/* =========================================================
   亿兆赛场 · 共享外壳样式 /assets/site.css
   四层叠加：冷白纸面 → 数据网格 → 青蓝色块 → 窄体文字
   ========================================================= */

:root{
  --blue-900:#0B3446;
  --blue-800:#0E4356;
  --lake:#176B7A;
  --ink:#071A21;
  --paper:#F5F9FA;
  --white:#FFFFFF;
  --orange:#FF6A2B;
  --yellow:#F3B23C;
  --red:#C63B32;
  --green:#2E6B4F;
  --rock:#5C6B70;
  --rail-w:272px;
  --content-max:1320px;
  --gap:clamp(16px,2vw,28px);
  --pad-x:clamp(20px,4vw,64px);
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:180ms;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-cond:"Barlow Condensed","DIN Alternate","Oswald","Noto Sans SC","PingFang SC",sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ---------- 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,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;cursor:pointer}
a{color:inherit}
main{display:block}
#main-content{scroll-margin-top:24px}

/* ---------- 基础排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(11,52,70,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,52,70,.05) 1px,transparent 1px);
  background-size:52px 52px,52px 52px;
  background-position:-1px -1px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{color:var(--blue-900);font-weight:900;line-height:1.14;letter-spacing:-.012em}
h1{font-size:clamp(34px,4.6vw,60px)}
h2{font-size:clamp(26px,2.9vw,40px)}
h3{font-size:clamp(20px,1.9vw,24px);line-height:1.3}
h4{font-size:18px;line-height:1.4}
p{max-width:70ch}
strong{font-weight:800;color:var(--blue-900)}
.tnum{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

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

:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:1px}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  display:inline-block;padding:10px 18px;
  background:var(--orange);color:var(--ink);
  font-weight:800;font-size:14px;letter-spacing:.04em;
  text-decoration:none;border-radius:var(--radius);
  transform:translateY(-160%);
  transition:transform 160ms var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ---------- 左侧轨道 ---------- */
.rail{
  position:fixed;top:0;left:0;bottom:0;
  z-index:80;
  width:var(--rail-w);
  color:#EAF3F5;
}
.rail__inner{
  position:relative;z-index:20;
  display:flex;flex-direction:column;gap:18px;
  height:100%;
  padding:24px 20px 22px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(245,249,250,.28) transparent;
  background-color:var(--blue-900);
  background-image:
    repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 10px),
    radial-gradient(130% 55% at 0% 0%,rgba(23,107,122,.62),transparent 64%),
    linear-gradient(180deg,#0B3446 0%,#08303F 58%,#071A21 100%);
  border-right:1px solid rgba(245,249,250,.12);
}
.rail__head{display:flex;flex-direction:column;gap:12px}
.rail__status{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:rgba(234,243,245,.7);
}
.status-dot{
  width:7px;height:7px;flex:0 0 auto;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(46,107,79,.28);
  animation:dot-pulse 2.8s ease-out infinite;
}
@keyframes dot-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(46,107,79,.55)}
  55%{box-shadow:0 0 0 6px rgba(46,107,79,0)}
}

/* ---------- 品牌 ---------- */
.brand{
  display:flex;align-items:flex-start;gap:12px;
  text-decoration:none;color:#fff;
}
.brand__mark{
  position:relative;flex:0 0 auto;
  width:34px;height:42px;
  background:var(--orange);
  clip-path:polygon(0 0,100% 0,100% 74%,50% 100%,0 74%);
  transition:background-color var(--t) var(--ease);
}
.brand__mark::before,.brand__mark::after{content:"";position:absolute;left:8px;right:8px;height:4px;background:#fff}
.brand__mark::before{top:11px}
.brand__mark::after{top:20px;background:rgba(255,255,255,.62)}
.brand:hover .brand__mark{background:var(--yellow)}
.brand__text{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand__name{font-size:22px;font-weight:900;letter-spacing:-.01em;line-height:1.1}
.brand__descriptor{
  font-size:11px;letter-spacing:.06em;line-height:1.5;
  color:rgba(234,243,245,.62);
}
.brand-chip{display:none}

/* ---------- 主导航 ---------- */
.nav{display:flex;flex-direction:column;gap:8px}
.nav__caption{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:rgba(234,243,245,.45);
}
.nav__list{display:flex;flex-direction:column;border-top:1px solid rgba(234,243,245,.14)}
.nav__item{border-bottom:1px solid rgba(234,243,245,.14)}
.nav__link{
  position:relative;
  display:grid;grid-template-columns:32px 1fr;align-items:center;gap:8px;
  padding:11px 8px 11px 14px;
  color:rgba(234,243,245,.78);
  font-size:15px;font-weight:600;line-height:1.3;
  text-decoration:none;
  transition:color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav__link::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;
  background:var(--orange);opacity:0;transform:scaleY(.3);transform-origin:center;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
}
.nav__link:hover{color:#fff;background-color:rgba(245,249,250,.06)}
.nav__link:hover::before{opacity:.65;transform:scaleY(.65)}
.nav__link[aria-current="page"]{
  color:#fff;font-weight:800;
  background-image:linear-gradient(90deg,rgba(255,106,43,.22),rgba(255,106,43,0));
}
.nav__link[aria-current="page"]::before{opacity:1;transform:scaleY(1)}
.nav__index{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:rgba(234,243,245,.45);
  transition:color var(--t) var(--ease);
}
.nav__link:hover .nav__index{color:rgba(255,106,43,.9)}
.nav__link[aria-current="page"] .nav__index{color:var(--orange)}
.nav__label{display:block}

/* ---------- 轨道底部：联赛视图 + CTA ---------- */
.rail__foot{
  margin-top:auto;
  display:flex;flex-direction:column;gap:14px;
  padding-top:16px;
  border-top:1px solid rgba(234,243,245,.14);
}
.league-mini{display:flex;flex-direction:column;gap:8px}
.league-mini__caption{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;color:rgba(234,243,245,.45);
}
.league-mini__pills{display:flex;flex-wrap:wrap;gap:6px}
.league-pill{
  padding:5px 10px;
  font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1.4;
  color:rgba(234,243,245,.72);
  border:1px solid rgba(234,243,245,.24);
  border-radius:var(--radius);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.league-pill:hover{color:#fff;border-color:rgba(255,106,43,.75)}
.league-pill[aria-pressed="true"]{
  background:var(--orange);border-color:var(--orange);
  color:var(--ink);font-weight:800;
}
.league-mini__status{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:rgba(234,243,245,.55);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 20px;
  font-family:var(--font-sans);font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.02em;
  color:var(--blue-900);
  text-decoration:none;
  border:2px solid transparent;border-radius:var(--radius);
  transition:background-size 220ms var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.btn--primary{
  color:var(--ink);
  background-color:var(--orange);
  background-image:linear-gradient(90deg,var(--yellow),var(--orange));
  background-repeat:no-repeat;background-position:left center;background-size:0% 100%;
}
.btn--primary:hover,.btn--primary:focus-visible{background-size:100% 100%}
.btn--primary:active{background-size:100% 100%;background-color:var(--yellow)}
.btn--ghost{
  color:var(--blue-900);
  border-color:var(--blue-900);
  background-color:transparent;
}
.btn--ghost:hover,.btn--ghost:focus-visible{background-color:var(--blue-900);color:var(--paper)}
.btn--block{display:flex;width:100%}

/* ---------- 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:75;
  background:rgba(11,52,70,.08);
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--lake),var(--orange));
  transition:width 90ms linear;
}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{display:none}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform 160ms var(--ease),opacity 160ms var(--ease)}
.nav-toggle__label{font-size:13px;font-weight:800;letter-spacing:.08em}

/* ---------- 内容容器与网格 ---------- */
.container{
  width:100%;max-width:var(--content-max);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.container--narrow{max-width:820px}
.prose{max-width:68ch}
.prose p{margin-block:0 1.1em;line-height:1.8}
.prose ul,.prose ol{margin-block:0 1.2em;padding-left:1.2em;list-style:disc}
.prose li{margin-block:.35em}
.prose h2{margin-block:1.8em .6em}
.prose h3{margin-block:1.5em .5em}

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

.section{padding-block:clamp(40px,6vw,84px)}
.section--deep{background:var(--blue-900);color:rgba(245,249,250,.86)}
.section--deep h1,.section--deep h2,.section--deep h3{color:#fff}
.section--deep strong{color:var(--yellow)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-block:0 24px}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--rock)}
.breadcrumbs__item{display:flex;align-items:center;gap:6px}
.breadcrumbs__item:not(:last-child)::after{content:"／";color:rgba(92,107,112,.55);font-family:var(--font-mono)}
.breadcrumbs__link{
  text-decoration:none;color:var(--lake);font-weight:600;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  transition:background-size var(--t) var(--ease),color var(--t) var(--ease);
}
.breadcrumbs__link:hover,.breadcrumbs__link:focus-visible{color:var(--blue-900);background-size:100% 2px}

/* ---------- 标签与眉标 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--lake);
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--orange)}
.tag{
  display:inline-block;padding:3px 9px;
  font-size:12px;font-weight:800;letter-spacing:.04em;line-height:1.6;
  color:var(--lake);
  background:rgba(23,107,122,.1);
  border:1px solid rgba(23,107,122,.3);
  border-radius:var(--radius);
}
.tag--accent{
  color:var(--ink);
  background:rgba(243,178,60,.26);
  border-color:rgba(243,178,60,.68);
}

/* ---------- 图片容器（页面阶段放入 <img>） ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:var(--blue-900);
  border:1px solid rgba(11,52,70,.2);
  border-radius:var(--radius);
}
.media-frame>img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.94) contrast(1.03);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(11,52,70,.55) 1px,transparent 1px);
  background-size:5px 5px;opacity:.22;mix-blend-mode:multiply;
}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame__label{
  position:absolute;left:0;top:0;z-index:2;
  padding:5px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  background:var(--orange);color:var(--ink);font-weight:800;
}

/* ---------- 表格基础 ---------- */
.table{
  width:100%;border-collapse:collapse;
  background:var(--white);
  font-size:15px;
  border:1px solid rgba(11,52,70,.14);
}
.table caption{
  caption-side:top;text-align:left;
  padding:10px 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--lake);background:rgba(23,107,122,.08);
  border:1px solid rgba(11,52,70,.14);border-bottom:0;
}
.table th{
  position:sticky;top:0;z-index:1;
  padding:10px 14px;
  background:var(--lake);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.1em;text-align:left;
}
.table td{
  padding:12px 14px;
  border-bottom:1px solid rgba(11,52,70,.1);
  vertical-align:middle;
}
.table tbody tr{transition:background-color 140ms var(--ease)}
.table tbody tr:hover{background:rgba(23,107,122,.08)}
.table tbody tr:last-child td{border-bottom:0}
.table .tnum{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* =========================================================
   页脚
   ========================================================= */
.foot{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(135deg,rgba(245,249,250,.03) 0 1px,transparent 1px 11px),
    radial-gradient(90% 70% at 100% 0%,rgba(23,107,122,.42),transparent 62%);
  color:rgba(245,249,250,.78);
}
.foot__topline{
  height:6px;
  background-color:var(--blue-800);
  background-image:repeating-linear-gradient(90deg,
    var(--orange) 0 42px,transparent 42px 46px,
    var(--lake) 46px 88px,transparent 88px 92px,
    var(--yellow) 92px 134px,transparent 134px 138px,
    var(--green) 138px 180px,transparent 180px 184px);
}
.foot__inner{
  max-width:var(--content-max);
  margin-inline:auto;
  padding:clamp(36px,4.6vw,60px) var(--pad-x) clamp(20px,2.6vw,32px);
}
.foot__grid{
  display:grid;
  grid-template-columns:1.5fr .85fr .95fr 1.35fr;
  gap:clamp(24px,3vw,48px);
}
.foot__brand{display:flex;flex-direction:column;gap:14px;min-width:0}
.foot__logo{
  display:inline-block;align-self:flex-start;
  padding-bottom:4px;
  font-size:26px;font-weight:900;letter-spacing:-.01em;line-height:1.2;
  color:#fff;text-decoration:none;
  border-bottom:3px solid var(--orange);
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.foot__logo:hover,.foot__logo:focus-visible{border-color:var(--yellow);color:var(--yellow)}
.foot__tagline{max-width:34ch;font-size:14px;line-height:1.8;color:rgba(245,249,250,.72)}
.foot__tags{display:flex;flex-wrap:wrap;gap:6px}
.foot__tag{
  padding:3px 8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:rgba(245,249,250,.66);
  border:1px solid rgba(245,249,250,.22);
  border-radius:var(--radius);
}
.foot__col{display:flex;flex-direction:column;gap:12px;min-width:0}
.foot__title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;
  color:rgba(245,249,250,.5);
  padding-bottom:10px;
  border-bottom:1px solid rgba(245,249,250,.16);
}
.foot__links{display:flex;flex-direction:column;gap:8px}
.foot__link{
  display:inline-block;
  font-size:14px;line-height:1.6;color:rgba(245,249,250,.78);
  text-decoration:none;
  background-image:linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  transition:background-size var(--t) var(--ease),color var(--t) var(--ease);
}
.foot__link:hover,.foot__link:focus-visible{color:#fff;background-size:100% 2px}
.foot__line{font-size:13.5px;line-height:1.7;color:rgba(245,249,250,.68);max-width:32ch}
.foot__contact{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.foot__contact-row{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;
  padding-top:9px;
  border-top:1px dashed rgba(245,249,250,.16);
  font-size:13.5px;line-height:1.6;
}
.foot__contact-key{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  color:rgba(245,249,250,.44);
}
.foot__contact-value{
  flex:1 1 auto;min-width:0;
  color:rgba(245,249,250,.9);
  word-break:break-word;
}
.copy-btn{
  flex:0 0 auto;
  padding:3px 9px;
  font-size:11px;font-weight:800;letter-spacing:.06em;line-height:1.5;
  color:var(--orange);
  border:1px solid rgba(255,106,43,.55);
  border-radius:var(--radius);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.copy-btn:hover,.copy-btn:focus-visible{background:var(--orange);color:var(--ink);border-color:var(--orange)}
.copy-btn[data-copied]{background:var(--green);border-color:var(--green);color:#fff}
.foot__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px solid rgba(245,249,250,.16);
}
.foot__legal{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;
  color:rgba(245,249,250,.55);
}
.foot__icp{color:rgba(245,249,250,.72)}
.foot__legal-links{display:flex;flex-wrap:wrap;gap:16px}
.foot__legal-links .foot__link{font-size:12.5px;color:rgba(245,249,250,.6)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  font-size:12.5px;font-weight:800;letter-spacing:.06em;
  color:rgba(245,249,250,.82);
  border:1px solid rgba(245,249,250,.3);
  border-radius:var(--radius);
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.to-top::before{content:"↑";font-family:var(--font-mono);color:var(--orange);transition:color var(--t) var(--ease)}
.to-top:hover,.to-top:focus-visible{background:var(--orange);color:var(--ink);border-color:var(--orange)}
.to-top:hover::before,.to-top:focus-visible::before{color:var(--ink)}

/* =========================================================
   断点：平板 / 手机
   ========================================================= */
@media (min-width:1040px){
  body{padding-left:var(--rail-w)}
  .scroll-progress{left:var(--rail-w)}
}

@media (max-width:1180px){
  .foot__grid{grid-template-columns:1.3fr .9fr 1.1fr}
  .foot__col--contact{grid-column:1 / -1}
}

@media (max-width:1039px){
  /* 轨道转为全屏遮罩 + 抽屉 */
  .rail{
    inset:0;width:100%;
    background:transparent;
    pointer-events:none;
    transition:background-color 200ms var(--ease);
  }
  .rail[data-open]{
    background:rgba(7,26,33,.66);
    pointer-events:auto;
  }
  .rail__inner{
    position:absolute;top:0;bottom:0;left:0;
    width:min(86vw,332px);
    height:100%;
    padding:74px 22px 26px;
    transform:translateX(-102%);
    visibility:hidden;
    pointer-events:auto;
    transition:transform 240ms var(--ease),visibility 0s linear 240ms;
    box-shadow:14px 0 40px rgba(7,26,33,.35);
  }
  .rail[data-open] .rail__inner{
    transform:none;visibility:visible;
    transition:transform 240ms var(--ease),visibility 0s linear 0s;
  }

  .brand-chip{
    display:grid;place-items:center;
    position:fixed;top:12px;left:12px;z-index:5;
    width:44px;height:48px;
    font-size:18px;font-weight:900;
    color:var(--ink);text-decoration:none;
    background:var(--orange);
    clip-path:polygon(0 0,100% 0,100% 74%,50% 100%,0 74%);
    pointer-events:auto;
    transition:background-color var(--t) var(--ease);
  }
  .brand-chip:hover,.brand-chip:focus-visible{background:var(--yellow)}

  .nav-toggle{
    display:inline-flex;align-items:center;gap:9px;
    position:fixed;top:12px;right:12px;z-index:30;
    padding:10px 14px;
    color:#fff;
    background:var(--blue-900);
    border:2px solid rgba(255,106,43,.6);
    border-radius:var(--radius);
    pointer-events:auto;
    box-shadow:0 8px 20px rgba(7,26,33,.28);
    transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  }
  .rail[data-open] .nav-toggle{
    background:var(--orange);color:var(--ink);border-color:var(--orange);
  }
  .rail[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .rail[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
  .rail[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .nav__link{padding-block:13px;font-size:16px}
}

@media (max-width:900px){
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
  .foot__grid{grid-template-columns:1fr 1fr}
  .foot__brand,.foot__col--contact{grid-column:1 / -1}
}

@media (max-width:620px){
  body{font-size:15.5px}
  .foot__grid{grid-template-columns:1fr;gap:26px}
  .foot__col--contact{padding-top:6px}
  .foot__bottom{align-items:flex-start;flex-direction:column}
  .table{font-size:14px}
  .table th,.table td{padding:10px 11px}
}

/* ---------- 无障碍：减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    transition-delay:0s !important;
  }
  .status-dot{animation:none;box-shadow:0 0 0 3px rgba(46,107,79,.28)}
  .rail__inner{transition:none !important}
  .scroll-progress__bar{transition:none}
}