:root {
  --color-surface: #211f21;
  --color-surface-alt: #302d30;
  --color-surface-deep: #413e42;
  --color-ink: #c3bac5;
  --color-ink-soft: #98899a;
  --color-ink-muted: #867788;
  --color-line: #3e3b3f;
  --color-primary: #af3fc0;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #352337;
  --color-accent: #37c87e;
  --color-accent-ink: #171118;
  --color-highlight: #253d32;
  --color-focus: #2ad57d;
  --color-contrast-surface: #f2f1f2;
  --color-contrast-ink: #353036;
  --color-contrast-line: #c8c7c9;
  --color-contrast-accent: #227c4e;
  --overlay-scrim: linear-gradient(180deg, rgba(242, 241, 242, 0.35) 0%, rgba(242, 241, 242, 0.72) 55%, rgba(242, 241, 242, 0.92) 100%);
  --font-heading: STZhongsong, "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 9.5px;
  --text-sm: 13.5px;
  --text-base: 16px;
  --text-lg: 22.6px;
  --text-xl: 32.0px;
  --text-2xl: 45.2px;
  --text-3xl: 64.0px;
  --text-4xl: 90.4px;
  --text-display: clamp(45px, 9.2vw, 118px);
  --text-figure: clamp(37px, 6.6vw, 85px);
  --weight-heading: 603;
  --weight-body: 400;
  --leading-body: 1.7;
  --leading-heading: 1.2;
  --tracking-heading: 0.029em;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 13px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 2px;
  --shadow-1: 0 6px 18px rgba(195, 186, 197, 0.08);
  --shadow-2: 0 18px 44px rgba(195, 186, 197, 0.14);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1120px;
  --measure: 62ch;
  --gutter: 16px;
  --section-y: 99px;
  --section-y-lg: 139px;
}

/* ============================================================
   新利游艺 · 共享样式 /assets/site.css
   深色底 + 细金属边 + 色块托举结构
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, figcaption, blockquote,
dl, dt, dd, fieldset, legend {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
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; }
input, textarea, select { font: inherit; color: inherit; }

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

/* ---------- 基础排版 ---------- */
body {
  --frame-rail: 300px;
  min-height: 100vh;
  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;
  overflow-x: hidden;
}

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

p, li { text-wrap: pretty; }

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

#main-content { display: block; }

/* ---------- 布局骨架 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}

.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--alt { background-color: var(--color-surface-alt); }

.section--light {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.section--light h1,
.section--light h2,
.section--light h3,
.section--light h4 { color: var(--color-contrast-ink); }
.section--light .lede,
.section--light .prose,
.section--light .caption { color: var(--color-contrast-ink); }
.section--light .caption { opacity: 0.72; }
.section--light .eyebrow,
.section--light .data-label { color: var(--color-contrast-ink); opacity: 0.62; }
.section--light .data-value { color: var(--color-contrast-accent); }
.section--light .rule { background-color: var(--color-contrast-line); }
.section--light .panel {
  background-color: #ffffff;
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}
.section--light .panel:hover {
  border-color: var(--color-contrast-accent);
  background-color: #ffffff;
}
.section--light .stat-row { border-bottom-color: var(--color-contrast-line); }
.section--light .stat-row:hover { background-color: rgba(34, 124, 78, 0.08); }

.rule {
  display: block;
  width: 100%;
  height: var(--border-thin);
  background-color: var(--color-line);
  border: 0;
}

@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .container { padding-inline: var(--space-3); }
  .section { padding-block: var(--space-8); }
  .section--lg { padding-block: var(--space-8); }
}

/* ---------- 文字组件 ---------- */
.display-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.98;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.section-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.figure-no {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 0.86;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
  display: block;
}

.figure-no--accent { color: var(--color-accent); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  display: block;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.52;
  color: var(--color-ink);
  max-width: var(--measure);
}

.caption {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.data-value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  display: block;
}

.data-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  display: block;
}

.prose {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}
.prose > * + * { margin-top: var(--space-3); }
.prose h2,
.prose h3 { margin-top: var(--space-6); }
.prose ul,
.prose ol { padding-left: var(--space-3); }
.prose li { list-style: none; position: relative; padding-left: var(--space-3); }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: var(--border-thin);
  background-color: var(--color-primary);
}
.prose a {
  color: var(--color-primary);
  border-bottom: var(--border-thin) solid currentColor;
  transition: color 180ms ease, border-color 180ms ease;
}
.prose a:hover { color: var(--color-accent); }

.link-underline {
  position: relative;
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: color 180ms ease, border-color 180ms ease;
}
.link-underline:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 20px;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-align: center;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease;
}

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

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

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

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  padding-block: var(--space-3);
}
.crumbs a {
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.crumbs a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.crumbs-sep { color: var(--color-line); }

/* ---------- 色块 / 数据组件 ---------- */
.panel {
  position: relative;
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color 200ms ease, background-color 200ms ease;
}
.panel:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.panel--lift {
  background-color: var(--color-highlight);
  box-shadow: var(--shadow-1);
  border-radius: var(--radius-lg);
}
.panel--lift:hover {
  border-color: var(--color-accent);
  background-color: var(--color-highlight);
}

.data-block {
  background-color: var(--color-highlight);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.data-block:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-1);
}

.stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 160ms ease;
}
.stat-row:hover { background-color: var(--color-primary-soft); }
.stat-row .data-value { font-size: var(--text-lg); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
}
.tag--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-deep);
  transition: border-color 200ms ease;
}
.media-frame:hover { border-color: var(--color-primary); }

.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
  pointer-events: none;
}

.media-frame__body {
  position: relative;
  z-index: 1;
  padding: var(--space-4);
  color: var(--color-contrast-ink);
}
.media-frame__body h2,
.media-frame__body h3 { color: var(--color-contrast-ink); }

.media-frame__caption {
  position: relative;
  z-index: 1;
  display: block;
  padding: 0 var(--space-4) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 跳至主内容 ---------- */
.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 400;
  padding: 10px 18px;
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  transform: translateY(-220%);
  transition: transform 180ms ease;
}
.skip-link:focus {
  transform: translateY(0);
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ============================================================
   头部：固定左侧轨道
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--frame-rail, 300px);
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-6) 46px var(--space-4) var(--space-3);
  background-color: var(--color-surface);
  border-right: var(--border-thin) solid var(--color-line);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--color-line) transparent;
}

.header-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.header-brand {
  display: block;
}

.brand-name {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  transition: color 200ms ease;
}
.brand-name::after {
  content: "";
  display: block;
  width: 38px;
  height: var(--border-thick);
  margin-top: var(--space-2);
  background-color: var(--color-primary);
  transition: width 200ms ease, background-color 200ms ease;
}
.header-brand:hover .brand-name { color: var(--color-primary); }
.header-brand:hover .brand-name::after { width: 64px; }

.brand-descriptor {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.7;
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  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-soft);
  transition: border-color 200ms ease, color 200ms ease;
}
.nav-toggle:hover { border-color: var(--color-primary); color: var(--color-ink); }

.nav-toggle-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.nav-toggle-lines i {
  display: block;
  width: 18px;
  height: var(--border-thin);
  background-color: currentColor;
  transition: width 200ms ease;
}
.nav-toggle-lines i + i { width: 11px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines i + i { width: 18px; }

.nav-toggle-text { line-height: 1; }

.site-nav { flex: 1 1 auto; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item { display: block; }

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 14px;
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
  transition: color 180ms ease, border-color 200ms ease, background-color 200ms ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}
.nav-link[aria-current="page"] {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}
.nav-link[aria-current="page"] .nav-index { color: var(--color-accent); }

.nav-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  transition: color 180ms ease;
}

.nav-label { position: relative; }
.nav-label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -3px;
  height: var(--border-thin);
  background-color: var(--color-primary);
  transition: right 180ms ease;
}
.nav-link:hover .nav-label::after,
.nav-link:focus-visible .nav-label::after,
.nav-link[aria-current="page"] .nav-label::after { right: 0; }

.header-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
}
.header-actions .btn { width: 100%; }

/* 竖向刻度轨 */
.header-scale {
  position: absolute;
  top: 108px;
  right: 0;
  bottom: 108px;
  width: 26px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rail-track {
  position: relative;
  flex: 1 1 auto;
  width: 10px;
  margin-left: auto;
  border-left: var(--border-thin) solid var(--color-line);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--color-line) 0,
    var(--color-line) 1px,
    transparent 1px,
    transparent 12px
  );
  background-position: right top;
  background-size: 6px 100%;
  background-repeat: repeat-y;
}

.rail-mark {
  position: absolute;
  left: -4px;
  width: 18px;
  height: var(--border-thick);
  background-color: var(--color-accent);
  top: calc(var(--progress, 0) * 100%);
  transition: top 140ms linear, background-color 200ms ease;
}

.rail-readout {
  margin-top: var(--space-2);
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  background-color: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
  padding-block: var(--section-y) var(--space-4);
  overflow: hidden;
}

.footer-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.footer-head {
  display: grid;
  gap: var(--space-3);
}

.footer-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-closing {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 22ch;
}

.footer-rule {
  height: var(--border-thin);
  background-color: var(--color-line);
  margin-block: var(--space-6) var(--space-4);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.footer-line {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.footer-value {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
  word-break: break-word;
}
.footer-value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-right: auto;
}
.footer-links a {
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.footer-links a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.footer-icp,
.footer-year { white-space: nowrap; }

.footer-word {
  margin-top: var(--space-8);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.86;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  opacity: 0.1;
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 981px) {
  body { padding-left: var(--frame-rail); }
}

@media (max-height: 700px) and (min-width: 981px) {
  .site-header { gap: var(--space-4); padding-top: var(--space-4); }
  .header-scale { display: none; }
}

@media (max-width: 980px) {
  body { padding-left: 0; }

  .site-header {
    position: sticky;
    top: 0;
    left: auto;
    bottom: auto;
    width: 100%;
    gap: 0;
    padding: 0;
    border-right: 0;
    border-bottom: var(--border-thin) solid var(--color-line);
    background-color: var(--color-surface);
    overflow: visible;
    z-index: 140;
  }

  .header-top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }

  .brand-name { font-size: var(--text-base); }
  .brand-name::after { display: none; }
  .brand-descriptor { margin-top: 2px; font-size: var(--text-xs); letter-spacing: 0.12em; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    flex: 0 0 auto;
    border-top: var(--border-thin) solid var(--color-line);
  }
  .site-header[data-open] .site-nav { display: block; }

  .nav-list {
    flex-direction: row;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    overflow-x: auto;
    scrollbar-width: none;
  }
  .nav-list::-webkit-scrollbar { display: none; }

  .nav-link {
    border-left: 0;
    border-bottom: var(--border-thick) solid var(--color-line);
    padding: 8px 12px;
    white-space: nowrap;
  }
  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--color-primary);
    background-color: var(--color-primary-soft);
  }
  .nav-label::after { display: none; }

  .header-actions {
    display: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: 0;
    padding: 0 var(--space-3) var(--space-3);
  }
  .site-header[data-open] .header-actions { display: flex; }
  .header-actions .btn { width: auto; flex: 1 1 auto; }

  .header-scale { display: none; }

  .site-footer { padding-block: var(--space-8) var(--space-4); }
  .footer-inner { padding-inline: var(--space-3); }
  .footer-closing { font-size: var(--text-xl); }
  .footer-meta { gap: var(--space-2) var(--space-3); }
  .footer-word { margin-top: var(--space-6); }
}

@media (max-width: 600px) {
  .nav-index { display: none; }
  .footer-contact { grid-template-columns: minmax(0, 1fr); }
  .footer-links { gap: var(--space-3); }
  .footer-icp,
  .footer-year { white-space: normal; }
}

/* ============================================================
   动效克制
   ============================================================ */
@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;
  }
  .rail-mark { transition: none; }
  .skip-link { transition: none; }
}