/* ============================================================
   幻影体育 · 共享样式表 /assets/site.css
   暗夜赛场 · 数据幻影
   ============================================================ */

/* ---------- 01 reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
[hidden]{display:none!important}

/* ---------- 02 tokens ---------- */
:root{
  --indigo:#0A0E2A;
  --midnight:#111633;
  --cyan:#00E5FF;
  --violet:#8A5CFF;
  --orange:#FF8A3D;
  --fog:#E8ECF8;
  --slate:#7A86A8;
  --line:#2A3555;
  --ink:#05070F;
  --mint:#5CFFC8;

  --cyan-soft:rgba(0,229,255,.14);
  --violet-soft:rgba(138,92,255,.16);
  --body-dim:#C4CCE4;

  --font-sans:"Inter","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --wrap:1320px;
  --gap:clamp(16px,2.2vw,30px);
  --section-y:clamp(56px,6.6vw,110px);
  --header-h:76px;

  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-cyan:6px 6px 0 rgba(0,229,255,.42);
  --shadow-violet:6px 6px 0 rgba(138,92,255,.42);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 03 base ---------- */
body{
  background-color:var(--indigo);
  color:var(--fog);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.008em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(42,53,85,.42) 0 1px,transparent 1px 84px),
    repeating-linear-gradient(90deg,rgba(42,53,85,.26) 0 1px,transparent 1px 84px),
    radial-gradient(1100px 620px at 82% -10%,rgba(0,229,255,.10),transparent 62%),
    radial-gradient(900px 560px at 2% 6%,rgba(138,92,255,.12),transparent 60%);
}
h1,h2,h3,h4,h5{
  font-weight:900;
  line-height:1.12;
  letter-spacing:-.012em;
  color:var(--fog);
  text-wrap:balance;
}
p{text-wrap:pretty}
.num,.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 04 skip link ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:300;
  padding:11px 20px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  border:2px solid var(--ink);
  box-shadow:4px 4px 0 var(--ink);
  transition:top .16s var(--ease);
}
.skip-link:focus{top:14px}

/* ---------- 05 布局助手 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,3vw,40px)}
.wrap--narrow{max-width:820px}
.section{padding:var(--section-y) 0}
.section--tight{padding:calc(var(--section-y) * .55) 0}
.section--band{
  background:var(--midnight);
  border-top:2px solid var(--line);
  border-bottom:2px solid var(--line);
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px 32px;
  margin-bottom:clamp(24px,3vw,46px);
}
.section-head__title{font-size:clamp(26px,3.4vw,44px)}
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (min-width:821px){
  .grid--offset > *:nth-child(even){margin-top:clamp(20px,4vw,58px)}
}

/* ---------- 06 排版助手 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor;flex:0 0 auto}
.lede{font-size:clamp(16px,1.3vw,19px);line-height:1.85;color:var(--body-dim);max-width:64ch}
.display-1{font-size:clamp(38px,6.2vw,92px);line-height:1.02;letter-spacing:-.02em}
.display-2{font-size:clamp(28px,4.2vw,58px);line-height:1.06}
.rule{height:2px;background:var(--line);border:0;margin:0}
.rule--glow{background:linear-gradient(90deg,var(--cyan),var(--violet) 46%,transparent)}
.cut-corner{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%)}

/* ---------- 07 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 24px;
  border:2px solid var(--ink);
  background:var(--cyan);
  color:var(--ink);
  font-weight:800;
  font-size:15px;
  letter-spacing:.02em;
  box-shadow:5px 5px 0 rgba(0,229,255,.32);
  transition:transform .14s var(--ease),box-shadow .14s var(--ease),background .14s var(--ease),color .14s var(--ease),border-color .14s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,229,255,.44)}
.btn:active{transform:translate(0,0);box-shadow:3px 3px 0 rgba(0,229,255,.32)}
.btn--ghost{
  background:transparent;
  color:var(--fog);
  border-color:var(--line);
  box-shadow:5px 5px 0 var(--ink);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:8px 8px 0 rgba(0,229,255,.26)}
.btn--violet{
  background:var(--violet);
  color:#fff;
  border-color:var(--ink);
  box-shadow:5px 5px 0 rgba(138,92,255,.36);
}
.btn--violet:hover{box-shadow:8px 8px 0 rgba(138,92,255,.48)}
.btn--sm{padding:9px 16px;font-size:13.5px;box-shadow:4px 4px 0 rgba(0,229,255,.3)}
.btn--block{width:100%}

/* ---------- 08 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,14,42,.97);
  border-bottom:2px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan) 0 18%,var(--violet) 18% 32%,transparent 32%);
  pointer-events:none;
}
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:90;
  background:rgba(42,53,85,.55);
  pointer-events:none;
}
.scroll-progress > span{
  display:block;
  height:100%;
  width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--violet) 68%,var(--orange));
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
}
.site-header__inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(12px,2vw,30px);
  min-height:var(--header-h);
  padding:0 clamp(16px,3vw,40px);
  position:relative;
}
.site-header__brand-group{display:flex;align-items:center;gap:clamp(12px,1.6vw,22px);min-width:0}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:900;
  font-size:21px;
  line-height:1;
  border:2px solid var(--ink);
  box-shadow:4px 4px 0 rgba(0,229,255,.3);
  clip-path:polygon(0 0,100% 0,100% 76%,76% 100%,0 100%);
}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-weight:900;font-size:19px;line-height:1.2;letter-spacing:.02em;color:var(--fog)}
.brand__meta{
  display:block;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  color:var(--slate);
  line-height:1.4;
}

.season-chip{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 12px;
  border:1px solid var(--line);
  background:var(--midnight);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--slate);
  white-space:nowrap;
}
.season-chip__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--mint);
  animation:pulse 2.4s infinite;
}
.season-chip__value{color:var(--cyan);font-weight:700}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(92,255,200,.55)}
  70%{box-shadow:0 0 0 9px rgba(92,255,200,0)}
  100%{box-shadow:0 0 0 0 rgba(92,255,200,0)}
}

.site-nav{display:flex;justify-content:flex-end;flex:1 1 auto;min-width:0}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.site-nav__list > li > a{
  display:inline-block;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:700;
  color:var(--fog);
  border:2px solid transparent;
  transition:color .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease);
}
.site-nav__list > li > a:hover{color:var(--cyan);background:var(--midnight);border-color:var(--line)}
.site-nav__list > li > a[aria-current="page"]{
  color:var(--ink);
  background:var(--cyan);
  border-color:var(--ink);
  box-shadow:3px 3px 0 rgba(0,229,255,.35);
}
.site-nav__action{margin-left:10px}
.site-nav__action .btn{white-space:nowrap}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:2px solid var(--line);
  background:var(--midnight);
  color:var(--fog);
  font-weight:800;
  font-size:14px;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{display:grid;gap:4px;width:20px}
.nav-toggle__bars i{display:block;height:2px;background:var(--cyan);transition:transform .18s var(--ease),opacity .18s var(--ease)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 09 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:var(--section-y);
  background:var(--ink);
  border-top:2px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan) 0 22%,var(--violet) 22% 40%,var(--orange) 40% 48%,var(--line) 48%);
}
.site-footer__inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(46px,6vw,88px) clamp(16px,3vw,40px) clamp(32px,4vw,54px);
  display:grid;
  grid-template-columns:minmax(230px,1.5fr) minmax(140px,.75fr) minmax(140px,.75fr) minmax(230px,1.15fr);
  gap:clamp(28px,4vw,54px) clamp(20px,3vw,48px);
}
.footer-identity{min-width:0}
.footer-brand{display:inline-flex;align-items:center;gap:12px}
.footer-brand__mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:900;
  font-size:17px;
  line-height:1;
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
}
.footer-brand__name{font-weight:900;font-size:20px;letter-spacing:.02em;color:var(--fog)}
.footer-identity__line{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--slate);
  max-width:34ch;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer-legal a{
  display:inline-block;
  padding:6px 12px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--fog);
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.footer-legal a:hover{border-color:var(--cyan);color:var(--cyan)}

.footer-col__title{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:16px;
}
.footer-col__list{display:grid;gap:9px}
.footer-col__list a{
  display:inline-block;
  font-size:15px;
  color:#B9C2DC;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-col__list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.footer-contact__list{display:grid;gap:14px}
.footer-contact__row{display:grid;gap:2px}
.footer-contact__row dt{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--slate);
}
.footer-contact__row dd{
  font-family:var(--font-mono);
  font-size:13.5px;
  line-height:1.6;
  color:var(--fog);
  word-break:break-word;
}
.footer-contact__note{margin-top:16px;font-size:12.5px;line-height:1.75;color:var(--slate);max-width:34ch}

.site-footer__base{background:#070A18;border-top:1px solid var(--line)}
.site-footer__base-inner{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:16px clamp(16px,3vw,40px);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 26px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--slate);
}
.footer-copy,.footer-icp{margin:0}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 15px;
  border:2px solid var(--line);
  background:var(--midnight);
  color:var(--fog);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s linear,border-color .16s var(--ease),color .16s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 10 组件 ---------- */
.card{
  position:relative;
  background:var(--midnight);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
  padding:clamp(20px,2.4vw,32px);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.card--accent{border-color:var(--cyan);box-shadow:var(--shadow-cyan)}
.card--flat{box-shadow:none}
.card--flat:hover{box-shadow:none}
.card--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%)}

.stat{display:block}
.stat__value{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(38px,5vw,76px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.stat__unit{font-size:.4em;color:var(--slate);margin-left:.22em;letter-spacing:0;font-weight:500}
.stat__label{margin-top:12px;font-size:13.5px;color:var(--slate)}
.stat--violet .stat__value{color:var(--violet)}
.stat--orange .stat__value{color:var(--orange)}
.stat--mint .stat__value{color:var(--mint)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  background:var(--violet-soft);
  color:var(--fog);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
}
.tag--cyan{background:var(--cyan-soft);border-color:rgba(0,229,255,.5);color:var(--cyan)}
.tag--orange{background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.5);color:var(--orange)}
.tag--mint{background:rgba(92,255,200,.12);border-color:rgba(92,255,200,.45);color:var(--mint)}

.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-btn{
  padding:8px 16px;
  border:2px solid var(--line);
  background:transparent;
  color:var(--fog);
  font-family:var(--font-mono);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.04em;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease);
}
.filter-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.filter-btn[aria-pressed="true"]{
  background:var(--cyan);
  color:var(--ink);
  border-color:var(--ink);
  box-shadow:3px 3px 0 rgba(0,229,255,.35);
}
.filter-status{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--slate);
  margin-left:4px;
}
.is-in{animation:fadeInUp .18s var(--ease) both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.figure{
  margin:0;
  border:2px solid var(--line);
  background:var(--midnight);
  box-shadow:var(--shadow-hard);
  overflow:hidden;
}
.figure__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(135deg,rgba(0,229,255,.20),transparent 55%),
    linear-gradient(315deg,rgba(138,92,255,.24),transparent 62%);
}
.figure__media img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.figure__media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(232,236,248,.055) 0 1px,transparent 1px 34px);
}
.figure__caption{
  padding:12px 16px;
  border-top:2px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--slate);
}
.figure--wide .figure__media{aspect-ratio:21/9}
.figure--portrait .figure__media{aspect-ratio:3/4}
.figure--square .figure__media{aspect-ratio:1/1}
.figure--cut .figure__media{clip-path:polygon(0 0,100% 0,100% 86%,0 100%)}

.data-band{
  background:var(--ink);
  border-top:2px solid var(--line);
  border-bottom:2px solid var(--line);
}
.data-band__track{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  flex-wrap:wrap;
}
.data-band__item{
  flex:1 1 190px;
  padding:18px clamp(16px,2vw,28px);
  border-right:1px solid var(--line);
  min-width:0;
}
.data-band__item:last-child{border-right:0}

.breadcrumbs{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--slate);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:var(--cyan);margin-right:8px}
.breadcrumbs a{color:var(--fog);border-bottom:1px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--cyan)}

.prose{max-width:76ch}
.prose h2{font-size:clamp(22px,2.3vw,30px);margin:2.1em 0 .6em}
.prose h3{font-size:clamp(18px,1.6vw,21px);margin:1.7em 0 .5em;color:var(--cyan)}
.prose p{margin:0 0 1.1em;color:var(--body-dim)}
.prose ul{margin:0 0 1.2em}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.55em;color:var(--body-dim)}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--cyan)}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,229,255,.42)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose strong{color:var(--fog)}

/* ---------- 11 动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 12 响应式 ---------- */
@media (max-width:1100px){
  .nav-toggle{display:inline-flex}
  .site-header__inner{min-height:68px}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    justify-content:flex-start;
    background:var(--midnight);
    border-top:2px solid var(--line);
    border-bottom:2px solid var(--line);
    padding:16px clamp(16px,4vw,32px) 22px;
    max-height:calc(100vh - 130px);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s linear;
  }
  .site-header[data-open="true"] .site-nav{opacity:1;visibility:visible;transform:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__list > li > a{
    display:block;
    padding:14px 10px;
    font-size:16px;
    border:0;
    border-bottom:1px solid var(--line);
  }
  .site-nav__list > li > a[aria-current="page"]{box-shadow:none}
  .site-nav__action{margin:16px 0 0}
  .site-nav__action .btn{width:100%}
}
@media (max-width:1000px){
  .site-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .season-chip__label{display:none}
  .brand__meta{display:none}
}
@media (max-width:860px){
  .grid--3,.grid--2{grid-template-columns:minmax(0,1fr)}
  .grid--offset > *:nth-child(even){margin-top:0}
}
@media (max-width:720px){
  body{padding-bottom:74px}
  .site-header{
    position:fixed;
    top:auto;
    bottom:0;
    left:0;
    right:0;
    border-bottom:0;
    border-top:2px solid var(--line);
  }
  .site-header::after{content:none}
  .site-header__inner{min-height:64px}
  .site-nav{
    top:auto;
    bottom:100%;
    border-top:2px solid var(--line);
    border-bottom:0;
    box-shadow:0 -20px 44px rgba(5,7,15,.6);
  }
  .section{padding:calc(var(--section-y) * .75) 0}
  .data-band__item{border-right:0;border-bottom:1px solid var(--line)}
  .data-band__item:last-child{border-bottom:0}
}
@media (max-width:620px){
  body{font-size:16px}
  .site-footer__inner{grid-template-columns:minmax(0,1fr)}
  .grid--4{grid-template-columns:minmax(0,1fr)}
  .site-footer__base-inner{justify-content:flex-start}
}
@media (max-width:520px){
  .season-chip{display:none}
}

/* ---------- 13 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  [data-reveal]{opacity:1;transform:none}
  .scroll-progress > span{transition:none}
  .season-chip__dot{animation:none}
}