/* ===================================================================
   完美体育CN · 共享站点样式 /assets/site.css
   竞技场夜间数据指挥中心 / 目录型内容地图
   =================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --arena-deep:#0B1F1A;
  --carbon:#14171A;
  --pitch-shadow:#1E2E28;
  --lime-pulse:#C8FF3D;
  --orange-volt:#FF6A2B;
  --ice-blue:#9FD8FF;
  --warm-white:#F4F1E8;
  --glass-mint:rgba(180,255,220,0.14);
  --data-gray:#7C8A84;
  --focus-cyan:#3DDCFF;

  --ink:#F4F1E8;
  --ink-soft:rgba(244,241,232,0.78);
  --ink-mute:rgba(244,241,232,0.58);
  --line:rgba(244,241,232,0.12);
  --line-strong:rgba(244,241,232,0.26);
  --lime-line:rgba(200,255,61,0.28);

  --font-display:"Barlow Condensed","Oswald","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1200px;
  --gutter:clamp(18px,4vw,44px);
  --header-h:72px;
  --ease:cubic-bezier(.22,.68,.24,1);
  --scroll-progress:0;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
}
body{
  margin:0;
  min-height:100%;
  background-color:var(--arena-deep);
  background-image:
    radial-gradient(1100px 520px at 84% -12%,rgba(200,255,61,0.12),transparent 60%),
    radial-gradient(900px 460px at 4% -6%,rgba(159,216,255,0.10),transparent 58%),
    linear-gradient(180deg,rgba(30,46,40,0.70) 0%,rgba(11,31,26,0) 420px);
  background-repeat:no-repeat;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;padding:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
::selection{background:var(--lime-pulse);color:var(--arena-deep)}

/* ---------- 3. 焦点可见 ---------- */
:focus-visible{outline:2px solid var(--focus-cyan);outline-offset:3px}
:focus:not(:focus-visible){outline:none}

/* ---------- 4. 中文排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.04;
  letter-spacing:.01em;
  color:var(--warm-white);
}
h1{font-size:clamp(2.1rem,5.6vw,4.4rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.5rem);line-height:1.16}
h4{font-size:1.05rem;line-height:1.2}
p{margin:0}
strong{font-weight:600;color:var(--warm-white)}
small{font-size:.82em;color:var(--ink-mute)}

/* ---------- 5. 布局与容器 ---------- */
.container{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page-offset{padding-top:calc(var(--header-h) + clamp(20px,4vw,48px))}
.section{padding-block:clamp(40px,7vw,88px)}
.section-head{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-head h2{max-width:24ch}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ice-blue);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--lime-pulse);
  flex:0 0 auto;
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.grid{
  display:grid;
  gap:clamp(16px,2.4vw,28px);
  grid-template-columns:1fr;
}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.2;
  border:1px solid transparent;
  border-radius:1px;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{
  background:var(--lime-pulse);
  color:var(--arena-deep);
}
.btn-primary:hover{background:#DBFF78}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(180,255,220,0.10);
  border-color:var(--line-strong);
  color:var(--warm-white);
}
.btn-ghost:hover{
  border-color:var(--lime-line);
  color:var(--lime-pulse);
}

/* ---------- 7. 卡片 / 标签 / 框景 ---------- */
.panel{
  background:var(--pitch-shadow);
  border:1px solid var(--line);
  border-radius:2px;
  padding:clamp(18px,2.6vw,28px);
}
.panel--glass{
  background:var(--glass-mint);
  border-color:rgba(180,255,220,0.30);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 8px;
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  line-height:1.4;
}
.tag--lime{color:var(--lime-pulse)}
.tag--orange{color:var(--orange-volt)}
.tag--blue{color:var(--ice-blue)}

.frame{
  position:relative;
  border:1px solid var(--line-strong);
  padding:clamp(16px,3vw,32px);
  background:linear-gradient(160deg,rgba(30,46,40,0.72),rgba(11,31,26,0.28));
}
.frame::before,
.frame::after{
  content:"";
  position:absolute;
  width:14px;
  height:14px;
  border:2px solid var(--lime-pulse);
  pointer-events:none;
}
.frame::before{
  top:-1px;left:-1px;
  border-right:0;border-bottom:0;
}
.frame::after{
  bottom:-1px;right:-1px;
  border-left:0;border-top:0;
}

/* ---------- 8. 图例 ---------- */
.legend{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.10em;
  color:var(--data-gray);
}
.legend-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.legend-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime-pulse);
  flex:0 0 auto;
}
.legend-dot--orange{background:var(--orange-volt)}
.legend-dot--blue{background:var(--ice-blue)}

/* ---------- 9. 图片容器（共享基础规则） ---------- */
.media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:linear-gradient(160deg,#16302A,#0B1F1A);
  border:1px solid var(--line);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:contrast(1.08) saturate(.92) brightness(.92);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(200,255,61,0.07) 0 1px,transparent 1px 4px);
  mix-blend-mode:screen;
}
.media--wide{aspect-ratio:21 / 9}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:3 / 4}
.media--grid::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(159,216,255,0.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(159,216,255,0.16) 1px,transparent 1px);
  background-size:44px 44px;
  mix-blend-mode:screen;
}
.media-caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  padding:6px 10px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--warm-white);
  background:rgba(11,31,26,0.72);
  border-top:1px solid var(--lime-line);
  border-right:1px solid var(--lime-line);
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs{display:block;margin-block:clamp(14px,2vw,20px)}
.breadcrumbs-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.10em;
  color:var(--data-gray);
}
.breadcrumbs-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumbs-item + .breadcrumbs-item::before{
  content:"›";
  color:rgba(124,138,132,0.85);
}
.breadcrumbs-link{color:var(--ice-blue)}
.breadcrumbs-link:hover{color:var(--lime-pulse)}
.breadcrumbs-current{color:var(--warm-white)}

/* ---------- 11. 正文面板 ---------- */
.prose{
  max-width:68ch;
  font-size:17px;
  line-height:1.8;
  color:rgba(244,241,232,0.86);
}
.prose h2,
.prose h3{margin-top:1.6em;margin-bottom:.5em}
.prose p + p{margin-top:1em}
.prose a{
  color:var(--ice-blue);
  text-decoration:underline;
  text-underline-offset:3px;
}
.prose a:hover{color:var(--lime-pulse)}
.prose ul,
.prose ol{
  list-style:disc;
  padding-left:1.15em;
  margin-block:.9em;
}
.prose ol{list-style:decimal}
.prose li{margin-block:.35em}
.prose strong{color:var(--warm-white)}

/* ---------- 12. 头部 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:linear-gradient(180deg,rgba(11,31,26,0.82) 0%,rgba(11,31,26,0.34) 64%,rgba(11,31,26,0) 100%);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  height:2px;
  width:calc(var(--scroll-progress) * 100%);
  background:linear-gradient(90deg,var(--ice-blue),var(--lime-pulse) 55%,var(--orange-volt));
  transition:width .12s linear;
  pointer-events:none;
}
.site-header[data-scrolled="true"]{
  background-color:rgba(11,31,26,0.96);
  background-image:none;
  border-bottom-color:var(--lime-line);
  box-shadow:0 14px 32px -20px rgba(0,0,0,0.95);
}
.header-inner{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
  height:100%;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,22px);
}
.header-rail{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:5px;
  pointer-events:none;
  opacity:.4;
  background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 14px);
  background-repeat:repeat-x;
  background-size:auto 4px;
  background-position:0 100%;
}
.skip-link{
  position:fixed;
  top:8px;
  left:8px;
  z-index:200;
  padding:10px 16px;
  background:var(--lime-pulse);
  color:var(--arena-deep);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0)}

/* 品牌锁定 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding-block:6px;
  color:var(--warm-white);
}
.brand-mark{
  position:relative;
  width:32px;
  height:32px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border:1px solid var(--lime-line);
  background:linear-gradient(150deg,rgba(200,255,61,0.22),rgba(200,255,61,0) 70%);
  clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);
}
.brand-pulse{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime-pulse);
  animation:pulse-ring 2.8s var(--ease) infinite;
}
@keyframes pulse-ring{
  0%{box-shadow:0 0 0 0 rgba(200,255,61,0.50)}
  70%{box-shadow:0 0 0 12px rgba(200,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(200,255,61,0)}
}
.brand-text{
  display:flex;
  flex-direction:column;
  min-width:0;
  line-height:1.12;
}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  letter-spacing:.02em;
  color:var(--warm-white);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--data-gray);
  white-space:nowrap;
}
.brand-status{
  display:none;
  padding:4px 8px;
  border:1px dashed rgba(159,216,255,0.42);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--ice-blue);
  white-space:nowrap;
}

/* 移动按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:9px 12px;
  border:1px solid var(--line-strong);
  background:rgba(180,255,220,0.10);
  color:var(--warm-white);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime-line);color:var(--lime-pulse)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:16px;
  height:12px;
  background:linear-gradient(currentColor,currentColor) center/16px 2px no-repeat;
  transition:background-size .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:currentColor;
  transition:transform .24s var(--ease),top .24s var(--ease),bottom .24s var(--ease);
}
.nav-toggle-bars::before{top:0}
.nav-toggle-bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background-size:0 2px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{bottom:5px;transform:rotate(-45deg)}
.nav-toggle-label{letter-spacing:.18em;line-height:1}

/* 主导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(6px,1.4vw,18px);
  margin-left:auto;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}
.nav-item{position:relative}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 11px;
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--ink-soft);
  border-radius:2px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  bottom:5px;
  height:2px;
  background:var(--lime-pulse);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--warm-white);background:rgba(180,255,220,0.10)}
.nav-link:hover::after{transform:scaleX(.4)}
.nav-link[aria-current="page"]{color:var(--lime-pulse)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{
  margin-left:8px;
  padding:9px 16px;
  font-size:13px;
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  background:var(--carbon);
  color:var(--warm-white);
  border-top:1px solid var(--lime-line);
}
.footer-coord{
  height:8px;
  border-bottom:1px solid var(--line);
  opacity:.55;
  background-image:repeating-linear-gradient(90deg,rgba(200,255,61,0.55) 0 2px,transparent 2px 26px);
  background-repeat:repeat-x;
}
.footer-inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(32px,5vw,60px) var(--gutter) clamp(20px,3vw,28px);
}
.footer-grid{
  display:grid;
  gap:clamp(26px,4vw,44px);
  grid-template-columns:1fr;
}
.footer-brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
}
.footer-kicker{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ice-blue);
}
.footer-lockup{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(24px,4vw,34px);
  line-height:1.02;
  letter-spacing:.02em;
  color:var(--warm-white);
}
.footer-tagline{
  max-width:32ch;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-mute);
}
.footer-cta{margin-top:4px}
.footer-group-title{
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--data-gray);
  line-height:1.5;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:8px;
  list-style:none;
}
.footer-link{
  display:inline-flex;
  align-items:center;
  font-size:14px;
  color:var(--ink-soft);
  transition:color .2s var(--ease);
}
.footer-link::before{
  content:"";
  width:0;
  height:1px;
  margin-right:0;
  background:var(--lime-pulse);
  transition:width .2s var(--ease),margin-right .2s var(--ease);
}
.footer-link:hover{color:var(--lime-pulse)}
.footer-link:hover::before{width:12px;margin-right:8px}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:8px 28px;
  margin-top:clamp(22px,3vw,32px);
  padding-top:clamp(18px,2.5vw,24px);
  border-top:1px solid var(--line);
}
.footer-contact-item{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-size:13px;
  color:var(--ink-soft);
}
.footer-contact-label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--data-gray);
}
.footer-contact-value{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--warm-white);
}
.footer-contact-note{
  flex:1 1 100%;
  max-width:64ch;
  font-size:12px;
  line-height:1.7;
  color:var(--data-gray);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
  margin-top:clamp(20px,3vw,28px);
  padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--data-gray);
}
.footer-legal{color:var(--data-gray)}
.footer-note{color:var(--data-gray)}
.footer-note .footer-link{font-size:11px;color:var(--ice-blue);margin-left:4px}
.footer-copy{margin-left:auto;color:var(--ink-mute)}

/* ---------- 14. 滚动显现 ---------- */
html.has-reveal [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
  transition-delay:calc(var(--reveal-delay,0) * 1ms);
}
html.has-reveal [data-reveal].is-visible{
  opacity:1;
  transform:none;
}
body.is-nav-open{overflow:hidden}

/* ---------- 15. 响应式 ---------- */
@media (min-width:640px){
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.5fr .95fr .95fr .95fr;align-items:start}
}
@media (min-width:1080px){
  .brand-status{display:inline-block}
}
@media (max-width:1080px) and (min-width:901px){
  .nav-link{padding:8px 8px;font-size:13px}
  .nav-cta{padding:8px 12px;font-size:12px}
}
@media (max-width:900px){
  :root{--header-h:64px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    display:block;
    margin-left:0;
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    padding:14px var(--gutter) 26px;
    background:rgba(11,31,26,0.97);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    backdrop-filter:blur(16px) saturate(140%);
    border-bottom:1px solid var(--lime-line);
    box-shadow:0 26px 44px -26px rgba(0,0,0,0.95);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s linear;
  }
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item + .nav-item{border-top:1px solid var(--line)}
  .nav-link{
    display:flex;
    justify-content:flex-start;
    padding:15px 10px 15px 16px;
    font-size:16px;
    color:var(--warm-white);
  }
  .nav-link::after{display:none}
  .nav-link:hover{background:rgba(180,255,220,0.10)}
  .nav-link[aria-current="page"]{
    color:var(--lime-pulse);
    background:rgba(200,255,61,0.07);
  }
  .nav-link[aria-current="page"]::before{
    content:"";
    position:absolute;
    left:0;
    top:13px;
    bottom:13px;
    width:3px;
    background:var(--lime-pulse);
  }
  .nav-cta{
    width:100%;
    margin:16px 0 0;
    padding:13px 16px;
    font-size:14px;
  }
  .footer-copy{margin-left:0;flex-basis:100%}
}
@media (max-width:400px){
  .brand-name{font-size:17px}
  .brand-sub{font-size:9px;letter-spacing:.13em}
  .nav-toggle{padding:8px 10px}
  .footer-contact{gap:6px 16px}
}

/* ---------- 16. 降低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.has-reveal [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    transition-delay:0ms !important;
  }
  .footer-link:hover::before{width:0;margin-right:0}
  .site-header::before{transition:none}
}