:root {
  --ink: #173a3d;
  --ink-2: #234f52;
  --ink-soft: #537174;
  --paper: #f6f0e4;
  --paper-2: #fffaf0;
  --surface: #ffffff;
  --surface-2: #f3eadc;
  --gold: #b88a43;
  --gold-soft: #e8d2a8;
  --red: #a94f42;
  --green: #587a62;
  --plum: #775b69;
  --blue: #4c7380;
  --text: #1f2d2e;
  --muted: #667477;
  --line: rgba(23, 58, 61, .16);
  --line-strong: rgba(23, 58, 61, .3);
  --shadow: 0 18px 50px rgba(24, 42, 43, .12);
  --shadow-soft: 0 8px 26px rgba(24, 42, 43, .08);
  --radius: 24px;
  --radius-sm: 14px;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  --serif: ui-serif, "Songti SC", "STSong", "SimSun", serif;
  --header-height: 72px;
}

html[data-theme="dark"] {
  --ink: #90c2bd;
  --ink-2: #75aaa6;
  --ink-soft: #8ca5a3;
  --paper: #101819;
  --paper-2: #162122;
  --surface: #1b2728;
  --surface-2: #223133;
  --gold: #d3ad69;
  --gold-soft: #66532f;
  --red: #cf796a;
  --green: #8eb697;
  --plum: #b391a0;
  --blue: #7ea7b6;
  --text: #edf4f2;
  --muted: #b6c2c1;
  --line: rgba(228, 238, 236, .12);
  --line-strong: rgba(228, 238, 236, .24);
  --shadow: 0 18px 50px rgba(0, 0, 0, .34);
  --shadow-soft: 0 8px 26px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(184, 138, 67, .10), transparent 26rem),
    radial-gradient(circle at 92% 18%, rgba(76, 115, 128, .09), transparent 24rem),
    var(--paper-2);
  font-family: var(--sans);
  line-height: 1.75;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  opacity: .28;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 49.6%, rgba(23, 58, 61, .04) 50%, transparent 50.4%),
    linear-gradient(transparent 49.6%, rgba(184, 138, 67, .045) 50%, transparent 50.4%);
  background-size: 28px 28px;
}

::selection { color: #fff; background: var(--ink); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; display: block; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 9999;
  padding: 8px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  transform: translateY(-140%);
}
.skip-link:focus { transform: none; }

.thread {
  position: fixed;
  z-index: -2;
  pointer-events: none;
  opacity: .5;
  filter: blur(.2px);
}
.thread-a {
  width: 100vw; height: 2px; top: 18vh; left: -20vw;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: rotate(-7deg);
}
.thread-b {
  width: 2px; height: 110vh; top: -10vh; right: 12vw;
  background: linear-gradient(180deg, transparent, var(--blue), transparent);
  transform: rotate(9deg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 84%, transparent);
  backdrop-filter: blur(18px) saturate(130%);
}
.header-inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--ink);
  border-radius: 14px 4px 14px 4px;
  color: var(--paper-2);
  background: var(--ink);
  font: 700 22px/1 var(--serif);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.12);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font: 700 18px/1.2 var(--serif); letter-spacing: .08em; }
.brand-text small { color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.desktop-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.desktop-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  padding: 9px 10px;
  border-radius: 999px;
  transition: .2s ease;
}
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--ink); background: var(--surface-2); outline: none; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button {
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
}
.icon-button:hover { transform: rotate(12deg); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .icon-button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--gold) 55%, transparent);
  outline-offset: 2px;
}
.button-primary { color: #fff; background: var(--ink); box-shadow: 0 8px 18px rgba(23,58,61,.2); }
.button-secondary { color: #fff; background: var(--red); box-shadow: 0 8px 18px rgba(169,79,66,.18); }
.button-ghost { color: var(--ink); border-color: var(--line-strong); background: transparent; }
.button-ghost:hover { background: var(--surface); box-shadow: var(--shadow-soft); }
.button.danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 45%, transparent); }

.hero {
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(54px, 7vw, 108px) 28px 36px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: center;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  display: flex;
  gap: clamp(5px, 1vw, 15px);
  font: 800 clamp(52px, 8vw, 112px)/.95 var(--serif);
  letter-spacing: .08em;
  color: var(--ink);
}
.hero h1 span:nth-child(2) { transform: translateY(10px); color: var(--red); }
.hero h1 span:nth-child(3) { color: var(--gold); }
.hero h1 span:nth-child(4) { transform: translateY(-8px); }
.hero-subtitle {
  margin: 24px 0 8px;
  font: 700 clamp(20px, 2.5vw, 34px)/1.3 var(--serif);
  color: var(--text);
}
.hero-lead { max-width: 760px; color: var(--muted); font-size: clamp(15px, 1.25vw, 18px); }
.hero blockquote {
  margin: 28px 0;
  padding: 20px 22px 20px 24px;
  border: 0;
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  font: 700 clamp(18px, 1.8vw, 25px)/1.65 var(--serif);
  box-shadow: var(--shadow-soft);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.boundary-note { margin-top: 18px; color: var(--muted); font-size: 12px; }
.boundary-note strong { color: var(--red); }

.hero-visual { position: relative; min-height: 560px; }
.loom-card {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 46px 18px 46px 18px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-2) 84%, transparent));
  box-shadow: var(--shadow);
}
.loom-card::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid color-mix(in srgb, var(--gold) 30%, transparent);
  border-radius: 36px 12px 36px 12px;
  pointer-events: none;
}
.loom-grid {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(23,58,61,.07) 22px 23px),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(184,138,67,.08) 22px 23px);
  mask-image: radial-gradient(circle, #000 10%, rgba(0,0,0,.78) 45%, transparent 82%);
}
.loom-center {
  position: absolute;
  left: 50%; top: 50%;
  width: 230px; height: 230px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 24px 56px rgba(23,58,61,.3), inset 0 0 0 10px rgba(255,255,255,.06);
  z-index: 3;
}
.loom-center::before, .loom-center::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(184,138,67,.45);
}
.loom-center::before { inset: -28px; }
.loom-center::after { inset: -58px; border-style: dashed; }
.loom-center span { color: var(--gold-soft); font-size: 11px; letter-spacing: .18em; }
.loom-center strong { margin: 6px 0; font: 700 27px/1.35 var(--serif); }
.loom-center small { max-width: 170px; opacity: .8; }
.loom-node {
  position: absolute;
  z-index: 4;
  min-width: 160px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-soft);
}
.loom-node span { display: block; color: var(--muted); font-size: 10px; }
.loom-node b { display: block; color: var(--ink); font-size: 13px; }
.node-region { left: 30px; top: 62px; }
.node-county { right: 28px; top: 112px; }
.node-micro { left: 24px; bottom: 82px; }
.node-future { right: 28px; bottom: 54px; }
.node-region::after, .node-county::after, .node-micro::after, .node-future::after {
  content: ""; position: absolute; width: 100px; height: 1px; background: var(--gold); opacity: .45;
}
.node-region::after { left: 100%; top: 50%; transform: rotate(25deg); transform-origin: left; }
.node-county::after { right: 100%; top: 50%; transform: rotate(-20deg); transform-origin: right; }
.node-micro::after { left: 100%; top: 50%; transform: rotate(-22deg); transform-origin: left; }
.node-future::after { right: 100%; top: 50%; transform: rotate(25deg); transform-origin: right; }
.stats-panel {
  position: absolute;
  left: 34px; right: 34px; bottom: -46px;
  z-index: 8;
  padding: 17px 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.stats-panel > div:first-child { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.stats-mode { color: var(--ink); font-weight: 800; }
.stats-panel small { color: var(--muted); }
.site-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.site-stats span { display: flex; flex-direction: column; text-align: center; padding: 7px; border-left: 1px solid var(--line); }
.site-stats span:first-child { border-left: 0; }
.site-stats b { font-size: 22px; color: var(--red); line-height: 1.1; }
.site-stats small { font-size: 10px; }

.kpi-grid {
  margin-top: 88px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.kpi-card {
  padding: 19px 16px;
  border-top: 2px solid var(--gold);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  box-shadow: var(--shadow-soft);
}
.kpi-card strong { display: block; color: var(--ink); font: 800 clamp(23px, 2.4vw, 36px)/1.1 var(--serif); }
.kpi-card span { display: block; margin: 8px 0 2px; font-weight: 800; font-size: 12px; }
.kpi-card small { color: var(--muted); font-size: 10px; }

.section {
  position: relative;
  padding: clamp(72px, 8vw, 118px) max(28px, calc((100vw - 1384px) / 2));
}
.section-paper { background: color-mix(in srgb, var(--paper) 82%, transparent); border-block: 1px solid var(--line); }
.section-deep {
  color: #edf5f2;
  background:
    radial-gradient(circle at 18% 22%, rgba(184,138,67,.18), transparent 24rem),
    radial-gradient(circle at 85% 78%, rgba(76,115,128,.2), transparent 26rem),
    #163638;
}
.section-deep .section-heading p, .section-deep .muted, .section-heading.light > p { color: #bcd0cc; }
.section-deep .eyebrow, .section-heading.light .eyebrow { color: #e8c889; }
.section-heading { max-width: 900px; margin-bottom: 38px; }
.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font: 800 clamp(30px, 4.2vw, 58px)/1.2 var(--serif);
  letter-spacing: -.02em;
}
.section-heading h3 { margin: 0; font: 800 clamp(24px, 3vw, 40px)/1.3 var(--serif); color: var(--ink); }
.section-heading > p:last-child { color: var(--muted); max-width: 760px; }
.section-heading.light h2, .section-heading.light h3 { color: #fff; }
.split-heading { max-width: none; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .65fr); align-items: end; gap: 48px; }
.split-heading > p { margin: 0; }
.section-heading.compact { margin-bottom: 24px; }

.architecture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.architecture-card {
  position: relative;
  min-height: 255px;
  padding: 28px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.architecture-card::after { content: ""; position: absolute; width: 110px; height: 110px; border-radius: 50%; right: -45px; top: -45px; background: currentColor; opacity: .08; }
.architecture-card h3 { margin: 36px 0 10px; font: 800 24px/1.2 var(--serif); color: var(--text); }
.architecture-card p { color: var(--muted); font-size: 14px; }
.architecture-card strong { position: absolute; left: 24px; bottom: 22px; font-size: 12px; letter-spacing: .1em; }
.architecture-index { color: currentColor; font-weight: 900; font-size: 12px; letter-spacing: .15em; }
.accent-blue { color: var(--blue); }
.accent-gold { color: var(--gold); }
.accent-red { color: var(--red); }
.accent-green { color: var(--green); }
.decision-strip { margin-top: 26px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.decision-item { padding: 18px; background: var(--surface); color: var(--muted); font-size: 12px; }
.decision-item b { display: block; margin-bottom: 5px; color: var(--ink); font-size: 11px; }

.timeline-shell {
  display: grid;
  grid-template-columns: minmax(270px, .8fr) minmax(0, 1.6fr);
  gap: 28px;
}
.timeline-nav { display: grid; gap: 7px; align-content: start; }
.timeline-tab {
  width: 100%;
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  text-align: left;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  transition: .2s ease;
}
.timeline-tab:hover { transform: translateX(4px); border-color: var(--gold); }
.timeline-tab[aria-selected="true"] { color: #fff; border-color: var(--ink); background: var(--ink); box-shadow: var(--shadow-soft); }
.timeline-tab span { font-weight: 800; font-size: 11px; }
.timeline-tab b { font-size: 13px; }
.timeline-detail {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  min-height: 440px;
  padding: clamp(30px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: 34px 12px 34px 12px;
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-2) 88%, transparent));
  box-shadow: var(--shadow);
}
.timeline-number { color: var(--gold); font: 900 62px/1 var(--serif); opacity: .45; }
.timeline-detail h3 { margin: 12px 0 4px; color: var(--ink); font: 800 clamp(30px, 4vw, 50px)/1.2 var(--serif); }
.timeline-period { color: var(--red); font-weight: 800; }
.timeline-turn { margin: 26px 0; padding: 16px 18px; border-left: 4px solid var(--gold); background: var(--surface); font-weight: 800; }
.timeline-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.timeline-meta div { padding: 16px; border: 1px solid var(--line); border-radius: 12px; }
.timeline-meta span { display: block; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.timeline-meta p { margin: 5px 0 0; }

.network-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(320px, .7fr); gap: 22px; }
.network-canvas {
  min-height: 560px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 34px;
  background: rgba(255,255,255,.045);
  overflow: hidden;
}
.network-canvas svg { width: 100%; height: 100%; min-height: 560px; display: block; }
.network-edge { stroke: rgba(232,200,137,.35); stroke-width: 2; fill: none; }
.network-edge.secondary { stroke: rgba(161,200,196,.24); stroke-dasharray: 7 7; }
.network-river { stroke: rgba(122,180,206,.85); stroke-width: 5; fill: none; opacity: .75; }
.network-ring { fill: none; stroke: rgba(255,255,255,.15); stroke-dasharray: 5 7; }
.network-node circle { fill: #fff; stroke: #e8c889; stroke-width: 3; transition: .2s ease; }
.network-node text { fill: #eef7f4; font-family: var(--sans); font-weight: 800; font-size: 13px; pointer-events: none; }
.network-node:hover circle, .network-node.active circle { r: 13; fill: #e8c889; }
.network-node { cursor: pointer; }
.extra-node circle { fill: rgba(255,255,255,.6); }
.extra-node text { fill: #bcd0cc; font-size: 10px; }
.case-panel {
  padding: 28px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 24px;
  background: rgba(255,255,255,.07);
}
.case-panel .case-kicker { color: #e8c889; font-size: 11px; letter-spacing: .12em; }
.case-panel h3 { margin: 8px 0 3px; font: 800 32px/1.25 var(--serif); }
.case-panel .case-short { color: #bcd0cc; }
.case-panel dl { margin: 22px 0; }
.case-panel dt { margin-top: 15px; color: #e8c889; font-size: 11px; font-weight: 800; }
.case-panel dd { margin: 4px 0; color: #eef7f4; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { padding: 5px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #d8e8e5; font-size: 10px; }
.radar-layout { margin-top: 28px; display: grid; grid-template-columns: minmax(300px, .7fr) minmax(0, 1.3fr); gap: 22px; }
.radar-copy, .radar-chart { padding: 28px; border: 1px solid rgba(255,255,255,.15); border-radius: 24px; background: rgba(255,255,255,.055); }
.radar-copy h3 { margin: 0 0 8px; font: 800 28px/1.3 var(--serif); }
.radar-copy p { color: #bcd0cc; }
.radar-copy label { display: block; margin: 18px 0 6px; color: #e8c889; font-size: 11px; }
.radar-copy select { width: 100%; padding: 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 10px; color: #fff; background: #24494b; }
.dimension-tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 6px; }
.dimension-tags span { padding: 4px 8px; border-radius: 999px; color: #d7e6e3; background: rgba(255,255,255,.08); font-size: 10px; }
.radar-chart svg { width: 100%; min-height: 390px; display: block; }
.radar-grid { fill: none; stroke: rgba(255,255,255,.16); }
.radar-axis { stroke: rgba(255,255,255,.16); }
.radar-polygon { fill: rgba(232,200,137,.19); stroke: #e8c889; stroke-width: 2.5; }
.radar-dot { fill: #fff; stroke: #e8c889; stroke-width: 2; }
.radar-label { fill: #eaf4f1; font-size: 11px; text-anchor: middle; font-family: var(--sans); }

.chain-stack { display: grid; gap: 14px; }
.chain-row {
  display: grid;
  grid-template-columns: 150px 1fr 280px;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}
.chain-title { display: flex; align-items: center; gap: 10px; font-weight: 900; }
.chain-dot { width: 13px; height: 13px; border-radius: 50%; background: var(--chain-color); box-shadow: 0 0 0 6px color-mix(in srgb, var(--chain-color) 14%, transparent); }
.chain-route { display: flex; align-items: center; gap: 8px; min-width: 0; }
.chain-node { flex: 1; min-width: 0; padding: 10px; text-align: center; border: 1px solid var(--line); border-radius: 10px; font-size: 11px; background: var(--paper-2); }
.chain-arrow { color: var(--gold); font-weight: 900; }
.chain-note { color: var(--muted); font-size: 11px; }
.hypothesis-section { margin-top: 70px; }
.hypothesis-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.hypothesis-card {
  position: relative;
  min-height: 260px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  overflow: hidden;
}
.hypothesis-card::before { content: attr(data-id); position: absolute; right: -6px; top: -20px; color: var(--gold); opacity: .12; font: 900 86px/1 var(--serif); }
.hypothesis-card h4 { margin: 0 0 12px; color: var(--ink); font: 800 20px/1.35 var(--serif); }
.hypothesis-card > p { color: var(--muted); font-size: 12px; }
.hypothesis-card details { margin-top: 18px; font-size: 11px; }
.hypothesis-card summary { color: var(--red); font-weight: 800; cursor: pointer; }
.hypothesis-card details p { padding: 10px; border-radius: 10px; background: var(--paper-2); }

.anchor-line { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; position: relative; }
.anchor-line::before { content: ""; position: absolute; left: 12%; right: 12%; top: 58px; height: 2px; background: linear-gradient(90deg, var(--ink), var(--gold), var(--red)); opacity: .35; }
.anchor-card {
  position: relative;
  z-index: 2;
  min-height: 360px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 28px 10px 28px 10px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.anchor-marker { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--ink); box-shadow: 0 0 0 8px var(--paper-2); font: 900 15px/1 var(--serif); }
.anchor-card:nth-child(2) .anchor-marker { background: var(--gold); }
.anchor-card:nth-child(3) .anchor-marker { background: var(--red); }
.anchor-card h3 { margin: 25px 0 4px; color: var(--ink); font: 800 27px/1.3 var(--serif); }
.anchor-years { color: var(--red); font-size: 11px; font-weight: 800; }
.anchor-card p { color: var(--muted); font-size: 13px; }
.anchor-card h4 { margin: 16px 0 6px; font-size: 11px; color: var(--ink); }
.anchor-card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 11px; }
.anchor-forbidden { margin-top: 14px; padding: 10px; border-left: 3px solid var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); font-size: 10px; }
.jiangyin-grid { margin-top: 24px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 20px; }
.jiangyin-thesis, .evidence-lines { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.large-quote { color: var(--gold); font: 900 84px/1 var(--serif); }
.jiangyin-thesis h3, .evidence-lines h3 { margin: -20px 0 14px; color: var(--ink); font: 800 27px/1.35 var(--serif); }
.jiangyin-thesis p { color: var(--muted); }
.warning-card { margin-top: 22px; display: grid; grid-template-columns: 82px 1fr; gap: 12px; padding: 14px; border: 1px solid color-mix(in srgb, var(--red) 28%, var(--line)); background: color-mix(in srgb, var(--red) 6%, var(--surface)); }
.warning-card strong { color: var(--red); }
.warning-card span { color: var(--muted); font-size: 12px; }
.evidence-lines ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.evidence-lines li { padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-2); }
.evidence-lines b { display: block; color: var(--ink); font-size: 12px; }
.evidence-lines span { display: block; color: var(--muted); font-size: 10px; }

.evidence-type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.evidence-type-card { padding: 20px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(255,255,255,.06); }
.evidence-type-card h3 { margin: 0 0 8px; font: 800 22px/1.3 var(--serif); }
.evidence-type-card p { margin: 6px 0; color: #c7d8d5; font-size: 11px; }
.evidence-type-card p b { color: #e8c889; }
.evidence-levels { margin: 22px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.evidence-level-card { padding: 18px; border-radius: 14px; background: rgba(255,255,255,.08); border-top: 3px solid var(--level-color); }
.evidence-level-card h3 { margin: 0; font-size: 13px; color: #fff; }
.evidence-level-card p { color: #c7d8d5; font-size: 10px; }
.evidence-level-card strong { color: #e8c889; font-size: 10px; }
.evidence-lab { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.evidence-form, .evidence-list-wrap, .prompt-builder, .progress-card {
  padding: 26px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 24px;
  background: rgba(255,255,255,.07);
}
.form-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 20px; }
.form-heading h3 { margin: 0; font: 800 26px/1.3 var(--serif); }
.local-badge { padding: 4px 9px; border-radius: 999px; background: rgba(255,255,255,.1); color: #bcd0cc; font-size: 9px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-grid.four { grid-template-columns: repeat(4, 1fr); }
label { color: inherit; font-weight: 800; font-size: 11px; }
input, select, textarea {
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text);
  background: var(--surface);
}
textarea { resize: vertical; line-height: 1.6; }
.evidence-form input, .evidence-form select, .evidence-form textarea { color: #edf4f2; border-color: rgba(255,255,255,.18); background: rgba(4,20,21,.35); }
.evidence-form label { display: block; margin-top: 10px; color: #d9e8e5; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.evidence-list { display: grid; gap: 10px; max-height: 580px; overflow: auto; padding-right: 4px; }
.evidence-card { padding: 14px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px; background: rgba(2,16,17,.24); }
.evidence-card-header { display: flex; justify-content: space-between; gap: 10px; }
.evidence-card h4 { margin: 0; font-size: 14px; }
.evidence-card .level-pill { padding: 3px 7px; border-radius: 999px; color: #0c2021; background: #e8c889; font-size: 9px; font-weight: 900; }
.evidence-card p { color: #c9d9d6; font-size: 10px; }
.evidence-card p b { color: #e8c889; }
.evidence-card button { border: 0; color: #ffb2a8; background: transparent; font-size: 10px; }
.empty-state { color: #bcd0cc; text-align: center; padding: 40px 10px; }

.prompt-tools { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 20px; }
.prompt-filter { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--surface); font-size: 11px; }
.filter-button.active { color: #fff; border-color: var(--ink); background: var(--ink); }
.search-box { display: flex; align-items: center; gap: 9px; min-width: 280px; padding: 4px 4px 4px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.search-box span { color: var(--muted); font-size: 10px; }
.search-box input { margin: 0; padding: 8px; border: 0; background: transparent; outline: none; }
.prompt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.prompt-card { display: flex; flex-direction: column; min-height: 330px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-soft); }
.prompt-card .prompt-category { color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.prompt-card h3 { margin: 8px 0 5px; color: var(--ink); font: 800 20px/1.35 var(--serif); }
.prompt-card .prompt-desc { color: var(--muted); font-size: 11px; }
.prompt-preview { flex: 1; margin: 14px 0; padding: 12px; overflow: hidden; border-left: 3px solid var(--gold); background: var(--paper-2); color: var(--muted); font-size: 10px; white-space: pre-wrap; max-height: 150px; }
.prompt-card-actions { display: flex; gap: 8px; }
.prompt-card-actions button { flex: 1; }
.prompt-builder { margin-top: 24px; color: var(--text); border-color: var(--line); background: var(--surface); box-shadow: var(--shadow-soft); }
.prompt-builder #builderResult { min-height: 180px; font-size: 12px; }

.scenario-presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.scenario-button { padding: 17px; text-align: left; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.scenario-button:hover, .scenario-button.active { color: #fff; border-color: var(--ink); background: var(--ink); transform: translateY(-2px); }
.scenario-button b { display: block; font-size: 13px; }
.scenario-button span { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.scenario-button.active span, .scenario-button:hover span { color: rgba(255,255,255,.72); }
.sandbox-layout { display: grid; grid-template-columns: minmax(300px, .58fr) minmax(0, 1.42fr); gap: 18px; }
.control-panel { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.slider-row { margin-bottom: 18px; }
.slider-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.slider-head label { color: var(--text); }
.slider-value { min-width: 58px; text-align: right; color: var(--red); font-weight: 900; }
.slider-row input[type="range"] { margin: 8px 0 2px; padding: 0; accent-color: var(--ink); }
.slider-row small { display: block; color: var(--muted); font-size: 9px; line-height: 1.4; }
.simulation-panel { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-soft); }
.simulation-header { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.simulation-label { color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.simulation-header h3 { margin: 5px 0 0; color: var(--ink); font: 800 28px/1.35 var(--serif); }
.simulation-header p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.simulation-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.result-bars { margin: 28px 0; display: grid; gap: 12px; }
.result-bar-row { display: grid; grid-template-columns: 120px 1fr 44px; gap: 12px; align-items: center; }
.result-bar-name { font-size: 11px; font-weight: 800; }
.result-bar-track { height: 16px; border-radius: 999px; overflow: hidden; background: var(--surface-2); }
.result-bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ink), var(--gold)); transition: width .65s ease; }
.result-bar-score { color: var(--red); font-weight: 900; }
.result-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.result-card { padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper-2); }
.result-card span { display: block; color: var(--muted); font-size: 9px; letter-spacing: .1em; }
.result-card strong { display: block; margin: 7px 0 3px; color: var(--ink); font: 800 19px/1.3 var(--serif); }
.result-card p { margin: 0; color: var(--muted); font-size: 9px; }
.mechanism-card { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--gold) 7%, var(--surface)); }
.mechanism-card h3 { margin: 0; font: 800 21px/1.35 var(--serif); color: var(--ink); }
.mechanism-card > p { color: var(--muted); font-size: 11px; }
.mechanism-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.mechanism-tags span { padding: 6px 10px; border-radius: 999px; color: #fff; background: var(--red); font-size: 10px; }
.disclaimer { margin-top: 12px; padding: 10px 12px; border-left: 3px solid var(--red); color: var(--muted); background: var(--paper-2); font-size: 9px; }
.ai-maturity { margin-top: 54px; }
.maturity-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.maturity-card { position: relative; min-height: 230px; padding: 22px 18px; background: var(--surface); }
.maturity-card .maturity-level { color: var(--gold); font: 900 28px/1 var(--serif); }
.maturity-card h4 { margin: 10px 0; color: var(--ink); font: 800 18px/1.35 var(--serif); }
.maturity-card p { color: var(--muted); font-size: 10px; }
.maturity-card strong { position: absolute; bottom: 18px; left: 18px; right: 18px; color: var(--red); font-size: 10px; }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan-card { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.plan-card .plan-period { color: var(--gold); font-weight: 900; }
.plan-card h3 { margin: 8px 0; color: var(--ink); font: 800 18px/1.35 var(--serif); }
.plan-card p { color: var(--muted); font-size: 10px; }
.progress-card { margin-top: 24px; color: var(--text); border-color: var(--line); background: var(--surface); }
.progress-heading { display: flex; justify-content: space-between; align-items: center; }
.progress-heading h3 { margin: 0; font: 800 24px/1.35 var(--serif); color: var(--ink); }
.progress-heading strong { color: var(--red); font-size: 28px; }
.progress-bar { margin: 16px 0 22px; height: 9px; border-radius: 999px; overflow: hidden; background: var(--surface-2); }
.progress-bar span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ink), var(--gold)); transition: width .3s ease; }
.checklist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 14px; }
.check-item { display: flex; align-items: flex-start; gap: 8px; padding: 9px; border-radius: 10px; background: var(--paper-2); color: var(--muted); font-size: 10px; }
.check-item input { width: auto; margin: 2px 0 0; accent-color: var(--ink); }
.work-package-wrap { margin-top: 56px; }
.work-packages { display: grid; gap: 8px; }
.wp-row { display: grid; grid-template-columns: 76px 190px 120px 1fr; gap: 12px; align-items: center; padding: 13px 15px; border: 1px solid var(--line); background: var(--surface); }
.wp-id { color: var(--red); font-weight: 900; }
.wp-name { color: var(--ink); font-weight: 800; }
.wp-range { color: var(--gold); font-size: 10px; }
.wp-goal { color: var(--muted); font-size: 10px; }
.gates-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.gate-card { padding: 18px; border-top: 4px solid var(--ink); background: var(--surface); box-shadow: var(--shadow-soft); }
.gate-card h3 { margin: 0 0 8px; color: var(--ink); font: 800 18px/1.3 var(--serif); }
.gate-card p { color: var(--muted); font-size: 9px; }
.gate-card strong { display: block; margin-top: 10px; color: var(--red); font-size: 9px; }

.figure-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.figure-card { padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow-soft); }
.figure-card button { width: 100%; padding: 0; border: 0; background: transparent; }
.figure-card img { aspect-ratio: 16/10; object-fit: contain; background: #fff; }
.figure-card figcaption { padding: 12px 14px; color: var(--ink); font-size: 11px; font-weight: 800; }
.figure-dialog { width: min(94vw, 1180px); max-height: 92vh; padding: 18px; border: 0; border-radius: 20px; background: var(--surface); box-shadow: 0 30px 90px rgba(0,0,0,.45); }
.figure-dialog::backdrop { background: rgba(4,14,15,.78); backdrop-filter: blur(6px); }
.figure-dialog img { max-height: 76vh; margin: auto; object-fit: contain; }
.figure-dialog p { margin: 12px 40px 0 0; color: var(--ink); font-weight: 800; }
.dialog-close { position: absolute; right: 14px; top: 12px; width: 38px; height: 38px; border: 0; border-radius: 50%; color: #fff; background: var(--ink); font-size: 22px; }

.source-search { margin-left: auto; margin-bottom: 22px; color: var(--text); }
.source-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.source-item { display: grid; grid-template-columns: 48px 1fr 38px; gap: 12px; align-items: center; padding: 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; background: rgba(255,255,255,.055); }
.source-id { color: #e8c889; font-weight: 900; }
.source-item h3 { margin: 0; font-size: 12px; }
.source-item p { margin: 2px 0 0; color: #bcd0cc; font-size: 9px; }
.source-item a { width: 34px; height: 34px; display: grid; place-items: center; text-decoration: none; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; color: #e8c889; }

.site-footer { padding: 50px max(28px, calc((100vw - 1384px) / 2)) 88px; display: grid; grid-template-columns: 1fr auto; gap: 20px; border-top: 1px solid var(--line); background: var(--paper); }
.site-footer strong { color: var(--ink); font: 800 22px/1.3 var(--serif); }
.site-footer p { margin: 5px 0; color: var(--muted); font-size: 11px; }
.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.footer-meta span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 9px; }
.footer-boundary { grid-column: 1 / -1; padding-top: 14px; border-top: 1px solid var(--line); }
.mobile-nav { display: none; }
.back-top {
  position: fixed; right: 20px; bottom: 22px; z-index: 80;
  width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; color: #fff; background: var(--ink); box-shadow: var(--shadow-soft); opacity: 0; pointer-events: none; transform: translateY(10px); transition: .2s ease;
}
.back-top.show { opacity: 1; pointer-events: auto; transform: none; }
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 200;
  max-width: min(90vw, 520px);
  padding: 11px 16px;
  border-radius: 999px;
  color: #fff;
  background: #122e30;
  box-shadow: var(--shadow);
  transform: translate(-50%, 140%);
  opacity: 0;
  transition: .25s ease;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.reveal { animation: rise .7s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

@media (max-width: 1180px) {
  .desktop-nav a:nth-child(4), .desktop-nav a:nth-child(8) { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .architecture-grid, .hypothesis-grid { grid-template-columns: repeat(2, 1fr); }
  .decision-strip { grid-template-columns: repeat(2, 1fr); }
  .prompt-grid { grid-template-columns: repeat(2, 1fr); }
  .field-grid.four { grid-template-columns: repeat(2, 1fr); }
  .gates-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-height: 64px; }
  .header-inner { padding: 0 18px; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .install-button { display: none !important; }
  .hero { padding-inline: 18px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 520px; }
  .loom-card { min-height: 470px; }
  .stats-panel { bottom: -40px; }
  .section { padding-inline: 18px; }
  .split-heading { grid-template-columns: 1fr; gap: 10px; }
  .architecture-grid { grid-template-columns: 1fr 1fr; }
  .timeline-shell { grid-template-columns: 1fr; }
  .timeline-nav { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .timeline-tab { flex: 0 0 245px; scroll-snap-align: start; }
  .timeline-detail { position: static; }
  .network-layout, .radar-layout, .jiangyin-grid, .evidence-lab, .sandbox-layout { grid-template-columns: 1fr; }
  .network-canvas, .network-canvas svg { min-height: 480px; }
  .case-panel { min-height: 0; }
  .chain-row { grid-template-columns: 120px 1fr; }
  .chain-note { grid-column: 1 / -1; }
  .anchor-line { grid-template-columns: 1fr; }
  .anchor-line::before { display: none; }
  .anchor-card { min-height: 0; }
  .evidence-type-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-levels { grid-template-columns: repeat(2, 1fr); }
  .scenario-presets { grid-template-columns: 1fr 1fr; }
  .maturity-track { grid-template-columns: 1fr 1fr; }
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .checklist { grid-template-columns: repeat(2, 1fr); }
  .figure-gallery { grid-template-columns: repeat(2, 1fr); }
  .source-list { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; padding-bottom: 100px; }
  .footer-meta { justify-content: flex-start; }
  .mobile-nav {
    position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 90;
    display: grid; grid-template-columns: repeat(5, 1fr);
    padding: 7px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
  }
  .mobile-nav a { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--muted); font-size: 9px; line-height: 1.25; }
  .mobile-nav span { color: var(--ink); font-size: 17px; }
  .back-top { bottom: 86px; }
}

@media (max-width: 620px) {
  .brand-text small { display: none; }
  .hero h1 { font-size: 58px; justify-content: space-between; }
  .hero-subtitle { font-size: 23px; }
  .hero-lead { font-size: 14px; }
  .hero blockquote { font-size: 17px; }
  .hero-actions .button { flex: 1 1 42%; }
  .hero-visual { min-height: 520px; }
  .loom-card { min-height: 450px; }
  .loom-center { width: 176px; height: 176px; }
  .loom-center strong { font-size: 22px; }
  .loom-center::before { inset: -20px; }
  .loom-center::after { inset: -42px; }
  .loom-node { min-width: 130px; padding: 9px 11px; }
  .loom-node b { font-size: 11px; }
  .node-region { left: 16px; top: 46px; }
  .node-county { right: 15px; top: 95px; }
  .node-micro { left: 15px; bottom: 70px; }
  .node-future { right: 15px; bottom: 42px; }
  .loom-node::after { width: 62px !important; }
  .stats-panel { left: 10px; right: 10px; padding: 13px 10px; }
  .site-stats b { font-size: 17px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); margin-top: 72px; }
  .section { padding-top: 68px; padding-bottom: 68px; }
  .section-heading h2 { font-size: 34px; }
  .architecture-grid, .hypothesis-grid, .decision-strip, .plan-grid { grid-template-columns: 1fr; }
  .architecture-card { min-height: 220px; }
  .timeline-detail { padding: 26px 20px; min-height: 0; }
  .timeline-meta { grid-template-columns: 1fr; }
  .network-canvas, .network-canvas svg { min-height: 420px; }
  .radar-chart { padding: 10px; }
  .radar-chart svg { min-height: 340px; }
  .chain-row { grid-template-columns: 1fr; }
  .chain-route { flex-wrap: wrap; }
  .chain-node { flex: 1 1 42%; }
  .chain-arrow { display: none; }
  .evidence-lines ol, .evidence-type-grid, .evidence-levels { grid-template-columns: 1fr; }
  .field-grid, .field-grid.four { grid-template-columns: 1fr; }
  .prompt-tools { align-items: stretch; flex-direction: column; }
  .search-box { min-width: 0; width: 100%; }
  .prompt-grid { grid-template-columns: 1fr; }
  .scenario-presets { grid-template-columns: 1fr; }
  .simulation-header { flex-direction: column; }
  .simulation-actions { justify-content: flex-start; }
  .result-bar-row { grid-template-columns: 90px 1fr 36px; }
  .result-detail-grid { grid-template-columns: 1fr; }
  .maturity-track { grid-template-columns: 1fr; }
  .maturity-card { min-height: 190px; }
  .checklist { grid-template-columns: 1fr; }
  .wp-row { grid-template-columns: 58px 1fr; }
  .wp-range, .wp-goal { grid-column: 2; }
  .gates-grid { grid-template-columns: 1fr; }
  .figure-gallery { grid-template-columns: 1fr; }
  .source-item { grid-template-columns: 42px 1fr 34px; }
}

@media print {
  .site-header, .mobile-nav, .back-top, .toast, .hero-actions, .install-button, .simulation-actions, .form-actions, .prompt-tools { display: none !important; }
  body { background: #fff; color: #111; }
  .section, .hero { padding: 28px 0; break-inside: avoid; }
  .section-deep { color: #111; background: #fff; }
  .section-deep .section-heading h2, .section-deep h3, .section-deep .case-panel, .section-deep p { color: #111 !important; }
  .network-canvas, .case-panel, .evidence-type-card, .evidence-level-card, .evidence-form, .evidence-list-wrap { border-color: #bbb; background: #fff; }
  .site-footer { padding: 24px 0; }
}