/* ============================================================
   云体育赛事 / shared kit
   01 tokens · 02 reset · 03 typography · 04 a11y
   05 header · 06 footer · 07 layout · 08 components
   09 media containers · 10 motion · 11 responsive
   ============================================================ */

/* 01 tokens */
:root{
  --cloud:#F7F8FA;
  --cream:#FBF6EC;
  --ink:#1E1B18;
  --ink-soft:#4B4640;
  --ink-mute:#6B6660;
  --blue:#1F4BFF;
  --deep:#0B1F6B;
  --green:#0F9D6B;
  --amber:#F08A24;
  --red:#D2402C;
  --haze:#C9D3E6;
  --glow:#E6ECFF;

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

  --shell:1180px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-xl:38px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --line:rgba(30,27,24,.1);
  --line-strong:rgba(30,27,24,.16);
  --shadow-card:0 26px 54px -42px rgba(11,31,107,.65);
}

/* 02 reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--cloud);
  background-image:
    radial-gradient(1100px 520px at 84% -8%,rgba(31,75,255,.10),rgba(31,75,255,0) 70%),
    radial-gradient(760px 380px at 2% 4%,rgba(240,138,36,.09),rgba(240,138,36,0) 72%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
[id]{scroll-margin-top:104px}

/* 03 typography */
h1,h2,h3,h4{
  margin:0 0 .5em;
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.12;
  color:var(--ink);
}
h1{font-size:clamp(2.3rem,6.4vw,4.4rem);line-height:1.04}
h2{font-size:clamp(1.55rem,3.4vw,2.4rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.35rem);line-height:1.3}
h4{font-size:1.02rem;line-height:1.4}
strong,b{font-weight:800}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
.mono,.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.data-num{font-size:1.5em;font-weight:700;letter-spacing:-.01em}
.muted{color:var(--ink-mute)}

/* 04 a11y */
a:focus-visible,button:focus-visible,[tabindex]:focus-visible,summary:focus-visible{
  outline:3px solid var(--blue);
  outline-offset:3px;
  border-radius:6px;
}
.site-footer a:focus-visible{outline-color:var(--amber)}
.skip-link{
  position:fixed;
  top:10px;
  left:12px;
  z-index:300;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:var(--blue);
  color:#fff;
  font-size:.9rem;
  font-weight:700;
  box-shadow:0 16px 30px -18px rgba(31,75,255,.9);
  transform:translateY(-180%);
  transition:transform .24s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);text-decoration:none}

/* 05 header */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px clamp(10px,3vw,24px) 0;
}
.progress-rail{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:rgba(201,211,230,.45);
  z-index:140;
  pointer-events:none;
}
.progress-bar{
  display:block;
  width:100%;
  height:100%;
  background:linear-gradient(90deg,var(--blue) 0%,var(--deep) 55%,var(--amber) 100%);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .12s linear;
}
.header-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(8px,1.4vw,20px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:9px 12px 9px 16px;
  background:rgba(251,252,255,.9);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 20px 44px -30px rgba(11,31,107,.62),inset 0 1px 0 rgba(255,255,255,.9);
  backdrop-filter:blur(16px) saturate(1.12);
  -webkit-backdrop-filter:blur(16px) saturate(1.12);
  transition:padding .26s var(--ease),box-shadow .26s var(--ease),border-radius .26s var(--ease);
}
.site-header.is-condensed .header-shell{
  padding-top:5px;
  padding-bottom:5px;
  border-color:rgba(31,75,255,.2);
  box-shadow:0 14px 30px -24px rgba(11,31,107,.7),inset 0 1px 0 rgba(255,255,255,.9);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{text-decoration:none}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:14px;
  background:linear-gradient(150deg,var(--blue),var(--deep));
  color:#fff;
  font-family:var(--font-display);
  font-size:1.04rem;
  font-weight:800;
  line-height:1;
  box-shadow:0 10px 18px -12px rgba(31,75,255,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-family:var(--font-display);
  font-size:1.02rem;
  font-weight:800;
  letter-spacing:-.01em;
}
.brand-tagline{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.12em;
  color:var(--ink-mute);
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--deep);
  font-family:var(--font-body);
  font-size:.85rem;
  font-weight:700;
  cursor:pointer;
}
.nav-toggle-bars{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:16px}
.nav-toggle-bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.site-header[data-open] .nav-toggle-bars span:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars span:last-child{transform:translateY(-3px) rotate(-45deg)}
.nav-toggle-text{letter-spacing:.02em}
.primary-nav{margin-inline:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:8px 13px;
  border-radius:var(--r-pill);
  color:var(--ink-soft);
  font-size:.94rem;
  font-weight:600;
  white-space:nowrap;
  text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-link:hover{background:var(--glow);color:var(--deep);text-decoration:none}
.nav-link[aria-current="page"]{
  background:var(--blue);
  color:#fff;
  box-shadow:0 10px 20px -14px rgba(31,75,255,1);
}
.nav-link[aria-current="page"]:hover{background:var(--deep);color:#fff}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:.9rem;
  font-weight:700;
  white-space:nowrap;
  text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.pill:hover{text-decoration:none;transform:translateY(-1px)}
.pill-solid{
  background:var(--blue);
  color:#fff;
  box-shadow:0 12px 22px -16px rgba(31,75,255,.95);
}
.pill-solid:hover{background:var(--deep);color:#fff}
.pill-ghost{
  background:var(--glow);
  color:var(--deep);
  border:1px solid rgba(31,75,255,.22);
}
.pill-ghost:hover{background:#fff;border-color:var(--blue)}
.pill-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(15,157,107,.18);
}
.pill-count{
  font-family:var(--font-mono);
  font-size:.74rem;
  line-height:1;
  padding:3px 7px;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--deep);
}

/* 06 footer */
.site-footer{margin-top:clamp(48px,8vw,96px)}
.footer-top{
  position:relative;
  overflow:hidden;
  padding:clamp(32px,5vw,60px) 0 clamp(28px,4vw,44px);
  background:var(--deep);
  color:#E6ECFF;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.footer-top::before{
  content:"";
  position:absolute;
  inset:-30% -12% auto auto;
  width:56%;
  height:130%;
  background:radial-gradient(circle at 68% 34%,rgba(31,75,255,.55),rgba(31,75,255,0) 66%);
  pointer-events:none;
}
.footer-top::after{
  content:"";
  position:absolute;
  left:-8%;
  bottom:-52%;
  width:52%;
  height:96%;
  background:radial-gradient(circle at 40% 60%,rgba(240,138,36,.22),rgba(240,138,36,0) 68%);
  pointer-events:none;
}
.footer-top > .shell{position:relative;z-index:1}
.footer-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 28px;
  padding-bottom:clamp(20px,3vw,30px);
  border-bottom:1px solid rgba(230,236,255,.18);
}
.footer-brand-line{
  margin:0;
  max-width:24ch;
  font-family:var(--font-display);
  font-size:clamp(1.12rem,2.4vw,1.6rem);
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
  color:#fff;
}
.footer-mono{
  margin:0;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(230,236,255,.58);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(24px,3vw,36px) clamp(18px,2.4vw,28px);
  padding-top:clamp(24px,4vw,40px);
}
.footer-col{min-width:0}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--amber);
}
.footer-links{display:flex;flex-direction:column;gap:9px;list-style:none}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:#D6DEF7;
  font-size:.94rem;
  text-decoration:none;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link::before{
  content:"";
  width:5px;
  height:5px;
  flex:0 0 auto;
  border-radius:50%;
  background:rgba(230,236,255,.34);
  transition:background .2s var(--ease);
}
.footer-link:hover{color:#fff;text-decoration:none;transform:translateX(2px)}
.footer-link:hover::before{background:var(--amber)}
.footer-contact{
  display:grid;
  gap:12px;
  margin:0;
  font-style:normal;
}
.contact-row{display:grid;gap:3px;min-width:0}
.contact-label{
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(230,236,255,.55);
}
.contact-value{
  color:#EAF0FF;
  font-size:.94rem;
  line-height:1.6;
  overflow-wrap:anywhere;
}
.contact-value--mono{font-family:var(--font-mono);letter-spacing:.03em}
.footer-contact-note{
  margin:0;
  font-size:.8rem;
  line-height:1.65;
  color:rgba(230,236,255,.66);
}
.footer-bottom{
  padding:18px 0;
  background:var(--cream);
  border-top:1px solid var(--line);
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
}
.footer-legal{
  margin:0;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--ink-soft);
}
.footer-copy{margin:0;font-size:.8rem;color:var(--ink-mute)}

/* 07 layout */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,32px);
}
.section{position:relative;padding-block:clamp(44px,7vw,84px)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px 28px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin:0;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--blue);
}
.section-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--amber);
}
.section-title{margin:0;max-width:30ch}
.section-note{
  margin:0;
  max-width:40ch;
  font-size:.95rem;
  line-height:1.75;
  color:var(--ink-mute);
}
.lede{
  max-width:40ch;
  font-size:clamp(1.02rem,1.5vw,1.16rem);
  line-height:1.85;
  color:var(--ink-soft);
}
.layout-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,304px);
  gap:clamp(22px,3vw,44px);
  align-items:start;
}
.aside-note{
  padding:18px 20px;
  border-radius:var(--r-md);
  background:var(--cream);
  border:1px solid var(--line);
  font-size:.9rem;
  line-height:1.75;
  color:var(--ink-soft);
}
.grid-auto{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:clamp(16px,2.4vw,24px);
}

/* 08 components */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0 0 clamp(16px,2.4vw,24px);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-mute);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid transparent}
.breadcrumbs a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.crumb-sep{color:var(--haze)}
.breadcrumbs [aria-current="page"]{color:var(--deep);font-weight:700}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-body);
  font-size:.97rem;
  font-weight:700;
  line-height:1;
  text-align:center;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 18px 32px -24px rgba(31,75,255,1)}
.btn--primary:hover{background:var(--deep);color:#fff}
.btn--ghost{background:#fff;color:var(--deep);border-color:rgba(31,75,255,.28)}
.btn--ghost:hover{border-color:var(--blue);box-shadow:0 16px 30px -26px rgba(31,75,255,.9)}
.btn--quiet{background:var(--cream);color:var(--ink);border-color:var(--line-strong)}
.btn--quiet:hover{background:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(18px,2.6vw,28px);
  box-shadow:var(--shadow-card);
}
.card--cream{background:var(--cream)}
.card--glow{background:var(--glow);border-color:rgba(31,75,255,.18)}
.card--cut{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%);
}
.panel{
  position:relative;
  overflow:hidden;
  padding:clamp(20px,3vw,34px);
  border-radius:var(--r-lg);
  background:var(--deep);
  color:#E9EEFF;
}
.panel h2,.panel h3{color:#fff}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--blue{background:rgba(31,75,255,.12);color:var(--deep)}
.tag--green{background:rgba(15,157,107,.14);color:#0A6B49}
.tag--amber{background:rgba(240,138,36,.16);color:#9C5209}
.tag--red{background:rgba(210,64,44,.14);color:#A32A19}

.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:.86rem;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--blue);color:var(--deep)}
.chip[aria-pressed="true"],.chip.is-active{
  background:var(--blue);
  border-color:var(--blue);
  color:#fff;
}

.legend{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-mute);
}
.legend-item{display:inline-flex;align-items:center;gap:7px}
.swatch{display:inline-block;width:10px;height:10px;border-radius:3px;flex:0 0 auto}
.swatch--blue{background:var(--blue)}
.swatch--green{background:var(--green)}
.swatch--amber{background:var(--amber)}
.swatch--red{background:var(--red)}
.swatch--haze{background:var(--haze)}

.table-frame{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
}
.data-table{width:100%;border-collapse:collapse;font-size:.92rem}
.data-table th{
  padding:12px 14px;
  background:var(--glow);
  font-family:var(--font-mono);
  font-size:.66rem;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  text-align:left;
  color:var(--ink-mute);
  white-space:nowrap;
}
.data-table td{padding:12px 14px;border-top:1px solid rgba(30,27,24,.08)}
.data-table tbody tr:nth-child(even) td{background:rgba(201,211,230,.16)}
.data-table .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  text-align:right;
  white-space:nowrap;
}

/* 09 media containers */
.media-frame{
  position:relative;
  overflow:hidden;
  margin:0;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:
    linear-gradient(140deg,var(--glow) 0%,#fff 52%,var(--cream) 100%);
}
.media-frame > img,
.media-frame > picture,
.media-frame > picture > img,
.media-frame > video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--cut{
  clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 32px));
  border-radius:var(--r-lg) var(--r-lg) 0 var(--r-lg);
}

/* 10 motion */
[data-reveal]{transition:opacity .36s var(--ease),transform .36s var(--ease)}
html.js-reveal [data-reveal]{opacity:0;transform:translateY(12px)}
html.js-reveal [data-reveal].is-visible{opacity:1;transform:none}

/* 11 responsive */
@media (max-width:1180px){
  .nav-link{padding:8px 10px;font-size:.9rem}
}
@media (max-width:1000px){
  .site-header{padding-top:10px}
  .header-shell{flex-wrap:wrap;padding:9px 10px 9px 14px;border-radius:24px}
  .site-header[data-open] .header-shell{border-radius:24px;background:rgba(251,252,255,.97)}
  .brand{margin-right:auto}
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .primary-nav{
    order:3;
    display:none;
    flex:1 0 100%;
    margin:8px 0 0;
    padding-top:8px;
    border-top:1px dashed rgba(30,27,24,.16);
  }
  .site-header[data-open] .primary-nav{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:11px 14px;border-radius:16px;font-size:1rem}
  .header-actions{
    order:4;
    display:none;
    flex:1 0 100%;
    flex-wrap:wrap;
    gap:8px;
    margin-top:10px;
    padding-top:10px;
    border-top:1px dashed rgba(30,27,24,.16);
  }
  .site-header[data-open] .header-actions{display:flex}
  .pill{flex:1 1 auto;justify-content:center}
  .layout-split{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  body{font-size:16px;line-height:1.8}
  .footer-top{border-radius:28px 28px 0 0}
  .footer-head{align-items:flex-start}
  .footer-bottom-inner{justify-content:flex-start}
}
@media (max-width:520px){
  .brand-tagline{display:none}
  .brand-mark{width:34px;height:34px;border-radius:12px;font-size:.95rem}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js-reveal [data-reveal]{opacity:1;transform:none}
  .progress-bar{transition:none}
}