/* ============================================================
   三亿体育主站 · 共享样式表 /assets/site.css
   深海蓝底 + 荧光青结构信号 + 珊瑚橙数据高亮
   ============================================================ */

:root{
  --c-abyss:#061626;
  --c-deep:#030B14;
  --c-panel:#0C2338;
  --c-cyan:#29E0D6;
  --c-teal:#119C99;
  --c-coral:#FF6B4A;
  --c-coral-soft:#FFB199;
  --c-mist:#E8F1F6;
  --c-grey:#8FA3B3;
  --c-rule:#22384C;
  --c-sand:#F2C46B;

  --rail-w:88px;
  --strip-h:32px;
  --step:4px;

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

  --shadow-hard:6px 6px 0 rgba(3,11,20,.72);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-abyss);
  color:var(--c-mist);
  font:400 16.5px/1.75 var(--font-body);
  font-variant-numeric:tabular-nums;
  padding-top:var(--strip-h);
  padding-left:var(--rail-w);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(34,56,76,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(34,56,76,.55) 1px,transparent 1px);
  background-size:88px 88px;
  opacity:.42;
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
a{color:var(--c-cyan);text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
[hidden]{display:none !important}

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

.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;left:16px;top:-64px;
  z-index:90;
  padding:11px 18px;
  background:var(--c-cyan);
  color:#02141d;
  font:600 13px/1 var(--font-body);
  letter-spacing:.06em;
  text-decoration:none;
  border:2px solid #02141d;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ---------- 顶部阅读进度 ---------- */
.progress{
  position:fixed;
  top:0;left:var(--rail-w);right:0;
  height:2px;
  z-index:70;
  pointer-events:none;
}
.progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--c-teal),var(--c-cyan));
  box-shadow:0 0 12px rgba(41,224,214,.7);
}

/* ---------- header 外壳 ---------- */
.site-header{position:relative;z-index:50}

.status-strip{
  position:fixed;
  top:0;left:var(--rail-w);right:0;
  height:var(--strip-h);
  z-index:45;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:0 clamp(14px,2vw,26px);
  background:var(--c-deep);
  border-bottom:1px solid var(--c-rule);
}
.status-strip__now{
  display:flex;align-items:center;gap:9px;
  margin:0;
  font:500 11px/1 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-grey);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.status-strip__beacon{
  width:7px;height:7px;flex:none;
  background:var(--c-cyan);
  border-radius:50%;
  box-shadow:0 0 0 3px rgba(41,224,214,.16);
}
.status-strip__mail{
  font:500 11px/1 var(--font-mono);
  letter-spacing:.06em;
  color:var(--c-cyan);
  text-decoration:none;
  border-bottom:1px solid transparent;
  white-space:nowrap;
}
.status-strip__mail:hover{border-bottom-color:var(--c-cyan)}

/* ---------- 左侧轨道导航 ---------- */
.rail{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--rail-w);
  z-index:50;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:14px 0 16px;
  background:linear-gradient(180deg,#030B14 0%,#061626 55%,#030B14 100%);
  border-right:2px solid var(--c-rule);
}
.rail__brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-decoration:none;
  padding-bottom:14px;
}
.rail__brand-mark{
  font:900 22px/1 var(--font-head);
  letter-spacing:-.06em;
  color:var(--c-mist);
}
.rail__brand-rule{width:26px;height:2px;background:var(--c-cyan);margin:7px 0 6px}
.rail__brand-sub{
  font:500 10px/1 var(--font-mono);
  letter-spacing:.3em;
  color:var(--c-teal);
  text-transform:uppercase;
}
.rail__list{
  list-style:none;
  width:100%;
  margin:auto 0;
  display:flex;
  flex-direction:column;
}
.rail__item{position:relative;width:100%}
.rail__link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  min-height:56px;
  text-decoration:none;
  color:var(--c-grey);
  border-left:2px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.rail__link:hover{
  color:var(--c-mist);
  background:rgba(41,224,214,.06);
  border-left-color:var(--c-teal);
}
.rail__link[aria-current="page"]{
  color:var(--c-mist);
  background:linear-gradient(90deg,rgba(41,224,214,.18),rgba(41,224,214,0));
  border-left-color:var(--c-cyan);
}
.rail__link[aria-current="page"] .rail__index{color:var(--c-cyan)}
.rail__index{
  font:500 11px/1 var(--font-mono);
  letter-spacing:.1em;
  color:var(--c-rule);
  transition:color .18s ease;
}
.rail__link:hover .rail__index{color:var(--c-teal)}
.rail__text{
  position:absolute;
  left:calc(100% + 12px);
  top:50%;
  transform:translateY(-50%) translateX(-6px);
  z-index:60;
  padding:9px 14px;
  white-space:nowrap;
  background:var(--c-deep);
  border:2px solid var(--c-cyan);
  color:var(--c-mist);
  font:600 13px/1 var(--font-body);
  letter-spacing:.06em;
  box-shadow:6px 6px 0 rgba(3,11,20,.75);
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease,transform .18s ease;
}
.rail__link:hover .rail__text,
.rail__link:focus-visible .rail__text{
  opacity:1;
  transform:translateY(-50%) translateX(0);
}
.rail__foot{
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--c-rule);
}
.rail__search{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:var(--c-panel);
  border:2px solid var(--c-rule);
  color:var(--c-cyan);
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.rail__search:hover{border-color:var(--c-cyan);background:#10304a}
.rail__search-icon{
  position:relative;
  width:13px;height:13px;
  border:2px solid currentColor;
  border-radius:50%;
}
.rail__search-icon::after{
  content:"";
  position:absolute;
  right:-5px;bottom:-4px;
  width:7px;height:2px;
  background:currentColor;
  transform:rotate(45deg);
}
.rail__meta{
  margin:0;
  font:500 10px/1 var(--font-mono);
  letter-spacing:.2em;
  color:var(--c-rule);
}

/* ---------- 站内索引面板 ---------- */
.rail-index{
  position:fixed;
  left:var(--rail-w);
  top:calc(var(--strip-h) + 12px);
  z-index:56;
  width:min(300px,80vw);
  padding:18px 18px 20px;
  background:var(--c-panel);
  border:2px solid var(--c-rule);
  border-top-color:var(--c-cyan);
  box-shadow:8px 8px 0 rgba(3,11,20,.65);
}
.rail-index__title{
  margin:0 0 14px;
  font:500 11px/1 var(--font-mono);
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.rail-index__list{list-style:none}
.rail-index__list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:9px 6px;
  font:500 14px/1.4 var(--font-body);
  color:var(--c-mist);
  text-decoration:none;
  border-bottom:1px solid rgba(34,56,76,.7);
  transition:color .16s ease,background .16s ease;
}
.rail-index__list li:last-child a{border-bottom:0}
.rail-index__list a:hover{color:var(--c-cyan);background:rgba(41,224,214,.07)}
.rail-index__code{
  font:500 11px/1 var(--font-mono);
  letter-spacing:.1em;
  color:var(--c-rule);
}

/* ---------- 移动端抽屉按钮 ---------- */
.nav-toggle{
  position:fixed;
  left:16px;bottom:16px;
  z-index:62;
  display:none;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 18px;
  background:var(--c-panel);
  color:var(--c-mist);
  border:2px solid var(--c-cyan);
  box-shadow:6px 6px 0 rgba(3,11,20,.78);
  font:600 13px/1 var(--font-body);
  letter-spacing:.1em;
  cursor:pointer;
}
.nav-toggle__bars{
  position:relative;
  width:16px;height:2px;
  background:currentColor;
  box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;
}
.nav-toggle__label{white-space:nowrap}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,120px);
  background:var(--c-deep);
  border-top:2px solid var(--c-rule);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-2px;left:0;right:0;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--c-teal) 0 10px,transparent 10px 22px);
  opacity:.65;
}
.footer-blueprint{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.6fr 1.5fr;
  max-width:1440px;
  margin:0 auto;
}
.footer-col{
  padding:46px clamp(20px,2.4vw,36px);
  border-left:1px solid var(--c-rule);
}
.footer-col:first-child{border-left:0}
.footer-col__title{
  margin:0 0 18px;
  font:500 11px/1 var(--font-mono);
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.footer-brand{
  margin:0 0 8px;
  font:900 26px/1.1 var(--font-head);
  letter-spacing:-.03em;
  color:var(--c-mist);
}
.footer-brand__line{
  margin:0 0 16px;
  font:500 12px/1.5 var(--font-mono);
  letter-spacing:.12em;
  color:var(--c-cyan);
}
.footer-note{
  margin:0 0 12px;
  font:400 13.5px/1.75 var(--font-body);
  color:var(--c-grey);
  max-width:34ch;
}
.footer-note--sand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  color:var(--c-grey);
}
.footer-links{list-style:none}
.footer-links a{
  display:block;
  padding:7px 0;
  font:400 14px/1.5 var(--font-body);
  color:var(--c-grey);
  text-decoration:none;
  border-bottom:1px solid rgba(34,56,76,.65);
  transition:color .16s ease,padding-left .16s ease;
}
.footer-links li:last-child a{border-bottom:0}
.footer-links a:hover{color:var(--c-cyan);padding-left:6px}
.footer-meta{margin:0;font:400 13px/1.7 var(--font-mono)}
.footer-meta dt{
  margin-top:15px;
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.footer-meta dt:first-child{margin-top:0}
.footer-meta dd{
  margin:3px 0 0;
  color:var(--c-mist);
  overflow-wrap:anywhere;
}
.footer-baseline{
  max-width:1440px;
  margin:0 auto;
  padding:18px clamp(20px,2.4vw,36px) 30px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 28px;
  border-top:1px solid var(--c-rule);
}
.footer-baseline__item{
  margin:0;
  font:400 11.5px/1.7 var(--font-mono);
  letter-spacing:.04em;
  color:var(--c-grey);
}

/* ---------- 通用容器与图版 ---------- */
.container{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:clamp(20px,4vw,48px);
}
.container--wide{max-width:1560px}

.plate{
  position:relative;
  margin-block:clamp(52px,7vw,104px);
  padding-top:28px;
}
.plate::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--c-rule);
}
.plate::after{
  content:"";
  position:absolute;
  top:0;left:0;
  width:76px;height:3px;
  background:var(--c-cyan);
}
.plate__index{
  display:block;
  margin:0 0 14px;
  font:500 11px/1 var(--font-mono);
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.plate__title{
  margin:0 0 16px;
  font-size:clamp(28px,3vw,44px);
  color:var(--c-mist);
}
.plate__lede{
  margin:0 0 18px;
  max-width:68ch;
  font-size:17px;
  color:var(--c-mist);
}
.plate__note{
  margin:14px 0 0;
  max-width:68ch;
  font:400 12.5px/1.65 var(--font-mono);
  letter-spacing:.02em;
  color:var(--c-grey);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  border:2px solid var(--c-cyan);
  background:transparent;
  color:var(--c-cyan);
  font:600 14px/1 var(--font-body);
  letter-spacing:.08em;
  text-decoration:none;
  cursor:pointer;
  box-shadow:6px 6px 0 rgba(41,224,214,.16);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:hover{
  background:var(--c-cyan);
  color:#02141d;
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 rgba(41,224,214,.3);
}
.btn:active{transform:none;box-shadow:3px 3px 0 rgba(41,224,214,.3)}
.btn--accent{
  border-color:var(--c-coral);
  color:var(--c-coral);
  box-shadow:6px 6px 0 rgba(255,107,74,.18);
}
.btn--accent:hover{
  background:var(--c-coral);
  color:#1B0703;
  box-shadow:8px 8px 0 rgba(255,107,74,.32);
}
.btn--ghost{
  border-color:var(--c-rule);
  color:var(--c-mist);
  box-shadow:6px 6px 0 rgba(34,56,76,.5);
}
.btn--ghost:hover{
  background:var(--c-panel);
  color:var(--c-cyan);
  border-color:var(--c-cyan);
  box-shadow:8px 8px 0 rgba(34,56,76,.5);
}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:1px solid var(--c-teal);
  color:var(--c-cyan);
  font:500 11px/1 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--coral{border-color:var(--c-coral);color:var(--c-coral)}
.tag--sand{border-color:var(--c-sand);color:var(--c-sand)}

/* ---------- 数据表格 ---------- */
.data-scroll{
  overflow-x:auto;
  border:2px solid var(--c-rule);
  background:var(--c-panel);
  box-shadow:var(--shadow-hard);
}
.data-table{
  width:100%;
  min-width:560px;
  border-collapse:collapse;
  font:400 14px/1.5 var(--font-mono);
  font-variant-numeric:tabular-nums;
}
.data-table th{
  position:sticky;
  top:0;
  z-index:1;
  padding:13px 15px;
  background:#08192b;
  color:var(--c-grey);
  font:500 11px/1 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  text-align:left;
  white-space:nowrap;
  border-bottom:2px solid var(--c-rule);
}
.data-table td{
  padding:12px 15px;
  color:var(--c-mist);
  border-bottom:1px solid rgba(34,56,76,.65);
  white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:rgba(6,22,38,.6)}
.data-table tbody tr:hover{background:rgba(41,224,214,.07)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .is-coral{color:var(--c-coral);font-weight:500}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  background:var(--c-panel);
  border:2px solid var(--c-rule);
  box-shadow:var(--shadow-hard);
}
.media-frame img{
  width:100%;
  height:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(41,224,214,.13) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(41,224,214,.13) 1px,transparent 1px);
  background-size:44px 44px;
}
.media-frame--tall img{aspect-ratio:3 / 4}
.media-frame--square img{aspect-ratio:1 / 1}
.media-frame__cap{
  position:relative;
  z-index:1;
  margin:0;
  padding:10px 14px;
  background:var(--c-deep);
  border-top:1px solid var(--c-rule);
  font:400 12px/1.6 var(--font-mono);
  letter-spacing:.02em;
  color:var(--c-grey);
}

/* ---------- 面包屑 / 正文 / 面板 ---------- */
.breadcrumb{
  margin:0 0 22px;
  font:500 11px/1.6 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-grey);
}
.breadcrumb ol{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--c-grey);text-decoration:none}
.breadcrumb a:hover{color:var(--c-cyan)}
.breadcrumb li[aria-current="page"]{color:var(--c-mist)}
.breadcrumb li:not(:last-child)::after{
  content:"/";
  margin-left:8px;
  color:var(--c-rule);
}

.prose{max-width:68ch}
.prose h2{margin:1.6em 0 .6em;font-size:clamp(24px,2.2vw,32px)}
.prose h3{margin:1.4em 0 .5em;font-size:19px}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--c-mist);font-weight:700}
.prose a{color:var(--c-cyan)}

.panel{
  padding:24px clamp(18px,2vw,28px);
  background:var(--c-panel);
  border:2px solid var(--c-rule);
  box-shadow:var(--shadow-hard);
}
.panel__title{
  margin:0 0 14px;
  font:600 15px/1.4 var(--font-body);
  letter-spacing:.02em;
  color:var(--c-mist);
}
.panel + .panel{margin-top:14px}

.stack > * + *{margin-top:var(--stack-gap,16px)}

/* ---------- 引入显现动效协议 ---------- */
[data-reveal]{opacity:1}
html[data-reveal-ready] [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .5s ease,transform .5s ease;
  transition-delay:var(--reveal-delay,0ms);
  will-change:opacity,transform;
}
html[data-reveal-ready] [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width:1100px){
  .footer-blueprint{grid-template-columns:1fr 1fr}
  .footer-col{padding:38px clamp(18px,3vw,30px)}
  .footer-col:nth-child(-n+2){border-top:0}
  .footer-col:nth-child(odd){border-left:0}
  .footer-col{border-top:1px solid var(--c-rule)}
  .footer-note{max-width:52ch}
}

/* ---------- 响应式：移动端轨道转抽屉 ---------- */
@media (max-width:1023px){
  :root{--rail-w:0px}

  .status-strip{padding:0 14px}
  .status-strip__mail{font-size:10px}

  .nav-toggle{display:inline-flex}

  .rail{
    width:min(82vw,320px);
    align-items:stretch;
    padding:0 0 22px;
    border-right:2px solid var(--c-rule);
    transform:translateX(-104%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
  }
  .rail[data-open]{
    transform:translateX(0);
    box-shadow:14px 0 0 rgba(3,11,20,.6);
  }

  .rail__brand{
    align-items:flex-start;
    padding:22px 22px 18px;
    border-bottom:1px solid var(--c-rule);
  }
  .rail__brand-mark{font-size:24px}
  .rail__brand-rule{margin:8px 0 7px}

  .rail__list{margin:0;padding:8px 0;overflow-y:auto}

  .rail__link{
    flex-direction:row;
    justify-content:flex-start;
    align-items:center;
    gap:14px;
    min-height:58px;
    padding:0 22px;
    border-left-width:3px;
  }
  .rail__text{
    position:static;
    transform:none;
    opacity:1;
    padding:0;
    background:none;
    border:0;
    box-shadow:none;
    font:600 16px/1 var(--font-body);
    color:inherit;
    pointer-events:auto;
  }
  .rail__link:hover .rail__text,
  .rail__link:focus-visible .rail__text{transform:none;opacity:1}
  .rail__index{font-size:11px;color:var(--c-teal)}

  .rail__foot{
    flex-direction:row;
    justify-content:space-between;
    padding:16px 22px 0;
  }
  .rail__search{display:none}
  .rail-index{display:none !important}

  .footer-baseline{padding-bottom:80px}
}

/* ---------- 响应式：手机 ---------- */
@media (max-width:640px){
  body{font-size:16px}
  body::before{background-size:44px 44px;opacity:.3}
  .progress{left:0}
  .status-strip__now{letter-spacing:.08em}
  .status-strip__mail{max-width:52%;overflow:hidden;text-overflow:ellipsis}
  .footer-blueprint{grid-template-columns:1fr}
  .footer-col{border-left:0;padding:30px 20px}
  .footer-col:first-child{border-top:0}
  .footer-brand{font-size:22px}
  .footer-baseline{padding:16px 20px 84px}
  .footer-baseline__item{font-size:11px}
  .data-table{min-width:480px}
  .plate__lede{font-size:16px}
}

/* ---------- 动效降级 ---------- */
@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[data-reveal-ready] [data-reveal]{
    opacity:1 !important;
    transform:none !important;
  }
}