/* 视觉语言：暖象牙底色、深墨文字、陶土橙点缀、衬线标题、大留白 */
:root {
  --bg: #faf9f5;
  --panel: #ffffff;
  --panel-2: #f0eee6;
  --border: #e8e6dc;
  --text: #141413;
  --muted: #73726c;
  --accent: #d97757;
  --accent-soft: #f5e6de;
  --up: #bf4d43;      /* 红涨 */
  --down: #5f7d48;    /* 绿跌 */
  --warn: #b8862d;
  --band: rgba(217, 119, 87, 0.09);
  --serif: "Tiempos Headline", "Source Serif 4", "Source Serif Pro", "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  --sans: "Styrene B", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141413; --panel: #1f1e1d; --panel-2: #2a2927; --border: #34322f;
    --text: #faf9f5; --muted: #b0aea5; --accent: #d97757; --accent-soft: #3a2a23;
    --up: #e2756a; --down: #9bb57e; --warn: #d9a94e; --band: rgba(217, 119, 87, .12);
  }
}
:root[data-theme="dark"] {
  --bg: #141413; --panel: #1f1e1d; --panel-2: #2a2927; --border: #34322f;
  --text: #faf9f5; --muted: #b0aea5; --accent: #d97757; --accent-soft: #3a2a23;
  --up: #e2756a; --down: #9bb57e; --warn: #d9a94e; --band: rgba(217, 119, 87, .12);
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 var(--sans);
  font-variant-numeric: tabular-nums;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(32px, 4.2vw, 52px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 12px; text-wrap: balance; }
h2 { font-family: var(--serif); font-weight: 500; font-size: 22px; letter-spacing: -0.01em; margin: 0 0 16px; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 8px; }
h1 .tag { vertical-align: middle; font-family: var(--sans); letter-spacing: 0; }
h1 + .muted, main > div > h1 + .muted { font-size: 17px; max-width: 760px; text-wrap: pretty; }

.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 36px;
  padding: 0 40px; height: 68px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.brand { font-family: var(--serif); font-weight: 600; font-size: 20px; letter-spacing: -0.01em; white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.brand::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.topbar nav { display: flex; gap: 28px; overflow-x: auto; }
.topbar nav a { padding: 6px 0; color: var(--muted); white-space: nowrap; border-bottom: 1.5px solid transparent; }
.topbar nav a.active { color: var(--text); border-bottom-color: var(--text); }
.topbar nav a:hover { color: var(--text); }
.status { margin-left: auto; color: var(--muted); font-size: 13px; white-space: nowrap; }

main { max-width: 1240px; margin: 0 auto; padding: 56px 40px 40px; }
.foot { max-width: 1240px; margin: 40px auto 0; padding: 28px 40px 56px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
.loading { padding: 100px; text-align: center; color: var(--muted); font-family: var(--serif); font-size: 20px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g-side { grid-template-columns: 2fr 1fr; }
.mt { margin-top: 24px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }

.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; margin-top: 36px; border-top: 1px solid var(--text); border-bottom: 1px solid var(--border); }
.kpi { padding: 20px 20px 20px 0; }
.kpi + .kpi { padding-left: 20px; border-left: 1px solid var(--border); }
.kpi .l { color: var(--muted); font-size: 13px; }
.kpi .v { font-family: var(--serif); font-size: 30px; font-weight: 500; line-height: 1.2; margin-top: 6px; letter-spacing: -0.01em; }
.kpi .s { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.panel .kpis { margin-top: 20px; border-top-color: var(--border); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 12.5px; padding-top: 8px; padding-bottom: 10px; border-bottom-color: var(--text); }
td.num, th.num { text-align: right; }
tbody tr:hover { background: color-mix(in srgb, var(--panel-2) 55%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td a b { font-weight: 600; font-size: 15px; }
.table-wrap { overflow-x: auto; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; background: var(--panel-2); color: var(--muted); font-weight: 400; }
.sig { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 500; border: 1px solid transparent; }
.sig.wide { color: var(--up); border-color: color-mix(in srgb, var(--up) 45%, transparent); }
.sig.narrow { color: var(--down); border-color: color-mix(in srgb, var(--down) 50%, transparent); }
.sig.flat { color: var(--muted); border-color: var(--border); }
.up { color: var(--up); } .down { color: var(--down); } .warn { color: var(--warn); }

.grade { display: inline-block; min-width: 24px; text-align: center; padding: 1px 7px; border-radius: 6px; font-weight: 600; font-size: 12.5px; }
.grade.gA { background: var(--text); color: var(--bg); }
.grade.gB { background: var(--accent); color: #fff; }
.grade.gC { background: var(--panel-2); color: var(--text); }
.grade.gD { background: transparent; color: var(--muted); border: 1px solid var(--border); }
tr.dim-row td { opacity: .55; }

.pbar { position: relative; width: 90px; height: 4px; border-radius: 2px; background: var(--panel-2); display: inline-block; vertical-align: middle; }
.pbar i { position: absolute; top: -4px; width: 4px; height: 12px; border-radius: 2px; background: var(--accent); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: transparent; color: var(--muted); padding: 6px 16px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 13.5px; transition: all .15s; }
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }

button.btn, .btn { display: inline-block; border: 1px solid var(--border); background: transparent; color: var(--text); padding: 8px 18px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 14px; transition: all .15s; }
.btn:hover { border-color: var(--text); color: var(--text); }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
input, select, textarea { font: inherit; font-size: 14px; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { width: 100%; min-height: 64px; resize: vertical; }
input[type=number] { width: 90px; }
label { color: var(--muted); font-size: 13.5px; }

.chart { width: 100%; height: 360px; }
.chart.sm { height: 280px; }

/* 维度卡片 */
.dim { border-radius: 16px; padding: 24px; background: var(--panel-2); }
.dim header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.dim header h3 { margin: 0; font-family: var(--serif); font-size: 19px; font-weight: 500; }
.dim .tag { background: var(--panel); }
.dim .logic { font-size: 13.5px; color: var(--muted); border-left: 2px solid var(--accent); padding: 2px 0 2px 12px; margin: 14px 0; }
.dim .logic b { color: var(--text); font-weight: 600; }
.ind { display: grid; grid-template-columns: 1fr 140px; gap: 8px; align-items: center; font-size: 13.5px; margin: 6px 0; }
.ind input { width: 100%; background: var(--panel); }
.dim textarea { background: var(--panel); }
.score { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; margin-left: auto; background: var(--panel); }
.score button { border: 0; background: transparent; color: var(--muted); padding: 4px 10px; cursor: pointer; font: inherit; font-size: 12.5px; }
.score button.on.n { background: var(--down); color: #fff; }
.score button.on.z { background: var(--text); color: var(--bg); }
.score button.on.p { background: var(--up); color: #fff; }

/* 产业链 */
.chain { display: flex; align-items: stretch; overflow-x: auto; padding: 4px 0; }
.stage { display: flex; flex-direction: column; gap: 10px; justify-content: center; min-width: 140px; }
.arrow { display: flex; align-items: center; padding: 0 16px; color: var(--accent); font-size: 20px; }
.node { border-radius: 12px; padding: 12px 14px; background: var(--panel-2); min-width: 130px; }
.node b { display: block; font-family: var(--serif); font-size: 16px; font-weight: 500; }
.node span { font-size: 12.5px; }
.stage-label { font-size: 12px; color: var(--muted); text-align: center; letter-spacing: .08em; }

.legs td { padding: 10px 12px; }
.note { font-size: 13px; color: var(--muted); line-height: 1.75; max-width: 980px; }
.note b { color: var(--text); font-weight: 600; }
.toast { position: fixed; bottom: 28px; right: 28px; background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 999px; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }
.method p, .method li { line-height: 1.85; font-size: 15.5px; max-width: 860px; }
.method li { margin-bottom: 8px; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 13px; }
.err { color: var(--up); padding: 12px; }

@media (max-width: 1000px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .kpi:nth-child(3n+1) { padding-left: 0; border-left: 0; }
  .kpi:nth-child(n+4) { border-top: 1px solid var(--border); }
  .g2, .g3, .g-side { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  main { padding: 32px 16px; }
  .topbar { padding: 0 16px; gap: 16px; height: 56px; }
  .topbar nav { gap: 18px; }
  .foot { padding: 24px 16px 40px; }
  .status { display: none; }
  .panel { padding: 18px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi, .kpi + .kpi { padding: 14px 12px 14px 0; border-left: 0; border-top: 0; }
  .kpi:nth-child(n+3) { border-top: 1px solid var(--border); }
  .ind { grid-template-columns: 1fr; }
}
.topbar nav { scrollbar-width: none; }
.topbar nav::-webkit-scrollbar { display: none; }