/* =========================================================
   澳客体育赛 · /assets/site.css
   夜间数据驾驶舱 × 编辑部展签 · 共享外壳与基础组件
   ========================================================= */

:root{
  --ink:#071A14;
  --ink-deep:#04120D;
  --panel:#0D2A22;
  --panel-soft:#10231D;
  --cyan:#2EF2C0;
  --glow:#A8FFE6;
  --amber:#FFA23A;
  --paper:#F3EBDD;
  --cream:#E7DDC5;
  --moss:#8FA99B;
  --edge:#2F5D4E;
  --danger:#FF6B5E;
  --text:#CBDDD4;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --shell:1200px;
  --shell-wide:1400px;
  --shadow-hard:6px 6px 0 var(--edge);
  --shadow-deep:6px 6px 0 var(--ink-deep);
  --ease:cubic-bezier(.22,.61,.36,1);
  --stack:16px;
}

/* ---------- 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,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0}
::selection{background:var(--cyan);color:var(--ink)}

/* ---------- 中文排版基线 ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-nav-open{overflow:hidden}
h1,h2,h3,h4{font-weight:900;line-height:1.14;letter-spacing:-.02em;color:var(--paper)}
h1{font-size:clamp(2.1rem,5.4vw,4.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem);letter-spacing:-.01em}
p{max-width:74ch}
strong{font-weight:700;color:var(--paper)}
small{font-size:.8125rem}

a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--glow);
  outline-offset:3px;
}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.muted{color:var(--moss)}
.accent{color:var(--cyan)}
.amber{color:var(--amber)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 容器与栅格 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.shell--wide{max-width:var(--shell-wide)}
#main-content{display:block;scroll-margin-top:32px}

.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--editorial{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--sidebar{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.stack>*+*{margin-top:var(--stack,16px)}

/* ---------- 区块与标题 ---------- */
.section{padding-block:clamp(44px,6vw,84px)}
.section--tight{padding-block:clamp(26px,4vw,44px)}
.section__head{display:grid;gap:12px;margin-bottom:clamp(20px,3vw,36px);max-width:76ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber)}
.section-title{font-size:clamp(1.55rem,3.4vw,2.4rem)}
.lede{color:var(--text);font-size:clamp(15.5px,1.3vw,17.5px);max-width:70ch}
.annot{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--moss);text-transform:uppercase}
.vert-note{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--moss);
}
.rule{height:2px;background:var(--edge);border:0;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:2px solid var(--edge);background:transparent;
  color:var(--paper);font-weight:700;font-size:14px;line-height:1.2;
  letter-spacing:.02em;cursor:pointer;text-align:center;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),
             background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 rgba(46,242,192,.28);border-color:var(--cyan);color:var(--glow)}
.btn:active{transform:translate(0,0);box-shadow:none}
.btn--solid{background:var(--amber);border-color:var(--amber);color:#1B0F00}
.btn--solid:hover{background:#FFB65F;border-color:#FFB65F;color:#1B0F00;box-shadow:4px 4px 0 rgba(255,162,58,.32)}
.btn--ghost{background:rgba(13,42,34,.55);color:var(--paper)}
.btn--sm{padding:7px 13px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-200px;z-index:200;
  padding:10px 18px;background:var(--cyan);color:var(--ink);
  font-weight:700;font-size:14px;border:2px solid var(--ink);
  transition:top .16s var(--ease);
}
.skip-link:focus{top:12px}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{position:relative;z-index:60;background:var(--ink);border-bottom:2px solid var(--edge)}
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  z-index:120;pointer-events:none;
  transition:width .12s linear;
}

/* 第一层：赛季状态条 */
.header-utility{background:var(--ink-deep);border-bottom:1px solid rgba(47,93,78,.75)}
.header-utility__inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:38px;padding-block:6px;
}
.header-utility__line{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--moss);white-space:nowrap;
}
.pulse-dot{
  width:7px;height:7px;flex:none;border-radius:50%;background:var(--cyan);
  animation:ping 1.9s var(--ease) 1 both;
}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(46,242,192,.55)}
  70%{box-shadow:0 0 0 9px rgba(46,242,192,0)}
  100%{box-shadow:0 0 0 0 rgba(46,242,192,0)}
}
.utility-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.utility-meta__item{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--moss);
}
.utility-meta__item+.utility-meta__item{padding-left:18px;border-left:1px solid rgba(47,93,78,.7)}
.meta-key{text-transform:uppercase;color:var(--edge)}
.meta-val{color:var(--cyan);font-size:12.5px}
.utility-meta__item--soft{
  color:var(--moss);font-family:var(--font-sans);letter-spacing:.02em;font-size:12.5px;
}

/* 第二层：品牌 + 导航 + 行动 */
.header-main{background:var(--ink)}
.header-main__inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  grid-template-areas:"brand nav actions";
  align-items:center;
  gap:clamp(14px,2.6vw,36px);
  padding-block:14px;
}
.brand{grid-area:brand;display:inline-flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  position:relative;width:34px;height:34px;flex:none;
  border:2px solid var(--cyan);
  background:linear-gradient(140deg,rgba(46,242,192,.16),rgba(7,26,20,0) 62%);
  transform:rotate(-6deg);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.brand__mark::before{content:"";position:absolute;left:5px;top:5px;width:8px;height:15px;background:var(--amber)}
.brand__mark::after{content:"";position:absolute;right:5px;bottom:5px;width:13px;height:3px;background:var(--cyan)}
.brand:hover .brand__mark{transform:rotate(0deg) translate(-2px,-2px);box-shadow:4px 4px 0 rgba(46,242,192,.25)}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--paper)}
.brand__sub{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--moss);
}
.header-main__actions{
  grid-area:actions;display:flex;align-items:center;gap:10px;justify-self:end;
}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 12px;border:2px solid var(--edge);background:rgba(13,42,34,.6);
  color:var(--paper);cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--glow)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{
  display:block;height:2px;width:100%;background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-header[data-nav-open] .nav-toggle{border-color:var(--cyan);color:var(--cyan);background:rgba(46,242,192,.08)}

.primary-nav{grid-area:nav;justify-self:end;min-width:0}
.primary-nav__list{display:flex;flex-wrap:wrap;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:9px 12px;
  font-size:14.5px;font-weight:600;color:var(--cream);
  border:1px solid transparent;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-link:hover{color:var(--glow);background:rgba(46,242,192,.09);border-color:var(--edge)}
.nav-link[aria-current="page"]{
  color:var(--ink);background:var(--cyan);border-color:var(--cyan);font-weight:700;
}

/* 第三层：横向联赛轴 */
.league-axis{background:var(--panel);border-top:1px solid var(--edge);border-bottom:2px solid var(--edge)}
.league-axis__inner{display:flex;align-items:center;gap:14px;padding-block:9px}
.league-axis__label{
  flex:none;padding-right:14px;border-right:1px solid var(--edge);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--moss);
}
.league-axis__track{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;overflow-y:hidden;
  padding-block:2px;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;scrollbar-color:var(--edge) transparent;
  -webkit-overflow-scrolling:touch;
}
.league-axis__track::-webkit-scrollbar{height:4px}
.league-axis__track::-webkit-scrollbar-track{background:transparent}
.league-axis__track::-webkit-scrollbar-thumb{background:var(--edge)}
.league-chip{
  flex:none;scroll-snap-align:center;
  padding:5px 11px;border:1px solid var(--edge);background:transparent;
  color:var(--moss);font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.1em;cursor:pointer;white-space:nowrap;
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.league-chip:hover{color:var(--glow);border-color:var(--cyan);background:rgba(46,242,192,.08)}
.league-chip[aria-pressed="true"],
.league-chip.is-active{
  background:var(--amber);border-color:var(--amber);color:#1B0F00;font-weight:700;
}

/* =========================================================
   基础组件
   ========================================================= */

/* 面包屑 */
.breadcrumbs{padding-block:16px;color:var(--moss)}
.breadcrumbs__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__item:not(:last-child)::after{content:"/";color:var(--edge);margin-left:2px}
.breadcrumbs__link{color:var(--moss);transition:color .18s var(--ease)}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs__current{color:var(--paper)}

/* 面板与卡片 */
.panel{
  background:var(--panel);border:2px solid var(--edge);
  padding:clamp(16px,2.2vw,26px);
}
.card{
  position:relative;background:var(--panel);border:2px solid var(--edge);
  box-shadow:var(--shadow-hard);padding:clamp(16px,2.2vw,24px);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 rgba(47,93,78,.85);border-color:var(--cyan)}
.card--drop-1{margin-top:0}
.card--drop-2{margin-top:0}
@media (min-width:1024px){
  .card--drop-1{margin-top:18px}
  .card--drop-2{margin-top:36px}
}

/* 数据读数 */
.stat{display:grid;gap:2px}
.stat__value{
  font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(1.5rem,3vw,2.15rem);line-height:1.1;color:var(--cyan);letter-spacing:-.02em;
}
.stat__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--moss);
}

/* 展签标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--edge);background:rgba(7,26,20,.5);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--moss);white-space:nowrap;
}
.tag--cyan{background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700}
.tag--amber{background:var(--amber);border-color:var(--amber);color:#1B0F00;font-weight:700}
.tag--live{color:var(--amber);border-color:var(--amber);background:rgba(255,162,58,.1)}
.tag--warn{color:var(--danger);border-color:var(--danger);background:rgba(255,107,94,.1)}

/* 手风琴 */
.accordion{border:2px solid var(--edge);background:var(--panel)}
.accordion+.accordion{margin-top:-2px}
.accordion__summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:16px 18px;cursor:pointer;font-weight:700;font-size:16px;color:var(--paper);
  list-style:none;transition:background-color .18s var(--ease),color .18s var(--ease);
}
.accordion__summary::-webkit-details-marker{display:none}
.accordion__summary:hover{background:rgba(46,242,192,.07);color:var(--glow)}
.accordion__summary::after{
  content:"+";font-family:var(--font-mono);font-size:18px;line-height:1;
  color:var(--cyan);flex:none;transition:transform .2s var(--ease);
}
.accordion[open]>.accordion__summary::after{transform:rotate(45deg)}
.accordion__body{padding:0 18px 18px;color:var(--text);font-size:15.5px}
.accordion__body>*+*{margin-top:10px}

/* 编号索引 */
.index-list{counter-reset:idxlist}
.index-list__item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:baseline;
  padding-block:12px;border-bottom:1px solid rgba(47,93,78,.6);
}
.index-list__item::before{
  counter-increment:idxlist;content:counter(idxlist,decimal-leading-zero);
  font-family:var(--font-mono);font-size:12px;color:var(--amber);letter-spacing:.08em;
}

/* 图片容器（页面阶段放入 <img>） */
.media{position:relative;margin:0;border:2px solid var(--edge);background:var(--panel);overflow:hidden}
.media__frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden}
.media img,.media svg{width:100%;height:100%;object-fit:cover}
.media--wide .media__frame{aspect-ratio:21/9}
.media--square .media__frame{aspect-ratio:1/1}
.media--tall .media__frame{aspect-ratio:3/4}
.media--pitch .media__frame{
  background-image:
    repeating-linear-gradient(90deg,rgba(46,242,192,.14) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(0deg,rgba(46,242,192,.09) 0 1px,transparent 1px 56px),
    radial-gradient(circle at 50% 50%,rgba(46,242,192,.2),transparent 62%),
    linear-gradient(180deg,#0D2A22,#06170F);
}
.media--stands .media__frame{
  background-image:
    repeating-linear-gradient(112deg,rgba(255,162,58,.16) 0 2px,transparent 2px 11px),
    radial-gradient(ellipse at 72% 18%,rgba(255,162,58,.34),transparent 56%),
    linear-gradient(200deg,#0D2A22,#04120D);
}
.media--dataviz .media__frame{
  background-image:
    linear-gradient(90deg,rgba(46,242,192,.1) 0 1px,transparent 1px 12.5%),
    repeating-linear-gradient(0deg,rgba(168,255,230,.16) 0 1px,transparent 1px 44px),
    linear-gradient(160deg,#0D2A22,#04120D);
}
.media__tag{position:absolute;left:12px;top:12px;z-index:2}
.media__caption{
  margin-top:8px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.1em;color:var(--moss);
}

/* 入场显现（JS 添加 .is-inview） */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-inview{opacity:1;transform:none}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  position:relative;background:var(--ink-deep);
  border-top:2px solid var(--edge);
  color:var(--text);overflow:hidden;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) 1fr 1fr 1.3fr;
  gap:clamp(20px,3vw,44px);
  padding-block:clamp(40px,5.5vw,72px) clamp(26px,3vw,40px);
}
.footer-brand{display:grid;gap:16px;align-content:start}
.brand--footer .brand__name{color:var(--cream)}
.footer-brand__summary{color:var(--moss);font-size:14.5px;max-width:34ch;line-height:1.7}
.footer-actions{display:flex;flex-wrap:wrap;gap:10px}

.footer-col{display:grid;gap:14px;align-content:start}
.footer-col__title{
  font-size:12px;font-family:var(--font-mono);font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--paper);
}
.footer-col__title::before{
  content:"";display:block;width:26px;height:3px;background:var(--amber);
  margin-bottom:10px;
}
.footer-col__list{display:grid;gap:9px}
.footer-link{
  display:inline-block;font-size:14.5px;color:var(--moss);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.footer-link:hover{color:var(--cyan);border-bottom-color:var(--cyan);transform:translateX(2px)}
.footer-col--contact .footer-col__list{gap:10px}
.footer-address{font-size:13.5px;color:var(--moss);line-height:1.6}
.footer-note{font-size:12.5px;color:var(--edge);line-height:1.7;max-width:36ch;margin-top:4px}
.link-copy{
  display:inline-block;text-align:left;cursor:pointer;
  font-size:14px;color:var(--cream);
  border-bottom:1px dashed var(--edge);padding-bottom:1px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
  word-break:break-all;
}
.link-copy--num{font-size:15px;letter-spacing:.04em}
.link-copy:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.link-copy[data-copied="true"]{color:var(--glow);border-bottom-color:var(--cyan)}
.copy-status{
  min-height:18px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.08em;color:var(--cyan);
}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-block:18px;border-top:1px dashed rgba(47,93,78,.8);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--edge);
}
.footer-legal__copy{margin:0;max-width:none}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__links .footer-link{font-size:11.5px;letter-spacing:.08em}
.footer-legal__icp{color:var(--edge);margin:0}

.footer-wordmark{
  margin:0;padding-inline:clamp(16px,4vw,40px);
  font-family:var(--font-sans);font-weight:900;
  font-size:clamp(2.4rem,11vw,9rem);line-height:.86;letter-spacing:-.03em;
  white-space:nowrap;overflow:hidden;
  color:transparent;-webkit-text-stroke:1px rgba(47,93,78,.85);
  transform:translateY(14%);
  user-select:none;pointer-events:none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1120px){
  .nav-link{padding:9px 9px;font-size:13.5px}
  .utility-meta__item--soft{display:none}
  .footer-top{grid-template-columns:minmax(220px,1.4fr) 1fr 1fr}
  .footer-col--contact{grid-column:1 / -1}
}

@media (max-width:900px){
  .header-main__inner{
    grid-template-columns:1fr auto;
    grid-template-areas:"brand actions" "nav nav";
    gap:12px;padding-block:12px;
  }
  .nav-toggle{display:inline-flex}
  .primary-nav{
    display:none;grid-area:nav;justify-self:stretch;width:100%;
  }
  .primary-nav[data-open]{display:block}
  .primary-nav__list{
    flex-direction:column;align-items:stretch;gap:6px;
    padding-top:12px;margin-top:4px;border-top:1px dashed var(--edge);
  }
  .nav-link{display:block;padding:13px 14px;font-size:16px;border:1px solid var(--edge)}
  .nav-link[aria-current="page"]{border-color:var(--cyan)}
  .league-axis__label{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .footer-col--contact{grid-column:1 / -1}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9{grid-column:span 12}
  .grid--sidebar{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:620px){
  .header-main__cta{display:none}
  .utility-meta__item:nth-child(2){display:none}
  .header-utility__line{font-size:10.5px;letter-spacing:.1em}
  .brand__mark{width:30px;height:30px}
  .brand__name{font-size:17px}
  .footer-top{grid-template-columns:1fr}
  .footer-legal__links{gap:12px}
  .footer-wordmark{font-size:clamp(1.9rem,13vw,3.4rem)}
  h1{font-size:clamp(1.8rem,7.6vw,2.6rem)}
}

/* =========================================================
   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;scroll-behavior:auto!important;
  }
  [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
  .btn:hover,.card:hover,.footer-link:hover{transform:none}
}