/* =========================================================
   开云买球网 — 共享样式表 /assets/site.css
   矿物绿茵 · 档案夹 × 球场
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
address { font-style: normal; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --turf-900: #17402F;
  --turf-600: #2E7D57;
  --turf-400: #48A177;
  --sea-800: #103A57;
  --sea-500: #2C6E96;
  --referee-yellow: #E4FF3D;
  --terracotta: #C0703F;
  --stone-500: #6B7178;
  --ink-900: #141C19;
  --rice-white: #F5F2E9;
  --mist-200: #E2E4E0;

  --rail-w: 272px;
  --topbar-h: 64px;
  --r-lg: 40px;
  --r-md: 28px;
  --r-sm: 16px;
  --r-pill: 999px;

  --shadow-1: 0 2px 6px rgba(20, 28, 25, .06), 0 12px 28px rgba(20, 28, 25, .06);
  --shadow-2: 0 8px 18px rgba(20, 28, 25, .10), 0 24px 48px rgba(20, 28, 25, .13);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "SF Mono", Menlo, Consolas, "Courier New", monospace;

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

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink-900);
  background-color: var(--rice-white);
  background-image: linear-gradient(180deg, rgba(226, 228, 224, .55) 0, rgba(245, 242, 233, 0) 480px);
  word-break: break-word;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}
@media (min-width: 1024px) {
  body { padding-top: 0; padding-left: var(--rail-w); }
}

h1, h2, h3, h4 { line-height: 1.25; font-weight: 900; letter-spacing: -0.02em; }
a { color: var(--sea-500); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--turf-600); }

:focus-visible {
  outline: 2px solid var(--referee-yellow);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px rgba(20, 28, 25, .45);
}

.num, [data-num] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- 4. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}
.section { padding-block: clamp(56px, 8vw, 112px); }
.section--tight { padding-block: clamp(36px, 5vw, 56px); }
.section__head { max-width: 62ch; margin-bottom: clamp(28px, 4vw, 52px); }
.section__title { font-size: clamp(28px, 4vw, 46px); }
.section__lede { margin-top: 14px; color: var(--stone-500); font-size: 16px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--turf-600);
  margin-bottom: 14px;
}

/* ---------- 5. 网格与非对称分屏 ---------- */
.split { display: grid; gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (min-width: 900px) {
  .split--5-7 { grid-template-columns: 5fr 7fr; }
  .split--7-5 { grid-template-columns: 7fr 5fr; }
  .split--4-8 { grid-template-columns: 4fr 8fr; }
}
.grid--auto {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ---------- 6. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 90;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--referee-yellow);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 7. 头部 · 侧边轨道导航 ---------- */
.site-rail {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 0 clamp(16px, 4vw, 28px);
  background: var(--sea-800);
  background-image: linear-gradient(160deg, rgba(44, 110, 150, .55) 0%, rgba(16, 58, 87, 0) 62%);
  color: var(--rice-white);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.rail__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--topbar-h);
  flex: 0 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--rice-white);
  text-decoration: none;
  border-radius: var(--r-sm);
}
.brand:hover { color: #fff; }
.brand__stamp {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 14px;
  background: var(--turf-600);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  box-shadow: inset 0 -2px 0 rgba(20, 28, 25, .18);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-size: 17px; font-weight: 900; letter-spacing: -0.01em; }
.brand__sub { font-size: 11px; letter-spacing: 0.2em; color: rgba(245, 242, 233, .55); }

.rail__toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(245, 242, 233, .32);
  color: var(--rice-white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.rail__toggle:hover { background: rgba(245, 242, 233, .12); border-color: rgba(245, 242, 233, .6); }
.rail__toggle-icon { position: relative; width: 16px; height: 10px; flex: none; }
.rail__toggle-icon::before,
.rail__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), top .22s var(--ease);
}
.rail__toggle-icon::before { top: 0; }
.rail__toggle-icon::after { top: 8px; }
.site-rail[data-open] .rail__toggle-icon::before { top: 4px; transform: rotate(45deg); }
.site-rail[data-open] .rail__toggle-icon::after { top: 4px; transform: rotate(-45deg); }

.rail__nav { display: flex; flex-direction: column; gap: 18px; }
.rail__nav-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: rgba(245, 242, 233, .45);
}
.rail__list { display: flex; flex-direction: column; gap: 4px; }
.rail__item { display: block; }
.rail__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--r-pill);
  color: rgba(245, 242, 233, .78);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.rail__link:hover { background: rgba(245, 242, 233, .09); color: #fff; transform: translateX(3px); }
.rail__index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 233, .42);
}
.rail__label { display: inline-block; }
.rail__link[aria-current="page"] {
  background: rgba(46, 125, 87, .42);
  color: #fff;
  font-weight: 700;
}
.rail__link[aria-current="page"] .rail__index { color: var(--referee-yellow); }
.rail__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 22px;
  transform: translateY(-50%);
  border-radius: var(--r-pill);
  background: var(--referee-yellow);
}
.rail__actions { display: flex; flex-direction: column; gap: 10px; }
.rail__note { display: none; }

/* 移动端抽屉 */
@media (max-width: 1023px) {
  .rail__nav {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    z-index: 55;
    max-height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    padding: 22px clamp(16px, 4vw, 28px) 30px;
    background: var(--sea-800);
    background-image: linear-gradient(200deg, rgba(23, 64, 47, .8) 0%, rgba(16, 58, 87, 0) 70%);
    border-radius: 0 0 32px 32px;
    box-shadow: 0 26px 52px rgba(20, 28, 25, .38);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s linear;
  }
  .site-rail[data-open] .rail__nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .rail__nav-title { padding-bottom: 12px; border-bottom: 1px solid rgba(245, 242, 233, .14); }
  .rail__actions { margin-top: 10px; }
  .rail__actions .btn { width: 100%; }
}

@media (min-width: 1024px) {
  .site-rail {
    width: var(--rail-w);
    height: auto;
    bottom: 0;
    padding: 36px 26px 28px;
    border-radius: 0 44px 44px 0;
    overflow: hidden;
  }
  .site-rail::after {
    content: "";
    position: absolute;
    left: -50px;
    right: -50px;
    bottom: -80px;
    height: 200px;
    background: radial-gradient(120% 100% at 32% 100%, rgba(46, 125, 87, .6) 0%, rgba(46, 125, 87, 0) 72%);
    pointer-events: none;
  }
  .rail__bar { flex-direction: column; align-items: flex-start; justify-content: flex-start; height: auto; }
  .rail__toggle { display: none; }
  .rail__nav { position: relative; z-index: 1; margin-top: 40px; flex: 1 1 auto; gap: 22px; }
  .rail__nav-title { padding-bottom: 14px; border-bottom: 1px solid rgba(245, 242, 233, .14); }
  .rail__actions { margin-top: auto; }
  .rail__actions .btn { width: 100%; }
  .rail__note {
    display: block;
    position: absolute;
    right: 13px;
    bottom: 132px;
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.3em;
    color: rgba(245, 242, 233, .34);
  }
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  text-align: center;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-1); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--turf-600); color: #fff; }
.btn--primary:hover { background: var(--turf-400); color: #fff; }
.btn--ghost {
  background: rgba(245, 242, 233, .06);
  border-color: rgba(245, 242, 233, .32);
  color: var(--rice-white);
}
.btn--ghost:hover { background: rgba(245, 242, 233, .16); border-color: rgba(245, 242, 233, .6); color: #fff; }
.btn--line { border-color: rgba(20, 28, 25, .22); color: var(--ink-900); }
.btn--line:hover { border-color: var(--turf-600); color: var(--turf-600); }
.btn--accent { background: var(--referee-yellow); color: var(--ink-900); }
.btn--accent:hover { background: #eefd78; color: var(--ink-900); }

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs { padding-block: 20px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: var(--stone-500); font-size: 12px; }
.crumb { font-size: 13px; color: var(--stone-500); text-decoration: none; }
.crumb:hover { color: var(--turf-600); }
.crumb[aria-current="page"] { color: var(--ink-900); font-weight: 700; }

/* ---------- 10. 卡片 / 档案条 / 数据表 ---------- */
.card {
  background: #fff;
  border: 1px solid rgba(20, 28, 25, .07);
  border-radius: var(--r-md);
  padding: clamp(22px, 3vw, 32px);
  box-shadow: var(--shadow-1);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: rgba(46, 125, 87, .3); }
.card--data { background: var(--mist-200); box-shadow: none; border-color: rgba(20, 28, 25, .05); }
.card--data:hover { box-shadow: var(--shadow-1); }
.card--dark { background: var(--turf-900); color: rgba(245, 242, 233, .86); border-color: transparent; }
.card--dark .card__title { color: var(--rice-white); }
.card__title { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.card__meta { margin-top: 10px; font-size: 13px; color: var(--stone-500); }
.card--dark .card__meta { color: rgba(245, 242, 233, .55); }
.card__body { margin-top: 14px; font-size: 15px; }

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  color: var(--turf-600);
  transition: transform .22s var(--ease);
}
.stat:hover .stat__value { transform: scale(1.02); }
.stat__label { font-size: 13px; letter-spacing: 0.08em; color: var(--stone-500); }
.stat--accent .stat__value { color: var(--terracotta); }

.data-band {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-lg);
  background: var(--turf-900);
  color: rgba(245, 242, 233, .8);
}
.data-band__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--rice-white);
}
.data-band__label { display: block; margin-top: 6px; font-size: 12px; letter-spacing: 0.16em; }

.data-table { font-size: 15px; }
.data-table thead th {
  background: var(--sea-500);
  color: #fff;
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
  white-space: nowrap;
}
.data-table thead th:first-child { border-top-left-radius: var(--r-sm); border-bottom-left-radius: var(--r-sm); }
.data-table thead th:last-child { border-top-right-radius: var(--r-sm); border-bottom-right-radius: var(--r-sm); }
.data-table td { padding: 14px 16px; border-bottom: 1px solid rgba(20, 28, 25, .08); vertical-align: top; }
.data-table tbody tr:nth-child(even) { background: var(--mist-200); }
.data-table td.num, .data-table th.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; }

@media (max-width: 720px) {
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table thead { display: none; }
  .data-table tr {
    background: #fff;
    border: 1px solid rgba(20, 28, 25, .1);
    border-radius: var(--r-sm);
    padding: 10px 14px;
    margin-bottom: 12px;
  }
  .data-table tbody tr:nth-child(even) { background: #fff; }
  .data-table td {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 7px 0;
    border-bottom: 1px dashed rgba(20, 28, 25, .08);
  }
  .data-table td:last-child { border-bottom: 0; }
  .data-table td::before {
    content: attr(data-label);
    flex: none;
    font-size: 13px;
    color: var(--stone-500);
  }
}

/* ---------- 11. 胶囊筛选与标签 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: var(--mist-200);
  color: var(--ink-900);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.chip:hover { border-color: var(--turf-600); color: var(--turf-600); }
.chip--active, .chip[aria-pressed="true"] { background: var(--turf-600); color: #fff; }
.chip--active .chip__count, .chip[aria-pressed="true"] .chip__count { color: rgba(255, 255, 255, .7); }
.chip__count { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12px; color: var(--stone-500); }

.tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  background: rgba(192, 112, 63, .16);
  color: #9c5729;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.tag--season { background: rgba(46, 125, 87, .16); color: var(--turf-900); }
.tag--mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }

/* ---------- 12. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--mist-200);
  aspect-ratio: 16 / 10;
  isolation: isolate;
}
.media > img, .media > video { width: 100%; height: 100%; object-fit: cover; display: block; }
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(-45deg, rgba(20, 28, 25, .05) 0 1px, transparent 1px 3px);
  opacity: .6;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media--slab { border-radius: var(--r-lg); }
.media__cap {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: rgba(23, 64, 47, .82);
  color: var(--rice-white);
  font-size: 13px;
  backdrop-filter: blur(4px);
}

/* ---------- 13. 正文 ---------- */
.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.1em; }
.prose h2 { margin: 2em 0 .6em; font-size: clamp(22px, 2.6vw, 30px); }
.prose h3 { margin: 1.6em 0 .5em; font-size: 19px; }
.prose ul, .prose ol { margin: 1em 0; padding-left: 1.3em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .4em; }

/* ---------- 14. 章节跳转胶囊 ---------- */
.jump-rail {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
  flex-direction: column;
  gap: 8px;
}
@media (min-width: 1360px) { .jump-rail { display: flex; } }
.jump-pill {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(20, 28, 25, .1);
  background: rgba(245, 242, 233, .92);
  color: var(--stone-500);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.jump-pill:hover { color: var(--ink-900); border-color: var(--turf-600); }
.jump-pill[aria-current="true"] { background: var(--turf-900); color: var(--rice-white); border-color: transparent; }

/* ---------- 15. 阅读进度与返回顶部 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 80;
  background: rgba(20, 28, 25, .06);
  pointer-events: none;
}
.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--turf-600) 0%, var(--referee-yellow) 100%);
}
.to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 65;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  background: var(--turf-900);
  color: var(--rice-white);
  font-size: 18px;
  line-height: 1;
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s linear, background .2s var(--ease);
}
.to-top[data-visible] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--turf-600); }

/* ---------- 16. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 112px);
  padding-bottom: 30px;
  background: var(--turf-900);
  background-image: linear-gradient(200deg, rgba(44, 110, 150, .22) 0%, rgba(23, 64, 47, 0) 58%);
  color: rgba(245, 242, 233, .8);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
}
.city-mark {
  height: 72px;
  margin-bottom: clamp(26px, 4vw, 46px);
  background: linear-gradient(180deg, rgba(226, 228, 224, .18) 0%, rgba(226, 228, 224, .05) 100%);
  clip-path: polygon(
    0% 100%, 0% 62%, 5% 62%, 5% 45%, 9% 45%, 9% 68%, 15% 68%, 15% 30%, 18% 30%,
    18% 12%, 21% 12%, 21% 47%, 25% 47%, 25% 67%, 31% 67%, 31% 38%, 35% 38%, 35% 58%,
    41% 58%, 41% 22%, 44% 22%, 44% 7%, 46% 7%, 46% 41%, 51% 41%, 51% 63%, 57% 63%,
    57% 34%, 61% 34%, 61% 55%, 67% 55%, 67% 26%, 70% 26%, 70% 11%, 72% 11%, 72% 45%,
    77% 45%, 77% 65%, 83% 65%, 83% 36%, 87% 36%, 87% 56%, 92% 56%, 92% 69%, 100% 69%,
    100% 100%
  );
}
.footer__inner { display: block; }
.footer__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .footer__grid { grid-template-columns: 4fr 2.2fr 2.2fr 2.2fr 3.4fr; }
}
.footer__brand-name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--rice-white);
}
.footer__lede { margin-top: 14px; font-size: 15px; max-width: 40ch; }
.footer__city {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(228, 255, 61, .35);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--referee-yellow);
}
.footer__group-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: rgba(245, 242, 233, .95);
  margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__link {
  color: rgba(245, 242, 233, .72);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s var(--ease), transform .2s var(--ease);
  display: inline-block;
}
.footer__link:hover { color: var(--referee-yellow); transform: translateX(3px); }
.footer__link--mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.footer__contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 14px;
  padding-bottom: 8px;
}
.footer__contact-label {
  flex: none;
  color: rgba(245, 242, 233, .5);
  letter-spacing: 0.16em;
  font-size: 12px;
  padding-top: 3px;
}
.footer__contact-value { color: rgba(245, 242, 233, .88); }
.footer__contact-value--mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.footer__note { margin-top: 8px; font-size: 12px; color: rgba(245, 242, 233, .48); }
.footer__legal {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: 20px;
  border-top: 1px solid rgba(245, 242, 233, .16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 13px;
  color: rgba(245, 242, 233, .58);
}
.footer__copy { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }

/* ---------- 17. 进入视口显现 ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(16px); }
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}

/* ---------- 18. 无障碍与动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .card:hover, .btn:hover, .rail__link:hover, .footer__link:hover { transform: none; }
  .stat:hover .stat__value { transform: none; }
}