/* ==========================================================================
   新英体育 · 全站共享样式 /assets/site.css
   侧边品牌轨道 + 赛场数据仪表盘外壳
   ========================================================================== */

/* ---------- 1. 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, dd, table, th, td, fieldset {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img, svg, video, canvas {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; border-spacing: 0; }

/* ---------- 2. 变量 ---------- */
:root {
  --deep: #0B1B33;
  --rail: #12294A;
  --steel: #1E3A5F;
  --moss: #2F7A5C;
  --lime: #39FF88;
  --cyan: #22D3EE;
  --orange: #FF7A3D;
  --stone: #8C8577;
  --clay: #C96F4A;
  --paper: #EFE9DC;

  --line-soft: rgba(140, 133, 119, 0.26);
  --line-hard: rgba(140, 133, 119, 0.45);

  --rail-w: 272px;
  --topbar-h: 68px;
  --gutter: clamp(18px, 3.4vw, 46px);
  --maxw: 1200px;
  --radius: 4px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-cond: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Consolas,
    "Liberation Mono", Menlo, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 中文排版基线 ---------- */
body {
  min-height: 100vh;
  background-color: var(--deep);
  background-image:
    radial-gradient(1100px 620px at 78% -12%, rgba(34, 211, 238, 0.13), transparent 62%),
    radial-gradient(900px 520px at 2% 108%, rgba(47, 122, 92, 0.16), transparent 64%),
    linear-gradient(180deg, #0B1B33 0%, #0A1729 100%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-cond);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-wrap: balance;
}

p { text-wrap: pretty; }

strong { font-weight: 700; color: #FFFFFF; }

small,
.text-sm { font-size: 13px; line-height: 1.6; }

.muted { color: var(--stone); }

.measure { max-width: 680px; }

::selection {
  background: var(--lime);
  color: #06210F;
}

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

/* ---------- 4. 布局容器 ---------- */
#main-content {
  display: block;
  margin-left: var(--rail-w);
  min-height: 70vh;
  scroll-margin-top: 24px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 30px);
}

.grid--tight { gap: clamp(10px, 1.2vw, 18px); }

.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-12 { grid-column: span 12; }

.stack   { display: flex; flex-direction: column; gap: clamp(14px, 1.8vw, 26px); }
.stack--sm { gap: 10px; }
.row     { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

/* ---------- 5. 基础组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

.section-title {
  font-size: clamp(24px, 3.4vw, 46px);
  font-weight: 800;
  letter-spacing: 0.015em;
}

.section-title--sm {
  font-size: clamp(19px, 2.1vw, 30px);
}

.section-title--xl {
  font-size: clamp(30px, 5vw, 72px);
  line-height: 1.06;
}

.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.num--sm { font-size: 0.95em; }

.num--xl {
  display: inline-block;
  font-size: clamp(38px, 6.2vw, 72px);
  line-height: 1;
  color: var(--lime);
  text-shadow: 0 0 26px rgba(57, 255, 136, 0.28);
}

.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(30, 58, 95, 0.62), rgba(11, 27, 51, 0.78));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 30px);
}

.panel--stacked {
  box-shadow:
    6px 6px 0 -1px rgba(201, 111, 74, 0.5),
    12px 12px 0 -2px rgba(201, 111, 74, 0.2);
}

.panel--moss {
  background: linear-gradient(180deg, rgba(47, 122, 92, 0.34), rgba(11, 27, 51, 0.8));
  border-color: rgba(47, 122, 92, 0.6);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  border: 1px solid rgba(201, 111, 74, 0.6);
  border-radius: 2px;
  background: rgba(201, 111, 74, 0.1);
  color: #E9B79A;
  white-space: nowrap;
}

.tag--live {
  border-color: rgba(255, 122, 61, 0.7);
  background: rgba(255, 122, 61, 0.12);
  color: #FFB48C;
}

.tag--ok {
  border-color: rgba(57, 255, 136, 0.5);
  background: rgba(57, 255, 136, 0.1);
  color: #7BFFB8;
}

.link {
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 211, 238, 0.38);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.link:hover,
.link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.3;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 3px;
  transition: transform 0.16s var(--ease), background 0.18s ease,
    color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn--primary {
  background: var(--lime);
  color: #06210F;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -14px rgba(57, 255, 136, 0.85);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(239, 233, 220, 0.32);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

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

/* 数据表 */
.data-table {
  width: 100%;
  font-size: 15px;
  text-align: left;
}

.data-table caption {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  padding-bottom: 12px;
}

.data-table th {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  border-bottom: 1px solid var(--line-hard);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(30, 58, 95, 0.9);
  vertical-align: top;
}

.data-table tbody tr:hover { background: rgba(30, 58, 95, 0.42); }

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 26px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 211, 238, 0.06));
}

.timeline__item {
  position: relative;
  padding-bottom: 26px;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--orange);
}

/* 图片容器基础规则（页面阶段放置 img 或占位内容） */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(30, 58, 95, 0.9), rgba(11, 27, 51, 0.95));
}

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

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3  { aspect-ratio: 4 / 3; }
.media--1x1  { aspect-ratio: 1 / 1; }
.media--21x9 { aspect-ratio: 21 / 9; }

.media--scan::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(34, 211, 238, 0.07) 0 1px,
    transparent 1px 4px
  );
}

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 14px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(239, 233, 220, 0.88);
  background: linear-gradient(0deg, rgba(11, 27, 51, 0.94), transparent);
}

.media--placeholder {
  display: grid;
  place-items: center;
  border: 1px dashed var(--line-hard);
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-align: center;
  padding: 18px;
}

/* 滚动显现 */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.55s var(--ease);
}

.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 6. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  color: #06210F;
  background: var(--lime);
  border-radius: 3px;
  transform: translateY(-220%);
  transition: transform 0.18s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 7. 头部：侧边品牌轨道 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 30px 22px 26px clamp(18px, 1.8vw, 30px);
  background: linear-gradient(180deg, rgba(11, 27, 51, 0.74), rgba(18, 41, 74, 0.88));
  -webkit-backdrop-filter: blur(9px) saturate(130%);
  backdrop-filter: blur(9px) saturate(130%);
  border-right: 1px solid var(--line-soft);
  transition: background 0.2s ease, box-shadow 0.2s ease;
  --scroll-progress: 0;
}

.site-header[data-scrolled="true"] {
  background: #12294A;
  box-shadow: 14px 0 44px -26px rgba(0, 0, 0, 0.95);
}

/* 滚动进度光条 */
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: calc(100% * var(--scroll-progress, 0));
  background: linear-gradient(180deg, var(--cyan), var(--lime));
  box-shadow: 0 0 16px rgba(57, 255, 136, 0.5);
  transition: height 0.12s linear;
  pointer-events: none;
}

/* 轨道刻度尺 */
.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 8px;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 15px,
    rgba(140, 133, 119, 0.38) 15px 16px
  );
  opacity: 0.7;
  pointer-events: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #06210F;
  background: linear-gradient(140deg, var(--lime), var(--cyan));
  clip-path: polygon(0 0, 100% 0, 100% 72%, 74% 100%, 0 100%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
  color: var(--paper);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  line-height: 1.5;
}

.brand--footer .brand__mark {
  filter: saturate(0.82);
}

.rail-nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  border-top: 1px dashed var(--line-soft);
  padding-top: 14px;
}

.rail-nav__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rail-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 12px 11px 13px;
  font-size: 15px;
  line-height: 1.4;
  color: rgba(239, 233, 220, 0.74);
  border-left: 2px solid transparent;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.rail-nav__link::before {
  content: attr(data-idx);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--stone);
  transition: color 0.18s ease;
}

.rail-nav__link:hover,
.rail-nav__link:focus-visible {
  color: var(--paper);
  background: rgba(30, 58, 95, 0.62);
  border-left-color: var(--cyan);
}

.rail-nav__link[aria-current="page"] {
  color: #06210F;
  font-weight: 700;
  background: linear-gradient(90deg, var(--lime), rgba(57, 255, 136, 0.16));
  border-left-color: var(--lime);
}

.rail-nav__link[aria-current="page"]::before {
  color: #06210F;
}

.rail-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--paper);
  border: 1px solid rgba(140, 133, 119, 0.4);
  border-radius: 3px;
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: background 0.2s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease);
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after  { top: 6px; }

.site-header[data-open="true"] .nav-toggle__bars { background: transparent; }
.site-header[data-open="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.site-header[data-open="true"] .nav-toggle__bars::after  { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-left: var(--rail-w);
  padding: clamp(40px, 6vw, 84px) var(--gutter) 0;
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.6), rgba(11, 27, 51, 0.96) 34%);
  border-top: 1px solid var(--line-soft);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    to right,
    rgba(34, 211, 238, 0.38) 0 1px,
    transparent 1px 28px
  );
  pointer-events: none;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.6fr) repeat(3, minmax(110px, 0.76fr));
  gap: clamp(26px, 3.4vw, 52px);
  max-width: var(--maxw);
  margin-inline: auto;
  padding-bottom: clamp(32px, 4vw, 56px);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}

.footer__contact li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.footer__value {
  color: rgba(239, 233, 220, 0.8);
  line-height: 1.6;
}

.footer__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
  padding-left: 12px;
  border-left: 2px solid rgba(201, 111, 74, 0.6);
  max-width: 340px;
}

.copy-chip {
  position: relative;
  display: inline-block;
  align-self: flex-start;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: left;
  color: var(--cyan);
  border-bottom: 1px dashed rgba(34, 211, 238, 0.5);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.copy-chip:hover,
.copy-chip:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.copy-chip[data-copied]::after {
  content: attr(data-copied);
  position: absolute;
  left: 0;
  bottom: calc(100% + 9px);
  z-index: 5;
  padding: 6px 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: #06210F;
  background: var(--lime);
  border-radius: 3px;
  box-shadow: 0 10px 22px -12px rgba(0, 0, 0, 0.9);
}

.footer__col { min-width: 0; }

.footer__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  display: inline-block;
  font-size: 14px;
  color: rgba(239, 233, 220, 0.74);
  transition: color 0.18s ease, transform 0.18s ease;
}

.footer__links a:hover,
.footer__links a:focus-visible {
  color: var(--cyan);
  transform: translateX(3px);
}

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 22px 0 28px;
  font-size: 13px;
  color: var(--stone);
  border-top: 1px solid var(--line-soft);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer__legal a {
  color: rgba(239, 233, 220, 0.7);
  transition: color 0.18s ease;
}

.footer__legal a:hover,
.footer__legal a:focus-visible { color: var(--cyan); }

.footer__icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.footer__copy {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1180px) {
  :root { --rail-w: 236px; }
  .footer__grid {
    grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(96px, 0.8fr));
  }
}

@media (max-width: 960px) {
  .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9 {
    grid-column: span 12;
  }

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

  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --rail-w: 0px; }

  #main-content {
    margin-left: 0;
    padding-top: var(--topbar-h);
  }

  .site-header {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "actions actions";
    align-items: center;
    gap: 0;
    padding: 11px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(11, 27, 51, 0.97);
  }

  .site-header[data-scrolled="true"] { background: #12294A; }

  .site-header::after { display: none; }

  .site-header::before {
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    transform: scaleX(var(--scroll-progress, 0));
    transform-origin: left center;
    transition: transform 0.1s linear;
  }

  .brand { grid-area: brand; }
  .nav-toggle { grid-area: toggle; display: inline-flex; }

  .rail-nav,
  .rail-actions {
    grid-area: nav;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    border-top: 0;
    padding-top: 0;
    transition: max-height 0.3s var(--ease), opacity 0.24s ease,
      visibility 0.3s linear;
  }

  .rail-actions { grid-area: actions; margin-top: 0; }

  .site-header[data-open="true"] .rail-nav { max-height: 62vh; opacity: 1; visibility: visible; }
  .site-header[data-open="true"] .rail-actions { max-height: 220px; opacity: 1; visibility: visible; }

  .rail-nav__list { padding: 12px 0 6px; }

  .rail-nav__link {
    padding: 12px 12px 12px 14px;
    font-size: 16px;
    border-left-width: 3px;
  }

  .rail-actions {
    flex-direction: column;
    gap: 9px;
    padding-bottom: 16px;
  }

  .site-footer {
    margin-left: 0;
    padding-top: clamp(34px, 8vw, 56px);
  }

  .footer__copy { margin-left: 0; }
}

@media (max-width: 620px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__note { max-width: none; }
  .nav-toggle__label { display: none; }
  .data-table { font-size: 14px; }
  .data-table th,
  .data-table td { padding: 11px 8px; }
}

/* ---------- 10. 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;
    scroll-behavior: auto !important;
  }

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

  .rail-nav__link:hover,
  .footer__links a:hover { transform: none; }
}