/* ==========================================================================
   爱体育赛事 / 共享站点样式  ·  /assets/site.css
   骨架：深空蓝图网格  ·  看台色块  ·  等宽数据
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

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

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --ink: #0B1220;
  --ink-2: #16233A;
  --blueprint: #2B3D5C;
  --green: #17754C;
  --green-lt: #84D6A9;
  --orange: #FF6B1A;
  --red: #D8382F;
  --paper: #F4F6F2;
  --stone: #C9D2C6;
  --data: #E8EDE6;

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular",
               Menlo, Consolas, monospace;

  --header-h: 76px;
  --max-w: 1280px;
  --gutter: 24px;
  --shadow-hard: 8px 8px 0 var(--ink);
  --shadow-hard-sm: 4px 4px 0 var(--ink);
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  position: relative;
  min-height: 100%;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
}

/* 全场蓝图网格：48px 小格 + 240px 主格 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(43, 61, 92, .09) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(to bottom, rgba(43, 61, 92, .09) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(to right, rgba(43, 61, 92, .16) 0 1px, transparent 1px 240px),
    repeating-linear-gradient(to bottom, rgba(43, 61, 92, .16) 0 1px, transparent 1px 240px);
}

p { max-width: 68ch; }
p + p { margin-top: 1.2em; }

h1, h2, h3, h4 { font-weight: 900; line-height: 1.15; letter-spacing: -0.02em; }
strong { font-weight: 700; }

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

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 40px);
}

.main-flush { padding-top: 0; }

/* ---------- 4. 通用布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.reading { max-width: 720px; }

.section { padding-block: 56px; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 28px;
  border-bottom: 3px solid var(--ink);
}

.section-title {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}
.grid-12 > * { min-width: 0; }

/* ---------- 5. 信息标记 ---------- */
.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green);
  text-transform: uppercase;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.coord {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 3px 7px;
  background: var(--ink);
  color: var(--green-lt);
  border: 1px solid var(--blueprint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.section-no {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(56px, 6vw, 96px);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: rgba(43, 61, 92, .18);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--blueprint);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.5;
}
.tag--green { color: var(--green); }
.tag--red { color: var(--red); }
.tag--orange { color: var(--orange); }

/* 深色分区 */
.on-dark {
  position: relative;
  background: var(--ink);
  color: var(--data);
}
.on-dark .label { color: var(--green-lt); }
.on-dark .stat-label { color: var(--stone); }
.on-dark .section-head { border-bottom-color: var(--blueprint); }
.on-dark .section-no { color: rgba(132, 214, 169, .16); }

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--paper);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease),
              background-color 160ms ease, color 160ms ease;
}
.btn:hover,
.btn:focus-visible {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hard-sm);
}
.btn--primary { background: var(--green); color: var(--paper); }
.btn--accent { background: var(--orange); color: var(--ink); }
.btn--ghost { background: transparent; }
.on-dark .btn { border-color: var(--paper); box-shadow: 8px 8px 0 rgba(0, 0, 0, .55); }
.on-dark .btn--ghost { color: var(--paper); }

/* ---------- 7. 面包屑 ---------- */
.crumbs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--blueprint);
  padding-block: 14px;
}
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.crumbs a { border-bottom: 1px solid transparent; transition: border-color 160ms ease, color 160ms ease; }
.crumbs a:hover { color: var(--green); border-bottom-color: var(--green); }
.crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: var(--stone);
}
.crumbs [aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- 8. 卡片 ---------- */
.card {
  position: relative;
  background: var(--paper);
  border: 3px solid var(--ink);
  padding: 22px;
  box-shadow: var(--shadow-hard);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}
.card:hover {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hard-sm);
}
.card--dark {
  background: var(--ink-2);
  border-color: var(--blueprint);
  color: var(--data);
  box-shadow: 8px 8px 0 rgba(11, 18, 32, .55);
}
.card--dark:hover { box-shadow: 4px 4px 0 rgba(11, 18, 32, .55); }
.card--dark .stat-label { color: var(--stone); }

/* ---------- 9. 图片容器 ---------- */
.figure-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink-2);
  border: 3px solid var(--ink);
}
.figure-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure-frame figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 8px 12px;
  background: rgba(11, 18, 32, .78);
  color: var(--data);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.5;
}
.figure-frame--wide { aspect-ratio: 21 / 9; }
.figure-frame--square { aspect-ratio: 1 / 1; }
.figure-frame--tall { aspect-ratio: 3 / 4; }
.on-dark .figure-frame { border-color: var(--blueprint); }

/* ---------- 10. 图例筛选 ---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.legend-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms var(--ease);
}
.legend-btn::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--green);
  flex: 0 0 auto;
}
.legend-btn:hover { transform: translateY(-2px); }
.legend-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}
.legend-btn[aria-pressed="true"]::before { background: var(--orange); }
.on-dark .legend-btn { color: var(--data); border-color: var(--blueprint); }
.on-dark .legend-btn[aria-pressed="true"] { background: var(--paper); color: var(--ink); }

/* ---------- 11. 横向索引带 ---------- */
.rail {
  display: flex;
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  background: var(--ink-2);
  color: var(--data);
  border-block: 3px solid var(--ink);
}
.rail-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 13px 20px;
  border-right: 1px solid var(--blueprint);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.rail-item:first-child { border-left: 1px solid var(--blueprint); }
.rail-item[aria-current="true"] { color: var(--green-lt); box-shadow: inset 0 -3px 0 var(--orange); }
.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-track { background: var(--ink); }
.rail::-webkit-scrollbar-thumb { background: var(--green); }

/* ---------- 12. 动效协议 ---------- */
html.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}
html.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}

/* ---------- 13. 页头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 18, 32, .72);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(43, 61, 92, .8);
  transition: background-color 220ms var(--ease), border-color 220ms var(--ease);
}
.site-header[data-scrolled="true"] {
  background: var(--ink);
  border-bottom-color: var(--blueprint);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -140px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--orange);
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 8px; }

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: var(--max-w);
  height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
  transition: height 220ms var(--ease);
}
.site-header[data-scrolled="true"] .header-inner { height: 60px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--paper);
}
.brand-mark {
  position: relative;
  display: block;
  width: 10px;
  height: 30px;
  background: var(--green);
  flex: 0 0 auto;
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 10px;
  height: 4px;
  background: var(--orange);
}
.brand-text { display: block; }
.brand-name {
  display: block;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.5;
  color: rgba(232, 237, 230, .62);
  text-transform: uppercase;
}

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 12px;
  border: 2px solid var(--blueprint);
  color: var(--data);
  transition: border-color 160ms ease, color 160ms ease;
}
.nav-toggle:hover { border-color: var(--green-lt); color: var(--green-lt); }
.nav-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
}
.nav-toggle-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  transition: transform 180ms var(--ease), opacity 140ms ease;
}
.nav-toggle-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 主导航 */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  position: relative;
  display: block;
  padding: 9px 12px;
  color: var(--data);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  transition: color 160ms ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--green-lt);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease), background-color 160ms ease;
}
.nav-link:hover { color: var(--paper); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--green-lt); }
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--orange);
}
.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  background: var(--orange);
}

.nav-utility {
  display: flex;
  align-items: center;
  gap: 16px;
}
.utility-link {
  padding-bottom: 2px;
  color: rgba(232, 237, 230, .62);
  border-bottom: 1px dashed rgba(132, 214, 169, .38);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  transition: color 160ms ease, border-color 160ms ease;
}
.utility-link:hover,
.utility-link:focus-visible {
  color: var(--green-lt);
  border-bottom-color: var(--green-lt);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: var(--orange);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .6);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.3;
  white-space: nowrap;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}
.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, .6);
}

/* 阅读进度线 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  overflow: hidden;
  pointer-events: none;
}
.scroll-meter-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--green) 0%, var(--green) 62%, var(--orange) 100%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 90ms linear;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 72px;
  padding-top: 56px;
  background: var(--ink);
  color: var(--data);
  border-top: 4px solid var(--green);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(43, 61, 92, .55) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, rgba(43, 61, 92, .55) 0 1px, transparent 1px 64px);
  opacity: 0.28;
}
.site-footer > * { position: relative; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, minmax(0, 1fr));
  gap: 40px;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand--footer {
  margin-bottom: 18px;
  color: var(--paper);
}
.brand--footer .brand-name { font-size: 22px; }

.footer-tagline {
  max-width: 26ch;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(232, 237, 230, .72);
}

.footer-note {
  max-width: 30ch;
  margin-top: 18px;
  padding: 10px 12px;
  background: rgba(23, 117, 76, .18);
  border-left: 3px solid var(--green-lt);
  color: var(--green-lt);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.footer-col-title {
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--blueprint);
  color: var(--stone);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.footer-links li + li { margin-top: 10px; }
.footer-links a {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  color: var(--data);
  font-size: 14px;
  line-height: 1.6;
  transition: color 160ms ease, border-color 160ms ease;
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--green-lt);
  border-bottom-color: var(--green-lt);
}

.footer-contact {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  margin-top: 44px;
  padding-inline: var(--gutter);
  padding-top: 22px;
  border-top: 1px solid var(--blueprint);
}
.footer-contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  max-width: none;
  color: rgba(232, 237, 230, .78);
  font-size: 13px;
  line-height: 1.85;
}
.footer-contact-line span { display: inline-block; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 18px var(--gutter) 34px;
}
.footer-legal {
  max-width: none;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.8;
}
.footer-coord {
  max-width: none;
  color: rgba(132, 214, 169, .55);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.8;
}

/* ---------- 15. 工具类 ---------- */
.u-hidden-visually {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1180px) and (min-width: 961px) {
  .nav-utility .utility-link { display: none; }
  .nav-link { padding-inline: 10px; font-size: 13.5px; }
  .primary-nav { gap: 16px; }
}

@media (max-width: 960px) {
  :root {
    --header-h: 64px;
    --gutter: 18px;
  }

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

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 8px var(--gutter) 22px;
    background: var(--ink);
    border-top: 2px solid var(--blueprint);
    border-bottom: 3px solid var(--green);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .primary-nav[data-open="true"] { display: flex; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-link {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(43, 61, 92, .9);
  }
  .nav-link::after {
    left: 0;
    right: auto;
    bottom: 8px;
    width: 30px;
  }
  .nav-link[aria-current="page"]::before { display: none; }

  .nav-utility {
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    padding-top: 18px;
  }
  .utility-link { font-size: 12px; }
  .nav-cta {
    width: 100%;
    padding: 14px 16px;
    margin-top: 4px;
  }

  .site-footer { padding-top: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  main { padding-top: calc(var(--header-h) + 24px); }
  .main-flush { padding-top: 0; }

  .section { padding-block: 36px; }
  .section-head { margin-bottom: 20px; }

  .grid-12 { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .grid-12 > * { grid-column: 1 / -1 !important; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .brand-name { font-size: 17px; }
  .brand-sub { font-size: 9px; letter-spacing: 0.12em; }
  .brand-mark { height: 26px; }
  .nav-toggle-label { display: none; }
  .btn { width: 100%; padding: 13px 18px; font-size: 14px; }
  .card { padding: 18px; box-shadow: 4px 4px 0 var(--ink); }
  .card:hover { transform: none; box-shadow: 4px 4px 0 var(--ink); }
  .footer-contact-line { font-size: 12.5px; }
}

/* ---------- 17. 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover,
  .btn:focus-visible,
  .card:hover,
  .legend-btn:hover,
  .nav-cta:hover,
  .nav-cta:focus-visible { transform: none; }
  html.js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
}