/* ============================================================
   私募量化周刊 · Apple 式设计系统
   ============================================================ */

:root {
  --bg: #f5f5f7;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --card-2: #fafafc;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #a1a1a6;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --up: #e03131;      /* A股：红涨 */
  --down: #2f9e44;    /* A股：绿跌 */
  --up-soft: rgba(224, 49, 49, 0.09);
  --down-soft: rgba(47, 158, 68, 0.09);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.08), 0 24px 60px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --nav-h: 52px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #000000;
  --bg-soft: #0a0a0c;
  --card: #1c1c1e;
  --card-2: #232326;
  --text: #f5f5f7;
  --text-2: #a1a1a6;
  --text-3: #6e6e73;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #2997ff;
  --accent-soft: rgba(41, 151, 255, 0.14);
  --up: #ff453a;
  --down: #32d74b;
  --up-soft: rgba(255, 69, 58, 0.12);
  --down-soft: rgba(50, 215, 75, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.5), 0 24px 60px rgba(0, 0, 0, 0.5);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background .35s ease, color .35s ease;
}

::selection { background: var(--accent-soft); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--bg-soft) 72%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 22px;
  height: 100%; display: flex; align-items: center; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; filter: drop-shadow(0 2px 6px rgba(0,113,227,.35)); }
.brand-text { font-size: 15px; font-weight: 700; letter-spacing: .2px; display: flex; align-items: baseline; gap: 8px; }
.brand-text em { font-style: normal; font-size: 11px; font-weight: 500; color: var(--text-3); letter-spacing: .5px; }
.nav-links { display: flex; gap: 4px; margin-left: 8px; }
.nav-link {
  font-size: 13.5px; font-weight: 500; color: var(--text-2);
  padding: 6px 13px; border-radius: 999px; transition: all .2s ease;
}
.nav-link:hover { color: var(--text); background: var(--border); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); }
.nav-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.update-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; color: var(--text-2); background: var(--border);
  padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}
.update-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.icon-btn {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--border); background: transparent; color: var(--text-2);
  transition: all .2s ease;
}
.icon-btn:hover { color: var(--text); background: var(--border); transform: translateY(-1px); }
.btn-mini {
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--border); background: transparent; color: var(--text-2);
  font-size: 14px; line-height: 1; cursor: pointer; transition: all .2s ease;
}
.btn-mini:hover { color: var(--text); background: var(--border); }
.fb-chips-source { display: flex; align-items: center; gap: 6px; }

/* 涨跌幅榜 */
.ranking-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.ranking-col { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.ranking-head { font-size: 12px; font-weight: 700; color: var(--text-3); letter-spacing: .4px; padding-bottom: 4px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.rank-row { display: grid; grid-template-columns: 22px 1fr 70px 56px 70px; align-items: center; gap: 10px; padding: 6px 4px; border-radius: 8px; transition: background .15s; }
.rank-row:hover { background: var(--card-2); }
.rank-no { font-size: 12px; font-weight: 700; color: var(--text-3); text-align: center; }
.rank-name { font-size: 13px; font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-bar { display: block; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.rank-pct { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 12.5px; text-align: right; }
.rank-pct.up { color: var(--up); }
.rank-pct.down { color: var(--down); }
.rank-src { display: flex; justify-content: flex-end; }
@media (max-width: 800px) {
  .ranking-grid { grid-template-columns: 1fr; }
  .rank-row { grid-template-columns: 22px 1fr 50px 60px; }
  .rank-src { display: none; }
}

.fb-chips-source { display: flex; align-items: center; gap: 6px; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
.icon-sun { display: none; }

/* ---------- 布局 ---------- */
.main { max-width: 1200px; margin: 0 auto; padding: 28px 22px 60px; }
.footer { border-top: 1px solid var(--border); padding: 26px 22px 40px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer p { font-size: 12.5px; color: var(--text-2); }
.muted { color: var(--text-3); font-size: 12px; margin-top: 3px; }

.page { animation: fadeUp .45s cubic-bezier(.2,.8,.2,1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Hero ---------- */
.hero { padding: 26px 0 22px; }
.hero h1 {
  font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12;
  background: linear-gradient(120deg, var(--text) 30%, var(--text-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .sub { margin-top: 10px; font-size: 15px; color: var(--text-2); max-width: 640px; }
.hero .tag-row { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft);
  padding: 5px 12px; border-radius: 999px; letter-spacing: .3px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); transition: box-shadow .25s ease, transform .25s ease;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-pad { padding: 20px; }
.card h3 { font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.card .card-sub { font-size: 12.5px; color: var(--text-3); margin-top: 2px; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 980px) { .grid-6 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-6, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 统计块 ---------- */
.stat-label { font-size: 12px; color: var(--text-2); font-weight: 500; }
.stat-value { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat-value.sm { font-size: 18px; }
.stat-delta { font-size: 12px; margin-top: 3px; font-weight: 600; font-variant-numeric: tabular-nums; }

.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--text-3); }
.up-bg { background: var(--up-soft); color: var(--up); }
.down-bg { background: var(--down-soft); color: var(--down); }

.pct { font-variant-numeric: tabular-nums; font-weight: 650; }

/* ---------- 指数快照 ---------- */
.idx-card { padding: 16px 18px; display: flex; flex-direction: column; gap: 2px; cursor: pointer; }
.idx-card .name { font-size: 13px; font-weight: 600; color: var(--text-2); }
.idx-card .val { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; margin-top: 4px; }
.idx-card .chg { font-size: 12.5px; font-weight: 700; }
.idx-card .spark { margin-top: 8px; }

/* ---------- 策略卡 ---------- */
.strategy-card { padding: 20px; display: flex; flex-direction: column; gap: 4px; position: relative; overflow: hidden; }
.strategy-card .name { font-size: 16px; font-weight: 700; }
.strategy-card .bench { font-size: 11.5px; color: var(--text-3); }
.strategy-card .big { font-size: 26px; font-weight: 800; margin-top: 8px; font-variant-numeric: tabular-nums; }
.strategy-card .meta { display: flex; gap: 14px; margin-top: 6px; font-size: 12px; color: var(--text-2); }
.strategy-card .spark { margin-top: 10px; }
.strategy-card .arrow { position: absolute; right: 16px; top: 16px; color: var(--text-3); opacity: 0; transform: translateX(-4px); transition: all .25s ease; }
.strategy-card:hover .arrow { opacity: 1; transform: none; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: right; padding: 10px 14px; font-size: 11.5px; font-weight: 600;
  color: var(--text-3); text-transform: uppercase; letter-spacing: .4px;
  border-bottom: 1px solid var(--border); white-space: nowrap; cursor: pointer; user-select: none;
  background: var(--card-2); position: sticky; top: 0;
}
.data-table th:first-child { text-align: left; border-radius: 0; }
.data-table th .sort-arrow { opacity: .55; font-size: 10px; margin-left: 2px; }
.data-table td { padding: 11px 14px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; font-variant-numeric: tabular-nums; }
.data-table td:first-child { text-align: left; font-weight: 600; }
.data-table tbody tr { transition: background .15s ease; cursor: pointer; }
.data-table tbody tr:hover { background: var(--card-2); }
.data-table .num { font-variant-numeric: tabular-nums; }
.pill { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.pill-scale { background: var(--border); color: var(--text-2); }

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 18px; }
.search {
  display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 8px 14px; flex: 1; min-width: 200px; max-width: 340px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search input { border: none; outline: none; background: transparent; font-size: 13.5px; color: var(--text); width: 100%; }
.search svg { color: var(--text-3); flex-shrink: 0; }
.seg {
  display: inline-flex; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 3px; gap: 2px;
}
.seg button {
  border: none; background: transparent; color: var(--text-2); font-size: 12.5px; font-weight: 600;
  padding: 6px 13px; border-radius: 9px; transition: all .2s ease;
}
.seg button.active { background: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.15); }
select.filter {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  border-radius: 12px; padding: 9px 12px; font-size: 13px; outline: none;
}
select.filter:focus { border-color: var(--accent); }

/* ---------- 图表 ---------- */
.chart-box { position: relative; width: 100%; }
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-tip {
  position: absolute; pointer-events: none; z-index: 20; min-width: 150px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong); border-radius: 12px; padding: 10px 12px;
  box-shadow: var(--shadow-md); font-size: 12px; opacity: 0; transform: translateY(4px);
  transition: opacity .15s ease, transform .15s ease;
}
.chart-tip.show { opacity: 1; transform: none; }
.chart-tip .tt-title { font-weight: 700; font-size: 12.5px; margin-bottom: 6px; }
.chart-tip .tt-row { display: flex; align-items: center; gap: 6px; margin: 2px 0; }
.chart-tip .tt-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.chart-tip .tt-val { margin-left: auto; font-weight: 700; font-variant-numeric: tabular-nums; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--text-2); margin-bottom: 10px; }
.chart-legend .lg-item { display: flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.chart-legend .lg-dot { width: 10px; height: 3px; border-radius: 2px; }
.chart-legend .lg-item.off { opacity: .35; text-decoration: line-through; }

/* ---------- 统计卡片网格 ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpi { padding: 14px 16px; }
.kpi .label { font-size: 11.5px; color: var(--text-3); font-weight: 600; letter-spacing: .3px; }
.kpi .value { font-size: 21px; font-weight: 800; margin-top: 5px; font-variant-numeric: tabular-nums; }
.kpi .hint { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* ---------- 详情头 ---------- */
.detail-head { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 8px 0 18px; }
.crumb { font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.crumb a:hover { color: var(--accent); }
.detail-title { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---------- 空态 / 加载 ---------- */
.empty { padding: 60px 20px; text-align: center; color: var(--text-3); font-size: 14px; }
.loading { display: grid; place-items: center; min-height: 50vh; }
.spinner { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); font-size: 13px; font-weight: 600;
  padding: 11px 20px; border-radius: 999px; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: all .3s cubic-bezier(.2,.8,.2,1); z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- QA 页 ---------- */
.qa-block { margin-top: 18px; }
.qa-list { list-style: none; }
.qa-list li { padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 13px; display: flex; gap: 10px; align-items: baseline; }
.qa-list li:last-child { border-bottom: none; }
.qa-tag { font-size: 10.5px; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 2px 7px; flex-shrink: 0; }

/* ============================================================
   响应式（移动端适配）
   ============================================================ */

/* ---- 平板 & 中等屏 (≤980px) ---- */
@media (max-width: 980px) {
  .nav-inner { gap: 12px; }
  .nav-links { margin-left: 4px; }
  .update-chip { padding: 4px 9px; font-size: 11px; }
  .card-pad { padding: 18px; }
  .hero h1 { letter-spacing: -0.02em; }
  .hero .sub { font-size: 14.5px; }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 平板小 / 手机大 (≤760px) ---- */
@media (max-width: 760px) {
  :root { --nav-h: 50px; }
  .main { padding: 16px 14px 56px; }
  .footer { padding: 22px 14px 36px; }

  .nav-inner { padding: 0 14px; gap: 8px; }
  .brand-text { font-size: 14px; gap: 6px; }
  .brand-text em { display: none; }
  .update-chip { display: none; }
  .nav-tools { gap: 6px; }
  .icon-btn { width: 30px; height: 30px; }

  .hero { padding: 18px 0 14px; }
  .hero h1 { font-size: clamp(24px, 7vw, 32px); }
  .hero .sub { font-size: 13.5px; }
  .hero .tag-row { margin-top: 12px; gap: 6px; }
  .tag { font-size: 11.5px; padding: 4px 10px; }

  .card-pad { padding: 16px; }
  .card .card-sub { font-size: 12px; }

  /* 网格塌缩 */
  .grid-6, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 12px; }

  /* KPI 卡片：小屏更紧凑 */
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi { padding: 12px 14px; }
  .kpi .value { font-size: 19px; }
  .kpi .label { font-size: 11px; }
  .kpi .hint { font-size: 10.5px; }

  /* 详情头 */
  .detail-head { gap: 10px; padding: 4px 0 14px; }
  .detail-title { font-size: 22px; gap: 8px; }
  .crumb { font-size: 12px; }

  /* 指数快照 */
  .idx-card { padding: 14px 16px; }
  .idx-card .val { font-size: 20px; }

  /* 策略卡 */
  .strategy-card { padding: 16px; }
  .strategy-card .big { font-size: 22px; }
  .strategy-card .name { font-size: 15px; }
  .strategy-card .meta { gap: 10px; font-size: 11.5px; }

  /* 表格 */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  table.data-table { font-size: 12.5px; }
  .data-table th { padding: 9px 10px; font-size: 11px; }
  .data-table td { padding: 9px 10px; }

  /* 筛选栏 / 工具栏：纵向堆叠、全宽 */
  .filterbar { flex-direction: column; align-items: stretch; gap: 10px; padding: 14px; }
  .fb-group { width: 100%; }
  .fb-group .fb-label { flex-shrink: 0; }
  .fb-group .seg { width: 100%; display: flex; }
  .fb-group .seg button { flex: 1; padding: 7px 6px; font-size: 12px; }
  .fb-group .filter,
  .fb-group .fb-input { width: 100%; max-width: none; }
  .fb-chips { width: 100%; }
  .fb-compare { width: 100%; text-align: center; }

  .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .toolbar .search { max-width: none; width: 100%; }
  .toolbar .seg { width: 100%; display: flex; }
  .toolbar .seg button { flex: 1; }
  .toolbar select.filter { width: 100%; }

  /* 区段标题 */
  .section-title { margin-top: 22px; gap: 8px; flex-wrap: wrap; }
  .section-title h2 { font-size: 17px; }

  /* 图表标题 */
  .card-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .card-head .seg { align-self: stretch; display: flex; }
  .card-head .seg button { flex: 1; }

  /* 数据质量页 */
  .qa-list li { font-size: 12.5px; gap: 8px; padding: 8px 0; }
  .qa-tag { font-size: 10px; padding: 2px 6px; }

  /* Toast */
  .toast { bottom: 18px; padding: 10px 16px; font-size: 12.5px; max-width: calc(100vw - 32px); }

  /* 密码门禁 */
  .gate { padding: 14px; }
  .gate-card { padding: 30px 22px 24px; border-radius: 20px; }
  .gate-icon { width: 56px; height: 56px; margin-bottom: 14px; }
  .gate-card h2 { font-size: 20px; }
  .gate-qr img { width: 150px; }
}

/* ---- 中等手机 (≤560px) ---- */
@media (max-width: 560px) {
  .nav-links { margin-left: 0; gap: 2px; }
  .nav-link { padding: 5px 9px; font-size: 12.5px; }

  .card-pad { padding: 14px; }
  .strategy-card { padding: 14px; }

  .filterbar { padding: 12px; }
  .fb-group .seg button { font-size: 11.5px; padding: 6px 4px; }

  .qa-list li { font-size: 12px; }
}

/* ---- 小屏手机 (≤480px) ---- */
@media (max-width: 480px) {
  :root { --nav-h: 48px; --radius: 14px; --radius-sm: 10px; }

  .main { padding: 12px 12px 48px; }

  .nav-inner { padding: 0 12px; gap: 6px; }
  .brand-mark svg { width: 22px; height: 22px; }
  .brand-text { font-size: 13px; }
  .nav-links { margin-left: 0; gap: 0; }
  .nav-link { padding: 5px 8px; font-size: 12px; }
  .nav-tools { gap: 4px; }
  .icon-btn { width: 28px; height: 28px; }
  .icon-btn svg { width: 16px; height: 16px; }

  .hero { padding: 14px 0 10px; }
  .hero h1 { font-size: clamp(20px, 7vw, 26px); line-height: 1.18; }
  .hero .sub { font-size: 12.5px; margin-top: 8px; }

  /* KPI 单列堆叠 */
  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .kpi { padding: 10px 12px; }
  .kpi .label { font-size: 10.5px; }
  .kpi .value { font-size: 17px; margin-top: 3px; }
  .kpi .hint { font-size: 10px; }

  /* 卡片再紧凑 */
  .card-pad { padding: 12px; }
  .card h3 { font-size: 14px; }

  /* 指数 / 策略卡 */
  .idx-card { padding: 12px 14px; }
  .idx-card .name { font-size: 12px; }
  .idx-card .val { font-size: 18px; }
  .idx-card .chg { font-size: 11.5px; }

  .strategy-card { padding: 14px 12px; gap: 2px; }
  .strategy-card .big { font-size: 20px; margin-top: 6px; }
  .strategy-card .name { font-size: 14px; }
  .strategy-card .bench { font-size: 11px; }
  .strategy-card .meta { gap: 8px; font-size: 11px; flex-wrap: wrap; }

  /* 统计块 */
  .stat-value { font-size: 20px; }
  .stat-value.sm { font-size: 16px; }

  /* 详情头 */
  .detail-title { font-size: 19px; }
  .crumb { font-size: 11.5px; }

  /* 区段标题 */
  .section-title { margin-top: 18px; }
  .section-title h2 { font-size: 15.5px; }

  /* 表格（保留横滑，但视觉更紧凑） */
  table.data-table { font-size: 12px; }
  .data-table th { padding: 8px 8px; font-size: 10.5px; }
  .data-table td { padding: 8px 8px; }

  /* 筛选 / 工具 */
  .filterbar { padding: 10px; gap: 8px; }
  .fb-group .seg button { font-size: 11px; padding: 5px 4px; }

  /* Toast */
  .toast { font-size: 12px; padding: 9px 14px; }

  /* 密码门禁 */
  .gate-card { padding: 26px 18px 22px; }
  .gate-card h2 { font-size: 18px; }
  .gate-sub { font-size: 12px; }
  .gate-input-row { flex-direction: column; }
  .gate-input-row .gate-input { width: 100%; }
  .gate-btn { padding: 11px; }
  .gate-qr img { width: 140px; }

  /* 页脚 */
  .footer p { font-size: 11.5px; }
}

/* ---- 极小屏 (≤380px) ---- */
@media (max-width: 380px) {
  .nav-link { padding: 4px 6px; font-size: 11.5px; }
  .brand-text { font-size: 12.5px; }
  .hero h1 { font-size: 19px; }
  .kpi .value { font-size: 16px; }
  .strategy-card .big { font-size: 18px; }
  .gate-card { padding: 22px 14px 18px; border-radius: 16px; }
}

/* ============================================================
   密码门禁弹窗
   ============================================================ */
.gate {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center; padding: 20px;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  backdrop-filter: blur(24px) saturate(160%);
  opacity: 1; transition: opacity .45s ease, visibility .45s ease;
}
.gate.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.gate-card {
  width: 100%; max-width: 380px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong); border-radius: 24px;
  box-shadow: var(--shadow-lg); padding: 36px 30px 30px;
  text-align: center; animation: gateIn .5s cubic-bezier(.2,.8,.2,1);
}
@keyframes gateIn { from { opacity: 0; transform: scale(.94) translateY(12px); } to { opacity: 1; transform: none; } }
.gate-icon {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; color: var(--accent);
  background: var(--accent-soft);
}
.gate-card h2 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.gate-sub { font-size: 13px; color: var(--text-2); margin-top: 6px; }
.gate-input-row { display: flex; gap: 8px; margin-top: 20px; }
.gate-input {
  flex: 1; min-width: 0; border: 1px solid var(--border-strong); border-radius: 12px;
  background: var(--bg-soft); color: var(--text); font-size: 15px; padding: 11px 14px;
  outline: none; transition: border-color .2s ease, box-shadow .2s ease;
  font-variant-numeric: tabular-nums; letter-spacing: 3px;
}
.gate-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.gate-btn {
  border: none; background: var(--accent); color: #fff; font-size: 14px; font-weight: 700;
  padding: 0 22px; border-radius: 12px; transition: transform .15s ease, box-shadow .2s ease;
}
.gate-btn:hover { box-shadow: 0 4px 14px var(--accent-soft); transform: translateY(-1px); }
.gate-btn:active { transform: scale(.97); }
.gate-error { min-height: 18px; font-size: 12.5px; color: var(--up); margin-top: 10px; }
.gate-qr { margin-top: 14px; animation: gateIn .4s ease; }
.gate-qr img {
  width: 180px; height: auto; border-radius: 16px;
  border: 1px solid var(--border); box-shadow: var(--shadow-md);
}
.gate-qr p { font-size: 12.5px; color: var(--text-2); margin-top: 10px; }
.gate.shake { animation: gateShake .4s ease; }
@keyframes gateShake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-10px); } 40% { transform: translateX(9px); }
  60% { transform: translateX(-6px); } 80% { transform: translateX(4px); }
}

/* ============================================================
   筛选栏 / 徽章 / 热力图（v2）
   ============================================================ */
.filterbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px;
  padding: 12px 16px; margin-bottom: 18px;
}
.fb-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; }
.fb-label { font-size: 11.5px; font-weight: 700; color: var(--text-3); letter-spacing: .4px; }
.fb-seg .seg { border: none; background: transparent; padding: 0; }
.fb-input { max-width: 210px; }
.fb-sep { color: var(--text-3); font-size: 12px; }
.fb-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.fb-clear { border: none; background: transparent; color: var(--up); font-size: 12px; font-weight: 600; padding: 4px 8px; }
.fb-compare {
  font-size: 12.5px; font-weight: 700; color: var(--accent); background: var(--accent-soft);
  padding: 6px 12px; border-radius: 999px; text-decoration: none;
}
.chip {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600;
  color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 4px 8px 4px 11px;
}
.chip-x { border: none; background: transparent; color: inherit; font-size: 14px; line-height: 1; padding: 0 2px; opacity: .6; }
.chip-x:hover { opacity: 1; }

.pill-warn { background: var(--up-soft); color: var(--up); }
.pill-soft { background: var(--border); color: var(--text-2); }
.pill-accent { background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 700; }

.section-title { display: flex; align-items: baseline; gap: 10px; margin-top: 26px; margin-bottom: 4px; }
.section-title h2 { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.section-title .muted { font-size: 12px; }

/* 新数据源：YTD 异常徽章 */
.pill-amber { background: rgba(255,159,10,.16); color: #b25e00; }
[data-theme="dark"] .pill-amber { background: rgba(255,159,10,.2); color: #ffb340; }

/* ============================================================
   热力图横向滚动（小屏）
   ============================================================ */
#heatmap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}
#heatmap::-webkit-scrollbar { height: 6px; }
#heatmap::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
#heatmap svg { display: block; min-width: 100%; }

/* ============================================================
   市场快照 4×2 紧凑网格
   ============================================================ */
.idx-grid { gap: 14px; }
.idx-grid .idx-card { padding: 16px 18px; }
@media (max-width: 980px) {
  .idx-grid { grid-template-columns: repeat(2, 1fr); }
}