/* =========================================================
   中欧体育中文站 · 共享站点样式 /assets/site.css
   看台墨绿 + 指挥舱炭黑 + 数据荧光青 + 赛道行动橙
   ========================================================= */

/* ---------- 0. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:var(--mint);color:#04140F}

/* ---------- 1. Tokens ---------- */
:root{
  --ink-900:#051A15;      /* 看台墨绿 */
  --ink-950:#0B0F0E;      /* 指挥舱炭黑 */
  --panel:#12302A;        /* 面板青灰 */
  --mint:#3DF2D0;         /* 数据荧光青 */
  --orange:#FF6B2C;       /* 赛道行动橙 */
  --silver:#B7C3C0;       /* 刻度银灰 */
  --paper:#EAF1EF;        /* 阅读雾白 */
  --violet:#9B8CFF;       /* 专题电光紫 */
  --coral:#FF8A7A;        /* 状态珊瑚 */

  --line:rgba(183,195,192,.20);
  --line-strong:rgba(183,195,192,.44);
  --mint-soft:rgba(61,242,208,.10);
  --ink-text:rgba(234,241,239,.74);
  --ink-text-dim:rgba(234,241,239,.52);

  --font-display:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --wrap:1340px;
  --header-h:72px;
  --gutter:clamp(16px,3vw,40px);
  --shadow-brut:5px 5px 0 rgba(11,15,14,.9);
  --shadow-brut-lg:8px 8px 0 rgba(11,15,14,.72);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- 2. 中文排版基础 ---------- */
.mono,
.metric__value,
.nav-index,
.footer-title,
.footer-legal,
.copy-status,
.crumb-list{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}
.display-title{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(2.4rem,6.6vw,5.2rem);
  line-height:1.02;
  letter-spacing:-.025em;
  color:var(--paper);
  margin:0 0 20px;
}
.display-title em{font-style:normal;color:var(--mint);font-weight:300}
.lede{
  font-size:clamp(15px,1.55vw,17.5px);
  line-height:1.8;
  color:var(--ink-text);
  max-width:62ch;
  margin:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--mint);
  margin:0 0 12px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--mint);display:block}

/* ---------- 3. 布局 ---------- */
.shell{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(48px,7vw,104px)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding-bottom:16px;
  margin-bottom:clamp(24px,3vw,40px);
  border-bottom:1px solid var(--line);
}
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(14px,2vw,28px);
}
.grid-12 > *{min-width:0}
.span-12{grid-column:span 12}
.span-8{grid-column:span 8}
.span-6{grid-column:span 6}
.span-4{grid-column:span 4}
.span-3{grid-column:span 3}
.layout-split{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:clamp(24px,4vw,56px);
  align-items:start;
}
.divider{height:1px;border:0;background:var(--line);margin:clamp(24px,4vw,48px) 0}
.bp-field{position:relative;isolation:isolate}
.bp-field::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(183,195,192,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(183,195,192,.07) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 22px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.2;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .2s,color .2s,border-color .2s,box-shadow .18s;
}
.btn--primary{
  background:var(--orange);
  color:#0B0F0E;
  border-color:var(--orange);
  box-shadow:4px 4px 0 rgba(11,15,14,.9);
}
.btn--primary:hover{background:#FF7F47;transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(11,15,14,.95)}
.btn--ghost{background:transparent;color:var(--mint);border-color:var(--mint)}
.btn--ghost:hover{background:var(--mint-soft)}
.btn--quiet{background:rgba(183,195,192,.10);color:var(--paper);border-color:var(--line-strong)}
.btn--quiet:hover{border-color:var(--silver);background:rgba(183,195,192,.16)}

/* ---------- 5. 头部 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:14px;
  z-index:300;
  padding:10px 18px;
  background:var(--mint);
  color:#04140F;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#07201A 0%,#051A15 100%);
  border-bottom:1px solid var(--line);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header[data-stuck="true"]{
  background:#04140F;
  box-shadow:0 18px 44px rgba(0,0,0,.55);
}
.header-bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,28px);
  width:100%;
  max-width:var(--wrap);
  min-height:var(--header-h);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--paper);
  transition:opacity .2s;
}
.brand:hover{opacity:.86}
.brand-mark{
  position:relative;
  display:grid;
  place-items:center;
  width:32px;
  height:32px;
  border:1px solid var(--mint);
  background:rgba(61,242,208,.07);
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:5px;
  border:1px solid rgba(61,242,208,.42);
}
.brand-mark__dot{
  width:6px;
  height:6px;
  background:var(--orange);
  box-shadow:0 0 12px var(--orange);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;gap:3px}
.brand-name{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:600;
  letter-spacing:.07em;
  white-space:nowrap;
}
.brand-name__zh{color:var(--mint);font-weight:400;margin-left:3px}
.brand-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.2em;
  color:var(--silver);
  white-space:nowrap;
}
.brand-badge::before{
  content:"";
  width:10px;
  height:1px;
  background:var(--silver);
  display:block;
}

/* 栏目导航 */
.site-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  flex:1 1 auto;
  min-width:0;
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-list > li{flex:0 0 auto}
.nav-link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 12px;
  font-size:14px;
  color:rgba(234,241,239,.78);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s,background-color .2s;
}
.nav-link:hover{color:var(--paper);background:rgba(61,242,208,.07)}
.nav-link[aria-current="page"]{
  color:var(--mint);
  border-bottom-color:var(--mint);
  background:rgba(61,242,208,.06);
}
.nav-index{
  font-size:10px;
  letter-spacing:.06em;
  color:rgba(183,195,192,.42);
  transition:color .2s;
}
.nav-link:hover .nav-index{color:var(--silver)}
.nav-link[aria-current="page"] .nav-index{color:var(--mint)}

/* 右侧常驻组 */
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  margin-left:8px;
}
.nav-pinned{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  background:var(--mint);
  color:#04140F;
  border:1px solid var(--mint);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  box-shadow:3px 3px 0 rgba(11,15,14,.85);
  transition:transform .18s var(--ease),background-color .18s,color .18s,border-color .18s,box-shadow .18s;
}
.nav-pinned:hover{
  background:var(--orange);
  border-color:var(--orange);
  color:#0B0F0E;
  transform:translate(-1px,-1px);
  box-shadow:5px 5px 0 rgba(11,15,14,.9);
}
.nav-pinned__arrow{font-family:var(--font-mono);font-size:12px;line-height:1}

/* 移动开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--paper);
  cursor:pointer;
  transition:border-color .2s,color .2s,background-color .2s;
}
.nav-toggle:hover{border-color:var(--mint);color:var(--mint)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars > span{
  display:block;
  height:1.5px;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .22s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:first-child{transform:translateY(2.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars > span:last-child{transform:translateY(-2.75px) rotate(-45deg)}
.nav-toggle__text{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.18em;
}

/* 进度线 */
.header-progress{
  position:relative;
  height:2px;
  background:rgba(183,195,192,.14);
  overflow:hidden;
}
.header-progress__bar{
  display:block;
  width:100%;
  height:100%;
  background:linear-gradient(90deg,var(--mint) 0%,var(--mint) 62%,var(--orange) 100%);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .12s linear;
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-950);
  color:var(--paper);
  border-top:1px solid var(--line-strong);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:132px;
  height:3px;
  background:var(--mint);
}
.footer-inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(40px,6vw,76px) var(--gutter) 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) minmax(0,2.6fr) minmax(270px,1.6fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}

.footer-mark{
  display:block;
  width:36px;
  height:36px;
  margin-bottom:16px;
  border:1px solid var(--mint);
  background:rgba(61,242,208,.06);
  position:relative;
}
.footer-mark::after{
  content:"";
  position:absolute;
  inset:10px;
  background:var(--orange);
  box-shadow:0 0 14px rgba(255,107,44,.55);
}
.footer-brand__name{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:600;
  letter-spacing:.1em;
  margin:0 0 8px;
}
.footer-brand__line{
  font-size:13px;
  line-height:1.8;
  color:var(--ink-text-dim);
  max-width:28ch;
  margin:0 0 20px;
}
.footer-cta{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border:1px solid var(--mint);
  color:var(--mint);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  transition:background-color .2s,color .2s,transform .18s var(--ease);
}
.footer-cta::after{content:"→";font-size:12px;line-height:1}
.footer-cta:hover{background:var(--mint);color:#04140F;transform:translateX(2px)}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.footer-col{min-width:0}
.footer-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:10.5px;
  letter-spacing:.2em;
  color:var(--silver);
  margin:0 0 16px;
  padding-bottom:9px;
  border-bottom:1px solid var(--line);
}
.footer-title__num{color:var(--mint);font-size:10px}
.footer-list{display:grid;gap:11px}
.footer-link{
  display:inline-block;
  font-size:13.5px;
  color:rgba(234,241,239,.72);
  padding-bottom:1px;
  background-image:linear-gradient(var(--mint),var(--mint));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:color .2s,background-size .25s var(--ease);
}
.footer-link:hover{color:var(--paper);background-size:100% 1px}

.contact-list{display:grid;gap:11px;margin:0 0 14px}
.contact-item{
  display:grid;
  grid-template-columns:42px minmax(0,1fr);
  gap:10px;
  align-items:baseline;
}
.contact-key{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.16em;
  color:var(--mint);
}
.contact-val{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(234,241,239,.84);
  word-break:break-word;
}
.contact-note{
  font-size:12px;
  line-height:1.75;
  color:var(--ink-text-dim);
  margin:0 0 14px;
}
.copy-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.copy-btn{
  padding:8px 14px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .2s,color .2s,background-color .2s;
}
.copy-btn:hover{border-color:var(--mint);color:var(--mint);background:rgba(61,242,208,.08)}
.copy-status{
  display:block;
  min-height:1em;
  font-size:10.5px;
  letter-spacing:.08em;
  color:var(--mint);
}

.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 26px;
  margin-top:clamp(32px,5vw,56px);
  padding-top:18px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--ink-text-dim);
}
.footer-update{display:inline-flex;align-items:center;gap:9px;margin:0}
.pulse-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 0 rgba(255,107,44,.6);
  animation:cd-pulse 2.8s ease-out infinite;
}
@keyframes cd-pulse{
  0%{box-shadow:0 0 0 0 rgba(255,107,44,.55)}
  60%{box-shadow:0 0 0 8px rgba(255,107,44,0)}
  100%{box-shadow:0 0 0 0 rgba(255,107,44,0)}
}
.footer-legal{margin:0}
.footer-icp{color:var(--silver)}
.to-top{
  margin-left:auto;
  padding:7px 14px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:border-color .2s,color .2s,background-color .2s;
}
.to-top:hover{border-color:var(--mint);color:var(--mint);background:rgba(61,242,208,.08)}

/* ---------- 7. 面包屑 ---------- */
.crumbs{margin-block:22px 0}
.crumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--ink-text-dim);
}
.crumb-link{color:var(--silver);transition:color .2s}
.crumb-link:hover{color:var(--mint)}
.crumb-sep{color:rgba(183,195,192,.32)}
.crumb-current{color:var(--mint)}

/* ---------- 8. 通用组件 ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  padding:clamp(18px,2.2vw,26px);
}
.panel--raised{
  border-color:var(--line-strong);
  box-shadow:var(--shadow-brut-lg);
}
.panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px dashed rgba(183,195,192,.26);
}
.panel__label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.2em;
  color:var(--silver);
  margin:0;
}
.metric{display:grid;gap:4px}
.metric__value{
  font-size:clamp(1.35rem,2.4vw,2rem);
  line-height:1.1;
  color:var(--mint);
  letter-spacing:-.01em;
}
.metric__label{
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--ink-text-dim);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  line-height:1.6;
  color:var(--mint);
  background:rgba(61,242,208,.08);
}
.tag--orange{color:var(--orange);background:rgba(255,107,44,.10)}
.tag--violet{color:var(--violet);background:rgba(155,140,255,.12)}
.tag--silver{color:var(--silver);background:rgba(183,195,192,.09)}

/* 图片容器基础规则（无远程资源，网格占位） */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(135deg,rgba(61,242,208,.14),rgba(155,140,255,.08) 46%,rgba(255,107,44,.12)),
    repeating-linear-gradient(0deg,rgba(183,195,192,.13) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(183,195,192,.13) 0 1px,transparent 1px 34px),
    #0A231D;
}
.media-frame > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(183,195,192,.22);
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}

/* ---------- 9. 动效 ---------- */
.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.js-ready [data-reveal="2"]{transition-delay:.08s}
.js-ready [data-reveal="3"]{transition-delay:.16s}
.js-ready [data-reveal="4"]{transition-delay:.24s}
.js-ready [data-reveal][data-revealed="true"]{opacity:1;transform:none}

/* ---------- 10. 焦点可见 ---------- */
:where(a,button,[tabindex]):focus-visible{
  outline:2px solid var(--mint);
  outline-offset:3px;
  border-radius:0;
}
.to-top:focus-visible,
.copy-btn:focus-visible,
.nav-toggle:focus-visible{outline-color:var(--orange)}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1180px){
  .nav-link{padding:9px 9px;font-size:13.5px}
  .nav-index{display:none}
}

@media (max-width:1023px){
  :root{--header-h:64px}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    margin-left:0;
    padding:6px var(--gutter) 18px;
    background:#071E19;
    border-bottom:1px solid var(--line-strong);
    box-shadow:0 28px 48px rgba(0,0,0,.55);
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
  }
  .site-header[data-open="true"] .site-nav,
  [data-nav][data-open="true"]{display:flex}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    overflow:visible;
  }
  .nav-list > li + li{border-top:1px solid var(--line)}
  .nav-link{
    display:block;
    padding:14px 4px 14px 12px;
    font-size:15px;
    border-bottom:0;
    border-left:2px solid transparent;
  }
  .nav-index{display:inline;margin-right:9px;font-size:10.5px}
  .nav-link[aria-current="page"]{
    border-bottom:0;
    border-left-color:var(--mint);
    background:rgba(61,242,208,.07);
  }
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .nav-pinned{padding:8px 11px;font-size:12px}
  .layout-split{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-8,.span-6,.span-4,.span-3{grid-column:span 6}
  .footer-nav{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:720px){
  .brand-badge{display:none}
  .brand-name{font-size:14px}
  .grid-12{grid-template-columns:1fr}
  .span-12,.span-8,.span-6,.span-4,.span-3{grid-column:1 / -1}
  .footer-top{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:1fr 1fr;gap:22px}
  .footer-meta{font-size:10.5px}
  .to-top{margin-left:0}
  .display-title{letter-spacing:-.015em}
}

@media (max-width:520px){
  :root{--gutter:16px}
  .nav-pinned{font-size:11.5px;padding:8px 9px;gap:5px}
  .nav-pinned__arrow{display:none}
  .nav-toggle{padding:7px 8px}
  .nav-toggle__text{display:none}
  .footer-nav{grid-template-columns:1fr}
  .contact-item{grid-template-columns:38px minmax(0,1fr)}
  .footer-update{flex:1 1 100%}
}

/* ---------- 12. 降低动态偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js-ready [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .pulse-dot{animation:none;box-shadow:none}
}