:root {
  --color-surface: #f7f7f7;
  --color-surface-alt: #eeeeef;
  --color-surface-deep: #e2e2e3;
  --color-ink: #4c4554;
  --color-ink-soft: #72697d;
  --color-ink-muted: #7e7689;
  --color-line: #d8d7da;
  --color-primary: #7632cd;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #e5dbf1;
  --color-accent: #27840f;
  --color-accent-ink: #ffffff;
  --color-highlight: #d2e2cd;
  --color-focus: #208208;
  --color-contrast-surface: #140f1a;
  --color-contrast-ink: #e5e4e7;
  --color-contrast-line: #423e47;
  --color-contrast-accent: #43e41b;
  --overlay-scrim: linear-gradient(180deg, rgba(20, 15, 26, 0.35) 0%, rgba(20, 15, 26, 0.72) 55%, rgba(20, 15, 26, 0.92) 100%);
  --font-heading: "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 11.4px;
  --text-sm: 14.3px;
  --text-base: 16px;
  --text-lg: 20.0px;
  --text-xl: 25.0px;
  --text-2xl: 31.2px;
  --text-3xl: 39.1px;
  --text-4xl: 48.8px;
  --text-display: clamp(48px, 9.8vw, 125px);
  --text-figure: clamp(40px, 7.0vw, 90px);
  --weight-heading: 743;
  --weight-body: 400;
  --leading-body: 1.71;
  --leading-heading: 1.21;
  --tracking-heading: -0.004em;
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;
  --radius-pill: 4px;
  --border-thin: 1px;
  --border-thick: 2px;
  --shadow-1: 0 1px 0 rgba(76, 69, 84, 0.12);
  --shadow-2: 0 2px 0 rgba(76, 69, 84, 0.18);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1120px;
  --measure: 74ch;
  --gutter: 16px;
  --section-y: 83px;
  --section-y-lg: 116px;
}

/* =========================================================
   中欧体育主站 · 共享样式 /assets/site.css
   杂志拼贴混排 · 夜间记分牌色系 · 线宽统一 1px
   ========================================================= */

/* ---------- 08 布局常量（共享外壳专用，非定稿色板） ---------- */
html {
  --header-h: 62px;
}
@media (min-width: 900px) {
  html {
    --header-h: 72px;
  }
}

/* ---------- 09 reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-2));
}
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,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  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);
}
p {
  margin: 0 0 var(--space-2);
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
table {
  width: 100%;
  border-collapse: collapse;
}
hr {
  border: 0;
}
[hidden] {
  display: none !important;
}
::selection {
  background-color: var(--color-primary-soft);
  color: var(--color-ink);
}
:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 10 排版工具 ---------- */
.display {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.92;
  letter-spacing: var(--tracking-heading);
  margin: 0;
}
.figure-type {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin: 0;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.kicker::before {
  content: "";
  width: 28px;
  height: var(--border-thin);
  background-color: var(--color-primary);
  flex: 0 0 auto;
}
.mono-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.lede {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}
.hairline {
  border: 0;
  border-top: var(--border-thin) solid var(--color-line);
  margin: var(--space-4) 0;
}
.highlight-block {
  background-color: var(--color-highlight);
  padding: 0 4px;
}

/* ---------- 11 容器与栅格 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}
@media (min-width: 900px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}
.grid > * {
  min-width: 0;
}
.col-3,
.col-4,
.col-5,
.col-6,
.col-7,
.col-8,
.col-9,
.col-12 {
  grid-column: 1 / -1;
}
@media (min-width: 900px) {
  .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-12 {
    grid-column: span 12;
  }
}
.bite-up {
  margin-top: 0;
}
.bite-left {
  margin-left: 0;
}
@media (min-width: 900px) {
  .bite-up {
    margin-top: calc(var(--space-6) * -1);
  }
  .bite-left {
    margin-left: calc(var(--space-6) * -1);
  }
}
.section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}
.section--lg {
  padding-top: var(--section-y-lg);
  padding-bottom: var(--section-y-lg);
}
.section--tight {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}
.page-offset {
  padding-top: var(--header-h);
}

/* ---------- 12 区块头与线框 ---------- */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  margin-bottom: var(--space-4);
}
.section-title {
  font-size: var(--text-2xl);
  flex: 1 1 auto;
}
@media (min-width: 900px) {
  .section-title {
    font-size: var(--text-3xl);
  }
}
.section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 var(--space-1);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
  border-radius: var(--radius-sm);
  flex: 0 0 auto;
}
.section-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.panel-dark {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}
.panel-dark h1,
.panel-dark h2,
.panel-dark h3,
.panel-dark h4 {
  color: var(--color-contrast-ink);
}
.panel-dark .mono-label,
.panel-dark .kicker,
.panel-dark .section-note {
  color: var(--color-contrast-ink);
  opacity: 0.72;
}
.panel-dark .kicker::before {
  background-color: var(--color-contrast-accent);
}
.panel-dark .hairline,
.panel-dark .section-head {
  border-top-color: var(--color-contrast-line);
  border-bottom-color: var(--color-contrast-line);
}
.panel-dark .lede {
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

/* ---------- 13 状态标记 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}
.tag--ok {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.tag--primary {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.panel-dark .tag {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}
.panel-dark .tag--live {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

/* ---------- 14 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 10px 16px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}
.btn:hover,
.btn:focus-visible {
  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,
.btn--primary:focus-visible {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.btn--ghost {
  background-color: transparent;
}
.panel-dark .btn {
  background-color: transparent;
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}
.panel-dark .btn:hover,
.panel-dark .btn:focus-visible {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

/* ---------- 15 图片容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06) brightness(0.92);
}
.media--panorama {
  aspect-ratio: 21 / 9;
}
.media--wide {
  aspect-ratio: 16 / 9;
}
.media--tall {
  aspect-ratio: 3 / 4;
}
.media--narrow {
  aspect-ratio: 9 / 16;
}
.media--square {
  aspect-ratio: 1 / 1;
}
.media--flex {
  height: 100%;
}
.media-scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
  pointer-events: none;
}
.media-gridline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--color-contrast-accent) 24%, transparent) 0 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--color-contrast-accent) 14%, transparent) 0 1px, transparent 1px);
  background-size: 56px 56px;
}
.media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- 16 正文长文档 ---------- */
.prose {
  max-width: var(--measure);
}
.prose > * + * {
  margin-top: var(--space-2);
}
.prose h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-6);
}
.prose h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-4);
}
.prose p {
  color: var(--color-ink);
}
.prose ul,
.prose ol {
  margin-top: var(--space-2);
}
.prose li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: 6px;
}
.prose li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.prose blockquote {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-primary-soft);
  border-left: var(--border-thick) solid var(--color-primary);
  color: var(--color-ink);
}
.prose a {
  color: var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-primary);
}
.prose code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  font-variant-numeric: tabular-nums;
}
.prose figure figcaption {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}
.panel-dark .prose p,
.panel-dark .prose li {
  color: var(--color-contrast-ink);
}

/* ---------- 17 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.breadcrumb a {
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.breadcrumb .crumb-sep {
  color: var(--color-line);
}

/* ---------- 18 数据条与计数器 ---------- */
.stat {
  display: block;
}
.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-2xl);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.panel-dark .stat-value {
  color: var(--color-contrast-ink);
}
.panel-dark .stat-value--live {
  color: var(--color-contrast-accent);
}
.panel-dark .stat-label {
  color: var(--color-contrast-ink);
  opacity: 0.66;
}
.ticker {
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  color: var(--color-contrast-ink);
  padding: 10px 0;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  white-space: nowrap;
  animation: ticker-scroll 24s linear infinite;
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}
.ticker-item--live {
  color: var(--color-contrast-accent);
}
@keyframes ticker-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 19 条目与筛选 ---------- */
.entry {
  position: relative;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 160ms linear, border-color 160ms linear;
}
.entry:hover,
.entry:focus-within {
  border-bottom-color: var(--color-primary);
}
.entry-title {
  font-size: var(--text-lg);
  margin-bottom: 6px;
}
.entry-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.entry.is-hit {
  background-color: var(--color-highlight);
}
.entry.is-out {
  display: none;
}
.panel-dark .entry {
  border-bottom-color: var(--color-contrast-line);
}
.panel-dark .entry:hover {
  border-bottom-color: var(--color-contrast-accent);
}
.panel-dark .entry.is-hit {
  background-color: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}
.filter-btn {
  padding: 7px 12px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}
.filter-btn:hover,
.filter-btn:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-btn[aria-pressed="true"] {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 20 侧边数据锚点 ---------- */
.anchor-rail {
  position: sticky;
  top: calc(var(--header-h) + var(--space-3));
  border-left: var(--border-thin) solid var(--color-line);
  padding-left: var(--space-2);
}
.anchor-rail a {
  display: block;
  margin-left: calc(var(--space-2) * -1 - var(--border-thin));
  padding: 6px 0 6px var(--space-2);
  border-left: var(--border-thick) solid transparent;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  transition: color 160ms linear, border-color 160ms linear;
}
.anchor-rail a:hover,
.anchor-rail a:focus-visible {
  color: var(--color-primary);
}
.anchor-rail a[aria-current="true"] {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}
.panel-dark .anchor-rail {
  border-left-color: var(--color-contrast-line);
}
.panel-dark .anchor-rail a {
  color: var(--color-contrast-ink);
  opacity: 0.68;
}
.panel-dark .anchor-rail a[aria-current="true"] {
  color: var(--color-contrast-accent);
  border-left-color: var(--color-contrast-accent);
  opacity: 1;
}

/* ---------- 21 头部 ---------- */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -64px;
  z-index: 120;
  padding: 8px 14px;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  transition: top 160ms linear;
}
.skip-link:focus {
  top: 8px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background-color: var(--color-surface);
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 200ms linear, color 200ms linear, border-color 200ms linear;
}
.site-header[data-overlay="true"]:not([data-scrolled="true"]) {
  background-color: transparent;
  background-image: var(--overlay-scrim);
  color: var(--color-contrast-ink);
  border-bottom-color: transparent;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
  min-height: var(--header-h);
}
@media (min-width: 900px) {
  .header-inner {
    padding: 0 var(--space-4);
  }
}
.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 0 0 auto;
  line-height: 1.05;
}
.brand-mark {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: 0.04em;
}
.brand-line {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.72;
}
.header-status {
  display: none;
  align-items: center;
  gap: 6px;
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.site-header[data-overlay="true"]:not([data-scrolled="true"]) .header-status {
  color: var(--color-contrast-ink);
  opacity: 0.8;
}
@media (min-width: 1180px) {
  .header-status {
    display: flex;
  }
}
.status-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.status-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}
.site-header[data-overlay="true"]:not([data-scrolled="true"]) .status-dot {
  background-color: var(--color-contrast-accent);
  animation: status-blink 2.4s steps(2, end) infinite;
}
@keyframes status-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-item {
  display: block;
}
.nav-link {
  display: inline-block;
  padding: 6px 0;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-bottom: var(--border-thick) solid transparent;
  transition: border-color 160ms linear, color 160ms linear;
}
.nav-link:hover,
.nav-link:focus-visible {
  border-bottom-color: var(--color-primary);
}
.site-header[data-overlay="true"]:not([data-scrolled="true"]) .nav-link:hover,
.site-header[data-overlay="true"]:not([data-scrolled="true"]) .nav-link:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}
.nav-link[aria-current="page"] {
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  background-color: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}
.cta-btn::after {
  content: "\2192";
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1;
}
.cta-btn:hover,
.cta-btn:focus-visible {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 8px 10px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: inherit;
}
.nav-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 11px;
}
.nav-toggle-bar {
  display: block;
  height: var(--border-thin);
  width: 100%;
  background-color: currentColor;
}
.nav-toggle-bar:nth-child(2) {
  width: 70%;
}
.nav-toggle-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-header[data-overlay="true"]:not([data-scrolled="true"]) .nav-toggle {
  background-color: transparent;
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}
@media (max-width: 899px) {
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: var(--space-2) var(--space-3) var(--space-4);
    background-color: var(--color-contrast-surface);
    color: var(--color-contrast-ink);
    border-top: var(--border-thin) solid var(--color-contrast-line);
    border-bottom: var(--border-thin) solid var(--color-contrast-line);
  }
  .site-nav[data-open="true"] {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-item {
    border-bottom: var(--border-thin) solid var(--color-contrast-line);
  }
  .nav-link {
    display: block;
    padding: 14px 0;
    font-size: var(--text-lg);
    border-bottom: 0;
  }
  .nav-link[aria-current="page"] {
    color: var(--color-contrast-accent);
    border-bottom-color: transparent;
  }
  .cta-btn {
    align-self: flex-start;
    margin-top: var(--space-3);
  }
}

/* ---------- 22 页脚 ---------- */
.site-footer {
  margin-top: var(--section-y-lg);
  background-color: var(--color-surface);
  border-top: var(--border-thin) solid var(--color-line);
}
.footer-ruler {
  position: relative;
  z-index: 2;
  height: 30px;
  background-color: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  background-image: repeating-linear-gradient(to right, var(--color-line) 0, var(--color-line) 1px, transparent 1px, transparent 16px);
  background-repeat: repeat-x;
  background-position: bottom left;
  background-size: 16px 9px;
}
.footer-ruler-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: var(--gutter);
  align-items: center;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
  height: 30px;
}
@media (min-width: 900px) {
  .footer-ruler-inner {
    padding: 0 var(--space-4);
  }
}
.ruler-label,
.ruler-num {
  justify-self: start;
  transform: translateY(9px);
  padding: 2px 6px;
  background-color: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 899px) {
  .footer-ruler-inner {
    display: none;
  }
}
.footer-main {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-6) var(--space-3);
}
@media (min-width: 900px) {
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-4) var(--space-8);
  }
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.footer-mark {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  color: var(--color-contrast-ink);
}
.footer-tagline {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  opacity: 0.66;
}
.footer-live {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}
.footer-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background-color: var(--color-contrast-accent);
}
.footer-note {
  margin: var(--space-2) 0 0;
  max-width: 32ch;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: var(--space-2);
  font-style: normal;
}
.footer-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}
.footer-col {
  min-width: 0;
}
.footer-col-title {
  display: block;
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}
.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-item {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}
.footer-item a {
  border-bottom: var(--border-thin) solid transparent;
  transition: color 160ms linear, border-color 160ms linear;
}
.footer-item a:hover,
.footer-item a:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}
.footer-item .mono-label {
  display: block;
  margin-bottom: 2px;
  color: var(--color-contrast-ink);
  opacity: 0.6;
}
.footer-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}
.footer-base {
  background-color: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
}
.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
@media (min-width: 900px) {
  .footer-base-inner {
    padding: var(--space-3) var(--space-4);
  }
}
.footer-copy {
  margin: 0;
}
.footer-icp {
  white-space: nowrap;
}
.legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.legal-list a {
  border-bottom: var(--border-thin) solid transparent;
  transition: color 160ms linear, border-color 160ms linear;
}
.legal-list a:hover,
.legal-list a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- 23 动效降级 ---------- */
@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;
  }
  .ticker-track {
    animation: none;
  }
}