/* =========================================================
   人心研究室 · MIND SCOPE
   浅色学术风格样式表
   ========================================================= */

:root {
  --bg:          #f8f7f4;
  --bg-tint:     #f1f3f1;
  --surface:     #ffffff;
  --surface-2:   #fbfaf7;
  --ink:         #1a2430;
  --ink-2:       #3d4954;
  --ink-soft:    #66717b;
  --ink-faint:   #929aa1;
  --line:        #e2e0d9;
  --line-soft:   #eceae4;
  --primary:     #1d5b6b;
  --primary-d:   #144453;
  --primary-l:   #e6efee;
  --accent:      #c0663f;
  --accent-l:    #f8ece5;
  --sage:        #7c9085;
  --red:         #c0392b;
  --blue:        #1b5e9e;
  --green:       #1e7a4b;
  --yellow:      #a8760a;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(26,36,48,.04), 0 4px 16px rgba(26,36,48,.045);
  --shadow-md: 0 12px 40px rgba(26,36,48,.10);
  --radius: 3px;
  --wrap: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.35; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
kbd {
  font-family: var(--mono); font-size: .72em; line-height: 1;
  padding: 3px 5px; border: 1px solid var(--line); border-radius: 3px;
  background: var(--surface-2); color: var(--ink-soft);
}
[hidden] { display: none !important; }
::selection { background: #cfe0de; color: var(--primary-d); }

.wrap { width: min(var(--wrap), calc(100% - 56px)); margin-inline: auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(248,247,244,.92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(26,36,48,.06); }
.header-inner { height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 38px; height: 38px; color: var(--primary); }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-size: 18px; letter-spacing: .08em; }
.brand-text small { font-family: var(--mono); font-size: 8.5px; letter-spacing: .13em; color: var(--ink-faint); margin-top: 3px; }

.main-nav { display: flex; align-items: center; gap: 1px; margin-left: auto; }
.main-nav a {
  position: relative; padding: 8px 9px; font-size: 12.5px; color: var(--ink-2);
  white-space: nowrap; transition: color .2s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 9px; right: 9px; bottom: 2px; height: 1px;
  background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.main-nav a:hover, .main-nav a.is-active { color: var(--primary); }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.search-trigger {
  display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 11px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink-soft); font-size: 12.5px; transition: all .2s;
}
.search-trigger:hover { border-color: var(--primary); color: var(--primary); }
.search-trigger svg { width: 15px; height: 15px; }
.search-trigger kbd { padding: 2px 5px; font-size: 10px; }
.menu-trigger { display: none; width: 36px; height: 36px; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 8px; }
.menu-trigger span { display: block; height: 1.5px; background: var(--ink); margin: 4px 0; transition: transform .25s, opacity .25s; }
.menu-trigger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-trigger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-trigger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- Search panel ---------- */
.search-panel { border-top: 1px solid var(--line-soft); background: var(--surface); padding: 22px 0 26px; box-shadow: 0 12px 30px rgba(26,36,48,.06); }
.search-box { display: flex; align-items: center; gap: 14px; border-bottom: 1.5px solid var(--primary); padding-bottom: 12px; }
.search-box svg { width: 22px; height: 22px; color: var(--primary); flex: none; }
.search-box input { flex: 1; border: 0; outline: 0; background: none; font-size: 18px; font-family: var(--serif); }
.search-box input::placeholder { color: var(--ink-faint); font-family: var(--sans); font-size: 14px; }
.search-box button { border: 1px solid var(--line); background: var(--surface-2); border-radius: 3px; font-family: var(--mono); font-size: 10px; color: var(--ink-soft); padding: 5px 8px; }
.search-box button:hover { border-color: var(--accent); color: var(--accent); }
.search-hint { margin-top: 14px; font-size: 12px; color: var(--ink-faint); }
.search-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 18px; }
.search-results:empty { margin-top: 0; }
.search-hit {
  display: block; text-align: left; padding: 11px 14px; background: var(--surface-2);
  border: 1px solid var(--line-soft); border-radius: var(--radius); transition: all .18s;
}
.search-hit:hover { border-color: var(--primary); background: var(--primary-l); transform: translateX(3px); }
.search-hit .hit-top { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.search-hit .hit-tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; color: var(--accent); text-transform: uppercase; }
.search-hit .hit-title { font-size: 14px; font-weight: 600; }
.search-hit .hit-desc { font-size: 12px; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-noresult { grid-column: 1 / -1; padding: 18px 0; color: var(--ink-soft); font-size: 13px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fbfaf7 0%, var(--bg) 100%); }
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent, #000 40%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, #000 100%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; gap: 60px; align-items: center; padding: 92px 0 74px; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: .12em; color: var(--primary); margin-bottom: 26px; }
.eyebrow-line { width: 34px; height: 1px; background: var(--accent); }
.hero h1 { font-family: var(--serif); font-size: clamp(38px, 4.6vw, 62px); line-height: 1.32; letter-spacing: .01em; font-weight: 600; }
.hero h1 em { font-style: normal; color: var(--primary); background: linear-gradient(transparent 66%, #dbe8e6 66%, #dbe8e6 88%, transparent 88%); }
.hero-lede { max-width: 570px; margin-top: 28px; font-size: 15px; line-height: 1.95; color: var(--ink-2); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 44px; padding: 0 22px; border-radius: var(--radius); border: 1px solid transparent;
  font-size: 13.5px; font-weight: 500; transition: all .2s ease; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(29,91,107,.22); }
.btn-ghost { border-color: var(--line); background: var(--surface); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary-l); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.hero-stats { display: flex; gap: 0; margin-top: 52px; border-top: 1px solid var(--line); padding-top: 22px; max-width: 560px; }
.hero-stats > div { flex: 1; padding-left: 20px; border-left: 1px solid var(--line); }
.hero-stats > div:first-child { padding-left: 0; border-left: 0; }
.hero-stats strong { display: block; font-family: var(--serif); font-size: 27px; line-height: 1.2; color: var(--primary); font-weight: 600; }
.hero-stats span { font-size: 11.5px; color: var(--ink-soft); letter-spacing: .04em; }

.hero-visual { display: flex; flex-direction: column; align-items: center; }
.mind-net { width: min(100%, 440px); height: auto; }
.net-label { font-family: var(--mono); font-size: 9px; letter-spacing: .22em; fill: #fff; }
.hero-caption { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; color: var(--ink-faint); margin-top: -8px; }
.hero-caption .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-foot { position: relative; display: flex; align-items: center; gap: 16px; padding-bottom: 20px; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--ink-faint); }
.hero-foot .rule { flex: 1; height: 1px; background: var(--line); }

/* ---------- Section base ---------- */
.section { padding: 96px 0; border-bottom: 1px solid var(--line); }
.section-tinted { background: var(--bg-tint); }
.section-head { display: grid; grid-template-columns: 150px 1fr; gap: 30px; margin-bottom: 52px; }
.section-index { font-family: var(--mono); font-size: 30px; color: var(--primary); letter-spacing: -.02em; padding-top: 6px; }
.section-index span { font-size: 12px; color: var(--ink-faint); letter-spacing: .05em; }
.section-heading h2 { font-family: var(--serif); font-size: clamp(27px, 3vw, 37px); letter-spacing: .03em; }
.section-heading h2::before { content: ""; display: block; width: 26px; height: 2px; background: var(--accent); margin-bottom: 18px; }
.section-heading p { max-width: 760px; margin-top: 16px; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }
.section-note { margin-top: 26px; font-size: 12px; color: var(--ink-faint); line-height: 1.8; }

/* ---------- 01 Fields ---------- */
.field-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.field-card {
  position: relative; text-align: left; padding: 26px 22px 22px; min-height: 210px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.field-card:focus-visible, .tl-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.field-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.field-card .fc-num { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); letter-spacing: .1em; }
.field-card .fc-icon { width: 34px; height: 34px; margin: 18px 0 16px; color: var(--primary); }
.field-card .fc-icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.field-card h3 { font-family: var(--serif); font-size: 19px; letter-spacing: .03em; }
.field-card .fc-en { font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; color: var(--ink-faint); margin-top: 5px; text-transform: uppercase; }
.field-card .fc-desc { margin-top: 14px; font-size: 12.5px; line-height: 1.8; color: var(--ink-soft); }
.field-card .fc-more { margin-top: auto; padding-top: 18px; font-size: 11px; color: var(--primary); display: flex; align-items: center; gap: 6px; }
.field-card .fc-more span { transition: transform .2s; }
.field-card:hover .fc-more span { transform: translateX(4px); }

/* ---------- 02 Timeline ---------- */
.timeline-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.chip {
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface);
  font-size: 12px; color: var(--ink-soft); transition: all .18s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }
.timeline { position: relative; padding-left: 0; }
.timeline::before { content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { position: relative; display: grid; grid-template-columns: 92px 1fr; gap: 0; }
.tl-year { font-family: var(--serif); font-size: 22px; color: var(--primary); padding: 2px 24px 0 0; text-align: right; font-weight: 600; }
.tl-body { position: relative; padding: 0 0 28px 40px; }
.tl-body::before { content: ""; position: absolute; left: -5px; top: 12px; width: 9px; height: 9px; border-radius: 50%; background: var(--bg-tint); border: 1.5px solid var(--primary); }
.tl-item.is-warn .tl-body::before { border-color: var(--accent); }
.tl-card {
  width: 100%; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; cursor: pointer; transition: all .2s;
}
.tl-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); transform: translateX(3px); }
.tl-card-top { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.tl-card h3 { font-family: var(--serif); font-size: 18px; letter-spacing: .02em; }
.tl-tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; color: var(--primary); background: var(--primary-l); padding: 2px 7px; border-radius: 2px; }
.tl-warn { font-size: 10.5px; color: var(--accent); background: var(--accent-l); padding: 2px 8px; border-radius: 2px; }
.tl-author { font-size: 12px; color: var(--ink-faint); margin-top: 6px; font-family: var(--mono); }
.tl-card p { font-size: 13px; color: var(--ink-2); line-height: 1.85; margin-top: 12px; }
.tl-card .tl-arrow { display: inline-block; margin-top: 12px; font-size: 11px; color: var(--primary); }

/* ---------- 03 Methods ---------- */
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.method-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; transition: border-color .2s, box-shadow .2s; }
.method-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.method-card .mc-top { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.method-card h3 { font-family: var(--serif); font-size: 17px; }
.method-card .mc-en { font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); letter-spacing: .05em; margin-top: 4px; }
.method-card .mc-type { font-size: 10px; color: var(--accent); background: var(--accent-l); padding: 3px 8px; border-radius: 2px; white-space: nowrap; }
.method-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; margin-top: 14px; }
.method-card dl { margin: 16px 0 0; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.method-card dl > div { display: flex; gap: 8px; font-size: 11.5px; margin-top: 6px; line-height: 1.7; }
.method-card dt { flex: none; width: 52px; color: var(--ink-faint); }
.method-card dd { margin: 0; color: var(--ink-2); }

.comparison { margin-top: 44px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 32px 32px; }
.comparison-title { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.comparison-title h3 { font-family: var(--serif); font-size: 20px; }
.comparison-title p { font-size: 12.5px; color: var(--ink-soft); }
.table-scroll { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 660px; font-size: 12.5px; }
.compare-table th { text-align: left; font-weight: 600; color: var(--ink-faint); font-size: 11px; letter-spacing: .06em; padding: 10px 12px; border-bottom: 1.5px solid var(--primary); }
.compare-table td { padding: 13px 12px; border-bottom: 1px solid var(--line-soft); color: var(--ink-2); vertical-align: middle; }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table tr:hover td { background: var(--surface-2); }
.compare-table td:first-child { font-weight: 600; color: var(--ink); }
.rating { display: inline-flex; gap: 3px; vertical-align: middle; }
.rating i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); display: block; }
.rating i.on { background: var(--primary); }
.rating.warn i.on { background: var(--accent); }

/* ---------- 04 Theories ---------- */
.theory-controls { margin-bottom: 26px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.theory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.theory-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; position: relative; overflow: hidden; transition: all .22s; }
.theory-card::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--primary); transform: scaleY(0); transform-origin: top; transition: transform .25s; }
.theory-card:hover { box-shadow: var(--shadow-sm); border-color: var(--primary); }
.theory-card:hover::after { transform: scaleY(1); }
.theory-card .th-field { font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em; color: var(--accent); text-transform: uppercase; }
.theory-card h3 { font-family: var(--serif); font-size: 18px; margin-top: 12px; }
.theory-card .th-en { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); margin-top: 4px; }
.theory-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; margin-top: 14px; }
.theory-card .th-key { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 11.5px; color: var(--ink-2); }
.theory-card .th-key b { color: var(--primary); font-weight: 600; }

/* ---------- 05 Biases ---------- */
.bias-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.mini-search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 0 11px; height: 34px; min-width: 200px; }
.mini-search:focus-within { border-color: var(--primary); }
.mini-search svg { width: 14px; height: 14px; color: var(--ink-faint); flex: none; }
.mini-search input { border: 0; outline: 0; background: none; width: 100%; font-size: 12.5px; }
.bias-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.bias-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; transition: border-color .2s, box-shadow .2s; }
.bias-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.bias-card .bc-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.bias-card h3 { font-family: var(--serif); font-size: 17px; }
.bias-card .bc-en { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); }
.bias-card .bc-cat { font-size: 10px; color: var(--primary); background: var(--primary-l); padding: 2px 8px; border-radius: 2px; white-space: nowrap; }
.bias-card .bc-desc { font-size: 12.5px; color: var(--ink-2); line-height: 1.85; margin-top: 14px; }
.bias-card .bc-row { display: flex; gap: 10px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 12px; line-height: 1.8; }
.bias-card .bc-row span { flex: none; width: 52px; font-size: 11px; color: var(--ink-faint); padding-top: 2px; }
.bias-card .bc-row p { color: var(--ink-soft); }
.bias-card .bc-row.defense p { color: var(--primary-d); }
.empty-state { padding: 50px 0; text-align: center; color: var(--ink-faint); font-size: 13px; }

/* ---------- 06 Lab ---------- */
.lab-section { background: linear-gradient(180deg, var(--bg) 0%, #eef2f1 100%); }
.lab-shell { display: grid; grid-template-columns: 320px 1fr; gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.lab-info { padding: 27px 28px 22px; border-right: 1px solid var(--line); background: var(--surface-2); }
.lab-info-block { padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--line-soft); }
.lab-info-block:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.lab-kicker { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--accent); margin-bottom: 9px; text-transform: uppercase; }
.lab-info-block p { font-size: 12.5px; line-height: 1.9; color: var(--ink-2); }
.lab-info-block strong { color: var(--ink); font-weight: 600; }
.lab-info-block em { font-style: normal; font-weight: 700; }
.c-blue { color: var(--blue); }
.lab-info-block kbd { margin: 0 2px; }
.lab-disclaimer p { color: var(--ink-faint); font-size: 11.5px; }

.lab-stage { display: flex; flex-direction: column; min-height: 500px; }
.lab-status { display: flex; justify-content: space-between; padding: 14px 26px; border-bottom: 1px solid var(--line-soft); font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--ink-faint); text-transform: uppercase; }
.stimulus-area { flex: 1; display: flex; align-items: center; justify-content: center; padding: 26px; background: #fdfdfc; position: relative; }
.lab-idle { text-align: center; }
.idle-ring { width: 54px; height: 54px; margin: 0 auto 18px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--primary); }
.idle-ring svg { width: 20px; height: 20px; }
.lab-idle h3 { font-family: var(--serif); font-size: 22px; }
.lab-idle p { font-size: 12.5px; color: var(--ink-soft); margin: 10px 0 22px; }
.lab-trial { width: 100%; height: 100%; min-height: 260px; display: flex; align-items: center; justify-content: center; position: relative; }
.fixation { position: absolute; font-family: var(--mono); font-size: 34px; color: var(--ink-faint); }
.stimulus { font-family: var(--serif); font-size: clamp(56px, 8vw, 92px); font-weight: 700; letter-spacing: .12em; user-select: none; line-height: 1; }
.trial-feedback { position: absolute; bottom: 4px; left: 0; right: 0; text-align: center; font-size: 12px; font-family: var(--mono); height: 18px; }
.trial-feedback.ok { color: var(--green); }
.trial-feedback.no { color: var(--red); }
.response-pad { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 20px 26px 24px; border-top: 1px solid var(--line-soft); }
.resp-btn { display: flex; align-items: center; justify-content: center; gap: 8px; height: 48px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; font-weight: 600; transition: all .15s; }
.resp-btn:not(:disabled):hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.resp-btn:not(:disabled):active { transform: translateY(0) scale(.98); }
.resp-btn kbd { font-size: 10px; font-weight: 400; }
.resp-btn::before { content: ""; width: 10px; height: 10px; border-radius: 50%; }
.resp-red::before { background: var(--red); } .resp-blue::before { background: var(--blue); }
.resp-green::before { background: var(--green); } .resp-yellow::before { background: #d1a422; }
.resp-red { color: var(--red); } .resp-blue { color: var(--blue); }
.resp-green { color: var(--green); } .resp-yellow { color: var(--yellow); }
.resp-btn:disabled { opacity: .42; }

.lab-result { width: 100%; max-width: 560px; text-align: left; }
.result-kicker { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--accent); text-transform: uppercase; }
.lab-result h3 { font-family: var(--serif); font-size: 22px; margin: 10px 0 22px; }
.result-bars { display: flex; flex-direction: column; gap: 12px; }
.result-row { display: grid; grid-template-columns: 84px 1fr 74px; gap: 12px; align-items: center; font-size: 12px; }
.result-label { color: var(--ink-soft); }
.bar-track { height: 12px; background: var(--bg-tint); border-radius: 2px; overflow: hidden; }
.bar { height: 100%; width: 0; border-radius: 2px; transition: width .8s cubic-bezier(.2,.8,.2,1); }
.bar-congruent { background: var(--sage); }
.bar-incongruent { background: var(--accent); }
.result-row strong { font-family: var(--mono); font-size: 12px; text-align: right; color: var(--ink); }
.result-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 18px; padding: 16px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.result-meta > div { display: flex; flex-direction: column; gap: 4px; }
.result-meta span { font-size: 11px; color: var(--ink-faint); }
.result-meta strong { font-family: var(--serif); font-size: 20px; color: var(--primary); font-weight: 600; }
.result-explain { font-size: 12.5px; line-height: 1.9; color: var(--ink-2); margin-bottom: 20px; }

/* ---------- 07 Ethics ---------- */
.ethics-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ethics-principles { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.principle { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.principle .pr-num { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: .1em; }
.principle h3 { font-family: var(--serif); font-size: 17px; margin-top: 14px; }
.principle p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; margin-top: 12px; }
.ethics-side { display: flex; flex-direction: column; gap: 14px; }
.callout { background: var(--surface); border: 1px solid var(--line); border-left: 2px solid var(--primary); border-radius: var(--radius); padding: 22px 24px; }
.callout-warn { border-left-color: var(--accent); background: #fdf8f4; }
.callout-tag { display: inline-block; font-family: var(--mono); font-size: 9.5px; letter-spacing: .09em; color: var(--accent); background: var(--accent-l); padding: 3px 8px; border-radius: 2px; text-transform: uppercase; }
.callout h3 { font-family: var(--serif); font-size: 18px; margin-top: 12px; }
.callout p { font-size: 12.5px; color: var(--ink-2); line-height: 1.9; margin-top: 10px; }
.callout strong { color: var(--ink); }
.open-practice { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.open-practice h4 { font-family: var(--serif); font-size: 17px; margin-bottom: 14px; }
.open-practice li { display: flex; gap: 12px; font-size: 12.5px; line-height: 1.8; padding: 9px 0; border-bottom: 1px dashed var(--line-soft); color: var(--ink-2); }
.open-practice li:last-child { border-bottom: 0; }
.open-practice li b { flex: none; color: var(--primary); font-weight: 600; }

/* ---------- 08 Library ---------- */
.library-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.lib-tab { padding: 12px 22px; background: none; border: 0; border-bottom: 2px solid transparent; font-size: 13.5px; color: var(--ink-soft); margin-bottom: -1px; transition: all .2s; }
.lib-tab:hover { color: var(--primary); }
.lib-tab.is-active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.library-body { min-height: 260px; }
.journal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.journal-item { display: flex; gap: 16px; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s; }
.journal-item:hover { border-color: var(--primary); }
.journal-item .ji-badge { flex: none; width: 46px; height: 46px; display: grid; place-items: center; background: var(--primary-l); color: var(--primary); font-family: var(--serif); font-size: 15px; font-weight: 700; border-radius: 2px; }
.journal-item h3 { font-family: var(--serif); font-size: 15.5px; }
.journal-item .ji-meta { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); margin-top: 3px; }
.journal-item p { font-size: 12px; color: var(--ink-soft); line-height: 1.75; margin-top: 9px; }
.path-list { counter-reset: path; display: grid; gap: 12px; }
.path-item { display: grid; grid-template-columns: 60px 1fr; gap: 20px; padding: 22px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.path-item .path-num { font-family: var(--serif); font-size: 32px; color: var(--primary); line-height: 1; }
.path-item h3 { font-family: var(--serif); font-size: 17px; }
.path-item p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; margin-top: 9px; }
.path-item .path-tag { display: inline-block; margin-top: 10px; font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: .05em; }

/* ---------- Closing & Footer ---------- */
.closing { padding: 84px 0; text-align: center; background: var(--bg-tint); border-bottom: 1px solid var(--line); }
.closing-mark { font-family: var(--serif); font-size: 32px; color: var(--accent); margin-bottom: 22px; }
.closing blockquote { font-family: var(--serif); font-size: clamp(19px, 2.4vw, 28px); line-height: 1.9; letter-spacing: .04em; color: var(--ink); margin: 0; }
.closing p { margin-top: 22px; font-size: 12.5px; color: var(--ink-soft); letter-spacing: .06em; }
.site-footer { background: var(--ink); color: #c9d0d4; padding: 56px 0 0; }
.footer-inner { display: grid; grid-template-columns: 220px 1fr; gap: 40px 60px; }
.footer-brand strong { display: block; font-family: var(--serif); font-size: 20px; color: #fff; letter-spacing: .08em; }
.footer-brand span { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .1em; color: #7d8b92; margin-top: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px 22px; align-content: start; }
.footer-links a { font-size: 12.5px; color: #c9d0d4; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-disclaimer { grid-column: 1 / -1; border-top: 1px solid #33404a; padding-top: 24px; }
.footer-disclaimer p { font-size: 11.5px; line-height: 1.9; color: #8b989f; margin-bottom: 8px; }
.footer-disclaimer strong { color: #d8dfe2; font-weight: 600; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 26px; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: #6f7e86; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(20,30,38,.48); backdrop-filter: blur(3px); animation: fadeIn .2s ease; }
.modal-card { position: relative; width: min(620px, 100%); max-height: min(82vh, 760px); overflow-y: auto; background: var(--surface); border-radius: var(--radius); box-shadow: 0 24px 70px rgba(0,0,0,.24); padding: 40px 42px; animation: riseIn .25s ease; }
.modal-close { position: absolute; top: 14px; right: 16px; width: 34px; height: 34px; border: 1px solid var(--line); background: var(--surface-2); border-radius: 50%; font-size: 21px; line-height: 1; color: var(--ink-soft); }
.modal-close:hover { border-color: var(--accent); color: var(--accent); }
.modal-eyebrow { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--accent); text-transform: uppercase; }
.modal-content h2 { font-family: var(--serif); font-size: 27px; margin: 12px 0 4px; }
.modal-en { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: .05em; }
.modal-lead { font-size: 14px; line-height: 1.95; color: var(--ink-2); margin: 22px 0 0; }
.modal-section { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line-soft); }
.modal-section h4 { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--primary); text-transform: uppercase; margin-bottom: 12px; }
.modal-section p { font-size: 13px; line-height: 1.9; color: var(--ink-2); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span { font-size: 11.5px; color: var(--primary-d); background: var(--primary-l); border: 1px solid #d7e5e3; padding: 5px 11px; border-radius: 2px; }
.modal-quote { margin-top: 24px; padding: 16px 20px; background: var(--surface-2); border-left: 2px solid var(--accent); font-size: 12.5px; line-height: 1.85; color: var(--ink-soft); }
.modal-quote b { color: var(--accent); font-weight: 600; }
.modal-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 22px; }
.modal-meta > div { border-top: 1px solid var(--line-soft); padding-top: 12px; }
.modal-meta span { display: block; font-size: 10.5px; color: var(--ink-faint); }
.modal-meta strong { font-size: 13px; color: var(--ink); font-weight: 600; display: block; margin-top: 4px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulseDot { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 28px 18px; box-shadow: var(--shadow-md); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line-soft); }
  .main-nav a::after { display: none; }
  .menu-trigger { display: block; }
  .search-trigger { margin-left: auto; }
  .header-actions { margin-left: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 66px 0 50px; }
  .hero-visual { order: -1; max-width: 340px; margin-inline: auto; }
  .hero-stats { margin-top: 38px; }
  .field-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid, .theory-grid { grid-template-columns: repeat(2, 1fr); }
  .lab-shell { grid-template-columns: 1fr; }
  .lab-info { border-right: 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .lab-info-block { border-bottom: 0; padding-bottom: 14px; margin-bottom: 14px; }
  .ethics-layout { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .wrap { width: min(var(--wrap), calc(100% - 36px)); }
  .section { padding: 68px 0; }
  .section-head { grid-template-columns: 1fr; gap: 12px; margin-bottom: 36px; }
  .section-index { font-size: 20px; padding: 0; }
  .search-results { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(34px, 9vw, 46px); }
  .hero-stats { flex-wrap: wrap; gap: 18px 0; }
  .hero-stats > div { min-width: 50%; }
  .field-grid, .method-grid, .theory-grid, .bias-grid, .journal-grid, .ethics-principles { grid-template-columns: 1fr; }
  .field-card { min-height: 0; }
  .timeline::before { left: 6px; }
  .tl-item { grid-template-columns: 1fr; padding-left: 26px; }
  .tl-year { text-align: left; padding: 0 0 4px; font-size: 18px; }
  .tl-body { padding: 0 0 20px 12px; }
  .tl-body::before { left: -23px; top: 6px; }
  .comparison { padding: 24px 18px; }
  .lab-info { grid-template-columns: 1fr; padding: 24px 20px; }
  .lab-info-block { border-bottom: 1px solid var(--line-soft); }
  .lab-info-block:last-child { border-bottom: 0; }
  .stimulus-area { padding: 18px; min-height: 260px; }
  .response-pad { grid-template-columns: repeat(2, 1fr); padding: 16px; }
  .resp-btn { height: 46px; }
  .result-row { grid-template-columns: 72px 1fr 62px; gap: 8px; font-size: 11px; }
  .result-meta { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .result-meta strong { font-size: 16px; }
  .bias-toolbar { flex-direction: column; align-items: stretch; }
  .mini-search { width: 100%; }
  .library-tabs { overflow-x: auto; }
  .lib-tab { padding: 12px 14px; white-space: nowrap; }
  .path-item { grid-template-columns: 1fr; gap: 8px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-disclaimer { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .modal-card { padding: 32px 24px; }
}

/* ---------- 阅读进度与返回顶部 ---------- */
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80; pointer-events: none; }
.reading-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--primary)); transition: width .08s linear; }
.back-to-top {
  position: fixed; right: 26px; bottom: 28px; z-index: 55; width: 42px; height: 42px;
  border-radius: 50%; background: var(--surface); border: 1px solid var(--line);
  color: var(--primary); box-shadow: var(--shadow-md); display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .25s;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.back-to-top svg { width: 18px; height: 18px; }

/* ---------- 方法区块引导 ---------- */
.method-bridge { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 26px; padding: 16px 22px; background: var(--primary-l); border: 1px solid #d7e5e3; border-radius: var(--radius); }
.method-bridge span { font-size: 13px; color: var(--ink-soft); }
.method-bridge a { font-size: 13px; color: var(--primary); font-weight: 600; }
.method-bridge a:hover { text-decoration: underline; }

/* ---------- 09 术语速查 ---------- */
.glossary-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.glossary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.glossary-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; transition: border-color .2s, box-shadow .2s; }
.glossary-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.glossary-card .gc-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.glossary-card h3 { font-family: var(--serif); font-size: 16.5px; }
.glossary-card .gc-en { font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); margin-top: 3px; }
.glossary-card .gc-cat { font-size: 10px; color: var(--primary); background: var(--primary-l); padding: 2px 8px; border-radius: 2px; white-space: nowrap; }
.glossary-card .gc-def { font-size: 12.5px; color: var(--ink-2); line-height: 1.85; margin-top: 12px; }
.glossary-card .gc-why { font-size: 12px; color: var(--primary-d); line-height: 1.8; margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
.glossary-card .gc-why b { font-weight: 600; color: var(--accent); }
.evidence-card { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; margin-top: 38px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 34px; }
.evidence-head h3 { font-family: var(--serif); font-size: 21px; margin-top: 12px; }
.evidence-head p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.85; margin-top: 12px; }
.evidence-list { counter-reset: ev; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.evidence-list li { counter-increment: ev; position: relative; padding-left: 32px; font-size: 12.5px; line-height: 1.75; color: var(--ink-2); }
.evidence-list li::before { content: counter(ev, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--mono); font-size: 11px; color: var(--accent); }

/* ---------- 10 参考文献 ---------- */
.ref-note { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; background: var(--surface-2); border: 1px solid var(--line-soft); border-left: 2px solid var(--accent); border-radius: var(--radius); margin-bottom: 30px; }
.ref-note > span { color: var(--accent); font-family: var(--serif); font-size: 16px; }
.ref-note p { font-size: 12px; line-height: 1.85; color: var(--ink-soft); }
.ref-groups { display: flex; flex-direction: column; gap: 36px; }
.ref-group-head { display: flex; align-items: baseline; gap: 14px; padding-bottom: 12px; border-bottom: 1.5px solid var(--primary); margin-bottom: 6px; }
.ref-group-head h3 { font-family: var(--serif); font-size: 19px; }
.ref-group-head span { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); letter-spacing: .08em; }
.ref-item { display: grid; grid-template-columns: 34px 1fr auto; gap: 14px; align-items: start; padding: 14px 4px; border-bottom: 1px solid var(--line-soft); }
.ref-item:last-child { border-bottom: 0; }
.ref-num { font-family: var(--mono); font-size: 11px; color: var(--accent); padding-top: 3px; }
.ref-cite { font-size: 12.5px; line-height: 1.8; color: var(--ink-2); }
.ref-note-tag { display: block; margin-top: 5px; font-size: 11.5px; color: var(--ink-faint); }
.ref-copy { flex: none; border: 1px solid var(--line); background: var(--surface); border-radius: 2px; font-size: 11px; color: var(--ink-soft); padding: 5px 10px; white-space: nowrap; transition: all .18s; }
.ref-copy:hover { border-color: var(--primary); color: var(--primary); }
.ref-copy.is-done { border-color: var(--green); color: var(--green); }
.ref-foot { margin-top: 36px; padding: 22px 26px; background: var(--primary-l); border: 1px solid #d7e5e3; border-radius: var(--radius); }
.ref-foot strong { font-family: var(--serif); font-size: 15px; color: var(--primary-d); }
.ref-foot p { font-size: 12.5px; line-height: 1.9; color: var(--ink-2); margin-top: 8px; }

/* ---------- 弹层中的原始文献 ---------- */
.modal-citation { margin-top: 24px; padding: 16px 18px; background: var(--surface-2); border: 1px solid var(--line-soft); border-radius: var(--radius); }
.modal-citation h4 { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--primary); margin-bottom: 10px; }
.modal-citation p { font-size: 12px; line-height: 1.8; color: var(--ink-2); font-family: var(--serif); }
.copy-btn { margin-top: 12px; border: 1px solid var(--line); background: var(--surface); border-radius: 2px; font-size: 11px; color: var(--ink-soft); padding: 5px 11px; }
.copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.copy-btn.is-done { border-color: var(--green); color: var(--green); }

/* ---------- 打印 ---------- */
@media print {
  .site-header, .reading-progress, .back-to-top, .hero-cta, .response-pad,
  .bias-toolbar, .glossary-toolbar, .timeline-filter, .theory-controls,
  .library-tabs, .ref-copy, .copy-btn, .modal, .closing-mark, .footer-links { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  .section, .closing { padding: 24px 0; }
  .section-tinted, .lab-section { background: #fff; }
  .field-card, .method-card, .theory-card, .bias-card, .glossary-card,
  .tl-card, .journal-item, .principle, .ref-item, .evidence-card { break-inside: avoid; box-shadow: none; }
  .hero-inner { padding: 20px 0; }
  .hero-visual { display: none; }
}

@media (max-width: 1080px) {
  .evidence-card { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 760px) {
  .glossary-grid, .evidence-list { grid-template-columns: 1fr; }
  .glossary-toolbar { flex-direction: column; align-items: stretch; }
  .glossary-toolbar .mini-search { width: 100%; }
  .ref-item { grid-template-columns: 26px 1fr; gap: 8px; }
  .ref-copy { grid-column: 2; justify-self: start; }
  .evidence-card { padding: 24px 20px; }
  .back-to-top { right: 16px; bottom: 18px; }
  .method-bridge { padding: 14px 16px; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}