*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
:root{
  --bg:#0B0E14;
  --bg-deep:#07090F;
  --panel:#1D2B4D;
  --panel-2:#15203A;
  --red:#FF2E4D;
  --red-deep:#D61F3B;
  --yellow:#E6FF3D;
  --green:#00F5A0;
  --gray:#8A94A6;
  --white:#FFFFFF;
  --glass:rgba(255,255,255,0.08);
  --glass-2:rgba(255,255,255,0.04);
  --border:rgba(255,255,255,0.1);
  --mono:"SF Mono","Roboto Mono","Consolas",monospace;
  --rail-w:272px;
  --topbar-h:72px;
  color-scheme:dark;
}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);
  color:var(--white);
  line-height:1.7;
  font-size:16px;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
  background-size:80px 80px;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
input{font:inherit;border:0;background:none;color:inherit;outline:none}
img,svg{max-width:100%;display:block}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}

.skip-link{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%) translateY(-220%);
  z-index:2000;
  background:var(--red);
  color:#fff;
  font-weight:700;
  font-size:14px;
  padding:10px 24px;
  border-radius:2px;
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateX(-50%) translateY(0)}

.progress-track{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  z-index:1500;
  background:rgba(255,255,255,0.04);
  pointer-events:none;
}

.side-rail{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--rail-w);
  z-index:1000;
  background:var(--bg);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  transform:translateX(0);
  transition:transform .3s ease;
}
.side-rail::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:6px;
  z-index:2;
  background:linear-gradient(90deg,var(--red) 0%,var(--red) 62%,var(--yellow) 62%,var(--yellow) 100%);
}
.side-rail__inner{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:32px 20px 20px;
  overflow-y:auto;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:900;
  letter-spacing:0.02em;
}
.brand__mark{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  background:var(--red);
  color:#fff;
  font-family:var(--mono);
  font-weight:700;
  font-size:16px;
  flex:none;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
}
.brand__text{font-size:22px;line-height:1.2}
.side-rail__slogan{
  margin-top:10px;
  padding-left:56px;
  font-size:12px;
  letter-spacing:0.18em;
  color:var(--gray);
  text-transform:uppercase;
}
.side-nav{
  margin-top:36px;
  flex:1;
}
.side-nav__list{display:flex;flex-direction:column;gap:4px}
.side-nav__list a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 12px 12px 16px;
  color:var(--gray);
  font-weight:500;
  font-size:15px;
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-nav__list a::after{
  content:"";
  position:absolute;
  right:16px;
  bottom:6px;
  width:0;
  height:2px;
  background:var(--red);
  transition:width .25s ease;
}
.side-nav__list a:hover{
  color:var(--white);
  background:var(--glass-2);
  border-left-color:var(--red);
}
.side-nav__list a:hover::after{width:20px}
.side-nav__list a[aria-current="page"]{
  color:var(--white);
  background:linear-gradient(90deg,rgba(255,46,77,0.16),transparent);
  border-left-color:var(--red);
}
.side-nav__index{
  font-family:var(--mono);
  font-size:11px;
  color:var(--gray);
  letter-spacing:0.08em;
}
.side-nav__list a[aria-current="page"] .side-nav__index{color:var(--yellow)}
.side-nav__arrow{
  margin-left:auto;
  font-size:14px;
  opacity:0;
  transform:translateX(-6px);
  transition:opacity .2s ease,transform .2s ease;
}
.side-nav__list a:hover .side-nav__arrow,
.side-nav__list a[aria-current="page"] .side-nav__arrow{
  opacity:1;
  transform:none;
}
.side-rail__meta{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 12px 0;
  margin-top:16px;
  border-top:1px solid var(--border);
  font-size:12px;
  color:var(--gray);
}
.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 10px var(--green);
  flex:none;
}
.rail-badge{
  margin-left:auto;
  font-family:var(--mono);
  font-size:11px;
  padding:2px 8px;
  border:1px solid var(--border);
  color:var(--yellow);
}
.nav-overlay{
  position:fixed;
  inset:0;
  z-index:990;
  background:rgba(5,7,12,0.7);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .3s ease,visibility .3s ease;
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.nav-overlay[data-open]{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}

.topbar{
  position:sticky;
  top:0;
  z-index:900;
  height:var(--topbar-h);
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 28px;
  background:rgba(11,14,20,0.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.topbar__slogan{
  font-size:13px;
  letter-spacing:0.2em;
  color:var(--gray);
  text-transform:uppercase;
  white-space:nowrap;
  display:none;
}
.topbar__search{
  flex:1;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--glass);
  border:1px solid var(--border);
  padding:8px 14px;
  transition:border-color .2s ease,background .2s ease;
}
.topbar__search:focus-within{
  border-color:var(--red);
  background:rgba(255,255,255,0.1);
}
.topbar__search-icon{
  width:12px;
  height:12px;
  border:2px solid var(--gray);
  border-radius:50%;
  position:relative;
  flex:none;
}
.topbar__search-icon::after{
  content:"";
  position:absolute;
  width:6px;
  height:2px;
  background:var(--gray);
  transform:rotate(45deg);
  right:-5px;
  top:8px;
  border-radius:2px;
}
.topbar__search input{
  flex:1;
  min-width:0;
  font-size:14px;
  color:var(--white);
}
.topbar__search input::placeholder{color:var(--gray)}
.topbar__search input::-webkit-search-cancel-button{display:none}
.topbar__hot{
  font-size:13px;
  font-weight:700;
  color:var(--yellow);
  white-space:nowrap;
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.topbar__hot:hover{
  color:var(--white);
  border-bottom-color:var(--yellow);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  padding:8px;
  background:var(--glass);
  border:1px solid var(--border);
  flex:none;
}
.nav-toggle__bar{
  height:2px;
  background:var(--white);
  transition:transform .3s ease,opacity .3s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) 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(-7px) rotate(-45deg)}

.site-main{
  position:relative;
  z-index:1;
  min-height:60vh;
}
#main-content:focus{outline:none}

.site-footer{
  position:relative;
  z-index:1;
  margin-top:80px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-deep) 100%);
}
.site-footer::before{
  content:"SANYI SPORTS DATA";
  position:absolute;
  top:-12px;
  left:28px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.3em;
  color:var(--red);
  background:var(--bg);
  padding:0 12px;
  z-index:2;
}
.site-footer__layout{
  max-width:1240px;
  margin:0 auto;
  padding:56px 28px 32px;
  display:grid;
  grid-template-columns:2fr 1fr 1.4fr;
  gap:44px;
}
.brand--footer .brand__mark{width:36px;height:36px;font-size:13px}
.brand--footer .brand__text{font-size:18px}
.site-footer__brand p{
  font-size:14px;
  color:var(--gray);
  margin-top:16px;
  max-width:380px;
}
.site-footer__brand .trust{
  border-left:2px solid var(--red);
  padding-left:12px;
  font-size:12px;
  line-height:1.8;
}
.site-footer__nav h3,
.site-footer__contact h3{
  font-size:14px;
  letter-spacing:0.14em;
  color:var(--white);
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.site-footer__nav h3::before,
.site-footer__contact h3::before{
  content:"";
  width:6px;
  height:16px;
  display:inline-block;
  background:var(--red);
  clip-path:polygon(0 0,100% 0,70% 100%,0 100%);
}
.site-footer__nav a{
  display:block;
  color:var(--gray);
  padding:7px 0;
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer__nav a:hover{
  color:var(--yellow);
  padding-left:8px;
}
.site-footer__contact p{
  font-size:13px;
  color:var(--gray);
  margin-bottom:10px;
  word-break:break-all;
}
.site-footer__contact .btn{margin-top:12px}
.site-footer__meta{
  grid-column:1/-1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  padding-top:24px;
  border-top:1px solid var(--border);
}
.site-footer__meta a{
  font-size:13px;
  color:var(--gray);
  padding:4px 0;
  transition:color .2s ease;
}
.site-footer__meta a:hover{color:var(--red)}
.site-footer__meta span{color:var(--gray)}
.site-footer__bottom{
  max-width:1240px;
  margin:0 auto;
  padding:20px 28px 28px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--gray);
  font-family:var(--mono);
}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:28px;
  padding-right:28px;
}
.section{padding:64px 0}
.section-head{
  margin-bottom:32px;
  position:relative;
  padding-left:14px;
}
.section-head::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:4px;
  background:var(--red);
  clip-path:polygon(0 0,100% 0,70% 100%,0 100%);
}
.section-head__en{
  font-family:var(--mono);
  font-size:12px;
  color:var(--yellow);
  letter-spacing:0.2em;
  text-transform:uppercase;
}
.section-head h2{
  font-size:30px;
  font-weight:900;
  letter-spacing:0.02em;
  line-height:1.25;
}
.section-head p{
  color:var(--gray);
  font-size:14px;
  margin-top:6px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  background:var(--red);
  color:#fff;
  font-weight:700;
  font-size:14px;
  padding:12px 28px;
  border:1px solid var(--red);
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .1s ease;
}
.btn:hover{
  background:var(--red-deep);
  border-color:var(--red-deep);
}
.btn:active{transform:translateY(1px)}
.btn--ghost{
  background:transparent;
  border-color:var(--gray);
  color:var(--white);
}
.btn--ghost:hover{
  background:var(--glass);
  border-color:var(--white);
}
.btn--light{
  background:var(--yellow);
  border-color:var(--yellow);
  color:#000;
}
.btn--light:hover{
  background:#fff;
  border-color:#fff;
}
.btn--small{
  padding:8px 18px;
  font-size:13px;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13px;
  color:var(--gray);
  padding:16px 0;
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--yellow)}
.breadcrumb__sep{
  color:var(--red);
  font-family:var(--mono);
}
.breadcrumb [aria-current="page"]{color:var(--white)}

.grid-2,.grid-3{display:grid;gap:20px}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.glass-card{
  background:var(--glass);
  border:1px solid var(--border);
  padding:24px;
  position:relative;
  transition:border-color .25s ease,background .25s ease;
}
.glass-card::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:var(--red);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.glass-card:hover{
  border-color:rgba(255,255,255,0.22);
  background:rgba(255,255,255,0.1);
}
.glass-card:hover::after{transform:scaleX(1)}
.glass-card h3{
  font-size:18px;
  font-weight:800;
  margin-bottom:8px;
}
.glass-card p{
  font-size:14px;
  color:var(--gray);
}

.frame-view{
  position:relative;
  border:1px solid var(--border);
  background:var(--glass-2);
  padding:4px;
}
.frame-view::before,
.frame-view::after{
  content:"";
  position:absolute;
  width:26px;
  height:26px;
  pointer-events:none;
  border-color:var(--yellow);
  border-style:solid;
  border-width:0;
  z-index:2;
}
.frame-view::before{
  top:-1px;
  left:-1px;
  border-top-width:2px;
  border-left-width:2px;
}
.frame-view::after{
  bottom:-1px;
  right:-1px;
  border-bottom-width:2px;
  border-right-width:2px;
}
.frame-view__inner{
  min-height:240px;
  border:1px solid transparent;
  padding:20px;
  position:relative;
}
.frame-view__inner::before{
  content:attr(data-label);
  position:absolute;
  top:12px;
  right:16px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--gray);
  letter-spacing:0.12em;
}

.data-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:12px;
  background:var(--panel);
  color:var(--green);
  padding:4px 10px;
  border:1px solid rgba(0,245,160,0.3);
}
.data-tag::before{
  content:"";
  width:6px;
  height:6px;
  background:var(--green);
  border-radius:1px;
  transform:rotate(45deg);
}
.data-line{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,0.06);
  font-family:var(--mono);
  font-size:14px;
}
.data-line__label{
  color:var(--gray);
  font-size:12px;
}
.data-line__value{
  margin-left:auto;
  color:var(--white);
  font-weight:700;
}

.media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--panel) 0%,var(--bg) 100%);
  aspect-ratio:16/9;
  min-height:160px;
}
.media::before{
  content:"IMAGE";
  position:absolute;
  right:12px;
  bottom:12px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--gray);
  letter-spacing:0.3em;
  z-index:2;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,transparent 49.8%,rgba(230,255,61,0.22) 50%,transparent 50.2%),
    linear-gradient(transparent 49.8%,rgba(230,255,61,0.22) 50%,transparent 50.2%);
  pointer-events:none;
}
.media--portrait{aspect-ratio:3/4}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1}

.scroll-reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .5s ease,transform .5s ease;
}
.scroll-reveal[data-revealed]{
  opacity:1;
  transform:none;
}

html.nav-locked,
html.nav-locked body{
  overflow:hidden;
}

@media(min-width:1024px){
  body{padding-left:var(--rail-w)}
  .topbar__slogan{display:block}
}

@media(max-width:1023px){
  body{padding-left:0}
  .side-rail{
    width:280px;
    transform:translateX(-100%);
    box-shadow:20px 0 60px rgba(0,0,0,0.5);
  }
  .side-rail[data-open]{transform:translateX(0)}
  .nav-toggle{display:flex}
  .topbar__slogan{display:none}
  .site-footer__layout{
    grid-template-columns:1fr 1fr;
    padding:48px 20px 24px;
  }
  .site-footer__brand{grid-column:1/-1}
  .site-footer__bottom{
    padding:18px 20px 24px;
  }
}

@media(max-width:640px){
  .topbar{
    padding:0 16px;
    gap:12px;
  }
  .topbar__hot{display:none}
  .topbar__search{max-width:none}
  .section{padding:40px 0}
  .site-footer__layout{
    grid-template-columns:1fr;
    gap:32px;
  }
  .site-footer__brand{grid-column:auto}
  .site-footer__meta{
    align-items:flex-start;
    flex-direction:column;
    gap:6px;
  }
  .site-footer__meta span{display:none}
  .site-footer__bottom{
    flex-direction:column;
    text-align:center;
  }
  .breadcrumb{padding:12px 0}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    transition-duration:0.01ms !important;
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
  }
  .skip-link{transition:none}
  .scroll-reveal{
    opacity:1;
    transform:none;
    transition:none;
  }
  .side-rail,
  .nav-overlay{
    transition:none;
  }
}