:root {
  --bg: #FAFAF7;
  --panel: #FFFFFF;
  --ink: #242424;
  --text: #3D3D3D;
  --muted: #77736C;
  --border: #E6E1D8;
  --soft: #F3F0EA;
  --orange: #A85600;
  --orange-soft: #FFF5EB;
  --slate: #4E6273;
  --slate-soft: #E7EDF1;
  --olive: #5C6B3A;
  --olive-soft: #F1F2E6;
  --plum: #71586E;
  --plum-soft: #F0E8EF;
  --red: #9B3E35;
  --serif-cn: "Noto Serif SC", Georgia, serif;
  --serif-en: Georgia, "Noto Serif SC", serif;
  --sans: "Lato", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow: 0 14px 36px rgba(50, 43, 32, .08);
  --radius: 9px;
  --accent: var(--orange);
  --accent-soft: var(--orange-soft);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.layer-2 { --accent: var(--slate); --accent-soft: var(--slate-soft); }
body.layer-3 { --accent: var(--olive); --accent-soft: var(--olive-soft); }
body.layer-4 { --accent: var(--plum); --accent-soft: var(--plum-soft); }
body.layer-1,
body.layer-2,
body.layer-3,
body.layer-4 { padding: 22px 16px 40px; }
a { color: inherit; }


.page,
.subject-wrap {
  width: min(100%, 780px);
  margin: 0 auto;
  padding: 32px 34px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.home-page {
  width: min(100% - 32px, 740px);
  margin: 0 auto;
  padding: 40px 0 52px;
}
.lesson-top-nav {
  width: min(100%, 780px);
  margin: 0 auto 12px;
}
.home-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #FCFBF8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.home-link:hover,
.home-link:focus-visible {
  border-color: var(--accent);
  background: var(--panel);
  color: var(--accent);
  outline: none;
}
.brand {
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 14px;
  letter-spacing: 2px;
  text-align: center;
}
.page-head {
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.layer-mark {
  margin-top: 14px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
h1 {
  margin: 5px auto 10px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: clamp(25px, 5vw, 31px);
  line-height: 1.4;
}
.page-lead {
  width: min(100%, 650px);
  margin: 0 auto;
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.95;
  text-align: left;
}
.page-lead strong,
.lesson-rule strong,
.exit-line strong { color: var(--accent); }
.section-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 27px 0 12px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 18px;
  line-height: 1.5;
}
.section-title::before {
  content: "";
  width: 4px;
  height: 19px;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}
.lesson-rule {
  margin: 18px 0;
  padding: 14px 17px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent-soft);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.lesson-rule p { margin: 0; }
.small-note {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.7;
  text-align: center;
}
.exit-line {
  margin-top: 24px;
  padding: 15px 17px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.85;
  text-align: center;
}


.home-head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.home-title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .5em;
  margin-top: 18px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
}
.home-title .sep { color: var(--orange); font-weight: 400; }
.home-visual {
  margin: 18px 0 0;
}
.home-visual .editorial-visual-frame {
  aspect-ratio: 16 / 7.5;
  border-radius: var(--radius);
}
.home-visual figcaption {
  justify-content: flex-end;
  margin: 7px 3px 0;
}
.home-intro {
  margin: 20px 0 17px;
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
  text-align: center;
}
.portal-list { display: grid; gap: 12px; }
.portal-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px 17px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--portal-c, var(--orange));
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.portal-item:hover,
.portal-item:focus-visible {
  border-color: #D8C8B1;
  background: #FFFDF9;
  outline: none;
  transform: translateY(-1px);
}
.portal-item:focus-visible {
  outline: 2px solid var(--portal-c);
  outline-offset: 3px;
}
.portal-item:nth-child(2) { --portal-c: var(--slate); }
.portal-item:nth-child(3) { --portal-c: var(--olive); }
.portal-item:nth-child(4) { --portal-c: var(--plum); }
.portal-item.portal-simple { grid-template-columns: minmax(0, 1fr) auto; }
.portal-index {
  color: var(--portal-c);
  font-family: var(--serif-en);
  font-size: 19px;
  font-weight: 700;
  text-align: center;
}
.portal-title {
  display: block;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}
.portal-question {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.65;
}
.portal-arrow { color: var(--portal-c); font-family: var(--serif-cn); font-size: 18px; }


.home-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.subject-head {
  padding: 4px 0 20px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.subject-head h1,
.page-head h1 {
  margin: 14px auto 16px;
  font-size: clamp(25px, 4vw, 29px);
  text-align: center;
}
.subject-lead,
.page-lead {
  width: min(100%, 650px);
  margin: 0 auto;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 15.5px;
  line-height: 1.95;
  text-align: left;
}
.subject-lead strong { color: var(--orange); font-weight: 700; }
.lead-label {
  display: inline-block;
  margin-right: 3px;
  color: var(--accent);
  font-size: inherit;
  font-weight: 700;
  line-height: inherit;
  vertical-align: baseline;
}
.subject-section-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 24px 0 12px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 18px;
  line-height: 1.5;
}
.subject-section-title::before {
  content: "";
  width: 4px;
  height: 19px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--orange);
}
.congress-board {
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #FCFBF8;
}
.congress-identity {
  display: grid;
  place-items: center;
  padding: 15px 18px;
  border: 2px solid var(--orange);
  border-radius: var(--radius);
  background: var(--orange-soft);
  text-align: center;
}
.congress-kicker {
  color: var(--orange);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.1px;
}
.congress-identity strong {
  margin-top: 2px;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 23px;
  line-height: 1.35;
}
.congress-identity > span:last-child { color: var(--muted); font-size: 12px; }
.bicameral-band {
  margin: 9px 0 12px;
  padding: 7px 12px;
  border-radius: 6px;
  background: var(--soft);
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.6;
  text-align: center;
}
.bicameral-band span {
  margin-right: 8px;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: .6px;
}
.chamber-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 12px;
}
.chamber-system {
  --chamber-c: var(--orange);
  border-color: var(--border);
  border-top: 3px solid var(--chamber-c);
  background: var(--panel);
}
.house-system { --chamber-c: var(--slate); }
.chamber-summary {
  display: block;
  padding: 14px 14px 12px;
}
.chamber-summary::after { display: none; }
.chamber-heading { padding-right: 0; }
.chamber-no {
  display: block;
  color: var(--chamber-c);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .8px;
}
.chamber-heading strong {
  display: block;
  margin-top: 2px;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 17px;
  line-height: 1.42;
}
.chamber-heading strong i {
  margin-left: 5px;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
}
.chamber-heading > span:last-child {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
}
.chamber-inside-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-top: 10px;
}
.chamber-inside-line span {
  padding: 4px 3px;
  border-radius: 4px;
  background: var(--orange-soft);
  color: var(--chamber-c);
  font-family: var(--serif-en);
  font-size: 9.5px;
  font-weight: 700;
  text-align: center;
}
.house-system .chamber-inside-line span { background: var(--slate-soft); }
.subject-toggle {
  display: block;
  margin-top: 9px;
  color: var(--chamber-c);
  font-size: 11px;
  font-weight: 700;
  text-align: right;
}
.subject-toggle::before { content: "+ 展开院内结构"; }
.chamber-system[open] .subject-toggle::before { content: "− 收起院内结构"; }
.chamber-body {
  padding: 2px 14px 13px;
  border-top: 1px solid var(--border);
}
.system-layer {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--border-light, #F0EEEA);
}
.system-layer:first-child { border-top: 0; }
.system-tag {
  color: var(--chamber-c);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .5px;
}
.system-layer b {
  display: block;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 12.5px;
  line-height: 1.5;
}
.system-layer p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.7;
}
.same-text-rule {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 11px 13px;
  border: 1px dashed #D7C5A9;
  border-radius: var(--radius);
  background: #FFFDF9;
  text-align: center;
}
.same-text-rule > span {
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 12.5px;
  font-weight: 700;
}
.same-text-rule > b { color: var(--orange); font-size: 11.5px; }
.same-text-rule p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.7;
}
.actor-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.actor-row {
  display: grid;
  grid-template-columns: 180px 125px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
}
.actor-row:first-child { border-top: 0; }
.actor-row b { color: var(--orange); font-family: var(--serif-en); font-size: 13px; }
.actor-row > span { color: var(--ink); font-family: var(--serif-cn); font-size: 12.5px; font-weight: 700; }
.actor-row p { margin: 0; color: var(--muted); font-size: 11.5px; line-height: 1.7; }
.section-intro {
  margin: -2px 0 12px;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 13px;
  line-height: 1.8;
}
.committee-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}
.committee-actions article {
  padding: 12px 12px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #FCFBF8;
}
.committee-actions article > span {
  color: var(--orange);
  font-family: var(--serif-en);
  font-size: 12.5px;
  font-weight: 700;
}
.committee-actions h3 {
  margin: 2px 0 5px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 14px;
  line-height: 1.5;
}
.committee-actions p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.subject-pager {
  display: flex;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.subject-pager a {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #FCFBF8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.subject-pager a:hover,
.subject-pager a:focus-visible {
  border-color: var(--orange);
  background: var(--panel);
  color: var(--orange);
  outline: none;
}


.subject-parts {
  margin-top: 18px;
  border-top: 0;
  border-bottom: 0;
}
.subject-part {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: var(--panel);
}
.subject-part:first-child { border-top: 0; }
.subject-part-summary {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 22px 5px;
}
.subject-part-summary::after { display: none; }
.subject-part-kicker {
  color: var(--orange);
  font-family: var(--serif-en);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .8px;
}
.subject-part-name { display: block; }
.subject-part-name strong {
  display: inline;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 19.5px;
  line-height: 1.45;
}
.subject-part-name i {
  margin-left: 10px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 15.5px;
  font-style: normal;
  font-weight: 700;
}
.subject-part-name small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.55;
}
.part-toggle,
.sub-toggle {
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.part-toggle::before { content: "+ 展开"; }
.subject-part[open] > .subject-part-summary .part-toggle::before { content: "− 收起"; }
.subject-part-body {
  padding: 19px 5px 26px;
  border-top: 1px solid var(--border);
}
.part-intro {
  margin: 0 0 15px;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 15.5px;
  line-height: 1.9;
}
.congress-intro { margin-bottom: 16px; }
.congress-intro strong { color: var(--ink); font-weight: 700; }
.nested-chambers {
  display: grid;
  gap: 14px;
}
.subject-sub {
  --sub-c: var(--orange);
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #FCFBF8;
}
.house-sub { --sub-c: var(--slate); }
.relationship-sub { --sub-c: var(--slate); margin-top: 12px; }
.subject-sub-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-left: 4px solid var(--sub-c);
}
.subject-sub-summary::after { display: none; }
.sub-name { min-width: 0; }
.sub-name strong {
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 17.5px;
  line-height: 1.45;
}
.sub-name i {
  margin-left: 8px;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  font-style: normal;
  font-weight: 600;
}
.sub-name small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.55;
}
.sub-toggle { color: var(--sub-c); }
.sub-toggle::before { content: "+ 展开"; }
.subject-sub[open] > .subject-sub-summary .sub-toggle::before { content: "− 收起"; }
.dual-accent-sub > .subject-sub-summary {
  position: relative;
  border-left: 0;
}
.dual-accent-sub > .subject-sub-summary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--orange) 0 50%, var(--slate) 50% 100%);
}
.dual-accent-sub .sub-toggle { color: var(--muted); }
.senate-ref { color: var(--orange); }
.house-ref { color: var(--slate); }
.federal-ref { color: var(--orange); }
.state-ref { color: var(--slate); }
.dual-separator { color: var(--muted); }
.subject-sub-body {
  padding: 8px 18px 20px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.chamber-intro {
  margin: 8px 0 15px;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.chamber-intro strong { color: var(--sub-c); }
.inside-sequence { display: grid; gap: 10px; }
.inside-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #FCFBF8;
}
.inside-summary {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
}
.inside-summary::after { display: none; }
.inside-order {
  color: var(--sub-c);
  font-family: var(--serif-en);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .5px;
}
.inside-name { min-width: 0; }
.inside-name strong {
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 15.5px;
  line-height: 1.45;
}
.inside-name i {
  margin-left: 7px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
}
.inside-name small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
}
.inside-toggle {
  color: var(--sub-c);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.inside-toggle::before { content: "+ 展开"; }
.inside-item[open] > .inside-summary .inside-toggle::before { content: "− 收起"; }
.dual-inside > .inside-summary {
  position: relative;
  padding-left: 16px;
}
.dual-inside > .inside-summary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--orange) 0 50%, var(--slate) 50% 100%);
}
.dual-inside .inside-order,
.dual-inside .inside-toggle { color: var(--muted); }
.inside-body {
  padding: 5px 15px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.85;
}
.inside-body > p { margin: 10px 0 0; }
.inside-definition { font-family: var(--serif-cn); }
.inside-definition em { color: var(--sub-c); font-family: var(--serif-en); font-style: normal; font-weight: 700; }
.role-note {
  padding: 13px 0;
  border-top: 1px solid #F0EDE7;
}
.inside-definition + .role-note { margin-top: 10px; }
.role-note b,
.term-focus b {
  display: block;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 15px;
}
.role-note p,
.term-focus p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}
.term-focus { padding: 11px 0 4px; }
.member-work {
  margin: 9px 0 0;
  color: var(--muted);
}
.member-work em {
  color: var(--ink);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.committee-shared-body { padding-top: 12px; }
.committee-core {
  margin: 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.committee-core strong { color: var(--ink); }
.committee-sequence { margin-top: 15px; }
.committee-cues,
.committee-rule-list {
  margin-top: 12px;
  padding: 11px 13px;
  border-left: 3px solid var(--sub-c);
  border-radius: 8px;
  background: #FCFBF8;
}
.committee-cues b {
  display: block;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 13.5px;
}
.committee-cues p,
.committee-rule-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.committee-cues em {
  color: var(--ink);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.committee-rule-list p + p { margin-top: 8px; }
.committee-rule-list strong { color: var(--ink); }
.committee-difference .role-note:first-child { border-top: 0; }
.committee-difference .role-note b.senate-ref { color: var(--orange); }
.committee-difference .role-note b.house-ref { color: var(--slate); }
.relation-copy p {
  margin: 8px 0 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.relation-copy p strong { color: var(--ink); }
.federal-state-intro strong { color: var(--ink); }
.federal-congress-sub { --sub-c: var(--orange); }
.state-legislature-sub { --sub-c: var(--slate); }
.level-copy p {
  margin: 8px 0 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.level-copy p + p { color: var(--muted); }
.level-copy strong { color: var(--sub-c); }
.relationship-list > div {
  padding: 11px 0;
  border-top: 1px solid #F0EDE7;
}
.relationship-list > div:first-child { border-top: 0; }
.relationship-list b { color: var(--slate); font-family: var(--serif-cn); font-size: 14.5px; }
.relationship-list p { margin: 5px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.relationship-list p strong { color: var(--ink); }
.federal-exam-list { padding-top: 5px; }
.federal-exam-item { padding: 13px 0; }
.federal-exam-item + .federal-exam-item { border-top: 1px solid #F0EDE7; }
.federal-exam-meta {
  color: var(--slate);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .45px;
}
.federal-exam-sentence {
  margin: 6px 0 0;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 15.5px;
  font-style: normal;
  line-height: 1.85;
}
.federal-exam-item > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 14px;
  line-height: 1.85;
}
.federal-exam-item strong { color: var(--ink); }
.federal-exam-item em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}


.reading-example {
  margin: 13px 0;
  padding: 15px 17px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}
.reading-example .label {
  color: var(--accent);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .7px;
  text-transform: uppercase;
}
.reading-example .sentence {
  margin: 6px 0 8px;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 14px;
  font-style: italic;
  line-height: 1.75;
}
.reading-example .answer {
  margin: 0;
  padding-top: 9px;
  border-top: 1px solid var(--border);
  font-family: var(--serif-cn);
  font-size: 13px;
  line-height: 1.85;
}
.reading-example .answer strong { color: var(--accent); }


.optional-list { display: grid; gap: 9px; margin-top: 13px; }
details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
summary {
  position: relative;
  padding: 13px 42px 13px 15px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(82, 105, 122, .45);
}
summary::after {
  content: "＋";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: var(--sans);
  font-size: 17px;
}
details[open] summary::after { content: "−"; }
.detail-body {
  padding: 1px 15px 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.8;
}
.detail-body p { margin: 9px 0 0; }
.detail-body strong { color: var(--ink); }


.legislative-flow-frame {
  margin-top: 14px;
  padding: 17px 18px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow-x: auto;
}
.legislative-flow {
  display: grid;
  grid-template-columns: minmax(112px, 1fr) 24px minmax(112px, 1fr) 24px minmax(112px, 1fr) 24px minmax(122px, 1fr) 24px minmax(112px, 1fr) 92px minmax(100px, .8fr);
  align-items: stretch;
  min-width: 850px;
}
.flow-node {
  display: flex;
  min-height: 118px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #FCFBF8;
  text-align: center;
}
.flow-node b {
  color: var(--slate);
  font-family: var(--serif-en);
  font-size: 12.5px;
  line-height: 1.35;
  letter-spacing: .35px;
}
.flow-node span {
  margin-top: 7px;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.55;
}
.flow-node small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.6;
}
.flow-node small em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.president-node { border-color: #C8D3DA; background: var(--slate-soft); }
.law-node { border-color: var(--slate); background: var(--slate); }
.law-node b,
.law-node span { color: #FFFFFF; }
.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate);
  font-size: 19px;
}
.signed-arrow {
  flex-direction: column;
  gap: 0;
}
.signed-arrow small {
  margin-top: -3px;
  color: var(--slate);
  font-family: var(--serif-en);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}
.veto-route {
  display: grid;
  grid-template-columns: auto 22px auto 22px minmax(190px, 1fr) 22px auto;
  align-items: center;
  gap: 4px;
  margin-top: 13px;
  padding: 11px 13px;
  border-top: 1px solid #E4C9C5;
  border-bottom: 1px solid #E4C9C5;
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.6;
  text-align: center;
}
.veto-label,
.veto-law {
  font-family: var(--serif-en);
  font-weight: 700;
}
.veto-label { color: var(--red); }
.veto-law { color: var(--slate); }
.veto-stage { color: var(--ink); font-weight: 600; }
.veto-arrow { color: var(--red); font-size: 17px; }
.veto-route small {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11.5px;
}
.flow-caption {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 12.5px;
  line-height: 1.75;
  text-align: center;
}
.process-disclosures,
.term-disclosures,
.exam-disclosures {
  display: grid;
  gap: 11px;
}
.process-detail,
.term-detail,
.exam-detail {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}
.process-summary {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 17px 18px;
  border-left: 4px solid var(--slate);
}
.process-summary::after,
.term-summary::after,
.exam-summary::after { display: none; }
.process-order {
  color: var(--slate);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .4px;
}
.process-name { min-width: 0; }
.process-name strong {
  display: inline;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 17px;
  line-height: 1.45;
}
.process-name i {
  margin-left: 10px;
  color: var(--slate);
  font-family: var(--serif-en);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}
.process-name small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
}
.process-toggle,
.term-toggle,
.exam-toggle {
  color: var(--slate);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.process-toggle::before,
.term-toggle::before,
.exam-toggle::before { content: "+ 展开"; }
.process-detail[open] > .process-summary .process-toggle::before,
.term-detail[open] > .term-summary .term-toggle::before,
.exam-detail[open] > .exam-summary .exam-toggle::before { content: "− 收起"; }
.process-body {
  padding: 10px 21px 21px;
  border-top: 1px solid var(--border);
  background: #FEFEFD;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.process-body > p { margin: 10px 0 0; }
.process-body > .framework-lead { margin: 8px 0 17px; }
.step-verbs {
  color: var(--slate);
  font-family: var(--serif-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .15px;
}
.process-body em,
.state-check em,
.process-footnote em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
body.layer-3 .concept-framework .process-summary,
body.layer-4 .concept-framework .process-summary { border-left-color: var(--accent); }
body.layer-3 .concept-framework .process-order,
body.layer-3 .concept-framework .process-name i,
body.layer-3 .concept-framework .process-toggle,
body.layer-3 .concept-framework .process-body em,
body.layer-4 .concept-framework .process-order,
body.layer-4 .concept-framework .process-name i,
body.layer-4 .concept-framework .process-toggle,
body.layer-4 .concept-framework .process-body em { color: var(--accent); }
.process-inside {
  --sub-c: var(--slate);
  margin: 15px 0;
}
.chamber-paths {
  margin: 13px 0 15px;
}
.chamber-paths p {
  margin: 5px 0;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 13.5px;
  line-height: 1.75;
}
.chamber-paths strong {
  color: var(--slate);
  font-family: var(--serif-cn);
  font-weight: 700;
}
.state-check {
  margin-top: 11px;
  padding: 10px 13px;
  border-left: 3px solid var(--slate);
  background: var(--slate-soft);
}
.state-check.not-yet {
  border-left-color: var(--red);
  background: #FAEFED;
}
.state-check b {
  display: block;
  color: var(--slate);
  font-size: 12.5px;
}
.state-check.not-yet b { color: var(--red); }
.state-check p {
  margin: 3px 0 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.75;
}
.step-conclusion {
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.step-conclusion strong { color: var(--slate); }
.process-footnote {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.75;
}
.term-summary {
  display: grid;
  grid-template-columns: 105px 180px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  border-left: 4px solid var(--slate);
}
.term-word {
  color: var(--slate);
  font-family: var(--serif-en);
  font-size: 17px;
  font-weight: 700;
}
.term-zh {
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  font-weight: 700;
}
.term-hint {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
}
.term-body,
.exam-body {
  padding: 7px 20px 18px;
  border-top: 1px solid var(--border);
  background: #FEFEFD;
}
.term-body p {
  margin: 9px 0 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.term-body em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.term-rule {
  margin: 15px 0 0;
  padding: 12px 16px;
  border-left: 4px solid var(--slate);
  background: var(--slate-soft);
  color: var(--slate);
  font-family: var(--serif-cn);
  font-size: 14px;
  line-height: 1.85;
  text-align: center;
}
.exam-summary {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 16px 18px;
  border-left: 4px solid var(--slate);
}
.exam-year {
  color: var(--slate);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .45px;
}
.exam-name strong {
  display: block;
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 16px;
}
.exam-name small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 400;
}
.exam-sentence {
  margin: 10px 0 0;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 15.5px;
  font-style: normal;
  line-height: 1.85;
}
.exam-analysis {
  margin-top: 11px;
  padding: 10px 13px;
  border-left: 3px solid var(--slate);
  background: var(--slate-soft);
}
.exam-analysis p {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.75;
}
.exam-analysis p + p { margin-top: 4px; }
.exam-analysis b { color: var(--slate); font-family: var(--serif-en); }
.exam-conclusion {
  margin: 12px 0 0;
  padding-top: 4px;
  border-top: 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14px;
  line-height: 1.85;
}
.exam-conclusion strong { color: var(--slate); }


body.layer-2 .page-lead em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.lesson-parts {
  margin-top: 18px;
  border-top: 0;
}
.lesson-part {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
}
.lesson-part:first-child { border-top: 0; }
.lesson-part-summary {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  padding: 22px 5px;
}
.lesson-part-summary::after { display: none; }
.lesson-part-kicker {
  color: var(--accent);
  font-family: var(--serif-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .7px;
}
.lesson-part-name { min-width: 0; }
.lesson-part-name strong {
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 19px;
  line-height: 1.5;
}
.lesson-part-name i {
  margin-left: 12px;
  color: var(--muted);
  font-family: var(--serif-cn);
  font-size: 14px;
  font-style: normal;
  font-weight: 600;
}
.lesson-part-toggle {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.lesson-part-toggle::before { content: "+ 展开"; }
.lesson-part[open] > .lesson-part-summary .lesson-part-toggle::before { content: "− 收起"; }
.lesson-part-body {
  padding: 19px 5px 27px;
  border-top: 1px solid var(--border);
}
.lesson-part-body .legislative-flow-frame { margin-top: 0; }
.key-node-intro {
  margin: 0 0 15px;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.key-node-intro strong { color: var(--slate); }
.legislative-flow {
  grid-template-columns: minmax(112px, 1fr) 24px minmax(112px, 1fr) 24px minmax(112px, 1fr) 24px minmax(132px, 1fr) 24px minmax(112px, 1fr) 40px minmax(100px, .8fr);
}
.flow-node { min-height: 104px; }
.flow-node b { font-size: 15px; letter-spacing: 0; }
.flow-node span { font-size: 14px; }
.signed-arrow small { font-size: 12px; }
.flow-note-list {
  margin-top: 13px;
  padding: 12px 15px;
  border-left: 4px solid var(--slate);
  background: var(--slate-soft);
}
.flow-note-list p {
  margin: 0;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 13.5px;
  line-height: 1.8;
}
.flow-note-list p + p { margin-top: 5px; color: var(--muted); }
.flow-note-list strong { color: var(--slate); }
.flow-note-list em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.process-name strong { display: block; }
.process-name i {
  display: block;
  margin: 4px 0 0;
  font-size: 16.5px;
  line-height: 1.5;
}
.process-inside .inside-name strong {
  color: var(--slate);
  font-size: 16.5px;
}
.process-inside .inside-name i { font-size: 14.5px; }
body.layer-2 .process-inside {
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
body.layer-2 .process-inside .inside-item {
  border: 0;
  border-radius: 0;
  background: transparent;
}
body.layer-2 .process-inside .inside-item + .inside-item {
  border-top: 1px solid var(--border);
}
body.layer-2 .process-inside .inside-body { border-top: 0; }
.committee-example {
  margin-top: 13px;
  padding: 11px 14px;
  border-left: 3px solid var(--slate);
  background: var(--slate-soft);
}
.committee-example b {
  color: var(--slate);
  font-size: 13px;
}
.committee-example p {
  margin: 4px 0 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.8;
}
.committee-example em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.chamber-progression .inside-order {
  color: var(--slate);
  font-size: 17px;
}
.no-action-result > div {
  padding: 11px 0;
  border-top: 1px solid #F0EDE7;
}
.no-action-result .no-action-intro {
  margin: 6px 0 2px;
  color: var(--text);
  font-family: var(--serif-cn);
}
.no-action-result > div:first-of-type { border-top: 0; }
.no-action-result b { color: var(--slate); font-family: var(--serif-cn); }
.no-action-result p { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.no-action-result em {
  color: var(--slate);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.term-summary {
  grid-template-columns: 135px minmax(0, 1fr) auto;
}
.term-word { font-size: 18px; }
.term-zh { font-size: 15px; }
.terms-intro {
  margin: 0 0 15px;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.9;
}
.term-body em,
.process-body em,
.state-check em,
.process-footnote em {
  color: var(--ink);
  font-weight: 600;
}
.exam-link-list {
  display: grid;
  border-top: 0;
  border-bottom: 0;
}
.exam-link-item { padding: 18px 5px; }
.exam-link-item + .exam-link-item { border-top: 1px solid var(--border); }
.exam-link-head {
  display: flex;
  align-items: baseline;
  gap: 13px;
}
.exam-link-head span {
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .45px;
}
.exam-link-head strong {
  color: var(--ink);
  font-family: var(--serif-cn);
  font-size: 16px;
}


.editorial-visual {
  margin: 22px 0 6px;
}
.editorial-visual-frame {
  aspect-ratio: 16 / 8.6;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--soft);
}
.editorial-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.editorial-visual--relations img { object-position: center 48%; }
.editorial-visual--crowd img { object-position: center 55%; }
.editorial-visual figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin: 10px 5px 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}
.editorial-visual figcaption strong {
  max-width: 465px;
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.75;
}
.image-credit {
  flex: 0 0 auto;
  font-size: 10.5px;
  text-align: right;
}
.image-credit a {
  color: inherit;
  text-decoration-color: #C8C2B7;
  text-underline-offset: 2px;
}
.image-credit a:hover,
.image-credit a:focus-visible { color: var(--accent); outline: none; }
.image-credit a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.concept-intro strong { color: var(--accent); }
.concept-sequence {
  --sub-c: var(--accent);
  gap: 0;
  margin-top: 15px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.concept-sequence .inside-item {
  border: 0;
  border-radius: 0;
  background: transparent;
}
.concept-sequence .inside-item + .inside-item { border-top: 1px solid var(--border); }
.concept-sequence .inside-summary { padding-left: 13px; }
.concept-sequence .inside-name strong {
  color: var(--accent);
  font-size: 16.5px;
}
.concept-sequence .inside-name i { font-size: 14.5px; }
.concept-sequence .inside-body {
  border-top: 0;
  background: #FEFEFD;
}
.concept-sequence .inside-body em {
  color: var(--accent);
  font-family: var(--serif-en);
  font-style: normal;
  font-weight: 700;
}
.concept-sequence .inside-body strong { color: var(--ink); }
.action-list { margin-top: 4px; }
.action-row {
  padding: 11px 0;
  border-top: 1px solid #F0EDE7;
}
.action-row:first-child { border-top: 0; }
.action-row b {
  display: block;
  color: var(--accent);
  font-family: var(--serif-cn);
  font-size: 14.5px;
  line-height: 1.6;
}
.verb-action-list .action-row b { font-family: var(--serif-en); }
.action-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.logic-chain { margin-top: 0; }
.logic-chain .action-row { padding: 13px 0; }
.logic-chain .action-row:first-child { padding-top: 3px; }
.logic-chain .action-row:last-child { padding-bottom: 2px; }
.logic-chain .action-row p {
  color: var(--text);
  font-family: var(--serif-cn);
  line-height: 1.9;
}
.logic-chain .action-row p + p { margin-top: 8px; }
.logic-chain .action-row strong { color: var(--ink); }
.reading-boundary {
  margin-top: 15px;
  padding: 11px 14px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  font-family: var(--serif-cn);
  font-size: 14px;
  line-height: 1.85;
}
.reading-boundary strong { color: var(--accent); }
.reading-relation {
  margin-top: 15px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel);
}
.reading-relation-head,
.reading-relation-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(105px, .72fr) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}
.reading-relation-head {
  padding: 9px 15px;
  background: var(--soft);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .55px;
}
.reading-relation-head span:nth-child(2) { text-align: center; }
.reading-relation-row {
  min-height: 72px;
  padding: 12px 15px;
  border-top: 1px solid var(--border);
}
.reading-relation-row:first-child { border-top: 0; }
.relation-side,
.relation-action { min-width: 0; }
.relation-side b,
.relation-action b {
  display: block;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 14.5px;
  line-height: 1.45;
}
.relation-side small,
.relation-action small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11.5px;
  line-height: 1.55;
}
.relation-action { text-align: center; }
.relation-action b,
.relation-action > span {
  color: var(--accent);
}
.relation-action > span {
  display: block;
  font-family: var(--serif-en);
  font-size: 20px;
  line-height: 1;
}
.reading-relation--exam {
  margin-top: 12px;
  border-color: var(--border);
  background: var(--accent-soft);
}
.reading-relation--exam .reading-relation-row {
  min-height: 66px;
  border-top-color: var(--border);
}
.reading-relation--exam .relation-side b,
.reading-relation--exam .relation-action b { font-size: 13.5px; }

.signal-lanes {
  margin-top: 15px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel);
}
.signal-lane {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 16px 17px;
}
.signal-lane-label strong {
  display: block;
  color: var(--plum);
  font-family: var(--serif-cn);
  font-size: 16px;
}
.signal-lane-label small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}
.signal-lane-content { min-width: 0; }
.signal-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}
.signal-steps span {
  color: var(--ink);
  font-family: var(--serif-en);
  font-size: 13.5px;
  font-weight: 700;
}
.signal-steps i {
  color: var(--plum);
  font-family: var(--serif-en);
  font-size: 15px;
  font-style: normal;
}
.signal-lane-content p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
.signal-lane-content p strong { color: var(--ink); }
.signal-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 15px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--plum-soft);
  color: var(--plum);
}
.signal-divider b {
  font-family: var(--serif-en);
  font-size: 19px;
}
.signal-divider span {
  font-family: var(--serif-cn);
  font-size: 12.5px;
  font-weight: 700;
}
.layer-3 .exam-analysis,
.layer-4 .exam-analysis {
  border-left-color: var(--accent);
  background: var(--accent-soft);
}
.layer-3 .exam-analysis b,
.layer-4 .exam-analysis b,
.layer-3 .exam-conclusion strong,
.layer-4 .exam-conclusion strong { color: var(--accent); }

@media (max-width: 990px) {
  body.layer-2 .legislative-flow {
    grid-template-columns: 1fr;
    min-width: 0;
  }
  body.layer-2 .flow-node { min-height: 90px; }
  body.layer-2 .flow-arrow {
    min-height: 28px;
    flex-direction: row;
    gap: 6px;
    font-size: 0;
  }
  body.layer-2 .flow-arrow::before {
    content: "↓";
    font-size: 19px;
  }
  body.layer-2 .flow-arrow > span { display: none; }
  body.layer-2 .signed-arrow small { margin: 0; font-size: 11.5px; }
}


.branch-map {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 15px;
}
.branch-node {
  min-height: 112px;
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  text-align: center;
}
.branch-node.congress { border: 2px solid var(--olive); background: var(--olive-soft); }
.branch-node .en { color: var(--olive); font-family: var(--serif-en); font-size: 12px; font-weight: 700; }
.branch-node h3 { margin: 4px 0; color: var(--ink); font-family: var(--serif-cn); font-size: 15px; }
.branch-node p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.relation-list {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.relation-row {
  display: grid;
  grid-template-columns: 160px 155px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 11px 14px;
  border-top: 1px solid var(--border);
}
.relation-row:first-child { border-top: 0; }
.relation-pair { color: var(--ink); font-family: var(--serif-en); font-size: 11.5px; font-weight: 700; }
.relation-verbs { color: var(--olive); font-family: var(--serif-en); font-size: 11.5px; font-weight: 700; }
.relation-meaning { color: var(--muted); font-size: 11.5px; line-height: 1.65; }
.federalism-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 13px 15px;
  border: 1px solid #D9DDC5;
  border-radius: var(--radius);
  background: #F8F9F1;
}
.federal-side b { display: block; color: var(--ink); font-family: var(--serif-en); font-size: 12px; }
.federal-side span { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.federal-arrow { color: var(--olive); font-size: 18px; }


.gate-overview {
  margin-top: 15px;
}
.signal-pool,
.gate-box {
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}
.signal-pool {
  display: grid;
  grid-template-columns: minmax(180px, .8fr) minmax(0, 2fr);
  align-items: center;
  gap: 14px;
  background: var(--soft);
}
.signal-pool h3,
.gate-box h3 { margin: 0 0 7px; color: var(--ink); font-family: var(--serif-cn); font-size: 15px; }
.signal-pool h3 { margin: 0; }
.signal-pool p,
.gate-box p { margin: 0; color: var(--muted); font-size: 11.5px; line-height: 1.75; }
.condition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.gate-box { border-top: 3px solid var(--plum); }
.gate-label { color: var(--plum); font-size: 10.5px; font-weight: 700; letter-spacing: .6px; }
.gate-fail {
  display: block;
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid var(--border);
  color: var(--red);
  font-size: 10.5px;
  font-weight: 700;
}
.diagnosis-list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.diagnosis-row {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 15px;
  border-top: 1px solid var(--border);
}
.diagnosis-row:first-child { border-top: 0; }
.diagnosis-name { color: var(--plum); font-family: var(--serif-cn); font-size: 13px; font-weight: 700; }
.diagnosis-copy { color: var(--muted); font-size: 12px; line-height: 1.75; }
.diagnosis-copy strong { color: var(--ink); }
.reading-cues {
  margin: 13px 0 0;
  padding: 13px 16px 13px 34px;
  border-left: 4px solid var(--plum);
  border-radius: var(--radius);
  background: var(--plum-soft);
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.75;
}
.reading-cues li + li { margin-top: 5px; }


.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 25px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.pager a {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #FCFBF8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.pager a + a { margin-left: auto; text-align: right; }
.pager a:hover,
.pager a:focus-visible {
  border-color: var(--accent);
  background: var(--panel);
  color: var(--accent);
  outline: none;
}
.pager a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 700px) {
  .subject-wrap,
  .page { width: 100%; padding: 26px 22px 30px; }
  .home-page { width: min(100% - 22px, 740px); padding-top: 28px; }
  .lesson-top-nav { width: 100%; }
  .chamber-system-grid { grid-template-columns: 1fr; }
  .actor-row { grid-template-columns: 150px minmax(0, 1fr); }
  .actor-row p { grid-column: 2; }
  .committee-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .legislative-flow {
    grid-template-columns: 1fr;
    min-width: 0;
  }
  .flow-node { min-height: 90px; }
  .flow-arrow {
    min-height: 28px;
    flex-direction: row;
    gap: 6px;
    font-size: 0;
  }
  .flow-arrow::before {
    content: "↓";
    font-size: 19px;
  }
  .flow-arrow > span { display: none; }
  .signed-arrow small { margin: 0; font-size: 11.5px; }
  .veto-route { grid-template-columns: 1fr; gap: 3px; }
  .veto-arrow { transform: rotate(90deg); }
  .veto-route small { grid-column: 1; margin-top: 5px; }
  .condition-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body.layer-1,
  body.layer-2,
  body.layer-3,
  body.layer-4 { padding: 15px 10px 32px; }
  .subject-wrap,
  .page { padding: 21px 16px 25px; }
  .lesson-top-nav { margin-bottom: 10px; }
  .subject-head,
  .page-head { padding-bottom: 20px; }
  .editorial-visual { margin-top: 18px; }
  .editorial-visual-frame { aspect-ratio: 4 / 3; }
  .home-visual { margin: 16px 0 18px; }
  .home-visual .editorial-visual-frame { aspect-ratio: 4 / 2.7; }
  .editorial-visual--relations img { object-position: center 48%; }
  .editorial-visual--crowd img { object-position: center 55%; }
  .editorial-visual figcaption { display: block; margin: 9px 3px 0; }
  .editorial-visual figcaption strong { display: block; max-width: none; font-size: 13px; }
  .image-credit { display: block; margin-top: 4px; text-align: left; }
  .subject-head h1,
  .page-head h1 { font-size: 25px; }
  .subject-lead,
  .page-lead { font-size: 15px; line-height: 1.9; }
  .subject-part-summary { grid-template-columns: 30px minmax(0, 1fr) auto; gap: 9px; padding: 18px 2px; }
  .subject-part-name strong { font-size: 17.5px; }
  .subject-part-name i { display: block; margin-left: 0; margin-top: 2px; font-size: 14.5px; }
  .subject-part-name small { font-size: 12.5px; }
  .subject-part-body { padding: 16px 2px 23px; }
  .part-intro { font-size: 15px; }
  .subject-sub-summary { padding: 15px 14px; }
  .sub-name strong { font-size: 16.5px; }
  .sub-name i { font-size: 14px; }
  .sub-name small { font-size: 12.5px; }
  .subject-sub-body { padding: 8px 14px 19px; }
  .chamber-intro { font-size: 14.5px; }
  .inside-summary { grid-template-columns: 26px minmax(0, 1fr) auto; gap: 8px; padding: 12px; }
  .inside-name strong { font-size: 15px; }
  .inside-name i { display: block; margin-left: 0; margin-top: 1px; font-size: 13.5px; }
  .inside-name small { font-size: 12px; }
  .inside-body { padding: 5px 13px 15px; font-size: 14px; }
  .role-note p,
  .term-focus p { font-size: 14px; }
  .congress-board { padding: 12px; }
  .actor-row { grid-template-columns: 1fr; gap: 4px; }
  .actor-row p { grid-column: auto; }
  .home-title { font-size: 21px; }
  .home-intro { text-align: left; }
  .portal-item { grid-template-columns: 28px minmax(0, 1fr) auto; gap: 10px; padding: 14px 13px; }
  .chamber-grid,
  .outside-strip,
  .branch-map { grid-template-columns: 1fr; }
  .signal-pool { grid-template-columns: 1fr; gap: 6px; }
  .chamber-grid::before { display: none; }
  .relation-row,
  .diagnosis-row { grid-template-columns: 1fr; gap: 5px; }
  .relation-list,
  .diagnosis-list { overflow: visible; }
  .legislative-flow-frame { padding: 13px 12px 11px; }
  .flow-caption { text-align: left; }
  .lesson-part-summary { grid-template-columns: 32px minmax(0, 1fr) auto; gap: 10px; padding: 18px 2px; }
  .lesson-part-name strong { font-size: 17.5px; }
  .lesson-part-name i { display: block; margin: 2px 0 0; font-size: 13.5px; }
  .lesson-part-body { padding: 16px 2px 23px; }
  .reading-relation-head,
  .reading-relation-row {
    grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr);
    gap: 8px;
  }
  .reading-relation-head { padding: 8px 10px; font-size: 9px; }
  .reading-relation-row { min-height: 68px; padding: 11px 10px; }
  .relation-side b,
  .relation-action b { font-size: 13px; }
  .relation-side small,
  .relation-action small { font-size: 10.5px; }
  .relation-action > span { font-size: 17px; }
  .reading-relation--exam .relation-side b,
  .reading-relation--exam .relation-action b { font-size: 12.5px; }
  .signal-lane { grid-template-columns: 1fr; gap: 8px; padding: 14px 13px; }
  .signal-lane-label { display: flex; align-items: baseline; gap: 8px; }
  .signal-lane-label strong { font-size: 15px; }
  .signal-lane-label small { margin-top: 0; }
  .signal-steps span { font-size: 12.5px; }
  .process-summary { grid-template-columns: 60px minmax(0, 1fr) auto; gap: 10px; padding: 15px 13px; }
  .process-name strong { font-size: 16px; }
  .process-name i { display: block; margin: 3px 0 0; font-size: 15.5px; }
  .process-name small { font-size: 12px; }
  .process-body { padding: 8px 14px 17px; font-size: 14px; }
  .term-summary {
    grid-template-columns: 88px minmax(0, 1fr) auto;
    gap: 7px 10px;
    padding: 14px 13px;
  }
  .term-word { grid-column: 1; grid-row: 1; font-size: 16px; }
  .term-zh { grid-column: 2; grid-row: 1; font-size: 14px; }
  .term-toggle { grid-column: 3; grid-row: 1; }
  .term-hint { grid-column: 1 / -1; grid-row: 2; font-size: 12px; }
  .term-body,
  .exam-body { padding: 7px 14px 16px; }
  .term-body p { font-size: 14px; }
  .exam-link-head { display: block; }
  .exam-link-head strong { display: block; margin-top: 3px; }
  .federal-exam-sentence,
  .exam-sentence { font-size: 15px; }
  .exam-summary { grid-template-columns: 96px minmax(0, 1fr) auto; gap: 10px; padding: 14px 13px; }
  .exam-name small { font-size: 12px; }
  .federalism-strip { grid-template-columns: 1fr; text-align: center; }
  .federal-arrow { transform: rotate(90deg); }
  .pager { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .pager a,
  .pager a + a {
    width: max-content;
    margin-left: 0;
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .committee-actions { grid-template-columns: 1fr; }
  .same-text-rule { grid-template-columns: 1fr; gap: 3px; }
  .same-text-rule p { grid-column: auto; margin-top: 5px; }
  .process-summary { grid-template-columns: 1fr auto; }
  .process-order { grid-column: 1; color: var(--muted); }
  .process-name { grid-column: 1; }
  .process-toggle { grid-column: 2; grid-row: 1 / 3; align-self: center; }
  .exam-summary { grid-template-columns: 1fr auto; }
  .exam-year { grid-column: 1; }
  .exam-name { grid-column: 1; }
  .exam-toggle { grid-column: 2; grid-row: 1 / 3; align-self: center; }
  .hierarchy { padding: 13px; }
}

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

body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}