/* ============================================================
   BET体育 · 共享外壳样式 /assets/site.css
   夜间赛场 + 电子记分牌 · 深墨绿 / 荧光青柠 / 暖橙
   ============================================================ */

/* ---------- 变量 ---------- */
:root{
  --ink:#0B2B26;
  --ink-deep:#071D1A;
  --ink-black:#051613;
  --lime:#C7F464;
  --orange:#FF8C42;
  --paper:#F4EFE4;
  --mist:#D9E8E4;
  --card:#123A33;
  --text:#12211F;
  --muted:#5F6F6B;
  --glow:rgba(199,244,100,.35);
  --line:rgba(217,232,228,.16);
  --line-lime:rgba(199,244,100,.22);

  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-title:"Arial Narrow","Helvetica Neue",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --header-h:68px;
  --rail-w:0px;
  --tabbar-h:0px;
  --maxw:1180px;
  --r-lg:22px;
  --r-cut:4px 22px 4px 22px;
  --shadow-deep:0 26px 60px -30px rgba(0,0,0,.9);

  --sp-1:6px;
  --sp-2:12px;
  --sp-3:18px;
  --sp-4:26px;
  --sp-5:38px;
  --sp-6:56px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 18px)}
body{
  margin:0;
  padding-left:var(--rail-w);
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img,svg,video{max-width:100%;height:auto}
button{font:inherit;color:inherit}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;line-height:1.3}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
a{color:var(--lime)}
a:hover{color:var(--orange)}
main{display:block}
#main-content{scroll-margin-top:calc(var(--header-h) + 18px)}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* ---------- 通用容器 ---------- */
.container{width:min(100% - 32px,var(--maxw));margin-inline:auto}
.container--narrow{width:min(100% - 32px,760px);margin-inline:auto}

.section{padding:var(--sp-6) 0}
.section--tight{padding:var(--sp-5) 0}
.section--paper{background:var(--paper);color:var(--text)}
.section--paper h1,.section--paper h2,.section--paper h3{color:var(--text)}
.section--paper a{color:#0d5a4c}
.section--paper a:hover{color:#b2541a}

.section__head{max-width:70ch;margin-bottom:var(--sp-4)}
.eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--lime);
  margin:0 0 var(--sp-2);
}
.section-title{
  font-family:var(--font-title);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:clamp(1.5rem,3.4vw,2.35rem);
  color:inherit;
  margin:0 0 var(--sp-2);
}
.lede{font-size:1.02rem;line-height:1.9;color:var(--mist);max-width:66ch;margin:0 0 var(--sp-3)}
.section--paper .lede{color:var(--muted)}

.prose{
  background:var(--paper);
  color:var(--text);
  border-radius:var(--r-lg);
  padding:clamp(20px,4vw,46px);
  line-height:1.95;
}
.prose h2{font-family:var(--font-title);letter-spacing:.06em;font-size:1.35rem;margin-top:1.6em}
.prose h3{font-size:1.08rem;margin-top:1.4em}
.prose p,.prose li{color:#22322F}
.prose a{color:#0d5a4c;font-weight:500}

.grid{display:grid;gap:var(--sp-3)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.slash-rule{
  height:1px;border:0;margin:var(--sp-5) 0;
  background:repeating-linear-gradient(90deg,var(--glow) 0 10px,transparent 10px 22px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-title);font-size:.88rem;letter-spacing:.1em;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn--primary{background:var(--lime);color:var(--ink-deep);box-shadow:0 14px 30px -18px rgba(199,244,100,.9)}
.btn--primary:hover{background:#d8ff7c;color:var(--ink-deep);transform:translateY(-1px)}
.btn--ghost{border-color:rgba(217,232,228,.34);color:var(--mist);background:rgba(11,43,38,.35)}
.btn--ghost:hover{color:var(--lime);border-color:var(--glow)}
.btn--accent{background:var(--orange);color:#2b1306;border-color:rgba(255,255,255,.22)}
.btn--accent:hover{background:#ffa163;color:#2b1306}
.btn--block{width:100%}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:calc(var(--rail-w) + 12px);top:10px;z-index:200;
  background:var(--lime);color:var(--ink-deep);
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;
  padding:10px 16px;border-radius:10px;text-decoration:none;
  transform:translateY(-220%);
  transition:transform .22s ease;
}
.skip-link:focus{transform:translateY(0);color:var(--ink-deep)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,43,38,.94),rgba(11,43,38,.62));
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header[data-scrolled="true"]{
  background:var(--ink);
  border-bottom-color:var(--line);
  box-shadow:0 18px 44px -26px rgba(0,0,0,.95);
}
.header-inner{
  position:relative;z-index:95;
  width:min(100% - 28px,var(--maxw));margin-inline:auto;
  min-height:var(--header-h);
  display:flex;align-items:center;gap:14px;
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--paper);flex:0 0 auto}
.brand:hover{color:var(--paper)}
.brand__mark{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.2em;
  background:var(--lime);color:var(--ink-deep);
  padding:8px 10px;border-radius:4px 14px 4px 14px;
  box-shadow:0 0 0 1px rgba(199,244,100,.5);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-family:var(--font-title);text-transform:uppercase;letter-spacing:.16em;font-size:1rem}
.brand__tag{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.24em;color:var(--lime);opacity:.85}

/* 导航基态（桌面横向） */
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-heading{display:none}
.nav-foot{display:none}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-link{
  display:inline-block;padding:9px 12px;border-radius:999px;
  color:var(--mist);text-decoration:none;font-size:.92rem;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--lime);background:rgba(199,244,100,.09)}
.nav-link[aria-current="page"]{background:var(--lime);color:var(--ink-deep)}
.nav-actions{display:none}

/* 头部动作区 */
.header-actions{display:flex;align-items:center;gap:10px;margin-left:12px;flex:0 0 auto}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  width:44px;height:44px;padding:0;
  background:rgba(18,58,51,.85);border:1px solid var(--line-lime);border-radius:14px;
  cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle__bars{display:block;width:20px;height:14px;position:relative}
.nav-toggle__bars span{
  position:absolute;left:0;width:100%;height:2px;border-radius:2px;
  background:var(--lime);transition:transform .26s ease,opacity .2s ease,top .26s ease;
}
.nav-toggle__bars span:nth-child(1){top:0}
.nav-toggle__bars span:nth-child(2){top:6px}
.nav-toggle__bars span:nth-child(3){top:12px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){top:6px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){top:6px;transform:rotate(-45deg)}

/* 遮罩 */
.nav-scrim{
  position:fixed;inset:0;z-index:85;display:none;
  background:rgba(4,15,13,.66);border:0;padding:0;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.nav-scrim[data-open="true"]{opacity:1;pointer-events:auto}

/* ---------- 品牌轨道 ---------- */
.site-rail{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--ink-deep);color:var(--mist);
  padding:var(--sp-6) 0 72px;
  border-top:1px solid var(--line-lime);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(199,244,100,.05) 0 1px,transparent 1px 26px);
}
.footer-inner{
  position:relative;display:grid;gap:var(--sp-5);
  grid-template-columns:1fr;
}
.footer-brand__mark{
  display:inline-block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;
  background:var(--lime);color:var(--ink-deep);
  padding:7px 10px;border-radius:4px 14px 4px 14px;
}
.footer-brand__line{
  margin:14px 0 8px;font-family:var(--font-title);
  letter-spacing:.08em;font-size:1.05rem;color:var(--paper);
}
.footer-brand__note{margin:0;font-size:.88rem;line-height:1.85;color:var(--muted);max-width:34ch}

.footer-group__title{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--lime);margin:0 0 14px;
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-link{
  display:inline-block;color:var(--mist);text-decoration:none;font-size:.94rem;
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}

.footer-contact{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:10px}
.footer-contact li{display:grid;gap:2px}
.contact-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.contact-value{font-size:.94rem;color:var(--paper);word-break:break-word}
.footer-note{margin:0;font-size:.8rem;line-height:1.75;color:var(--muted);max-width:32ch}

.footer-meta{
  grid-column:1 / -1;
  margin-top:8px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between;
  font-size:.8rem;color:var(--muted);
}
.footer-meta__copy,.footer-icp{margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px;list-style:none;margin:0;padding:0}
.footer-legal a{color:var(--mist);text-decoration:none}
.footer-legal a:hover{color:var(--lime)}
.numeric{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 悬浮导出与回顶 ---------- */
.float-action{
  position:fixed;right:14px;bottom:calc(var(--tabbar-h) + 14px);z-index:75;
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 18px;border-radius:999px;
  background:var(--orange);color:#2b1306;text-decoration:none;
  font-family:var(--font-title);font-size:.85rem;letter-spacing:.12em;
  border:1px solid rgba(255,255,255,.25);
  box-shadow:0 20px 42px -20px rgba(255,140,66,.95);
  transition:transform .2s ease,background .2s ease;
}
.float-action:hover{background:#ffa163;color:#2b1306;transform:translateY(-2px)}
.float-action__icon{font-family:var(--font-mono);font-size:.95rem}

.to-top{
  position:fixed;left:14px;bottom:calc(var(--tabbar-h) + 14px);z-index:75;
  width:44px;height:44px;padding:0;border-radius:14px;cursor:pointer;
  background:rgba(18,58,51,.92);border:1px solid var(--glow);color:var(--lime);
  font-family:var(--font-mono);font-size:1rem;
  transition:transform .2s ease,background .2s ease;
}
.to-top[hidden]{display:none}
.to-top:hover{background:var(--card);transform:translateY(-2px)}

/* ---------- 底部标签栏 ---------- */
.tabbar{display:none}
.tabbar__list{display:flex;list-style:none;margin:0;padding:0}
.tabbar__link{
  flex:1;display:block;text-align:center;padding:10px 2px;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.06em;
  color:var(--mist);text-decoration:none;
  border-top:2px solid transparent;
}
.tabbar__link:hover{color:var(--lime)}
.tabbar__link[aria-current="page"]{color:var(--lime);border-top-color:var(--lime);background:rgba(199,244,100,.07)}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:0 0 var(--sp-3);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;color:var(--muted)}
.breadcrumb__list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb__item a{color:var(--mist);text-decoration:none;border-bottom:1px dashed rgba(217,232,228,.32)}
.breadcrumb__item a:hover{color:var(--lime);border-bottom-color:var(--glow)}
.breadcrumb__sep{color:var(--lime);opacity:.6}

/* ---------- 卡片 / 数据 / 标签 ---------- */
.card{
  position:relative;overflow:hidden;
  background:var(--card);color:var(--paper);
  border:1px solid var(--line-lime);border-radius:var(--r-lg);
  padding:var(--sp-4);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.card:hover{border-color:var(--glow);box-shadow:0 22px 48px -28px rgba(0,0,0,.95),0 0 0 1px var(--glow)}
.card--cut{border-radius:var(--r-cut)}
.card--paper{background:var(--paper);color:var(--text);border-color:rgba(18,33,31,.14)}
.card--paper .lede,.card--paper p{color:var(--muted)}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(1.5rem,4vw,2.3rem);color:var(--lime);line-height:1.15}
.stat__label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.card--paper .stat__value{color:#0d5a4c}
.card--paper .stat__label{color:var(--muted)}

.tag{
  display:inline-block;padding:5px 11px;border-radius:999px;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;
  color:var(--lime);border:1px solid var(--glow);background:rgba(199,244,100,.07);
}
.tag--warm{color:var(--orange);border-color:rgba(255,140,66,.45);background:rgba(255,140,66,.1)}

.chip{
  appearance:none;cursor:pointer;
  padding:8px 15px;border-radius:999px;
  background:transparent;border:1px solid rgba(217,232,228,.24);
  color:var(--mist);font-family:var(--font-mono);font-size:.76rem;letter-spacing:.1em;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--glow);color:var(--lime)}
.chip[aria-pressed="true"]{background:var(--lime);color:var(--ink-deep);border-color:var(--lime)}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 var(--sp-3)}
.filter-count{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--muted)}

/* ---------- 标签页 ---------- */
.tabs{margin:0}
.tab-list{display:flex;flex-wrap:wrap;gap:8px;padding:0 0 12px;border-bottom:1px solid var(--line)}
.tab{
  appearance:none;cursor:pointer;
  padding:10px 16px;border-radius:999px;
  background:rgba(18,58,51,.7);border:1px solid var(--line);
  color:var(--mist);font-size:.88rem;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tab:hover{color:var(--lime);border-color:var(--glow)}
.tab[aria-selected="true"]{background:var(--lime);color:var(--ink-deep);border-color:var(--lime)}
.tab-panel{padding-top:var(--sp-3)}
.tab-panel[hidden]{display:none}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(140deg,var(--ink-deep),#0f342c);
  border:1px solid var(--line-lime);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(118deg,rgba(199,244,100,.07) 0 1px,transparent 1px 17px);
}
.media img,.media svg,.media video{display:block;width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media__caption{
  margin:10px 0 0;font-family:var(--font-mono);font-size:.7rem;
  letter-spacing:.14em;color:var(--muted);
}

/* ---------- 显现动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (min-width:721px){
  .float-action{right:22px;bottom:22px}
  .to-top{left:auto;right:22px;bottom:84px}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (min-width:981px){
  .nav-toggle{display:none}
  .nav-scrim{display:none}
  .header-actions{margin-left:14px}
}

/* ---------- 移动端抽屉 ---------- */
@media (max-width:980px){
  .site-nav{
    position:fixed;top:0;right:0;z-index:90;
    width:min(88vw,360px);height:100vh;height:100dvh;
    margin-left:0;padding:calc(var(--header-h) + 22px) 20px 26px;
    display:flex;flex-direction:column;align-items:stretch;gap:14px;
    background:linear-gradient(180deg,var(--ink-deep),var(--ink-black));
    border-left:1px solid var(--line-lime);
    box-shadow:-34px 0 70px -34px rgba(0,0,0,.95);
    transform:translateX(102%);
    transition:transform .34s cubic-bezier(.33,1,.68,1);
    overflow-y:auto;
  }
  .site-nav[data-open="true"]{transform:translateX(0)}
  .nav-heading{
    display:block;margin:0;
    font-family:var(--font-mono);font-size:.64rem;letter-spacing:.28em;
    text-transform:uppercase;color:var(--muted);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:14px 16px;font-size:1.02rem;border-radius:14px}
  .nav-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}
  .nav-foot{
    display:block;margin:0;
    font-family:var(--font-mono);font-size:.6rem;letter-spacing:.2em;color:var(--muted);
  }
  .nav-scrim{display:block}
  .nav-toggle{display:inline-flex}
  .header-cta.btn--ghost{display:none}
  .header-actions .btn--primary{padding:10px 15px;font-size:.82rem}
  .header-actions{gap:8px;margin-left:auto}
}

/* ---------- 手机 ---------- */
@media (max-width:720px){
  :root{--header-h:62px;--tabbar-h:60px}
  .section{padding:var(--sp-5) 0}
  .tabbar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:78;
    background:rgba(7,29,26,.97);border-top:1px solid var(--line-lime);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .site-footer{padding-bottom:calc(var(--tabbar-h) + 56px)}
  .float-action{padding:11px 16px;font-size:.8rem}
}

@media (max-width:520px){
  .brand__tag{display:none}
  .container{width:min(100% - 24px,var(--maxw))}
  .card{padding:var(--sp-3)}
}

/* ---------- 桌面侧边品牌轨道 ---------- */
@media (min-width:1100px){
  :root{--rail-w:68px}
  .site-rail{
    display:flex;position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);z-index:70;
    flex-direction:column;align-items:center;gap:18px;
    padding:110px 0 40px;
    background:linear-gradient(180deg,var(--ink),var(--ink-black));
    border-right:1px solid var(--line);
  }
  .rail__label{
    writing-mode:vertical-rl;
    font-family:var(--font-mono);font-size:.6rem;letter-spacing:.34em;
    text-transform:uppercase;color:var(--muted);
  }
  .rail__label--alt{color:rgba(199,244,100,.55)}
  .rail__line{position:relative;flex:1;width:2px;background:rgba(217,232,228,.14);border-radius:2px;overflow:hidden}
  .rail__progress{
    position:absolute;left:0;right:0;top:0;height:0;
    background:linear-gradient(180deg,var(--lime),var(--orange));
    transition:height .12s linear;
  }
  .footer-inner{grid-template-columns:1.25fr .8fr .8fr 1.15fr}
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}