/* =========================================================
   YABO888VIP · 主场坐标 — 共享样式表 /assets/site.css
   堆叠面板 / 夜间球场灯光 / 赛事数据指挥中心
   ========================================================= */

:root{
  --ink-900:#05070E;
  --ink-800:#0B1220;
  --ink-700:#141F33;
  --line:#2A3A52;
  --silver:#93A1B5;
  --white:#F2F6FA;
  --green:#39FF88;
  --green-dim:#1FA85B;
  --orange:#FF7A1A;
  --blue:#4DD2FF;
  --red:#FF4D3D;

  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-display:"Arial Narrow","Helvetica Neue Condensed","Roboto Condensed","Oswald","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,"Courier New",monospace;

  --shell:1440px;
  --gutter:32px;
  --shadow:6px 6px 0 rgba(0,0,0,.55);
  --shadow-lift:10px 10px 0 rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:132px;
}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}
:focus{outline:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
::selection{background:var(--green);color:var(--ink-900)}

/* ---------- 基础排版 ---------- */
body{
  background:var(--ink-900);
  color:var(--white);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.1;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--white);
}
h1{font-size:clamp(40px,6vw,72px)}
h2{font-size:clamp(28px,3.6vw,48px)}
h3{font-size:clamp(20px,2.2vw,32px)}
h4{font-size:clamp(17px,1.6vw,24px)}
p{max-width:42em}
strong,b{font-weight:700;color:var(--white)}
em{font-style:normal;color:var(--green)}
small{font-size:13px;color:var(--silver)}

/* ---------- 工具类 ---------- */
.wrap{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:.01em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--green);flex:none}
.prose{max-width:42em;color:var(--silver);font-size:17px}
.prose > * + *{margin-top:1.1em}
.prose h2,.prose h3{color:var(--white);margin-top:1.6em}
.prose a{color:var(--green);border-bottom:1px solid var(--green-dim)}
.prose a:hover{color:var(--white);border-bottom-color:var(--white)}
.prose ul{list-style:none}
.prose ul li{position:relative;padding-left:20px}
.prose ul li + li{margin-top:.5em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--green)}
.rule{height:2px;background:var(--line);border:0;margin:0}

.grid{display:grid;gap:24px}
.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))}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:44px;
  padding:0 22px;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--white);
  background:var(--ink-700);
  border:2px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),
             background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-lift);border-color:var(--green)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(0,0,0,.55)}
.btn--primary{
  color:var(--ink-900);
  background:var(--green);
  border-color:var(--green);
  box-shadow:6px 6px 0 var(--green-dim);
}
.btn--primary:hover{background:var(--white);border-color:var(--white);box-shadow:10px 10px 0 var(--green-dim)}
.btn--ghost{
  color:var(--green);
  background:transparent;
  border-color:var(--green);
  box-shadow:6px 6px 0 rgba(57,255,136,.18);
}
.btn--ghost:hover{background:var(--green-dim);color:var(--ink-900);box-shadow:10px 10px 0 rgba(57,255,136,.22)}
.btn--sm{min-height:40px;padding:0 16px;font-size:12px}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-variant-numeric:tabular-nums;
  color:var(--silver);
  background:var(--ink-800);
  border:2px solid var(--line);
  white-space:nowrap;
}
.badge--green{color:var(--green);border-color:var(--green);background:rgba(57,255,136,.08)}
.badge--orange{color:var(--orange);border-color:var(--orange);background:rgba(255,122,26,.08)}
.badge--blue{color:var(--blue);border-color:var(--blue);background:rgba(77,210,255,.08)}
.badge--sync{color:var(--blue);border-color:var(--line);background:var(--ink-800)}

.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--white);
  background:var(--ink-700);
  border-left:3px solid var(--line);
  white-space:nowrap;
}
.tag--green{border-left-color:var(--green)}
.tag--orange{border-left-color:var(--orange)}
.tag--blue{border-left-color:var(--blue)}

/* ---------- 堆叠画板 ---------- */
.panel{
  position:relative;
  background:var(--ink-800);
  border:2px solid var(--line);
  box-shadow:var(--shadow);
  padding:clamp(24px,3.4vw,48px);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.panel--accent{border-left:4px solid var(--green)}
.panel--price{border-top:2px solid var(--orange)}
.panel--flat{box-shadow:none}
.panel--hover:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-lift);border-color:var(--green)}
.panel__head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.panel__num{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--green);
}
.board-num{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(48px,7vw,72px);
  font-weight:700;
  line-height:.88;
  letter-spacing:.02em;
  color:var(--silver);
  transition:color .4s var(--ease),text-shadow .4s var(--ease);
}
.board-num.is-in{color:var(--green);text-shadow:0 0 26px rgba(57,255,136,.35)}

/* ---------- 图片容器（供页面阶段放置占位） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:3 / 2;
  background:var(--ink-700);
  border:2px solid var(--line);
  box-shadow:var(--shadow);
}
.media--wide{aspect-ratio:16 / 9}
.media--tall{aspect-ratio:4 / 5}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:brightness(.72) contrast(1.08) saturate(.85);
}
.media--signal{
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(57,255,136,.20),transparent 58%),
    radial-gradient(120% 100% at 88% 100%,rgba(77,210,255,.18),transparent 60%),
    repeating-linear-gradient(115deg,var(--ink-700) 0 14px,var(--ink-800) 14px 28px);
}
.media__cap{
  position:absolute;
  left:0;
  bottom:0;
  padding:6px 12px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--green);
  background:var(--ink-900);
  border-top:2px solid var(--green);
}

/* ---------- 面包屑 ---------- */
.crumbs{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--green);
}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{display:flex;align-items:center;gap:6px;color:var(--silver)}
.crumbs li + li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--silver)}
.crumbs a:hover{color:var(--green)}
.crumbs [aria-current="page"]{color:var(--white)}

/* ---------- 左侧竖向时间轴 ---------- */
.rail{
  position:sticky;
  top:120px;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding-block:10px;
  border-left:2px solid var(--line);
}
.rail a{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding-left:16px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--silver);
  transition:color .2s var(--ease);
}
.rail a::before{
  content:"";
  position:absolute;
  left:-2px;
  top:50%;
  width:10px;
  height:2px;
  background:var(--line);
  transform:translateY(-50%);
  transition:width .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.rail a:hover{color:var(--white)}
.rail a:hover::before{background:var(--silver)}
.rail a[data-active="true"]{color:var(--green)}
.rail a[data-active="true"]::before{
  width:20px;
  background:var(--green);
  box-shadow:0 0 12px rgba(57,255,136,.75);
}

/* ---------- 跳至正文 ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-120px;
  z-index:200;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 18px;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-900);
  background:var(--green);
  border:2px solid var(--ink-900);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:16px}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink-900);
  border-bottom:2px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(5,7,14,.96);
  box-shadow:0 10px 0 rgba(0,0,0,.45);
}
.header-shell{
  display:grid;
  grid-template-columns:minmax(180px,1fr) auto minmax(180px,1fr);
  align-items:center;
  gap:24px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  min-height:96px;
  padding:16px var(--gutter);
  transition:min-height .24s var(--ease),padding .24s var(--ease);
}
.site-header.is-stuck .header-shell{
  min-height:56px;
  padding-top:6px;
  padding-bottom:6px;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  justify-self:start;
  min-height:44px;
  justify-content:center;
}
.brand__mark{
  font-family:var(--font-display);
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--white);
}
.brand__accent{color:var(--green)}
.brand__sub{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--silver);
}
.site-header.is-stuck .brand__sub{display:none}

.main-nav{justify-self:center}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--silver);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:2px;
  background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-link:hover{color:var(--white);background:var(--ink-800)}
.nav-link:hover::after{background:var(--line)}
.nav-link[aria-current="page"]{color:var(--white)}
.nav-link[aria-current="page"]::after{
  background:var(--green);
  box-shadow:0 0 12px rgba(57,255,136,.7);
}

.header-side{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  min-width:44px;
  padding:0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--white);
  background:var(--ink-800);
  border:2px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--green);color:var(--green)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:12px;
  flex:none;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background:var(--green);
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{top:10px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:5px;transform:rotate(-45deg)}

.header-progress{
  position:relative;
  height:3px;
  background:var(--ink-700);
  overflow:hidden;
}
.header-progress::after{
  content:"";
  position:absolute;
  inset:0;
  transform-origin:0 50%;
  transform:scaleX(var(--progress,0));
  background:linear-gradient(90deg,var(--green),var(--blue));
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  background:var(--ink-900);
  border-top:2px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-2px;
  left:0;
  width:min(340px,42%);
  height:3px;
  background:var(--green);
}
.footer-shell{padding-block:64px 28px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:2px solid var(--line);
}
.footer-block{min-width:0}
.footer-block--brand{max-width:34ch}
.footer-wordmark{
  font-family:var(--font-display);
  font-size:34px;
  font-weight:700;
  line-height:1;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--white);
  max-width:none;
}
.footer-wordmark__accent{color:var(--green)}
.footer-tagline{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
  max-width:none;
}
.footer-desc{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:var(--silver);
}
.footer-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
}
.footer-list{display:flex;flex-direction:column}
.footer-list a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:15px;
  color:var(--silver);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-list a:hover{color:var(--white);padding-left:6px}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:baseline;
  font-size:14px;
  color:var(--silver);
  max-width:none;
}
.footer-meta + .footer-meta{margin-top:6px}
.footer-base{padding-top:28px}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:10px 32px;
  margin-bottom:16px;
}
.footer-contact__item{
  display:flex;
  align-items:baseline;
  gap:10px;
  max-width:none;
}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--green);
}
.footer-contact__val{font-size:14px;color:var(--silver)}
.footer-hint{
  font-size:13px;
  line-height:1.8;
  color:var(--silver);
  opacity:.85;
  max-width:64ch;
}
.footer-copy{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--silver);
  max-width:none;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  font-family:var(--font-mono);
  font-size:20px;
  line-height:1;
  color:var(--green);
  background:var(--ink-800);
  border:2px solid var(--green);
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--green);color:var(--ink-900)}
.to-top:active{transform:translate(2px,2px)}

/* ---------- 滚动显现 ---------- */
.js-motion [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .32s var(--ease) var(--reveal-delay,0ms),
             transform .32s var(--ease) var(--reveal-delay,0ms);
}
.js-motion [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .header-side .badge--sync{display:none}
  .nav-link{padding:0 10px;font-size:14px}
  .nav-link::after{left:10px;right:10px}
}

@media (max-width:1024px){
  :root{--header-h:64px}
  html{scroll-padding-top:100px}

  .header-shell{
    grid-template-columns:minmax(0,1fr) auto;
    column-gap:16px;
    row-gap:0;
    min-height:64px;
    padding:10px var(--gutter);
  }
  .brand{grid-column:1;grid-row:1}
  .nav-toggle{display:inline-flex;grid-column:2;grid-row:1;justify-self:end}
  .header-side{display:none}

  .main-nav{
    grid-column:1 / -1;
    grid-row:2;
    justify-self:stretch;
    display:none;
    margin-top:10px;
    padding-top:6px;
    border-top:2px solid var(--line);
  }
  .main-nav[data-open]{display:block}

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    justify-content:flex-start;
    width:100%;
    min-height:52px;
    padding:0 8px;
    font-size:18px;
    border-bottom:1px solid var(--ink-700);
  }
  .nav-link::before{
    content:attr(data-nav-index);
    margin-right:14px;
    font-family:var(--font-mono);
    font-size:12px;
    font-weight:700;
    letter-spacing:.1em;
    color:var(--green);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:var(--ink-800);color:var(--green)}

  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-block--brand{grid-column:1 / -1;max-width:none}

  .rail{position:static;flex-direction:row;flex-wrap:wrap;border-left:0;border-top:2px solid var(--line);padding-top:8px;gap:8px}
  .rail a{padding-left:0;padding-right:14px}
  .rail a::before{display:none}
}

@media (max-width:720px){
  :root{--gutter:18px}
  body{font-size:16px;line-height:1.72}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .site-footer{margin-top:64px}
  .footer-shell{padding-block:48px 22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:32px}
  .footer-contact{flex-direction:column;gap:10px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .panel{padding:22px 18px}
}

/* ---------- 减弱动效 ---------- */
@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;
  }
  .js-motion [data-reveal],
  .js-motion [data-reveal].is-in{
    opacity:1 !important;
    transform:none !important;
  }
  .to-top{transition:none}
}