/* =========================================================
   BEPLAY体育 · /assets/site.css
   共享外壳：reset / tokens / 排版 / 轨道式页头 / 四栏页脚 / 通用组件
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html.is-nav-open{overflow:hidden}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,address{margin:0;padding:0}
ul,ol{list-style:none}
img,picture,video,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:2px}

/* ---------- 2. Tokens ---------- */
:root{
  --sky:#0B1220;
  --carbon:#101418;
  --stone:#3B4652;
  --paper:#F2EDE4;
  --moss:#5E7A5A;
  --clay:#B4674A;
  --cyan:#2BF0D0;
  --orange:#FF7A2F;
  --indigo:#7C5CFF;
  --lime:#A8E05F;
  --coral:#FF6B6B;
  --paper-gray:#C9C2B6;

  --ink:var(--paper);
  --ink-dim:rgba(242,237,228,.74);
  --ink-mute:rgba(201,194,182,.66);
  --hair:rgba(201,194,182,.16);
  --hair-strong:rgba(201,194,182,.32);
  --surface:rgba(16,20,24,.74);
  --surface-2:rgba(11,18,32,.88);

  --font-display:"Archivo Narrow","Arial Narrow","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --rail-w:236px;
  --topbar-h:64px;
  --maxw:1240px;
  --radius:4px;
  --ease:cubic-bezier(.22,.7,.3,1);
}

/* ---------- 3. Base ---------- */
body{
  min-height:100vh;
  background-color:var(--sky);
  background-image:
    radial-gradient(1100px 620px at 82% -12%, rgba(43,240,208,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 108%, rgba(124,92,255,.12), transparent 60%),
    radial-gradient(700px 420px at 46% 42%, rgba(180,103,74,.07), transparent 65%);
  background-repeat:no-repeat;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(36px,5.2vw,64px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(20px,2.2vw,32px)}
h4{font-size:clamp(18px,1.6vw,24px)}
p{color:var(--ink-dim)}
strong{color:var(--ink);font-weight:700}

/* ---------- 4. Utilities ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-mute);
}
.kicker::before{content:"";width:18px;height:2px;background:var(--cyan)}
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-200%);
  padding:10px 18px;background:var(--cyan);color:#05231F;
  font-weight:700;font-size:14px;border-radius:2px;
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:none}

/* ---------- 5. Layout ---------- */
.site-main{min-height:60vh;padding-left:var(--rail-w)}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(16px,3.6vw,40px)}
.section{padding:clamp(40px,6vw,88px) 0}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:clamp(20px,3vw,36px);
}
.section__title{margin:0;font-size:clamp(24px,3.2vw,40px)}
.section__lead{margin:0;max-width:40em;color:var(--ink-dim);font-size:16px}
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;gap:clamp(20px,3vw,40px)}
.split--7-5{grid-template-columns:7fr 5fr}
.split--8-4{grid-template-columns:8fr 4fr}
.split--5-7{grid-template-columns:5fr 7fr}
.prose{max-width:40em}
.prose p{margin-bottom:1.1em}
.prose p:last-child{margin-bottom:0}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(43,240,208,.45)}
.prose ul{display:flex;flex-direction:column;gap:8px;margin:0 0 1.1em}
.prose li{padding-left:18px;position:relative;color:var(--ink-dim)}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--cyan)}

/* ---------- 6. Components ---------- */
.btn{
  --btn-bg:transparent;--btn-fg:var(--paper);--btn-bd:var(--hair-strong);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  color:var(--btn-fg);background:var(--btn-bg);border:1px solid var(--btn-bd);border-radius:2px;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{--btn-bg:var(--cyan);--btn-fg:#05231F;--btn-bd:var(--cyan)}
.btn--primary:hover{--btn-bg:#63f6e0;--btn-bd:#63f6e0}
.btn--orange{--btn-bg:var(--orange);--btn-fg:#251006;--btn-bd:var(--orange)}
.btn--orange:hover{--btn-bg:#ff9358;--btn-bd:#ff9358}
.btn--ghost{--btn-bg:rgba(242,237,228,.04);--btn-fg:var(--ink);--btn-bd:var(--hair-strong)}
.btn--ghost:hover{--btn-bd:var(--cyan);--btn-fg:var(--cyan)}
.btn--sm{min-height:38px;padding:0 14px;font-size:14px}
.btn--block{width:100%}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;line-height:1.6;
  color:var(--ink-mute);
  background:rgba(242,237,228,.03);
  border:1px solid var(--hair-strong);border-radius:999px;
}
.chip--cyan{color:var(--cyan);border-color:rgba(43,240,208,.45)}
.chip--orange{color:var(--orange);border-color:rgba(255,122,47,.5)}
.chip--moss{color:#93B08C;border-color:rgba(94,122,90,.75)}
.chip--clay{color:#D28A6C;border-color:rgba(180,103,74,.75)}
.chip--indigo{color:#A796FF;border-color:rgba(124,92,255,.6)}
.chip--lime{color:var(--lime);border-color:rgba(168,224,95,.55)}
.chip--coral{color:var(--coral);border-color:rgba(255,107,107,.55)}

.plate{
  position:relative;display:flex;flex-direction:column;gap:10px;
  padding-top:20px;border-top:1px solid var(--hair-strong);
}
.plate::before{content:"";position:absolute;top:-3px;left:0;width:38px;height:5px;background:var(--cyan)}
.plate__no{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--cyan)}
.plate__title{font-family:var(--font-display);font-weight:800;font-size:clamp(26px,3.2vw,44px);line-height:1.1;letter-spacing:-.01em}
.plate__lead{max-width:40em;color:var(--ink-dim);font-size:16px}

.card{
  position:relative;display:block;
  padding:clamp(18px,2.4vw,26px);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--hair);border-radius:var(--radius);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s var(--ease);
}
.card:hover,.card:focus-within{transform:translateY(-2px);border-color:var(--hair-strong)}
.card:hover::after,.card:focus-within::after{transform:none}
.card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.card__title{font-family:var(--font-display);font-weight:800;font-size:clamp(19px,1.8vw,24px);line-height:1.25;margin-bottom:8px}
.card__body{color:var(--ink-dim);font-size:16px}

.stat{display:flex;flex-direction:column;gap:2px}
.stat__num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(48px,8vw,96px);line-height:.95;color:var(--cyan);
}
.stat__num--orange{color:var(--orange)}
.stat__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--ink-mute)}

.media{
  position:relative;overflow:hidden;display:block;
  background:#0C1526;border:1px solid var(--hair);border-radius:var(--radius);
}
.media::before{content:"";display:block;padding-top:62%}
.media > img,.media > picture,.media > video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.media--wide::before{padding-top:44%}
.media--tall::before{padding-top:120%}
.media--square::before{padding-top:100%}
.media--glow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(62% 62% at 50% 100%, rgba(43,240,208,.20), transparent 72%);
}

.accordion{border-top:1px solid var(--hair)}
.accordion__item{border-bottom:1px solid var(--hair)}
.accordion__trigger{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:14px 4px;text-align:left;
  color:var(--ink);font-size:17px;font-weight:600;
  transition:color .18s var(--ease);
}
.accordion__trigger:hover{color:var(--cyan)}
.accordion__icon{font-family:var(--font-mono);color:var(--cyan);transition:transform .2s var(--ease)}
.accordion__trigger[aria-expanded="true"] .accordion__icon{transform:rotate(45deg)}
.accordion__panel{padding:0 4px 18px;color:var(--ink-dim);font-size:16px;max-width:44em}
.accordion__panel[hidden]{display:none}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  min-height:38px;padding:0 14px;border-radius:999px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--ink-mute);background:transparent;border:1px solid var(--hair-strong);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.filter-btn:hover{color:var(--ink);border-color:var(--paper-gray)}
.filter-btn[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:#05231F}
.is-filtered-out{display:none !important}

.breadcrumb{padding-top:22px}
.breadcrumb__list{
  display:flex;flex-wrap:wrap;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--ink-mute);
}
.breadcrumb__item{display:flex;align-items:center;gap:8px}
.breadcrumb__sep{color:var(--stone)}
.breadcrumb__link{color:var(--ink-dim)}
.breadcrumb__link:hover{color:var(--cyan)}

/* ---------- 7. Header：品牌轨道 + 透明叠加导航 ---------- */
.site-header{
  position:fixed;inset:0;z-index:80;
  display:grid;
  grid-template-columns:var(--rail-w) minmax(0,1fr);
  grid-template-rows:var(--topbar-h) minmax(0,1fr);
  pointer-events:none;
  color:var(--ink);
  background-color:transparent;
  background-image:linear-gradient(180deg, rgba(11,18,32,.80) 0, rgba(11,18,32,.34) 64px, rgba(11,18,32,0) 190px);
}
.site-header[data-stuck]{background-image:none}

.rail{
  grid-column:1;grid-row:1 / -1;
  position:relative;pointer-events:auto;
  display:flex;flex-direction:column;gap:26px;
  padding:26px 20px 20px;
  overflow-y:auto;
  background-color:rgba(12,18,30,.94);
  border-right:1px solid var(--hair);
}
.rail::after{
  content:"";position:absolute;top:0;right:0;width:6px;height:100%;pointer-events:none;
  background-image:repeating-linear-gradient(180deg, rgba(201,194,182,.34) 0 1px, transparent 1px 16px);
  opacity:.65;
}
.rail__brand{
  display:flex;align-items:flex-start;gap:10px;
  padding-bottom:16px;border-bottom:1px solid var(--hair);color:var(--ink);
}
.rail__brand-mark{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.22em;line-height:1;
}
.rail__brand-sub{
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.30em;color:var(--cyan);
}
.rail__nav{flex:1}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-list__item{margin:0}
.nav-link{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 10px;
  border-left:2px solid transparent;
  color:rgba(242,237,228,.72);font-size:15px;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link__idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--stone);transition:color .18s var(--ease)}
.nav-link__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-link:hover{color:var(--ink);background-color:rgba(43,240,208,.07)}
.nav-link:hover .nav-link__idx{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--ink);border-left-color:var(--cyan);background-color:rgba(43,240,208,.10);
}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--cyan)}
.rail__status{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--hair);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--ink-mute);
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);flex:none}
.status-dot.is-pulse{animation:status-pulse 600ms ease-out 1}
.rail__status-label{color:var(--stone)}
.rail__live{color:var(--ink)}
.rail__close{display:none}

.topbar{
  grid-column:2;grid-row:1;
  position:relative;pointer-events:auto;
  display:flex;align-items:center;gap:14px;
  padding-inline:clamp(16px,3vw,32px);
  background-color:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
}
.site-header[data-stuck] .topbar{
  background-color:rgba(16,20,24,.95);
  border-bottom-color:var(--hair);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.topbar__brand{
  display:none;align-items:center;
  font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:.06em;color:var(--ink);
}
.topbar__section{
  display:inline-flex;align-items:center;gap:8px;
  max-width:8em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--ink-mute);
}
.topbar__section::before{content:"";width:8px;height:8px;background:var(--cyan);flex:none}
.topbar__actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.topbar__progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--cyan);opacity:.85;
  transform:scaleX(var(--progress,0));transform-origin:left center;
}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  min-height:44px;padding:0 10px;
  color:var(--ink);font-family:var(--font-mono);font-size:12px;letter-spacing:.10em;
  border:1px solid var(--hair-strong);border-radius:2px;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{
  display:block;width:18px;height:2px;background:currentColor;
  box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor;
}
.nav-scrim{
  display:none;position:fixed;inset:0;z-index:70;
  background:rgba(5,9,16,.62);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
}

/* ---------- 8. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(40px,6vw,90px);
  padding:clamp(40px,5vw,72px) 0 24px;
  background-color:#080D17;
  border-top:1px solid var(--hair);
  color:var(--ink-dim);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:6px;pointer-events:none;
  background-image:repeating-linear-gradient(90deg, var(--hair-strong) 0 1px, transparent 1px 24px);
  opacity:.7;
}
.footer__grid{
  display:grid;gap:clamp(26px,3vw,48px);
  grid-template-columns:1.5fr 1fr 1fr 1.6fr;
}
.footer__col{display:flex;flex-direction:column;gap:12px}
.footer__col--brand{gap:14px}
.footer__brand{
  display:inline-flex;align-items:baseline;gap:6px;
  font-family:var(--font-display);font-weight:800;font-size:24px;letter-spacing:.04em;color:var(--ink);
}
.footer__brand-sub{font-family:var(--font-mono);font-size:13px;letter-spacing:.22em;color:var(--cyan)}
.footer__claim{color:var(--ink);font-size:16px}
.footer__note{color:var(--ink-mute);font-size:13px;max-width:34em}
.footer__title{
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--paper-gray);
}
.footer__list{display:flex;flex-direction:column;gap:2px}
.footer__link{
  display:inline-flex;align-items:center;min-height:44px;
  color:var(--ink-dim);font-size:15px;
  transition:color .18s var(--ease);
}
.footer__link::before{content:"";width:0;height:1px;background:var(--cyan);margin-right:0;transition:width .18s var(--ease),margin-right .18s var(--ease)}
.footer__link:hover{color:var(--cyan)}
.footer__link:hover::before{width:14px;margin-right:8px}
.footer__meta{display:flex;flex-direction:column;gap:12px;font-style:normal}
.footer__meta-row{display:flex;flex-direction:column;gap:2px;margin:0}
.footer__meta-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--stone)}
.footer__meta-v{color:var(--ink);font-size:15px;word-break:break-word}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:clamp(28px,4vw,48px);padding-top:18px;
  border-top:1px solid var(--hair);
  font-size:13px;color:var(--ink-mute);
}
.footer__legal{margin:0}
.footer__version{margin:0;font-size:12px;color:var(--stone)}

/* ---------- 9. Motion ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .21s ease-out,transform .21s ease-out}
[data-reveal].is-revealed{opacity:1;transform:none}
@keyframes status-pulse{from{box-shadow:0 0 0 0 rgba(43,240,208,.55)}to{box-shadow:0 0 0 12px rgba(43,240,208,0)}}
@keyframes score-tick{0%{opacity:.35;transform:translateY(6px)}100%{opacity:1;transform:none}}
.stat__num.is-tick{animation:score-tick 600ms var(--ease) 1}

/* ---------- 10. Responsive ---------- */
@media (max-width:1023px){
  .site-header{display:block;background-image:none}
  .topbar{
    position:absolute;top:0;left:0;right:0;height:var(--topbar-h);z-index:3;
    background-color:rgba(11,18,32,.90);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--hair);
  }
  .nav-toggle{display:inline-flex}
  .topbar__brand{display:inline-flex}
  .topbar__section{margin-left:auto;max-width:6em}
  .topbar__actions{margin-left:0}
  .rail{
    position:fixed;top:0;left:0;bottom:0;width:min(86vw,320px);z-index:4;
    transform:translateX(-104%);
    transition:transform .26s var(--ease);
    background-color:#0C1424;
    border-right:1px solid var(--hair);
    box-shadow:30px 0 80px rgba(0,0,0,.5);
  }
  .site-header[data-open] .rail{transform:none}
  .rail__close{
    display:inline-flex;align-items:center;justify-content:center;
    position:absolute;top:12px;right:16px;width:44px;height:44px;
    color:var(--ink-mute);font-size:22px;line-height:1;
  }
  .rail__close:hover{color:var(--orange)}
  .nav-scrim{display:block}
  .site-header[data-open] .nav-scrim{opacity:1;visibility:visible;pointer-events:auto}
  .site-main{padding-left:0;padding-top:var(--topbar-h)}
  .split--7-5,.split--8-4,.split--5-7{grid-template-columns:minmax(0,1fr)}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:719px){
  body{font-size:16px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer__grid{grid-template-columns:minmax(0,1fr)}
  .topbar__section{display:none}
  .footer__link:hover::before{width:0;margin-right:0}
}
@media (min-width:1024px){
  .topbar__progress{height:2px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;transition-delay:0ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
  .card:hover,.card:focus-within,.btn:hover{transform:none}
  .rail{transition:none}
}