/* ============================================================
   立即博体育 · 共享样式表 /assets/site.css
   赛场数据实验室：深墨绿底 + 荧光青数据光 + 亮橙高亮
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --lb-ink:#08120E;
  --lb-night:#0B1F17;
  --lb-pitch:#123D2E;
  --lb-moss:#2F6B4F;
  --lb-cyan:#2EF2D2;
  --lb-orange:#FF7A1A;
  --lb-clay:#B96A4B;
  --lb-rock:#3C4643;
  --lb-rice:#F4F0E6;
  --lb-cyan-gray:#6E8F87;

  --lb-line:rgba(110,143,135,.26);
  --lb-line-soft:rgba(110,143,135,.14);
  --lb-line-strong:rgba(46,242,210,.34);
  --lb-line-orange:rgba(255,122,26,.48);
  --lb-shadow:0 22px 48px rgba(3,12,9,.55);

  --lb-font-display:"Inter Tight","Archivo Black","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --lb-font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --lb-font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --lb-cut:14px;
  --lb-shell:1280px;
  --lb-header-h:68px;
}

/* ---------- 2. Reset 与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--lb-night);
  color:var(--lb-rice);
  font-family:var(--lb-font-body);
  font-size:1rem;
  font-weight:400;
  line-height:1.7;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{max-width:100%}
button{font:inherit;color:inherit}
[id]{scroll-margin-top:clamp(96px,13vh,140px)}
::selection{background:var(--lb-cyan);color:var(--lb-ink)}
:focus-visible{outline:2px solid var(--lb-cyan);outline-offset:3px}

/* ---------- 3. 排版与链接 ---------- */
a{color:var(--lb-cyan);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--lb-orange)}
h1,h2,h3,h4{font-family:var(--lb-font-display);font-weight:800;line-height:1.12;letter-spacing:-.012em;color:inherit}
.lb-display{font-family:var(--lb-font-display);font-weight:900;font-size:clamp(3.5rem,10vw,8rem);line-height:.92;letter-spacing:-.035em}
.lb-h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:900;line-height:1.06;letter-spacing:-.02em}
.lb-h2{font-size:clamp(1.5rem,3vw,2.25rem)}
.lb-h3{font-size:clamp(1.05rem,2vw,1.35rem);font-weight:700;letter-spacing:0}
.lb-mono{font-family:var(--lb-font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.lb-lede{font-size:clamp(1rem,1.4vw,1.15rem);max-width:64ch;color:rgba(244,240,230,.86)}
.lb-muted{color:var(--lb-cyan-gray)}
.lb-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--lb-font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--lb-cyan);
}
.lb-eyebrow::before{content:"";width:28px;height:1px;background:var(--lb-cyan);flex:none}

/* ---------- 4. 布局原语 ---------- */
.lb-shell{width:100%;max-width:var(--lb-shell);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.lb-shell--wide{max-width:1560px}
.lb-main{display:block;min-height:60vh}

.lb-section{padding-block:clamp(48px,7vw,96px);position:relative}
.lb-section--narrow{padding-block:clamp(26px,4vw,56px)}
.lb-section--pitch{background:var(--lb-pitch)}
.lb-section--paper{background:var(--lb-rice);color:var(--lb-ink)}
.lb-section--paper .lb-muted{color:var(--lb-rock)}
.lb-section--paper .lb-eyebrow{color:var(--lb-moss)}
.lb-section--paper .lb-eyebrow::before{background:var(--lb-moss)}

.lb-grid{display:grid;gap:clamp(14px,2vw,24px);grid-template-columns:repeat(12,minmax(0,1fr))}
.lb-col-3{grid-column:span 3}
.lb-col-4{grid-column:span 4}
.lb-col-5{grid-column:span 5}
.lb-col-6{grid-column:span 6}
.lb-col-7{grid-column:span 7}
.lb-col-8{grid-column:span 8}
.lb-col-12{grid-column:span 12}
.lb-stack{display:flex;flex-direction:column;gap:clamp(12px,1.8vw,22px)}

.lb-rule{border:0;height:1px;margin-block:clamp(20px,3vw,36px);
  background:linear-gradient(90deg,var(--lb-cyan) 0%,rgba(46,242,210,.12) 42%,transparent 100%)}
.lb-track{height:1px;opacity:.55;transform:rotate(-2.4deg);transform-origin:left center;
  background:repeating-linear-gradient(90deg,var(--lb-cyan) 0 6px,transparent 6px 15px)}

/* ---------- 5. 按钮与标签 ---------- */
.lb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.62rem 1.1rem;font-weight:700;font-size:.9rem;line-height:1.2;
  color:var(--lb-rice);background:transparent;border:0;box-shadow:inset 0 0 0 1px var(--lb-line-strong);
  cursor:pointer;text-align:center;
  clip-path:polygon(11px 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%,0 11px);
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
}
.lb-btn:hover{color:var(--lb-rice);background:rgba(46,242,210,.10);transform:translateY(-1px)}
.lb-btn:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--lb-cyan)}
.lb-btn--primary{background:var(--lb-orange);color:var(--lb-ink);box-shadow:none}
.lb-btn--primary:hover{background:#ff8f3d;color:var(--lb-ink)}
.lb-btn--primary:focus-visible{box-shadow:inset 0 0 0 2px var(--lb-ink)}
.lb-btn--ghost{color:var(--lb-cyan-gray)}
.lb-btn--sm{padding:.46rem .82rem;font-size:.8rem}

.lb-chip{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.24rem .6rem;font-family:var(--lb-font-mono);font-size:.7rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--lb-cyan-gray);box-shadow:inset 0 0 0 1px var(--lb-line);
}
.lb-chip--cyan{color:var(--lb-cyan);box-shadow:inset 0 0 0 1px var(--lb-line-strong)}
.lb-chip--orange{color:var(--lb-orange);box-shadow:inset 0 0 0 1px var(--lb-line-orange)}
.lb-chip--clay{color:var(--lb-clay);box-shadow:inset 0 0 0 1px rgba(185,106,75,.45)}

/* ---------- 6. 数据组件 ---------- */
.lb-panel{
  position:relative;padding:clamp(16px,2.2vw,26px);
  background:linear-gradient(150deg,var(--lb-pitch) 0%,rgba(47,107,79,.28) 100%);
  box-shadow:inset 0 0 0 1px var(--lb-line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - var(--lb-cut)),calc(100% - var(--lb-cut)) 100%,0 100%);
}
.lb-panel--alt{clip-path:polygon(var(--lb-cut) 0,100% 0,100% 100%,0 100%,0 var(--lb-cut))}
.lb-panel__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;
  padding-bottom:10px;border-bottom:1px solid var(--lb-line-soft)}
.lb-panel__title{font-family:var(--lb-font-display);font-size:1.02rem;font-weight:800;letter-spacing:0}

.lb-stat{display:flex;flex-direction:column;gap:4px}
.lb-stat__value{font-family:var(--lb-font-mono);font-weight:700;font-size:clamp(1.9rem,4.6vw,3.1rem);
  line-height:1;color:var(--lb-orange);font-variant-numeric:tabular-nums}
.lb-stat__value--cyan{color:var(--lb-cyan)}
.lb-stat__label{font-size:.82rem;letter-spacing:.04em;color:var(--lb-cyan-gray)}
.lb-stat__meta{font-family:var(--lb-font-mono);font-size:.72rem;color:var(--lb-clay)}

.lb-meter{position:relative;height:8px;background:rgba(110,143,135,.22);overflow:hidden;
  clip-path:polygon(0 0,100% 0,calc(100% - 5px) 100%,0 100%)}
.lb-meter__fill{display:block;height:100%;background:linear-gradient(90deg,var(--lb-cyan),var(--lb-orange))}

.lb-note{padding-left:14px;border-left:3px solid var(--lb-clay);color:var(--lb-cyan-gray);font-size:.92rem;line-height:1.75}
.lb-note__label{display:block;font-family:var(--lb-font-mono);font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--lb-clay);margin-bottom:4px}

.lb-index{border-top:1px solid var(--lb-line);border-bottom:1px solid var(--lb-line);padding-block:10px}
.lb-index__list{display:grid;gap:2px}
.lb-index__item{display:flex;align-items:baseline;gap:12px;border-bottom:1px dashed var(--lb-line-soft);padding:9px 2px}
.lb-index__item:last-child{border-bottom:0}
.lb-index__num{font-family:var(--lb-font-mono);font-size:.74rem;color:var(--lb-cyan);flex:none;min-width:2.2em}
.lb-index__link{font-weight:600;color:var(--lb-rice)}
.lb-index__link:hover{color:var(--lb-orange)}

.lb-table{width:100%;border-collapse:collapse;font-size:.9rem}
.lb-table th,.lb-table td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--lb-line-soft)}
.lb-table th{font-family:var(--lb-font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lb-cyan-gray)}
.lb-table td.lb-mono{font-family:var(--lb-font-mono);color:var(--lb-cyan)}
.lb-table tbody tr:hover{background:rgba(46,242,210,.06)}

.lb-timeline{display:grid;gap:16px;border-left:1px solid var(--lb-line);padding-left:18px}
.lb-timeline__item{position:relative}
.lb-timeline__item::before{content:"";position:absolute;left:-23px;top:.55em;width:9px;height:9px;
  background:var(--lb-night);box-shadow:inset 0 0 0 2px var(--lb-cyan);transform:rotate(45deg)}
.lb-timeline__time{font-family:var(--lb-font-mono);font-size:.74rem;letter-spacing:.1em;color:var(--lb-orange)}
.lb-timeline__body{margin-top:2px}

/* ---------- 7. 图片容器基础规则（页面阶段放图） ---------- */
.lb-media{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;
  background:linear-gradient(140deg,var(--lb-pitch),var(--lb-moss) 70%,rgba(46,242,210,.18));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%)}
.lb-media--square{aspect-ratio:1/1}
.lb-media--portrait{aspect-ratio:3/4}
.lb-media--tall{aspect-ratio:4/5}
.lb-media--board{background-image:
  repeating-linear-gradient(0deg,rgba(46,242,210,.10) 0 1px,transparent 1px 34px),
  repeating-linear-gradient(90deg,rgba(46,242,210,.10) 0 1px,transparent 1px 34px),
  linear-gradient(140deg,var(--lb-pitch),var(--lb-night))}
.lb-media__img{display:block;width:100%;height:100%;object-fit:cover}
.lb-media__cap{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;font-family:var(--lb-font-mono);
  font-size:.7rem;letter-spacing:.06em;color:var(--lb-rice);background:linear-gradient(0deg,rgba(8,18,14,.86),transparent)}
.lb-media__tag{position:absolute;top:10px;left:10px}

/* ---------- 8. 面包屑与返回顶部 ---------- */
.lb-crumbs{margin-bottom:clamp(14px,2vw,22px)}
.lb-crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--lb-font-mono);
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--lb-cyan-gray)}
.lb-crumbs__item{display:flex;align-items:center;gap:8px}
.lb-crumbs__item:not(:last-child)::after{content:"/";color:var(--lb-clay)}
.lb-crumbs__link{color:var(--lb-cyan-gray)}
.lb-crumbs__link:hover{color:var(--lb-cyan)}

.lb-totop{position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:70;
  width:44px;height:44px;display:grid;place-items:center;cursor:pointer;
  background:var(--lb-pitch);color:var(--lb-cyan);box-shadow:inset 0 0 0 1px var(--lb-line-strong);
  opacity:0;pointer-events:none;transform:translateY(10px);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:opacity .2s ease-out,transform .2s ease-out}
.lb-totop[data-visible]{opacity:1;pointer-events:auto;transform:none}

/* ---------- 9. 头部（框架式导航） ---------- */
.lb-header{position:sticky;top:0;z-index:80;background:rgba(11,31,23,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}

.lb-skip{position:absolute;left:12px;top:-60px;z-index:200;padding:.6rem 1rem;
  background:var(--lb-orange);color:var(--lb-ink);font-weight:700;font-size:.85rem;
  transition:top .18s ease-out}
.lb-skip:focus{top:12px;color:var(--lb-ink)}

.lb-statusbar{background:var(--lb-ink);border-bottom:1px solid var(--lb-line-soft)}
.lb-statusbar__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:34px;padding-block:5px}
.lb-statusbar__tag{display:inline-flex;align-items:center;gap:9px;font-family:var(--lb-font-mono);
  font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--lb-cyan-gray);white-space:nowrap}
.lb-statusbar__ticker{font-family:var(--lb-font-mono);font-size:.7rem;letter-spacing:.05em;
  color:var(--lb-orange);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-statusbar__ticker::before{content:"//";color:var(--lb-clay);margin-right:8px}
.lb-pulse{width:7px;height:7px;flex:none;background:var(--lb-cyan);
  box-shadow:0 0 0 0 rgba(46,242,210,.65);animation:lb-pulse 2.4s ease-out infinite}
@keyframes lb-pulse{
  0%{box-shadow:0 0 0 0 rgba(46,242,210,.6)}
  70%{box-shadow:0 0 0 9px rgba(46,242,210,0)}
  100%{box-shadow:0 0 0 0 rgba(46,242,210,0)}
}

.lb-progress{position:relative;height:2px;background:rgba(110,143,135,.16);overflow:hidden}
.lb-progress__bar{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lb-cyan),var(--lb-orange));transition:transform .12s linear}

.lb-frame{border-bottom:1px solid var(--lb-line-strong)}
.lb-frame__inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(12px,2vw,28px);min-height:var(--lb-header-h)}

.lb-brand{display:inline-flex;align-items:center;gap:12px;color:var(--lb-rice)}
.lb-brand:hover{color:var(--lb-rice)}
.lb-brand__mark{width:40px;height:40px;flex:none;display:grid;place-items:center;
  font-family:var(--lb-font-mono);font-size:.88rem;font-weight:700;letter-spacing:.04em;
  color:var(--lb-cyan);background:linear-gradient(135deg,var(--lb-pitch),var(--lb-moss));
  box-shadow:inset 0 0 0 1px var(--lb-line-strong);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%)}
.lb-brand__text{display:flex;flex-direction:column;line-height:1.15}
.lb-brand__name{font-family:var(--lb-font-display);font-weight:800;font-size:1.04rem;letter-spacing:.02em}
.lb-brand__sub{font-family:var(--lb-font-mono);font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lb-cyan-gray)}

.lb-nav{justify-self:center}
.lb-nav__list{display:flex;align-items:center;gap:2px}
.lb-nav__item{display:flex}
.lb-nav__link{position:relative;display:inline-flex;align-items:center;
  padding:.6rem .82rem;font-size:.93rem;font-weight:600;color:rgba(244,240,230,.82);white-space:nowrap;
  transition:color .18s ease-out,background-color .18s ease-out}
.lb-nav__link::after{content:"";position:absolute;left:10px;right:10px;bottom:5px;height:2px;
  background:var(--lb-cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease-out}
.lb-nav__link:hover,.lb-nav__link:focus-visible{color:var(--lb-rice);background:var(--lb-pitch)}
.lb-nav__link:hover::after,.lb-nav__link:focus-visible::after{transform:scaleX(1)}
.lb-nav__link[aria-current="page"]{color:var(--lb-cyan);background:var(--lb-pitch)}
.lb-nav__link[aria-current="page"]::after{background:var(--lb-orange);transform:scaleX(1)}
.lb-nav__link:focus-visible{outline:2px solid var(--lb-cyan);outline-offset:-3px}

.lb-side{display:flex;align-items:center;gap:10px}
.lb-navtoggle{display:none;align-items:center;gap:9px;padding:.5rem .7rem;cursor:pointer;
  background:transparent;box-shadow:inset 0 0 0 1px var(--lb-line-strong);color:var(--lb-rice);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px)}
.lb-navtoggle__bars{position:relative;width:18px;height:2px;flex:none;background:var(--lb-cyan);
  transition:transform .2s ease-out,background-color .2s ease-out}
.lb-navtoggle__bars::before,.lb-navtoggle__bars::after{content:"";position:absolute;left:0;
  width:18px;height:2px;background:var(--lb-cyan);transition:transform .2s ease-out,opacity .2s ease-out}
.lb-navtoggle__bars::before{top:-6px}
.lb-navtoggle__bars::after{top:6px}
.lb-navtoggle__label{font-family:var(--lb-font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.lb-navtoggle[aria-expanded="true"]{box-shadow:inset 0 0 0 1px var(--lb-orange)}
.lb-navtoggle[aria-expanded="true"] .lb-navtoggle__label{color:var(--lb-orange)}
.lb-navtoggle[aria-expanded="true"] .lb-navtoggle__bars{background:transparent}
.lb-navtoggle[aria-expanded="true"] .lb-navtoggle__bars::before{transform:translateY(6px) rotate(45deg);background:var(--lb-orange)}
.lb-navtoggle[aria-expanded="true"] .lb-navtoggle__bars::after{transform:translateY(-6px) rotate(-45deg);background:var(--lb-orange)}
.lb-navtoggle:focus-visible{outline:2px solid var(--lb-cyan);outline-offset:2px}

/* ---------- 10. 页脚 ---------- */
.lb-footer{position:relative;margin-top:clamp(40px,6vw,80px);background:var(--lb-ink);
  border-top:1px solid var(--lb-line)}
.lb-footer__strip{height:3px;background:linear-gradient(90deg,
  var(--lb-cyan) 0 26%,var(--lb-orange) 26% 38%,var(--lb-clay) 38% 45%,var(--lb-moss) 45% 52%,transparent 52% 100%)}
.lb-footer__inner{padding-block:clamp(34px,5vw,64px) clamp(20px,3vw,32px)}
.lb-footer__grid{display:grid;grid-template-columns:1.35fr .8fr 1fr;gap:clamp(20px,4vw,52px)}
.lb-footer__brand{display:flex;flex-direction:column;gap:12px}
.lb-footer__wordmark{font-family:var(--lb-font-display);font-weight:900;font-size:clamp(1.5rem,3vw,2.1rem);
  letter-spacing:-.02em;color:var(--lb-rice)}
.lb-footer__tagline{font-family:var(--lb-font-mono);font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lb-cyan)}
.lb-footer__title{font-family:var(--lb-font-mono);font-size:.72rem;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--lb-cyan-gray);margin-bottom:14px}
.lb-footer__list{display:grid;gap:9px}
.lb-footer__list--inline{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.lb-footer__link{position:relative;font-size:.92rem;color:rgba(244,240,230,.8)}
.lb-footer__link::before{content:"›";color:var(--lb-clay);margin-right:8px}
.lb-footer__link:hover{color:var(--lb-orange)}
.lb-footer__contact{display:grid;gap:10px}
.lb-footer__row{display:flex;gap:12px;align-items:baseline;border-bottom:1px dashed var(--lb-line-soft);padding-bottom:8px}
.lb-footer__key{flex:none;min-width:2.6em;font-family:var(--lb-font-mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--lb-cyan)}
.lb-footer__val{font-family:var(--lb-font-mono);font-size:.82rem;color:rgba(244,240,230,.88);word-break:break-all}
.lb-footer__note{margin-top:clamp(22px,3vw,34px);max-width:70ch;font-size:.82rem;line-height:1.8;color:var(--lb-cyan-gray)}
.lb-footer__meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:16px;border-top:1px solid var(--lb-line)}
.lb-footer__copy,.lb-footer__icp{font-family:var(--lb-font-mono);font-size:.74rem;letter-spacing:.06em;
  color:var(--lb-cyan-gray)}
.lb-footer__icp{color:var(--lb-rock)}

/* ---------- 11. 显现动效 ---------- */
.lb-reveal{transition:opacity .34s ease-out,transform .34s ease-out;transition-delay:var(--lb-reveal-delay,0ms)}
.lb-js .lb-reveal{opacity:0;transform:translateY(16px)}
.lb-js .lb-reveal[data-reveal-in]{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (min-width:901px){
  .lb-statusbar__inner,.lb-frame__inner{border-inline:1px solid var(--lb-line)}
}
@media (max-width:1100px){
  .lb-nav__link{padding:.55rem .6rem;font-size:.88rem}
  .lb-footer__grid{grid-template-columns:1.2fr 1fr;grid-auto-rows:auto}
  .lb-footer__col--contact{grid-column:span 2}
}
@media (max-width:900px){
  .lb-side .lb-btn{display:none}
  .lb-navtoggle{display:inline-flex}
  .lb-frame__inner{grid-template-columns:auto auto;justify-content:space-between}
  .lb-nav{position:absolute;left:0;right:0;top:100%;justify-self:stretch;display:none;
    padding:10px clamp(16px,4vw,40px) 22px;
    background:var(--lb-night);border-bottom:1px solid var(--lb-line-strong);
    box-shadow:0 26px 46px rgba(3,12,9,.6)}
  .lb-nav[data-open]{display:block;animation:lb-panel-in .24s ease-out}
  @keyframes lb-panel-in{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  .lb-nav__list{flex-direction:column;align-items:stretch;gap:0;counter-reset:lb-navidx}
  .lb-nav__link{display:flex;align-items:center;padding:13px 2px;font-size:1.02rem;
    border-bottom:1px solid var(--lb-line-soft);background:transparent}
  .lb-nav__link::after{display:none}
  .lb-nav__link::before{counter-increment:lb-navidx;content:"0" counter(lb-navidx);
    font-family:var(--lb-font-mono);font-size:.72rem;color:var(--lb-cyan-gray);margin-right:14px}
  .lb-nav__link:hover,.lb-nav__link[aria-current="page"]{background:rgba(46,242,210,.06)}
  .lb-nav__link[aria-current="page"]::before{color:var(--lb-orange)}
}
@media (max-width:760px){
  .lb-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .lb-col-3,.lb-col-4,.lb-col-5,.lb-col-6,.lb-col-7,.lb-col-8{grid-column:span 6}
  .lb-col-12{grid-column:span 6}
  .lb-statusbar__inner{flex-direction:column;align-items:flex-start;gap:2px;padding-block:7px}
  .lb-statusbar__ticker{font-size:.66rem;max-width:100%}
  .lb-footer__grid{grid-template-columns:1fr}
  .lb-footer__col--contact{grid-column:auto}
  .lb-footer__meta{flex-direction:column;align-items:flex-start}
  .lb-totop{width:40px;height:40px}
}

/* ---------- 13. 减弱动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .lb-pulse{animation:none}
  .lb-progress__bar{transition:none}
  .lb-nav[data-open]{animation:none}
  .lb-reveal{transition:none}
  .lb-js .lb-reveal{opacity:1;transform:none}
  .lb-btn:hover{transform:none}
  .lb-totop{transition:opacity .12s linear}
  .lb-totop[data-visible]{transform:none}
}