/* 6T看台 · /assets/site.css
   夜场看台 × 数据台 · 共享外壳样式
   ---------------------------------------------------------- */

:root {
  --night: #0B1F1A;
  --stand: #12332B;
  --fog: #F2F6F4;
  --orange: #FF6A1A;
  --cyan: #2FE3C8;
  --amber: #FFC24B;
  --olive: #4A6B60;
  --mist: #DDE6E1;
  --line: #8FA79D;
  --ink: #06120F;

  --font-display: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: var(--font-display);
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --pill: 999px;

  --header-h: 62px;
  --rail-w: 248px;
  --shell-max: 1180px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 240ms;
}

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

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

body {
  margin: 0;
  background-color: var(--night);
  color: var(--fog);
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video { max-width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; }
table { border-collapse: collapse; }

/* 夜场灯光颗粒 + 记分牌水平细线 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to bottom, rgba(143, 167, 157, 0.055) 0 1px, transparent 1px 52px),
    radial-gradient(90% 60% at 15% 0%, rgba(47, 227, 200, 0.07), transparent 62%),
    radial-gradient(70% 50% at 95% 8%, rgba(255, 106, 26, 0.06), transparent 60%);
}

/* 顶部滚动进度：橙 → 青 */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 300;
  pointer-events: none;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
}

body.nav-open { overflow: hidden; }

#main-content {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
}

a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4, h5 {
  margin: 0 0 0.55em;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--fog);
}

h1 { font-size: clamp(34px, 5.2vw, 56px); }
h2 { font-size: clamp(26px, 3.4vw, 40px); }
h3 { font-size: clamp(20px, 2.6vw, 28px); }
h4 { font-size: 20px; letter-spacing: -0.01em; }
h5 { font-size: 16px; letter-spacing: 0; font-weight: 700; }

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; color: var(--fog); }
small { font-size: 13px; color: var(--line); }

.mono,
[data-mono] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding-block: 48px; }
.section + .section { padding-top: 0; }

.section-head {
  position: relative;
  padding-left: 16px;
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
}

.section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  bottom: 0.14em;
  width: 4px;
  border-radius: 2px;
  background: var(--orange);
}

.section-meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin-left: auto;
}

.divider {
  height: 1px;
  border: 0;
  margin: 36px 0;
  background: linear-gradient(90deg, rgba(143, 167, 157, 0.45), rgba(143, 167, 157, 0.05));
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.grid-2 { grid-template-columns: minmax(0, 1fr); }

.bento {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.bento > * { grid-column: span 12; }

.prose { max-width: 68ch; }
.prose p { margin-bottom: 1.2em; }
.prose h2, .prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.4em; }
.prose a { color: var(--cyan); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms var(--ease-out), background-color 180ms, border-color 180ms, color 180ms, box-shadow 180ms;
}

.btn-primary {
  background: var(--orange);
  color: #08150F;
  box-shadow: 0 8px 22px rgba(255, 106, 26, 0.22);
}
.btn-primary:hover { background: #ff7f3a; transform: translateY(-2px); }

.btn-ghost {
  border-color: rgba(143, 167, 157, 0.42);
  color: var(--fog);
  background: rgba(18, 51, 43, 0.35);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-cyan {
  background: var(--cyan);
  color: #06120F;
}
.btn-cyan:hover { background: #5beada; transform: translateY(-2px); }

/* ---------- 标签 / 胶囊筛选 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: var(--pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag-orange { background: rgba(255, 106, 26, 0.16); color: #FF8747; }
.tag-cyan { background: rgba(47, 227, 200, 0.14); color: var(--cyan); }
.tag-amber { background: rgba(255, 194, 75, 0.16); color: var(--amber); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 7px 16px;
  border: 1px solid rgba(143, 167, 157, 0.34);
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 180ms, border-color 180ms, color 180ms;
}

.chip:hover { border-color: var(--cyan); color: var(--cyan); }

.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: #08150F;
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background: var(--stand);
  border: 1px solid rgba(143, 167, 157, 0.18);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform 180ms var(--ease-out), border-color 180ms, box-shadow 180ms;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
}

.card--flat:hover {
  transform: none;
  border-color: rgba(143, 167, 157, 0.18);
  box-shadow: none;
}

/* ---------- 记分牌数字 ---------- */
.stat {
  display: flex;
  align-items: stretch;
  gap: 14px;
}

.stat-rail {
  flex: 0 0 auto;
  width: 4px;
  border-radius: 2px;
  background: var(--cyan);
}

.stat-body { display: flex; flex-direction: column; gap: 4px; }

.stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.stat-unit { font-size: 12.5px; color: var(--line); letter-spacing: 0.04em; }

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: rgba(143, 167, 157, 0.32);
}

.timeline > li {
  position: relative;
  padding-bottom: 22px;
}
.timeline > li:last-child { padding-bottom: 0; }

.timeline > li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.16);
}

.timeline > li.is-current::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 227, 200, 0.18);
}

/* ---------- 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(143, 167, 157, 0.16);
  background: linear-gradient(150deg, var(--stand) 0%, #071410 100%);
}

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

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--3x2 { aspect-ratio: 3 / 2; }
.media--1x1 { aspect-ratio: 1 / 1; }

.media-veil {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(6, 18, 15, 0) 0%, rgba(6, 18, 15, 0.9) 100%);
}

.media-cap {
  position: absolute;
  left: 18px;
  bottom: 14px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-size: 12.5px;
  color: var(--line);
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb a { color: var(--mist); text-decoration: none; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb li + li::before { content: "/"; color: var(--olive); }

/* ==================================================
   头部：移动顶部条 + 抽屉 / 桌面左侧垂轨
   ================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  height: var(--header-h);
  padding: 0 16px;
  background: rgba(6, 18, 15, 0.94);
  border-bottom: 1px solid rgba(143, 167, 157, 0.16);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -90px;
  z-index: 500;
  padding: 12px 20px;
  border-radius: var(--pill);
  background: var(--orange);
  color: #08150F;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top 180ms var(--ease-out);
}
.skip-link:focus { top: 12px; }

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fog);
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--orange), #FF9248);
  color: #06120F;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 6px 18px rgba(255, 106, 26, 0.28);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--fog);
}
.brand-version {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--line);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 8px 16px 8px 13px;
  border: 1px solid rgba(143, 167, 157, 0.32);
  border-radius: var(--pill);
  background: rgba(18, 51, 43, 0.6);
  color: var(--fog);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 180ms, background-color 180ms, color 180ms;
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 14px;
}
.nav-toggle-icon i {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition: transform 220ms var(--ease-out), opacity 160ms;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

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

.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 190;
  padding: 22px 18px 48px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: linear-gradient(180deg, #06120F 0%, #0B1F1A 55%, #06120F 100%);
  border-top: 1px solid rgba(143, 167, 157, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-16px, 0, 0);
  transition: opacity 240ms ease-out, transform 280ms var(--ease-out), visibility 280ms;
}

.site-nav[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
}

.nav-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--line);
}

.nav-list,
.nav-sublist { list-style: none; margin: 0; padding: 0; }

.nav-list { display: flex; flex-direction: column; gap: 4px; }

.nav-item { min-width: 0; }

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 50px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--fog);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background-color 180ms, color 180ms;
}

.nav-link:hover { background: rgba(47, 227, 200, 0.09); }

.nav-idx {
  flex: 0 0 auto;
  min-width: 22px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--line);
}

.nav-label { white-space: nowrap; }

.nav-link[aria-current="page"] {
  background: rgba(255, 106, 26, 0.14);
  color: #FFFFFF;
}
.nav-link[aria-current="page"] .nav-idx { color: var(--orange); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 22px;
  border-radius: 0 2px 2px 0;
  background: var(--orange);
  transform: translateY(-50%);
}

.nav-legal {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(143, 167, 157, 0.16);
}

.nav-sublist { display: flex; flex-direction: column; gap: 2px; }
.nav-sublist a {
  display: block;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms, background-color 180ms;
}
.nav-sublist a:hover { color: var(--cyan); background: rgba(47, 227, 200, 0.08); }

.rail-foot { display: none; }
.rail-cta { width: 100%; }

/* ==================================================
   页脚
   ================================================== */
.site-footer {
  position: relative;
  margin-top: 72px;
  padding: 64px 20px 28px;
  background: var(--ink);
  border-top: 1px solid rgba(143, 167, 157, 0.16);
  color: var(--mist);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 200px;
  pointer-events: none;
  background:
    radial-gradient(120% 100% at 16% 0%, rgba(47, 227, 200, 0.10), transparent 68%),
    radial-gradient(80% 90% at 92% 0%, rgba(255, 106, 26, 0.08), transparent 66%);
}

.footer-inner {
  position: relative;
  max-width: var(--shell-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.footer-brand { max-width: 34ch; }

.footer-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--fog);
  text-decoration: none;
  transition: color 180ms;
}
.footer-mark:hover { color: var(--orange); }

.footer-tag {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--line);
}

.footer-col { min-width: 0; }

.footer-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-list a {
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms;
}
.footer-list a:hover { color: var(--orange); }

.footer-list--plain li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
  word-break: break-word;
}

.footer-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(143, 167, 157, 0.72);
}

.footer-contact { min-width: 0; }

.footer-base {
  position: relative;
  max-width: var(--shell-max);
  margin: 44px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(143, 167, 157, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--line);
}

.footer-copy { margin: 0; }
.footer-icp { margin: 0; color: rgba(143, 167, 157, 0.8); }

/* ==================================================
   入场动画
   ================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms ease-out, transform 520ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* ==================================================
   断点
   ================================================== */
@media (min-width: 560px) {
  .container { padding-inline: 24px; }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 640px) {
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 760px) {
  .bento > .span-3 { grid-column: span 6; }
  .bento > .span-4 { grid-column: span 6; }
  .bento > .span-6 { grid-column: span 6; }
  .bento > .span-8 { grid-column: span 12; }
  .bento > .span-12 { grid-column: span 12; }
  .section { padding-block: 64px; }
}

@media (min-width: 960px) {
  .bento > .span-3 { grid-column: span 3; }
  .bento > .span-4 { grid-column: span 4; }
  .bento > .span-6 { grid-column: span 6; }
  .bento > .span-8 { grid-column: span 8; }
  .footer-inner { grid-template-columns: 1.6fr 1fr 1fr 1.35fr; gap: 48px; }
}

@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }

  #main-content { padding-top: 0; }

  .site-header {
    top: 0;
    right: auto;
    bottom: 0;
    left: 0;
    width: var(--rail-w);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    height: 100dvh;
    padding: 26px 18px 22px;
    background: linear-gradient(180deg, #06120F 0%, #0B1F1A 42%, #06120F 100%);
    border-bottom: 0;
    border-right: 1px solid rgba(143, 167, 157, 0.16);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    overflow: visible;
  }

  .header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav-toggle { display: none; }

  .brand { gap: 12px; }
  .brand-mark { width: 42px; height: 42px; border-radius: 14px; font-size: 16px; }
  .brand-name { font-size: 18px; }

  .site-nav,
  .site-nav[data-open] {
    position: static;
    flex: 1 1 auto;
    width: 100%;
    margin-top: 30px;
    padding: 0;
    background: none;
    border-top: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    overflow: visible;
    transition: none;
  }

  .nav-eyebrow { display: none; }

  .nav-link {
    min-height: 44px;
    padding: 8px 14px;
    font-size: 15px;
    border-radius: 12px;
  }

  .nav-idx { font-size: 10.5px; }

  .nav-link[aria-current="page"] { background: rgba(255, 106, 26, 0.13); }

  .nav-legal { display: none; }

  .rail-foot {
    display: block;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(143, 167, 157, 0.16);
  }

  .rail-cta { width: 100%; min-height: 44px; font-size: 14px; }

  .site-footer { margin-top: 96px; padding: 76px 32px 32px; }
}

@media (min-width: 1280px) {
  body { font-size: 17px; }
  .section { padding-block: 80px; }
}

/* ==================================================
   降级与可访问性
   ================================================== */
@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;
  }

  [data-reveal],
  [data-reveal].is-inview {
    opacity: 1;
    transform: none;
  }

  .card:hover,
  .btn:hover,
  .chip:hover {
    transform: none;
  }

  .site-nav {
    transition: opacity 0.001ms, visibility 0.001ms;
    transform: none;
  }
  .site-nav[data-open] { transform: none; }
}

@media (prefers-contrast: more) {
  .card { border-color: rgba(242, 246, 244, 0.42); }
  .footer-tag,
  .footer-list--plain li,
  .stat-unit { color: var(--mist); }
}