/* ============================================================
   斗鱼赛场 · 共享样式表 /assets/site.css
   深夜赛场指挥中心：深海蓝底 + 荧光青主强调 + 等宽数字
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- 2. Design Tokens ---------- */
:root{
  --ink-900:#04101F;
  --ink-800:#0A2138;
  --ink-750:#071B2E;
  --glass:rgba(12,40,68,.62);
  --cyan:#22E0FF;
  --red:#FF3B4E;
  --yellow:#FFD24A;
  --white:#E8F4FF;
  --muted:#8FB2CC;
  --steel:#1C3E63;
  --green:#3BE08A;

  --font-display:"Oswald","Noto Sans SC","PingFang SC","Hiragino Sans GB","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","SFMono-Regular","Cascadia Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --shell:1280px;
  --gutter:24px;
  --bevel:14px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

/* ---------- 3. Base / 中文排版 ---------- */
body{
  background-color:var(--ink-900);
  background-image:
    linear-gradient(rgba(34,224,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,224,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
  background-attachment:fixed;
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.02em;
  text-wrap:balance;
}
h1{font-size:clamp(2.2rem,6vw,5rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem)}
h4{font-size:1.0625rem;letter-spacing:.02em}
.prose p{max-width:68ch}
.prose p+p{margin-top:.9em}
ul{list-style:none}
::selection{background:var(--cyan);color:var(--ink-900)}

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

/* ---------- 4. 工具类 ---------- */
.shell,.container{width:min(100% - 40px,var(--shell));margin-inline:auto}
#main-content{display:block}
.section{padding-block:clamp(36px,5vw,72px);position:relative}
.stack>*+*{margin-top:16px}
.stack-lg>*+*{margin-top:32px}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--gutter)}
.split-reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.annotate-row{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:baseline}

.annotation{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--muted);
  text-transform:uppercase;
  line-height:1.5;
}
.num,.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.01em;
}
.is-up{color:var(--green)}
.is-down{color:var(--red)}
.is-hi{color:var(--yellow)}

.bevel{
  clip-path:polygon(var(--bevel) 0,100% 0,100% calc(100% - var(--bevel)),calc(100% - var(--bevel)) 100%,0 100%,0 var(--bevel));
}
.bevel-sm{
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.divider-scale{height:1px;background:var(--steel);border:0;margin:0;position:relative}
.divider-scale::after{content:"";position:absolute;left:0;top:0;width:64px;height:1px;background:var(--cyan)}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;
  border:1px solid var(--cyan);
  background:rgba(34,224,255,.08);
  color:var(--cyan);
  font-family:var(--font-body);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  text-decoration:none;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{background:var(--cyan);color:var(--ink-900)}
.btn:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--steel);background:transparent;color:var(--white)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,224,255,.08);color:var(--cyan)}
.btn-sm{min-height:38px;padding:6px 14px;font-size:13px}

/* ---------- 6. 面板 / 图片容器 ---------- */
.solid-panel{background:var(--ink-800);border:1px solid var(--steel);padding:20px}
.glass-panel{background:var(--glass);border:1px solid var(--steel);padding:20px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}

.figure{
  position:relative;margin:0;overflow:hidden;
  background:var(--ink-800);
  border:1px solid var(--steel);
}
.figure-dark{background:#02090F}
.figure-media{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.04)}
.figure-caption{
  position:absolute;left:0;bottom:0;right:0;
  padding:10px 12px;
  background:linear-gradient(180deg,rgba(4,16,31,0),rgba(4,16,31,.88));
  font-size:12px;letter-spacing:.08em;color:var(--muted);
}
.aspect-16x9{aspect-ratio:16/9}
.aspect-4x3{aspect-ratio:4/3}
.aspect-1x1{aspect-ratio:1/1}
.aspect-3x4{aspect-ratio:3/4}

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0;padding:16px 0 0;
  font-size:12px;letter-spacing:.12em;color:var(--muted);
}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:var(--steel)}
.breadcrumbs a{color:var(--muted);text-decoration:none;transition:color .18s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--cyan)}

/* ---------- 8. Skip link ---------- */
.skip-link{
  position:fixed;left:-9999px;top:0;z-index:300;
  background:var(--cyan);color:var(--ink-900);
  padding:12px 20px;font-weight:700;font-size:14px;text-decoration:none;
}
.skip-link:focus{left:12px;top:12px}

/* ---------- 9. 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--yellow));
  z-index:250;pointer-events:none;
}

/* ---------- 10. Header ---------- */
.site-header{
  position:relative;
  background:
    radial-gradient(1100px 260px at 50% -120px,rgba(34,224,255,.16),transparent 72%),
    linear-gradient(180deg,#061A2E 0%,var(--ink-900) 100%);
  border-bottom:1px solid var(--steel);
}

.header-top{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding-block:14px 12px;
}

.region-chip{
  display:inline-flex;align-items:center;gap:8px;
  justify-self:start;
  font-size:11px;letter-spacing:.2em;color:var(--muted);
}
.region-dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}

.masthead{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  text-align:center;min-width:0;
}
.brand-mark{
  display:block;width:16px;height:16px;background:var(--cyan);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  margin-bottom:4px;
}
.brand-name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.5rem,3.2vw,2.35rem);
  letter-spacing:.14em;
  line-height:1;
  text-indent:.14em;
}
.brand-tagline{
  font-size:11.5px;letter-spacing:.2em;color:var(--muted);white-space:nowrap;
}

.quick-actions{
  display:flex;flex-wrap:wrap;gap:8px;
  justify-self:end;justify-content:flex-end;
}
.quick-link{
  display:inline-flex;align-items:center;
  min-height:34px;padding:6px 13px;
  border:1px solid var(--steel);
  background:var(--glass);
  color:var(--white);
  font-size:12px;letter-spacing:.1em;text-decoration:none;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.quick-link:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(34,224,255,.1)}

.header-nav-row{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  border-top:1px solid var(--steel);
}

.nav-toggle{
  display:none;
  align-items:center;gap:10px;
  min-height:44px;padding:0 14px;
  background:var(--glass);color:var(--white);
  border:1px solid var(--steel);
  font-size:13px;letter-spacing:.16em;cursor:pointer;
}
.nav-toggle-bars{position:relative;width:18px;height:2px;background:var(--white);display:block}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--white);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}

.primary-nav{width:100%}
.nav-list{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:2px;list-style:none;margin:0;padding:0;
}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:48px;padding:0 16px;
  color:var(--white);text-decoration:none;
  font-size:15px;font-weight:500;letter-spacing:.05em;
  transition:color .18s var(--ease);
}
.nav-list a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-list a:hover{color:var(--cyan)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--cyan)}
.nav-list a[aria-current="page"]::after{transform:scaleX(1)}

/* Ticker */
.ticker{
  border-top:1px solid var(--steel);
  background:linear-gradient(90deg,rgba(34,224,255,.07),rgba(255,210,74,.05));
  overflow:hidden;
  padding-block:9px;
}
.ticker-track{
  display:flex;width:max-content;
  animation:tickerScroll 22s linear infinite;
  will-change:transform;
}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-group{display:flex;gap:36px;padding-right:36px}
.tick{
  display:inline-flex;align-items:center;gap:9px;white-space:nowrap;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12.5px;letter-spacing:.03em;color:var(--white);
}
.tick-team{font-family:var(--font-body);font-weight:500;color:var(--white)}
.tick-score{color:var(--yellow);font-weight:700}
.tick-delta{font-size:11.5px;font-weight:700}
.tick-delta.up{color:var(--green)}
.tick-delta.down{color:var(--red)}
.tick-flag{
  color:var(--red);
  border:1px solid rgba(255,59,78,.6);
  padding:0 6px;font-size:11px;letter-spacing:.14em;
}
@keyframes tickerScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 11. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--steel);
  background:linear-gradient(180deg,var(--ink-800) 0%,#051423 100%);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:200px;height:2px;background:var(--cyan);
  clip-path:polygon(0 0,100% 0,calc(100% - 22px) 100%,0 100%);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(220px,1fr) minmax(0,2.6fr);
  gap:40px;
  padding-block:clamp(36px,4vw,56px) 28px;
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;gap:4px}
.footer-brand-name{
  font-family:var(--font-display);font-weight:900;
  font-size:1.5rem;letter-spacing:.14em;line-height:1.2;margin-top:6px;
}
.footer-brand-line{font-size:12.5px;letter-spacing:.1em;color:var(--muted);max-width:none}
.footer-region{
  margin-top:10px;font-size:11px;letter-spacing:.2em;color:var(--cyan);
  border-left:2px solid var(--cyan);padding-left:8px;max-width:none;
}
.footer-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-col{min-width:0}
.footer-col-title{margin:0;font-family:var(--font-body)}
.footer-col-toggle{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:8px;
  min-height:36px;padding:0;
  background:none;border:0;
  color:var(--white);
  font-size:12px;font-weight:700;letter-spacing:.18em;
  text-align:left;cursor:default;
}
.footer-col-toggle::after{
  content:"";display:none;width:7px;height:7px;flex:none;
  border-right:1px solid var(--cyan);border-bottom:1px solid var(--cyan);
  transform:rotate(45deg);
  transition:transform .2s var(--ease);
}
.footer-links{margin-top:10px;display:flex;flex-direction:column;gap:2px}
.footer-links a{
  display:inline-block;padding:7px 0;
  color:var(--muted);font-size:14px;text-decoration:none;
  transition:color .18s var(--ease);
}
.footer-links a:hover{color:var(--cyan)}
.footer-links[hidden]{display:none !important}

.footer-contact{
  display:flex;flex-wrap:wrap;gap:10px 32px;
  padding-block:20px;
  border-top:1px solid var(--steel);
  border-bottom:1px solid var(--steel);
}
.footer-contact-item{
  font-size:13px;color:var(--muted);letter-spacing:.02em;max-width:none;
}
.footer-contact-item .mono{color:var(--yellow);font-size:12.5px}

.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;
  padding-block:18px 26px;
}
.footer-legal{font-size:12px;letter-spacing:.1em;color:var(--muted)}
.footer-legal:first-child{color:var(--cyan)}

/* ---------- 12. 显现动效协议 ---------- */
.js-ready [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
.js-ready [data-reveal].is-visible{opacity:1;transform:none}
.js-ready [data-reveal].is-revealed-up{transform:translateY(-16px)}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-nav{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:900px){
  .shell,.container{width:min(100% - 28px,var(--shell))}
  .split,.split-reverse{grid-template-columns:minmax(0,1fr)}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}

  .header-top{grid-template-columns:1fr;gap:8px;padding-block:12px 10px}
  .region-chip{display:none}
  .quick-actions{
    justify-self:stretch;justify-content:flex-start;
    flex-wrap:nowrap;overflow-x:auto;max-width:100%;
    padding-bottom:2px;scrollbar-width:none;
  }
  .quick-actions::-webkit-scrollbar{display:none}
  .quick-link{flex:none}

  .header-nav-row{justify-content:flex-start;padding-block:8px;border-top:1px solid var(--steel)}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;z-index:120;
    background:var(--ink-750);
    border:1px solid var(--steel);
    box-shadow:0 23px 60px rgba(0,0,0,.6);
    padding:6px;
  }
  .primary-nav[data-open]{display:block;animation:navDrop .24s var(--ease)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{width:100%;justify-content:flex-start;padding:0 14px;border-bottom:1px solid rgba(28,62,99,.6)}
  .nav-list a::after{left:14px;right:auto;width:26px;bottom:9px}
  @keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

  .ticker{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-block:8px}
  .ticker-track{animation:none;padding-inline:14px}
  .ticker-group{padding-right:24px;gap:24px}
  .ticker::-webkit-scrollbar{height:2px}
  .ticker::-webkit-scrollbar-thumb{background:var(--steel)}

  .footer-nav{grid-template-columns:1fr 1fr;gap:4px 20px}
  .footer-col-toggle{cursor:pointer;min-height:44px}
  .footer-col-toggle::after{display:block}
  .footer-col-toggle[aria-expanded="true"]::after{transform:rotate(225deg)}
}
@media (max-width:560px){
  body{font-size:15px}
  .grid-12{grid-template-columns:minmax(0,1fr)}
  .footer-nav{grid-template-columns:1fr}
  .footer-contact{flex-direction:column;gap:8px}
  .brand-tagline{font-size:10.5px;letter-spacing:.14em;white-space:normal}
  .footer-bottom{gap:6px 16px}
  .btn{width:100%}
}

/* ---------- 14. 无障碍 / 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .ticker-track{animation:none}
  .ticker{overflow-x:auto}
  .js-ready [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
}