:root {
  --color-surface: #f2f0f0;
  --color-surface-alt: #eae7e7;
  --color-surface-deep: #dfdbdb;
  --color-ink: #503f40;
  --color-ink-soft: #7a6264;
  --color-ink-muted: #8c7375;
  --color-line: #d5d0d0;
  --color-primary: #d92635;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #eed4d6;
  --color-accent: #b35f28;
  --color-accent-ink: #ffffff;
  --color-highlight: #e7d6cc;
  --color-focus: #a8521a;
  --color-contrast-surface: #2e181a;
  --color-contrast-ink: #e7e4e4;
  --color-contrast-line: #574546;
  --color-contrast-accent: #d06e2f;
  --overlay-scrim: linear-gradient(180deg, rgba(46, 24, 26, 0.35) 0%, rgba(46, 24, 26, 0.72) 55%, rgba(46, 24, 26, 0.92) 100%);
  --font-heading: "Songti SC", STSong, "Source Han Serif SC", SimSun, serif;
  --font-body: "Songti SC", STSong, "Source Han Serif SC", SimSun, serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 12.9px;
  --text-sm: 15.5px;
  --text-base: 17px;
  --text-lg: 20.4px;
  --text-xl: 24.5px;
  --text-2xl: 29.4px;
  --text-3xl: 35.3px;
  --text-4xl: 42.3px;
  --text-display: clamp(34px, 5.9vw, 76px);
  --text-figure: clamp(28px, 4.3vw, 55px);
  --weight-heading: 662;
  --weight-body: 400;
  --leading-body: 1.9;
  --leading-heading: 1.16;
  --tracking-heading: 0.034em;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --border-thin: 1px;
  --border-thick: 3px;
  --shadow-1: none;
  --shadow-2: none;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1020px;
  --measure: 68ch;
  --gutter: 16px;
  --section-y: 103px;
  --section-y-lg: 144px;
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dt, dd { margin: 0; }
p { margin: 0 0 var(--space-3); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: var(--border-thin) solid var(--color-line); margin: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.section { padding-block: var(--section-y); }
.section--tight { padding-block: var(--space-8); }
.section--lg { padding-block: var(--section-y-lg); }

.grid { display: grid; gap: var(--space-4); }
.grid--12 { grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* ---------- skeleton & dividers ---------- */
.rule-double {
  display: block;
  height: 5px;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.keyline {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

.corner-frame {
  position: relative;
  border: var(--border-thin) solid var(--color-line);
  padding: var(--space-6);
  background-color: transparent;
}

.corner-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary)),
    linear-gradient(var(--color-primary), var(--color-primary));
  background-repeat: no-repeat;
  background-size: 8px 1px, 1px 8px, 8px 1px, 1px 8px, 8px 1px, 1px 8px, 8px 1px, 1px 8px;
  background-position:
    0 0, 0 0,
    100% 0, 100% 0,
    0 100%, 0 100%,
    100% 100%, 100% 100%;
}

.section-head {
  max-width: var(--measure);
  margin-inline: auto;
  text-align: center;
  padding-block: 0 var(--space-6);
}

.section-head .rule-double {
  width: 64px;
  margin: var(--space-3) auto;
}

.section-kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.section-title { font-size: var(--text-3xl); }

.section-note {
  margin: var(--space-3) auto 0;
  max-width: 52ch;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- text ---------- */
.prose { max-width: var(--measure); }
.prose p { margin-bottom: var(--space-3); }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: var(--text-2xl); margin-block: var(--space-6) var(--space-3); }
.prose h3 { font-size: var(--text-xl); margin-block: var(--space-4) var(--space-2); }
.prose ul { margin-bottom: var(--space-3); }
.prose li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-2);
}
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 8px;
  height: 1px;
  background-color: var(--color-primary);
}
.prose blockquote {
  margin: var(--space-4) 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  color: var(--color-ink-soft);
}
.prose a {
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-primary);
}
.prose a:hover { color: var(--color-primary); }

.lede {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.meta {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.hero-title {
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.hero-figure {
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  line-height: 0.96;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

/* ---------- tags ---------- */
.tag {
  display: inline-block;
  padding: 2px var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  border: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}
.tag--primary { border-color: var(--color-primary); color: var(--color-primary); }
.tag--accent {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 10px var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  transition: background-color 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}
.btn:hover { background-color: var(--color-primary-soft); color: var(--color-ink); }
.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.btn--primary:hover {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.btn--ghost { background-color: transparent; }
.btn--ghost:hover {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--dark {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.btn--dark:hover {
  background-color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

/* ---------- breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding-block: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}
.breadcrumb__item:not(:first-child)::before {
  content: "／";
  margin-right: var(--space-1);
  color: var(--color-primary);
}
.breadcrumb__item a:hover { color: var(--color-primary); }

/* ---------- contrast zones ---------- */
.zone-contrast {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.zone-contrast h1,
.zone-contrast h2,
.zone-contrast h3 { color: var(--color-contrast-ink); }
.zone-contrast .lede,
.zone-contrast .meta,
.zone-contrast .section-note {
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}
.zone-contrast .rule-double,
.data-band .rule-double {
  border-top-color: var(--color-contrast-line);
  border-bottom-color: var(--color-contrast-line);
}
.zone-contrast .section-kicker,
.data-band .section-kicker { color: var(--color-contrast-accent); }

.data-band {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.data-band__inner { padding-block: var(--space-8); }
.data-band__figure {
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  line-height: 0.98;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-ink);
}
.data-band__label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-contrast-accent);
}

/* ---------- index list & table ---------- */
.index-table { width: 100%; font-variant-numeric: tabular-nums; }
.index-table th {
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  text-align: left;
}
.index-table td {
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink);
}
.index-table tr:hover td { background-color: var(--color-primary-soft); }

.index-list { display: block; }

.index-row {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 180ms ease-out;
}
.index-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transform: translateY(-50%);
  transition: width 180ms ease-out;
}
.index-row:hover { background-color: var(--color-primary-soft); }
.index-row:hover::before { width: 24px; }
.index-row__no {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.index-row__title { font-size: var(--text-base); color: var(--color-ink); }
.index-row__meta {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- media ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  transition: border-color 180ms ease-out;
}
.media-frame:hover { border-color: var(--color-accent); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame--3x2 { aspect-ratio: 3 / 2; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--caption::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}
.media-frame__caption {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 1;
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.media-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(3, 1fr);
}
.media-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- city panels ---------- */
html[data-city="shanghai"] [data-city-panel="beijing"],
html[data-city="beijing"] [data-city-panel="shanghai"] { display: none; }

/* ---------- motion ---------- */
html.js-reveal .reveal {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 200ms ease-out, transform 200ms ease-out;
}
html.js-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- header ---------- */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -120px;
  z-index: 200;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  transition: top 180ms ease-out;
}
.skip-link:focus { top: var(--space-2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: var(--color-surface);
}
.site-header::after {
  content: "";
  display: block;
  height: 5px;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 120ms linear;
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 72px;
  padding-block: var(--space-2);
}

.brand { min-width: 0; }
.brand__link { display: flex; align-items: center; gap: var(--space-2); }
.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1;
}
.brand__text { min-width: 0; }
.brand__name {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: var(--tracking-heading);
  white-space: nowrap;
}
.brand__line {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.city-switch {
  display: flex;
  flex: none;
  border: var(--border-thin) solid var(--color-line);
}
.city-switch__btn {
  padding: 6px var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  border-left: var(--border-thin) solid var(--color-line);
  transition: background-color 180ms ease-out, color 180ms ease-out;
}
.city-switch__btn:first-child { border-left: 0; }
.city-switch__btn:hover { color: var(--color-ink); background-color: var(--color-primary-soft); }
.city-switch__btn[aria-pressed="true"] {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  padding: 8px var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-soft);
  transition: background-color 180ms ease-out, border-color 180ms ease-out;
}
.nav-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }
.nav-toggle[aria-expanded="true"] {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 1px;
  background-color: var(--color-primary);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1px;
  background-color: var(--color-primary);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle__label { line-height: 1; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
}

.nav-list { display: flex; align-items: center; gap: var(--space-3); }

.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  transition: color 180ms ease-out, background-color 180ms ease-out;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 180ms ease-out;
}
.nav-link:hover { color: var(--color-ink); }
.nav-link:hover::after { width: 24px; }
.nav-link[aria-current="page"] {
  padding-inline: var(--space-1);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.nav-link[aria-current="page"]::after {
  width: 24px;
  background-color: var(--color-contrast-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.action-link {
  padding: 6px var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  transition: background-color 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}
.action-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.action-link--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.action-link--primary:hover {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

/* ---------- footer ---------- */
.site-footer {
  margin-top: var(--section-y);
  background-color: var(--color-surface-deep);
  color: var(--color-ink);
}

.footer-tier { padding-block: var(--space-6); }
.footer-tier--index { padding-top: var(--space-8); }
.footer-tier + .footer-tier { position: relative; padding-top: var(--space-6); }
.footer-tier--meta::before,
.footer-tier--legal::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.footer-brand {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
}

.footer-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-3);
}
.footer-index a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.footer-index a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3) var(--space-4);
}
.footer-contact__item--wide { grid-column: 1 / -1; }
.footer-contact__item dt {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}
.footer-contact__item dd {
  margin-top: 4px;
  font-size: var(--text-sm);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.footer-value { letter-spacing: 0.02em; }

.copy-btn {
  margin-left: var(--space-1);
  padding: 2px 6px;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  border: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  transition: background-color 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}
.copy-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.copy-btn[data-copied="true"] {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.footer-tier--legal {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  padding-bottom: var(--space-8);
}
.footer-copy {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-legal-links a {
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.footer-legal-links a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav-list { gap: var(--space-2); }
  .site-nav { gap: var(--space-3); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 70;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: var(--space-2) var(--space-3) var(--space-4);
    background-color: var(--color-surface);
    border-bottom: var(--border-thin) solid var(--color-line);
  }
  .site-nav[data-open] { display: flex; }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list li { border-bottom: var(--border-thin) solid var(--color-line); }
  .nav-link { display: block; padding: var(--space-2) 0; font-size: var(--text-base); }
  .nav-link[aria-current="page"] { padding-inline: var(--space-1); }
  .nav-link[aria-current="page"]::after { bottom: 4px; }

  .nav-actions {
    padding-left: 0;
    padding-top: var(--space-3);
    border-left: 0;
  }
  .action-link { flex: 1; text-align: center; }

  .grid--12 { grid-template-columns: repeat(6, 1fr); }
  .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 6; }

  .media-grid { grid-template-columns: repeat(2, 1fr); }

  .section { padding-block: var(--space-8); }
  .section--lg { padding-block: var(--space-8); }
  .site-footer { margin-top: var(--space-8); }
}

@media (max-width: 600px) {
  .brand__line { display: none; }
  .brand__name { font-size: var(--text-base); }
  .city-switch__btn { padding: 5px 8px; letter-spacing: 0.04em; }
  .header-inner { gap: var(--space-2); min-height: 64px; }
  .section-head { padding-block: 0 var(--space-4); }
  .corner-frame { padding: var(--space-3); }
  .media-grid { grid-template-columns: 1fr; }
  .index-row { grid-template-columns: auto 1fr; row-gap: 4px; }
  .index-row__meta { grid-column: 1 / -1; text-align: left; }
  .footer-tier--legal { padding-bottom: var(--space-6); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  html.js-reveal .reveal { opacity: 1; transform: none; }
  .scroll-progress { transition: none; }
}