */
  --card-bg: rgba(255, 255, 255, 0.72);
  --card-border: rgba(255, 255, 255, 0.6);

  /* Emil：强 ease-out 自定义曲线 */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(181, 136, 91, 0.07), transparent 60%),
    radial-gradient(900px 500px at 5% 0%, rgba(70, 90, 110, 0.05), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 72px; /* 给底部固定免责声明留位 */
}

.num, .metric-value, td, th {
  font-variant-numeric: tabular-nums; /* 等宽数字，滚动时不抖动 */
}

/* ============ 布局容器 ============ */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 顶部头部（毛玻璃 sticky） ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 245, 247, 0.62);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 60px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand .sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-2);
  margin-left: 8px;
  letter-spacing: 0.01em;
}

.header-meta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-2);
}

/* ============ 历史归档自定义下拉 ============ */
.archive-wrap { position: relative; }

.archive-btn {
  appearance: none;
  font: inherit;
  font-size: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 5px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}
.archive-btn:hover { box-shadow: var(--shadow-sm); }
.archive-btn:active { transform: scale(0.97); }
.archive-btn .chev {
  font-size: 10px;
  color: var(--text-2);
  transition: transform 200ms var(--ease-out);
}
.archive-wrap.open .archive-btn .chev { transform: rotate(180deg); }

.archive-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 188px;
  max-height: 320px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 6px;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top right;
  visibility: hidden;
  transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out), visibility 220ms;
}
.archive-wrap.open .archive-dropdown {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.archive-item {
  display: block;
  font-size: 12.5px;
  color: var(--text);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 7px;
  font-variant-numeric: tabular-nums;
  transition: background 140ms var(--ease-out);
}
a.archive-item:hover { background: rgba(0, 0, 0, 0.045); }
.archive-item.current {
  color: var(--accent);
  background: rgba(181, 136, 91, 0.1);
  font-weight: 500;
  cursor: default;
}
.archive-item.archive-all {
  margin-top: 4px;
  border-top: 1px solid var(--hairline);
  border-radius: 0 0 7px 7px;
  color: var(--text-2);
}

/* ============ 指数概览条 ============ */
.index-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 28px 0 8px;
}

.index-card {
  background: var(--card-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px 14px;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

.index-name {
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.index-close {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.index-chg {
  display: inline-block;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
}

.up   { color: var(--up); }
.down { color: var(--down); }
.chip-up   { background: var(--up-soft); }
.chip-down { background: var(--down-soft); }

/* ============ 区块标题 ============ */
.section { margin-top: 44px; }

.section-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 4px;
}

.section-desc {
  font-size: 13px;
  color: var(--text-2);
  margin: 0 0 20px;
}

/* ============ 通用卡片 ============ */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px 22px;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

/* hover 微抬升，仅在精确指针设备上启用 */
@media (hover: hover) and (pointer: fine) {
  .index-card:hover, .card.lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
}

/* ============ 复盘区：成交 + 图表 ============ */
.overview-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.overview-row .big {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.overview-row .label { color: var(--text-2); font-size: 13px; }

/* 成交额放量/缩量徽标 */
.amt-badge {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.amt-badge.up { color: var(--up); background: var(--up-soft); }
.amt-badge.down { color: var(--down); background: var(--down-soft); }

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.chart-box { height: 320px; width: 100%; }

.chart-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--text);
}

/* ============ 榜单表格 ============ */
.rank-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.rank-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.rank-table th {
  text-align: right;
  font-weight: 500;
  color: var(--text-3);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  padding: 8px 8px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}
.rank-table th:first-child, .rank-table td:first-child { text-align: left; }

.rank-table td {
  text-align: right;
  padding: 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  white-space: nowrap;
}
.rank-table tr:last-child td { border-bottom: none; }

.stock-name { font-weight: 500; }
.stock-code { color: var(--text-3); font-size: 11.5px; margin-left: 4px; }

/* ============ 今日关注：Tab ============ */
.tabs {
  display: inline-flex;
  position: relative;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  padding: 3px;
  margin-bottom: 20px;
}

.tab-btn {
  position: relative;
  z-index: 1;
  appearance: none;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding: 8px 22px;
  border-radius: 9px;
  cursor: pointer;
  transition: color 180ms var(--ease-out), transform 160ms var(--ease-out);
}
.tab-btn:active { transform: scale(0.97); }
.tab-btn.active { color: var(--text); }

.tab-indicator {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: 0;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 9px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 260ms var(--ease-drawer);
}

.panel { display: none; }
.panel.active {
  display: block;
  animation: panel-in 280ms var(--ease-out) both;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-summary {
  font-size: 13px;
  color: var(--text-2);
  margin: -8px 0 18px;
}

/* ============ 个股卡片 ============ */
.stock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stock-card .head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.stock-card .name { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.stock-card .code { font-size: 12px; color: var(--text-3); }
.stock-card .sector-tag {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--accent);
  background: rgba(181, 136, 91, 0.1);
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.stock-card .price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 6px 0 10px;
}

.stock-card .price { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.stock-card .pct { font-size: 14px; font-weight: 500; }

.stock-card .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 12px;
  font-size: 12px;
  margin-bottom: 12px;
}
.metric .k { color: var(--text-3); display: block; font-size: 11px; letter-spacing: 0.02em; }
.metric .v { font-weight: 500; }

.reason-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
.reason-tag {
  font-size: 11.5px;
  color: var(--text-2);
  background: rgba(0, 0, 0, 0.045);
  border-radius: 999px;
  padding: 3px 10px;
}

.ifind-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  font-size: 12px;
  color: var(--text-2);
}
.ifind-block .src {
  font-size: 10.5px;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}
/* ============ 个股卡片：走势图区 ============ */
.mini-charts {
  display: flex;
  gap: 12px;
  margin: 10px 0 2px;
}
.mini-chart-item { flex: 1 1 0; min-width: 0; }
.mini-cap {
  display: block;
  font-size: 10.5px;
  color: var(--text-3);
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}
.mini-chart { height: 160px; width: 100%; }

/* ============ iFinD 技术 chip 行 ============ */
.tech-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-chips:empty { display: none; }
.tech-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-size: 11.5px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.045);
  border-radius: 999px;
  padding: 3px 10px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.tech-chip .k { color: var(--text-3); font-size: 10.5px; letter-spacing: 0.03em; }
.tech-chip.chip-warn-up { color: var(--up); background: var(--up-soft); }
.tech-chip.chip-warn-down { color: var(--down); background: var(--down-soft); }

.ifind-ann { margin-top: 6px; color: var(--text-3); line-height: 1.5; }

/* ============ ETF 卡片 ============ */
.etf-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--text-2);
}

.etf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.etf-card { padding: 16px 18px; }
.etf-card .head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.etf-card .name { font-weight: 600; font-size: 14.5px; }
.etf-card .code { font-size: 11.5px; color: var(--text-3); }
.etf-card .pct { margin-left: auto; font-weight: 600; font-size: 14px; }
.etf-card .reason { font-size: 12.5px; color: var(--text-2); line-height: 1.55; margin-top: 6px; }

/* ============ 人气榜 ============ */
.hot-list { display: flex; flex-wrap: wrap; gap: 8px; }
.hot-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12.5px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 6px 14px;
}
.hot-item .rk { color: var(--accent); font-weight: 600; font-size: 11.5px; }

/* ============ 加载 stagger 渐入 ============ */
.reveal {
  opacity: 0;
  transform: translateY(14px) scale(0.985);
  animation: reveal 380ms var(--ease-out) forwards;
}
@keyframes reveal {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============ 底部固定免责声明 ============ */
.disclaimer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  background: rgba(245, 245, 247, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-top: 1px solid var(--hairline);
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  padding: 12px 16px;
  letter-spacing: 0.02em;
}

/* ============ 归档页 ============ */
.archive-list { list-style: none; padding: 0; margin: 24px 0 60px; }
.archive-list li { margin-bottom: 10px; }
.archive-list a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
  padding: 14px 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  min-width: 260px;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}
.archive-list a:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.archive-list .badge {
  font-size: 11px;
  color: var(--accent);
  background: rgba(181, 136, 91, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .chart-grid { grid-template-columns: 1fr; }
  .rank-grid { grid-template-columns: 1fr; }
  .stock-grid { grid-template-columns: 1fr; }
  .index-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .mini-charts { flex-direction: column; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .index-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
  .index-close { font-size: 20px; }
  .section-title { font-size: 20px; }
  .card { padding: 16px; }
  .chart-box { height: 260px; }
}

/* ============ 无障碍降级 ============ */
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: reveal-fade 200ms ease forwards; transform: none; }
  @keyframes reveal-fade { to { opacity: 1; } }
  .panel.active { animation: panel-fade 200ms ease both; }
  @keyframes panel-fade { from { opacity: 0; } to { opacity: 1; } }
  .index-card, .card, .tab-btn, .tab-indicator, .archive-btn, .archive-item, .archive-list a {
    transition-duration: 100ms;
  }
  /* 归档下拉：无动画直接显隐 */
  .archive-dropdown, .archive-btn .chev { transition: none; }
  .index-card:hover, .card.lift:hover { transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .card, .index-card { background: #ffffff; backdrop-filter: none; }
  .site-header, .disclaimer { background: #f5f5f7; backdrop-filter: none; }
  .archive-dropdown { background: #ffffff; backdrop-filter: none; }
}