/* /assets/site.css — 乐动赛场 共享外壳样式 */

:root{
  --ld-ink:#0B2A24;
  --ld-ink-2:#123B32;
  --ld-ink-3:#0E332B;
  --ld-cyan:#19E3C2;
  --ld-cyan-soft:#7FF5E1;
  --ld-cyan-deep:#0A8574;
  --ld-flame:#FF5A36;
  --ld-amber:#FFB347;
  --ld-mist:#E8F0EA;
  --ld-paper:#F5F8F5;
  --ld-slate:#52665E;
  --ld-white:#FFFFFF;

  --ld-rail:264px;
  --ld-topbar:62px;
  --ld-shell:1240px;
  --ld-gutter:clamp(1.15rem,4vw,3.25rem);
  --ld-break:900px;

  --ld-font-display:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --ld-font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ld-font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --ld-hair:1px solid rgba(11,42,36,.12);
  --ld-hair-dark:1px solid rgba(127,245,225,.15);
  --ld-shadow:0 1px 2px rgba(11,42,36,.05),0 18px 44px -34px rgba(11,42,36,.55);
  --ld-radius:2px;
  --ld-ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  background:var(--ld-paper);
  color:var(--ld-ink);
  font-family:var(--ld-font-body);
  font-size:16px;
  line-height:1.65;
  letter-spacing:.01em;
  -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{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
[hidden]{display:none !important;}

:focus-visible{outline:2px solid var(--ld-cyan);outline-offset:3px;border-radius:2px;}
.ld-footer :focus-visible{outline-color:var(--ld-cyan-soft);}

.ld-mono{font-family:var(--ld-font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 容器 ---------- */
.ld-shell{
  width:100%;
  max-width:var(--ld-shell);
  margin-inline:auto;
  padding-inline:var(--ld-gutter);
}
.ld-section{padding:clamp(3.25rem,7vw,6rem) 0;}
.ld-section--tight{padding:clamp(1.85rem,4vw,3.15rem) 0;}
.ld-section--dark{background:var(--ld-ink);color:rgba(232,240,234,.82);}
.ld-section--dark h1,.ld-section--dark h2,.ld-section--dark h3{color:var(--ld-white);}
.ld-section--mist{background:var(--ld-mist);}
.ld-main{display:block;}

/* ---------- 排版基元 ---------- */
.ld-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--ld-font-mono);
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ld-cyan-deep);
}
.ld-eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:none;}
.ld-eyebrow--onDark{color:var(--ld-cyan);}
.ld-display{
  font-family:var(--ld-font-display);
  font-weight:900;
  font-size:clamp(2.1rem,6vw,4.4rem);
  line-height:1.03;
  letter-spacing:-.045em;
  color:var(--ld-ink);
}
.ld-section--dark .ld-display{color:var(--ld-white);}
.ld-lede{
  font-size:clamp(1rem,1.4vw,1.13rem);
  line-height:1.7;
  color:var(--ld-slate);
  max-width:62ch;
}
.ld-section--dark .ld-lede{color:rgba(232,240,234,.72);}

.ld-prose{max-width:70ch;}
.ld-prose p{margin-bottom:1.05em;color:var(--ld-slate);}
.ld-prose h2{margin:2.3em 0 .6em;font-family:var(--ld-font-display);font-weight:900;font-size:clamp(1.35rem,2.3vw,1.85rem);letter-spacing:-.03em;line-height:1.15;}
.ld-prose h3{margin:1.7em 0 .45em;font-family:var(--ld-font-display);font-weight:900;font-size:1.08rem;letter-spacing:-.01em;}
.ld-prose a{color:var(--ld-cyan-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.ld-prose a:hover{color:var(--ld-flame);}
.ld-prose ul{margin-bottom:1.1em;}
.ld-prose li{position:relative;padding-left:1.15rem;margin-bottom:.5em;color:var(--ld-slate);}
.ld-prose li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--ld-cyan);}
.ld-section--dark .ld-prose p,.ld-section--dark .ld-prose li{color:rgba(232,240,234,.75);}

/* ---------- 跳转链接 ---------- */
.ld-skip{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:.62rem 1.05rem;
  background:var(--ld-cyan);color:var(--ld-ink);
  font-size:.8rem;font-weight:700;letter-spacing:.06em;
  border-radius:var(--ld-radius);
  opacity:0;visibility:hidden;
  transition:opacity .18s var(--ld-ease),visibility .18s;
}
.ld-skip:focus,.ld-skip:focus-visible{opacity:1;visibility:visible;outline:2px solid var(--ld-ink);outline-offset:2px;}

/* ---------- 品牌 ---------- */
.ld-brand{display:block;}
.ld-brand__mark{
  position:relative;display:block;
  width:40px;height:40px;margin-bottom:1.05rem;
  border:1px solid rgba(25,227,194,.45);
  background:linear-gradient(150deg,rgba(25,227,194,.14),rgba(25,227,194,0));
}
.ld-brand__mark::before{
  content:"";position:absolute;left:9px;right:9px;top:50%;
  height:1px;background:var(--ld-cyan);
  transform:rotate(-17deg);
  box-shadow:0 7px 0 -0.4px rgba(127,245,225,.4),0 -7px 0 -0.4px rgba(127,245,225,.4);
}
.ld-brand__mark::after{
  content:"";position:absolute;right:6px;bottom:6px;
  width:5px;height:5px;background:var(--ld-flame);
}
.ld-brand__text{display:block;}
.ld-brand__name{
  display:block;
  font-family:var(--ld-font-display);
  font-weight:900;
  font-size:1.2rem;
  letter-spacing:.02em;
  color:var(--ld-white);
  line-height:1.2;
}
.ld-brand__sub{
  display:block;
  margin-top:.5rem;
  font-size:.73rem;
  line-height:1.55;
  letter-spacing:.05em;
  color:rgba(232,240,234,.58);
}

/* ---------- 标签 / 按钮 ---------- */
.ld-tag{
  display:inline-flex;align-items:center;
  padding:.22rem .55rem;
  border:1px solid currentColor;
  border-radius:999px;
  font-family:var(--ld-font-mono);
  font-size:.66rem;letter-spacing:.12em;line-height:1.6;
  white-space:nowrap;
}
.ld-tag--cyan{color:var(--ld-cyan);}
.ld-tag--flame{color:#FF8164;}
.ld-tag--amber{color:var(--ld-amber);}
.ld-tag--plain{color:var(--ld-slate);}

.ld-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.72rem 1.1rem;
  border:1px solid rgba(25,227,194,.5);
  border-radius:var(--ld-radius);
  background:linear-gradient(135deg,rgba(25,227,194,.18),rgba(25,227,194,0));
  color:var(--ld-white);
  font-size:.82rem;letter-spacing:.07em;
  text-align:center;
  transition:background-color .25s var(--ld-ease),color .25s var(--ld-ease),border-color .25s var(--ld-ease),transform .25s var(--ld-ease);
}
.ld-btn:hover{background-color:var(--ld-cyan);background-image:none;border-color:var(--ld-cyan);color:var(--ld-ink);transform:translateY(-1px);}
.ld-btn--rail{width:100%;}
.ld-btn--flame{border-color:rgba(255,90,54,.55);background-image:linear-gradient(135deg,rgba(255,90,54,.22),rgba(255,90,54,0));}
.ld-btn--flame:hover{background-color:var(--ld-flame);border-color:var(--ld-flame);color:var(--ld-white);}

/* ---------- 头部：边线轨道 ---------- */
.ld-header{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--ld-rail);
  z-index:90;
  display:flex;
  flex-direction:column;
  background:var(--ld-ink);
  color:var(--ld-mist);
  border-right:var(--ld-hair-dark);
  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior:contain;
}
.ld-header::before{
  content:"";position:absolute;top:0;left:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--ld-cyan) 0%,rgba(25,227,194,.35) 46%,var(--ld-flame) 70%,rgba(255,90,54,0) 100%);
  pointer-events:none;
}
.ld-header__brand{
  padding:2.15rem 1.6rem 1.75rem;
  border-bottom:var(--ld-hair-dark);
}

.ld-nav{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  padding:1.35rem 0 .5rem;
  min-height:0;
}
.ld-nav__list{display:flex;flex-direction:column;flex:1 1 auto;}
.ld-nav__item{display:block;}
.ld-nav__link{
  position:relative;
  display:flex;align-items:baseline;gap:.8rem;
  padding:.72rem 1.6rem .72rem 1.5rem;
  font-size:.95rem;letter-spacing:.03em;
  color:rgba(232,240,234,.68);
  transition:color .25s var(--ld-ease),background-color .25s var(--ld-ease);
}
.ld-nav__link::before{
  content:"";position:absolute;left:0;top:50%;
  width:2px;height:0;
  background:var(--ld-cyan);
  transform:translateY(-50%);
  transition:height .28s var(--ld-ease);
}
.ld-nav__link:hover{color:var(--ld-white);background-color:rgba(25,227,194,.06);}
.ld-nav__link:hover::before{height:58%;}
.ld-nav__link[aria-current="page"]{
  color:var(--ld-white);
  background-image:linear-gradient(90deg,rgba(25,227,194,.16),rgba(25,227,194,0));
}
.ld-nav__link[aria-current="page"]::before{height:100%;}
.ld-nav__index{
  font-family:var(--ld-font-mono);
  font-size:.66rem;letter-spacing:.1em;
  color:rgba(127,245,225,.5);
  flex:none;
}
.ld-nav__link[aria-current="page"] .ld-nav__index{color:var(--ld-cyan);}
.ld-nav__label{display:block;}
.ld-nav__foot{
  margin-top:1.35rem;
  padding:1.4rem 1.6rem 2rem;
  border-top:var(--ld-hair-dark);
  display:flex;flex-direction:column;gap:.9rem;
}
.ld-nav__meta{display:flex;flex-wrap:wrap;gap:.4rem;}

.ld-navtoggle{display:none;}

/* ---------- 页脚 ---------- */
.ld-footer{
  position:relative;
  margin-top:clamp(3.5rem,8vw,6.5rem);
  background:var(--ld-ink);
  color:rgba(232,240,234,.72);
  overflow:hidden;
}
.ld-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--ld-cyan) 0%,var(--ld-cyan) 34%,var(--ld-flame) 62%,rgba(255,179,71,.25) 100%);
}
.ld-footer__glow{
  position:absolute;
  top:-32%;right:-14%;
  width:min(640px,72vw);
  aspect-ratio:1;
  background:radial-gradient(circle at 50% 50%,rgba(25,227,194,.17),rgba(25,227,194,0) 62%);
  pointer-events:none;
}
.ld-footer__inner{
  position:relative;
  width:100%;
  max-width:var(--ld-shell);
  margin-inline:auto;
  padding:clamp(2.75rem,6vw,4.5rem) var(--ld-gutter) clamp(2.25rem,5vw,3.25rem);
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(2rem,4vw,3.25rem);
}
.ld-footer__logo{
  font-family:var(--ld-font-display);
  font-weight:900;
  font-size:clamp(1.6rem,3.4vw,2.3rem);
  letter-spacing:-.035em;
  line-height:1.05;
  color:var(--ld-white);
}
.ld-footer__line{
  margin-top:.7rem;
  font-size:.83rem;letter-spacing:.06em;
  color:rgba(127,245,225,.75);
}
.ld-footer__note{
  margin-top:.9rem;
  max-width:34ch;
  font-size:.82rem;line-height:1.7;
  color:rgba(232,240,234,.58);
}
.ld-footer__stamp{margin-top:1.15rem;}

.ld-footer__nav{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:clamp(1.25rem,3vw,2rem);
}
.ld-footer__colTitle{
  margin:0 0 1rem;
  font-family:var(--ld-font-mono);
  font-size:.68rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(127,245,225,.72);
  line-height:1.5;
}
.ld-footer__list{display:flex;flex-direction:column;gap:.15rem;}
.ld-footer__link{
  position:relative;
  display:inline-block;
  padding:.2rem 0;
  font-size:.9rem;
  color:rgba(232,240,234,.72);
  transition:color .22s var(--ld-ease);
}
.ld-footer__link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--ld-cyan);
  transition:width .26s var(--ld-ease);
}
.ld-footer__link:hover{color:var(--ld-white);}
.ld-footer__link:hover::after{width:100%;}

.ld-footer__meta{display:flex;flex-direction:column;}
.ld-footer__metaRow{
  display:grid;
  grid-template-columns:5.4rem minmax(0,1fr);
  gap:.7rem;
  padding:.55rem 0;
  border-bottom:1px solid rgba(127,245,225,.11);
  font-size:.84rem;
}
.ld-footer__k{
  font-family:var(--ld-font-mono);
  font-size:.7rem;letter-spacing:.08em;
  color:rgba(127,245,225,.58);
  padding-top:.12rem;
}
.ld-footer__v{color:rgba(232,240,234,.84);word-break:break-word;line-height:1.6;}

.ld-footer__base{
  position:relative;
  border-top:1px solid rgba(127,245,225,.13);
  background:rgba(0,0,0,.2);
}
.ld-footer__baseInner{
  width:100%;
  max-width:var(--ld-shell);
  margin-inline:auto;
  padding:1.05rem var(--ld-gutter);
  display:flex;flex-wrap:wrap;
  gap:.5rem 1.5rem;
  align-items:center;justify-content:space-between;
  font-size:.78rem;
  color:rgba(232,240,234,.58);
}
.ld-footer__icp{font-family:var(--ld-font-mono);font-size:.72rem;letter-spacing:.06em;}
.ld-footer__copy .ld-mono{color:rgba(127,245,225,.8);}

/* ---------- 面包屑 ---------- */
.ld-crumbs{padding-top:clamp(1.1rem,2.4vw,1.75rem);}
.ld-crumbs__list{
  display:flex;flex-wrap:wrap;align-items:center;
  font-family:var(--ld-font-mono);
  font-size:.72rem;letter-spacing:.06em;
  color:var(--ld-slate);
}
.ld-crumbs__item:not(:last-child)::after{
  content:"/";margin-inline:.55rem;
  color:rgba(11,42,36,.26);
}
.ld-crumbs__link{color:var(--ld-slate);transition:color .2s var(--ld-ease);}
.ld-crumbs__link:hover{color:var(--ld-cyan-deep);}
.ld-crumbs__current{color:var(--ld-ink);}

/* ---------- 布局网格 ---------- */
.ld-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(1.5rem,3vw,2.75rem);
  align-items:start;
}
@media (min-width:1024px){
  .ld-layout{grid-template-columns:minmax(0,1fr) minmax(240px,320px);}
  .ld-layout--reverse{grid-template-columns:minmax(220px,300px) minmax(0,1fr);}
  .ld-layout--reverse > :first-child{order:0;}
}

/* ---------- 卡片与数据 ---------- */
.ld-card{
  position:relative;
  background:var(--ld-white);
  border:var(--ld-hair);
  border-radius:var(--ld-radius);
  padding:clamp(1.15rem,2.2vw,1.7rem);
  box-shadow:0 1px 2px rgba(11,42,36,.04);
  transition:border-color .25s var(--ld-ease),box-shadow .25s var(--ld-ease),transform .25s var(--ld-ease);
}
.ld-card:hover{
  border-color:rgba(25,227,194,.55);
  box-shadow:0 22px 48px -38px rgba(11,42,36,.7);
  transform:translateY(-2px);
}
.ld-section--dark .ld-card{background:var(--ld-ink-2);border-color:rgba(127,245,225,.16);}

.ld-stat{display:flex;flex-direction:column;gap:.35rem;}
.ld-stat__value{
  font-family:var(--ld-font-mono);
  font-weight:700;
  font-size:clamp(1.85rem,3.6vw,2.7rem);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ld-ink);
}
.ld-section--dark .ld-stat__value{color:var(--ld-white);}
.ld-stat__value--cyan{color:var(--ld-cyan-deep);}
.ld-stat__value--flame{color:#C93B1C;}
.ld-section--dark .ld-stat__value--cyan{color:var(--ld-cyan);}
.ld-stat__label{
  font-family:var(--ld-font-mono);
  font-size:.7rem;letter-spacing:.1em;
  color:var(--ld-slate);
}
.ld-section--dark .ld-stat__label{color:rgba(127,245,225,.62);}

.ld-chip{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.3rem .62rem;
  border:1px solid rgba(11,42,36,.18);
  border-radius:999px;
  background:var(--ld-white);
  font-family:var(--ld-font-mono);
  font-size:.7rem;letter-spacing:.08em;
  color:var(--ld-slate);
}
.ld-chip--cyan{border-color:rgba(12,140,121,.4);color:var(--ld-cyan-deep);background:rgba(25,227,194,.1);}
.ld-chip--flame{border-color:rgba(255,90,54,.5);color:#C93B1C;background:rgba(255,90,54,.08);}
.ld-chip--amber{border-color:rgba(255,179,71,.6);color:#8A5A05;background:rgba(255,179,71,.16);}

/* ---------- 筛选 ---------- */
.ld-filters{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:.5rem;
  padding:.75rem 0;
}
.ld-filter{
  padding:.45rem .92rem;
  border:1px solid rgba(11,42,36,.16);
  border-radius:999px;
  font-size:.78rem;letter-spacing:.06em;
  color:var(--ld-slate);
  background:transparent;
  transition:background-color .22s var(--ld-ease),color .22s var(--ld-ease),border-color .22s var(--ld-ease);
}
.ld-filter:hover{border-color:var(--ld-cyan-deep);color:var(--ld-ink);}
.ld-filter[aria-pressed="true"]{
  background-color:var(--ld-ink);
  border-color:var(--ld-ink);
  color:var(--ld-cyan);
}

/* ---------- 图片容器 ---------- */
.ld-media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/9;
  border:var(--ld-hair);
  border-radius:var(--ld-radius);
  background-color:var(--ld-ink-2);
  background-image:
    linear-gradient(rgba(127,245,225,.1) 1px,transparent 1px),
    linear-gradient(90deg,rgba(127,245,225,.1) 1px,transparent 1px);
  background-size:58px 58px,58px 58px;
}
.ld-media > img,
.ld-media > picture > img,
.ld-media > svg{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.ld-media--wide{aspect-ratio:21/9;}
.ld-media--square{aspect-ratio:1;}
.ld-media--tall{aspect-ratio:3/4;}
.ld-media--split{clip-path:polygon(0 0,100% 0,100% 82%,0 100%);}
.ld-media__caption{
  display:flex;align-items:center;gap:.5rem;
  margin-top:.7rem;
  font-family:var(--ld-font-mono);
  font-size:.72rem;letter-spacing:.06em;
  color:var(--ld-slate);
}
.ld-media__caption::before{
  content:"";width:18px;height:1px;background:var(--ld-cyan);flex:none;
}

/* ---------- 显现 ---------- */
.ld-reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s var(--ld-ease),transform .6s var(--ld-ease);
}
.ld-reveal.is-in{opacity:1;transform:none;}

/* ---------- 滚动进度与返回顶部 ---------- */
.ld-progress{
  position:fixed;
  top:0;right:0;bottom:0;
  width:3px;
  z-index:120;
  pointer-events:none;
  background:rgba(11,42,36,.07);
}
.ld-progress__bar{
  display:block;
  width:100%;height:0;
  background:linear-gradient(180deg,var(--ld-cyan) 0%,var(--ld-cyan) 58%,var(--ld-flame) 100%);
  transition:height .1s linear;
}
.ld-totop{
  position:fixed;
  right:clamp(.9rem,2.6vw,1.9rem);
  bottom:clamp(.9rem,2.6vw,1.9rem);
  z-index:110;
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1px solid rgba(25,227,194,.5);
  border-radius:var(--ld-radius);
  background:var(--ld-ink);
  color:var(--ld-cyan);
  font-size:1rem;line-height:1;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s var(--ld-ease),transform .3s var(--ld-ease),visibility .3s;
}
.ld-totop.is-visible{opacity:1;visibility:visible;transform:none;}
.ld-totop:hover{background:var(--ld-cyan);color:var(--ld-ink);}

/* ---------- 桌面断点 ---------- */
@media (min-width:901px){
  body{padding-left:var(--ld-rail);}
  .ld-header{overflow-y:auto;}
}
@media (min-width:760px){
  .ld-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);}
  .ld-footer__contact{grid-column:1 / -1;}
}
@media (min-width:1080px){
  .ld-footer__inner{grid-template-columns:minmax(220px,1fr) minmax(0,1.5fr) minmax(280px,1.1fr);}
  .ld-footer__contact{grid-column:auto;}
}

/* ---------- 移动端抽屉 ---------- */
@media (max-width:900px){
  body{padding-left:0;}
  .ld-header{
    position:sticky;
    top:0;left:0;right:0;bottom:auto;
    width:100%;
    height:var(--ld-topbar);
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:0 1rem 0 1.15rem;
    border-right:0;
    border-bottom:var(--ld-hair-dark);
    overflow:visible;
  }
  .ld-header::before{
    top:auto;bottom:0;left:0;right:0;width:100%;height:2px;
    background:linear-gradient(90deg,var(--ld-cyan),var(--ld-flame) 78%,rgba(255,179,71,.2));
  }
  .ld-header__brand{padding:0;border:0;flex:none;}
  .ld-brand{display:flex;align-items:center;gap:.65rem;}
  .ld-brand__mark{width:26px;height:26px;margin:0;}
  .ld-brand__mark::before{left:5px;right:5px;box-shadow:0 5px 0 -0.4px rgba(127,245,225,.4),0 -5px 0 -0.4px rgba(127,245,225,.4);}
  .ld-brand__mark::after{right:4px;bottom:4px;width:4px;height:4px;}
  .ld-brand__text{display:flex;align-items:center;gap:.55rem;}
  .ld-brand__name{font-size:1rem;letter-spacing:.03em;}
  .ld-brand__sub{display:none;}

  .ld-navtoggle{
    display:inline-flex;align-items:center;gap:.6rem;
    padding:.5rem .78rem;
    border:1px solid rgba(25,227,194,.4);
    border-radius:var(--ld-radius);
    color:var(--ld-mist);
    font-size:.78rem;letter-spacing:.1em;
    transition:background-color .22s var(--ld-ease);
  }
  .ld-navtoggle:hover{background-color:rgba(25,227,194,.12);}
  .ld-navtoggle__bars{display:flex;flex-direction:column;justify-content:center;gap:4px;width:16px;height:12px;}
  .ld-navtoggle__bars span{display:block;height:1px;background:var(--ld-cyan);transition:transform .28s var(--ld-ease),opacity .2s var(--ld-ease);}
  .ld-header[data-open] .ld-navtoggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg);}
  .ld-header[data-open] .ld-navtoggle__bars span:nth-child(2){opacity:0;}
  .ld-header[data-open] .ld-navtoggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

  .ld-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    width:min(84vw,336px);
    z-index:80;
    background:var(--ld-ink);
    border-right:var(--ld-hair-dark);
    padding:calc(var(--ld-topbar) + 1.25rem) 0 1.5rem;
    overflow-y:auto;
    transform:translateX(-102%);
    transition:transform .34s var(--ld-ease);
    box-shadow:0 26px 60px -32px rgba(11,42,36,.85);
    flex-direction:column;
  }
  .ld-header[data-open] .ld-nav{transform:translateX(0);}
  .ld-nav__list{flex:1 1 auto;}

  .ld-header::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:70;
    background:rgba(11,42,36,.55);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s var(--ld-ease);
  }
  .ld-header[data-open]::after{opacity:1;pointer-events:auto;}

  .ld-progress{width:2px;}

  .ld-footer__metaRow{grid-template-columns:4.8rem minmax(0,1fr);}
}

/* ---------- 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;
  }
  .ld-reveal{opacity:1;transform:none;}
  .ld-nav{transition:none;}
  .ld-progress__bar{transition:none;}
}