:root {
  --color-surface: #fefefe;
  --color-surface-alt: #f4f4f4;
  --color-surface-deep: #e6e6e6;
  --color-ink: #393233;
  --color-ink-soft: #685e60;
  --color-ink-muted: #857a7c;
  --color-line: #dbd9d9;
  --color-primary: #e8122e;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #fbdde1;
  --color-accent: #e80d2a;
  --color-accent-ink: #ffffff;
  --color-highlight: #fad3d8;
  --color-focus: #ea0120;
  --color-contrast-surface: #301519;
  --color-contrast-ink: #e7e4e5;
  --color-contrast-line: #584346;
  --color-contrast-accent: #f43e56;
  --overlay-scrim: linear-gradient(180deg, rgba(48, 21, 25, 0.35) 0%, rgba(48, 21, 25, 0.72) 55%, rgba(48, 21, 25, 0.92) 100%);
  --font-heading: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-xs: 10.1px;
  --text-sm: 14.3px;
  --text-base: 17px;
  --text-lg: 24.0px;
  --text-xl: 34.0px;
  --text-2xl: 48.1px;
  --text-3xl: 68.0px;
  --text-4xl: 96.1px;
  --text-display: clamp(48px, 9.9vw, 127px);
  --text-figure: clamp(40px, 7.1vw, 91px);
  --weight-heading: 854;
  --weight-body: 400;
  --leading-body: 1.73;
  --leading-heading: 1.22;
  --tracking-heading: -0.018em;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --border-thin: 1px;
  --border-thick: 2px;
  --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: 1160px;
  --measure: 73ch;
  --gutter: 24px;
  --section-y: 82px;
  --section-y-lg: 115px;
}

/* ============================================================
   K1赛场 · 全站共享样式 /assets/site.css
   瑞士国际主义网格 · 直角 · 细实线 · 单一高饱和信号红
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 148px;
}

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;
  -moz-osx-font-smoothing: grayscale;
}

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);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dt, dd { margin: 0; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; }

:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 2. 布局基础 ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--space-4) * 2);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.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-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-12 { grid-column: 1 / -1; }

.section {
  padding-block: var(--section-y);
  border-top: var(--border-thin) solid var(--color-line);
}
.section--lg { padding-block: var(--section-y-lg); }
.section--flush { border-top: 0; }
.section--tint { background-color: var(--color-surface-alt); }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--gutter);
  align-items: end;
  margin-bottom: var(--space-6);
}
.section__lede {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.band {
  background-color: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-block: var(--space-4);
}

.rule {
  border: 0;
  border-top: var(--border-thin) solid var(--color-line);
  margin-block: var(--space-6);
}
.rule--ink { border-top-color: var(--color-ink); }
.rule--accent { border-top: var(--border-thick) solid var(--color-primary); }

.bleed { margin-inline: 0; }

/* ---------- 3. 文字工具 ---------- */
.text-display {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.94;
  letter-spacing: -0.03em;
  margin: 0;
}

.figure-lg {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.text-muted { color: var(--color-ink-muted); }
.text-soft { color: var(--color-ink-soft); }
.mono,
.text-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.measure { max-width: var(--measure); }

.eyebrow {
  display: block;
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-soft);
}

.prose > * + * { margin-top: var(--space-3); }
.prose p { max-width: var(--measure); }
.prose ul,
.prose ol {
  max-width: var(--measure);
  padding-left: var(--space-3);
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: var(--space-1); }
.prose strong { font-weight: var(--weight-heading); }

.accent-block {
  border-left: calc(var(--border-thick) * 2) solid var(--color-primary);
  padding-left: var(--space-3);
}
.accent-block p { max-width: var(--measure); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 44px;
  padding: 10px var(--space-3);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}
.btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.btn--primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.btn--ghost { background-color: transparent; }

.btn--contrast {
  background-color: var(--color-contrast-ink);
  border-color: var(--color-contrast-ink);
  color: var(--color-contrast-surface);
}
.btn--contrast:hover {
  background-color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-ink);
}

.btn--block { width: 100%; }

/* ---------- 5. 通用组件 ---------- */
.tag {
  display: inline-block;
  padding: 3px 8px;
  border: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--color-ink-soft);
}
.tag--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.tag--highlight {
  background-color: var(--color-highlight);
  border-color: var(--color-highlight);
  color: var(--color-ink);
}

.panel {
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  padding: var(--space-4);
}
.panel--tint { background-color: var(--color-surface-alt); }
.panel--deep { background-color: var(--color-surface-deep); }
.panel--accent { border-top: calc(var(--border-thick) * 2) solid var(--color-primary); }

.rule-list li {
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
}
.rule-list li:first-child { border-top: var(--border-thin) solid var(--color-line); }
.rule-list a:hover { color: var(--color-primary); }

.breadcrumbs {
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-block: var(--space-3);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}
.breadcrumbs li { display: flex; align-items: center; gap: var(--space-2); }
.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-line);
}
.breadcrumbs a { color: var(--color-ink-soft); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs [aria-current="page"] { color: var(--color-ink); }

.data-table {
  font-size: var(--text-sm);
}
.data-table th,
.data-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: baseline;
}
.data-table thead th {
  padding-block: var(--space-2);
  border-bottom: var(--border-thick) solid var(--color-ink);
  border-top: var(--border-thick) solid var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
  white-space: nowrap;
}
.data-table tbody tr { transition: background-color 150ms linear; }
.data-table tbody tr:hover { background-color: var(--color-surface-alt); }
.data-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.toc { border-left: var(--border-thin) solid var(--color-line); }
.toc__link {
  display: block;
  padding: var(--space-1) 0 var(--space-1) var(--space-2);
  border-left: calc(var(--border-thick) * 1.5) solid transparent;
  margin-left: -1px;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  transition: color 150ms linear, border-color 150ms linear;
}
.toc__link:hover { color: var(--color-ink); }
.toc__link[aria-current="true"] {
  border-left-color: var(--color-primary);
  color: var(--color-ink);
  font-weight: 700;
}

/* ---------- 6. 图片容器（页面阶段使用） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background-color: var(--color-surface-deep);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.media > img,
.media > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--16x9 { aspect-ratio: 16 / 9; }
.media--3x2 { aspect-ratio: 3 / 2; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--3x4 { aspect-ratio: 3 / 4; }
.media--21x9 { aspect-ratio: 21 / 9; }

.media__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
  pointer-events: none;
}
.media__label {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 6px var(--space-2);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}
.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: var(--space-6) var(--space-3) var(--space-3);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.media__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0 11px,
    var(--color-line) 11px 12px
  );
}

/* ---------- 7. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.read-progress {
  position: absolute;
  inset: 0 0 auto 0;
  height: var(--border-thick);
  overflow: hidden;
  pointer-events: none;
}
.read-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 120ms linear;
}

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -160px;
  z-index: 200;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  transition: top 150ms linear;
}
.skip-link:focus { top: var(--space-2); color: var(--color-primary-ink); }

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3) var(--space-2);
}

.masthead__kicker {
  margin: 0;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-soft);
}

.masthead__brand {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.masthead__brand:hover { color: inherit; }

.masthead__mark {
  display: inline-block;
  padding: 3px 7px;
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.masthead__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: -0.03em;
  line-height: 1;
}

.masthead__descriptor {
  margin: 0;
  justify-self: end;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-align: right;
  color: var(--color-ink-soft);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  min-height: 40px;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink);
  transition: border-color 150ms linear, color 150ms linear;
}
.nav-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}
.nav-toggle__bars i {
  display: block;
  height: var(--border-thick);
  background-color: var(--color-primary);
}
.nav-toggle[aria-expanded="true"] { border-color: var(--color-primary); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }

.site-nav {
  border-top: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}
.site-nav__inner { display: flex; justify-content: center; }
.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}
.site-nav__list li { display: flex; }
.site-nav__link {
  position: relative;
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  transition: color 150ms linear;
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--border-thick);
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 180ms ease-out;
}
.site-nav__link:hover { color: var(--color-ink); }
.site-nav__link:hover::after,
.site-nav__link:focus-visible::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--color-ink); font-weight: 700; }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- 8. 页脚 ---------- */
.site-footer {
  margin-top: var(--section-y-lg);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
}
.site-footer a { color: var(--color-contrast-ink); }
.site-footer a:hover { color: var(--color-contrast-accent); }
.site-footer h2 { color: var(--color-contrast-ink); }

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-6) var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.footer-brand {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.footer-brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: var(--space-2);
  background-color: var(--color-contrast-accent);
  vertical-align: middle;
}
.footer-tagline {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gutter);
  padding-block: var(--space-6);
}

.footer-col__title {
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
}

.footer-list li { border-bottom: var(--border-thin) solid var(--color-contrast-line); }
.footer-list a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  transition: color 150ms linear;
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3) var(--gutter);
  padding-block: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}
.footer-contact__row { margin: 0; }
.footer-contact__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, var(--color-contrast-surface));
}
.footer-contact__val {
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.footer-note {
  margin: 0;
  padding-block: var(--space-3) var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  max-width: var(--measure);
  font-size: var(--text-xs);
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, var(--color-contrast-surface));
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  padding-block: var(--space-4) var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, var(--color-contrast-surface));
}
.footer-bottom__legal { margin: 0; }
.footer-bottom__links { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.footer-bottom__links a { color: inherit; }
.footer-bottom__links a:hover { color: var(--color-contrast-accent); }

/* ---------- 9. 动效与显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}
.js [data-reveal][data-visible] {
  opacity: 1;
  transform: none;
  transition: opacity 420ms ease-out, transform 420ms ease-out;
}

/* ---------- 10. 响应式 ---------- */
@media (min-width: 861px) {
  .offset-1 { margin-left: calc(100% / 12); }
  .offset-2 { margin-left: calc(100% / 6); }
}

@media (max-width: 1080px) {
  :root { --section-y: 64px; --section-y-lg: 88px; }
  .section__head { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 104px; }

  .container { padding-inline: var(--space-3); }

  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-3); }
  .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10 { grid-column: 1 / -1; }
  .col-sm-3 { grid-column: span 3; }
  .col-sm-6 { grid-column: span 6; }

  .masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
    padding-block: var(--space-2);
  }
  .masthead__kicker,
  .masthead__descriptor { display: none; }
  .masthead__brand { justify-self: start; }
  .masthead__name { font-size: var(--text-base); }
  .nav-toggle { display: inline-flex; justify-self: end; }

  .site-nav { display: none; }
  .site-nav[data-open] { display: block; }
  .site-nav__inner { display: block; }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-nav__list li {
    display: block;
    border-bottom: var(--border-thin) solid var(--color-line);
  }
  .site-nav__list li:last-child { border-bottom: 0; }
  .site-nav__link {
    padding: var(--space-2) 0 var(--space-2) var(--space-3);
    border-left: calc(var(--border-thick) * 1.5) solid transparent;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link:hover,
  .site-nav__link[aria-current="page"] {
    border-left-color: var(--color-primary);
    color: var(--color-ink);
  }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-top .btn { width: 100%; }
  .data-table th,
  .data-table td { padding-inline: var(--space-2); }
}

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