/* /assets/site.css — bet5体育 共享外壳与基础组件 */

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

:root{
  --ink:#0B1230;
  --ink-2:#131B3F;
  --panel-a:#141C46;
  --cyan:#24F0C8;
  --orange:#FF7A2F;
  --violet:#6C5CE7;
  --paper:#F4F7FF;
  --mute:#8A93B2;
  --grid:#2A3466;
  --amber:#FFD166;
  --sans:"PingFang SC","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --rail:240px;
  --maxw:1440px;
  --gutter:clamp(16px,4vw,44px);
  --step:.24s cubic-bezier(.22,.7,.3,1);
}

html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(42,52,102,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,52,102,.16) 1px,transparent 1px);
  background-size:72px 72px,72px 72px;
  background-attachment:fixed;
  min-height:100vh;
}
[id]{scroll-margin-top:128px}
::selection{background:var(--cyan);color:#04121C}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,18,48,.95);
  border-bottom:1px solid var(--grid);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:8px;
  z-index:90;
  padding:10px 18px;
  background:var(--cyan);
  color:#04121C;
  font-weight:800;
  font-size:14px;
  transform:translateY(-200%);
  transition:transform var(--step);
}
.skip-link:focus{transform:translateY(0)}

.header-strip{
  display:flex;
  align-items:center;
  gap:18px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:6px var(--gutter);
  border-bottom:1px solid rgba(42,52,102,.65);
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--mute);
}
.strip-brand{color:var(--cyan);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.strip-tag{color:var(--mute);white-space:nowrap;margin-left:auto}
.strip-links{display:flex;gap:16px}
.strip-links a{
  padding:2px 0;
  border-bottom:1px solid transparent;
  color:var(--paper);
  transition:color var(--step),border-color var(--step);
}
.strip-links a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.header-main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:10px var(--gutter);
  min-height:64px;
}

.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  font-family:var(--mono);
  font-weight:700;
  font-size:15px;
  letter-spacing:.04em;
  color:#04121C;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:900;letter-spacing:.02em;color:var(--paper)}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mute)}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border:1px solid var(--grid);
  color:var(--paper);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  transition:border-color var(--step),color var(--step);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{
  display:block;
  height:2px;
  width:16px;
  background:currentColor;
  transition:transform var(--step);
}
.site-header[data-open="true"] .nav-toggle-bar:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bar:last-child{transform:translateY(-3px) rotate(-45deg)}

.site-nav{
  position:absolute;
  top:100%;
  left:0;
  right:0;
  z-index:70;
  padding:6px var(--gutter) 24px;
  background:var(--ink);
  border-bottom:1px solid var(--grid);
  max-height:calc(100vh - 96px);
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity var(--step),transform var(--step),visibility var(--step);
}
.site-header[data-open="true"] .site-nav{
  opacity:1;
  visibility:visible;
  transform:none;
  pointer-events:auto;
}
.nav-list{display:flex;flex-direction:column}
.nav-list a{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:15px 0;
  border-bottom:1px solid var(--grid);
  font-size:16px;
  font-weight:700;
  color:var(--paper);
  transition:color var(--step);
}
.nav-list a:hover{color:var(--cyan)}
.nav-list a[aria-current="page"]{color:var(--cyan)}
.nav-idx{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--mute)}

.read-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transition:width .12s linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--grid);
  background:linear-gradient(180deg,#0B1230,#070B1E);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--orange));
}
.footer-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(32px,5vw,56px) var(--gutter) 30px;
}
.footer-brand{font-size:22px;font-weight:900;letter-spacing:.02em}
.footer-brand-sub{
  display:block;
  margin-top:6px;
  font-family:var(--mono);
  font-size:10.5px;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--mute);
}
.footer-blurb{
  margin-top:14px;
  max-width:36ch;
  font-size:14px;
  line-height:1.85;
  color:var(--mute);
}
.footer-quick{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-quick a{
  display:inline-block;
  padding:6px 11px;
  border:1px solid var(--grid);
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--paper);
  transition:border-color var(--step),color var(--step);
}
.footer-quick a:hover{border-color:var(--cyan);color:var(--cyan)}

.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
.footer-col-title{
  padding-bottom:10px;
  border-bottom:1px solid var(--grid);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--cyan);
}
.footer-links{display:flex;flex-direction:column;gap:11px;margin-top:14px}
.footer-links a{
  font-size:14.5px;
  color:rgba(244,247,255,.84);
  transition:color var(--step),padding-left var(--step);
}
.footer-links a:hover{color:var(--cyan);padding-left:4px}

.footer-meta{border-top:1px solid var(--grid);background:rgba(19,27,63,.55)}
.footer-meta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:16px var(--gutter) 26px;
  font-size:13px;
  color:var(--mute);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{border-bottom:1px solid transparent;transition:color var(--step),border-color var(--step)}
.footer-legal a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.footer-icp,.footer-copy{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em}

/* ---------- 布局 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{
  padding-block:clamp(36px,5.5vw,72px);
  border-top:1px solid var(--grid);
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 18px;
  margin-bottom:26px;
}
.section-num{font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--orange)}
.section-title{font-size:clamp(22px,3.1vw,34px);font-weight:900;line-height:1.25;letter-spacing:-.01em}
.section-note{margin-left:auto;font-size:13.5px;color:var(--mute)}

.with-rail{display:grid;grid-template-columns:1fr;gap:32px}
.rail{position:static}
.rail-title{
  padding-bottom:10px;
  border-bottom:1px solid var(--grid);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--mute);
}
.rail-nav{display:flex;flex-direction:column;border-left:1px solid var(--grid);margin-top:12px}
.rail-link{
  display:flex;
  gap:10px;
  margin-left:-1px;
  padding:11px 0 11px 14px;
  border-left:2px solid transparent;
  font-size:14px;
  color:var(--mute);
  transition:color var(--step),border-color var(--step);
}
.rail-link:hover{color:var(--paper)}
.rail-link.is-active,.rail-link[aria-current="true"]{color:var(--cyan);border-left-color:var(--cyan)}
.rail-link-idx{font-family:var(--mono);font-size:11px;color:inherit;opacity:.7}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}

.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan)}
.lede{font-size:clamp(16px,1.55vw,19px);line-height:1.8;color:#CDD5EE;max-width:60ch}
.prose{max-width:68ch;font-size:16px;line-height:1.95;color:#DCE3F7}
.prose p + p{margin-top:1.05em}
.prose h3{margin-top:1.7em;margin-bottom:.5em;font-size:20px;font-weight:800;line-height:1.4}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(36,240,200,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}

/* ---------- 组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 20px;
  border:1px solid var(--grid);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--paper);
  background:transparent;
  transition:transform var(--step),border-color var(--step),color var(--step),background-color var(--step);
}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--cyan)}
.btn-primary{background:var(--cyan);border-color:var(--cyan);color:#04121C}
.btn-primary:hover{background:#4FF8D6;border-color:#4FF8D6;color:#04121C}
.btn-accent{background:var(--orange);border-color:var(--orange);color:#1A0A00}
.btn-accent:hover{background:#FF9558;border-color:#FF9558;color:#1A0A00}
.btn-ghost{color:var(--mute)}
.btn-sm{padding:8px 13px;font-size:12.5px}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  padding:20px 0;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mute);
}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li + li::before{content:"/";margin:0 10px;color:var(--grid)}
.breadcrumb a:hover{color:var(--cyan)}

.card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  background:var(--ink-2);
  border:1px solid var(--grid);
  transition:transform var(--step),border-color var(--step);
}
.card:hover{transform:translateY(-2px);border-color:var(--cyan)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:19px;font-weight:800;line-height:1.35}
.card-body{font-size:14.5px;line-height:1.85;color:#C6CFE8}
.card-meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--mute)}

.panel{
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--grid);
  background:linear-gradient(180deg,var(--panel-a),var(--ink));
}

.data-bar{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,165px),1fr));
  gap:1px;
  background:var(--grid);
  border:1px solid var(--grid);
}
.data-bar > *{background:var(--ink-2);padding:18px 20px;min-width:0}

.stat-value{
  font-family:var(--mono);
  font-size:clamp(26px,3.4vw,44px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--cyan);
}
.stat-value.is-plain{color:var(--paper)}
.stat-value.is-warn{color:var(--orange)}
.stat-label{margin-top:9px;font-size:12px;letter-spacing:.1em;color:var(--mute)}

.score{
  font-family:var(--mono);
  font-size:clamp(48px,9vw,112px);
  font-weight:700;
  line-height:.92;
  letter-spacing:-.03em;
  color:var(--paper);
}
.score em{font-style:normal;color:var(--cyan)}
.score .score-sep{color:var(--grid);padding:0 .12em}

.board{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  padding:clamp(18px,2.6vw,30px);
  border:1px solid var(--grid);
  background:linear-gradient(180deg,var(--panel-a),var(--ink));
}
.board-block-title{
  padding-bottom:8px;
  margin-bottom:12px;
  border-bottom:1px solid var(--grid);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--cyan);
}
.board-summary{font-size:15.5px;line-height:1.9;color:#DCE3F7}
.board-evidence,.board-more{font-size:14px;line-height:1.85;color:var(--mute)}
.board-terms dt{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--orange);margin-top:10px}
.board-terms dd{font-size:13.5px;color:#C6CFE8;margin-top:4px}
.board-more a{color:var(--cyan);border-bottom:1px solid rgba(36,240,200,.4)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:1px solid var(--grid);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mute);
}
.tag-live{border-color:rgba(36,240,200,.5);color:var(--cyan)}
.tag-live::before{content:"";width:6px;height:6px;background:currentColor;animation:pulse 1.7s infinite}
.tag-pending{border-color:rgba(255,209,102,.5);color:var(--amber)}
.tag-out{border-color:rgba(255,122,47,.5);color:var(--orange)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

.timeline{position:relative;padding-left:24px;border-left:1px solid var(--grid)}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-29px;
  top:8px;
  width:9px;
  height:9px;
  background:var(--cyan);
}
.timeline-item time{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--orange)}

.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--grid);
  background:linear-gradient(135deg,#141C46,#0B1230);
}
.media img{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(42,52,102,.35) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,52,102,.35) 1px,transparent 1px);
  background-size:48px 48px,48px 48px;
}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media-caption{margin-top:9px;font-size:13px;line-height:1.7;color:var(--mute)}

/* ---------- 动效 ---------- */
.js-ready [data-reveal]{
  opacity:0;
  transform:translateY(10px);
  transition:opacity var(--step),transform var(--step);
}
.js-ready [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:720px){
  .strip-tag,.strip-links{display:none}
  .strip-brand{font-size:10px;letter-spacing:.1em}
}
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{
    position:static;
    display:flex;
    align-items:center;
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
    padding:0;
    border:0;
    background:none;
    max-height:none;
    overflow:visible;
  }
  .nav-list{flex-direction:row;align-items:center;gap:4px}
  .nav-list a{
    padding:10px 12px;
    border-bottom:2px solid transparent;
    font-size:14.5px;
    font-weight:700;
  }
  .nav-list a:hover,.nav-list a[aria-current="page"]{border-bottom-color:var(--cyan);color:var(--cyan)}
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);gap:48px}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
  .board{grid-template-columns:1.35fr 1fr}
}
@media (min-width:1024px){
  .with-rail{grid-template-columns:var(--rail) minmax(0,1fr);gap:clamp(32px,4vw,56px)}
  .rail{position:sticky;top:112px;align-self:start}
}
@media (min-width:1280px){
  .brand-name{font-size:20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .js-ready [data-reveal]{opacity:1;transform:none}
  .btn:hover,.card:hover{transform:none}
}