/* ============================================================
   云体育链接 · 共享样式表 /assets/site.css
   夜间球场 × 数据控制室 · 深空蓝蓝图体系
   ============================================================ */

/* ---------- 0. 设计令牌 ---------- */
:root{
  --c-navy:#0B1B3A;
  --c-panel:#0F2547;
  --c-void:#0A0F1C;
  --c-cyan:#00E5FF;
  --c-lime:#B6FF3B;
  --c-orange:#FF7A1A;
  --c-snow:#E8F4FF;
  --c-paper:#F2F3EF;
  --c-steel:#7C93B8;
  --c-edge:#C9D6E8;

  --edge-soft:rgba(201,214,232,.16);
  --edge-mid:rgba(201,214,232,.28);
  --glass:rgba(15,37,71,.55);

  --font-display:"Barlow Condensed","Oswald","Arial Narrow","Roboto Condensed","PingFang SC","Noto Sans SC",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","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell:1360px;
  --gap:24px;
  --header-h:78px;
  --header-h-min:60px;
  --radius:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--c-navy);
  background-image:
    radial-gradient(62% 46% at 84% -10%, rgba(0,229,255,.14), transparent 70%),
    radial-gradient(52% 42% at 4% 104%, rgba(182,255,59,.09), transparent 72%),
    linear-gradient(to right, rgba(124,147,184,.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124,147,184,.09) 1px, transparent 1px);
  background-size:100% 100%,100% 100%,96px 96px,96px 96px;
  background-attachment:fixed,fixed,fixed,fixed;
  color:var(--c-snow);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote,dl,dd{margin:0;}
img,svg,video{max-width:100%;}
img,svg{display:block;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a{color:var(--c-cyan);text-decoration:none;}
a:hover{color:#7cf2ff;}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:2px;}
::selection{background:rgba(0,229,255,.32);color:#fff;}

.nav-list,.footer-list,.footer-links,.league-track,.breadcrumb{list-style:none;}
.nav-list,.footer-list,.footer-links,.league-track,.breadcrumb{padding:0;}

.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;
}

/* ---------- 2. 中文排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:.01em;
  color:#fff;
}
h1{font-size:clamp(34px,5vw,56px);}
h2{font-size:clamp(26px,3.4vw,40px);}
h3{font-size:clamp(20px,2.4vw,28px);}
h4{font-size:20px;}
p{max-width:40em;}
strong{color:#fff;}

/* ---------- 3. 跳转链接 ---------- */
.skip-link{
  position:absolute;
  top:-80px;left:14px;z-index:400;
  padding:11px 18px;
  background:var(--c-lime);
  color:#06121f;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  border-radius:var(--radius);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;color:#06121f;}

/* ---------- 4. 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(11,27,58,.86);
  border-bottom:1px solid var(--edge-soft);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header[data-condensed]{
  background:rgba(10,15,28,.94);
  border-bottom-color:rgba(0,229,255,.3);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gap);
  min-height:var(--header-h);
  transition:min-height .25s var(--ease);
}
.site-header[data-condensed] .header-inner{min-height:var(--header-h-min);}

/* 品牌簇 */
.header-brand{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-snow);
}
.brand:hover{color:#fff;}
.brand-mark{
  display:grid;
  place-items:center;
  width:36px;height:36px;
  font-family:var(--font-display);
  font-size:21px;font-weight:700;
  color:#04162b;
  background:linear-gradient(140deg,var(--c-cyan),var(--c-lime));
  clip-path:polygon(0 0,100% 0,100% 76%,80% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{
  font-family:var(--font-display);
  font-size:23px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--c-steel);
}

/* 状态徽标 */
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin:0;
  padding:4px 11px 4px 9px;
  border:1px solid rgba(182,255,59,.42);
  border-radius:999px;
  background:rgba(182,255,59,.08);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  white-space:nowrap;
  color:var(--c-lime);
}
.status-light{
  width:7px;height:7px;border-radius:50%;
  background:var(--c-lime);
  box-shadow:0 0 0 3px rgba(182,255,59,.18);
  animation:cloud-pulse 2.6s ease-in-out infinite;
}
.status-version{color:#fff;}
.status-text{color:var(--c-lime);}
@keyframes cloud-pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.55;transform:scale(.82);}
}

/* 联赛轨道 */
.league-rail{
  flex:1 1 auto;
  min-width:0;
  position:relative;
}
.league-rail::before,
.league-rail::after{
  content:"";
  position:absolute;top:0;bottom:0;width:26px;
  pointer-events:none;z-index:1;
}
.league-rail::before{left:0;background:linear-gradient(to right,rgba(11,27,58,.9),transparent);}
.league-rail::after{right:0;background:linear-gradient(to left,rgba(11,27,58,.9),transparent);}
.league-track{
  display:flex;
  gap:8px;
  margin:0;
  padding:4px 2px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.league-track::-webkit-scrollbar{display:none;}
.league-chip{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:3px 10px;
  border:1px solid var(--edge-soft);
  border-radius:3px;
  background:rgba(15,37,71,.55);
  font-size:13.5px;
  color:var(--c-snow);
  white-space:nowrap;
}
.league-code{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  color:var(--c-steel);
}

/* 右侧动作区 */
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.site-nav{flex:0 0 auto;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:block;
  padding:9px 11px;
  border-radius:3px;
  border-bottom:2px solid transparent;
  color:var(--c-snow);
  font-size:15px;
  letter-spacing:.03em;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.nav-link:hover{background:rgba(0,229,255,.1);color:#fff;}
.nav-link[aria-current="page"]{
  color:var(--c-cyan);
  border-bottom-color:var(--c-cyan);
  background:rgba(0,229,255,.07);
}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border:1px solid rgba(0,229,255,.42);
  border-radius:3px;
  background:rgba(0,229,255,.08);
  color:var(--c-cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:16px;height:2px;
  background:currentColor;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:2px;
  background:currentColor;
  transition:top .2s var(--ease),transform .2s var(--ease);
}
.nav-toggle-bars::before{top:-5px;}
.nav-toggle-bars::after{top:5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg);}

/* 滚动进度 */
.scroll-progress{
  position:fixed;
  top:0;left:0;
  height:2px;
  width:0;
  z-index:210;
  background:linear-gradient(90deg,var(--c-cyan),var(--c-lime));
  box-shadow:0 0 12px rgba(0,229,255,.5);
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:3px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.06em;
  line-height:1.2;
  cursor:pointer;
  transition:transform .16s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:linear-gradient(120deg,var(--c-cyan),#5df0ff);
  color:#04162b;
  border-color:rgba(0,229,255,.55);
}
.btn-primary:hover{
  color:#04162b;
  transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(0,229,255,.24);
}
.btn-ghost{
  background:transparent;
  color:var(--c-cyan);
  border-color:rgba(0,229,255,.45);
}
.btn-ghost:hover{
  background:rgba(0,229,255,.1);
  color:#7cf2ff;
}
.btn-quick{white-space:nowrap;}

/* ---------- 6. 内容容器与区块 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gap);
}
.page-section{padding:clamp(40px,6vw,84px) 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 32px;
  margin-bottom:32px;
  padding-bottom:16px;
  border-bottom:1px solid var(--edge-soft);
}
.section-title{margin:6px 0 0;}
.section-sub{
  max-width:38em;
  margin:0;
  color:var(--c-steel);
  font-size:15.5px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--c-cyan);
  opacity:.7;
}
.index-num{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--c-steel);
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:26px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-steel);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";color:rgba(124,147,184,.45);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--c-steel);}
.breadcrumb a:hover{color:var(--c-cyan);}
.breadcrumb [aria-current="page"]{color:var(--c-snow);}

/* ---------- 8. 网格 ---------- */
.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-asym{grid-template-columns:1fr 2fr;}
.grid-asym-23{grid-template-columns:2fr 3fr;}

/* ---------- 9. 卡片 / 面板 / 标签 / 数据 ---------- */
.card{
  padding:24px;
  background:var(--c-panel);
  border:1px solid var(--edge-soft);
  border-radius:var(--radius);
}
.glass-panel{
  padding:22px;
  background:var(--glass);
  border:1px solid var(--edge-mid);
  border-radius:var(--radius);
  backdrop-filter:blur(9px);
  -webkit-backdrop-filter:blur(9px);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid currentColor;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  white-space:nowrap;
}
.tag--fixed{color:var(--c-lime);}
.tag--warn{color:var(--c-orange);}
.tag--info{color:var(--c-cyan);}
.metric{
  font-family:var(--font-mono);
  font-size:clamp(34px,4.6vw,52px);
  font-weight:700;
  line-height:1.05;
  letter-spacing:-.02em;
  color:#fff;
}
.metric--cyan{color:var(--c-cyan);}
.metric--lime{color:var(--c-lime);}
.metric--orange{color:var(--c-orange);}

/* ---------- 10. 图像容器基础规则 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--edge-soft);
  border-radius:var(--radius);
  background-color:var(--c-panel);
  background-image:
    radial-gradient(70% 60% at 100% 0%, rgba(0,229,255,.16), transparent 62%),
    repeating-linear-gradient(90deg, rgba(124,147,184,.12) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, rgba(124,147,184,.12) 0 1px, transparent 1px 42px);
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame > figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:12px 16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-snow);
  background:linear-gradient(to top, rgba(10,15,28,.88), transparent);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame--free{aspect-ratio:auto;}

/* ---------- 11. 显现与数字动效 ---------- */
[data-reveal]{opacity:1;transform:none;}
.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(10px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.js-ready [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--c-void);
  border-top:1px solid var(--edge-soft);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--c-cyan),var(--c-lime) 42%,rgba(0,229,255,0) 82%);
  opacity:.85;
}
.footer-inner{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:clamp(44px,6vw,64px) var(--gap) 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1.5fr;
  gap:40px;
}
.footer-mark{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:30px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
}
.footer-tagline{
  margin:0 0 20px;
  max-width:30ch;
  color:var(--c-steel);
  font-size:15px;
}
.footer-title{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.footer-list{
  display:grid;
  gap:11px;
  margin:0;
  font-size:15px;
  color:var(--c-snow);
}
.footer-list a{
  display:inline-block;
  color:var(--c-snow);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-list a:hover{
  color:var(--c-cyan);
  border-bottom-color:rgba(0,229,255,.55);
}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:baseline;
  color:var(--c-snow);
  font-size:14.5px;
  word-break:break-word;
}
.footer-contact-label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--c-steel);
}
.footer-note{
  margin:18px 0 0;
  max-width:36ch;
  padding-left:12px;
  border-left:2px solid rgba(255,122,26,.55);
  color:var(--c-steel);
  font-size:13.5px;
  line-height:1.7;
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 26px;
  margin-top:clamp(36px,5vw,52px);
  padding-top:20px;
  border-top:1px solid var(--edge-soft);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--c-steel);
}
.footer-legal{margin:0;max-width:none;}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin:0;
}
.footer-links a{color:var(--c-steel);}
.footer-links a:hover{color:var(--c-lime);}
.footer-copy{margin:0 0 0 auto;max-width:none;}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1280px){
  :root{--gap:20px;}
  .header-inner{gap:16px;}
  .nav-link{padding:9px 9px;font-size:14.5px;}
}

@media (max-width:1100px){
  .league-rail{display:none;}
}

@media (max-width:1023px){
  :root{--header-h:64px;--header-h-min:58px;}

  .nav-toggle{display:inline-flex;}

  .site-nav{
    position:fixed;
    top:var(--header-h);
    left:0;right:0;
    display:grid;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    padding:10px 20px 26px;
    background:rgba(10,15,28,.97);
    border-bottom:1px solid rgba(0,229,255,.28);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-list{
    display:grid;
    gap:2px;
  }
  .nav-link{
    padding:14px 12px;
    font-size:16.5px;
    border-bottom:1px solid var(--edge-soft);
    border-left:2px solid transparent;
  }
  .nav-link[aria-current="page"]{
    border-bottom-color:var(--edge-soft);
    border-left-color:var(--c-cyan);
    background:rgba(0,229,255,.08);
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:860px){
  .grid-asym,.grid-asym-23,.grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:720px){
  :root{--gap:16px;}
  body{font-size:16px;}
  .brand-sub{display:none;}
  .brand-name{font-size:20px;}
  .brand-mark{width:32px;height:32px;font-size:19px;}
  .status-badge{font-size:11px;padding:3px 9px 3px 7px;}
  .btn{padding:10px 15px;font-size:14.5px;}
  .grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-copy{margin-left:0;}
  .footer-meta{gap:10px 18px;}
}

@media (max-width:420px){
  .btn-quick{display:none;}
  .nav-toggle-label{display:none;}
  .nav-toggle{padding:9px 11px;}
}

/* ---------- 14. 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;
  }
  .js-ready [data-reveal]{opacity:1;transform:none;}
  .status-light{animation:none;}
}