/* ==========================================================================
   TVT体育 · 共享样式 /assets/site.css
   深绿看台画布 + 编辑部分区 + 数据高亮
   ========================================================================== */

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

/* ---------- tokens ---------- */
:root{
  --tvt-deep:#0B1A14;
  --tvt-alt:#12261E;
  --tvt-cream:#F3EEE1;
  --tvt-paper:#CFC9B8;
  --tvt-lime:#C9FF3D;
  --tvt-blue:#2E7BFF;
  --tvt-orange:#FF7A33;
  --tvt-brick:#D94A3D;
  --tvt-sage:#8FA79B;
  --tvt-ink:#0A0D0B;

  --hair:rgba(207,201,184,.18);
  --hair-strong:rgba(207,201,184,.36);

  --rail-w:272px;
  --shell-max:1240px;
  --gap:clamp(16px,2.2vw,30px);
  --pad-x:clamp(16px,4vw,44px);
  --band-y:clamp(40px,6vw,88px);

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

  --t-fast:140ms;
  --t-mid:180ms;
  --t-slow:320ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-soft:0 20px 42px -30px rgba(10,13,11,.95);
}

/* ---------- base ---------- */
body{
  min-height:100vh;
  background-color:var(--tvt-deep);
  background-image:
    radial-gradient(120% 70% at 84% -12%,rgba(46,123,255,.16),transparent 58%),
    radial-gradient(80% 55% at 6% 4%,rgba(201,255,61,.07),transparent 52%);
  background-repeat:no-repeat;
  color:var(--tvt-cream);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  font-feature-settings:"kern" 1;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1;
  letter-spacing:.01em;
  text-transform:uppercase;
}
p{overflow-wrap:break-word}
strong{font-weight:700;color:var(--tvt-cream)}
::selection{background:var(--tvt-lime);color:var(--tvt-ink)}
:focus-visible{outline:2px solid var(--tvt-blue);outline-offset:2px}
#main-content{display:block;scroll-margin-top:88px}
@media (min-width:1080px){
  #main-content{scroll-margin-top:20px}
  body{padding-left:var(--rail-w)}
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:8px;
  left:8px;
  z-index:200;
  padding:11px 16px;
  background:var(--tvt-lime);
  color:var(--tvt-ink);
  font:700 13px/1 var(--font-mono);
  letter-spacing:.08em;
  transform:translateY(-220%);
  transition:transform var(--t-fast) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- header : mobile first ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(11,26,20,.94);
  color:var(--tvt-cream);
  border-bottom:1px solid var(--hair);
  backdrop-filter:blur(10px);
}
.site-header__bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px var(--pad-x);
}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  display:grid;
  place-items:center;
  flex:0 0 auto;
  width:42px;
  height:42px;
  background:var(--tvt-lime);
  color:var(--tvt-ink);
  font:700 13px/1 var(--font-mono);
  letter-spacing:.04em;
}
.brand__text{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  line-height:1;
  letter-spacing:.03em;
  text-transform:uppercase;
}
.brand__descriptor{
  font:500 10.5px/1.3 var(--font-mono);
  letter-spacing:.06em;
  color:var(--tvt-sage);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
@media (max-width:400px){.brand__descriptor{display:none}}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border:1px solid var(--hair-strong);
  color:var(--tvt-paper);
  font:600 12px/1 var(--font-mono);
  letter-spacing:.14em;
  transition:border-color var(--t-mid) var(--ease),color var(--t-fast) var(--ease);
}
.nav-toggle:hover{border-color:var(--tvt-lime);color:var(--tvt-lime)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform var(--t-mid) var(--ease),opacity var(--t-fast) var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) 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){transform:translateY(-6px) rotate(-45deg)}

.site-nav{display:none}
.site-nav__caption{
  font:600 10.5px/1 var(--font-mono);
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--tvt-sage);
}
.site-nav__list{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:10px;-webkit-overflow-scrolling:touch}
.site-nav__item{flex:0 0 auto;scroll-snap-align:start}
.site-nav__link{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:112px;
  padding:11px 14px;
  border:1px solid var(--hair);
  background:rgba(18,38,30,.72);
  color:var(--tvt-paper);
  font:600 16px/1.1 var(--font-display);
  letter-spacing:.04em;
  text-transform:uppercase;
  transition:color var(--t-fast) var(--ease),border-color var(--t-mid) var(--ease),background-color var(--t-fast) var(--ease);
}
.site-nav__index{font:500 10.5px/1 var(--font-mono);letter-spacing:.16em;color:var(--tvt-sage)}
.site-nav__link:hover{border-color:var(--hair-strong);color:var(--tvt-cream)}
.site-nav__link[aria-current="page"]{border-color:var(--tvt-lime);color:var(--tvt-lime);background:rgba(201,255,61,.08)}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--tvt-lime)}

.rail-console{display:none}

.site-header[data-open] .site-nav{display:block;padding:12px var(--pad-x) 4px}
.site-header[data-open] .rail-console{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:4px var(--pad-x) 18px;
}

.scope-switch{display:grid;gap:8px}
.scope-switch__label{font:600 10.5px/1 var(--font-mono);letter-spacing:.22em;text-transform:uppercase;color:var(--tvt-sage)}
.scope-switch__options{display:flex;flex-wrap:wrap;gap:6px}
.scope-switch__btn{
  padding:9px 11px;
  border:1px solid var(--hair);
  color:var(--tvt-paper);
  font:600 11.5px/1 var(--font-mono);
  letter-spacing:.08em;
  transition:transform var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.scope-switch__btn:hover{border-color:var(--hair-strong);color:var(--tvt-cream);transform:translateX(2px)}
.scope-switch__btn[aria-pressed="true"]{background:var(--tvt-lime);border-color:var(--tvt-lime);color:var(--tvt-ink)}

.rail-meter{display:none}

/* ---------- header : desktop rail ---------- */
@media (min-width:1080px){
  .site-header{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:var(--rail-w);
    display:flex;
    flex-direction:column;
    gap:22px;
    padding:26px 20px 22px;
    border-bottom:0;
    border-right:1px solid var(--hair);
    background:linear-gradient(180deg,rgba(18,38,30,.98),rgba(11,26,20,.98));
    backdrop-filter:none;
    overflow:hidden;
  }
  .site-header__bar{display:block;padding:0}
  .nav-toggle{display:none}
  .site-nav{display:block;flex:1 1 auto;overflow-y:auto;padding-right:2px}
  .site-nav__caption{
    padding-bottom:10px;
    margin-bottom:10px;
    border-bottom:1px solid var(--hair);
  }
  .site-nav__list{display:block;overflow:visible;padding-bottom:0}
  .site-nav__item{display:block}
  .site-nav__link{
    flex-direction:row;
    align-items:baseline;
    gap:10px;
    min-width:0;
    padding:11px 12px 11px 13px;
    border:0;
    border-left:2px solid transparent;
    background:transparent;
    font-size:19px;
    transition:color var(--t-fast) var(--ease),border-color var(--t-mid) var(--ease),background-color var(--t-fast) var(--ease);
  }
  .site-nav__link:hover{
    color:var(--tvt-cream);
    border-left-color:var(--tvt-sage);
    background:rgba(18,38,30,.7);
  }
  .site-nav__link[aria-current="page"]{
    color:var(--tvt-lime);
    border-left-color:var(--tvt-lime);
    background:linear-gradient(90deg,rgba(201,255,61,.12),transparent);
  }
  .rail-console{display:grid;gap:14px;flex:0 0 auto}
  .site-header__cta{width:100%}
  .rail-meter{
    display:block;
    position:absolute;
    top:0;
    right:0;
    bottom:0;
    width:2px;
    background:rgba(207,201,184,.14);
  }
  .rail-meter__fill{display:block;width:100%;height:0;background:var(--tvt-lime)}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 18px;
  border:1px solid var(--hair-strong);
  color:var(--tvt-cream);
  background:transparent;
  font:600 12.5px/1 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn--ghost:hover{border-color:var(--tvt-lime);color:var(--tvt-lime)}
.btn--primary{
  background:var(--tvt-lime);
  border-color:var(--tvt-lime);
  color:var(--tvt-ink);
  font-family:var(--font-body);
  font-weight:700;
  letter-spacing:.08em;
}
.btn--primary:hover{background:var(--tvt-cream);border-color:var(--tvt-cream)}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--shell-max);margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x)}

.band{padding:var(--band-y) 0;border-top:1px solid var(--hair)}
.band--alt{background:var(--tvt-alt)}
.band--ink{background:var(--tvt-ink)}
.band--rule{border-top:2px solid var(--tvt-lime)}
.band--cream{
  background:var(--tvt-cream);
  color:var(--tvt-deep);
  --hair:rgba(11,26,20,.16);
  --hair-strong:rgba(11,26,20,.34);
  --tvt-cream:#0B1A14;
  --tvt-paper:#4B5248;
  --tvt-sage:#5C6B60;
}
.band__inner{width:100%;max-width:var(--shell-max);margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x)}

.page-head{padding:clamp(28px,4.5vw,64px) 0 clamp(20px,3vw,38px);border-bottom:1px solid var(--hair)}
.page-head__title{
  font-size:clamp(40px,7vw,88px);
  line-height:.95;
  letter-spacing:-.01em;
  margin-top:14px;
}
.page-head__meta{
  margin-top:16px;
  max-width:62ch;
  color:var(--tvt-paper);
  font-size:16px;
}

.breadcrumbs{font:500 11.5px/1.5 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--tvt-sage)}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__item{display:flex;align-items:center;gap:8px}
.breadcrumbs__item+ .breadcrumbs__item::before{content:"/";color:var(--hair-strong)}
.breadcrumbs__link{transition:color var(--t-fast) var(--ease)}
.breadcrumbs__link:hover{color:var(--tvt-lime)}
.breadcrumbs__item[aria-current="page"]{color:var(--tvt-cream)}

.section-head{display:grid;gap:12px;margin-bottom:clamp(20px,3vw,40px)}
.eyebrow{
  font:600 11.5px/1 var(--font-mono);
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--tvt-lime);
}
.section-title{font-size:clamp(28px,4.2vw,40px);line-height:1.02}
.lede{max-width:64ch;color:var(--tvt-paper);font-size:clamp(16px,1.3vw,18px)}
@media (min-width:900px){
  .section-head--split{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:end;column-gap:var(--gap)}
  .section-head--split .lede{grid-column:2;grid-row:1 / span 3;align-self:end}
}

.prose{max-width:68ch;color:var(--tvt-paper);font-size:17px}
.prose p+p{margin-top:1.05em}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.6em;color:var(--tvt-cream);font-size:clamp(20px,2.4vw,26px)}
.prose ul,.prose ol{margin-top:1em;padding-left:1.1em}
.prose li+li{margin-top:.5em}
.prose li::marker{color:var(--tvt-lime)}
.prose code{font-family:var(--font-mono);font-size:.94em;color:var(--tvt-lime)}

.ulink{
  color:var(--tvt-cream);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0% 1px;
  transition:background-size var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.ulink:hover{background-size:100% 1px;color:var(--tvt-lime)}

.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.grid>*{grid-column:1 / -1}
@media (min-width:720px){
  .grid>.span-3{grid-column:span 3}
  .grid>.span-4{grid-column:span 4}
  .grid>.span-6{grid-column:span 6}
  .grid>.span-8{grid-column:span 8}
  .grid>.span-9{grid-column:span 9}
}

.stack>*+*{margin-top:clamp(14px,2vw,24px)}
.rule{height:1px;background:var(--hair);border:0}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- image containers ---------- */
.media{
  position:relative;
  overflow:hidden;
  background:var(--tvt-alt);
  border:1px solid var(--hair);
  aspect-ratio:16 / 9;
}
.media img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.06)}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media__tint{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,13,11,.06),rgba(10,13,11,.74));
  pointer-events:none;
}
.media__tag{
  position:absolute;
  top:0;
  left:0;
  padding:8px 11px;
  background:var(--tvt-lime);
  color:var(--tvt-ink);
  font:700 11px/1 var(--font-mono);
  letter-spacing:.16em;
  text-transform:uppercase;
}
.media__caption{margin-top:10px;font-size:13px;line-height:1.6;color:var(--tvt-sage)}

.float-card{
  background:rgba(18,38,30,.82);
  border:1px solid var(--hair-strong);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(6px);
  padding:16px 18px;
}

/* ---------- data atoms ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1;
  letter-spacing:-.01em;
  color:var(--tvt-lime);
}
.stat__label{font:500 11.5px/1.5 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--tvt-sage)}
.stat--blue .stat__value{color:var(--tvt-blue)}
.stat--orange .stat__value{color:var(--tvt-orange)}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border:1px solid var(--hair-strong);
  color:var(--tvt-paper);
  font:600 11px/1 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
}
.pill__dot{width:6px;height:6px;background:currentColor;border-radius:50%}
.pill--live{background:var(--tvt-lime);border-color:var(--tvt-lime);color:var(--tvt-ink)}
.pill--warn{background:var(--tvt-orange);border-color:var(--tvt-orange);color:var(--tvt-ink)}
.pill--note{border-color:var(--tvt-brick);color:var(--tvt-cream)}

.table-wrap{overflow-x:auto;border:1px solid var(--hair);background:rgba(18,38,30,.42)}
.table{min-width:520px;font-size:15px;font-variant-numeric:tabular-nums}
.table caption{
  caption-side:top;
  text-align:left;
  padding:12px 14px 0;
  color:var(--tvt-sage);
  font:500 11.5px/1.5 var(--font-mono);
  letter-spacing:.14em;
  text-transform:uppercase;
}
.table th{
  background:var(--tvt-alt);
  color:var(--tvt-paper);
  font:600 11.5px/1.5 var(--font-mono);
  letter-spacing:.12em;
  text-transform:uppercase;
  text-align:left;
  padding:11px 14px;
  border-bottom:1px solid var(--hair-strong);
  white-space:nowrap;
}
.table td{padding:12px 14px;border-bottom:1px solid var(--hair);color:var(--tvt-cream)}
.table tbody tr:hover td{background:rgba(201,255,61,.06)}
.table td.num{color:var(--tvt-lime)}
.band--cream .table-wrap{background:#fff;border-color:var(--hair)}
.band--cream .table th{background:#E4DDCC;color:#333}
.band--cream .table td{color:#0B1A14}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:0;
  padding:clamp(38px,5vw,68px) 0 26px;
  background:var(--tvt-ink);
  color:var(--tvt-paper);
  border-top:1px solid var(--hair);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:min(420px,60%);
  height:2px;
  background:linear-gradient(90deg,var(--tvt-lime),var(--tvt-blue));
}
.site-footer__top{display:grid;gap:clamp(24px,4vw,48px);grid-template-columns:1fr}
@media (min-width:900px){
  .site-footer__top{grid-template-columns:minmax(200px,1fr) minmax(0,2.3fr)}
}
.site-footer__brand-block{display:flex;flex-direction:column;gap:10px}
.footer-brand{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(24px,3vw,34px);
  line-height:1;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--tvt-cream);
  transition:color var(--t-fast) var(--ease);
}
.footer-brand:hover{color:var(--tvt-lime)}
.footer-brand__descriptor{font:500 11px/1.5 var(--font-mono);letter-spacing:.1em;color:var(--tvt-sage)}

.footer-nav{display:grid;gap:clamp(22px,3vw,34px);grid-template-columns:1fr}
@media (min-width:560px){.footer-nav{grid-template-columns:repeat(3,minmax(0,1fr))}}
.footer-nav__col{min-width:0}
.footer-nav__title{
  padding-bottom:10px;
  margin-bottom:12px;
  border-bottom:1px solid var(--hair);
  font:600 11.5px/1 var(--font-mono);
  letter-spacing:.2em;
  color:var(--tvt-cream);
}
.footer-nav__list{display:grid;gap:9px}
.footer-nav__link{
  font-size:14.5px;
  color:var(--tvt-paper);
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0% 1px;
  transition:background-size var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.footer-nav__link:hover{background-size:100% 1px;color:var(--tvt-lime)}
.footer-nav__link[aria-current="page"]{color:var(--tvt-lime)}

.site-footer__contact{margin-top:clamp(28px,4vw,44px);padding-top:clamp(22px,3vw,32px);border-top:1px solid var(--hair)}
.contact-list{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:720px){.contact-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
.contact-list__item{min-width:0}
.contact-list__term{font:600 10.5px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--tvt-sage)}
.contact-list__desc{
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.6;
  color:var(--tvt-cream);
  word-break:break-word;
}
.contact-note{margin-top:14px;max-width:72ch;font-size:13px;line-height:1.7;color:var(--tvt-sage)}

.site-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(24px,3vw,34px);
  padding-top:18px;
  border-top:1px solid var(--hair);
  font:500 11.5px/1.7 var(--font-mono);
  letter-spacing:.08em;
  color:var(--tvt-sage);
}
.site-footer__icp{color:var(--tvt-paper)}
.site-footer__copy{color:var(--tvt-sage)}

/* ---------- reveal ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease);
}
html.js [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .skip-link{transition:none}
  .nav-toggle,.nav-toggle__bars span{transition:none}
  .site-nav__link,.scope-switch__btn,.btn,.ulink,.footer-nav__link,.breadcrumbs__link,.footer-brand{transition-property:color,background-color,border-color}
  .scope-switch__btn:hover{transform:none}
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
}