/* ============================================================
   沙巴体育中心 — 共享样式表 /assets/site.css
   深墨绿底 · 荧光青柠 · 暖金 · 绝杀橙红
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --c-deep:#0B1F1A;
  --c-char:#121417;
  --c-cream:#F4EEE2;
  --c-brown:#1E1712;
  --c-lime:#B6FF3B;
  --c-gold:#E8B44A;
  --c-pulse:#FF4B2B;
  --c-gray:#8C9A93;
  --c-turf:#163026;
  --c-chalk:#E7EDE9;

  --f-display:"Oswald","Bebas Neue","Arial Narrow","Noto Sans SC","PingFang SC",sans-serif;
  --f-head:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --f-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:30px;
  --r-pill:999px;

  --rail-w:248px;
  --shell-max:1320px;
  --gap:24px;

  --line:rgba(140,154,147,.20);
  --line-strong:rgba(140,154,147,.36);

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 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,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;color:inherit;}

/* ---------- 3. 基础排版与页面底色 ---------- */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  background-color:var(--c-deep);
  background-image:
    radial-gradient(1200px 620px at 12% -8%, rgba(182,255,59,.07), transparent 72%),
    radial-gradient(920px 540px at 96% 104%, rgba(232,180,74,.06), transparent 70%),
    repeating-linear-gradient(90deg, rgba(231,237,233,.02) 0 2px, transparent 2px 64px);
  background-attachment:fixed;
  color:var(--c-chalk);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  transition:padding-left .3s var(--ease);
}

h1,h2,h3,h4{font-family:var(--f-head);font-weight:900;line-height:1.2;letter-spacing:-.01em;color:var(--c-cream);}
p{max-width:78ch;}
strong{color:var(--c-cream);font-weight:700;}
a{color:var(--c-lime);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--c-gold);}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:3px;}

/* ---------- 4. Skip link ---------- */
.skip-link{
  position:fixed;top:12px;left:12px;z-index:300;
  transform:translateY(-180%);
  padding:12px 20px;border-radius:var(--r-pill);
  background:var(--c-lime);color:#08150F;
  font-family:var(--f-head);font-weight:700;font-size:14px;
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#08150F;}

/* ---------- 5. 侧边轨道导航 ---------- */
.site-rail{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--rail-w);
  z-index:110;
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  background:linear-gradient(175deg,#141715 0%,#101C17 55%,#0C1613 100%);
  border-right:1px solid rgba(22,48,38,.95);
  overflow-y:auto;
  overscroll-behavior:contain;
  transition:transform .32s var(--ease),width .3s var(--ease);
}
.site-rail::after{
  content:"";position:absolute;top:0;bottom:0;right:0;width:1px;pointer-events:none;
  background:linear-gradient(180deg,rgba(182,255,59,.5),rgba(232,180,74,.25) 42%,transparent 88%);
}

/* 品牌锁定区 */
.rail__brand{
  display:flex;align-items:center;gap:12px;
  padding:6px 6px 16px;
  border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;
}
.rail__mark{
  flex:0 0 auto;display:grid;place-items:center;
  width:42px;height:42px;border-radius:14px;
  background:var(--c-lime);color:#08150F;
  font-family:var(--f-head);font-weight:900;font-size:20px;
  box-shadow:0 8px 22px rgba(182,255,59,.22);
}
.rail__brand-text{min-width:0;}
.rail__wordmark{
  display:block;
  font-family:var(--f-head);font-weight:900;font-size:17px;
  color:var(--c-cream);letter-spacing:.02em;line-height:1.25;
}
.rail__tagline{
  display:block;margin-top:2px;
  font-family:var(--f-mono);font-size:10px;line-height:1.55;
  color:var(--c-gray);
}

/* 导航 */
.rail__nav{flex:1 1 auto;min-height:0;padding:16px 0 12px;}
.rail__list{display:flex;flex-direction:column;gap:4px;}
.rail__link{
  position:relative;
  display:grid;grid-template-columns:26px 22px 1fr;align-items:center;gap:10px;
  padding:11px 12px 11px 14px;
  border-radius:var(--r-md);
  color:var(--c-chalk);
  font-size:14.5px;font-weight:500;line-height:1.3;
  text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.rail__link:hover{background:var(--c-turf);color:var(--c-lime);}
.rail__link:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.rail__link[aria-current="page"]{background:rgba(22,48,38,.92);color:var(--c-gold);}
.rail__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-lime);
  box-shadow:0 0 14px rgba(182,255,59,.55);
}
.rail__num{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;color:var(--c-gray);}
.rail__link[aria-current="page"] .rail__num{color:var(--c-gold);}
.rail__icon{display:grid;place-items:center;width:22px;height:22px;}
.rail__icon svg{
  width:18px;height:18px;fill:none;stroke:currentColor;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.rail__label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 轨道底部 */
.rail__foot{
  flex:0 0 auto;display:flex;flex-direction:column;gap:10px;
  padding-top:16px;border-top:1px solid var(--line);
}
.rail__cta{
  display:block;text-align:center;
  padding:12px 14px;border-radius:var(--r-pill);
  background:var(--c-lime);color:#08150F;
  font-family:var(--f-head);font-weight:700;font-size:13.5px;line-height:1.35;
  text-decoration:none;
  box-shadow:0 10px 24px rgba(182,255,59,.16);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.rail__cta:hover{color:#08150F;transform:translateY(-2px);box-shadow:0 14px 30px rgba(182,255,59,.28);}
.rail__utility{
  display:flex;flex-direction:column;gap:3px;
  padding:10px 12px;border-radius:var(--r-md);
  background:rgba(22,48,38,.6);
  border:1px solid var(--line);
  text-decoration:none;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.rail__utility:hover{border-color:rgba(182,255,59,.4);background:rgba(22,48,38,.92);}
.rail__utility-label{font-family:var(--f-mono);font-size:10px;letter-spacing:.1em;color:var(--c-gray);text-transform:uppercase;}
.rail__utility-value{font-family:var(--f-mono);font-size:12.5px;color:var(--c-cream);white-space:nowrap;}

/* ---------- 6. 移动端抽屉按钮 ---------- */
.nav-toggle{
  display:none;
  position:fixed;top:14px;right:14px;z-index:130;
  width:48px;height:48px;padding:0;
  align-items:center;justify-content:center;
  border-radius:var(--r-md);
  border:1px solid rgba(182,255,59,.45);
  background:rgba(18,20,23,.94);
  color:var(--c-lime);
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(22,48,38,.95);border-color:var(--c-lime);}
.nav-toggle__bars{display:grid;gap:5px;width:20px;}
.nav-toggle__bars span{
  display:block;height:2px;border-radius:2px;background:currentColor;
  transition:transform .26s var(--ease),opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(7px) 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(-7px) rotate(-45deg);}

/* ---------- 7. 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(40px,6vw,88px);
  padding:clamp(42px,5vw,70px) clamp(18px,4vw,56px) 26px;
  background:linear-gradient(180deg,#101B16 0%,#0B1F1A 68%);
  border-top:1px solid var(--line);
  color:var(--c-chalk);
}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,
    var(--c-lime) 0 16%,
    var(--c-gold) 16% 30%,
    var(--c-pulse) 30% 38%,
    rgba(140,154,147,.22) 38% 100%);
}

.foot__grid{
  max-width:var(--shell-max);margin:0 auto;
  display:grid;
  grid-template-columns:minmax(200px,1.35fr) repeat(3,minmax(110px,.8fr)) minmax(220px,1.3fr);
  gap:clamp(20px,2.6vw,40px);
  padding-bottom:clamp(26px,3vw,40px);
  border-bottom:1px solid var(--line);
}

.foot__brand-link{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit;}
.foot__mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:13px;
  background:linear-gradient(140deg,var(--c-lime),#8FE01C);
  color:#08150F;font-family:var(--f-head);font-weight:900;font-size:18px;
}
.foot__wordmark{
  font-family:var(--f-head);font-weight:900;font-size:19px;
  color:var(--c-cream);letter-spacing:.02em;
  transition:color .2s var(--ease);
}
.foot__brand-link:hover .foot__wordmark{color:var(--c-lime);}
.foot__tag{
  margin-top:12px;max-width:32ch;
  font-family:var(--f-mono);font-size:11px;line-height:1.6;color:var(--c-gray);
}
.foot__note{
  margin-top:10px;max-width:34ch;
  font-size:13.5px;line-height:1.7;color:rgba(231,237,233,.72);
}

.foot__group{min-width:0;}
.foot__title{
  position:relative;
  padding-bottom:12px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;
  color:var(--c-gold);text-transform:uppercase;
  max-width:none;
}
.foot__title::after{
  content:"";position:absolute;left:0;bottom:4px;
  width:22px;height:2px;border-radius:2px;background:var(--c-lime);
}
.foot__list{display:flex;flex-direction:column;gap:9px;margin-top:6px;}
.foot__link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--c-chalk);text-decoration:none;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.foot__link::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:rgba(140,154,147,.55);
  transition:background .18s var(--ease),box-shadow .18s var(--ease);
}
.foot__link:hover{color:var(--c-lime);transform:translateX(2px);}
.foot__link:hover::before{background:var(--c-lime);box-shadow:0 0 10px rgba(182,255,59,.7);}

.foot__contact{min-width:0;}
.foot__contact-list{display:flex;flex-direction:column;gap:8px;margin-top:6px;}
.foot__contact-list li{display:flex;gap:10px;font-size:13px;line-height:1.6;}
.foot__contact-key{
  flex:0 0 34px;padding-top:2px;
  font-family:var(--f-mono);font-size:10.5px;color:var(--c-gray);
}
.foot__contact-val{color:var(--c-chalk);word-break:break-word;}
.foot__contact-btn{margin-top:14px;}

.foot__season{
  position:relative;overflow:hidden;
  max-width:var(--shell-max);
  margin:clamp(22px,3vw,34px) auto 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px 24px;
  padding:clamp(16px,2.2vw,22px) clamp(16px,2.4vw,26px);
  border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(22,48,38,.95),rgba(11,31,26,.9));
  border:1px solid rgba(182,255,59,.3);
}
.foot__season::after{
  content:"";position:absolute;right:-46px;top:-70px;
  width:210px;height:210px;border-radius:50%;
  border:1px solid rgba(182,255,59,.18);
  pointer-events:none;
}
.foot__season-title{
  font-family:var(--f-head);font-weight:900;font-size:17px;
  color:var(--c-cream);max-width:none;
}
.foot__season-hint{
  margin-top:5px;max-width:62ch;
  font-family:var(--f-mono);font-size:11.5px;line-height:1.65;color:var(--c-gray);
}

.foot__legal{
  max-width:var(--shell-max);margin:clamp(20px,2.6vw,30px) auto 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 20px;
  padding-top:18px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:11.5px;color:var(--c-gray);
}
.foot__copy,.foot__icp{max-width:none;}

/* ---------- 8. 通用布局 ---------- */
.shell{
  width:100%;max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:clamp(18px,4vw,48px);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap);}
.stack{display:flex;flex-direction:column;gap:16px;}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.section{padding-block:clamp(40px,6vw,84px);}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-pill);
  border:1px solid transparent;
  font-family:var(--f-head);font-weight:700;font-size:15px;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),
             background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--c-lime);color:#08150F;box-shadow:0 10px 26px rgba(182,255,59,.18);}
.btn--primary:hover{color:#08150F;transform:translateY(-2px);box-shadow:0 14px 32px rgba(182,255,59,.3);}
.btn--gold{background:var(--c-gold);color:#231A08;}
.btn--gold:hover{color:#231A08;transform:translateY(-2px);}
.btn--ghost{background:transparent;color:var(--c-chalk);border-color:rgba(231,237,233,.34);}
.btn--ghost:hover{border-color:var(--c-lime);color:var(--c-lime);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--c-lime);outline-offset:3px;}

/* ---------- 10. 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0;padding:0;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;color:var(--c-gray);
}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:rgba(140,154,147,.5);}
.crumbs a{color:var(--c-chalk);text-decoration:none;}
.crumbs a:hover{color:var(--c-lime);}
.crumbs [aria-current="page"]{color:var(--c-gold);}

/* ---------- 11. 卡片与数据元件 ---------- */
.card{
  position:relative;
  padding:clamp(16px,2vw,24px);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(22,48,38,.86),rgba(18,20,23,.9));
  border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(182,255,59,.42);box-shadow:0 18px 40px rgba(0,0,0,.34);}
.card__title{font-family:var(--f-head);font-weight:700;font-size:17px;color:var(--c-cream);line-height:1.35;}
.card__meta{margin-top:8px;font-family:var(--f-mono);font-size:11px;color:var(--c-gray);}

.num{
  font-family:var(--f-display);font-weight:700;
  font-stretch:condensed;letter-spacing:-.01em;line-height:1;
  color:var(--c-lime);
}
.num--gold{color:var(--c-gold);}
.num--pulse{color:var(--c-pulse);}
.num--xl{font-size:clamp(48px,7vw,120px);}
.num--lg{font-size:clamp(32px,4vw,72px);}
.num--sm{font-size:clamp(20px,2vw,28px);letter-spacing:.01em;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-gold);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:currentColor;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(22,48,38,.9);
  border:1px solid var(--line-strong);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.03em;color:var(--c-chalk);
}
.tag--live{color:#FFD9D1;border-color:rgba(255,75,43,.5);background:rgba(255,75,43,.14);}
.tag--season{color:#F7E2B4;border-color:rgba(232,180,74,.45);background:rgba(232,180,74,.12);}

.live-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--c-pulse);
  animation:livePulse 2s var(--ease) infinite;
}
@keyframes livePulse{
  0%{box-shadow:0 0 0 0 rgba(255,75,43,.62);}
  70%{box-shadow:0 0 0 12px rgba(255,75,43,0);}
  100%{box-shadow:0 0 0 0 rgba(255,75,43,0);}
}

/* ---------- 12. 分段标签 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:8px;}
.tab{
  appearance:none;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(18,20,23,.7);
  color:var(--c-chalk);
  font-family:var(--f-head);font-weight:700;font-size:13.5px;line-height:1.3;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tab:hover{border-color:var(--c-lime);color:var(--c-lime);}
.tab[aria-selected="true"]{background:var(--c-lime);border-color:var(--c-lime);color:#08150F;}
.tab:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;}
.panel{animation:panelIn .2s var(--ease);}
.panel[hidden]{display:none;}
@keyframes panelIn{from{opacity:0;}to{opacity:1;}}

/* ---------- 13. 长文阅读面板 ---------- */
.prose{
  max-width:78ch;
  padding:clamp(22px,4vw,56px);
  border-radius:clamp(18px,2.4vw,30px);
  background:var(--c-cream);
  color:var(--c-brown);
  font-size:16px;line-height:1.8;
}
.prose h2,.prose h3{font-family:var(--f-head);color:var(--c-brown);margin-top:1.8em;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose h2{font-size:clamp(22px,2.6vw,28px);}
.prose h3{font-size:clamp(18px,2vw,20px);}
.prose p+p{margin-top:1em;}
.prose ul,.prose ol{list-style:disc;margin-top:1em;padding-left:1.4em;}
.prose ol{list-style:decimal;}
.prose li{margin-top:.4em;}
.prose strong{color:var(--c-brown);}
.prose a{color:#A8391A;text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:#FF4B2B;}
.prose hr{border:0;border-top:1px solid rgba(30,23,18,.16);margin:2em 0;}

/* ---------- 14. 图片容器基座 ---------- */
.media-frame{
  position:relative;display:block;width:100%;
  overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#163026 0%,#0B1F1A 58%,#121417 100%);
  border:1px solid var(--line);
}
.media-frame--16-9{aspect-ratio:16/9;}
.media-frame--4-3{aspect-ratio:4/3;}
.media-frame--1-1{aspect-ratio:1/1;}
.media-frame--3-4{aspect-ratio:3/4;}
.media-frame--21-9{aspect-ratio:21/9;}
.media-frame > img,
.media-frame > video,
.media-frame > svg,
.media-frame > .media-frame__canvas{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(231,237,233,.055) 0 1px,transparent 1px 5px),
    radial-gradient(120% 92% at 20% 0%,rgba(182,255,59,.12),transparent 62%);
}
.media-caption{
  display:block;margin-top:10px;
  font-family:var(--f-mono);font-size:11px;color:var(--c-gray);
}

/* ---------- 15. 滚动进度条（由 JS 注入） ---------- */
.scroll-progress{
  position:fixed;top:0;left:var(--rail-w);right:0;
  height:3px;z-index:150;
  pointer-events:none;
  background:rgba(231,237,233,.07);
  transition:left .3s var(--ease);
}
.scroll-progress span{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-lime),var(--c-gold) 62%,var(--c-pulse));
}

/* ---------- 16. 显现动画基座 ---------- */
.js [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.js [data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 17. 断点：中屏窄轨 ---------- */
@media (max-width:1120px){
  :root{--rail-w:96px;}
}
@media (min-width:861px) and (max-width:1120px){
  .site-rail{padding:20px 12px 16px;}
  .rail__brand{justify-content:center;padding:6px 0 16px;}
  .rail__brand-text{
    position:absolute;width:1px;height:1px;padding:0;
    overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
  }
  .rail__list{gap:6px;}
  .rail__link{
    display:flex;flex-direction:column;align-items:center;gap:4px;
    padding:10px 4px;font-size:11px;
  }
  .rail__link[aria-current="page"]::before{top:6px;bottom:6px;}
  .rail__label{
    position:absolute;width:1px;height:1px;padding:0;
    overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
  }
  .rail__num{font-size:9.5px;}
  .rail__cta{font-size:11.5px;padding:10px 6px;}
  .rail__utility{display:none;}
}

/* ---------- 18. 断点：移动端抽屉 ---------- */
@media (max-width:860px){
  :root{--rail-w:0px;}
  body{padding-left:0;}
  .site-rail{
    width:min(88vw,340px);
    padding:24px 18px 20px;
    transform:translateX(-102%);
    z-index:120;
    box-shadow:0 0 60px rgba(0,0,0,.62);
  }
  .site-rail[data-open]{transform:translateX(0);}
  .nav-toggle{display:inline-flex;}
  .rail__brand{padding:6px 4px 18px;}
  .rail__list{gap:6px;}
  .rail__link{font-size:15.5px;padding:13px 14px;}
  .rail__foot{padding-top:18px;}
  .rail__cta{font-size:15px;padding:14px 16px;}
  body.nav-open{overflow:hidden;}
  .scroll-progress{left:0;}
}

/* ---------- 19. 平板页脚折行 ---------- */
@media (max-width:1024px){
  .foot__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:clamp(22px,3.4vw,34px);
  }
  .foot__brand{grid-column:1 / -1;}
  .foot__contact{grid-column:1 / -1;}
}
@media (max-width:560px){
  .foot__grid{grid-template-columns:minmax(0,1fr);}
  .foot__season{flex-direction:column;align-items:flex-start;}
  .foot__legal{flex-direction:column;align-items:flex-start;}
  .foot__contact-list li{flex-direction:column;gap:2px;}
  .foot__contact-key{flex:0 0 auto;}
}

/* ---------- 20. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1 !important;transform:none !important;}
  .site-rail,.scroll-progress{transition:none !important;}
  .card:hover{transform:none;}
  .btn:hover,.foot__link:hover{transform:none;}
}