:root{
  --ink-900:#071426;
  --ink-800:#0E2440;
  --cyan:#24E0D2;
  --cyan-soft:#5CF0E4;
  --lime:#C8FF3D;
  --amber:#FF9E4A;
  --mist:#9FB6CC;
  --white:#F2F7FB;
  --paper:#F0E9DC;
  --paper-ink:#131A1F;
  --glass:rgba(36,224,210,.12);
  --glass-strong:rgba(36,224,210,.2);
  --glass-line:rgba(36,224,210,.34);
  --line:rgba(159,182,204,.22);
  --font-body:"Noto Sans SC","PingFang SC","Source Han Sans SC","Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-capsule:999px;
  --r-card:18px;
  --slant:3.5vw;
  --ease:cubic-bezier(.22,.68,.28,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:6rem;
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:1rem;
  font-weight:400;
  line-height:1.8;
  color:var(--white);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(120% 78% at 84% -12%, rgba(36,224,210,.17), transparent 58%),
    radial-gradient(90% 62% at 2% 106%, rgba(200,255,61,.08), transparent 60%),
    repeating-linear-gradient(90deg, rgba(159,182,204,.045) 0 1px, transparent 1px 104px);
  overflow-x:hidden;
}

body.is-locked{overflow:hidden}

img{display:block;max-width:100%;height:auto}

a{color:var(--cyan);text-decoration:none}

button,input,select,textarea{font:inherit;color:inherit}

h1,h2,h3,h4{margin:0 0 .6em;font-weight:300;line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.6rem,7vw,6.4rem);line-height:.96;letter-spacing:-.03em}
h2{font-size:clamp(1.7rem,3.4vw,3rem)}
h3{font-size:clamp(1.1rem,1.8vw,1.5rem);font-weight:500;letter-spacing:-.01em}

p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

main{padding-top:5.6rem}

/* ---------- 容器与通用排版 ---------- */
.shell{width:min(1320px,calc(100% - 2.5rem));margin-inline:auto}
.shell--narrow{width:min(880px,calc(100% - 2.5rem));margin-inline:auto}

.index-label{
  display:inline-block;
  margin:0 0 .8rem;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--lime);
}

.prose{max-width:34em}
.prose p{color:var(--mist)}
.prose strong{color:var(--white);font-weight:600}
.prose--wide{max-width:52em}

.divider{
  height:1px;
  margin:clamp(2rem,4vw,3.4rem) 0;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  padding:.82rem 1.5rem;
  border:1px solid transparent;
  border-radius:var(--r-capsule);
  font-size:.94rem;
  font-weight:500;
  line-height:1;
  cursor:pointer;
  background:transparent;
  color:var(--white);
  transition:transform .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04212A}
.btn--primary:hover{background:var(--cyan-soft);color:#04212A}
.btn--ghost{border-color:var(--line);background:rgba(14,36,64,.55);color:var(--white)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn--lime{background:var(--lime);border-color:var(--lime);color:#17250A}
.btn--lime:hover{background:#DBFF7A;color:#17250A}

/* ---------- 层级组件 ---------- */
.panel,.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
}
.panel{padding:clamp(1.2rem,3vw,2rem)}
.card{padding:1.5rem;transition:transform .28s var(--ease),border-color .28s var(--ease),background-color .28s var(--ease)}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--glass-line);
  background:linear-gradient(155deg,var(--ink-800),rgba(36,224,210,.09));
}
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:1.05rem 1.25rem;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

/* ---------- 标签与数据 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.24rem .7rem;
  border:1px solid var(--line);
  border-radius:var(--r-capsule);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  color:var(--mist);
}
.tag--live{border-color:rgba(255,158,74,.5);background:rgba(255,158,74,.1);color:var(--amber)}
.tag--key{border-color:rgba(200,255,61,.45);background:rgba(200,255,61,.1);color:var(--lime)}
.tag--cyan{border-color:var(--glass-line);background:var(--glass);color:var(--cyan)}

.data-figure{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(1.6rem,4vw,2.6rem);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--lime);
}

.data-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:1rem;
  padding:.6rem 0;
  border-bottom:1px dashed var(--line);
  font-family:var(--font-mono);
  font-size:.86rem;
  font-variant-numeric:tabular-nums;
  color:var(--mist);
}
.data-row b{font-weight:600;color:var(--white)}

/* ---------- 章节 ---------- */
.section{padding:clamp(3.2rem,7vw,6.4rem) 0}
.section--deep{background:var(--ink-800)}
.section--paper{background:var(--paper);color:var(--paper-ink)}
.section--paper h1,.section--paper h2,.section--paper h3{color:var(--paper-ink)}
.section--paper .index-label{color:#0B6F69}
.section--paper .prose p{color:#3E4C57}
.section--paper .prose strong{color:var(--paper-ink)}
.section--paper .card{background:#FFFFFF;border-color:rgba(19,26,31,.12);color:var(--paper-ink)}
.section--paper .card:hover{background:#FFFDF8;border-color:rgba(11,111,105,.4)}
.section--paper .media-caption{color:#5B6A75}
.section--paper .data-row{color:#5B6A75;border-bottom-color:rgba(19,26,31,.16)}
.section--paper .data-row b{color:var(--paper-ink)}
.section--slant{
  clip-path:polygon(0 0,100% var(--slant),100% 100%,0 calc(100% - var(--slant)));
  padding-block:calc(clamp(3.2rem,7vw,6.4rem) + var(--slant));
}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:1.4rem}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr)}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(150deg,var(--ink-800),#04101F);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,20,38,0) 44%,rgba(7,20,38,.74));
}
.media-frame--plain::after{content:none}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--banner{aspect-ratio:21/9}
.media-caption{
  margin:.7rem 0 0;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  color:var(--mist);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  margin:0 0 1.4rem;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--mist);
}
.breadcrumb a{color:var(--mist)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--lime)}
.breadcrumb-sep{color:rgba(159,182,204,.45)}

/* ---------- 跳转与进度 ---------- */
.skip-link{
  position:fixed;
  left:50%;
  top:-4.5rem;
  z-index:90;
  transform:translateX(-50%);
  padding:.62rem 1.15rem;
  border-radius:var(--r-capsule);
  background:var(--lime);
  color:#17250A;
  font-size:.86rem;
  font-weight:600;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:.7rem}
.skip-link:focus-visible{outline-color:var(--paper-ink)}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:85;
  width:100%;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--lime));
  pointer-events:none;
}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  padding:.85rem clamp(.8rem,2.4vw,1.8rem);
  pointer-events:none;
}
.header-shell{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:.7rem;
  width:100%;
  max-width:1340px;
  pointer-events:auto;
}

.brand-cluster,
.nav-capsule,
.header-actions{
  display:flex;
  align-items:center;
  gap:.65rem;
  padding:.42rem .7rem;
  border:1px solid rgba(36,224,210,.16);
  border-radius:var(--r-capsule);
  background:rgba(14,36,64,.74);
  box-shadow:0 14px 34px rgba(3,10,20,.5);
  backdrop-filter:blur(16px) saturate(1.1);
  -webkit-backdrop-filter:blur(16px) saturate(1.1);
  transition:background-color .3s var(--ease),border-color .3s var(--ease),padding .3s var(--ease);
}
.brand-cluster{padding-left:.5rem}
.nav-capsule{justify-self:center;gap:.25rem;padding:.32rem .42rem}
.header-actions{padding:.38rem .42rem .38rem .35rem}

.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--white)}
.brand-mark{
  display:grid;
  place-items:center;
  width:2rem;
  height:2rem;
  border-radius:.7rem;
  background:linear-gradient(150deg,var(--cyan),#0E8F88);
  color:#04212A;
  font-size:.98rem;
  font-weight:700;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:1rem;font-weight:600;letter-spacing:.06em}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.16em;
  color:var(--mist);
}

.version-chip{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.22rem .62rem;
  border:1px solid rgba(200,255,61,.4);
  border-radius:var(--r-capsule);
  background:rgba(200,255,61,.1);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  color:var(--lime);
  white-space:nowrap;
}
.version-dot{
  width:.4rem;
  height:.4rem;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,255,61,.16);
}

.nav-list{display:flex;align-items:center;gap:.1rem}
.nav-link{
  position:relative;
  display:inline-block;
  padding:.5rem .86rem;
  border-radius:var(--r-capsule);
  font-size:.88rem;
  letter-spacing:.04em;
  color:var(--mist);
  transition:color .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-link:hover{color:var(--white);background:var(--glass)}
.nav-link[aria-current="page"]{
  color:var(--cyan);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px var(--glass-line);
}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:.14rem;
  width:1.1rem;
  height:2px;
  border-radius:2px;
  transform:translateX(-50%);
  background:var(--lime);
}
.nav-item--mobile{display:none}

.nav-current{
  display:none;
  align-items:center;
  gap:.55rem;
  padding:.5rem 1rem;
  font-size:.86rem;
  letter-spacing:.08em;
  color:var(--cyan);
  white-space:nowrap;
}
.nav-current::before{
  content:"";
  width:.45rem;
  height:.45rem;
  border-radius:50%;
  background:var(--lime);
}

.site-header[data-shrink] .nav-list{display:none}
.site-header[data-shrink] .nav-current{display:inline-flex}
.site-header[data-shrink] .brand-sub{display:none}
.site-header[data-shrink] .brand-cluster,
.site-header[data-shrink] .nav-capsule,
.site-header[data-shrink] .header-actions{
  background:rgba(7,20,38,.92);
  border-color:rgba(36,224,210,.26);
  padding-block:.3rem;
}

.action-link{
  padding:.5rem .7rem;
  border-radius:var(--r-capsule);
  font-size:.86rem;
  letter-spacing:.06em;
  color:var(--white);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.action-link:hover{color:var(--lime);background:rgba(200,255,61,.1)}

.toggle-btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.46rem .78rem;
  border:1px solid var(--line);
  border-radius:var(--r-capsule);
  background:rgba(14,36,64,.62);
  color:var(--white);
  font-size:.82rem;
  letter-spacing:.06em;
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.toggle-btn:hover{border-color:var(--cyan);color:var(--cyan);background:var(--glass)}
.toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:1rem}
.toggle-bars span{display:block;height:2px;border-radius:2px;background:currentColor}
.toggle-bars span:nth-child(2){width:68%}
.toggle-label{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em}
.nav-toggle{display:none}

/* ---------- 侧边抽屉 ---------- */
.drawer-scrim{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(4,10,20,.64);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-scrim[data-open]{opacity:1;visibility:visible}

.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:1.4rem;
  width:min(400px,92vw);
  padding:1.5rem 1.35rem 2.2rem;
  overflow-y:auto;
  background:linear-gradient(180deg,#0B1D33,#071426);
  border-left:1px solid rgba(36,224,210,.26);
  box-shadow:-30px 0 70px rgba(0,0,0,.55);
  transform:translateX(102%);
  visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.drawer[data-open]{transform:none;visibility:visible}

.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.drawer-title{
  margin:0;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.24em;
  color:var(--lime);
}
.drawer-section{padding-top:1.1rem;border-top:1px solid var(--line)}
.drawer-index{
  margin:0 0 .8rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  color:var(--mist);
}
.drawer-score{
  display:flex;
  align-items:center;
  gap:.7rem;
  padding:.85rem 1rem;
  border:1px solid var(--glass-line);
  border-radius:14px;
  background:var(--glass);
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
}
.drawer-score-team{font-size:.84rem;color:var(--white)}
.drawer-score-value{font-size:1.35rem;font-weight:700;color:var(--lime);margin-left:auto}
.drawer-score-state{font-size:.78rem;color:var(--amber)}

.drawer-links{display:grid;gap:.2rem}
.drawer-link{
  display:block;
  padding:.66rem .8rem;
  border-radius:12px;
  font-size:.94rem;
  color:var(--mist);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.drawer-link:hover{color:var(--cyan);background:var(--glass)}

.follow-list{display:flex;flex-wrap:wrap;gap:.5rem}
.follow-chip{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.46rem .85rem;
  border:1px solid var(--line);
  border-radius:var(--r-capsule);
  background:rgba(14,36,64,.7);
  color:var(--white);
  font-size:.84rem;
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.follow-chip:hover{border-color:var(--cyan);color:var(--cyan)}
.follow-chip[aria-pressed="true"]{
  background:var(--glass-strong);
  border-color:var(--cyan);
  color:var(--cyan);
}
.follow-chip[aria-pressed="true"]::before{
  content:"";
  width:.4rem;
  height:.4rem;
  border-radius:50%;
  background:var(--lime);
}
.drawer-note{
  margin:1rem 0 0;
  font-size:.78rem;
  line-height:1.7;
  color:var(--mist);
}

/* ---------- 移动端比分条 ---------- */
.score-dock{display:none}
.dock-pulse{
  flex:none;
  width:.5rem;
  height:.5rem;
  border-radius:50%;
  background:var(--amber);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:.45;box-shadow:0 0 0 0 rgba(255,158,74,.45)}
  50%{opacity:1;box-shadow:0 0 0 6px rgba(255,158,74,0)}
}
.dock-main{
  display:flex;
  align-items:center;
  gap:.7rem;
  width:100%;
  padding:.72rem .95rem;
  border:1px solid rgba(36,224,210,.3);
  border-radius:var(--r-capsule);
  background:rgba(7,20,38,.94);
  color:var(--white);
  text-align:left;
  cursor:pointer;
  box-shadow:0 16px 34px rgba(0,0,0,.5);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.dock-team{font-size:.9rem;letter-spacing:.04em}
.dock-score{
  margin-left:auto;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:1.1rem;
  font-weight:700;
  color:var(--lime);
}
.dock-state{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--amber);
  white-space:nowrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  padding:clamp(2.8rem,5vw,4.2rem) 0 1.5rem;
  background:#050F1D;
  border-top:1px solid rgba(36,224,210,.16);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan),rgba(36,224,210,0) 46%,var(--lime));
}
.footer-shell{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) minmax(0,1.25fr);
  gap:clamp(1.6rem,4vw,3.4rem);
  width:min(1320px,calc(100% - 2.5rem));
  margin-inline:auto;
}
.footer-seg{min-width:0}
.footer-brand{
  margin:0 0 .3rem;
  font-size:1.05rem;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--white);
}
.footer-tagline{
  margin:0;
  max-width:24em;
  font-size:.86rem;
  line-height:1.75;
  color:var(--mist);
}
.footer-index{
  margin:0 0 .9rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.26em;
  color:var(--lime);
}
.footer-links{display:grid;gap:.42rem}
.footer-link{
  display:inline-block;
  font-size:.9rem;
  color:var(--mist);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-link::before{
  content:"—";
  margin-right:.5rem;
  color:rgba(159,182,204,.4);
  transition:color .22s var(--ease);
}
.footer-link:hover{color:var(--cyan);transform:translateX(2px)}
.footer-link:hover::before{color:var(--cyan)}

.footer-contact{margin-top:1.2rem}
.footer-line{
  margin:0 0 .32rem;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:.82rem;
  letter-spacing:.04em;
  color:var(--mist);
}
.footer-line--note{
  margin-top:.6rem;
  font-family:var(--font-body);
  font-size:.78rem;
  line-height:1.7;
  color:rgba(159,182,204,.75);
}
.footer-bottom{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.6rem;
  margin-top:1.4rem;
  padding-top:1rem;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  color:rgba(159,182,204,.72);
}

/* ---------- 显现动效 ---------- */
.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.js-ready [data-reveal][data-visible]{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .nav-link{padding:.46rem .62rem;font-size:.83rem}
  .brand-sub{display:none}
  .footer-shell{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
  .footer-seg--meta{grid-column:1 / -1}
}

/* ---------- 手机 ---------- */
@media (max-width:900px){
  main{padding-top:5.2rem}
  body{padding-bottom:4.6rem}

  .header-shell{grid-template-columns:minmax(0,1fr) auto;gap:.5rem}
  .header-actions{justify-self:end}

  .nav-capsule{
    position:absolute;
    top:calc(100% + .55rem);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-self:stretch;
    padding:.6rem;
    border-radius:22px;
    background:rgba(7,20,38,.97);
    border-color:rgba(36,224,210,.28);
  }
  .nav-capsule[data-open]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:.15rem}
  .nav-link{padding:.78rem .9rem;border-radius:14px;font-size:.95rem}
  .nav-link[aria-current="page"]{box-shadow:inset 0 0 0 1px var(--glass-line)}
  .nav-link[aria-current="page"]::after{display:none}
  .nav-item--mobile{display:block;border-top:1px solid var(--line);margin-top:.3rem;padding-top:.3rem}
  .nav-current{display:none !important}

  .nav-toggle{display:inline-flex}
  .action-link{display:none}

  .score-dock{
    display:block;
    position:fixed;
    left:.8rem;
    right:.8rem;
    bottom:.8rem;
    z-index:65;
  }

  .grid--2,.grid--3,.grid--aside{grid-template-columns:1fr}
  .footer-shell{grid-template-columns:1fr;gap:2rem}
  .footer-seg--meta{grid-column:auto}
}

@media (max-width:560px){
  .drawer-toggle-label,.nav-toggle-label{display:none}
  .toggle-btn{padding:.46rem .6rem}
  .brand-sub{display:none}
  .version-chip{font-size:.66rem;padding:.2rem .5rem}
  .data-row{flex-wrap:wrap}
}

/* ---------- 焦点与降级 ---------- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

@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-ready [data-reveal]{opacity:1;transform:none}
  .dock-pulse{animation:none;opacity:1}
}