/* =========================================================
   乐竞体育官网 · 共享样式 /assets/site.css
   夜场数据指挥中心：竖向轨道 + 玻璃层 + 记分牌数字
   ========================================================= */

/* ---------- 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;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%;height:auto}
:focus-visible{outline:2px solid #1BE7D8;outline-offset:3px;border-radius:4px}

/* ---------- 2. Tokens ---------- */
:root{
  --ink:#081426;
  --navy:#0F2342;
  --glass:#173A5E;
  --cyan:#1BE7D8;
  --blue:#2FB7FF;
  --orange:#FF7A1A;
  --white:#F4F8FF;
  --muted:#8EA6C2;
  --live:#FF4D67;
  --mint:#53E6A6;

  --rail-w:96px;
  --shell-max:1240px;
  --radius:16px;
  --radius-sm:10px;

  --font-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","DIN 2014","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;

  --line:rgba(142,166,194,.18);
  --line-cyan:rgba(27,231,216,.28);
  --shadow-lift:0 24px 60px rgba(2,8,18,.55);
}

/* ---------- 3. 中文排版基座 ---------- */
body{
  min-height:100%;
  padding-left:var(--rail-w);
  background:
    radial-gradient(900px 520px at 78% -6%,rgba(47,183,255,.10),transparent 62%),
    radial-gradient(680px 420px at 8% 4%,rgba(27,231,216,.08),transparent 66%),
    var(--ink);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.15;letter-spacing:.01em}
p{max-width:72ch}
.lead{font-size:clamp(16px,1.4vw,18px);color:#CBDCEE;line-height:1.85}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 4. 布局容器 ---------- */
.container{width:min(100% - 40px,var(--shell-max));margin-inline:auto}
.section{padding-block:clamp(44px,6vw,88px)}
.divider{height:1px;background:linear-gradient(90deg,var(--line-cyan),rgba(142,166,194,.10) 60%,transparent);border:0}

/* ---------- 5. 头部 : 竖向轨道 ---------- */
.site-header{position:relative;z-index:60}
.skip-link{
  position:fixed;left:12px;top:-70px;z-index:200;
  padding:10px 18px;border-radius:0 0 12px 12px;
  background:var(--cyan);color:#06121F;font-weight:700;font-size:14px;
  transition:top .22s ease;
}
.skip-link:focus{top:0}

/* 移动顶栏（桌面隐藏） */
.mobilebar{display:none}

/* 轨道 */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;
  padding:16px 0 14px;
  background:linear-gradient(180deg,#0B1B31 0%,#0F2342 56%,#0A172A 100%);
  border-right:1px solid var(--line-cyan);
  box-shadow:14px 0 44px rgba(2,8,18,.55);
  z-index:70;
  transition:transform .34s cubic-bezier(.2,.7,.3,1);
}
.rail::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(47,183,255,.055) 0 1px,transparent 1px 46px);
}
.rail::after{
  content:"";position:absolute;left:0;top:0;width:2px;height:120px;
  background:linear-gradient(180deg,var(--cyan),transparent);pointer-events:none;
}

.rail__top{
  position:relative;z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:0 8px 14px;border-bottom:1px solid var(--line);
}
.rail__close{display:none}

.brand{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.brand__mark{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(145deg,var(--cyan),var(--blue));
  color:#06121F;font-family:var(--font-mono);font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(27,231,216,.35),0 10px 26px rgba(27,231,216,.20);
}
.brand__cn{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--font-display);font-weight:800;font-size:14px;
  letter-spacing:.16em;color:var(--white);
}
.brand__en{
  font-family:var(--font-mono);font-size:7px;letter-spacing:.20em;
  color:var(--blue);opacity:.85;text-transform:uppercase;
}

.rail__nav{
  position:relative;z-index:1;
  flex:1 1 auto;overflow-y:auto;overflow-x:hidden;
  padding:12px 6px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail__nav::-webkit-scrollbar{width:0;height:0}
.rail__list{display:flex;flex-direction:column;gap:4px}

.rail__link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:56px;padding:9px 2px;border-radius:10px;
  border-left:2px solid transparent;
  color:var(--muted);
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.rail__link:hover{background:rgba(27,231,216,.09);color:var(--white)}
.rail__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(27,231,216,.18),rgba(27,231,216,0));
  border-left-color:var(--cyan);
  color:var(--white);
}
.rail__num{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.10em;
  color:var(--blue);opacity:.6;transition:opacity .25s ease,color .25s ease;
}
.rail__link[aria-current="page"] .rail__num{color:var(--cyan);opacity:1}
.rail__txt{
  font-size:11px;line-height:1.3;letter-spacing:.02em;text-align:center;
  word-break:keep-all;
}

.rail__tail{
  position:relative;z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:12px 10px 0;border-top:1px solid var(--line);
}
.rail__meter{
  position:relative;width:2px;height:56px;border-radius:2px;
  background:rgba(142,166,194,.22);overflow:hidden;
}
.rail__meter-fill{
  position:absolute;left:0;right:0;top:0;height:0;
  background:linear-gradient(180deg,var(--cyan),var(--orange));
  transition:height .12s linear;
}
.rail__meter-label{
  font-family:var(--font-mono);font-size:8px;letter-spacing:.20em;
  color:var(--muted);text-transform:uppercase;
}
.rail__cta{
  display:inline-flex;align-items:center;justify-content:center;
  width:100%;min-height:34px;padding:0 4px;border-radius:8px;
  background:linear-gradient(135deg,#FF8A3D,var(--orange));
  color:#0A1424;font-size:11px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 8px 22px rgba(255,122,26,.30);
  transition:transform .2s ease,box-shadow .25s ease;
}
.rail__cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,26,.42)}

/* 抽屉遮罩 */
.rail__scrim{
  position:fixed;inset:0;z-index:65;
  background:rgba(4,10,20,.68);
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.rail__scrim[data-open]{opacity:1;pointer-events:auto}

/* 返回顶部 */
.totop{
  position:fixed;right:20px;bottom:24px;z-index:78;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px;border-radius:999px;
  background:rgba(23,58,94,.86);
  border:1px solid var(--line-cyan);
  color:var(--white);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:0 14px 34px rgba(2,8,18,.5);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .26s ease,transform .26s ease,border-color .26s ease;
}
.totop[data-visible]{opacity:1;transform:translateY(0);pointer-events:auto}
.totop:hover{border-color:var(--cyan);color:var(--cyan)}
.totop__arrow{font-size:13px;line-height:1}
.totop__text{font-size:10px}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(48px,6vw,80px);
  padding-top:clamp(40px,5vw,64px);
  background:linear-gradient(180deg,#0B1B31 0%,var(--ink) 78%);
  border-top:1px solid var(--line-cyan);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 300px at 10% 0%,rgba(27,231,216,.13),transparent 68%),
    radial-gradient(640px 280px at 88% 8%,rgba(255,122,26,.10),transparent 70%);
}
.footer__inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1.2fr) minmax(0,1fr);
  gap:clamp(28px,3.4vw,48px);
  padding-bottom:clamp(32px,4vw,52px);
}
.footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.footer__lockup{display:inline-flex;align-items:center;gap:12px}
.footer__mark{
  display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:linear-gradient(145deg,var(--cyan),var(--blue));color:#06121F;
  font-family:var(--font-mono);font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(27,231,216,.35),0 10px 26px rgba(27,231,216,.18);
}
.footer__name{display:flex;flex-direction:column;line-height:1.2}
.footer__cn{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.02em}
.footer__en{font-family:var(--font-mono);font-size:9px;letter-spacing:.22em;color:var(--blue);text-transform:uppercase}
.footer__intro{font-size:14px;line-height:1.8;color:#B9CCE0;max-width:34ch}

.footer__nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.footer__title{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.20em;text-transform:uppercase;color:var(--cyan);
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{
  position:relative;display:inline-block;
  font-size:14px;color:#B9CCE0;
  transition:color .22s ease,transform .22s ease;
}
.footer__links a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--cyan);transition:width .26s ease;
}
.footer__links a:hover{color:var(--white);transform:translateX(2px)}
.footer__links a:hover::after{width:100%}

.footer__contact{display:flex;flex-direction:column}
.footer__meta{display:flex;flex-direction:column;gap:14px}
.footer__meta-item{
  display:grid;grid-template-columns:1fr auto;gap:2px 10px;align-items:center;
  padding-bottom:12px;border-bottom:1px dashed rgba(142,166,194,.16);
}
.footer__meta-key{
  grid-column:1/-1;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}
.footer__meta-val{
  font-size:13px;line-height:1.6;color:var(--white);word-break:break-all;
}
.copybtn{
  flex:0 0 auto;padding:3px 9px;border-radius:6px;
  border:1px solid rgba(142,166,194,.32);color:var(--muted);
  font-size:11px;letter-spacing:.06em;line-height:1.5;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.copybtn:hover{color:var(--cyan);border-color:var(--cyan)}
.copybtn[data-copied]{color:#06121F;background:var(--mint);border-color:var(--mint)}
.footer__note{margin-top:14px;font-size:12px;line-height:1.8;color:var(--muted)}

.footer__base{
  position:relative;
  border-top:1px solid var(--line);
  background:rgba(6,16,30,.6);
}
.footer__base-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  padding-block:18px;
  font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.footer__legal{display:flex;flex-wrap:wrap;gap:8px 18px;margin-left:auto}
.footer__legal a{color:var(--muted);transition:color .2s ease}
.footer__legal a:hover{color:var(--cyan)}
.footer__icp{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}

/* ---------- 7. 通用按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.06em;line-height:1;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--orange{
  background:linear-gradient(135deg,#FF8A3D,var(--orange));
  color:#0A1424;box-shadow:0 12px 28px rgba(255,122,26,.28);
}
.btn--orange:hover{box-shadow:0 16px 34px rgba(255,122,26,.40)}
.btn--cyan{background:var(--cyan);color:#06121F;box-shadow:0 12px 28px rgba(27,231,216,.22)}
.btn--ghost{
  background:rgba(23,58,94,.5);border-color:rgba(142,166,194,.30);color:var(--white);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(142,166,194,.30);
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;line-height:1.6;
  color:var(--muted);white-space:nowrap;
}
.pill--cyan{color:var(--cyan);border-color:rgba(27,231,216,.45);background:rgba(27,231,216,.10)}
.pill--orange{color:#FFB37A;border-color:rgba(255,122,26,.45);background:rgba(255,122,26,.12)}
.pill--live{color:#FFC1CB;border-color:rgba(255,77,103,.5);background:rgba(255,77,103,.12)}
.pill--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(255,77,103,.7);animation:ljpulse 1.8s infinite;
}
@keyframes ljpulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,103,.65)}
  70%{box-shadow:0 0 0 8px rgba(255,77,103,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,103,0)}
}

/* ---------- 8. 章节头 / 面包屑 / 小标 ---------- */
.chapter{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 16px;
  padding-bottom:14px;margin-bottom:clamp(20px,2.6vw,32px);
  border-bottom:1px solid var(--line);
}
.chapter__num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;
  color:var(--cyan);
}
.chapter__title{font-size:clamp(22px,2.6vw,32px);letter-spacing:.01em}
.chapter__note{
  margin-left:auto;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0;font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb__sep{opacity:.5}
.breadcrumb [aria-current="page"]{color:var(--white)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}

/* ---------- 9. 层 / 卡 / 网格 ---------- */
.glass{
  background:rgba(23,58,94,.42);
  border:1px solid rgba(142,166,194,.22);
  border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
}
.card{
  position:relative;
  padding:clamp(18px,2vw,26px);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(15,35,66,.96),rgba(10,23,42,.96));
  border:1px solid rgba(142,166,194,.16);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{border-color:rgba(27,231,216,.45);transform:translateY(-3px);box-shadow:var(--shadow-lift)}

.grid{display:grid;gap:clamp(14px,1.8vw,22px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}

/* ---------- 10. 票根组件 ---------- */
.ticket{
  position:relative;
  padding:clamp(20px,2.4vw,28px);
  border-radius:18px;
  background:linear-gradient(158deg,rgba(23,58,94,.94),rgba(15,35,66,.98));
  border:1px solid var(--line-cyan);
  box-shadow:0 24px 60px rgba(2,8,18,.55);
}
.ticket::before,.ticket::after{
  content:"";position:absolute;top:calc(50% - 10px);
  width:20px;height:20px;border-radius:50%;background:var(--ink);
}
.ticket::before{left:-11px;border-right:1px solid var(--line-cyan)}
.ticket::after{right:-11px;border-left:1px solid var(--line-cyan)}
.ticket__perf{
  height:0;margin:18px 0;border-top:1px dashed rgba(142,166,194,.34);
}

/* ---------- 11. 数据卡 ---------- */
.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{
  font-family:var(--font-mono);font-size:clamp(26px,3vw,42px);
  font-weight:700;line-height:1.05;color:var(--white);
  font-variant-numeric:tabular-nums;
}
.stat__label{
  font-size:12px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;
}

/* ---------- 12. 图片容器基础规则 ---------- */
.media{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--radius);
  background:linear-gradient(140deg,#0F2342 0%,#173A5E 58%,#0B1B31 100%);
  border:1px solid rgba(142,166,194,.16);
}
.media img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,20,38,0) 42%,rgba(8,20,38,.72) 100%);
}
.media__cap{
  position:absolute;left:14px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 10px;border-radius:999px;
  background:rgba(8,20,38,.72);border:1px solid var(--line-cyan);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}

/* ---------- 13. 平板 ---------- */
@media (max-width:1100px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .footer__contact{grid-column:1/-1}
}

/* ---------- 14. 移动 : 抽屉导航 ---------- */
@media (max-width:900px){
  :root{--rail-w:0px}
  body{padding-left:0;font-size:15px}

  .mobilebar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:80;
    padding:10px 16px;
    background:rgba(8,20,38,.90);
    border-bottom:1px solid var(--line-cyan);
    backdrop-filter:blur(16px) saturate(130%);
    -webkit-backdrop-filter:blur(16px) saturate(130%);
  }
  .mobilebar__brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
  .mobilebar__name{
    font-family:var(--font-display);font-weight:800;font-size:15px;
    letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .mobilebar__actions{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
  .mobilebar__actions .pill{padding:4px 10px;font-size:10px}

  .navbtn{
    display:inline-grid;place-items:center;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--line-cyan);
    background:rgba(23,58,94,.55);
    transition:border-color .2s ease,background .2s ease;
  }
  .navbtn[aria-expanded="true"]{background:rgba(27,231,216,.16);border-color:var(--cyan)}
  .navbtn__bars{display:flex;flex-direction:column;gap:4px;width:16px}
  .navbtn__bars span{display:block;height:2px;border-radius:2px;background:var(--white);transition:transform .24s ease,opacity .2s ease}
  .navbtn[aria-expanded="true"] .navbtn__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .navbtn[aria-expanded="true"] .navbtn__bars span:nth-child(2){opacity:0}
  .navbtn[aria-expanded="true"] .navbtn__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .rail{
    width:min(84vw,320px);
    transform:translateX(-102%);
    visibility:hidden;
    box-shadow:24px 0 60px rgba(2,8,18,.7);
    transition:transform .34s cubic-bezier(.2,.7,.3,1),visibility 0s linear .34s;
  }
  .rail[data-open]{
    transform:translateX(0);
    visibility:visible;
    transition:transform .34s cubic-bezier(.2,.7,.3,1),visibility 0s linear 0s;
  }

  .rail__top{
    flex-direction:row;align-items:center;justify-content:space-between;
    gap:12px;padding:16px 16px 14px;text-align:left;
  }
  .brand{flex-direction:row;align-items:center;gap:10px;text-align:left}
  .brand__cn{writing-mode:horizontal-tb;font-size:16px;letter-spacing:.02em}
  .brand__en{display:none}
  .rail__close{
    display:inline-grid;place-items:center;
    width:36px;height:36px;border-radius:9px;
    border:1px solid var(--line);color:var(--muted);font-size:20px;line-height:1;
    transition:color .2s ease,border-color .2s ease;
  }
  .rail__close:hover{color:var(--cyan);border-color:var(--cyan)}

  .rail__nav{padding:8px 0 12px}
  .rail__list{gap:0}
  .rail__link{
    flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;
    min-height:52px;padding:0 16px;border-radius:0;
    border-left:2px solid transparent;
  }
  .rail__num{font-size:11px;width:26px;flex:0 0 auto;text-align:left}
  .rail__txt{font-size:15px;text-align:left}
  .rail__link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(27,231,216,.18),rgba(27,231,216,0) 82%);
  }
  .rail__tail{
    flex-direction:row;align-items:center;justify-content:space-between;
    gap:12px;padding:14px 16px 18px;
  }
  .rail__meter{width:100%;height:3px;flex:1 1 auto}
  .rail__meter-fill{right:auto;bottom:0;top:0;height:100%!important;width:0;transition:width .12s linear}
  .rail__meter-label{display:none}
  .rail__cta{width:auto;min-height:38px;padding:0 16px;font-size:12px;flex:0 0 auto}

  .totop{right:14px;bottom:16px;padding:10px 14px}
  .totop__text{display:none}

  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer__base-inner{padding-block:16px;gap:8px 18px}
  .footer__legal{margin-left:0;width:100%}
}

/* ---------- 15. 手机 ---------- */
@media (max-width:640px){
  .container{width:min(100% - 32px,var(--shell-max))}
  .grid--2,.grid--3,.grid--4,.grid--split{grid-template-columns:minmax(0,1fr)}
  .chapter__note{margin-left:0;flex-basis:100%}
  .footer__inner{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer__contact{grid-column:auto}
  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .btn{width:100%}
  .footer__brand .btn{width:auto}
  p{max-width:none}
}

/* ---------- 16. 降低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .pill--live::before{animation:none}
}