/* =========================================================
   欧凯体育 · /assets/site.css
   夜场灯光下的数据控制室：共享外壳、通用组件与响应式基座
   ========================================================= */

:root{
  --ink:#0A1A2A;
  --slate:#132B44;
  --cyan:#2FE6D0;
  --orange:#FF7A2F;
  --red:#E5484D;
  --yellow:#F2C744;
  --moss:#6E8F6A;
  --clay:#C1743F;
  --stone:#8A97A6;
  --cream:#F4F1E8;

  --line:rgba(138,151,166,.22);
  --line-strong:rgba(138,151,166,.42);
  --panel:rgba(19,43,68,.55);
  --panel-deep:rgba(10,26,42,.62);

  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --pill:999px;

  --font-display:"Oswald","Barlow Condensed","Arial Narrow","PingFang SC",system-ui,sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;

  --shell-max:1280px;
  --shell-pad:clamp(18px,4vw,44px);
  --nav-h:62px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(1200px 640px at 8% -12%,rgba(47,230,208,.10),transparent 58%),
    radial-gradient(900px 520px at 96% 4%,rgba(255,122,47,.09),transparent 60%),
    var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .45em;line-height:1.22;font-weight:800}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- 布局基座 ---------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--shell-pad);
}
.layout-split{
  display:grid;
  grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
  gap:clamp(20px,3vw,40px);
  align-items:start;
}
.layout-split > aside{position:sticky;top:calc(var(--nav-h) + 24px)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(16px,2vw,24px)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(16px,2vw,24px)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 跳至主要内容 / 滚动进度 ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-70px;
  z-index:300;
  padding:10px 20px;
  border-radius:0 0 var(--r-sm) var(--r-sm);
  background:var(--cyan);
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}
.scroll-progress{
  position:fixed;
  inset:0 0 auto 0;
  height:3px;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  z-index:200;
  pointer-events:none;
}

/* ---------- 品牌块 ---------- */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--cream);
}
.brand__mark{
  flex:none;
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--cyan),#17988c);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:800;
  font-size:18px;
  letter-spacing:.05em;
}
.brand__text{display:block;min-width:0}
.brand__name{display:block;font-size:20px;font-weight:800;letter-spacing:.08em;line-height:1.2}
.brand__line{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--stone);
  line-height:1.5;
}
.brand--footer .brand__mark{width:46px;height:46px;font-size:19px}

/* ---------- 状态点 / 胶囊 ---------- */
.status-dot{
  --pulse-color:47,230,208;
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin:0;
  padding:5px 14px;
  border-radius:var(--pill);
  border:1px solid rgba(47,230,208,.45);
  background:rgba(47,230,208,.09);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  line-height:1.5;
  white-space:nowrap;
}
.status-dot[data-status="pending"]{
  --pulse-color:255,122,47;
  border-color:rgba(255,122,47,.5);
  background:rgba(255,122,47,.1);
  color:var(--orange);
}
.status-dot__pulse{
  flex:none;
  width:8px;
  height:8px;
  border-radius:50%;
  background:currentColor;
  animation:dot-pulse 2.4s ease-out infinite;
}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 0 rgba(var(--pulse-color),.55)}
  70%{box-shadow:0 0 0 9px rgba(var(--pulse-color),0)}
  100%{box-shadow:0 0 0 0 rgba(var(--pulse-color),0)}
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 15px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  background:var(--panel-deep);
  color:var(--cream);
  font-size:13px;
  font-weight:600;
  text-decoration:none;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--cyan);color:var(--cyan)}
.chip--bookmark{border-color:rgba(47,230,208,.42)}
.chip__dot{
  flex:none;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--clay);
}

/* ---------- 双层头部 ---------- */
.site-header{position:relative;z-index:80}
.header-utility{
  background:linear-gradient(90deg,rgba(19,43,68,.94),rgba(10,26,42,.94));
  border-bottom:1px solid var(--line);
}
.header-utility__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:60px;
  padding-block:9px;
}
.header-nav{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(10,26,42,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.header-nav.is-stuck{box-shadow:0 16px 34px rgba(0,0,0,.5)}
.header-nav__inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:var(--nav-h);
  padding-block:6px;
}

/* ---------- 主导航 ---------- */
.primary-nav{flex:1 1 auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-link{
  position:relative;
  display:block;
  padding:8px 15px;
  border-radius:var(--pill);
  color:var(--stone);
  font-size:16px;
  font-weight:600;
  text-decoration:none;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:18px;
  border-radius:3px;
  background:var(--cyan);
  opacity:0;
  transform:translateY(-50%) scaleY(.3);
  transition:opacity .18s var(--ease),transform .18s var(--ease);
}
.nav-link:hover{color:var(--cream);background:rgba(47,230,208,.08)}
.nav-link:hover::before{opacity:1;transform:translateY(-50%) scaleY(1)}
.nav-link[aria-current="page"]{color:var(--ink);background:var(--cyan)}
.nav-link[aria-current="page"]::before{opacity:0}

/* ---------- 移动菜单按钮 ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 16px;
  border-radius:var(--pill);
  border:1px solid rgba(47,230,208,.42);
  background:rgba(47,230,208,.09);
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__icon{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__icon span{display:block;height:2px;border-radius:2px;background:var(--cyan);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:filter .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn--signal{background:var(--orange);color:#1C0C03;box-shadow:0 8px 22px rgba(255,122,47,.28)}
.btn--signal:hover{filter:brightness(1.08);box-shadow:0 12px 28px rgba(255,122,47,.4)}
.btn--cyan{background:var(--cyan);color:var(--ink);box-shadow:0 8px 22px rgba(47,230,208,.22)}
.btn--cyan:hover{filter:brightness(1.06)}
.btn--ghost{background:transparent;color:var(--cream);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.header-cta{margin-left:auto;flex:none}

/* ---------- 通用面板 / 卡片 / 标签 ---------- */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(18px,2.4vw,26px);
}
.card--flat{background:var(--panel-deep);border-radius:var(--r-md)}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 12px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  background:var(--panel-deep);
  color:var(--stone);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.7;
  white-space:nowrap;
}
.tag--cyan{color:var(--cyan);border-color:rgba(47,230,208,.5);background:rgba(47,230,208,.1)}
.tag--orange{color:var(--orange);border-color:rgba(255,122,47,.5);background:rgba(255,122,47,.1)}
.tag--yellow{color:var(--yellow);border-color:rgba(242,199,68,.5);background:rgba(242,199,68,.1)}
.tag--red{color:#F5868A;border-color:rgba(229,72,77,.55);background:rgba(229,72,77,.12)}
.tag--moss{color:#A3C39E;border-color:rgba(110,143,106,.55);background:rgba(110,143,106,.16)}
.tag--clay{color:#E39E6C;border-color:rgba(193,116,63,.55);background:rgba(193,116,63,.16)}

/* ---------- 章节标题与数据 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan)}
.section-head{margin:0 0 clamp(18px,2.5vw,28px)}
.section-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:.01em;margin-bottom:0}
.section-head h2::after{
  content:"";
  display:block;
  width:44px;
  height:3px;
  border-radius:3px;
  background:var(--cyan);
  margin-top:10px;
}
.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(32px,4vw,44px);
  line-height:1;
  letter-spacing:-.01em;
}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--stone)}

/* ---------- 正文排版 ---------- */
.prose{max-width:42em;color:rgba(244,241,232,.9);font-size:17px;line-height:1.78}
.prose p{margin:0}
.prose p + p{margin-top:1.05em}
.prose h2{margin:1.7em 0 .55em;font-size:24px}
.prose h3{margin:1.4em 0 .45em;font-size:20px}
.prose ul{margin:0 0 1.1em;display:grid;gap:9px}
.prose li{position:relative;padding-left:20px}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--clay);
}
.prose a{color:var(--cyan);text-decoration:none;border-bottom:1px solid rgba(47,230,208,.45)}
.prose a:hover{border-bottom-color:var(--cyan)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  padding-block:14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--stone);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li:not(:last-child)::after{content:"/";color:rgba(138,151,166,.55)}
.breadcrumbs a{color:var(--stone);text-decoration:none;transition:color .18s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}

/* ---------- 图片容器基座 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(140deg,#0F2438,#1B3B58);
  aspect-ratio:16 / 9;
}
.media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.06)}
.media--wide{aspect-ratio:21 / 9}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:4 / 5}
.media--veil::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,26,42,0) 42%,rgba(10,26,42,.78));
  pointer-events:none;
}
.media__caption{
  position:absolute;
  left:16px;
  right:16px;
  bottom:14px;
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:rgba(244,241,232,.82);
}

/* ---------- 滚动显现 ---------- */
html.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease);
}
html.reveal-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,110px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,43,68,.68),rgba(7,18,30,.98) 62%);
}
.footer-rail{
  background:rgba(19,43,68,.55);
  border-bottom:1px solid var(--line);
}
.footer-rail__inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
  padding-block:18px;
}
.card-strip{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  padding:10px 16px;
  border-radius:var(--r-md);
  background:var(--panel-deep);
  border:1px solid rgba(242,199,68,.34);
}
.card-strip--yellow{border-color:rgba(242,199,68,.34)}
.card-strip--red{border-color:rgba(229,72,77,.36)}
.card-mark{
  flex:none;
  width:12px;
  height:18px;
  border-radius:3px;
  background:var(--yellow);
  box-shadow:0 0 12px rgba(242,199,68,.45);
}
.card-strip--red .card-mark{background:var(--red);box-shadow:0 0 12px rgba(229,72,77,.45)}
.card-strip__label{font-size:14px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
.card-strip__note{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--stone);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rail-link{
  justify-self:end;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  border-radius:var(--pill);
  border:1px solid rgba(47,230,208,.45);
  color:var(--cyan);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.rail-link:hover{background:var(--cyan);color:var(--ink)}

.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:clamp(22px,3vw,44px);
  padding-block:clamp(34px,4vw,54px) clamp(26px,3vw,38px);
}
.footer-brand__meta{
  margin:14px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--stone);
}
.footer-col__title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-list{display:grid;gap:9px;font-size:15px}
.footer-list a{
  color:var(--cream);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-list a:hover{color:var(--cyan);border-bottom-color:rgba(47,230,208,.5)}
.footer-list--plain{color:var(--stone);font-size:14px}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
  padding-block:20px 30px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--stone);
}
.footer-legal p{margin:0}
.footer-legal__record{color:var(--stone)}
.footer-legal__contact{color:rgba(244,241,232,.72)}
.footer-legal__copy{margin-left:auto;color:rgba(138,151,166,.9)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-main{grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .footer-brand__meta{margin-top:10px}
}

@media (max-width:900px){
  :root{--nav-h:58px}
  .layout-split{grid-template-columns:minmax(0,1fr)}
  .layout-split > aside{position:static;top:auto}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-nav__inner{gap:12px}
  .primary-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:block;
    padding:12px 0 18px;
    background:rgba(19,43,68,.98);
    border-bottom:1px solid rgba(47,230,208,.28);
    box-shadow:0 24px 44px rgba(0,0,0,.52);
    max-height:calc(100vh - 150px);
    overflow-y:auto;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .primary-nav[data-open="false"]{
    visibility:hidden;
    opacity:0;
    transform:translateY(-10px);
    pointer-events:none;
  }
  .primary-nav[data-open="true"]{visibility:visible;opacity:1;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;padding-inline:16px}
  .nav-link{
    padding:13px 16px;
    border-radius:var(--r-sm);
    border-left:3px solid transparent;
    font-size:17px;
  }
  .nav-link::before{display:none}
  .nav-link:hover{border-left-color:var(--cyan)}
  .nav-link[aria-current="page"]{border-left-color:transparent}
  .footer-rail__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .rail-link{grid-column:1 / -1;justify-self:start}
}

@media (max-width:700px){
  body{font-size:16px}
  .header-utility__inner{flex-wrap:wrap;gap:10px;padding-block:10px}
  .status-dot{order:3;flex:1 1 100%;justify-content:center;white-space:normal}
  .brand__name{font-size:18px}
  .brand__line{font-size:10px}
  .card-strip__note{white-space:normal}
  .footer-legal__copy{margin-left:0}
}

@media (max-width:520px){
  .footer-main{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-rail__inner{grid-template-columns:minmax(0,1fr)}
  .footer-brand{grid-column:auto}
  .card-strip{flex-wrap:wrap}
  .btn{width:100%}
  .chip{width:100%;justify-content:center}
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.reveal-ready [data-reveal]{opacity:1;transform:none}
}