:root {
  --paper: #ffffff;
  --paper-light: #ffffff;
  --ink: #14283a;
  --muted: #66747d;
  --line: #d2d9dc;
  --panel: #f1f5f4;
  --signal: #245c4d;
  --signal-soft: #edf4f1;
  --case-accent: #245c4d;
  --danger: #9c493b;
  --font-editorial: Georgia, "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --font-interface: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-interface);
  line-height: 1.6;
}

button, input, select { font: inherit; }
a { color: inherit; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  min-height: 74px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.97);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; width: fit-content; }
.brand-mark { font-family: var(--font-editorial); font-size: 24px; font-weight: 700; letter-spacing: .12em; }
.brand-en { font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.primary-nav { display: flex; align-self: stretch; }
.primary-nav a { min-width: 104px; padding: 0 18px; display: grid; place-items: center; text-decoration: none; border-left: 1px solid var(--line); font-size: 13px; font-weight: 650; }
.primary-nav a:last-child { border-right: 1px solid var(--line); }
.primary-nav a[aria-current="page"] { background: var(--ink); color: var(--paper-light); }
.update-state { justify-self: end; display: flex; gap: 9px; align-items: center; font-size: 11px; letter-spacing: .05em; color: var(--muted); }
.state-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 3px rgba(36, 92, 77, .14); }

main { min-height: calc(100vh - 180px); }
.masthead { max-width: var(--max); margin: 0 auto; padding: 94px 24px 76px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.eyebrow, .section-index { margin: 0 0 22px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .2em; }
h1, h2, h3 { font-family: var(--font-editorial); }
h1 { max-width: 950px; margin: 0; font-size: clamp(46px, 7.6vw, 100px); font-weight: 600; letter-spacing: -.055em; line-height: 1.08; }
h1 i { font-family: var(--font-editorial); color: var(--danger); font-weight: 400; }
.subtitle { margin: 26px 0 0; font-family: var(--font-editorial); font-size: 19px; letter-spacing: .05em; }
.system-disclaimer { max-width: var(--max); margin: 36px auto 0; padding: 20px 24px; display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 24px; border-left: 4px solid var(--case-accent); background: #f2f6f5; }
.system-disclaimer strong, .case-disclaimer strong { color: var(--ink); font-size: 11px; letter-spacing: .12em; }
.system-disclaimer p, .case-disclaimer p { margin: 0; color: #536878; font-family: var(--font-interface); font-size: 14px; line-height: 1.8; }

.feed-view, .sources-view { border-top: 1px solid var(--ink); }
.toolbar { max-width: var(--max); min-height: 76px; margin: 0 auto; display: grid; grid-template-columns: minmax(260px, 1fr) auto auto auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.search-box, .select-control { padding: 14px 18px; display: flex; align-items: center; gap: 13px; border-right: 1px solid var(--line); color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 14px; letter-spacing: 0; }
.search-box input::placeholder { color: #89939a; }
.select-control { align-items: flex-start; flex-direction: column; gap: 2px; }
.select-control select { min-width: 122px; padding: 0 22px 0 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 13px; letter-spacing: 0; }
.filter-group { padding: 14px; display: flex; align-items: center; gap: 4px; border-right: 1px solid var(--line); }
.filter-button { padding: 7px 12px; border: 1px solid transparent; background: transparent; color: var(--muted); font-size: 12px; cursor: pointer; }
.filter-button.is-active { color: var(--ink); border-color: var(--ink); background: var(--paper-light); }

.feed-heading { max-width: var(--max); margin: 0 auto; padding: 54px 24px 28px; display: flex; justify-content: space-between; align-items: end; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.feed-heading .section-index { margin-bottom: 7px; }
.feed-heading h2, .sources-intro h2 { margin: 0; font-size: clamp(30px, 4vw, 50px); font-weight: 550; }
.result-count { margin: 0; color: var(--muted); font-size: 12px; }
.result-count strong { color: var(--ink); font-family: var(--font-editorial); font-size: 30px; font-weight: 400; margin-right: 4px; }

.timeline { max-width: var(--max); margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.case-card { display: grid; grid-template-columns: 148px 1fr 220px; border-top: 1px solid var(--line); background: var(--paper); transition: background .18s ease; }
.case-card:last-child { border-bottom: 1px solid var(--line); }
.case-card:hover { background: #f8faf9; }
.case-meta { padding: 28px 24px; border-right: 1px solid var(--line); background: #fafbfb; }
.case-date { margin: 0; font-family: var(--font-editorial); font-size: 24px; line-height: 1; }
.case-year { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; letter-spacing: .14em; }
.case-main { min-width: 0; padding: 28px 32px 30px; }
.tag-row { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 14px; }
.tag { padding: 2px 8px; border: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.tag.risk-high { border-color: var(--danger); color: var(--danger); }
.case-main h3 { margin: 0 0 12px; font-size: clamp(21px, 2.2vw, 30px); font-weight: 600; line-height: 1.35; }
.case-main p { max-width: 760px; margin: 0; color: #465767; font-size: 15px; line-height: 1.75; }
.cluster-indicator { margin-top: 18px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 10px; }
.cluster-indicator strong { flex: none; padding: 4px 7px; border: 1px solid var(--line); color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.cluster-indicator.is-multi-source strong { border-color: var(--case-accent); background: var(--signal-soft); color: var(--case-accent); }
.cluster-indicator span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.case-side { padding: 28px 24px; border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; gap: 24px; background: #fafbfb; }
.score-label { margin: 0; color: var(--muted); font-size: 10px; letter-spacing: .15em; }
.score { margin: 3px 0 0; font-family: var(--font-editorial); font-size: 30px; }
.score small { margin-left: 2px; color: var(--muted); font-family: var(--font-interface); font-size: 10px; font-weight: 500; }
.score-grade { margin: 2px 0 0; color: var(--case-accent); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.open-case { width: 100%; padding: 10px 14px; border: 1px solid var(--ink); color: var(--ink); background: transparent; text-align: left; font-size: 12px; font-weight: 700; cursor: pointer; }
.open-case:hover { background: var(--ink); color: var(--paper-light); }
.empty-state { max-width: var(--max); margin: 0 auto; padding: 60px 24px; text-align: center; border: 1px solid var(--line); color: var(--muted); }

.sources-intro { max-width: var(--max); margin: 0 auto; padding: 120px 24px 72px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.sources-intro .section-index { margin-bottom: 8px; }
.sources-intro h2 { max-width: 970px; font-size: clamp(46px, 6vw, 78px); line-height: 1.18; }
.sources-intro > p:last-child { max-width: 620px; color: var(--muted); }
.collection-principle { max-width: var(--max); margin: 0 auto; padding: 42px 44px; border-left: 4px solid var(--signal); background: #0d385f; color: var(--paper-light); }
.collection-principle .section-index { margin-bottom: 8px; color: var(--signal); }
.collection-principle h3 { margin: 0 0 18px; font-family: var(--font-editorial); font-size: 25px; }
.collection-principle > p:last-child { max-width: 990px; margin: 0; color: #c7d7e4; font-family: var(--font-interface); font-size: 17px; line-height: 1.9; }
.source-register-heading { max-width: var(--max); margin: 0 auto; padding: 96px 24px 30px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.source-register-heading .section-index { color: #0a6eb9; }
.source-register-heading h3 { margin: 0; font-family: var(--font-editorial); font-size: clamp(34px, 4vw, 52px); }
.source-register-heading > p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.source-status-summary { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.source-status-summary span { padding: 7px 10px; border: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.source-status-summary b { margin-right: 3px; color: var(--ink); font-family: var(--font-editorial); font-size: 15px; }
.source-controls { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 240px minmax(0, 1fr) 150px 150px; border: 1px solid var(--line); border-bottom: 0; background: var(--paper-light); }
.source-controls { font-family: var(--font-interface); }
.source-search, .source-layer-filter, .source-status-filter { min-width: 0; padding: 13px 15px; display: grid; gap: 5px; }
.source-search { border-right: 1px solid var(--line); }
.source-layer-filter, .source-status-filter { border-left: 1px solid var(--line); }
.source-search span, .source-layer-filter span, .source-status-filter span { color: #60717d; font-size: 9px; font-weight: 600; line-height: 1.35; letter-spacing: .08em; }
.source-search input, .source-layer-filter select, .source-status-filter select { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font: inherit; font-size: 13px; font-weight: 450; line-height: 1.45; letter-spacing: 0; }
.source-search input::placeholder { color: #7a858d; font-weight: 400; }
.source-group-filter { padding: 9px 12px; display: flex; align-items: center; gap: 3px; flex-wrap: wrap; }
.source-group-filter button { padding: 7px 9px; border: 1px solid transparent; background: transparent; color: #667681; cursor: pointer; font: inherit; font-size: 12px; font-weight: 500; line-height: 1.2; letter-spacing: 0; }
.source-group-filter button:hover { color: var(--ink); }
.source-group-filter button.is-active { border-color: var(--ink); color: var(--ink); background: #f5f7f7; font-weight: 650; }
.source-visible-count { max-width: var(--max); margin: 0 auto; padding: 10px 14px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); color: var(--muted); font-size: 10px; text-align: right; }
.source-visible-count strong { color: var(--ink); font-family: var(--font-editorial); font-size: 14px; }
.source-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.source-empty { grid-column: 1 / -1; margin: 0; padding: 70px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); text-align: center; }
.source-card { min-width: 0; min-height: 470px; padding: 34px 36px 26px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-light); }
.source-card:nth-child(4n+3), .source-card:nth-child(4n+4) { background: #f5f8f8; }
.source-card.layer-commercial { box-shadow: inset 4px 0 0 #8b6757; }
.source-card.layer-industry { box-shadow: inset 4px 0 0 #167f87; }
.source-card.layer-social { box-shadow: inset 4px 0 0 var(--case-accent); }
.source-card > header { display: flex; justify-content: space-between; color: var(--muted); font-family: var(--font-interface); font-size: 11px; }
.source-card > h3 { max-width: 520px; margin: 64px 0 18px; font-family: var(--font-editorial); font-size: clamp(27px, 3vw, 39px); line-height: 1.35; }
.source-card > p { max-width: 540px; margin: 0; color: #536878; font-family: var(--font-interface); font-size: 16px; line-height: 1.85; }
.source-card .source-purpose { margin-top: 18px; padding-left: 12px; border-left: 3px solid var(--signal); font-family: inherit; font-size: 12px; line-height: 1.65; }
.source-purpose b { margin-right: 8px; color: var(--ink); font-size: 9px; letter-spacing: .1em; }
.source-tags { margin: 26px 0 34px; display: flex; flex-wrap: wrap; gap: 8px; }
.source-tags span { padding: 6px 10px; background: #d9e8f3; color: #173a58; font-size: 11px; }
.source-card dl { margin: auto 0 0; padding: 18px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.source-card dl div { min-width: 0; }
.source-card dt { color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.source-card dd { margin: 4px 0 0; overflow-wrap: anywhere; font-size: 11px; }
.source-card > footer { margin: 0; padding: 16px 0 0; display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .04em; }
.source-card > footer a { color: #0067b2; font-size: 12px; font-weight: 750; text-decoration: none; }
.source-card > footer a:hover { text-decoration: underline; }
.source-governance { max-width: var(--max); margin: 96px auto 0; border: 1px solid #557590; background: #0d385f; color: var(--paper-light); }
.governance-heading { padding: 52px 36px 44px; display: flex; justify-content: space-between; align-items: end; gap: 30px; border-bottom: 1px solid #557590; }
.governance-heading .section-index { margin-bottom: 5px; }
.governance-heading .section-index { color: #8fb9d7; }
.governance-heading h3 { margin: 24px 0 0; font-size: clamp(40px, 5vw, 66px); font-weight: 500; line-height: 1.25; }
.governance-heading > p { max-width: 360px; margin: 0; color: #9fbbd1; font-size: 12px; }
.processing-chain { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.processing-chain article { position: relative; min-width: 0; min-height: 250px; padding: 42px 36px; border-right: 1px solid #557590; border-bottom: 1px solid #557590; }
.processing-chain article:nth-child(2n) { border-right: 0; }
.processing-chain article:nth-last-child(-n+2) { border-bottom: 0; }
.processing-chain article span { display: block; margin-bottom: 74px; color: var(--signal); font-family: var(--font-editorial); font-size: 33px; }
.processing-chain article strong { display: block; font-family: var(--font-editorial); font-size: 25px; }
.processing-chain article p { margin: 8px 0 0; color: #9fbbd1; font-size: 12px; line-height: 1.6; }
.verification-rule { margin: 0; padding: 22px 36px; border-top: 1px solid #557590; background: #0b3154; color: #b9cddd; font-size: 12px; }
.verification-rule b { margin-right: 10px; color: var(--signal); font-size: 9px; letter-spacing: .13em; }
.health { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.health::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.health-healthy { color: #0067b2; }
.health-healthy::before { background: #0067b2; }
.health-watch { color: #8a6d00; }
.health-watch::before { background: var(--signal); }
.health-paused::before { background: var(--danger); }
.health-pending::before { background: #8495a2; }
.source-snapshot-note { max-width: var(--max); margin: 14px auto 0; padding: 0 4px; color: var(--muted); font-size: 10px; }
.rss-discovery-flow { max-width: var(--max); margin: 40px auto 0; padding: 28px 32px; border: 1px solid var(--line); background: #f5f8f8; }
.rss-discovery-flow ol { margin: 20px 0 14px; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); list-style: none; }
.rss-discovery-flow li { position: relative; padding: 12px 24px 12px 12px; border: 1px solid var(--line); color: var(--ink); font-size: 11px; }
.rss-discovery-flow li:not(:last-child)::after { content: "→"; position: absolute; right: 7px; color: #0a6eb9; }
.rss-discovery-flow > p:last-child { margin: 0; color: var(--muted); font-size: 11px; }
.social-source-rule { max-width: var(--max); margin: 14px auto 0; padding: 18px 24px; border-left: 4px solid var(--case-accent); background: #f1f6f3; color: #455d52; font-size: 12px; line-height: 1.75; }
.social-source-rule b { margin-right: 10px; color: var(--case-accent); font-size: 9px; letter-spacing: .13em; }

footer { max-width: var(--max); margin: 80px auto 0; padding: 30px 24px; display: flex; justify-content: space-between; border-top: 1px solid var(--ink); color: var(--muted); font-size: 10px; letter-spacing: .12em; }

.case-dialog { width: min(920px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--ink); background: var(--paper-light); color: var(--ink); }
.case-dialog::backdrop { background: rgba(16, 34, 56, .66); }
.dialog-shell { margin: 0; font-family: var(--font-interface); font-weight: 400; }
.dialog-header { position: sticky; top: 0; z-index: 2; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--ink); background: var(--paper-light); }
.dialog-header p { margin: 0; font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.close-button { border: 0; background: transparent; color: var(--ink); cursor: pointer; font-size: 12px; }
.dialog-content { padding: clamp(24px, 5vw, 56px); }
.dialog-content h2 { margin: 0 0 16px; font-family: var(--font-editorial); font-size: clamp(32px, 5vw, 52px); font-weight: 600; letter-spacing: -.025em; line-height: 1.25; }
.original-title { margin: 0 0 34px; padding-bottom: 24px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.case-summary { color: #35495a; font-family: var(--font-interface); font-size: 17px; font-weight: 400; line-height: 1.85; }
.value-score-panel { margin: 34px 0; border: 1px solid var(--ink); background: #f4f7f6; }
.value-score-panel > header { padding: 20px 22px; display: flex; justify-content: space-between; align-items: end; gap: 20px; border-bottom: 1px solid var(--line); }
.value-score-panel > header strong { font-family: var(--font-editorial); font-size: 42px; font-weight: 500; line-height: 1; }
.value-score-panel > header strong small { margin-left: 4px; color: var(--muted); font-family: var(--font-interface); font-size: 11px; }
.value-score-panel > header > span { padding: 5px 9px; border: 1px solid var(--case-accent); color: var(--case-accent); font-size: 10px; font-weight: 750; letter-spacing: .08em; }
.score-breakdown { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.score-breakdown > div { min-width: 0; padding: 14px 12px; border-right: 1px solid var(--line); }
.score-breakdown > div:last-child { border-right: 0; }
.score-breakdown span { display: block; min-height: 32px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.score-breakdown strong { display: block; margin-top: 5px; font-family: var(--font-editorial); font-size: 22px; font-weight: 500; }
.score-breakdown strong small { margin-left: 2px; color: var(--muted); font-family: var(--font-interface); font-size: 9px; }
.value-score-panel > p { margin: 0; padding: 12px 22px; border-top: 1px solid var(--line); color: #52635b; font-size: 10px; line-height: 1.7; }
.five-fields { margin: 34px 0; border-top: 1px solid var(--ink); }
.field-row { display: grid; grid-template-columns: 125px 1fr; border-bottom: 1px solid var(--line); }
.field-row dt, .field-row dd { margin: 0; padding: 16px 0; }
.field-row dt { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.field-row dd { color: #35495a; font-size: 15px; font-weight: 400; line-height: 1.75; }
.case-section { margin-top: 34px; }
.case-section h3 { margin: 0 0 10px; font-size: 19px; font-weight: 600; }
.case-section p, .case-section li { color: #465767; font-size: 15px; font-weight: 400; line-height: 1.8; }
.case-section ol { padding-left: 22px; }
.business-understanding { margin-top: 38px; padding: 28px; border: 1px solid var(--ink); background: var(--panel); }
.module-kicker { margin: 0 0 8px !important; color: var(--muted) !important; font-size: 9px !important; font-weight: 800; letter-spacing: .18em; }
.business-understanding h3, .learning-card h3 { margin: 0 0 12px; font-size: 28px; font-weight: 600; letter-spacing: -.015em; }
.business-understanding > p:last-child { margin: 0; color: #243d50; font-family: var(--font-interface); font-size: 17px; font-weight: 400; line-height: 1.95; }
.context-keyword { font-style: normal; }
.keyword-concept { color: var(--ink); font-weight: 750; }
.keyword-risk { padding: 0 .08em; color: var(--danger); font-weight: 700; background: rgba(165, 73, 55, .08); }
.keyword-action { color: var(--case-accent); font-weight: 700; text-decoration-line: underline; text-decoration-color: var(--case-accent); text-decoration-thickness: 3px; text-underline-offset: 4px; }
.keyword-legend { margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.keyword-legend span { padding: 3px 7px; border: 1px solid var(--line); background: rgba(255, 255, 255, .8); font-size: 9px; font-weight: 650; letter-spacing: .06em; }
.keyword-legend .legend-risk { color: var(--danger); }
.keyword-legend .legend-action { color: var(--case-accent); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 2px; }
.keyword-empty-note { margin: 0 0 14px; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .03em; }
.learning-card { margin-top: 38px; border: 1px solid var(--ink); }
.learning-card > header { padding: 24px 28px 18px; border-bottom: 1px solid var(--ink); }
.learning-card > header h3 { margin-bottom: 0; }
.learning-grid { display: grid; grid-template-columns: 1fr 1fr; }
.learning-block { min-width: 0; padding: 24px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.learning-block:nth-child(2n) { border-right: 0; }
.learning-block > span { display: block; margin-bottom: 18px; color: #526674; font-size: 12px; font-weight: 750; line-height: 1.4; letter-spacing: .1em; }
.learning-block ol { margin: 0; padding-left: 18px; }
.learning-block li { margin-bottom: 8px; font-size: 13px; }
.interview-block { grid-column: 1 / -1; border-right: 0; }
.interview-block ol { list-style: none; padding: 0; counter-reset: interview; }
.interview-question { margin: 0 !important; padding: 0 0 18px; counter-increment: interview; }
.interview-question + .interview-question { padding-top: 18px; border-top: 1px solid var(--line); }
.interview-question > strong { display: block; color: var(--ink); font-family: var(--font-editorial); font-size: 17px; line-height: 1.6; }
.interview-question > strong::before { content: counter(interview, decimal-leading-zero) " / "; color: var(--danger); font-family: var(--font-editorial); font-size: 11px; }
.interview-question p { margin: 12px 0 12px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.interview-question p b { margin-right: 10px; color: var(--ink); font-size: 13px; font-weight: 750; letter-spacing: .05em; }
.answer-keywords { display: flex; flex-wrap: wrap; gap: 6px; }
.answer-keywords mark { padding: 3px 7px; border: 1px solid var(--case-accent); background: transparent; color: var(--case-accent); font-size: 10px; font-weight: 750; }
.learning-wide { grid-column: 1 / -1; border-right: 0; }
.core-knowledge-block { grid-column: 1 / -1; border-right: 0; }
.core-knowledge-list { display: grid; gap: 1px; border: 1px solid var(--line); background: var(--line); }
.core-knowledge-list article { padding: 18px; background: var(--paper-light); }
.core-knowledge-list article header { display: flex; align-items: baseline; gap: 10px; }
.core-knowledge-list small { color: var(--danger); font-family: var(--font-editorial); font-size: 10px; }
.core-knowledge-list h4 { margin: 0; color: var(--ink); font-family: var(--font-editorial); font-size: 20px; font-weight: 600; letter-spacing: .01em; }
.core-knowledge-list p { margin: 14px 0 0; display: grid; grid-template-columns: 94px minmax(0, 1fr); gap: 12px; color: #5d6c77; font-size: 15px; font-weight: 400; line-height: 1.85; }
.core-knowledge-list p b { color: var(--ink); font-size: 13px; font-weight: 750; letter-spacing: .035em; }
.core-knowledge-list p span { min-width: 0; }
.learning-block blockquote { margin: 0; padding: 0; }
.learning-block blockquote + blockquote { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.learning-block blockquote p { margin: 0; color: var(--ink); font-family: var(--font-editorial); font-size: 20px; line-height: 1.6; }
.learning-block blockquote .legal-english-keyword { color: inherit; font-weight: 800; }
.learning-block blockquote footer { margin-top: 6px; padding: 0; border: 0; color: var(--muted); font-size: 12px; letter-spacing: 0; }
.word-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.word-notes article { padding: 16px; background: var(--paper-light); }
.word-notes strong { display: block; font-family: var(--font-editorial); font-size: 18px; }
.word-notes i { display: block; margin-top: 2px; color: var(--muted); font-family: var(--font-editorial); font-size: 12px; }
.word-notes small { display: block; margin-top: 6px; color: var(--danger); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.word-notes p { margin: 5px 0 0; color: var(--ink); font-size: 12px; }
.evidence-chain { padding-top: 30px; border-top: 1px solid var(--ink); }
.case-disclaimer { margin-top: 34px; padding: 20px 22px; display: grid; gap: 10px; border: 1px solid var(--line); border-left: 4px solid var(--signal); background: #f4f7f6; }
.evidence-heading { display: flex; justify-content: space-between; align-items: end; }
.evidence-heading h3 { margin-bottom: 0; }
.evidence-heading > strong { font-family: var(--font-editorial); font-size: 36px; font-weight: 400; }
.evidence-note { max-width: 650px; margin: 12px 0 20px; }
.source-records { margin: 0; padding: 0 !important; list-style: none; border-top: 1px solid var(--line); }
.source-records li { padding: 16px 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 20px; border-bottom: 1px solid var(--line); }
.source-records li div { min-width: 0; }
.source-records span { display: block; margin-bottom: 5px; color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .08em; }
.source-records strong { display: block; color: var(--ink); font-family: var(--font-editorial); font-size: 16px; line-height: 1.55; }
.source-records small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.source-records a { color: #0067b2; font-size: 11px; font-weight: 750; text-decoration: none; white-space: nowrap; }
.source-records a:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .site-header { padding: 0 16px; grid-template-columns: 1fr auto; }
  .primary-nav { order: 3; grid-column: 1 / -1; margin: 0 -16px; border-top: 1px solid var(--line); }
  .primary-nav a { flex: 1; min-width: 0; padding: 11px 8px; }
  .update-state { font-size: 0; }
  .masthead { padding: 62px 20px 54px; border: 0; }
  .system-disclaimer { margin-top: 20px; grid-template-columns: 1fr; gap: 8px; }
  .toolbar { grid-template-columns: 1fr 1fr; border-left: 0; border-right: 0; }
  .search-box { grid-column: 1 / -1; border-bottom: 1px solid var(--line); }
  .filter-group { grid-column: 1 / -1; justify-content: center; border-bottom: 1px solid var(--line); }
  .select-control:nth-last-child(1) { border-right: 0; }
  .feed-heading { border: 0; padding: 42px 20px 22px; }
  .timeline { border: 0; }
  .case-card { grid-template-columns: 82px 1fr; }
  .case-meta { padding: 24px 14px; }
  .case-date { font-size: 20px; }
  .case-main { padding: 23px 18px; }
  .case-side { grid-column: 2; padding: 0 18px 22px; border: 0; flex-direction: row; align-items: end; }
  .score { font-size: 24px; }
  .open-case { width: auto; min-width: 130px; }
  .sources-intro { border: 0; padding: 72px 20px 42px; }
  .sources-intro h2 { font-size: clamp(38px, 8vw, 58px); }
  .collection-principle { padding: 34px 24px; }
  .source-register-heading { padding: 72px 20px 26px; border: 0; }
  .source-controls { grid-template-columns: 1fr; border-left: 0; border-right: 0; }
  .source-search, .source-layer-filter, .source-status-filter { border: 0; border-bottom: 1px solid var(--line); }
  .source-status-filter { border-top: 1px solid var(--line); border-bottom: 0; }
  .source-visible-count { border: 0; }
  .source-grid { grid-template-columns: 1fr; border-left: 0; }
  .source-card { min-height: 420px; border-right: 0; }
  .source-card:nth-child(odd) { background: var(--paper-light); }
  .source-card:nth-child(even) { background: #f5f8f8; }
  .source-governance { border-left: 0; border-right: 0; }
  .governance-heading { padding: 42px 24px 34px; align-items: flex-start; flex-direction: column; gap: 18px; }
  .processing-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .processing-chain article:nth-child(2n) { border-right: 0; }
  .processing-chain article { padding: 32px 24px; border-bottom: 1px solid #557590; }
  .processing-chain article:nth-last-child(-n+2) { border-bottom: 0; }
  .source-snapshot-note { margin: 12px 20px 50px; }
  .rss-discovery-flow { margin: 34px 20px 0; }
  .rss-discovery-flow ol { grid-template-columns: 1fr; }
  .rss-discovery-flow li:not(:last-child)::after { content: "↓"; }
  footer { margin-top: 50px; padding: 24px 20px; gap: 20px; flex-direction: column; }
}

@media (max-width: 520px) {
  .brand-en { display: none; }
  h1 { font-size: 43px; }
  .subtitle { font-size: 16px; }
  .toolbar { grid-template-columns: 1fr; }
  .filter-group, .search-box { grid-column: 1; }
  .select-control { border-bottom: 1px solid var(--line); border-right: 0; }
  .feed-heading { align-items: flex-start; }
  .result-count { margin-top: 8px; }
  .result-count strong { font-size: 22px; }
  .case-card { grid-template-columns: 64px minmax(0, 1fr); }
  .case-meta { padding: 20px 10px; }
  .case-date { font-size: 16px; }
  .case-main { padding: 20px 14px; }
  .case-main h3 { font-size: 21px; overflow-wrap: anywhere; }
  .cluster-indicator { align-items: flex-start; flex-direction: column; gap: 7px; }
  .cluster-indicator span { max-width: 100%; }
  .case-side { padding: 0 14px 20px; }
  .open-case { min-width: 116px; }
  .dialog-content { padding: 24px 18px 38px; }
  .field-row { grid-template-columns: 1fr; padding: 12px 0; }
  .field-row dt, .field-row dd { padding: 2px 0; }
  .business-understanding { padding: 22px 18px; }
  .learning-grid { grid-template-columns: 1fr; }
  .learning-block, .learning-block:nth-child(2n) { grid-column: 1; border-right: 0; }
  .core-knowledge-list p { grid-template-columns: 1fr; gap: 3px; }
  .word-notes { grid-template-columns: 1fr; }
  .score-breakdown { grid-template-columns: 1fr 1fr; }
  .score-breakdown > div { border-bottom: 1px solid var(--line); }
  .score-breakdown > div:nth-child(2n) { border-right: 0; }
  .score-breakdown > div:last-child { border-bottom: 0; }
  .source-records li { align-items: start; }
  .source-card { min-height: 0; padding: 26px 20px 22px; }
  .source-card > h3 { margin-top: 44px; }
  .source-card dl { grid-template-columns: 1fr 1fr; row-gap: 14px; }
  .source-card > footer { align-items: flex-start; flex-direction: column; }
  .governance-heading h3 { font-size: 38px; }
  .processing-chain { grid-template-columns: 1fr; }
  .processing-chain article, .processing-chain article:nth-child(2n) { min-height: 220px; border-right: 0; border-bottom: 1px solid #557590; }
  .processing-chain article span { margin-bottom: 52px; }
  .processing-chain article:last-child { border-bottom: 0; }
}