/* ==========================================================================
   球速娱乐会馆 · 共享站点套件 /assets/site.css
   夜间赛道仪表盘：侧轨导航 + 框景 + 刻度 + 十二色带索引
   ========================================================================== */

/* ---------- 1. 重置 ---------- */
*,*::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,dl,dd,dt,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-900:#0B1420;
  --ink-800:#111F2E;
  --ink-700:#182B3D;
  --mint:#00E5B0;
  --mint-soft:#7FF5DA;
  --orange:#FF5A1F;
  --orange-soft:#FFB18C;
  --paper:#EAF4F1;
  --paper-2:#C6D8D5;
  --steel:#8FA6B2;
  --line:#2B485C;
  --jade:#124E4A;
  --indigo:#2A2450;
  --wine:#4A1F2E;

  --band-01:#3ECFB0; --band-02:#5CA8D8; --band-03:#7C8FE8; --band-04:#A77BE0;
  --band-05:#C46FB0; --band-06:#D8767A; --band-07:#E08A5A; --band-08:#D6A64A;
  --band-09:#A8BF5A; --band-10:#5FBF7A; --band-11:#4FBFA8; --band-12:#7C9ECF;

  --rail-w:264px;
  --topbar-h:64px;
  --wrap:1180px;

  --font-display:'Bahnschrift','DIN Alternate','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'JetBrains Mono','SFMono-Regular',Consolas,monospace;

  --r-1:2px;
  --r-2:6px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. 基础与中文排版 ---------- */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  background:
    radial-gradient(920px 620px at 10% -12%, rgba(18,78,74,.55), transparent 70%),
    radial-gradient(760px 520px at 100% 0%, rgba(42,36,80,.48), transparent 66%),
    radial-gradient(600px 420px at 60% 100%, rgba(74,31,46,.32), transparent 70%),
    var(--ink-900);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--mint);color:#06120F}

:focus-visible{outline:2px solid var(--mint-soft);outline-offset:3px;border-radius:2px}

.qs-h1,.qs-h2,.qs-h3,.qs-h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.015em;
  text-wrap:balance;
}
.qs-h1{font-size:clamp(2rem,4.6vw,2.85rem)}
.qs-h2{font-size:clamp(1.5rem,2.8vw,1.875rem)}
.qs-h3{font-size:clamp(1.15rem,1.9vw,1.375rem);line-height:1.3}
.qs-h4{font-size:1rem;line-height:1.4;letter-spacing:.01em}

.qs-lede{
  margin-top:14px;
  font-size:clamp(1rem,1.4vw,1.1rem);
  line-height:1.8;
  color:var(--paper-2);
  max-width:62ch;
}
.qs-kicker{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family:var(--font-num);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mint);
}
.qs-kicker::before{
  content:"";
  width:18px;height:2px;
  background:linear-gradient(90deg,var(--mint),var(--orange));
  border-radius:2px;
}
.qs-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.qs-slant{display:inline-block;transform:skewX(-4deg)}
.qs-divider{height:1px;border:0;background:var(--line);opacity:.9}
.qs-scale{
  height:10px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 14px);
  opacity:.7;
}

/* ---------- 4. 布局容器 ---------- */
.qs-wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(18px,3vw,44px);
}
.qs-main{display:block;position:relative;padding-block:clamp(24px,3.6vw,48px) 0}

.qs-split{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,4fr);
  gap:clamp(16px,2.4vw,32px);
  align-items:start;
}
.qs-grid{display:grid;gap:clamp(14px,2vw,24px)}
.qs-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.qs-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.qs-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.qs-grid--auto{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* ---------- 5. 通用组件 ---------- */
.qs-btn{
  --btn-bg:var(--mint);
  --btn-fg:#06120F;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.72em 1.15em;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.94rem;
  line-height:1.2;
  letter-spacing:.02em;
  text-decoration:none;
  color:var(--btn-fg);
  background:var(--btn-bg);
  border:1px solid transparent;
  border-radius:var(--r-1);
  cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.qs-btn:hover{transform:translateY(-1px)}
.qs-btn:active{transform:translateY(0)}
.qs-btn--go{--btn-bg:var(--mint);--btn-fg:#06120F}
.qs-btn--go:hover{--btn-bg:var(--mint-soft)}
.qs-btn--warm{--btn-bg:var(--orange);--btn-fg:#1A0A04}
.qs-btn--warm:hover{--btn-bg:var(--orange-soft)}
.qs-btn--ghost{--btn-bg:transparent;--btn-fg:var(--paper);border-color:var(--line)}
.qs-btn--ghost:hover{border-color:var(--orange-soft);color:var(--orange-soft);--btn-bg:transparent}
.qs-btn--block{width:100%}

.qs-panel{
  position:relative;
  padding:clamp(16px,2vw,24px);
  background:linear-gradient(180deg,var(--ink-800) 0%,#0E1A28 100%);
  border:1px solid var(--line);
  border-radius:var(--r-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04),0 16px 28px -22px #000;
}
.qs-panel--jade{
  background:linear-gradient(180deg,rgba(18,78,74,.85) 0%,rgba(11,20,32,.95) 100%);
  border-color:rgba(0,229,176,.26);
}
.qs-panel--indigo{
  background:linear-gradient(180deg,rgba(42,36,80,.85) 0%,rgba(11,20,32,.95) 100%);
  border-color:rgba(124,143,232,.28);
}
.qs-panel--wine{
  background:linear-gradient(180deg,rgba(74,31,46,.85) 0%,rgba(11,20,32,.95) 100%);
  border-color:rgba(216,118,122,.3);
}
.qs-panel__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.qs-panel__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.02rem;
  letter-spacing:.01em;
  line-height:1.3;
}

.qs-media{
  position:relative;
  display:block;
  overflow:hidden;
  isolation:isolate;
  aspect-ratio:16/10;
  border:1px solid var(--line);
  border-radius:var(--r-2);
  background:
    radial-gradient(120% 100% at 16% 0%,rgba(0,229,176,.2),transparent 62%),
    radial-gradient(90% 80% at 100% 100%,rgba(255,90,31,.16),transparent 60%),
    linear-gradient(160deg,#12212F 0%,#0B1420 72%);
}
.qs-media > img{width:100%;height:100%;object-fit:cover;display:block}
.qs-media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.45;
  background-image:repeating-linear-gradient(90deg,rgba(43,72,92,.55) 0 1px,transparent 1px 26px);
  mix-blend-mode:screen;
}
.qs-media--wide{aspect-ratio:21/9}
.qs-media--tall{aspect-ratio:4/5}
.qs-media--square{aspect-ratio:1/1}
.qs-media--cut{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 34px),calc(100% - 34px) 100%,0 100%);
  border-radius:0;
}
.qs-media__cap{
  position:absolute;
  inset-inline:0;
  inset-block-end:0;
  padding:10px 12px;
  font-family:var(--font-num);
  font-size:.68rem;
  letter-spacing:.08em;
  color:var(--mint-soft);
  background:linear-gradient(0deg,rgba(6,14,22,.92),transparent);
  z-index:2;
}

.qs-band{display:block;background:var(--band,var(--line))}
[data-band="R01"]{--band:var(--band-01)}
[data-band="R02"]{--band:var(--band-02)}
[data-band="R03"]{--band:var(--band-03)}
[data-band="R04"]{--band:var(--band-04)}
[data-band="R05"]{--band:var(--band-05)}
[data-band="R06"]{--band:var(--band-06)}
[data-band="R07"]{--band:var(--band-07)}
[data-band="R08"]{--band:var(--band-08)}
[data-band="R09"]{--band:var(--band-09)}
[data-band="R10"]{--band:var(--band-10)}
[data-band="R11"]{--band:var(--band-11)}
[data-band="R12"]{--band:var(--band-12)}

.qs-tag{
  display:inline-flex;
  align-items:center;
  padding:.26em .62em;
  font-family:var(--font-num);
  font-size:.7rem;
  line-height:1.5;
  letter-spacing:.06em;
  color:var(--steel);
  border:1px solid var(--line);
  border-radius:999px;
}

.qs-crumbs{font-family:var(--font-num);font-size:.76rem;color:var(--steel)}
.qs-crumbs__list{display:flex;flex-wrap:wrap;align-items:center}
.qs-crumbs__list li{display:flex;align-items:center}
.qs-crumbs__list li + li::before{content:"/";margin-inline:.7em;color:var(--line)}
.qs-crumbs a{color:var(--steel);text-decoration:none;transition:color .18s var(--ease)}
.qs-crumbs a:hover{color:var(--mint)}
.qs-crumbs [aria-current="page"]{color:var(--paper)}

.qs-status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:12px;
  font-family:var(--font-num);
  font-size:.72rem;
  line-height:1.5;
  color:var(--mint-soft);
}
.qs-dot{
  flex:none;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(0,229,176,.14);
}

/* ---------- 6. 跳转链接 ---------- */
.qs-skip{
  position:fixed;
  inset-block-start:0;
  inset-inline-start:0;
  z-index:300;
  padding:.72em 1.2em;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.9rem;
  color:#06120F;
  background:var(--mint);
  border-radius:0 0 var(--r-2) 0;
  text-decoration:none;
  transform:translateY(-140%);
  transition:transform .2s var(--ease);
}
.qs-skip:focus,
.qs-skip:focus-visible{transform:none}

/* ---------- 7. 侧轨头部 ---------- */
.qs-rail{
  position:fixed;
  inset-block:0;
  inset-inline-start:0;
  z-index:80;
  width:var(--rail-w);
  background:linear-gradient(180deg,#0C1826 0%,#0B1420 56%,#101B2B 100%);
  border-inline-end:1px solid var(--line);
}
.qs-rail__inner{
  display:flex;
  flex-direction:column;
  gap:18px;
  height:100%;
  padding:22px 20px 18px;
  overflow-y:auto;
  overscroll-behavior:contain;
}

.qs-rail__brand{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:11px;
  align-items:start;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.qs-rail__mark{
  display:grid;
  place-items:center;
  width:34px;height:34px;
  font-family:var(--font-num);
  font-size:.76rem;
  font-weight:700;
  color:var(--mint);
  border:1px solid var(--mint);
  border-radius:var(--r-1);
  box-shadow:0 0 0 3px rgba(0,229,176,.08);
}
.qs-rail__logo{display:block;text-decoration:none;color:var(--paper);min-width:0}
.qs-rail__name{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.06rem;
  line-height:1.25;
  letter-spacing:.01em;
}
.qs-rail__tag{
  display:block;
  margin-top:5px;
  font-size:.72rem;
  line-height:1.55;
  color:var(--steel);
}

.qs-navbtn{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:.84rem;
  color:var(--paper);
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-1);
  cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.qs-navbtn:hover{border-color:var(--mint);color:var(--mint)}
.qs-navbtn__bars{display:inline-grid;gap:4px;width:16px}
.qs-navbtn__bars > span{
  display:block;
  height:2px;
  background:currentColor;
  border-radius:1px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.qs-rail[data-open] .qs-navbtn__bars > span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.qs-rail[data-open] .qs-navbtn__bars > span:nth-child(2){opacity:0}
.qs-rail[data-open] .qs-navbtn__bars > span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.qs-navbtn__text{white-space:nowrap}

.qs-rail__panel{
  display:flex;
  flex-direction:column;
  flex:1;
  min-height:0;
  gap:16px;
}
.qs-nav{min-height:0}
.qs-nav__list{display:flex;flex-direction:column;gap:2px}
.qs-nav__link{
  position:relative;
  display:grid;
  grid-template-columns:38px minmax(0,1fr);
  align-items:center;
  gap:8px;
  padding:9px 10px 9px 14px;
  font-size:.94rem;
  font-weight:500;
  line-height:1.45;
  color:var(--paper);
  text-decoration:none;
  border-radius:var(--r-1);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.qs-nav__link::before{
  content:"";
  position:absolute;
  inset-block:10px;
  inset-inline-start:0;
  width:3px;
  border-radius:2px;
  background:var(--band,var(--line));
  opacity:.5;
  transition:opacity .18s var(--ease),background .18s var(--ease),inset-block .18s var(--ease);
}
.qs-nav__link:hover{background:var(--ink-700);color:#fff}
.qs-nav__link:hover::before{opacity:1}
.qs-nav__link[aria-current="page"]{
  color:var(--mint);
  font-weight:700;
  background:linear-gradient(90deg,rgba(255,90,31,.16),rgba(255,90,31,0));
}
.qs-nav__link[aria-current="page"]::before{
  inset-block:6px;
  background:var(--orange);
  opacity:1;
}
.qs-nav__idx{
  font-family:var(--font-num);
  font-size:.68rem;
  letter-spacing:.04em;
  color:var(--steel);
}
.qs-nav__link[aria-current="page"] .qs-nav__idx{color:var(--orange-soft)}
.qs-nav__label{min-width:0}

.qs-rail__foot{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.qs-rail__foot .qs-btn{font-size:.88rem}
.qs-rail__foot .qs-status{margin-top:4px}

.qs-rail__gauge{
  position:absolute;
  inset-block:0;
  inset-inline-end:-1px;
  width:2px;
  background:rgba(43,72,92,.45);
  pointer-events:none;
}
.qs-rail__gauge-fill{
  display:block;
  width:100%;
  height:calc(var(--scroll,0) * 100%);
  background:linear-gradient(180deg,var(--mint) 0%,var(--orange) 100%);
  transition:height .16s linear;
}

.qs-top{
  position:fixed;
  inset-inline-end:20px;
  inset-block-end:20px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 13px;
  font-family:var(--font-num);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--paper);
  background:rgba(17,31,46,.94);
  border:1px solid var(--line);
  border-radius:var(--r-1);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.qs-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.qs-top:hover{border-color:var(--mint);color:var(--mint)}
.qs-top__ico{font-size:.9rem;line-height:1}

/* ---------- 8. 页脚 ---------- */
.qs-foot{
  position:relative;
  margin-top:clamp(56px,7vw,96px);
  color:var(--paper);
  background:linear-gradient(180deg,rgba(17,31,46,.35) 0%,#0A121D 42%,#0A121D 100%);
  border-top:1px solid var(--line);
}
.qs-foot__bands{
  display:flex;
  gap:3px;
  height:3px;
  padding-inline:clamp(18px,3vw,44px);
  padding-top:3px;
}
.qs-foot__bands .qs-band{
  flex:1;
  height:3px;
  border-radius:1px;
  opacity:.85;
}
.qs-foot__main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr;
  gap:clamp(20px,3vw,40px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(26px,4vw,44px) clamp(18px,3vw,44px);
}
.qs-foot__brand{min-width:0}
.qs-foot__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.18rem;
  line-height:1.3;
  letter-spacing:.02em;
}
.qs-foot__slogan{
  margin-top:9px;
  max-width:34ch;
  font-size:.86rem;
  line-height:1.72;
  color:var(--steel);
}
.qs-foot__col{min-width:0}
.qs-foot__heading{
  margin-bottom:12px;
  padding-bottom:10px;
  font-family:var(--font-num);
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--steel);
  border-bottom:1px solid var(--line);
}
.qs-foot__list{display:flex;flex-direction:column;gap:9px}
.qs-foot__link{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-size:.9rem;
  line-height:1.5;
  color:var(--paper);
  text-decoration:none;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.qs-foot__link::before{
  content:"";
  width:10px;height:1px;
  background:var(--line);
  transition:background .18s var(--ease),width .18s var(--ease);
}
.qs-foot__link:hover{color:var(--mint);transform:translateX(2px)}
.qs-foot__link:hover::before{background:var(--mint);width:16px}
.qs-foot__contact{display:grid;gap:13px}
.qs-foot__contact > div{display:grid;gap:3px}
.qs-foot__contact dt{
  font-family:var(--font-num);
  font-size:.68rem;
  letter-spacing:.1em;
  color:var(--steel);
}
.qs-foot__contact dd{
  font-size:.86rem;
  line-height:1.62;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.qs-foot__base{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 24px;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:16px clamp(18px,3vw,44px) 28px;
  font-size:.76rem;
  line-height:1.6;
  color:var(--steel);
  border-top:1px solid var(--line);
}
.qs-foot__legal,.qs-foot__note{margin:0}
.qs-foot__note{max-width:54ch}

/* ---------- 9. 显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 10. 响应式 ---------- */
@media (min-width:1440px){
  :root{--rail-w:284px}
}

@media (max-width:1023px){
  :root{--rail-w:100%}
  body{padding-left:0;padding-top:var(--topbar-h)}
  #main-content{scroll-margin-top:calc(var(--topbar-h) + 12px)}

  .qs-rail{
    inset-block-start:0;
    inset-block-end:auto;
    width:100%;
    height:var(--topbar-h);
    border-inline-end:0;
    border-block-end:1px solid var(--line);
    background:#0C1826;
  }
  .qs-rail__inner{
    flex-direction:row;
    align-items:center;
    gap:12px;
    height:var(--topbar-h);
    padding:0 16px;
    overflow:visible;
  }
  .qs-rail__brand{
    flex:1;
    min-width:0;
    align-items:center;
    padding-bottom:0;
    border-bottom:0;
  }
  .qs-rail__mark{width:28px;height:28px;font-size:.68rem}
  .qs-rail__name{
    font-size:.98rem;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .qs-rail__tag{display:none}
  .qs-navbtn{display:inline-flex;flex:none}
  .qs-rail__panel{
    position:fixed;
    inset-block-start:var(--topbar-h);
    inset-inline:0;
    display:none;
    flex:0 0 auto;
    flex-direction:column;
    max-height:calc(100vh - var(--topbar-h));
    max-height:calc(100dvh - var(--topbar-h));
    padding:18px 16px 22px;
    gap:18px;
    overflow-y:auto;
    overscroll-behavior:contain;
    background:linear-gradient(180deg,#101E2C 0%,#0B1420 100%);
    border-block-end:1px solid var(--line);
    box-shadow:0 26px 44px -20px #000;
  }
  .qs-rail[data-open] .qs-rail__panel{display:flex}
  .qs-nav__list{gap:4px}
  .qs-nav__link{padding:12px 12px 12px 16px;font-size:.98rem}
  .qs-rail__foot{margin-top:0;padding-top:16px}
  .qs-rail__gauge{
    inset-block:auto;
    inset-block-end:0;
    inset-inline:0;
    width:100%;
    height:2px;
  }
  .qs-rail__gauge-fill{
    width:calc(var(--scroll,0) * 100%);
    height:100%;
    background:linear-gradient(90deg,var(--mint) 0%,var(--orange) 100%);
    transition:width .16s linear;
  }
  .qs-top{inset-inline-end:14px;inset-block-end:14px}
  .qs-split{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:900px){
  .qs-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qs-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qs-foot__main{grid-template-columns:1fr 1fr}
  .qs-foot__brand{grid-column:1 / -1}
}

@media (max-width:700px){
  .qs-grid--2{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:560px){
  body{font-size:16px;line-height:1.72}
  .qs-grid--4,.qs-grid--3,.qs-grid--auto{grid-template-columns:minmax(0,1fr)}
  .qs-foot__main{grid-template-columns:minmax(0,1fr)}
  .qs-media--wide{aspect-ratio:16/10}
  .qs-top span:not(.qs-top__ico){display:none}
}

/* ---------- 11. 动效可访问性 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}