/* 思维模型 Wiki · 视觉系统 v3
   版式沿用 lex 站：纯白纸面、墨黑字、衬线正文（Noto Serif SC）、Libre Caslon 拉丁标题、细线分隔、小号字距标签。
   每个领域一个深色主色（封面整块着色）+ 一个几何符号。
   规则：不用竖条侧边装饰，强调靠底色、字重、圆点。Pele（--pele-*）与 ECharts 由 mm.js 读同一组 token。 */
:root {
  --bg: #fff; --paper: #fff; --card: #f6f6f4; --card-hover: #efefec; --line: #e4e4e1; --line-strong: #c9c9c5;
  --text: #111; --soft: #2e2e2c; --muted: #6b6b67; --faint: #9b9b97; --red: #b3261e; --measure: 680px;
  /* 强调色（用于文字、图表、细节） */
  --d-physics: #2a4bd7; --d-biology: #1f7a4c; --d-economics: #a8700a;
  --d-psychology: #a02c76; --d-systems: #5b3fb3; --d-strategy: #c3411a; --d-game: #0b7a8c;
  /* 封面底色：两种主题下都用深色，白字可读 */
  --c-physics: #2a45b8; --c-biology: #1c6b44; --c-economics: #8f5c05;
  --c-psychology: #8a2565; --c-systems: #4c3499; --c-strategy: #ab3512; --c-game: #0a6676;
  --chart-grid: #ececea; --chart-text: #4a4a47;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", serif;
  --display: "Libre Caslon Text", "Noto Serif SC", "Songti SC", "Source Han Serif SC", "STSong", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --shadow: 0 14px 40px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.05);
  --pele-bg: var(--paper); --pele-fg: var(--text); --pele-muted: var(--muted);
  --pele-line: var(--muted); --pele-surface: color-mix(in srgb, var(--dc, var(--text)) 8%, var(--paper)); --pele-surface-alt: var(--card);
  --pele-border: color-mix(in srgb, var(--dc, var(--text)) 55%, var(--paper)); --pele-accent: var(--dc, var(--text));
  --pele-critical: var(--red); --pele-error: var(--red); --pele-radius: 6px;
  --pele-series-1: var(--d-physics); --pele-series-2: var(--d-biology); --pele-series-3: var(--d-economics);
  --pele-series-4: var(--d-psychology); --pele-series-5: var(--d-systems); --pele-series-6: var(--d-strategy);
}
@media (prefers-color-scheme: dark) { :root:not([data-theme='light']) {
  --bg: #0e0e0d; --paper: #151514; --card: #1a1a18; --card-hover: #222220; --line: #292926; --line-strong: #3d3d39;
  --text: #f2f0ea; --soft: #d8d5cd; --muted: #9b978e; --faint: #6f6c65; --red: #ff6b60; --chart-grid: #292926; --chart-text: #c9c6bd;
  --shadow: 0 14px 40px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.4);
  --d-physics: #7ba3ff; --d-biology: #5ccb90; --d-economics: #e8bb45;
  --d-psychology: #e57cc1; --d-systems: #a08cf5; --d-strategy: #ff8f63; --d-game: #4fc6d8; } }
:root[data-theme='dark'] {
  --bg: #0e0e0d; --paper: #151514; --card: #1a1a18; --card-hover: #222220; --line: #292926; --line-strong: #3d3d39;
  --text: #f2f0ea; --soft: #d8d5cd; --muted: #9b978e; --faint: #6f6c65; --red: #ff6b60; --chart-grid: #292926; --chart-text: #c9c6bd;
  --shadow: 0 14px 40px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.4);
  --d-physics: #7ba3ff; --d-biology: #5ccb90; --d-economics: #e8bb45;
  --d-psychology: #e57cc1; --d-systems: #a08cf5; --d-strategy: #ff8f63; --d-game: #4fc6d8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.8 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; }
::selection { background: color-mix(in srgb, var(--dc, var(--d-economics)) 28%, transparent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.35; font-weight: 700; letter-spacing: .01em; margin: 0; }
.label { font: 500 12px/1.4 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* 领域 token */
.dom-physics { --dc: var(--d-physics); --cv: var(--c-physics); } .dom-biology { --dc: var(--d-biology); --cv: var(--c-biology); } .dom-economics { --dc: var(--d-economics); --cv: var(--c-economics); }
.dom-psychology { --dc: var(--d-psychology); --cv: var(--c-psychology); } .dom-systems { --dc: var(--d-systems); --cv: var(--c-systems); } .dom-strategy { --dc: var(--d-strategy); --cv: var(--c-strategy); } .dom-game { --dc: var(--d-game); --cv: var(--c-game); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--dc, var(--muted)); margin-right: 7px; flex: none; }
.glyph { color: var(--dc); display: block; }
.glyph svg { width: 100%; height: 100%; display: block; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.glyph .f { fill: currentColor; stroke: none; }

/* 顶栏 */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 22px; height: 52px; }
.brand { text-decoration: none; margin-right: auto; font: 700 18px var(--display); letter-spacing: .02em; white-space: nowrap; }
.header-inner nav { display: flex; gap: 22px; font-size: 13px; letter-spacing: .06em; color: var(--muted); }
.header-inner nav a { text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; } .header-inner nav a:hover, .header-inner nav a.on { color: var(--text); border-color: var(--text); }
.chrome-btn, .theme-toggle { background: none; border: 1px solid var(--line-strong); color: var(--text); border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 13px; line-height: 1; transition: background .15s; }
.chrome-btn:hover, .theme-toggle:hover { background: var(--card); }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal[hidden] { display: none; }
.modal-box { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px 20px; max-width: 320px; width: 100%; text-align: center; position: relative; }
.modal-box h3 { margin: 0 0 14px; font-size: 18px; }
.modal-box .qr { width: 220px; max-width: 100%; height: auto; border-radius: 6px; }
.modal-note { margin: 10px 0 4px; color: var(--muted); font-size: 14px; }
.modal-links { margin: 4px 0 0; font-size: 14px; }
.modal-close { position: absolute; top: 8px; right: 10px; background: none; border: none; color: var(--muted); font-size: 15px; cursor: pointer; padding: 4px; }

/* 首页：报头 */
.masthead { text-align: center; padding: 46px 0 22px; }
.masthead .issue { font: 500 12px var(--sans); letter-spacing: .22em; color: var(--muted); margin: 0 0 14px; }
.masthead h1 { font-size: clamp(40px, 7vw, 76px); letter-spacing: .01em; line-height: 1.12; }
.masthead h1 i { font-style: italic; font-weight: 400; color: var(--muted); }
.masthead .sub { font: 500 12px var(--sans); letter-spacing: .24em; color: var(--muted); margin: 18px 0 0; }
.rule { border: 0; border-top: 2px solid var(--text); margin: 0; }
.toolbar { position: sticky; top: 52px; z-index: 10; background: var(--bg); display: flex; align-items: center; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.search { position: relative; flex: 1; min-width: 0; }
.search input { width: 100%; height: 36px; border: 0; background: none; color: var(--text); padding: 0 8px 0 28px; font: 15px var(--sans); outline: none; }
.search svg { position: absolute; left: 4px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--muted); fill: none; stroke-width: 1.8; }
.search kbd { position: absolute; right: 0; top: 50%; transform: translateY(-50%); font: 11px var(--sans); color: var(--muted); border: 1px solid var(--line-strong); border-radius: 4px; padding: 0 6px; }
.tabs { display: flex; gap: 18px; font-size: 14px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: none; color: var(--muted); text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; display: inline-flex; align-items: center; }
.tab:hover { color: var(--text); } .tab.on { color: var(--text); font-weight: 600; border-color: var(--text); }

/* 首页：头条 */
.lead { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 64px; align-items: center; padding: 56px 0 64px; border-bottom: 1px solid var(--line); }
.lead-art { position: relative; aspect-ratio: 1.25; background: var(--cv); color: #fff; border-radius: 4px; overflow: hidden; display: block; text-decoration: none; }
.lead-art .glyph { color: #fff; position: absolute; inset: 10% 12%; opacity: .9; }
.lead-art .glyph svg { stroke-width: .9; }
.lead-art .no { position: absolute; left: 22px; top: 18px; font: 500 12px var(--sans); letter-spacing: .2em; }
.lead-art .nm { position: absolute; right: 22px; bottom: 16px; font: 700 clamp(44px, 6vw, 84px)/1 var(--display); opacity: .96; }
.lead-text { text-align: center; }
.lead-text .kicker { font: 600 12px var(--sans); letter-spacing: .2em; color: var(--dc); }
.lead-text h2 { font-size: clamp(30px, 3.6vw, 44px); margin: 16px 0 10px; line-height: 1.3; }
.lead-text .en { font: italic 400 17px var(--display); color: var(--muted); }
.lead-text p { font: 400 17px/1.9 var(--serif); color: var(--soft); margin: 18px auto 0; max-width: 24em; }
.lead-text .by { font-size: 13px; color: var(--muted); margin-top: 18px; }
.btn-line { display: inline-block; margin-top: 22px; font: 600 14px var(--sans); text-decoration: none; padding: 5px 0; border-bottom: 2px solid var(--text); letter-spacing: .04em; }
.btn-line:hover { border-color: var(--dc); color: var(--dc); }

/* 首页：图谱 */
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 56px 0 18px; }
.sec-head h2 { font-size: 28px; }
.sec-head span { font: 500 12px var(--sans); color: var(--muted); letter-spacing: .08em; }
.home-graph { height: 600px; border: 1px solid var(--line); border-radius: 4px; position: relative; overflow: hidden; background: var(--paper); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 14px 2px 0; font-size: 13px; color: var(--muted); }
.legend a { text-decoration: none; display: inline-flex; align-items: center; } .legend a:hover { color: var(--text); }

/* 首页：领域分栏与卡片 */
.domain-sec { padding: 8px 0 0; scroll-margin-top: 60px; }
.domain-head { display: flex; align-items: center; gap: 22px; padding: 56px 0 20px; border-bottom: 2px solid var(--text); margin-bottom: 0; }
.domain-head .glyph { width: 56px; height: 56px; flex: none; }
.domain-head h2 { font-size: 32px; }
.domain-head p { margin: 4px 0 0; color: var(--muted); font: 400 15px var(--serif); }
.domain-head .n { margin-left: auto; font: 500 12px var(--sans); letter-spacing: .14em; color: var(--muted); white-space: nowrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); column-gap: 32px; }
.card { position: relative; display: block; text-decoration: none; padding: 22px 0 22px; border-bottom: 1px solid var(--line); transition: background .2s; }
.card .no { font: 500 11.5px var(--sans); letter-spacing: .18em; color: var(--dc); }
.card h3 { font-size: 23px; margin: 8px 0 2px; transition: color .15s; }
.card .en { font: italic 400 13.5px var(--display); color: var(--muted); }
.card p { margin: 10px 0 10px; color: var(--soft); font: 400 15px/1.75 var(--serif); }
.card .who { font-size: 12.5px; color: var(--muted); display: block; }
.card:hover h3 { color: var(--dc); }
.card .glyph { position: absolute; right: 0; top: 20px; width: 40px; height: 40px; opacity: .55; transition: transform .35s, opacity .2s; }
.card:hover .glyph { transform: rotate(10deg) scale(1.12); opacity: 1; }
.card[hidden], .domain-sec[hidden] { display: none; }
.empty { color: var(--muted); padding: 60px 0; text-align: center; font: 400 16px var(--serif); }

/* 首页：人物 */
.people-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.pcard { display: block; text-decoration: none; background: var(--card); border-radius: 4px; padding: 16px 16px 14px; transition: background .2s, transform .2s; position: relative; overflow: hidden; }
.pcard:hover { background: var(--card-hover); transform: translateY(-2px); }
.pcard .mono { white-space: nowrap; font: 700 40px/1 var(--display); color: var(--dc, var(--text)); display: block; margin-bottom: 14px; }
.pcard b { display: block; font: 700 16px var(--display); line-height: 1.35; }
.pcard span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; line-height: 1.5; }
.more { display: inline-block; margin-top: 22px; font: 600 14px var(--sans); text-decoration: none; border-bottom: 2px solid var(--text); padding: 4px 0; }
.todo { padding-left: 20px; color: var(--soft); }
.redlink { color: var(--red); border-bottom: 1px dashed var(--red); }

/* 详情页：封面 */
.cover { position: relative; overflow: hidden; background: var(--cv); color: #fff; }
.cover .glyph { position: absolute; right: max(2vw, calc(50vw - 560px - 20px)); top: 50%; width: 340px; height: 340px; margin-top: -170px; color: #fff; opacity: .2; }
.cover .glyph svg { stroke-width: .9; }
.cover-inner { position: relative; padding: 30px 0 46px; max-width: 800px; }
.crumb { font: 500 11.5px var(--sans); letter-spacing: .16em; color: rgba(255,255,255,.72); display: flex; gap: 10px; align-items: center; margin: 0 0 54px; }
.crumb a { text-decoration: none; } .crumb a:hover { color: #fff; }
.crumb .no { color: #fff; }
.cover h1 { font-size: clamp(46px, 8vw, 88px); line-height: 1.08; letter-spacing: .01em; }
.cover .en { font: italic 400 20px var(--display); color: rgba(255,255,255,.78); margin: 12px 0 0; }
.tagline { font: 600 clamp(20px, 2.6vw, 26px)/1.55 var(--serif); margin: 28px 0 0; max-width: 24em; }
.experts { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; }
.expert { display: block; text-decoration: none; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22); border-radius: 4px; padding: 8px 14px; font-size: 12.5px; line-height: 1.55; color: rgba(255,255,255,.8); max-width: 320px; transition: background .15s; }
a.expert:hover { background: rgba(255,255,255,.24); }
.expert b { display: block; color: #fff; font: 700 15px var(--serif); }
a.expert b::after { content: " →"; opacity: .6; }
.facts { display: flex; gap: 38px; margin-top: 34px; flex-wrap: wrap; }
.facts div { font: 500 11px var(--sans); letter-spacing: .16em; color: rgba(255,255,255,.7); }
.facts b { display: block; font: 700 22px/1.3 var(--display); color: #fff; letter-spacing: 0; margin-top: 2px; }

/* 详情页：正文 */
.layout { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 72px; padding-top: 40px; }
.toc { position: sticky; top: 76px; align-self: start; font-size: 13px; max-height: calc(100vh - 96px); overflow: auto; }
.toc .h { margin: 8px 0 12px; }
.toc a { display: block; padding: 6px 0; color: var(--muted); text-decoration: none; line-height: 1.5; border-bottom: 1px solid transparent; }
.toc a:hover { color: var(--text); }
.toc a.on { color: var(--text); font-weight: 600; }
.toc a i { font: 500 11px var(--sans); font-style: normal; color: var(--faint); margin-right: 10px; letter-spacing: .08em; }
.toc a.on i { color: var(--dc); }
.article { min-width: 0; padding-bottom: 90px; }
.sec { margin: 0 0 88px; }
.sec-label { font: 500 12px var(--sans); letter-spacing: .2em; color: var(--dc); margin: 0 0 12px; }
.sec h2 { font-size: clamp(26px, 3.2vw, 34px); margin: 0 0 22px; line-height: 1.4; }
.sec h2 .lv { font-family: var(--sans); letter-spacing: 0; vertical-align: .3em; margin-left: 10px; }
.prose { max-width: var(--measure); }
.caption, .src { color: var(--muted); font: 400 14.5px/1.8 var(--serif); }
.caption { margin: 14px 0 0; max-width: var(--measure); }
.figure { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 18px; overflow-x: auto; }
.chart { height: 380px; } .mini { height: 300px; padding: 0; }

/* 钩子 */
.hook-quote p { font: 500 clamp(22px, 2.8vw, 30px)/1.7 var(--serif); margin: 0; max-width: 24em; letter-spacing: .01em; }
.hook-prose p { font: 400 18px/2 var(--serif); margin: 0; max-width: var(--measure); color: var(--soft); }
.hook-prose p::first-letter { font: 700 3.6em/.82 var(--display); float: left; padding: 8px 12px 0 0; color: var(--text); }

/* 原理图：独立展板 */
.plate { --pele-surface: color-mix(in srgb, var(--dc) 9%, var(--paper)); --pele-border: color-mix(in srgb, var(--dc) 60%, var(--paper)); --pele-accent: var(--dc); --pele-line: color-mix(in srgb, var(--dc) 50%, var(--muted)); background: var(--paper); border: 1px solid var(--line-strong); border-radius: 4px; position: relative; }
.plate-bar { display: flex; justify-content: space-between; padding: 10px 18px; border-bottom: 1px solid var(--line); font: 500 11px var(--sans); letter-spacing: .2em; color: var(--muted); }
.plate-bar b { color: var(--dc); font-weight: 600; }
.plate #mermaid { padding: 26px 18px 18px; overflow-x: auto; display: flex; justify-content: center; min-height: 200px; }
.plate #mermaid svg { max-width: 100%; height: auto; }
.plate-cap { margin: 0; padding: 14px 20px 16px; border-top: 1px solid var(--line); font: 500 16px/1.8 var(--serif); color: var(--soft); background: color-mix(in srgb, var(--dc) 5%, var(--paper)); }

/* 证据 */
.ev-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; }
.ev-split .takeaway { font: 500 20px/1.85 var(--serif); margin: 0 0 16px; }
.ev-split .figure { margin: 0; }
.takeaway-wide { font: 500 20px/1.85 var(--serif); margin: 0 0 22px; max-width: 30em; }
.src { margin: 0; }

/* 演示 */
.demo-box { background: var(--paper); border: 1px solid var(--line-strong); border-radius: 4px; overflow: hidden; }
.demo-box .controls { background: var(--card); padding: 20px 24px 14px; border-bottom: 1px solid var(--line); display: grid; gap: 12px; }
.controls label { display: grid; grid-template-columns: minmax(150px, 240px) 1fr 64px; gap: 14px; align-items: center; font-size: 14px; color: var(--soft); }
.controls output { font: 600 14px var(--sans); color: var(--dc); text-align: right; font-variant-numeric: tabular-nums; }
.controls input[type=range] { width: 100%; accent-color: var(--dc, var(--text)); height: 20px; }
.demo-box .chart { border: 0; border-radius: 0; background: none; padding: 12px; }
.demo-box .takeaway { margin: 0; padding: 4px 24px 22px; font: 500 17px/1.85 var(--serif); }

/* 怎么用 */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; display: grid; gap: 0; border-top: 2px solid var(--text); }
.steps li { counter-increment: s; padding: 22px 0 22px 64px; position: relative; border-bottom: 1px solid var(--line); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 14px; font: 700 34px/1.2 var(--display); color: var(--dc); }
.steps b { display: block; font: 700 19px/1.6 var(--serif); margin-bottom: 2px; }
.steps span { color: var(--soft); font: 400 16px/1.9 var(--serif); display: block; max-width: var(--measure); }

/* 失效边界 */
.limit-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.limit { background: var(--card); border-radius: 4px; padding: 20px 22px; }
.limit .sit { font: 700 16.5px/1.6 var(--serif); margin: 0 0 14px; }
.limit .says, .limit .real { margin: 0; padding: 0 0 12px; font: 400 15px/1.8 var(--serif); }
.limit .says { color: var(--muted); border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.limit .real { padding-bottom: 0; color: var(--soft); }
.limit small { display: block; font: 600 10.5px var(--sans); letter-spacing: .2em; margin-bottom: 3px; color: var(--faint); }
.limit .real small { color: var(--red); }
.table-wrap { overflow-x: auto; }
.limits { width: 100%; border-collapse: collapse; font: 400 15px/1.75 var(--serif); }
.limits th { text-align: left; font: 600 11.5px var(--sans); letter-spacing: .14em; border-bottom: 2px solid var(--text); padding: 8px; }
.limits td { vertical-align: top; padding: 12px 8px; border-bottom: 1px solid var(--line); }

/* 关联、出处 */
.rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0 32px; margin-top: 8px; }
.rel-card { display: block; text-decoration: none; padding: 16px 0; border-bottom: 1px solid var(--line); }
.rel-card b { font: 700 19px var(--display); display: flex; align-items: center; transition: color .15s; }
a.rel-card:hover b { color: var(--dc); }
.rel-card span { display: block; color: var(--muted); font: 400 14px/1.75 var(--serif); margin-top: 3px; }
.sources ol { padding: 0; margin: 0; list-style: none; counter-reset: r; border-top: 2px solid var(--text); }
.sources li { counter-increment: r; display: grid; grid-template-columns: 32px 1fr auto; gap: 8px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--line); font: 400 15px/1.75 var(--serif); color: var(--soft); }
.sources li::before { content: counter(r); font: 500 12px var(--sans); color: var(--faint); letter-spacing: .08em; }
.sources a.go { font: 500 12.5px var(--sans); color: var(--dc); text-decoration: none; white-space: nowrap; border-bottom: 1px solid color-mix(in srgb, var(--dc) 40%, transparent); }
.sources a.go:hover { border-color: var(--dc); }
.sources a.go.find { color: var(--muted); border-color: var(--line-strong); }
.lv { font: 600 11px var(--sans); padding: 1px 8px; border-radius: 999px; white-space: nowrap; letter-spacing: .02em; margin-left: 6px; }
.lv-verified { background: rgba(31,122,76,.14); color: var(--d-biology); }
.lv-secondary { background: rgba(168,112,10,.14); color: var(--d-economics); }
.lv-draft { background: rgba(179,38,30,.12); color: var(--red); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 12px; border-top: 2px solid var(--text); }
.pager a { display: block; text-decoration: none; padding: 20px 0; border-bottom: 1px solid var(--line); }
.pager a:last-child { text-align: right; }
.pager small { font: 500 11px var(--sans); letter-spacing: .2em; color: var(--muted); }
.pager b { display: block; font: 700 22px var(--display); margin-top: 4px; transition: color .15s; }
.pager a:hover b { color: var(--dc); }

/* 人物页 */
.pcover { background: var(--cv); color: #fff; position: relative; overflow: hidden; }
.pcover .big { position: absolute; right: max(2vw, calc(50vw - 560px)); bottom: -60px; font: 700 clamp(220px, 34vw, 420px)/1 var(--display); opacity: .12; letter-spacing: -.02em; pointer-events: none; white-space: nowrap; }
.pcover .cover-inner { padding-bottom: 54px; }
.pcover h1 { font-size: clamp(44px, 8vw, 84px); }
.pcover .epi { font: 500 clamp(18px, 2.4vw, 24px)/1.6 var(--serif); margin: 22px 0 0; max-width: 24em; }
.pmeta { display: flex; flex-wrap: wrap; gap: 8px 12px; margin-top: 24px; font-size: 13px; color: rgba(255,255,255,.82); }
.pmeta span { border: 1px solid rgba(255,255,255,.3); padding: 2px 10px; border-radius: 99px; }
.pbody { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 72px; padding-top: 56px; padding-bottom: 90px; }
.pstory p { font: 400 18px/2.05 var(--serif); margin: 0 0 1.2em; color: var(--soft); max-width: var(--measure); }
.pstory p:first-child::first-letter { font: 700 3.6em/.82 var(--display); float: left; padding: 8px 12px 0 0; color: var(--text); }
.pstory h2 { font-size: 26px; margin: 56px 0 16px; }
.facts-list { display: grid; gap: 0; border-top: 2px solid var(--text); margin-bottom: 8px; }
.facts-list div { padding: 16px 0; border-bottom: 1px solid var(--line); font: 400 16.5px/1.9 var(--serif); }
.facts-list b { display: block; font: 600 11px var(--sans); letter-spacing: .2em; color: var(--dc); margin-bottom: 4px; }
.timeline { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--text); }
.timeline li { display: grid; grid-template-columns: 78px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); font: 400 16px/1.85 var(--serif); }
.timeline li b { font: 700 18px var(--display); color: var(--dc); font-variant-numeric: tabular-nums; }
.aside { position: sticky; top: 76px; align-self: start; }
.aside h3 { font: 600 11px var(--sans); letter-spacing: .2em; color: var(--muted); margin: 0 0 10px; }
.aside .blk { margin-bottom: 36px; }
.mlink { display: block; text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--line); }
.mlink b { font: 700 18px var(--display); display: flex; align-items: center; transition: color .15s; } .mlink:hover b { color: var(--dc); }
.mlink span { display: block; font: 400 13.5px/1.7 var(--serif); color: var(--muted); margin-top: 2px; }
.works { margin: 0; padding: 0; list-style: none; font: 400 15px/1.8 var(--serif); }
.works li { padding: 8px 0; border-bottom: 1px solid var(--line); } .works em { font: 500 12px var(--sans); color: var(--muted); font-style: normal; margin-left: 6px; }
.people-index .grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.site-footer { border-top: 1px solid var(--line); padding: 30px 0 52px; color: var(--muted); font: 400 13px/1.8 var(--serif); }
.footer-links { display: flex; gap: 20px; margin-top: 8px; font-family: var(--sans); }
.footer-links a { color: var(--muted); }

/* 可玩演示 */
.play { padding: 24px 26px 8px; }
.pl-intro { margin: 0 0 20px; color: var(--soft); font: 400 16px/1.9 var(--serif); }
.play .controls { background: none; padding: 0 0 12px; border: 0; }
.pl-btns { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 4px; }
.pl-btn { font: 600 15px var(--sans); padding: 10px 24px; border-radius: 2px; border: 1px solid var(--text); background: var(--paper); color: var(--text); cursor: pointer; transition: transform .15s, background .15s, color .15s, opacity .15s; letter-spacing: .04em; }
.pl-btn:hover:not(:disabled) { background: var(--text); color: var(--bg); }
.pl-btn.go { background: var(--text); color: var(--bg); }
.pl-btn.go:hover:not(:disabled) { background: var(--dc); border-color: var(--dc); color: #fff; }
.pl-btn:disabled { opacity: .35; cursor: default; }
.pl-dark { background: #0c0c0e; }
.pl-canvas { display: block; width: 100%; border-radius: 3px; background: var(--card); }
.pl-stat { display: flex; flex-wrap: wrap; gap: 4px 30px; margin: 16px 0 0; font: 400 13px var(--sans); color: var(--muted); align-items: baseline; }
.pl-stat b { font: 700 28px var(--display); color: var(--text); margin-right: 6px; font-variant-numeric: tabular-nums; }
.pl-stat .trail { flex-basis: 100%; font: 12px var(--sans); color: var(--faint); font-variant-numeric: tabular-nums; }
.pl-msg { min-height: 28px; margin: 14px 0 8px; font: 600 18px/1.7 var(--serif); }
.pl-msg.hot { color: var(--dc); } .pl-msg.cold { color: var(--muted); }
.play-box .takeaway { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 14px; }
.pl-prog { display: flex; gap: 6px; align-items: center; margin-bottom: 20px; }
.pl-prog i { width: 28px; height: 4px; background: var(--line-strong); } .pl-prog i.done { background: var(--dc); opacity: .5; } .pl-prog i.cur { background: var(--dc); }
.pl-prog span { margin-left: 8px; font: 500 12px var(--sans); letter-spacing: .1em; color: var(--muted); }
.pl-result .pl-big { font: 700 64px/1.1 var(--display); color: var(--dc); margin: 0; } .pl-result .pl-big small { display: block; font: 500 12px var(--sans); letter-spacing: .16em; color: var(--muted); margin-top: 4px; }
.pl-result h3 { font-size: 24px; margin: 18px 0 6px; } .pl-result p { margin: 0 0 14px; color: var(--soft); font: 400 16px/1.9 var(--serif); }
.pl-gauge { position: relative; height: 70px; margin: 24px 8px 14px; }
.pl-gauge .bar { position: absolute; left: 0; right: 0; top: 24px; height: 6px; background: linear-gradient(90deg, color-mix(in srgb, var(--dc) 15%, var(--line)), var(--dc)); }
.pl-gauge .mk { position: absolute; transform: translateX(-50%); font: 600 11.5px var(--sans); white-space: nowrap; text-align: center; letter-spacing: .06em; }
.pl-gauge .mk i { display: block; width: 3px; margin: 0 auto 2px; }
.pl-gauge .ref { top: 38px; color: var(--muted); } .pl-gauge .ref i { background: var(--muted); height: 22px; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); margin: 0; }
.pl-gauge .you { top: 0; color: var(--text); } .pl-gauge .you i { background: var(--text); width: 4px; height: 38px; }
.pl-tbl { width: 100%; border-collapse: collapse; font: 400 14px var(--sans); margin: 4px 0 8px; }
.pl-tbl th { text-align: left; font: 600 11px var(--sans); letter-spacing: .12em; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line-strong); }
.pl-tbl td { padding: 8px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; } .pl-tbl tr.no td { color: var(--muted); }
.pl-note { font-size: 12.5px !important; color: var(--muted) !important; }

/* 首页图谱悬停预览卡 */
.preview { position: absolute; left: 16px; top: 16px; width: 280px; padding: 20px 22px 18px; border-radius: 4px; background: var(--paper); border: 1px solid var(--line-strong); box-shadow: var(--shadow); pointer-events: none; opacity: 0; transform: translateY(6px); transition: opacity .18s, transform .18s; z-index: 3; overflow: hidden; }
.preview.on { opacity: 1; transform: none; }
.preview .glyph { position: absolute; right: -22px; top: -22px; width: 110px; height: 110px; opacity: .16; }
.preview .no { font: 600 11px var(--sans); letter-spacing: .18em; color: var(--dc); position: relative; }
.preview h4 { margin: 8px 0 0; font-size: 28px; position: relative; }
.preview .en { font: italic 400 13px var(--display); color: var(--muted); position: relative; }
.preview p { margin: 12px 0 0; font: 500 15px/1.7 var(--serif); position: relative; }
.preview .rel { margin: 12px 0 0; font: 400 12.5px/1.7 var(--sans); color: var(--muted); position: relative; }
.preview .go { display: block; margin-top: 12px; font: 600 12.5px var(--sans); color: var(--dc); position: relative; letter-spacing: .04em; }

@media (max-width: 960px) {
  .lead { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 44px; }
  .layout, .pbody { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
  .aside { position: static; margin-top: 56px; }
  .cover .glyph { width: 220px; height: 220px; margin-top: -110px; right: -40px; opacity: .13; }
}
@media (max-width: 680px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .masthead { padding-top: 30px; }
  .toolbar { flex-wrap: wrap; gap: 8px 16px; } .search { flex-basis: 100%; }
  .header-inner nav { display: none; }
  .home-graph { height: 400px; } .preview { display: none; }
  .domain-head { gap: 14px; flex-wrap: wrap; } .domain-head .glyph { width: 44px; height: 44px; } .domain-head .n { display: none; }
  .ev-split, .limit-cards, .pager { grid-template-columns: 1fr; }
  .controls label { grid-template-columns: 1fr 56px; } .controls label span { grid-column: 1 / -1; }
  .chart { height: 300px; }
  .sec { margin-bottom: 60px; }
  .hook-prose p, .pstory p { font-size: 17px; }
  .hook-prose p::first-letter, .pstory p:first-child::first-letter { font-size: 2.8em; padding: 4px 8px 0 0; }
  .play { padding: 18px 16px 6px; } .pl-coin b { font-size: 24px; }
  .sources li { grid-template-columns: 26px 1fr; } .sources li a.go { grid-column: 2; }
  .steps li { padding-left: 48px; } .steps li::before { font-size: 28px; }
}

/* 测测你：舞台、硬币、账户 */
.pl-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.pl-bal small { display: block; font: 500 11px var(--sans); letter-spacing: .18em; color: var(--muted); }
.pl-bal b { font: 700 34px/1.1 var(--display); font-variant-numeric: tabular-nums; }
.pl-top .pl-prog { margin: 0; }
.pl-stage { display: flex; align-items: stretch; gap: 0; height: 168px; position: relative; perspective: 700px; }
.pl-stage .side { display: flex; flex-direction: column; justify-content: space-between; padding: 16px 22px; min-width: 130px; transition: flex .4s; }
.pl-stage .side small { font: 600 11px var(--sans); letter-spacing: .16em; opacity: .8; }
.pl-stage .side b { font: 700 40px/1 var(--display); font-variant-numeric: tabular-nums; }
.pl-stage .side em { font: 500 12px var(--sans); font-style: normal; opacity: .7; }
.pl-stage .win { background: color-mix(in srgb, var(--d-biology) 15%, var(--paper)); color: var(--d-biology); border-radius: 4px 0 0 4px; }
.pl-stage .lose { background: color-mix(in srgb, var(--red) 11%, var(--paper)); color: var(--red); text-align: right; align-items: flex-end; border-radius: 0 4px 4px 0; }
.coin { position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; margin: -38px 0 0 -38px; transform-style: preserve-3d; animation: coin-idle 3.2s ease-in-out infinite; z-index: 2; }
.coin .face { position: absolute; inset: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; font: 700 28px var(--display); backface-visibility: hidden; box-shadow: inset 0 0 0 4px rgba(255,255,255,.35), 0 8px 18px rgba(0,0,0,.25); }
.coin .f { background: linear-gradient(135deg, #f5d36b, #c79212); color: #5a3d00; }
.coin .b { background: linear-gradient(135deg, #d9dde2, #8b929c); color: #333a44; transform: rotateY(180deg); }
.coin.flip-win { animation: coin-win 1.2s cubic-bezier(.3,.6,.4,1) forwards; } .coin.flip-lose { animation: coin-lose 1.2s cubic-bezier(.3,.6,.4,1) forwards; }
@keyframes coin-idle { 0%,100% { transform: translateY(0) rotateY(0); } 50% { transform: translateY(-5px) rotateY(24deg); } }
@keyframes coin-win { 0% { transform: translateY(0) rotateY(0); } 45% { transform: translateY(-70px) rotateY(900deg); } 100% { transform: translateY(0) rotateY(1800deg); } }
@keyframes coin-lose { 0% { transform: translateY(0) rotateY(0); } 45% { transform: translateY(-70px) rotateY(900deg); } 100% { transform: translateY(0) rotateY(1980deg); } }
.pl-verdict { min-height: 56px; margin: 18px 0 0; font: 500 16.5px/1.8 var(--serif); color: var(--soft); }
.pl-verdict b { font: 700 20px var(--display); }
.pl-verdict.won { color: var(--d-biology); } .pl-verdict.lost { color: var(--red); } .pl-verdict.calm { color: var(--muted); }
.pl-score { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0 0; }
.pl-score > div { background: var(--card); border-radius: 4px; padding: 14px 18px; }
.pl-score b { display: block; font: 700 32px/1.2 var(--display); font-variant-numeric: tabular-nums; }
.pl-score b.up { color: var(--d-biology); } .pl-score b.dn { color: var(--red); }
.pl-score span { font: 400 13px var(--sans); color: var(--muted); }
/* 跑一千次：虚构封面 */
.pl-cover { position: relative; margin: 6px 0 14px; padding: 22px 24px; background: #111; color: #fff; border-radius: 3px; max-width: 520px; overflow: hidden; }
.pl-cover::after { content: ""; position: absolute; right: -30px; top: -30px; width: 130px; height: 130px; border-radius: 50%; background: var(--dc); opacity: .85; }
.pl-cover small { display: block; font: 600 11px var(--sans); letter-spacing: .24em; color: rgba(255,255,255,.7); position: relative; z-index: 1; }
.pl-cover b { display: block; font: 700 28px/1.3 var(--display); margin: 10px 0 8px; max-width: 12em; position: relative; z-index: 1; }
.pl-cover span { font: 400 15px var(--serif); color: rgba(255,255,255,.85); position: relative; z-index: 1; }
.pl-cover em { display: block; margin-top: 14px; font: 400 11.5px var(--sans); font-style: normal; color: rgba(255,255,255,.55); position: relative; z-index: 1; }
.pl-msg p { margin: 0; font: 600 18px/1.8 var(--serif); }
.pl-stat b.hot { color: var(--dc); }
@media (max-width: 680px) { .pl-stage { height: 150px; } .pl-stage .side { min-width: 100px; padding: 12px 14px; } .pl-stage .side b { font-size: 30px; } .coin { width: 60px; height: 60px; margin: -30px 0 0 -30px; } .pl-score { grid-template-columns: 1fr; } }

/* 练一练 */
.drill { padding: 24px 26px 22px; }
.dr-prog { display: flex; gap: 6px; align-items: center; margin-bottom: 18px; }
.dr-prog i { width: 28px; height: 4px; background: var(--line-strong); } .dr-prog i.done { background: var(--dc); opacity: .5; } .dr-prog i.cur { background: var(--dc); }
.dr-prog span { margin-left: 8px; font: 500 12px var(--sans); letter-spacing: .1em; color: var(--muted); }
.dr-scene { margin: 0 0 14px; padding: 16px 20px; background: var(--card); border-radius: 4px; font: 400 17px/1.95 var(--serif); color: var(--soft); }
.dr-ask { margin: 0 0 14px; font: 700 18px/1.7 var(--serif); }
.dr-opts { display: grid; gap: 10px; }
.dr-opt { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; text-align: left; padding: 13px 16px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--paper); color: var(--text); font: 400 16px/1.75 var(--serif); cursor: pointer; transition: border-color .15s, background .15s, opacity .2s; }
.dr-opt b { font: 700 15px var(--display); color: var(--muted); }
.dr-opt:hover:not(:disabled) { border-color: var(--dc); background: color-mix(in srgb, var(--dc) 6%, var(--paper)); }
.dr-opt:disabled { cursor: default; }
.dr-opt.ok { border-color: var(--d-biology); background: color-mix(in srgb, var(--d-biology) 12%, var(--paper)); } .dr-opt.ok b { color: var(--d-biology); }
.dr-opt.no { border-color: var(--red); background: color-mix(in srgb, var(--red) 9%, var(--paper)); } .dr-opt.no b { color: var(--red); }
.dr-opt.dim { opacity: .5; }
.dr-ex { margin-top: 16px; padding: 16px 20px; border-top: 2px solid var(--text); font: 400 16px/1.9 var(--serif); color: var(--soft); }
.dr-ex p { margin: 0 0 12px; }
.dr-verdict { font: 700 17px var(--display) !important; } .dr-verdict.ok { color: var(--d-biology); } .dr-verdict.no { color: var(--red); }
.dr-result { text-align: center; padding: 28px 0 14px; } .dr-big { font: 700 64px/1.1 var(--display); color: var(--dc); margin: 0; }
.dr-result p { margin: 8px 0 18px; font: 500 17px/1.8 var(--serif); }
@media (max-width: 680px) { .drill { padding: 18px 16px; } .dr-scene { font-size: 16px; padding: 14px 16px; } }

/* 博弈类可玩演示：对战 / 牧场 / 拍卖 */
.pl-mx { border-collapse: collapse; margin: 4px 0 6px; font: 400 14px var(--sans); }
.pl-mx th { font: 600 12px var(--sans); color: var(--muted); letter-spacing: .08em; padding: 8px 14px; text-align: left; }
.pl-mx td { border: 1px solid var(--line-strong); padding: 8px 18px; text-align: center; font-variant-numeric: tabular-nums; color: var(--muted); }
.pl-mx td b { color: var(--text); font: 700 17px var(--display); }
.pl-opps { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 18px 0 6px; }
.pl-opps .opp { display: grid; grid-template-columns: 38px 1fr; gap: 2px 12px; align-items: center; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 14px 16px; cursor: pointer; font: inherit; color: var(--text); transition: background .15s, border-color .15s; }
.pl-opps .opp:hover { background: var(--card-hover); border-color: var(--dc); }
.pl-opps .opp i { grid-row: 1 / 3; width: 38px; height: 38px; border-radius: 50%; background: var(--dc); color: #fff; display: grid; place-items: center; font: 700 17px var(--display); font-style: normal; }
.pl-opps .opp b { font: 700 16px var(--sans); } .pl-opps .opp span { font: 400 12.5px var(--sans); color: var(--muted); }
.pl-opps .opp.played { opacity: .75; } .pl-opps .opp.played i { background: var(--muted); }
.pl-hist { display: grid; gap: 8px; margin: 4px 0 8px; }
.pl-hist > div { display: flex; gap: 6px; align-items: center; min-height: 30px; flex-wrap: wrap; }
.pl-hist small { width: 44px; font: 500 11px var(--sans); letter-spacing: .12em; color: var(--muted); }
.pl-hist i { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 3px; font: 600 12px var(--sans); font-style: normal; }
.pl-hist i.c { background: color-mix(in srgb, var(--d-biology) 16%, var(--paper)); color: var(--d-biology); }
.pl-hist i.d { background: color-mix(in srgb, var(--red) 12%, var(--paper)); color: var(--red); }
.pl-tbl tr.you td { font-weight: 700; color: var(--dc); }
.pl-grass { margin: 6px 0 8px; } .pl-grass small { font: 500 11px var(--sans); letter-spacing: .14em; color: var(--muted); }
.pl-grass > div { height: 10px; background: var(--line); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.pl-grass > div i { display: block; height: 100%; background: var(--d-biology); transition: width .4s; } .pl-grass.low > div i { background: var(--red); }
.pl-spark { display: block; width: 100%; height: 100px; margin: 4px 0 6px; } .pl-spark line { stroke: var(--line-strong); stroke-width: 1; } .pl-spark polyline { fill: none; stroke: var(--d-biology); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.pl-step { display: flex; align-items: center; gap: 14px; margin: 14px 0 0; font: 400 15px var(--sans); color: var(--soft); flex-wrap: wrap; }
.pl-step button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--text); background: var(--paper); color: var(--text); font: 600 20px/1 var(--sans); cursor: pointer; }
.pl-step button:hover { background: var(--text); color: var(--bg); }
.pl-step b { font: 700 34px/1 var(--display); min-width: 1.4em; text-align: center; font-variant-numeric: tabular-nums; }
.pl-est { background: var(--card); border-radius: 4px; padding: 16px 20px; margin: 4px 0 16px; }
.pl-est small { display: block; font: 500 11px var(--sans); letter-spacing: .16em; color: var(--muted); }
.pl-est b { font: 700 44px/1.2 var(--display); color: var(--dc); font-variant-numeric: tabular-nums; } .pl-est span { display: block; font: 400 13px var(--sans); color: var(--muted); }
.pl-bid label { display: grid; grid-template-columns: 70px 1fr 60px; align-items: center; gap: 12px; font: 400 14px var(--sans); color: var(--soft); }
.pl-bid output { font: 700 22px var(--display); text-align: right; font-variant-numeric: tabular-nums; }
.pl-bal b.up, .pl-tbl td.up { color: var(--d-biology); } .pl-bal b.dn, .pl-tbl td.dn, .pl-result .pl-big.neg { color: var(--red); }