/* ==========================================================================
   爱体育CN · 共享样式表 /assets/site.css
   视觉母题：深夜赛场指挥中心 —— 深墨蓝底、精密网格、荧光青数据、信号橙指令
   ========================================================================== */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dt,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
main{display:block}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:var(--cyan);color:#04121a}

/* ---------- 2. 设计令牌 ---------- */
:root{
  --bg:#060B18;
  --panel:#0C1526;
  --grid:#152238;
  --line:#1F3A5C;
  --cyan:#2BE8D2;
  --cyan-soft:#8CF6EA;
  --orange:#FF7A2F;
  --gold:#FFC46B;
  --text:#C9D6E4;
  --title:#F2F7FC;
  --muted:#6B7F99;

  --font-mono:ui-monospace,"DIN Alternate","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --shell:1360px;
  --gut:24px;
  --head-gap:128px;
  --t-fast:.18s ease;
  --t-med:.42s cubic-bezier(.2,.7,.3,1);
  --header-h:66px;
}

/* ---------- 3. 基底 ---------- */
body{
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 420px at 8% -8%, rgba(43,232,210,.07), transparent 70%),
    radial-gradient(700px 380px at 96% 4%, rgba(255,122,47,.05), transparent 72%),
    repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 96px);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-head);
  font-weight:900;
  line-height:1.12;
  letter-spacing:-.03em;
  color:var(--title);
}
h1{font-size:clamp(1.9rem,4.4vw,3rem)}
h2{font-size:clamp(1.4rem,2.6vw,2rem)}
h3{font-size:clamp(1.1rem,1.8vw,1.35rem)}
p{max-width:38em}
strong{color:var(--title)}

.num,.stat__num,.data-row__val,.data-row__rank{
  font-family:var(--font-mono);
  font-weight:700;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.num--glow{
  -webkit-text-stroke:.6px var(--cyan);
  text-shadow:0 0 14px rgba(43,232,210,.35);
  color:var(--title);
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}
.rule{height:1px;background:var(--grid);border:0;margin:0}

/* ---------- 4. 布局骨架 ---------- */
.shell{
  width:min(var(--shell),100% - (var(--gut) * 2));
  margin-inline:auto;
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px 24px}
.col-main{grid-column:1 / span 8;min-width:0}
.col-rail{grid-column:9 / span 4;min-width:0}
.stack{display:flex;flex-direction:column;gap:22px}
.stack--tight{gap:12px}
.stack--loose{gap:44px}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:11px 18px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--title);
  font-size:14.5px;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:border-color var(--t-fast),color var(--t-fast),background-color var(--t-fast);
}
.btn:hover{border-color:var(--cyan);color:var(--cyan-soft)}
.btn--signal{
  border-color:var(--orange);
  color:var(--orange);
  background:rgba(255,122,47,.09);
}
.btn--signal:hover{background:var(--orange);color:#08111f;border-color:var(--orange)}
.btn--ghost{color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan-soft);background:rgba(43,232,210,.06)}
.btn--sm{padding:8px 13px;font-size:13.5px}
.btn--block{display:flex;width:100%}

/* ---------- 6. 页头 ---------- */
.skip-link{
  position:absolute;
  left:12px;
  top:-64px;
  z-index:120;
  padding:10px 16px;
  background:var(--panel);
  border:1px solid var(--cyan);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  transition:top var(--t-fast);
}
.skip-link:focus{top:10px}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,11,24,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.site-header__bar{
  background:linear-gradient(90deg,rgba(12,21,38,.9),rgba(6,11,24,.6) 60%,rgba(12,21,38,.9));
  border-bottom:1px solid var(--grid);
}
.site-header__inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand__mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border:1px solid var(--cyan);
  color:var(--cyan);
  font-family:var(--font-head);
  font-size:17px;
  font-weight:900;
  line-height:1;
  background:rgba(43,232,210,.06);
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;
  font-family:var(--font-head);
  font-size:18px;
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.15;
  color:var(--title);
}
.brand__tagline{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  line-height:1.4;
  color:var(--muted);
}
.brand--footer{align-items:flex-start}

.statusline{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:22px;
  min-width:0;
  overflow:hidden;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--muted);
  white-space:nowrap;
}
.statusline__tick{display:inline-flex;align-items:center;gap:7px}
.statusline__tick--live{color:var(--cyan)}
.statusline__tick--gold{color:var(--gold)}
.statusline__dot{
  width:6px;
  height:6px;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(43,232,210,.8);
  animation:pulse 2.2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.28}}

.site-header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  color:var(--title);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
}
.nav-toggle__bars{display:flex;flex-direction:column;justify-content:center;gap:4px;width:18px}
.nav-toggle__bar{display:block;width:18px;height:2px;background:var(--cyan);transition:transform var(--t-fast),opacity var(--t-fast)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.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{line-height:1}

.site-nav{display:block;background:rgba(12,21,38,.55)}
.site-nav__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:50px;
}
.site-nav__key{
  flex:0 0 auto;
  padding-right:18px;
  border-right:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--muted);
}
.nav-index{display:flex;flex-wrap:wrap;gap:2px;flex:1 1 auto;min-width:0}
.nav-index__item{display:block}
.nav-index__link{
  display:inline-flex;
  align-items:baseline;
  gap:9px;
  padding:9px 15px;
  border-bottom:2px solid transparent;
  font-size:15px;
  color:var(--text);
  transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast);
}
.nav-index__num{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--muted);
  transition:color var(--t-fast);
}
.nav-index__link:hover{color:var(--cyan-soft);border-bottom-color:var(--line);background:rgba(43,232,210,.05)}
.nav-index__link:hover .nav-index__num{color:var(--cyan-soft)}
.nav-index__link[aria-current="page"]{color:var(--title);border-bottom-color:var(--cyan);background:rgba(43,232,210,.07)}
.nav-index__link[aria-current="page"] .nav-index__num{color:var(--cyan)}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:var(--grid);
}
.scroll-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-soft) 62%,var(--orange));
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg) 0%,var(--panel) 42%,var(--bg) 100%);
}
.site-footer__coast{
  height:2px;
  background:linear-gradient(90deg,transparent,var(--gold) 28%,rgba(255,196,107,.25) 70%,transparent);
}
.site-footer__inner{padding-bottom:26px}
.site-footer__top{
  display:grid;
  grid-template-columns:1.7fr repeat(4,minmax(0,1fr));
  gap:38px 28px;
  padding:56px 0 46px;
}
.site-footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.site-footer__closing{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  line-height:1.8;
  color:var(--muted);
  max-width:26em;
}
.foot-col__title{
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--cyan);
}
.foot-col__list{display:flex;flex-direction:column;gap:9px}
.foot-col__link,.foot-col__text{
  display:inline-block;
  font-size:14.5px;
  line-height:1.5;
  color:var(--text);
}
.foot-col__text{color:var(--muted)}
.foot-col__link{border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast)}
.foot-col__link:hover{color:var(--cyan);border-bottom-color:var(--line)}

.contact-lines{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--grid);
  border-bottom:1px solid var(--grid);
}
.contact-lines__item{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:20px 22px;
  border-left:1px solid var(--grid);
  min-width:0;
}
.contact-lines__item:first-child{border-left:0;padding-left:0}
.contact-lines__key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}
.contact-lines__val{
  font-size:14.5px;
  color:var(--title);
  word-break:break-word;
}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 26px;
  padding-top:22px;
}
.site-footer__legal{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  max-width:none;
}
.site-footer__copy{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  max-width:none;
}
.foot-legal-links{display:flex;flex-wrap:wrap;gap:18px}
.foot-legal-links .foot-col__link{font-size:13.5px;color:var(--muted)}
.foot-legal-links .foot-col__link:hover{color:var(--cyan)}

.to-top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:75;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 15px;
  background:rgba(12,21,38,.95);
  border:1px solid var(--line);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t-fast),visibility var(--t-fast),border-color var(--t-fast);
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--cyan);color:var(--cyan-soft)}
.to-top__mark{font-size:14px;line-height:1}

/* ---------- 8. 通用组件 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:18px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.breadcrumb__link{transition:color var(--t-fast)}
.breadcrumb__link:hover{color:var(--cyan)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__here{color:var(--text)}

.prose{max-width:62ch}
.prose > * + *{margin-top:1.05em}
.prose p,.prose li{font-size:16.5px;line-height:1.78;color:var(--text);max-width:38em}
.prose h2{margin-top:2.1em;font-size:clamp(1.3rem,2.4vw,1.85rem)}
.prose h3{margin-top:1.7em;color:var(--cyan-soft)}
.prose ul{display:flex;flex-direction:column;gap:.55em}
.prose li{padding-left:1.1em;position:relative}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:7px;
  height:1px;
  background:var(--cyan);
}
.prose a{border-bottom:1px solid var(--line);transition:color var(--t-fast),border-color var(--t-fast)}
.prose a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px 20px;
  padding-bottom:16px;
  margin-bottom:28px;
  border-bottom:1px solid var(--grid);
}
.sec-head__num{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--cyan);
}
.sec-head__title{margin:0}
.sec-head__note{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
  max-width:32em;
}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  padding:22px;
}
.panel__head{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:16px;
  border-bottom:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.panel__body{font-size:15.5px;line-height:1.75}

.data-list{display:flex;flex-direction:column}
.data-row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  align-items:center;
  gap:16px;
  padding:14px 16px;
  border-bottom:1px solid var(--grid);
  border-left:2px solid transparent;
  transition:border-color var(--t-fast),background-color var(--t-fast);
}
.data-row:hover{border-left-color:var(--cyan);background:rgba(43,232,210,.06)}
.data-row__rank{
  font-size:1.35rem;
  color:var(--muted);
}
.data-row:hover .data-row__rank{color:var(--cyan)}
.data-row__name{font-size:16px;color:var(--title);min-width:0;overflow-wrap:anywhere}
.data-row__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted)}
.data-row__val{font-size:1.5rem;color:var(--title);text-align:right}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{
  font-size:clamp(2.2rem,6vw,4.6rem);
  line-height:1;
  color:var(--title);
}
.stat__label{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--muted);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 10px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--text);
}
.tag--live{border-color:var(--cyan);color:var(--cyan)}
.tag--signal{border-color:var(--orange);color:var(--orange)}

.index-rail{
  position:sticky;
  top:calc(var(--header-h) + 96px);
  padding-left:0;
}
.index-rail__title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--muted);
}
.index-rail__list{display:flex;flex-direction:column}
.index-rail__link{
  display:block;
  padding:9px 0 9px 15px;
  border-left:1px solid var(--grid);
  font-size:14.5px;
  color:var(--muted);
  transition:color var(--t-fast),border-color var(--t-fast);
}
.index-rail__link:hover{color:var(--cyan-soft);border-left-color:var(--line)}
.index-rail__link.is-active{color:var(--cyan);border-left-color:var(--cyan)}

.figure{
  position:relative;
  display:block;
  margin:0;
  background:var(--panel);
  border:1px solid var(--line);
  overflow:hidden;
}
.figure__media{
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
  background:
    linear-gradient(135deg,#0C1526 0%,#152238 55%,#0C1526 100%);
  border:0;
}
.figure__media--plain{object-fit:cover}
.figure__label{
  position:absolute;
  left:14px;
  bottom:12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.figure__caption{
  display:block;
  padding:12px 2px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  line-height:1.7;
  color:var(--muted);
}
.figure--wide .figure__media{aspect-ratio:21 / 9}
.figure--tall .figure__media{aspect-ratio:4 / 5}

.drawer{
  position:fixed;
  inset:0;
  z-index:95;
  display:none;
}
.drawer[data-open]{display:block}
.drawer__scrim{
  position:absolute;
  inset:0;
  background:rgba(3,7,15,.72);
}
.drawer__panel{
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  width:min(430px,92vw);
  padding:26px 22px;
  overflow-y:auto;
  background:var(--panel);
  border-left:1px solid var(--line);
  animation:drawer-in var(--t-med) both;
}
@keyframes drawer-in{from{transform:translateX(22px);opacity:.4}to{transform:none;opacity:1}}
.drawer__close{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--text);
}
.drawer__close:hover{border-color:var(--cyan);color:var(--cyan)}

.league-dock{
  position:fixed;
  right:20px;
  bottom:76px;
  z-index:70;
  display:flex;
  align-items:center;
  gap:0;
  max-width:min(560px,calc(100vw - 40px));
  background:rgba(12,21,38,.95);
  border:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.league-dock::-webkit-scrollbar{display:none}
.league-dock__list{display:flex;align-items:stretch}
.league-dock__item{
  padding:11px 15px;
  border-right:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--t-fast),background-color var(--t-fast);
}
.league-dock__item:last-child{border-right:0}
.league-dock__item:hover{color:var(--cyan-soft)}
.league-dock__item[aria-pressed="true"]{color:var(--cyan);background:rgba(43,232,210,.09)}

/* ---------- 9. 入场与状态 ---------- */
html.js [data-reveal]{opacity:0;transform:translateY(10px)}
html.js [data-reveal].is-in{
  opacity:1;
  transform:none;
  transition:opacity .5s ease,transform .5s ease;
}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1180px){
  .statusline{gap:16px;font-size:11.5px}
  .site-footer__top{grid-template-columns:1.5fr repeat(4,minmax(0,1fr));gap:34px 22px}
  .col-main{grid-column:1 / span 7}
  .col-rail{grid-column:8 / span 5}
}
@media (max-width:1024px){
  .statusline{display:none}
  .site-footer__top{grid-template-columns:repeat(3,minmax(0,1fr))}
  .site-footer__brand{grid-column:1 / -1}
  .contact-lines{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-lines__item:nth-child(odd){border-left:0;padding-left:0}
  .contact-lines__item:nth-child(n+3){border-top:1px solid var(--grid)}
  .index-rail{position:static;top:auto}
}
@media (max-width:900px){
  :root{--gut:20px}
  .grid-12{grid-template-columns:1fr}
  .col-main,.col-rail{grid-column:1 / -1}
  .site-nav{display:none}
  .site-nav[data-open]{display:block}
  .site-nav__inner{flex-direction:column;align-items:stretch;gap:0;padding:6px 0 16px}
  .site-nav__key{display:none}
  .nav-index{flex-direction:column;gap:0;flex:1 1 auto}
  .nav-index__link{
    width:100%;
    padding:14px 0;
    border-bottom:1px solid var(--grid);
    border-left:2px solid transparent;
    justify-content:flex-start;
  }
  .nav-index__link:hover{border-bottom-color:var(--grid);border-left-color:var(--line)}
  .nav-index__link[aria-current="page"]{border-left-color:var(--cyan);border-bottom-color:var(--grid);background:rgba(43,232,210,.06)}
  .nav-index__num{width:36px;flex:0 0 auto}
  .nav-toggle{display:inline-flex}
  .site-header__inner{gap:14px}
}
@media (max-width:760px){
  body{font-size:16px}
  .btn--ghost{display:none}
  .site-footer{margin-top:72px}
  .site-footer__top{grid-template-columns:repeat(2,minmax(0,1fr));padding:40px 0 34px}
  .brand__tagline{display:none}
  .figure__media,.figure--wide .figure__media{aspect-ratio:4 / 3}
  .figure--tall .figure__media{aspect-ratio:1 / 1}
  .data-row{grid-template-columns:38px minmax(0,1fr) auto;gap:12px;padding:13px 10px}
  .data-row__val{font-size:1.25rem}
  .league-dock{right:12px;left:12px;max-width:none;bottom:70px}
  .to-top{right:12px;bottom:12px;padding:10px 12px}
  .site-footer__copy{margin-left:0}
}
@media (max-width:460px){
  .site-footer__top{grid-template-columns:1fr}
  .contact-lines{grid-template-columns:1fr}
  .contact-lines__item{border-left:0;padding-left:0;padding-right:0;border-top:1px solid var(--grid)}
  .contact-lines__item:first-child{border-top:0}
  .nav-toggle__text{display:none}
}

/* ---------- 11. 可访问性降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html.js [data-reveal]{opacity:1;transform:none}
  .drawer__panel{animation:none}
}