/* ===== 完美电竞中心 · 共享样式表 /assets/site.css ===== */

:root{
  --ink-950:#070A12;
  --ink-900:#0E1730;
  --edge:#2A3550;
  --blue:#2E7BFF;
  --violet:#A44CFF;
  --mint:#35F1A1;
  --amber:#FF7A33;
  --paper:#E9EEF8;
  --mute:#9AA9C4;
  --deep:#1B1E4A;

  --frame-h:78px;
  --radius-lg:26px;
  --radius-md:18px;
  --radius-pill:999px;
  --shell:1200px;
  --gutter:clamp(18px,4vw,48px);
  --skew:-6deg;
  --ease:cubic-bezier(.22,.61,.36,1);

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

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background-color:var(--ink-950);
  background-image:
    radial-gradient(920px 540px at 88% -12%,rgba(46,123,255,.16),transparent 70%),
    radial-gradient(780px 500px at 4% 8%,rgba(164,76,255,.13),transparent 72%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:clamp(1rem,.97rem + .2vw,1.125rem);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

main{display:block}
#main-content{scroll-margin-top:96px}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-family:var(--font-head);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.18;
}

p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
img{max-width:100%;height:auto;display:block}
a{color:var(--paper);text-decoration:none}
a:hover{color:#fff}
strong{font-weight:800}
::selection{background:rgba(164,76,255,.42);color:#fff}

:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:3px;
  border-radius:6px;
}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:3px;
}

/* ---------- 页头：常驻框架轨道 ---------- */

.site-frame{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(7,10,18,.98) 0%,rgba(14,23,48,.94) 100%);
  border-bottom:1px solid var(--edge);
  color:var(--paper);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.site-frame[data-condensed]{
  border-bottom-color:rgba(46,123,255,.55);
  box-shadow:0 12px 32px rgba(3,6,14,.6);
}

.frame-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.frame-progress-bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--blue),var(--violet) 55%,var(--mint));
}

.frame-inner{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
  min-height:var(--frame-h);
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,32px);
  padding-block:10px;
  transition:min-height .25s var(--ease);
}
.site-frame[data-condensed] .frame-inner{min-height:60px;padding-block:6px}

.frame-tick{
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--edge) 0 1px,transparent 1px 12px);
  opacity:.75;
  pointer-events:none;
}

.skip-link{
  position:absolute;
  left:14px;
  top:-72px;
  z-index:120;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  background:var(--mint);
  color:#04120b;
  font-family:var(--font-head);
  font-weight:800;
  font-size:.9375rem;
  transition:top .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:10px;color:#04120b}

/* 品牌署名 */

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--paper);
}
.brand:hover .brand-name{color:#fff}
.brand-mark{
  position:relative;
  width:36px;
  height:36px;
  flex:0 0 auto;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:conic-gradient(from 200deg,var(--blue),var(--violet) 45%,var(--mint) 78%,var(--blue));
  box-shadow:0 0 0 1px rgba(46,123,255,.45),0 0 18px rgba(164,76,255,.45);
}
.brand-mark-core{
  width:12px;
  height:12px;
  border-radius:4px;
  background:var(--ink-950);
  box-shadow:inset 0 0 0 1px rgba(233,238,248,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-family:var(--font-head);
  font-weight:800;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  white-space:nowrap;
  transition:color .18s var(--ease);
}
.brand-meta{display:flex;align-items:center;gap:6px;margin-top:4px}
.version-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 8px;
  border:1px solid var(--edge);
  border-radius:var(--radius-pill);
  background:rgba(7,10,18,.7);
  font-family:var(--font-mono);
  font-size:.6875rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--mute);
  white-space:nowrap;
}
.version-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 8px var(--mint);
}

/* 导航 */

.nav{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-item{display:flex}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-head);
  font-size:.9375rem;
  font-weight:700;
  color:var(--mute);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-link:hover{
  color:var(--paper);
  border-color:var(--edge);
  background:rgba(46,123,255,.12);
}
.nav-link[aria-current="page"]{
  color:#fff;
  border-color:rgba(164,76,255,.72);
  background:linear-gradient(180deg,rgba(164,76,255,.30),rgba(46,123,255,.16));
}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-9px;
  width:22px;
  height:2px;
  transform:translateX(-50%);
  background:var(--mint);
  box-shadow:0 0 10px var(--mint);
}

.actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

/* 按钮 */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 20px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-head);
  font-weight:800;
  font-size:.9375rem;
  letter-spacing:.01em;
  line-height:1.3;
  cursor:pointer;
  text-align:center;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn--primary{
  background:linear-gradient(100deg,var(--blue),#5C5CFF 58%,var(--violet));
  color:#fff;
  box-shadow:0 6px 22px rgba(46,123,255,.34);
}
.btn--primary:hover{
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 30px rgba(164,76,255,.5);
}
.btn--ghost{
  background:transparent;
  border-color:var(--edge);
  color:var(--paper);
}
.btn--ghost:hover{
  color:#fff;
  border-color:var(--blue);
  background:rgba(46,123,255,.14);
}
.btn--sm{padding:8px 15px;font-size:.8125rem}
.btn--block{width:100%}

/* 移动导航按钮 */

.nav-toggle{
  display:none;
  flex:0 0 auto;
  width:46px;
  height:46px;
  padding:0;
  border:1px solid var(--edge);
  border-radius:14px;
  background:rgba(14,23,48,.92);
  color:var(--paper);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle-bar{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--paper);
  transition:transform .2s var(--ease),opacity .2s var(--ease),background-color .2s var(--ease);
}
.site-frame[data-open] .nav-toggle{
  border-color:var(--violet);
  background:rgba(164,76,255,.24);
}
.site-frame[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-frame[data-open] .nav-toggle-bar:nth-child(2){opacity:0}
.site-frame[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动快捷条 */

.quickbar{display:none}
.quickbar-inner{
  display:flex;
  gap:6px;
  width:100%;
}
.quickbar-link{
  flex:1 1 0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:11px 8px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-head);
  font-size:.875rem;
  font-weight:800;
  color:var(--paper);
  background:rgba(46,123,255,.16);
  transition:border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.quickbar-link:nth-child(2){background:rgba(164,76,255,.2)}
.quickbar-link:nth-child(3){background:rgba(53,241,161,.14)}
.quickbar-link:hover,
.quickbar-link[aria-current="page"]{
  color:#fff;
  border-color:var(--mint);
}
.quickbar-index{
  font-family:var(--font-mono);
  font-size:.625rem;
  font-weight:600;
  color:var(--mute);
}

/* ---------- 页脚：目录地图 ---------- */

.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg,var(--ink-950) 0%,#0A1022 45%,var(--ink-900) 100%);
  border-top:1px solid var(--edge);
  color:var(--paper);
  overflow:hidden;
}
.footer-glow{
  position:absolute;
  left:0;
  right:0;
  bottom:-45%;
  height:440px;
  pointer-events:none;
  background:
    radial-gradient(60% 100% at 18% 100%,rgba(46,123,255,.24),transparent 70%),
    radial-gradient(52% 100% at 86% 100%,rgba(164,76,255,.22),transparent 70%);
}
.footer-inner{
  position:relative;
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
  padding-block:clamp(34px,6vw,62px) 22px;
}
.footer-brandline{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:22px;
  border-bottom:1px dashed var(--edge);
}
.brand--footer{align-items:center}
.footer-tag{
  margin:0;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--mute);
}
.footer-map{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
  padding-block:clamp(26px,4vw,44px);
}
.footer-col{min-width:0}
.footer-col-title{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin:0 0 14px;
  font-family:var(--font-head);
  font-size:.9375rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--paper);
}
.footer-index{
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--blue);
}
.footer-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.footer-link{
  display:inline-block;
  color:var(--mute);
  font-size:.9375rem;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover{
  color:var(--paper);
  border-bottom-color:var(--mint);
}
.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.footer-contact-row{display:flex;flex-direction:column;gap:2px}
.footer-contact-label{
  font-family:var(--font-mono);
  font-size:.6875rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--amber);
}
.footer-contact-value{
  font-size:.9375rem;
  color:var(--paper);
  word-break:break-word;
}
.footer-note{
  margin:16px 0 0;
  font-size:.8125rem;
  line-height:1.65;
  color:var(--mute);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:18px;
  border-top:1px solid var(--edge);
}
.footer-copy,.footer-icp{margin:0;font-size:.8125rem;color:var(--mute)}
.footer-icp .footer-link{
  font-family:var(--font-mono);
  font-size:.8125rem;
  letter-spacing:.02em;
}

/* ---------- 共享页面骨架 ---------- */

.wrap{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
}
.section{padding-block:clamp(34px,6vw,72px)}
.section-head{
  display:grid;
  gap:10px;
  max-width:68ch;
  margin-bottom:clamp(20px,3vw,32px);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--mint);
}
.eyebrow::before{
  content:"";
  display:block;
  width:18px;
  height:2px;
  background:var(--mint);
  box-shadow:0 0 8px var(--mint);
}
.display{
  margin:0;
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(2.4rem,6vw,4.8rem);
  line-height:1.02;
  letter-spacing:-.02em;
}
.title{
  margin:0;
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(1.5rem,3vw,2rem);
  line-height:1.22;
  letter-spacing:-.02em;
}
.title--skew{
  transform:skewX(var(--skew));
  transform-origin:left bottom;
}
.lede{
  margin:0;
  max-width:68ch;
  font-size:clamp(1rem,1.4vw,1.125rem);
  color:var(--mute);
}
.prose{max-width:68ch}
.prose p{margin:0 0 1.1em}
.prose h2{
  font-size:clamp(1.25rem,2.4vw,1.5rem);
  margin:1.6em 0 .6em;
  color:var(--paper);
}
.prose ul,.prose ol{color:var(--mute);margin:0 0 1.2em;padding-left:1.25em}
.prose li{margin-bottom:.4em}
.prose a{color:var(--blue);border-bottom:1px solid rgba(46,123,255,.45)}
.prose a:hover{color:#fff;border-bottom-color:var(--mint)}

.divider{height:1px;border:0;margin:0;background:var(--edge)}

/* 面包屑 */

.crumbs{padding-top:clamp(16px,2.4vw,26px)}
.crumbs-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:.8125rem;
  color:var(--mute);
}
.crumbs-item{display:inline-flex;align-items:center;gap:8px}
.crumbs-link{
  font-family:var(--font-mono);
  color:var(--mute);
  border-bottom:1px solid transparent;
}
.crumbs-link:hover{color:var(--paper);border-bottom-color:var(--mint)}
.crumbs-sep{color:var(--edge)}
.crumbs-item[aria-current="page"]{color:var(--paper);font-weight:700}

/* 网格与卡片 */

.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

.card{
  position:relative;
  padding:clamp(16px,2.4vw,26px);
  border:1px solid var(--edge);
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,var(--ink-900),#0A1126 72%);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{
  border-color:rgba(46,123,255,.8);
  box-shadow:0 0 0 1px rgba(46,123,255,.22),0 18px 40px rgba(0,0,0,.5);
}
.card-title{
  margin:0 0 8px;
  font-family:var(--font-head);
  font-size:1.125rem;
  font-weight:800;
  letter-spacing:-.01em;
}
.card-text{margin:0;font-size:.9375rem;color:var(--mute)}

.panel{
  padding:clamp(16px,2.5vw,28px);
  border:1px solid var(--edge);
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(14,23,48,.92),rgba(7,10,18,.92));
}

/* 标签 */

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--edge);
  border-radius:var(--radius-pill);
  background:rgba(14,23,48,.82);
  font-family:var(--font-head);
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.03em;
  color:var(--mute);
}
.tag--violet{
  color:#EBD8FF;
  border-color:rgba(164,76,255,.62);
  background:rgba(164,76,255,.2);
}
.tag--mint{
  color:#9EF7D2;
  border-color:rgba(53,241,161,.5);
  background:rgba(53,241,161,.16);
}
.tag--amber{
  color:#FFCDB2;
  border-color:rgba(255,122,51,.58);
  background:rgba(255,122,51,.18);
}

/* 数据带 */

.stat-band{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(158px,1fr));
  gap:1px;
  border:1px solid var(--edge);
  border-radius:var(--radius-lg);
  background:var(--edge);
  overflow:hidden;
}
.stat{
  padding:clamp(14px,2vw,22px);
  background:linear-gradient(160deg,var(--ink-900),#0A1126);
}
.stat-value{
  display:block;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(1.5rem,3vw,2.25rem);
  line-height:1.1;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-value--mint{color:var(--mint)}
.stat-label{
  display:block;
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--mute);
}

/* 图片占位容器（页面阶段放入 img 或保持渐变占位） */

.media{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid var(--edge);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(120% 100% at 12% 0%,rgba(46,123,255,.38),transparent 62%),
    radial-gradient(100% 100% at 92% 100%,rgba(164,76,255,.34),transparent 62%),
    linear-gradient(160deg,#0B1226,#101A36 58%,#0A0F1F);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(233,238,248,.07) 0 1px,transparent 1px 4px),
    repeating-linear-gradient(90deg,rgba(233,238,248,.05) 0 1px,transparent 1px 26px);
}
.media > img,
.media > picture,
.media > picture img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media-caption{
  position:absolute;
  left:14px;
  bottom:14px;
  z-index:2;
  padding:4px 10px;
  border:1px solid var(--edge);
  border-radius:var(--radius-pill);
  background:rgba(7,10,18,.74);
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--paper);
}
.media-badge{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
}

/* 出场渐显（由 JS 添加 .is-visible） */

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

/* ---------- 响应式 ---------- */

@media (max-width:1080px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:grid;
    grid-template-rows:0fr;
    padding-inline:var(--gutter);
    border-bottom:1px solid var(--edge);
    background:linear-gradient(180deg,rgba(9,13,25,.99),rgba(14,23,48,.99));
    box-shadow:0 26px 52px rgba(0,0,0,.6);
    opacity:0;
    pointer-events:none;
    justify-content:stretch;
    transition:grid-template-rows .28s var(--ease),opacity .2s var(--ease);
  }
  .site-frame[data-open] .nav{
    grid-template-rows:1fr;
    opacity:1;
    pointer-events:auto;
    padding-block:12px 18px;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    min-height:0;
    overflow:hidden;
  }
  .nav-item{display:block}
  .nav-link{
    display:block;
    padding:14px 16px;
    border-color:var(--edge);
    border-radius:var(--radius-md);
    background:rgba(7,10,18,.62);
    font-size:1rem;
  }
  .nav-link[aria-current="page"]::after{
    left:auto;
    right:16px;
    top:50%;
    bottom:auto;
    width:8px;
    height:8px;
    border-radius:50%;
    transform:translateY(-50%);
  }
}

@media (max-width:900px){
  .quickbar{
    display:block;
    position:fixed;
    left:12px;
    right:12px;
    bottom:12px;
    z-index:70;
    padding:8px;
    border:1px solid var(--edge);
    border-radius:var(--radius-pill);
    background:linear-gradient(120deg,rgba(14,23,48,.97),rgba(27,30,74,.97));
    box-shadow:0 16px 40px rgba(0,0,0,.62);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
  }
  body{padding-bottom:86px}
  .site-footer{margin-bottom:0}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-map{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:720px){
  :root{--frame-h:70px}
  .frame-inner{gap:10px}
  .brand-name{font-size:1rem}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .display{font-size:clamp(2.1rem,9vw,3rem)}
}

@media (max-width:640px){
  .actions{display:none}
  .brand-meta{display:none}
  .footer-map{grid-template-columns:1fr;gap:22px}
  .footer-brandline{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-tag{letter-spacing:.1em}
  .footer-base{flex-direction:column;align-items:flex-start}
}

@media (max-width:400px){
  .brand-name{font-size:.9375rem}
  .quickbar-link{font-size:.8125rem;padding:10px 6px}
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .frame-progress-bar{transition:none}
}