/* ==========================================================================
   九游体育苹果 · 共享站点样式 /assets/site.css
   夜间球场 + 数据侦探室：深度底色、青柠数据、橙色操作、粗野硬边
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,video,picture{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
a{color:inherit;text-decoration:none}

/* ---------- 2. Tokens ---------- */
:root{
  --night:#0B1F1A;
  --char:#12161C;
  --tunnel:#14332A;
  --lime:#C8FF3D;
  --orange:#FF6A1A;
  --warm:#F6F2E7;
  --mist:#9AA79F;
  --cyan:#35E0C0;
  --rust:#B34700;
  --edge:#2C4A3E;

  --font-display:"Archivo Narrow","Arial Narrow","Helvetica Neue",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-data:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  --ease:cubic-bezier(.2,.8,.2,1);
  --edge-w:2px;
  --shadow-hard:8px 8px 0 var(--edge);
  --shadow-lime:6px 6px 0 var(--lime);
  --gutter:clamp(18px,4vw,48px);
  --shell-max:1280px;
}

/* ---------- 3. Base / 中文排版 ---------- */
body{
  background:var(--night);
  color:var(--warm);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  font-stretch:88%;
  letter-spacing:.04em;
  line-height:1.1;
  color:var(--warm);
}
h1{font-size:clamp(34px,5.4vw,56px)}
h2{font-size:clamp(26px,3.4vw,34px)}
h3{font-size:clamp(18px,2vw,20px);letter-spacing:.06em}
h4{font-size:17px;letter-spacing:.06em}
p{line-height:1.75}
strong,b{color:var(--lime);font-weight:700}
::selection{background:var(--lime);color:var(--night)}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
}

#main-content{display:block;padding-top:clamp(104px,14vh,148px)}

.mono{font-family:var(--font-data);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 4. 布局：容器 / 网格 / 分区 ---------- */
.container{width:100%;max-width:var(--shell-max);margin:0 auto;padding:0 var(--gutter)}

.grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.grid + .grid{margin-top:clamp(24px,3vw,40px)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}
.offset-down{margin-top:clamp(24px,4vw,48px)}

.band{
  padding:clamp(56px,9vw,140px) 0;
  background:var(--night);
  border-top:2px solid var(--edge);
}
.band--char{background:var(--char)}
.band--tunnel{background:var(--tunnel)}
.band--edge{border-top:3px solid var(--lime)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{content:"";width:18px;height:3px;background:var(--orange)}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;
  border:var(--edge-w) solid transparent;
  font-family:var(--font-data);
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),
             background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn--primary{
  background:var(--orange);
  color:var(--char);
  border-color:var(--char);
  font-weight:700;
  box-shadow:var(--shadow-lime);
}
.btn--primary:hover{transform:translate(2px,2px);box-shadow:4px 4px 0 var(--lime);background:var(--lime)}
.btn--primary:active{transform:translate(6px,6px);box-shadow:0 0 0 var(--lime);background:var(--rust);color:var(--warm)}
.btn--ghost{
  background:transparent;
  color:var(--warm);
  border-color:var(--edge);
}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);transform:translate(2px,2px)}
.btn--ghost:active{transform:translate(4px,4px);border-color:var(--orange);color:var(--orange)}

/* ---------- 6. 面包屑 / 正文 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0 0 24px;
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mist);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:var(--edge)}
.crumb-link{color:var(--mist);transition:color .16s var(--ease)}
.crumb-link:hover{color:var(--lime)}
.crumb-current{color:var(--lime)}

.prose{max-width:66ch}
.prose > * + *{margin-top:1.2em}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose a{color:var(--lime);border-bottom:1px solid var(--edge);transition:border-color .16s var(--ease)}
.prose a:hover{border-color:var(--lime)}
.prose ul{list-style:square;padding-left:1.3em}
.prose ol{list-style:decimal;padding-left:1.4em}
.prose li{margin-top:.5em;line-height:1.75}
.prose ul::marker{color:var(--lime)}
.prose ol::marker{color:var(--orange);font-family:var(--font-data)}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:3px solid var(--lime);color:var(--mist)}
.prose code{font-family:var(--font-data);font-size:.9em;background:var(--tunnel);border:1px solid var(--edge);padding:2px 6px}

/* ---------- 7. 图片容器 ---------- */
.frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--tunnel);
  border:3px solid var(--edge);
  box-shadow:var(--shadow-hard);
}
.frame--wide{aspect-ratio:16/9}
.frame--square{aspect-ratio:1/1}
.frame--tall{aspect-ratio:4/5}
.frame > img,.frame > picture > img{width:100%;height:100%;object-fit:cover}
.frame::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(246,242,231,.10) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(0deg,rgba(246,242,231,.10) 0 1px,transparent 1px 56px);
}
.frame__tag{
  position:absolute;left:0;bottom:0;z-index:2;
  background:var(--lime);color:var(--char);
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  padding:6px 12px;
}
.frame__cap{display:block;margin-top:12px;font-size:13px;line-height:1.6;color:var(--mist)}

/* ---------- 8. 时间轴 / 数据组件 ---------- */
.timeline{border-left:2px solid var(--edge);padding-left:0}
.timeline-item{position:relative;padding:0 0 32px 28px}
.timeline-item::before{
  content:"";
  position:absolute;left:-9px;top:8px;
  width:16px;height:16px;
  background:var(--night);
  border:3px solid var(--lime);
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.timeline-item[data-state="active"]::before{background:var(--orange);border-color:var(--orange)}
.timeline-code{
  display:block;
  font-family:var(--font-data);
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
}

.stat{border-top:2px solid var(--edge);padding-top:12px}
.stat-value{
  display:block;
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:clamp(40px,6vw,72px);
  line-height:1;
  color:var(--lime);
  letter-spacing:-.01em;
}
.stat-label{display:block;margin-top:8px;font-size:13px;letter-spacing:.08em;color:var(--mist)}
.figure-big{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:clamp(72px,13vw,160px);
  line-height:.9;
  color:var(--lime);
}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border:2px solid var(--edge);
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mist);
}
.tag--lime{border-color:var(--lime);color:var(--lime)}
.tag--orange{background:var(--orange);border-color:var(--orange);color:var(--char)}

/* ---------- 9. 数据表 ---------- */
.table-scroll{
  width:100%;
  overflow-x:auto;
  background:var(--char);
  border:3px solid var(--edge);
}
.data-table{min-width:560px;font-size:14.5px}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(44,74,62,.9)}
.data-table thead th{
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);
  background:var(--tunnel);
  border-bottom:2px solid var(--edge);
}
.data-table tbody tr:nth-child(even){background:rgba(20,51,42,.45)}
.data-table tbody tr:hover{background:rgba(200,255,61,.07)}
.data-table td{font-variant-numeric:tabular-nums}
.data-table td:first-child{font-family:var(--font-data);color:var(--cyan)}

/* ---------- 10. Skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  transform:translateY(-180%);
  background:var(--lime);color:var(--night);
  border:2px solid var(--night);
  padding:10px 16px;
  font-family:var(--font-data);font-size:13px;font-weight:700;letter-spacing:.1em;
  transition:transform .16s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 11. Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
  color:var(--warm);
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header[data-stuck="true"]{
  background:rgba(11,31,26,.97);
  box-shadow:0 2px 0 var(--edge),0 22px 44px -34px rgba(0,0,0,.95);
}

.tape{
  display:flex;align-items:center;gap:clamp(12px,3vw,36px);
  max-height:44px;
  overflow:hidden;
  padding:9px var(--gutter);
  border-bottom:1px solid rgba(44,74,62,.8);
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--mist);
  transition:max-height .28s var(--ease),opacity .2s var(--ease),
             padding .28s var(--ease),border-color .28s var(--ease);
}
.site-header[data-stuck="true"] .tape{
  max-height:0;opacity:0;
  padding-top:0;padding-bottom:0;
  border-color:transparent;
}
.tape-item{white-space:nowrap}
.tape-item--lime{color:var(--lime)}
.tape-fill{margin-left:auto;color:var(--orange)}

.header-bar{
  display:flex;align-items:center;gap:clamp(14px,2vw,32px);
  max-width:var(--shell-max);margin:0 auto;
  padding:clamp(10px,1.6vw,16px) var(--gutter);
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--warm)}
.brand-glyph{
  position:relative;
  width:26px;height:26px;flex:0 0 auto;
  border:2px solid var(--lime);
  box-shadow:4px 4px 0 rgba(200,255,61,.18);
  transition:box-shadow .18s var(--ease);
}
.brand-glyph::after{content:"";position:absolute;inset:6px;background:var(--lime)}
.brand:hover .brand-glyph{box-shadow:6px 6px 0 var(--orange)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-line{
  font-family:var(--font-display);
  font-size:clamp(17px,1.6vw,20px);font-weight:800;
  letter-spacing:.14em;
}
.brand-sub{
  font-family:var(--font-data);
  font-size:10px;letter-spacing:.2em;
  color:var(--mist);
}

.site-nav{display:flex;align-items:center;gap:clamp(6px,1.4vw,22px);margin-left:auto}
.nav-list{display:flex;align-items:center;gap:clamp(4px,1.4vw,20px)}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 2px;
  font-size:15px;letter-spacing:.06em;
  color:var(--warm);
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;left:-12px;top:50%;
  width:6px;height:0;
  background:var(--lime);
  transform:translateY(-50%);
  transition:height .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:2px;
  width:100%;height:2px;
  background:var(--lime);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .22s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--lime);transform:translateX(2px)}
.nav-link:hover::before,.nav-link:focus-visible::before{height:1.1em}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--lime)}
.nav-link[aria-current="page"]::before{height:1.1em;background:var(--orange)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}

.nav-foot{display:none}
.nav-foot-title{
  margin:0 0 12px;
  font-family:var(--font-data);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--mist);
}
.nav-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-block;
  padding:6px 12px;
  border:2px solid var(--edge);
  font-size:13px;color:var(--warm);
  transition:border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.chip:hover{border-color:var(--lime);color:var(--lime);transform:translate(2px,2px)}

.header-actions{position:relative;z-index:130;display:flex;align-items:center;gap:12px;flex:0 0 auto}
.header-cta{padding:11px 18px;font-size:12px}
.nav-cta{display:none}

.nav-toggle{display:none;align-items:center;gap:8px;color:var(--warm)}
.nav-toggle-glyph{position:relative;display:block;width:18px;height:12px}
.nav-toggle-glyph span{
  position:absolute;left:0;right:0;height:2px;background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle-glyph span:first-child{top:0}
.nav-toggle-glyph span:last-child{bottom:0}
.nav-toggle-text{font-family:var(--font-data);font-size:12px;letter-spacing:.16em}
.site-header[data-open="true"] .nav-toggle-glyph span:first-child{transform:translateY(5px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-glyph span:last-child{transform:translateY(-5px) rotate(-45deg)}

.nav-scrim{
  position:fixed;inset:0;z-index:110;
  background:rgba(11,31,26,.74);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.nav-scrim[data-open="true"]{opacity:1;visibility:visible}

.scroll-meter{
  position:absolute;left:0;bottom:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--lime),var(--orange));
  transform:scaleX(0);transform-origin:0 50%;
}

/* ---------- 12. 底部数据条 ---------- */
.dockbar{
  position:fixed;left:0;right:0;bottom:0;z-index:105;
  display:none;
  grid-template-columns:repeat(3,1fr);
  background:rgba(18,22,28,.97);
  border-top:2px solid var(--edge);
  padding-bottom:env(safe-area-inset-bottom,0);
}
.dock-link{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:10px 4px 12px;
  border-right:1px solid rgba(44,74,62,.7);
  font-size:12px;letter-spacing:.06em;
  color:var(--mist);
  transition:color .16s var(--ease);
}
.dock-link:last-child{border-right:0}
.dock-link:hover,.dock-link:focus-visible,.dock-link[aria-current="page"]{color:var(--lime)}
.dock-dot{width:26px;height:4px;background:currentColor;opacity:.45;transition:opacity .16s var(--ease)}
.dock-link[aria-current="page"] .dock-dot{opacity:1;background:var(--orange)}

/* ---------- 13. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,10vw,140px);
  background:var(--char);
  border-top:2px solid var(--edge);
  color:var(--warm);
}
.footer-skyline{
  display:flex;align-items:flex-end;
  gap:clamp(8px,1.6vw,20px);
  height:52px;
  padding:0 var(--gutter);
  overflow:hidden;
  border-bottom:1px solid rgba(200,255,61,.35);
}
.footer-skyline span{
  flex:1 1 auto;
  height:28%;
  border-top:1px solid rgba(200,255,61,.6);
  background:linear-gradient(180deg,rgba(200,255,61,.16),rgba(200,255,61,0));
}
.footer-skyline span:nth-child(1){height:22%}
.footer-skyline span:nth-child(2){height:58%}
.footer-skyline span:nth-child(3){height:38%}
.footer-skyline span:nth-child(4){height:72%}
.footer-skyline span:nth-child(5){height:30%}
.footer-skyline span:nth-child(6){height:86%}
.footer-skyline span:nth-child(7){height:46%}
.footer-skyline span:nth-child(8){height:66%}
.footer-skyline span:nth-child(9){height:34%}

.footer-inner{
  display:grid;
  grid-template-columns:1.3fr 1.9fr 1.3fr;
  gap:clamp(28px,4vw,56px);
  max-width:var(--shell-max);
  margin:0 auto;
  padding:clamp(40px,6vw,72px) var(--gutter) 32px;
}
.footer-brand-line{
  font-family:var(--font-display);
  font-size:22px;font-weight:800;letter-spacing:.14em;
  color:var(--lime);
}
.footer-brand-sub{margin-top:10px;font-size:14px;color:var(--warm)}
.footer-brand-note{
  margin-top:14px;max-width:34ch;
  font-size:13px;line-height:1.7;color:var(--mist);
}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2vw,32px)}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-data);
  font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--lime);
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{
  font-size:14.5px;color:var(--warm);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--lime);border-color:var(--lime)}
.footer-link[aria-current="page"]{color:var(--orange);border-color:var(--orange)}

.footer-contact{border-left:2px solid var(--edge);padding-left:clamp(16px,2vw,24px)}
.footer-contact-list{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--mist)}
.footer-label{
  display:block;
  font-family:var(--font-data);
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--mist);
}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 24px;
  max-width:var(--shell-max);
  margin:0 auto;
  padding:20px var(--gutter) 28px;
  border-top:1px solid rgba(44,74,62,.9);
  font-family:var(--font-data);
  font-size:12px;letter-spacing:.06em;
  color:var(--mist);
}
.footer-scope{flex:1 1 100%;max-width:60ch;color:var(--mist)}
.footer-legal{color:var(--cyan)}
.footer-copy{color:var(--mist)}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1080px){
  .col-3,.col-4,.col-6{grid-column:span 6}
  .col-5,.col-7,.col-8{grid-column:span 12}
  .footer-inner{grid-template-columns:1fr 1.4fr}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{border-left:0;padding-left:0;grid-column:1 / -1}
}

@media (max-width:960px){
  .nav-toggle{
    display:inline-flex;
    border:2px solid var(--edge);
    padding:8px 12px;
    transition:border-color .16s var(--ease),color .16s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
  .header-cta{display:none}

  .site-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:120;
    width:min(86vw,380px);
    flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;
    padding:88px 24px 32px;
    background:var(--char);
    border-left:3px solid var(--lime);
    box-shadow:-8px 0 0 var(--edge);
    overflow-y:auto;
    transform:translateX(105%);
    visibility:hidden;
    transition:transform .3s var(--ease),visibility .3s var(--ease);
  }
  .site-nav[data-open="true"]{transform:translateX(0);visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    width:100%;
    padding:15px 0;
    font-size:19px;
    border-bottom:1px solid rgba(44,74,62,.9);
  }
  .nav-link::before{left:-14px}
  .nav-link::after{bottom:12px}
  .nav-foot{display:block;margin-top:32px}
  .nav-cta{display:inline-flex;width:100%;margin-top:24px}

  body.is-nav-open{overflow:hidden}
}

@media (max-width:720px){
  body{font-size:15.5px}
  #main-content{padding-top:92px}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 12}
  .offset-down{margin-top:24px}
  .tape{padding-top:8px;padding-bottom:8px;gap:14px}
  .tape-item:nth-child(n+3){display:none}
  .tape-fill{margin-left:auto}
  .footer-nav{grid-template-columns:1fr 1fr}
  .footer-skyline{height:38px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .dockbar{display:grid}
  body{padding-bottom:64px}
}

/* ---------- 15. 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;
    scroll-behavior:auto !important;
  }
}