/* ============================================================
   开运体育官网 /assets/site.css
   夜场墨绿 + 荧光青 + 琥珀金 · 侧边导览式横向层级
   ============================================================ */

/* ---------- 01 变量 ---------- */
:root{
  --night:#0B2A22;
  --grass:#123C31;
  --cyan:#35F0C8;
  --mist:#CFF6EA;
  --mist-soft:rgba(207,246,234,.62);
  --amber:#F0B429;
  --paper:#F4EFE4;
  --paper-line:#D9D2C4;
  --gray:#6E8C84;
  --ink:#0A0F0D;
  --red:#E2564B;

  --font-head:"Archivo Narrow","Arial Narrow",system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --gap:28px;
  --gutter:clamp(18px,5vw,72px);
  --max:1440px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --line-dark:rgba(207,246,234,.16);
  --line-light:rgba(10,15,13,.14);
  --masthead-h:96px;
}

/* ---------- 02 reset ---------- */
*,
*::before,
*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,li,figure,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}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;line-height:1.05;letter-spacing:-.01em}
strong,b{font-weight:800}
::selection{background:var(--cyan);color:var(--night)}
#main-content{display:block}
#main-content,
.section[id],
h1[id],h2[id],h3[id]{scroll-margin-top:clamp(96px,14vh,150px)}

/* ---------- 03 焦点 ---------- */
:focus-visible{outline:3px solid var(--night);outline-offset:2px;border-radius:2px}
.masthead :focus-visible,
.footer :focus-visible,
.section--ink :focus-visible,
.section--grass :focus-visible{outline-color:var(--cyan)}

/* ---------- 04 布局 ---------- */
.container{
  width:min(100% - (var(--gutter) * 2),var(--max));
  margin-inline:auto;
}
.section{position:relative;padding:clamp(56px,8vw,118px) 0}
.section--paper{background:var(--paper);color:var(--ink)}
.section--ink{
  background-color:var(--night);
  background-image:radial-gradient(120% 92% at 82% -12%,rgba(53,240,200,.16),transparent 58%);
  color:var(--mist);
}
.section--grass{
  background-color:var(--grass);
  background-image:repeating-linear-gradient(90deg,rgba(53,240,200,.055) 0 2px,transparent 2px 14px);
  color:var(--mist);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.split-3-9{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:var(--gap)}
.split-5-7{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--gap)}
.section__head{max-width:72ch}
.section__eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-size:12px;font-weight:800;
  letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);
}
.section__eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);flex:none}
.section__title{margin-top:12px;font-size:clamp(26px,4.2vw,56px);letter-spacing:-.015em}
.section--ink .section__title,
.section--grass .section__title{color:var(--paper)}
.section__lead{margin-top:16px;max-width:62ch;font-size:17px;color:var(--gray)}
.section--ink .section__lead,
.section--grass .section__lead{color:var(--mist-soft)}
.rule{height:1px;border:0;background:var(--line-light)}
.rule--dark{background:var(--line-dark)}

/* ---------- 05 侧边轨道 ---------- */
.rail{position:relative;padding-left:20px;border-left:1px solid var(--line-light)}
.section--ink .rail,
.section--grass .rail{border-left-color:var(--line-dark)}
.rail__title{
  font-family:var(--font-head);font-size:12px;font-weight:800;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gray);
}
.section--ink .rail__title,
.section--grass .rail__title{color:var(--cyan)}
.rail__list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.rail__link{position:relative;display:block;font-size:14px;color:var(--gray);transition:color .16s var(--ease)}
.section--ink .rail__link,
.section--grass .rail__link{color:var(--mist-soft)}
.rail__link::before{
  content:"";position:absolute;left:-21px;top:.72em;width:10px;height:1px;
  background:var(--cyan);opacity:0;transition:opacity .16s var(--ease),width .16s var(--ease);
}
.rail__link:hover{color:var(--cyan)}
.rail__link.is-active{color:var(--cyan);font-weight:700}
.rail__link.is-active::before{opacity:1;width:14px}
.rail__meta{margin-top:18px;font-size:13px;line-height:1.6;color:var(--gray)}

/* ---------- 06 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-head);font-size:14px;font-weight:800;letter-spacing:.04em;
  padding:12px 20px;border:1px solid transparent;border-radius:2px;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--cyan{background:var(--cyan);border-color:var(--cyan);color:var(--night)}
.btn--cyan:hover,.btn--cyan:focus-visible{background:transparent;color:var(--cyan)}
.btn--amber{background:var(--amber);border-color:var(--amber);color:var(--night)}
.btn--amber:hover,.btn--amber:focus-visible{background:transparent;color:var(--amber)}
.btn--ghost{background:transparent;border-color:currentColor;color:var(--mist)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--cyan);color:var(--cyan)}
.btn--dark{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--dark:hover,.btn--dark:focus-visible{background:var(--ink);color:var(--paper)}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--block{width:100%}

/* ---------- 07 面包屑 · 正文 · 注释 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--gray)}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs__item{display:flex;align-items:center;gap:8px}
.crumbs__item + .crumbs__item::before{content:"/";font-family:var(--font-mono);color:var(--paper-line)}
.crumbs__link{transition:color .16s var(--ease)}
.crumbs__link:hover{color:var(--cyan)}
.crumbs__current{color:var(--ink);font-weight:700}
.section--ink .crumbs,
.section--grass .crumbs{color:var(--mist-soft)}
.section--ink .crumbs__current,
.section--grass .crumbs__current{color:var(--paper)}

.prose{max-width:68ch}
.prose p{margin-bottom:1.1em;line-height:1.7}
.prose h2{margin:1.6em 0 .6em;font-size:clamp(22px,2.4vw,32px)}
.prose h3{margin:1.4em 0 .5em;font-size:20px}
.prose li{position:relative;padding-left:18px;margin-bottom:.5em}
.prose li::before{content:"";position:absolute;left:0;top:.74em;width:10px;height:1px;background:var(--cyan)}
.prose a{border-bottom:1px solid var(--paper-line);transition:border-color .16s var(--ease)}
.prose a:hover{border-color:var(--grass)}
.prose--dark{color:var(--mist)}
.prose--dark h2,.prose--dark h3{color:var(--paper)}
.prose--dark a{border-bottom-color:rgba(53,240,200,.5)}
.prose--dark a:hover{border-color:var(--cyan)}

.note{
  margin-top:18px;padding-top:10px;border-top:1px solid var(--line-light);
  font-size:13px;line-height:1.6;color:var(--gray);
}
.section--ink .note,
.section--grass .note,
.footer .note{border-top-color:var(--line-dark);color:var(--mist-soft)}

/* ---------- 08 数值 · 标注 · 数据点 ---------- */
.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.data-num--xl{display:block;font-size:clamp(46px,9vw,88px);line-height:.88;font-weight:600}
.data-num--amber{color:var(--amber)}
.data-num--cyan{color:var(--cyan)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3.4vw,44px);line-height:1;color:var(--cyan);
}
.section--paper .stat__value{color:var(--grass)}
.stat__label{font-size:13px;letter-spacing:.1em;color:var(--gray)}
.section--ink .stat__label,
.section--grass .stat__label{color:var(--mist-soft)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-head);font-size:12px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;line-height:1.4;padding:3px 9px;border:1px solid currentColor;border-radius:2px;
}
.tag--cyan{color:var(--cyan)}
.tag--amber{color:var(--amber)}
.tag--red{color:var(--red)}
.tag--paper{color:var(--grass)}

/* ---------- 09 时间轴 / 更新日志 ---------- */
.ledger{display:flex;flex-direction:column}
.ledger__row{
  display:grid;grid-template-columns:74px minmax(0,1fr) auto;align-items:center;gap:16px;
  padding:16px 14px;border-bottom:1px solid var(--line-dark);
  transition:background-color .16s var(--ease),border-color .16s var(--ease);
}
.ledger__row:hover{background-color:rgba(53,240,200,.07)}
.ledger__time{font-family:var(--font-mono);font-size:14px;color:var(--cyan);font-variant-numeric:tabular-nums}
.ledger__team{font-family:var(--font-head);font-size:18px;letter-spacing:.01em;color:var(--mist)}
.ledger__score{
  font-family:var(--font-mono);font-size:24px;color:var(--paper);
  font-variant-numeric:tabular-nums;text-align:right;
}
.ledger__marks{display:flex;gap:6px;justify-self:end;align-items:center}
.ledger--paper .ledger__row{border-bottom-color:var(--line-light)}
.ledger--paper .ledger__row:hover{background-color:rgba(11,42,34,.05)}
.ledger--paper .ledger__time{color:var(--grass)}
.ledger--paper .ledger__team{color:var(--ink)}
.ledger--paper .ledger__score{color:var(--ink)}
.mark{display:inline-block;width:10px;height:14px;border-radius:1px;background:var(--mist-soft)}
.mark--goal{background:var(--amber)}
.mark--yellow{background:rgba(240,180,41,.55);border:1px solid var(--amber)}
.mark--red{background:var(--red)}

/* ---------- 10 六区间条 ---------- */
.segments{display:flex;align-items:flex-end;gap:6px;height:72px}
.segment{
  position:relative;flex:1;height:100%;display:flex;align-items:flex-end;
  padding:0;background:transparent;transition:opacity .16s var(--ease);
}
.segment__bar{
  display:block;width:100%;height:var(--h,40%);
  background:linear-gradient(180deg,rgba(53,240,200,.9),rgba(53,240,200,.22));
  border-radius:1px;
  transition:height .24s var(--ease),background-color .16s var(--ease),background .16s var(--ease);
}
.segment:hover .segment__bar{background:var(--cyan)}
.segment.is-active .segment__bar{background:linear-gradient(180deg,rgba(240,180,41,.95),rgba(240,180,41,.3))}
.segment__label{
  position:absolute;left:0;right:0;bottom:-22px;text-align:center;
  font-family:var(--font-mono);font-size:12px;color:var(--mist-soft);
}
.segments--paper .segment__bar{background:linear-gradient(180deg,rgba(18,60,49,.85),rgba(18,60,49,.2))}
.segments--paper .segment:hover .segment__bar{background:var(--grass)}
.segments--paper .segment.is-active .segment__bar{background:linear-gradient(180deg,rgba(240,180,41,.95),rgba(240,180,41,.3))}
.segments--paper .segment__label{color:var(--gray)}

/* ---------- 11 图片容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;border-radius:2px;
  background-color:var(--grass);
  background-image:radial-gradient(120% 100% at 18% 0%,rgba(53,240,200,.22),transparent 58%),
                   repeating-linear-gradient(90deg,rgba(53,240,200,.06) 0 2px,transparent 2px 14px);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--band{aspect-ratio:32/9}
.media-frame__caption{margin-top:8px;font-size:13px;color:var(--gray)}
.section--ink .media-frame__caption,
.section--grass .media-frame__caption{color:var(--mist-soft)}

/* ---------- 12 刊头 ---------- */
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:200;
  padding:10px 16px;background:var(--amber);color:var(--ink);
  font-family:var(--font-head);font-weight:800;border-radius:2px;
  transition:top .16s var(--ease);
}
.skip-link:focus{top:16px}

.masthead{
  position:sticky;top:0;z-index:60;
  background:var(--night);color:var(--mist);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow .16s var(--ease);
}
.masthead[data-scrolled="true"]{box-shadow:0 14px 32px rgba(10,15,13,.42)}
.masthead__inner{padding-top:18px;transition:padding-top .16s var(--ease)}
.masthead[data-scrolled="true"] .masthead__inner{padding-top:8px}
.masthead__top{
  display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;gap:16px;
}
.masthead__meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.masthead__meta-item{white-space:nowrap}
.masthead__meta-item--dim{color:var(--mist-soft)}
.masthead__brand{display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center}
.masthead__wordmark{
  font-family:var(--font-head);font-weight:800;line-height:1;
  font-size:clamp(22px,3.1vw,40px);letter-spacing:.18em;color:var(--paper);
  transition:font-size .16s var(--ease),letter-spacing .16s var(--ease);
}
.masthead__brand-cn{
  font-size:12px;letter-spacing:.42em;color:var(--cyan);
  transition:font-size .16s var(--ease),letter-spacing .16s var(--ease);
}
.masthead[data-scrolled="true"] .masthead__wordmark{font-size:clamp(17px,2vw,24px);letter-spacing:.14em}
.masthead[data-scrolled="true"] .masthead__brand-cn{font-size:11px;letter-spacing:.3em}
.masthead__actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}

/* ---------- 13 导航 ---------- */
.nav{margin-top:14px;border-top:1px solid var(--line-dark);transition:margin-top .16s var(--ease)}
.masthead[data-scrolled="true"] .nav{margin-top:8px}
.nav__list{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(12px,2.4vw,36px)}
.nav__item{display:block}
.nav__link{
  position:relative;display:inline-block;padding:15px 2px;
  font-size:14px;letter-spacing:.08em;color:var(--mist);
  transition:color .16s var(--ease),padding .16s var(--ease);
}
.masthead[data-scrolled="true"] .nav__link{padding:11px 2px}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:9px;height:2px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease),bottom .16s var(--ease);
}
.masthead[data-scrolled="true"] .nav__link::after{bottom:6px}
.nav__link:hover{color:var(--cyan)}
.nav__link:hover::after,
.nav__link:focus-visible::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--cyan);font-weight:700}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}

.nav__toggle{
  display:none;align-items:center;gap:10px;padding:9px 12px;
  border:1px solid var(--line-dark);border-radius:2px;color:var(--mist);
  font-family:var(--font-head);font-size:13px;font-weight:800;letter-spacing:.14em;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.nav__toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav__toggle-bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav__toggle-bar{display:block;height:2px;width:100%;background:currentColor;transition:transform .16s var(--ease),opacity .16s var(--ease)}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav__toggle-text{font-size:13px}

.masthead__progress{height:2px;background:rgba(207,246,234,.12)}
.masthead__progress-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:width .12s linear;
}

/* ---------- 14 页脚 ---------- */
.footer{
  position:relative;
  background-color:var(--night);
  background-image:radial-gradient(100% 70% at 12% 0%,rgba(53,240,200,.12),transparent 60%);
  color:var(--mist);
  border-top:1px solid rgba(53,240,200,.22);
  padding:clamp(48px,6vw,88px) 0 30px;
}
.footer__inner{display:flex;flex-direction:column;gap:clamp(28px,4vw,48px)}
.footer__top{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:var(--gap)}
.footer__brand{display:flex;flex-direction:column;gap:8px}
.footer__wordmark{
  font-family:var(--font-head);font-weight:800;font-size:26px;
  letter-spacing:.2em;color:var(--paper);line-height:1;
}
.footer__brand-cn{font-size:13px;letter-spacing:.34em;color:var(--cyan)}
.footer__tag{max-width:30ch;font-size:14px;line-height:1.6;color:var(--mist-soft)}
.footer__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--gap)}
.footer__col{display:flex;flex-direction:column}
.footer__col-title{
  margin-bottom:14px;font-family:var(--font-head);font-size:12px;font-weight:800;
  letter-spacing:.24em;text-transform:uppercase;color:var(--cyan);
}
.footer__list{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer__item{color:var(--mist);line-height:1.6}
.footer__link{
  position:relative;display:inline-block;color:var(--mist);
  transition:color .16s var(--ease);
}
.footer__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.footer__link:hover{color:var(--cyan)}
.footer__link:hover::after,
.footer__link:focus-visible::after{transform:scaleX(1)}
.footer__mono{font-family:var(--font-mono);font-size:13px;color:var(--paper);word-break:break-all}
.footer__note{margin-top:14px;font-size:13px;line-height:1.65;color:var(--mist-soft)}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--mist-soft);
}
.footer__legal,
.footer__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.footer__meta-item{color:var(--mist-soft)}

/* ---------- 15 回到顶部 ---------- */
.to-top{
  position:fixed;right:clamp(16px,3vw,34px);bottom:clamp(16px,3vw,34px);z-index:70;
  width:46px;height:46px;display:grid;place-items:center;border-radius:50%;
  background:var(--cyan);color:var(--night);border:1px solid var(--cyan);
  font-family:var(--font-head);font-size:18px;font-weight:800;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--night);color:var(--cyan)}

/* ---------- 16 显现与视图切换 ---------- */
[data-reveal]{transition:opacity .34s var(--ease),transform .34s var(--ease)}
html[data-enhanced="true"] [data-reveal]:not(.is-revealed){opacity:0;transform:translateY(14px)}
[data-view-panel]{display:none}
[data-view-panel].is-active{display:block}

/* ---------- 17 平板 ---------- */
@media (max-width:1100px){
  :root{--gap:22px}
  .masthead__meta{font-size:11px;gap:10px;letter-spacing:.1em}
  .footer__top{grid-template-columns:1fr}
  .footer__tag{max-width:52ch}
}

/* ---------- 18 手机 / 平板导航 ---------- */
@media (max-width:900px){
  :root{--gap:18px}
  .masthead__inner{padding-top:12px}
  .masthead__top{grid-template-columns:minmax(0,1fr) auto;gap:12px}
  .masthead__meta{display:none}
  .masthead__brand{align-items:flex-start;text-align:left}
  .masthead__wordmark{letter-spacing:.14em}
  .masthead__brand-cn{letter-spacing:.26em}
  .masthead__actions{gap:8px}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    margin:0;border-top:1px solid var(--line-dark);
    background:var(--night);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-6px);
    box-shadow:0 22px 44px rgba(10,15,13,.5);
    transition:opacity .16s var(--ease),transform .16s var(--ease),max-height .24s var(--ease),visibility .16s var(--ease);
  }
  .nav[data-open="true"]{
    max-height:min(72vh,520px);overflow:auto;
    opacity:1;visibility:visible;transform:none;
  }
  .nav__list{flex-direction:column;justify-content:flex-start;gap:0;flex-wrap:nowrap;padding:6px 0 14px}
  .nav__item{border-bottom:1px solid var(--line-dark)}
  .nav__item:last-child{border-bottom:0}
  .nav__link{display:block;width:100%;padding:15px var(--gutter);font-size:16px}
  .masthead[data-scrolled="true"] .nav__link{padding:15px var(--gutter)}
  .nav__link::after,
  .masthead[data-scrolled="true"] .nav__link::after{left:var(--gutter);right:auto;bottom:10px;width:38px}
  .nav__toggle{display:inline-flex}
  .split-3-9,
  .split-5-7{grid-template-columns:1fr}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

/* ---------- 19 小屏 ---------- */
@media (max-width:600px){
  body{font-size:16px}
  .nav__toggle-text{display:none}
  .nav__toggle{padding:9px 10px}
  .masthead__actions .btn--sm{padding:8px 10px;font-size:12px}
  .ledger__row{grid-template-columns:64px minmax(0,1fr) auto;gap:10px;padding:14px 8px}
  .ledger__team{font-size:16px}
  .ledger__score{font-size:20px}
  .segments{height:58px}
  .media-frame--band{aspect-ratio:16/9}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .to-top{width:42px;height:42px}
}

/* ---------- 20 降低动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  html[data-enhanced="true"] [data-reveal]:not(.is-revealed){opacity:1;transform:none}
  .nav__link::after,
  .footer__link::after{transition:none}
}