/* ============================================================
   华体育网赛事 · /assets/site.css
   共享外壳：reset / tokens / 排版 / 头部 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 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;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}
input,textarea,select{font:inherit}

/* ---------- 2. TOKENS ---------- */
:root{
  --ink-950:#040D14;
  --ink-900:#081826;
  --ink-700:#102B3F;
  --steel-500:#2E4A5E;
  --paper-100:#F2EBDD;
  --gray-400:#8C99A6;
  --volt-400:#B6F23A;
  --ember-500:#FF7A33;
  --flare-600:#E5432A;
  --volt-100:#E4F7C4;
  --sand-300:#D8CFBC;

  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;

  --page-w:min(1120px,92vw);
  --header-offset:100px;
  --radius-pill:999px;
  --radius-md:14px;
  --cut:22px;
  --edge:rgba(140,153,166,.22);
  --edge-soft:rgba(140,153,166,.14);
  --hair:rgba(242,235,221,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. BASE ---------- */
html,body{min-height:100%}
body{
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 620px at 88% -12%, rgba(46,74,94,.42), transparent 62%),
    radial-gradient(900px 520px at -6% 104%, rgba(16,43,63,.85), transparent 66%);
  color:var(--paper-100);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  padding-top:var(--header-offset);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* 控制室扫描线颗粒 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:2;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg, rgba(242,235,221,.026) 0 1px, transparent 1px 3px);
  opacity:.55;
  mix-blend-mode:overlay;
}
::selection{background:var(--volt-400);color:var(--ink-950)}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.01em;
  text-wrap:balance;
}
h1{font-size:clamp(40px,6.4vw,88px)}
h2{font-size:clamp(28px,3.6vw,56px)}
h3{font-size:clamp(22px,2.2vw,32px)}
p{text-wrap:pretty}
strong{font-weight:700;color:var(--paper-100)}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em}

a{transition:color .18s var(--ease)}
#main-content{display:block;scroll-margin-top:calc(var(--header-offset) + 12px)}
#main-content:focus{outline:none}

:focus-visible{
  outline:2px solid var(--volt-400);
  outline-offset:3px;
  border-radius:3px;
}

/* ---------- 4. UTILITIES ---------- */
.container{width:var(--page-w);margin-inline:auto}
.section{padding-block:clamp(40px,6vw,88px)}
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.rule{
  height:1px;
  border:0;
  background:linear-gradient(90deg,var(--volt-400),rgba(140,153,166,.28) 34%,transparent 88%);
  opacity:.55;
}
.sr-only{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.mono{font-family:var(--font-mono);letter-spacing:.02em}

/* 展览标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  background:var(--paper-100);
  color:var(--flare-600);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.6;
  white-space:nowrap;
  clip-path:polygon(0 0,100% 0,100% 100%,10px 100%,0 calc(100% - 10px));
}
.tag--volt{background:var(--volt-100);color:#2a4d0e}
.tag--dark{background:rgba(4,13,20,.7);color:var(--volt-400)}

/* 小标 */
.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(--gray-400);
}
.eyebrow::before{
  content:"";
  width:16px;height:2px;
  background:var(--volt-400);
  flex:0 0 auto;
}

/* 切角面板 */
.cut-panel{
  position:relative;
  background:var(--ink-700);
  border:1px solid var(--edge-soft);
  padding:clamp(18px,2.6vw,32px);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
}
.cut-panel--paper{background:var(--paper-100);color:var(--ink-900);border-color:var(--sand-300)}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.3;
  white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ember{background:var(--ember-500);color:var(--ink-950)}
.btn--ember:hover{background:#ff9457}
.btn--volt{background:var(--volt-400);color:var(--ink-950)}
.btn--volt:hover{background:#c9f96b}
.btn--ghost{border-color:rgba(242,235,221,.3);color:var(--paper-100)}
.btn--ghost:hover{border-color:var(--volt-400);color:var(--volt-400);background:rgba(182,242,58,.06)}

/* 图片容器基础规则（页面阶段放入 <img>） */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-md);
  border:1px solid var(--edge-soft);
  background:
    linear-gradient(135deg,var(--ink-700) 0%,var(--ink-950) 100%);
  isolation:isolate;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg, rgba(242,235,221,.045) 0 1px, transparent 1px 4px);
  opacity:.7;
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:saturate(.92) contrast(1.04);
}
.media--wide{aspect-ratio:16/9}
.media--band{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}

/* 正文阅读区 */
.prose{max-width:68ch;font-size:17px;line-height:1.82;color:rgba(242,235,221,.9)}
.prose>*+*{margin-top:1em}
.prose h2,.prose h3{margin-top:1.8em;color:var(--paper-100)}
.prose ul,.prose ol{list-style:disc;padding-left:1.3em}
.prose ol{list-style:decimal}
.prose li+li{margin-top:.4em}
.prose a{color:var(--volt-400);text-decoration:underline;text-underline-offset:3px}

/* 面包屑 */
.breadcrumb{padding-block:14px 0}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--gray-400)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item+ .breadcrumb__item::before{content:"/";color:rgba(140,153,166,.5)}
.breadcrumb__link{color:var(--gray-400)}
.breadcrumb__link:hover{color:var(--volt-400)}
.breadcrumb__item[aria-current="page"]{color:var(--paper-100)}

/* 入场显隐 */
.js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 5. SKIP LINK ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:10px 18px;
  border-radius:8px;
  background:var(--volt-400);
  color:var(--ink-950);
  font-weight:700;
  font-size:13px;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 6. HEADER ---------- */
.site-header{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  position:relative;
  width:var(--page-w);
  display:flex;
  align-items:center;
  gap:clamp(6px,1.1vw,16px);
  padding:8px 10px 8px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--edge);
  background:linear-gradient(180deg,rgba(10,28,43,.94) 0%,rgba(4,13,20,.97) 100%);
  box-shadow:0 22px 48px -26px rgba(0,0,0,.95),inset 0 1px 0 rgba(242,235,221,.07);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:padding .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:2px 6px 2px 0;
  border-radius:var(--radius-pill);
}
.brand__mark{
  width:38px;height:38px;
  flex:0 0 38px;
  display:grid;
  place-items:center;
  background:var(--ember-500);
  color:var(--ink-950);
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  line-height:1;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.brand:hover .brand__mark{transform:rotate(-8deg);background:var(--volt-400)}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:16px;
  letter-spacing:.02em;
  color:var(--paper-100);
  white-space:nowrap;
}
.brand__tag{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.22em;
  color:var(--gray-400);
  white-space:nowrap;
}

/* 导航 */
.nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav__list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav__item{display:flex}
.nav__item--cta{display:none}
.nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:5px;
  padding:8px 10px;
  border-radius:var(--radius-pill);
  font-size:13.5px;
  line-height:1.2;
  color:rgba(242,235,221,.78);
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.nav__idx{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.08em;
  color:var(--volt-400);
  opacity:.55;
  transition:color .18s var(--ease),opacity .18s var(--ease);
}
.nav__link:hover{color:var(--paper-100);background:rgba(46,74,94,.55);transform:translateY(-2px)}
.nav__link:hover .nav__idx{opacity:1}
.nav__link[aria-current="page"]{
  background:var(--volt-400);
  color:var(--ink-950);
  font-weight:700;
  box-shadow:0 0 0 1px rgba(182,242,58,.4),0 10px 24px -16px rgba(182,242,58,.9);
}
.nav__link[aria-current="page"] .nav__idx{color:var(--ink-950);opacity:.65}

/* 状态块 */
.nav__status{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:7px;
  padding:6px 11px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(182,242,58,.24);
  background:rgba(182,242,58,.07);
}
.status-dot{
  width:7px;height:7px;
  flex:0 0 7px;
  border-radius:50%;
  background:var(--volt-400);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(182,242,58,.55)}
  70%{box-shadow:0 0 0 7px rgba(182,242,58,0)}
  100%{box-shadow:0 0 0 0 rgba(182,242,58,0)}
}
.nav__status-text{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.04em;
  color:var(--volt-100);
  white-space:nowrap;
}

/* 桌面 CTA */
.nav__cta{flex:0 0 auto;padding:9px 16px;font-size:13px}

/* 移动按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:8px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--edge);
  background:rgba(16,43,63,.7);
  color:var(--paper-100);
  font-size:12px;
  letter-spacing:.06em;
}
.nav-toggle:hover{border-color:var(--volt-400);color:var(--volt-400)}
.nav-toggle__bars{display:grid;gap:5px;width:18px}
.nav-toggle__bars i{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:currentColor;
  transition:transform .22s var(--ease);
}
.nav-toggle__label{white-space:nowrap}

/* 滚动收缩态 */
.site-header[data-scrolled="true"] .nav-pill{
  padding-block:5px;
  background:linear-gradient(180deg,rgba(8,24,38,.97) 0%,rgba(4,13,20,.99) 100%);
  box-shadow:0 16px 34px -22px rgba(0,0,0,.95),inset 0 1px 0 rgba(242,235,221,.05);
}
.site-header[data-scrolled="true"] .brand__tag{display:none}
.site-header[data-scrolled="true"] .nav__status-text{display:none}
.site-header[data-scrolled="true"] .nav__status{padding:6px 8px}

/* 打开态（移动抽屉） */
.site-header[data-open="true"] .nav-toggle{border-color:var(--ember-500);color:var(--ember-500)}
.site-header[data-open="true"] .nav-toggle__bars i:first-child{transform:translateY(3.5px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars i:last-child{transform:translateY(-3.5px) rotate(-45deg)}
body.nav-open{overflow:hidden}

/* ---------- 7. FOOTER ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,132px);
  background:var(--ink-950);
  border-top:1px solid rgba(182,242,58,.2);
  color:var(--paper-100);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(115deg, rgba(46,74,94,.32) 0 1px, transparent 1px 46px);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  opacity:.6;
}
.site-footer::after{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--volt-400) 0%,var(--ember-500) 34%,var(--flare-600) 52%,transparent 82%);
  opacity:.9;
}
.footer__inner{position:relative;z-index:1;padding-block:clamp(36px,5.4vw,68px) 0}

.footer__grid{
  display:grid;
  grid-template-columns:4fr 2.8fr 2.6fr 2.6fr;
  gap:clamp(22px,3.4vw,52px);
  align-items:start;
}

/* 品牌栏 */
.footer__brand{display:flex;flex-direction:column;gap:14px;min-width:0}
.footer__wordmark{
  display:inline-flex;
  align-items:center;
  gap:11px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:22px;
  letter-spacing:.01em;
}
.footer__wordmark:hover .footer__mark{transform:rotate(-8deg);background:var(--volt-400)}
.footer__mark{
  width:36px;height:36px;
  flex:0 0 36px;
  display:grid;place-items:center;
  background:var(--ember-500);
  color:var(--ink-950);
  font-size:19px;
  line-height:1;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.footer__wordmark-text{white-space:nowrap}
.footer__tagline{
  font-size:14px;
  line-height:1.7;
  color:rgba(242,235,221,.72);
  max-width:26ch;
}
.footer__meta{
  display:flex;
  flex-direction:column;
  gap:4px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--gray-400);
  margin-top:2px;
}

/* 栏目标题与链接 */
.footer__col{min-width:0}
.footer__title{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.22em;
  line-height:1.4;
  color:var(--gray-400);
  text-transform:uppercase;
}
.footer__title::before{
  content:"";
  width:14px;height:2px;
  flex:0 0 14px;
  background:var(--volt-400);
}
.footer__list{display:flex;flex-direction:column;gap:2px}
.footer__link{
  display:inline-block;
  padding:5px 0;
  font-size:14px;
  color:rgba(242,235,221,.76);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer__link:hover{color:var(--volt-400);transform:translateX(3px)}
.footer__link--inline{
  display:inline;
  padding:0;
  font-size:inherit;
  color:var(--gray-400);
}
.footer__link--inline:hover{color:var(--volt-400);transform:none}

/* 联系栏 */
.footer__list--contact{gap:8px}
.copy-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  max-width:100%;
  padding:7px 11px;
  border:1px dashed rgba(140,153,166,.42);
  border-radius:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.01em;
  line-height:1.5;
  color:var(--paper-100);
  text-align:left;
  overflow-wrap:anywhere;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.copy-chip::after{
  content:"复制";
  flex:0 0 auto;
  font-family:var(--font-body);
  font-size:10px;
  letter-spacing:.1em;
  color:var(--gray-400);
  transition:color .18s var(--ease);
}
.copy-chip:hover{border-color:var(--volt-400);color:var(--volt-400);background:rgba(182,242,58,.06)}
.copy-chip:hover::after{color:var(--volt-400)}
.copy-chip[data-copied="true"]{border-color:var(--volt-400);border-style:solid;color:var(--volt-400)}
.copy-chip[data-copied="true"]::after{content:"已复制";color:var(--volt-400)}
.footer__note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--gray-400);
}

/* 底栏 */
.footer__bottom{
  margin-top:clamp(28px,4.4vw,54px);
  padding-block:16px 26px;
  border-top:1px solid rgba(140,153,166,.18);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--gray-400);
}
.footer__legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.footer__domain{color:rgba(140,153,166,.72)}

/* ---------- 8. 运行时注入组件 ---------- */
.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  z-index:130;
  pointer-events:none;
  background:rgba(4,13,20,.5);
}
.scroll-progress__bar{
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--volt-400),var(--ember-500) 70%,var(--flare-600));
  transition:transform .08s linear;
}
.copy-toast{
  position:fixed;
  left:50%;
  bottom:28px;
  z-index:200;
  transform:translate(-50%,14px);
  padding:10px 20px;
  border-radius:var(--radius-pill);
  background:var(--volt-400);
  color:var(--ink-950);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.copy-toast[data-show="true"]{opacity:1;transform:translate(-50%,0)}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1180px){
  .nav__link{padding:8px 8px;font-size:13px}
  .nav__status-text{font-size:10px}
}

@media (max-width:1024px){
  :root{--header-offset:96px}
  .nav__status{padding:6px 8px}
  .nav__status-text{display:none}
  .nav__link{font-size:12.5px;padding:7px 7px}
  .nav__idx{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,40px)}
  .footer__brand{grid-column:1 / -1}
  .footer__tagline{max-width:44ch}
}

@media (max-width:900px){
  :root{--header-offset:88px}
  .site-header{top:12px}
  .nav-pill{
    width:min(1120px,94vw);
    border-radius:20px;
    padding:8px 10px;
    gap:10px;
    justify-content:space-between;
  }
  .brand__mark{width:34px;height:34px;flex-basis:34px;font-size:18px}
  .brand__name{font-size:15px}
  .brand__tag{font-size:8.5px;letter-spacing:.18em}
  .nav-toggle{display:inline-flex}
  .nav__status{display:none}
  .nav__cta{display:none}

  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    min-width:0;
    padding:12px;
    border-radius:20px;
    border:1px solid var(--edge);
    background:linear-gradient(180deg,rgba(10,28,43,.985) 0%,rgba(4,13,20,.995) 100%);
    box-shadow:0 34px 70px -34px rgba(0,0,0,.95);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px) scale(.99);
    transform-origin:top center;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .site-header[data-open="true"] .nav{opacity:1;visibility:visible;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav__item{display:block}
  .nav__item--cta{display:block;margin-top:10px}
  .nav__link{
    display:flex;
    width:100%;
    padding:13px 14px;
    border-radius:12px;
    font-size:15px;
  }
  .nav__idx{display:inline;font-size:10px}
  .nav__drawer-cta{width:100%;padding:12px 16px;font-size:14px}

  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__bottom{justify-content:flex-start}
}

@media (max-width:640px){
  :root{--header-offset:84px}
  body{font-size:15.5px}
  .brand__tag{display:none}
  .nav-toggle__label{display:none}
  .nav-toggle{padding:9px 11px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer__wordmark{font-size:20px}
  .footer__bottom{font-size:10.5px;gap:8px}
  .footer__legal{flex-direction:column;align-items:flex-start;gap:4px}
  .breadcrumb__list{font-size:10px}
}

/* ---------- 10. 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .js [data-reveal]{opacity:1!important;transform:none!important}
  .status-dot{animation:none;box-shadow:0 0 0 3px rgba(182,242,58,.18)}
  .btn:hover,.nav__link:hover,.footer__link:hover,.copy-chip:hover{transform:none}
  .scroll-progress__bar{transition:none}
}

@media (forced-colors: active){
  .btn,.nav__link,.copy-chip,.tag{border:1px solid ButtonText}
  .status-dot{background:Highlight}
}