/* ============================================================
   /assets/site.css — 赢国平台共享外壳
   装订边导航 · 档案登记册气质 · 深松石绿 × 沙金 × 纸沙白
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, dt, ul, ol {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. Tokens ---------- */
:root {
  --paper: #F4EFE4;
  --paper-2: #EAE2D3;
  --ink: #151614;
  --gravel: #8C8474;

  --jade: #0E4B4A;
  --jade-deep: #082E2D;
  --jade-mid: #125B58;
  --jade-bright: #2E7A76;

  --sand: #C8A45D;
  --sand-light: #E6D3A8;
  --cinnabar: #B23A2E;

  --line: rgba(140, 132, 116, 0.36);
  --line-soft: rgba(140, 132, 116, 0.2);
  --line-dark: rgba(230, 211, 168, 0.16);
  --line-dark-soft: rgba(230, 211, 168, 0.09);

  --mast-h: 48px;
  --rail-w: clamp(112px, 8.6vw, 138px);
  --gutter: clamp(20px, 4.4vw, 84px);
  --measure: 68ch;

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-cond: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. Base ---------- */
body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }

p { text-wrap: pretty; }

::selection {
  background-color: var(--sand);
  color: var(--jade-deep);
}

:focus-visible {
  outline: 2px solid var(--jade-bright);
  outline-offset: 2px;
  border-radius: 1px;
}

.band--jade :focus-visible,
.band--deep :focus-visible,
.site-footer :focus-visible,
.rail-nav :focus-visible,
.masthead :focus-visible {
  outline-color: var(--sand-light);
}

/* ---------- 4. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 20px;
  background-color: var(--sand);
  color: var(--jade-deep);
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.16em;
  transform: translateY(-220%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
  outline-color: var(--jade-deep);
}

@media (min-width: 1024px) {
  .skip-link { left: calc(var(--rail-w) + 14px); }
}

/* ---------- 5. Masthead ---------- */
.site-header { position: relative; z-index: 60; }

.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--mast-h);
  padding-inline: clamp(16px, 3vw, 34px);
  background-color: var(--jade-deep);
  color: var(--sand-light);
  border-bottom: 1px solid var(--line-dark);
  white-space: nowrap;
}

.masthead__brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}

.masthead__mark {
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--paper);
}

.masthead__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sand);
}

.masthead__tools {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  min-width: 0;
}

.masthead__action {
  position: relative;
  display: inline-block;
  padding-block: 3px;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sand-light);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.masthead__action:hover {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.masthead__action--flag {
  color: var(--paper);
}

.masthead__action--flag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  background-color: var(--cinnabar);
  vertical-align: 1px;
}

.masthead__action--flag:hover {
  color: var(--sand-light);
  border-bottom-color: var(--cinnabar);
}

.masthead__meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background-color: var(--sand);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.12s linear;
}

/* ---------- 6. Rail navigation ---------- */
.rail-nav {
  position: fixed;
  top: var(--mast-h);
  left: 0;
  z-index: 55;
  display: flex;
  flex-direction: column;
  width: var(--rail-w);
  height: calc(100vh - var(--mast-h));
  height: calc(100dvh - var(--mast-h));
  padding: 28px 0 22px;
  background-color: var(--jade);
  color: var(--paper);
  border-right: 1px solid var(--line-dark);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.rail-nav__caption {
  padding: 0 18px 16px;
  font-family: var(--font-cond);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--sand);
}

.rail-nav__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-dark-soft);
}

.rail-nav__item { border-bottom: 1px solid var(--line-dark-soft); }

.rail-nav__link {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 14px 16px 14px 18px;
  color: rgba(244, 239, 228, 0.72);
  transition: background-color 0.22s var(--ease),
              color 0.22s var(--ease),
              padding-left 0.22s var(--ease);
}

.rail-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--sand);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 0.24s var(--ease);
}

.rail-nav__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gravel);
  transition: color 0.22s var(--ease);
}

.rail-nav__label {
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.08em;
}

.rail-nav__link:hover,
.rail-nav__link:focus-visible {
  background-color: var(--jade-mid);
  color: var(--paper);
}

.rail-nav__link:hover::before,
.rail-nav__link:focus-visible::before { transform: scaleY(1); }

.rail-nav__link:hover .rail-nav__num,
.rail-nav__link:focus-visible .rail-nav__num { color: var(--sand); }

.rail-nav__link[aria-current="page"] {
  background-color: var(--jade-deep);
  color: var(--sand-light);
}

.rail-nav__link[aria-current="page"]::before { transform: scaleY(1); }

.rail-nav__link[aria-current="page"] .rail-nav__num { color: var(--sand); }

.rail-nav__foot {
  display: grid;
  gap: 4px;
  margin-top: auto;
  padding: 18px 18px 0;
  border-top: 1px solid var(--line-dark-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(200, 164, 93, 0.62);
}

/* ---------- 7. Nav toggle (mobile) ---------- */
.nav-toggle {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 70;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 110px;
  height: var(--mast-h);
  padding: 0 12px;
  background-color: var(--jade);
  color: var(--sand-light);
  border-left: 1px solid var(--line-dark);
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.14em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.nav-toggle:hover { background-color: var(--jade-mid); }

.nav-toggle__bars {
  display: grid;
  gap: 5px;
  width: 16px;
}

.nav-toggle__bars i {
  display: block;
  height: 1px;
  background-color: currentColor;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ---------- 8. Layout containers ---------- */
.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--wide { max-width: 1480px; }
.wrap--narrow { max-width: 880px; }

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* ---------- 9. Section bands ---------- */
.band {
  position: relative;
  padding-block: clamp(56px, 8.5vw, 128px);
}

.band--paper { background-color: var(--paper); color: var(--ink); }
.band--paper-2 { background-color: var(--paper-2); color: var(--ink); }

.band--jade {
  background-color: var(--jade);
  color: var(--paper);
  --line: var(--line-dark);
  --line-soft: var(--line-dark-soft);
  --gravel: rgba(230, 211, 168, 0.68);
}

.band--deep {
  background-color: var(--jade-deep);
  color: var(--paper);
  --line: var(--line-dark);
  --line-soft: var(--line-dark-soft);
  --gravel: rgba(230, 211, 168, 0.62);
}

.grid-lines { position: relative; }

.grid-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.85;
}

.grid-lines > * { position: relative; }

/* ---------- 10. Section head ---------- */
.section-head {
  display: grid;
  gap: 14px;
  max-width: 62ch;
}

.section-head__title { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }

.section-head__note {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gravel);
}

/* ---------- 11. Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gravel);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background-color: currentColor;
  opacity: 0.7;
  flex: none;
}

.eyebrow--sand { color: var(--sand); }
.eyebrow--on-dark { color: var(--sand-light); }

/* ---------- 12. Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.16em;
  line-height: 1.4;
  transition: background-color 0.2s var(--ease),
              color 0.2s var(--ease),
              border-color 0.2s var(--ease),
              transform 0.2s var(--ease);
}

.btn--sand {
  background-color: var(--sand);
  color: var(--jade-deep);
}

.btn--sand:hover {
  background-color: var(--sand-light);
  transform: translateY(-1px);
}

.btn--jade {
  background-color: var(--jade);
  color: var(--sand-light);
}

.btn--jade:hover {
  background-color: var(--jade-mid);
  transform: translateY(-1px);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background-color: transparent;
}

.btn--ghost:hover {
  border-color: var(--sand);
  color: var(--jade);
  background-color: rgba(200, 164, 93, 0.08);
}

.band--jade .btn--ghost,
.band--deep .btn--ghost {
  border-color: var(--line-dark);
  color: var(--sand-light);
}

.band--jade .btn--ghost:hover,
.band--deep .btn--ghost:hover {
  border-color: var(--sand);
  color: var(--paper);
  background-color: rgba(200, 164, 93, 0.12);
}

.link {
  color: var(--jade);
  border-bottom: 1px solid var(--sand);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.band--jade .link,
.band--deep .link {
  color: var(--sand-light);
  border-bottom-color: rgba(200, 164, 93, 0.6);
}

.band--jade .link:hover,
.band--deep .link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 13. Breadcrumb ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gravel);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.breadcrumb__list li { display: inline-flex; align-items: center; gap: 10px; }

.breadcrumb__list li + li::before {
  content: "/";
  color: var(--line);
}

.breadcrumb a {
  color: var(--gravel);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumb a:hover {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.breadcrumb [aria-current="page"] { color: var(--ink); }

.band--jade .breadcrumb [aria-current="page"],
.band--deep .breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 14. Prose ---------- */
.prose {
  max-width: var(--measure);
  font-size: 17px;
  line-height: 1.85;
}

.prose > p + p { margin-top: 1.1em; }

.prose h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  margin-top: 2.2em;
  margin-bottom: 0.7em;
}

.prose h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

.prose ul, .prose ol { margin-top: 1em; }

.prose li {
  position: relative;
  padding-left: 24px;
  margin-top: 0.6em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 11px;
  height: 1px;
  background-color: var(--sand);
}

.prose ol { counter-reset: p; }

.prose ol li::before {
  counter-increment: p;
  content: counter(p, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sand);
}

.prose blockquote {
  margin-top: 1.4em;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--sand);
  color: var(--gravel);
}

/* ---------- 15. Entry (登记条目) ---------- */
.entry-list { display: grid; }

.entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(60px, auto) minmax(0, 1fr) auto;
  gap: clamp(14px, 2.4vw, 36px);
  align-items: baseline;
  padding: 22px 16px 22px 18px;
  border-top: 1px solid var(--line);
  transition: background-color 0.22s var(--ease);
}

.entry:last-child { border-bottom: 1px solid var(--line); }

.entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--sand);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 0.24s var(--ease);
}

.entry:hover { background-color: rgba(200, 164, 93, 0.07); }
.entry:hover::before { transform: scaleY(1); }

.entry__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.entry__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.entry__desc {
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gravel);
}

.entry__year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gravel);
  font-variant-numeric: tabular-nums;
}

/* ---------- 16. Brief (专题研究板) ---------- */
.brief {
  display: grid;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--sand);
  color: var(--ink);
}

.brief__head {
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--line-soft);
}

.brief__body {
  padding: 18px 24px;
  font-size: 15.5px;
  line-height: 1.8;
}

.brief__body p + p { margin-top: 0.9em; }

.brief__term {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
}

.brief__foot {
  padding: 14px 24px 20px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--gravel);
}

/* ---------- 17. Metric (大号数据锚点) ---------- */
.metric {
  display: grid;
  gap: 8px;
  padding-block: 24px;
}

.metric__value {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.metric__unit {
  margin-left: 0.32em;
  font-size: 0.3em;
  letter-spacing: 0.1em;
  color: var(--sand-light);
}

.metric__label {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gravel);
}

.metric__note {
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gravel);
}

/* ---------- 18. Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background-color: var(--line);
}

.timeline__item {
  position: relative;
  padding-bottom: 38px;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 11px;
  width: 9px;
  height: 9px;
  background-color: var(--paper);
  border: 1px solid var(--sand);
  border-radius: 50%;
}

.band--jade .timeline__item::before,
.band--deep .timeline__item::before { background-color: var(--jade); }

.timeline__year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

/* ---------- 19. Tag ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gravel);
  background-color: transparent;
}

.tag--sand {
  border-color: rgba(200, 164, 93, 0.55);
  color: var(--sand);
}

.tag--flag {
  border-color: rgba(178, 58, 46, 0.45);
  color: var(--cinnabar);
  background-color: rgba(178, 58, 46, 0.06);
}

/* ---------- 20. Figure ---------- */
.figure {
  display: block;
  margin: 0;
}

.figure__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--jade-deep);
  background-image:
    linear-gradient(to right, rgba(230, 211, 168, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(230, 211, 168, 0.09) 1px, transparent 1px);
  background-size: 42px 42px;
  border: 1px solid var(--line-dark-soft);
}

.figure__frame img,
.figure__frame svg,
.figure__frame picture {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide .figure__frame { aspect-ratio: 21 / 9; }
.figure--tall .figure__frame { aspect-ratio: 3 / 4; }
.figure--square .figure__frame { aspect-ratio: 1 / 1; }

.figure__caption {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--gravel);
}

.figure__caption::before {
  content: "";
  flex: none;
  width: 18px;
  height: 1px;
  background-color: var(--sand);
  transform: translateY(-4px);
}

/* ---------- 21. Footer ---------- */
.site-footer {
  position: relative;
  background-color: var(--jade-deep);
  color: rgba(244, 239, 228, 0.86);
  border-top: 3px solid var(--sand);
  padding-top: clamp(44px, 6.5vw, 88px);
}

.footer-tier {
  padding-block: clamp(26px, 3.6vw, 46px);
  border-top: 1px solid var(--line-dark);
}

.footer-tier--facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 72px);
  padding-top: 0;
  border-top: 0;
}

.fact__label {
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--sand);
}

.fact__text {
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.78);
}

.footer-tier--contact {
  display: grid;
  gap: 20px;
}

.footer-tier__title {
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--sand-light);
}

.contact-list { display: grid; }

.contact-list__row {
  display: grid;
  grid-template-columns: minmax(96px, 150px) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark-soft);
}

.contact-list__row:last-child { border-bottom: 0; }

.contact-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(200, 164, 93, 0.8);
}

.contact-list__val {
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.contact-list__val--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.contact-list__note {
  max-width: 74ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(230, 211, 168, 0.66);
}

.footer-tier--legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 30px;
  padding-bottom: clamp(30px, 4.5vw, 56px);
}

.footer__reg,
.footer__sign {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(140, 132, 116, 0.95);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer__links a {
  font-size: 13.5px;
  color: var(--sand-light);
  border-bottom: 1px solid rgba(200, 164, 93, 0.45);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.footer__links a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 22. Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

[data-reveal][data-reveal-state="in"] {
  opacity: 1;
  transform: none;
}

/* ---------- 23. Responsive ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

@media (max-width: 1023px) {
  body { padding-left: 0; }

  .masthead { padding-right: 124px; }

  .nav-toggle { display: flex; }

  .rail-nav {
    left: auto;
    right: 0;
    top: var(--mast-h);
    bottom: 0;
    height: auto;
    width: min(88vw, 360px);
    padding: 20px 0 28px;
    background-color: var(--jade-deep);
    border-right: 0;
    border-left: 1px solid var(--line-dark);
    transform: translateX(102%);
    transition: transform 0.3s var(--ease);
    z-index: 58;
  }

  .rail-nav[data-open] {
    transform: translateX(0);
    box-shadow: -24px 0 60px rgba(8, 46, 45, 0.5);
  }

  .rail-nav__caption { padding-inline: 22px; }

  .rail-nav__list { border-top: 1px solid var(--line-dark-soft); }

  .rail-nav__link {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 15px 22px;
  }

  .rail-nav__label { font-size: 15px; letter-spacing: 0.06em; }

  .rail-nav__foot { padding-inline: 22px; }

  .entry {
    grid-template-columns: minmax(54px, auto) minmax(0, 1fr);
  }

  .entry__year {
    grid-column: 2;
    margin-top: 4px;
    font-size: 12px;
  }
}

@media (max-width: 767px) {
  body { font-size: 16px; line-height: 1.8; }

  .masthead__code { display: none; }
  .masthead__action--flag { display: none; }
  .masthead { gap: 12px; padding-right: 118px; }

  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .footer-tier--facts { grid-template-columns: minmax(0, 1fr); }

  .contact-list__row { grid-template-columns: minmax(0, 1fr); gap: 4px; }

  .footer-tier--legal { flex-direction: column; align-items: flex-start; }

  .metric__note { max-width: none; }
}

/* ---------- 24. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .masthead__meter { transition: none; }
}