/* ==========================================================
   威体育 CN · 共享样式 /assets/site.css
   深空黑基调 · 荧光绿主强调 · 电光蓝次强调 · 玻璃层叠
   ========================================================== */

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

/* ---------- tokens ---------- */
:root{
  --ink:#06080B;
  --panel:#111822;
  --lime:#B7FF2E;
  --blue:#2FD1FF;
  --orange:#FF7A1A;
  --amber:#FFD34D;
  --glass:#E9F1F7;
  --mist:#7E8B99;
  --violet:#6C7BFF;
  --trace:rgba(233,241,247,.06);
  --hair:rgba(233,241,247,.10);
  --hair-strong:rgba(233,241,247,.20);
  --dim:rgba(233,241,247,.72);
  --dimmer:rgba(233,241,247,.55);
  --shadow:0 18px 48px rgba(0,0,0,.55);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --pad:clamp(18px,4vw,40px);
  --maxw:1240px;
  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Roboto Mono","Courier New",monospace;
}

/* ---------- base ---------- */
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(80vw 60vh at 88% 2%, rgba(47,209,255,.10), transparent 65%),
    radial-gradient(70vw 50vh at 4% 20%, rgba(183,255,46,.06), transparent 65%),
    radial-gradient(90vw 60vh at 50% 100%, rgba(108,123,255,.09), transparent 68%);
  background-repeat:no-repeat;
  color:var(--glass);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
#main-content{scroll-margin-top:130px}

h1,h2,h3,h4{font-weight:700;line-height:1.2}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong,b{font-weight:700}
::selection{background:var(--lime);color:#070A0D}

/* ---------- focus ---------- */
:focus{outline:none}
:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
}
.section{padding:clamp(40px,7vw,88px) 0}
.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(14px,2vw,22px);
}
.bento > *{grid-column:span 12}
.grid{
  display:grid;
  gap:clamp(14px,2vw,22px);
}
@media (min-width:720px){
  .b-span-4{grid-column:span 6}
  .b-span-6{grid-column:span 6}
  .b-span-8{grid-column:span 12}
}
@media (min-width:1024px){
  .b-span-4{grid-column:span 4}
  .b-span-6{grid-column:span 6}
  .b-span-8{grid-column:span 8}
  .b-span-3{grid-column:span 3}
}

/* ---------- typography utilities ---------- */
.section__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--blue);
}
.section__eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:currentColor;
  opacity:.65;
}
.section__title{
  font-family:var(--font-display);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.01em;
  line-height:1.03;
  font-size:clamp(2rem,5vw,3.6rem);
  margin:.18em 0 .4em;
  color:var(--glass);
}
.section__lead{
  max-width:42ch;
  font-size:16.5px;
  line-height:1.75;
  color:var(--dim);
}
.prose{max-width:42ch}
.prose h2,.prose h3{
  font-family:var(--font-display);
  font-weight:700;
  text-transform:uppercase;
  line-height:1.15;
  letter-spacing:.02em;
  margin:1.4em 0 .5em;
}
.prose ul{list-style:none;margin:0 0 1.15em}
.prose li{position:relative;padding-left:18px;margin-bottom:.5em}
.prose li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:7px;height:1px;
  background:var(--lime);
}
.index-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}

/* ==========================================================
   页头
   ========================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,8,11,.88);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--hair);
}
.skip-link{
  position:absolute;
  left:var(--pad);
  top:-100px;
  z-index:80;
  padding:10px 16px;
  border-radius:0 0 var(--r-sm) var(--r-sm);
  background:var(--lime);
  color:#070A0D;
  font-weight:700;
  font-size:14px;
  transition:top .2s ease;
}
.skip-link:focus{top:0}

.masthead{padding:16px 0 12px;transition:padding .28s ease}
.masthead__inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:14px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  min-height:44px;
}
.brand__mark{
  display:grid;
  place-items:center;
  width:40px;height:40px;
  flex:0 0 auto;
  background:var(--lime);
  color:#070A0D;
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  line-height:1;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:21px;
  line-height:1;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--glass);
  white-space:nowrap;
}
.brand__cn{
  display:inline-block;
  margin-left:6px;
  padding:2px 5px;
  border:1px solid rgba(183,255,46,.5);
  border-radius:4px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:500;
  letter-spacing:.16em;
  line-height:1;
  color:var(--lime);
  vertical-align:middle;
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  color:var(--mist);
  text-transform:uppercase;
  white-space:nowrap;
}
.brand--footer .brand__name{font-size:19px}

/* 导航 */
.primary-nav{
  position:absolute;
  top:100%;
  left:0;right:0;
  display:none;
  padding:12px var(--pad) 22px;
  background:rgba(9,12,17,.98);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--hair);
  box-shadow:0 24px 44px rgba(0,0,0,.6);
}
.primary-nav[data-open]{display:block}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  display:block;
  padding:14px 12px;
  border-radius:10px;
  font-size:16px;
  font-weight:500;
  color:var(--dim);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--glass);background:rgba(233,241,247,.07)}
.nav-link[aria-current="page"]{
  background:var(--lime);
  color:#070A0D;
  font-weight:700;
}
.nav-download{
  display:inline-flex;
  width:100%;
  margin-top:14px;
  justify-content:center;
}

/* 右侧操作区 */
.masthead__actions{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
}
.status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--dim);
  white-space:nowrap;
}
.status__dot{
  position:relative;
  width:8px;height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 10px rgba(183,255,46,.8);
}
.status__dot::after{
  content:"";
  position:absolute;
  inset:-5px;
  border-radius:50%;
  border:1px solid rgba(183,255,46,.55);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{
  0%{transform:scale(.55);opacity:.9}
  100%{transform:scale(1.6);opacity:0}
}

.nav-toggle{
  position:relative;
  display:block;
  width:44px;height:44px;
  flex:0 0 auto;
  border:1px solid var(--hair-strong);
  border-radius:12px;
  background:rgba(233,241,247,.05);
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--lime);background:rgba(183,255,46,.08)}
.nav-toggle__bar{
  position:absolute;
  left:13px;right:13px;
  height:2px;
  border-radius:2px;
  background:var(--glass);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle__bar:nth-child(1){top:16px}
.nav-toggle__bar:nth-child(2){top:21px}
.nav-toggle__bar:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 联赛轨道 */
.league-rail{
  border-top:1px solid var(--hair);
  background:linear-gradient(90deg,rgba(183,255,46,.055),rgba(47,209,255,.055) 55%,rgba(108,123,255,.05));
}
.league-rail__inner{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:8px var(--pad);
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.league-rail__inner::-webkit-scrollbar{display:none}
.rail-label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
  padding-right:4px;
  border-right:1px solid var(--hair-strong);
  margin-right:4px;
}
.rail-chips{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.rail-meta{
  margin-left:auto;
  flex:0 0 auto;
  padding-left:14px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--mist);
  white-space:nowrap;
}
.rail-meta b{color:var(--amber);font-weight:700}

/* 收窄态 */
.site-header[data-scrolled] .masthead{padding:8px 0 6px}
.site-header[data-scrolled] .brand__sub{display:none}
.site-header[data-scrolled] .status__text{display:none}
.site-header[data-scrolled] .league-rail__inner{padding-top:5px;padding-bottom:5px}
.site-header[data-scrolled] .chip{min-height:28px;font-size:12px;padding:0 11px}

/* ==========================================================
   按钮 / 胶囊 / 徽标
   ========================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--lime{background:var(--lime);color:#070A0D;font-weight:700}
.btn--lime:hover{background:#CDFF62;transform:translateY(-2px)}
.btn--ghost{border-color:var(--hair-strong);color:var(--glass)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}

.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  min-height:32px;
  padding:0 14px;
  border:1px solid var(--hair-strong);
  border-radius:999px;
  background:rgba(233,241,247,.04);
  color:var(--dim);
  font-family:var(--font-body);
  font-size:13px;
  font-weight:500;
  letter-spacing:.04em;
  line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,min-height .2s ease;
}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.is-active{
  background:var(--lime);
  border-color:var(--lime);
  color:#070A0D;
  font-weight:700;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--hair-strong);
  border-radius:5px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  line-height:1.4;
}
.badge--live{color:var(--lime);border-color:rgba(183,255,46,.42);background:rgba(183,255,46,.08)}
.badge--alert{color:var(--orange);border-color:rgba(255,122,26,.42);background:rgba(255,122,26,.08)}
.badge--neutral{color:var(--mist)}

.tag{
  display:inline-block;
  padding:5px 11px;
  border:1px solid var(--hair-strong);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--mist);
}

/* ==========================================================
   卡片 / 数据 / 媒体
   ========================================================== */
.card{
  position:relative;
  padding:clamp(16px,2.4vw,24px);
  border:1px solid var(--hair);
  border-radius:var(--r-md);
  background:var(--panel);
  overflow:hidden;
}
.card--glass{
  background:var(--trace);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-color:var(--hair-strong);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.card--glass:hover{
  transform:translateY(-2px);
  background:rgba(233,241,247,.10);
  border-color:rgba(183,255,46,.35);
}
.card__index{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}
.card__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.15rem,2.2vw,1.5rem);
  line-height:1.2;
  letter-spacing:.01em;
  margin:.3em 0 .45em;
  color:var(--glass);
}
.card__text{font-size:15px;color:var(--dim);line-height:1.7}

.stat{display:flex;flex-direction:column;gap:3px}
.stat__value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  line-height:1;
  color:var(--glass);
}
.stat__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}

/* 可复用图片容器 */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--hair);
  border-radius:var(--r-md);
  background:linear-gradient(140deg,#0d141d 0%,#06080b 100%);
}
.media > img,
.media > video,
.media > picture > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(233,241,247,.025) 0 1px,transparent 1px 4px);
  mix-blend-mode:screen;
}
.media--21x9{aspect-ratio:21/9}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 16px;
  background:linear-gradient(to top,rgba(6,8,11,.92),rgba(6,8,11,0));
  font-size:13px;
  line-height:1.5;
  color:rgba(233,241,247,.86);
}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:22px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}
.breadcrumb a{color:var(--mist);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb__sep{color:rgba(126,139,153,.5)}

/* 雷达扫描装饰层 */
.radar{position:relative;overflow:hidden}
.radar::before{
  content:"";
  position:absolute;
  inset:-40%;
  pointer-events:none;
  background:conic-gradient(from 0deg,rgba(108,123,255,.30),rgba(47,209,255,.10) 18%,transparent 32%);
  animation:sweep 6s linear infinite;
}
@keyframes sweep{to{transform:rotate(360deg)}}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:70;
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border:1px solid var(--hair-strong);
  border-radius:50%;
  background:rgba(17,24,34,.92);
  color:var(--lime);
  font-size:18px;
  line-height:1;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:border-color .2s ease,transform .2s ease;
}
.to-top[data-visible]{display:flex}
.to-top:hover{border-color:var(--lime);transform:translateY(-2px)}

/* ==========================================================
   页脚
   ========================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  background:var(--panel);
  border-top:1px solid var(--hair);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(110% 80% at 10% 0%,rgba(47,209,255,.10),transparent 62%),
    radial-gradient(90% 70% at 92% 100%,rgba(183,255,46,.07),transparent 62%);
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(26px,4vw,48px);
  padding:clamp(36px,6vw,72px) 0 clamp(24px,4vw,40px);
}
.footer-brand .brand{margin-bottom:14px}
.footer-tagline{
  max-width:30ch;
  margin:0;
  font-size:15px;
  line-height:1.7;
  color:var(--dim);
}
.footer-leagues{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.footer-col__title{
  margin:0 0 16px;
  font-family:var(--font-display);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}
.footer-links{display:grid;gap:10px}
.footer-links a{
  display:inline-block;
  font-size:14.5px;
  color:var(--dim);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--lime)}
.footer-icp{
  margin:18px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.footer-contact{display:grid;gap:12px}
.footer-contact li{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:10px;
  align-items:baseline;
}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer-contact__val{
  font-size:14.5px;
  line-height:1.6;
  color:var(--dim);
  word-break:break-word;
}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  padding:18px 0 30px;
  border-top:1px solid var(--hair);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-bottom p{margin:0}
.footer-bottom__note{color:rgba(126,139,153,.85)}

/* ==========================================================
   状态与动效
   ========================================================== */
[hidden]{display:none !important}
.is-filtered{display:none !important}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .4s ease,transform .4s ease;
}
html.js [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width:619px){
  .masthead__cta{display:none}
  .status__text{display:none}
  .rail-meta{display:none}
}
@media (min-width:620px) and (max-width:979px){
  .nav-download{display:inline-flex}
}
@media (min-width:980px){
  .masthead{padding:20px 0 16px}
  .masthead__inner{grid-template-columns:1fr auto 1fr;gap:28px}
  .primary-nav{
    position:static;
    display:block;
    padding:0;
    background:none;
    border:0;
    box-shadow:none;
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
    justify-self:center;
  }
  .nav-list{flex-direction:row;gap:4px}
  .nav-link{
    padding:10px 15px;
    border-radius:999px;
    font-size:14.5px;
    white-space:nowrap;
  }
  .nav-download{display:none}
  .nav-toggle{display:none}
  .masthead__cta{display:inline-flex}
}
@media (min-width:700px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:span 2}
}
@media (min-width:1040px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.35fr}
  .footer-brand{grid-column:span 1}
}

/* ==========================================================
   减少动态
   ========================================================== */
@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.js [data-reveal]{opacity:1;transform:none}
  .status__dot::after{animation:none;opacity:0}
  .radar::before{animation:none}
  .btn:hover,.card--glass:hover,.to-top:hover{transform:none}
}