/* theme.css — 「研究终端」共享设计系统
   提取自 AI 基建投资研究仪表盘，供首页 + 每日观察 + 研报模板统一复用。
   配色: warm paper #f6f4ef / 墨 #181916 / 绿 #0b6b57 / 金 #9a6500 / 红 #a33b2a / 蓝 #315f8a */

:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --surface: #fffdfa;
  --surface-2: #f0eee8;
  --ink: #181916;
  --muted: #676b62;
  --line: #d9d5ca;
  --line-strong: #bdb7aa;
  --accent: #0b6b57;
  --accent-2: #9a6500;
  --danger: #a33b2a;
  --cool: #315f8a;
  --shadow: 0 18px 45px rgba(42, 38, 30, 0.08);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration-color: rgba(11, 107, 87, 0.45); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
button, input, a { touch-action: manipulation; }
button:focus-visible, input:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(11, 107, 87, 0.32);
  outline-offset: 2px;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
}
.skip-link:focus { transform: translateY(0); }
.app-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: max(18px, env(safe-area-inset-top)) 16px 18px max(16px, env(safe-area-inset-left));
  border-right: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.92);
  backdrop-filter: blur(12px);
  overflow-y: auto;
}
.brand { padding: 4px 4px 18px; border-bottom: 1px solid var(--line); }
.brand h1 { margin: 0; font-size: 20px; line-height: 1.18; letter-spacing: 0; text-wrap: balance; }
.brand p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.nav-group { padding: 14px 0; border-bottom: 1px solid var(--line); }
.nav-group-title { margin: 0 4px 8px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 8px;
  border-radius: 6px;
  color: #30322e;
  font-size: 13px;
  line-height: 1.25;
  text-decoration: none;
}
.nav-link:hover { background: #ece8df; color: var(--ink); }
.nav-link span:first-child { width: 22px; flex: 0 0 auto; color: var(--muted); font-variant-numeric: tabular-nums; }
.main { min-width: 0; padding: 22px clamp(16px, 3vw, 34px) 60px; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin: -22px calc(clamp(16px, 3vw, 34px) * -1) 20px;
  padding: 14px clamp(16px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 239, 0.88);
  backdrop-filter: blur(12px);
}
.search-wrap { min-width: 0; }
.search-wrap label { display: block; margin-bottom: 5px; color: var(--muted); font-size: 12px; }
.search-row { display: flex; gap: 8px; align-items: center; }
#searchInput {
  width: min(680px, 100%);
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
}
.tool-buttons { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tool-buttons button, .source-link {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 11px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.tool-buttons button:hover, .source-link:hover { border-color: var(--accent); color: var(--accent); }
.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}
.overview-copy, .metric-grid, .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.overview-copy { padding: 22px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.overview-copy h2 { margin: 0; font-size: clamp(24px, 3vw, 38px); line-height: 1.08; letter-spacing: 0; text-wrap: balance; }
.overview-copy p { max-width: 860px; margin: 14px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.metric-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; }
.metric { padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.metric:nth-child(2n) { border-right: 0; }
.metric:nth-last-child(-n+2) { border-bottom: 0; }
.metric strong { display: block; font-size: 28px; line-height: 1; font-variant-numeric: tabular-nums; }
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.panel { margin: 18px 0; overflow: hidden; }
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; font-size: 20px; letter-spacing: 0; text-wrap: balance; }
.panel-head p:not(.eyebrow) { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.table-shell { width: 100%; overflow-x: auto; overscroll-behavior-x: contain; }
table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 880px; font-size: 13px; }
th, td { padding: 10px 11px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; line-height: 1.42; overflow-wrap: anywhere; }
thead th { position: sticky; top: 0; z-index: 1; background: #eeeae1; color: #353730; font-weight: 700; }
tbody tr:hover { background: #fbf7ed; }
tbody tr[hidden] { display: none; }
.num, td:nth-child(6), td:nth-child(10) { font-variant-numeric: tabular-nums; }
.rank-top { color: var(--accent); font-weight: 800; }
.sort-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}
.sort-button:hover { color: var(--accent); }
.table-note { padding: 10px 20px 16px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
.doc-map { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; padding: 16px 20px 20px; }
.doc-chip {
  display: block;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfaf6;
  text-decoration: none;
}
.doc-chip:hover { border-color: var(--accent); background: #f3f0e8; }
.doc-chip span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 6px; }
.doc-chip strong { display: block; font-size: 13px; line-height: 1.35; overflow-wrap: anywhere; }
.markdown-body { padding: 2px 20px 24px; }
.markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 { scroll-margin-top: 86px; letter-spacing: 0; text-wrap: balance; }
.markdown-body h2 { margin: 24px 0 10px; font-size: 21px; }
.markdown-body h3 { margin: 22px 0 8px; font-size: 17px; }
.markdown-body h4 { margin: 18px 0 8px; font-size: 15px; }
.markdown-body p, .markdown-body li { color: #30322d; font-size: 14px; line-height: 1.68; }
.markdown-body ul, .markdown-body ol { padding-left: 22px; }
.markdown-body blockquote {
  margin: 14px 0;
  padding: 10px 14px;
  border-left: 4px solid var(--accent);
  background: #f4f0e8;
  color: #2f332c;
}
.markdown-body blockquote p { margin: 4px 0; color: #2f332c; }
.markdown-body pre {
  overflow-x: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #171914;
  color: #f8f3e7;
  font-size: 12px;
  line-height: 1.55;
}
.markdown-body code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.status-strip { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 18px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #faf8f2;
  color: #3b3d37;
  font-size: 12px;
  white-space: nowrap;
}
.badge.accent { border-color: rgba(11, 107, 87, .35); color: var(--accent); }
.badge.warn { border-color: rgba(154, 101, 0, .35); color: var(--accent-2); }
.hidden-by-filter { display: none; }
.empty-state { display: none; padding: 18px 20px; color: var(--muted); }
.empty-state.visible { display: block; }
.footer { margin-top: 28px; color: var(--muted); font-size: 12px; line-height: 1.6; }
@media (max-width: 1080px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav-group:last-child { display: none; }
  .hero-panel { grid-template-columns: 1fr; }
  .topbar { grid-template-columns: 1fr; position: sticky; }
  .tool-buttons { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .main { padding-inline: 12px; }
  .topbar { margin-inline: -12px; padding-inline: 12px; }
  .overview-copy { padding: 18px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric, .metric:nth-child(2n), .metric:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; }
  .panel-head { flex-direction: column; }
  table { min-width: 760px; font-size: 12px; }
  th, td { padding: 8px; }
  .search-row { flex-direction: column; align-items: stretch; }
  .badge { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

.visual-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 16px; padding: 16px 20px 22px; }
.visual-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fbfaf6; overflow: hidden; min-width: 0; }
.visual-card h3 { margin: 0; padding: 14px 14px 8px; font-size: 16px; letter-spacing: 0; text-wrap: balance; }
.visual-card p { margin: 0; padding: 0 14px 14px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.diagram-wrap { overflow-x: auto; padding: 12px; overscroll-behavior-x: contain; }
.diagram { width: 100%; min-width: 780px; height: auto; display: block; }
.diagram text { font-family: inherit; fill: #20221e; }
.diagram .node { fill: #fffdfa; stroke: #bdb7aa; stroke-width: 1.2; }
.diagram .node-strong { fill: #eef6f1; stroke: #0b6b57; stroke-width: 1.4; }
.diagram .node-warn { fill: #fff3d8; stroke: #9a6500; stroke-width: 1.3; }
.diagram .node-risk { fill: #faece8; stroke: #a33b2a; stroke-width: 1.2; }
.diagram .link { fill: none; stroke: #8f8a80; stroke-width: 1.2; marker-end: url(#arrow); }
.diagram .link-strong { fill: none; stroke: #0b6b57; stroke-width: 2; marker-end: url(#arrow-green); }
.diagram .label { font-size: 12px; font-weight: 700; }
.diagram .small { font-size: 10.5px; fill: #676b62; }
.diagram .lane { fill: #f2efe7; stroke: #d9d5ca; stroke-width: 1; }
.player-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 12px; padding: 16px 20px 22px; }
.player-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fbfaf6; padding: 14px; min-width: 0; }
.player-card header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.player-card h3 { margin: 0; font-size: 16px; letter-spacing: 0; }
.player-card .ticker { font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; white-space: nowrap; }
.player-card dl { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 7px 10px; margin: 0; font-size: 13px; line-height: 1.48; }
.player-card dt { color: var(--muted); }
.player-card dd { margin: 0; color: #2c2e29; overflow-wrap: anywhere; }
.player-card a { color: var(--accent); }
.chain-map { padding: 16px 20px 22px; display: grid; gap: 12px; }
.chain-row { display: grid; grid-template-columns: 150px repeat(5, minmax(120px, 1fr)); gap: 8px; align-items: stretch; }
.chain-title { display: flex; align-items: center; padding: 10px; border-radius: var(--radius); background: #ece8df; font-weight: 800; font-size: 13px; }
.chain-cell { min-height: 74px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfaf6; font-size: 12px; line-height: 1.42; position: relative; }
.chain-cell strong { display: block; margin-bottom: 5px; color: var(--ink); }
.chain-cell::after { content: '→'; position: absolute; right: -13px; top: 50%; transform: translateY(-50%); color: var(--line-strong); font-weight: 800; }
.chain-cell:last-child::after { content: ''; }
.bottleneck { border-color: rgba(11, 107, 87, .45); background: #eef6f1; }
.watch { border-color: rgba(154, 101, 0, .42); background: #fff7e8; }
.risk-node { border-color: rgba(163, 59, 42, .38); background: #faece8; }
.source-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 8px 14px; padding: 0 20px 22px; margin: 0; }
.source-list li { list-style: none; font-size: 12px; line-height: 1.45; color: var(--muted); }
.source-list a { color: var(--accent); }
.timeline { padding: 16px 20px 22px; display: grid; gap: 10px; }
.timeline-item { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; align-items: start; }
.timeline-item time { padding: 8px 10px; border-radius: var(--radius); background: #ece8df; color: var(--ink); font-size: 12px; font-weight: 800; text-align: center; font-variant-numeric: tabular-nums; }
.timeline-item div { padding: 10px 12px; border-left: 3px solid var(--accent); background: #fbfaf6; border-radius: 0 var(--radius) var(--radius) 0; font-size: 13px; line-height: 1.55; }
@media (max-width: 900px) { .visual-grid { grid-template-columns: 1fr; } .chain-row { grid-template-columns: 1fr; } .chain-cell::after { content: '↓'; right: 12px; top: auto; bottom: -17px; transform: none; } .chain-cell:last-child::after { content: ''; } }
@media (max-width: 640px) { .player-grid, .visual-grid, .chain-map, .timeline { padding-inline: 12px; } .player-card dl { grid-template-columns: 1fr; } .timeline-item { grid-template-columns: 1fr; } }

/* ---- 站点 chrome 补充（首页 / 日报）---- */
.brand a{color:inherit;text-decoration:none}
.brand a:hover{color:var(--accent)}
.lede-inline{color:var(--muted);font-size:14px;line-height:1.6;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.muted{color:var(--muted)}
.back-link{color:var(--muted);font-size:13px}
.back-link:hover{color:var(--accent)}

/* 首页深度研究卡片：标题占整行，ticker 换到下方且可换行（修复长 ticker 挤压标题） */
.player-card .card-title{margin:0 0 5px;font-size:17px;line-height:1.42;letter-spacing:0;text-wrap:balance}
.player-card .card-title a{color:var(--ink);text-decoration:none}
.player-card .card-title a:hover{color:var(--accent)}
.player-card .card-tickers{margin:0 0 9px;color:var(--accent);font-size:12.5px;
  font-variant-numeric:tabular-nums;line-height:1.5;overflow-wrap:anywhere}
.player-card .card-teaser{margin:0 0 11px;color:var(--muted);font-size:13px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}