/* ==========================================================================
   杏彩体育 · stadium-xingcai.com.cn
   Shared site kit — tokens, reset, header frame, footer, base components
   ========================================================================== */

/* ---------- 1. tokens ---------- */
:root{
  --paper:#F7EFDF;
  --milk:#FFF9EE;
  --ink:#211A14;
  --forest:#0D3B2E;
  --forest-deep:#082A20;
  --apricot:#F26A2E;
  --cyan:#2EF2C8;
  --alert:#D83A1F;
  --wheat:#D8CEBC;
  --pitch:#5C8A5A;

  --rail-w:148px;
  --bar-h:68px;
  --bar-h-m:58px;
  --dock-h:68px;

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

  --line-ink:1px solid rgba(33,26,20,.18);
  --line-light:1px solid rgba(255,249,238,.22);
  --shadow-print:6px 6px 0 rgba(33,26,20,.09);
  --shadow-hard:3px 3px 0 var(--ink);
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0}
ul:not([class]),ol:not([class]){padding-left:1.4em}
img,svg,picture,video,canvas{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:var(--line-ink);margin:0}

/* ---------- 3. base ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  letter-spacing:.01em;
  background-color:var(--paper);
  background-image:repeating-linear-gradient(180deg,transparent 0 33px,rgba(33,26,20,.04) 33px 34px);
  padding-top:var(--bar-h-m);
  padding-bottom:var(--dock-h);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:300;
  line-height:1.14;
  letter-spacing:.06em;
  color:var(--ink);
}
h1{font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:.05em}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.12rem,2vw,1.5rem);font-weight:400;letter-spacing:.03em}
strong,b{font-weight:700}
small{font-size:13px}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em}

/* ---------- 4. focus / a11y ---------- */
:focus-visible{
  outline:2px solid var(--forest);
  outline-offset:2px;
  box-shadow:0 0 0 5px rgba(46,242,200,.55);
}
::selection{background:var(--apricot);color:var(--milk)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
#main-content{display:block;scroll-margin-top:calc(var(--bar-h-m) + 14px)}

/* ---------- 5. layout utilities ---------- */
.container{
  width:min(100% - 40px,1220px);
  margin-inline:auto;
}
.container--wide{width:min(100% - 32px,1420px)}
.section{padding-block:clamp(44px,7vw,96px)}
.section--ink{background:var(--forest);color:var(--milk)}
.section--ink h1,.section--ink h2,.section--ink h3{color:var(--milk)}
.section--tilt{
  clip-path:polygon(0 3.5vw,100% 0,100% 100%,0 100%);
  padding-top:calc(clamp(44px,7vw,96px) + 3.5vw);
}
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* ---------- 6. typographic components ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--pitch);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;background:currentColor;flex:0 0 auto;
}
.lede{
  font-size:clamp(15px,1.6vw,17.5px);
  line-height:1.85;
  max-width:34em;
  color:rgba(33,26,20,.84);
}
.section--ink .lede{color:rgba(255,249,238,.8)}
.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1;
}
.data-num--xl{
  font-size:clamp(3.2rem,11vw,7.5rem);
  color:var(--apricot);
  display:block;
}
.section--ink .data-num--xl{color:var(--cyan)}

/* ---------- 7. buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.09em;
  line-height:1.2;
  padding:11px 20px;
  border:1px solid var(--ink);
  border-radius:2px;
  background:var(--milk);
  color:var(--ink);
  text-decoration:none;
  cursor:pointer;
  box-shadow:var(--shadow-hard);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease;
}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink);background:var(--wheat)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn--primary{background:var(--apricot);color:var(--milk);border-color:var(--ink)}
.btn--primary:hover{background:var(--alert);color:var(--milk)}
.btn--ghost{background:transparent}
.btn--ghost:hover{background:rgba(33,26,20,.06)}
.btn--sm{padding:8px 14px;font-size:12.5px;letter-spacing:.08em}
.section--ink .btn{box-shadow:3px 3px 0 var(--cyan)}
.section--ink .btn:hover{box-shadow:4px 4px 0 var(--cyan)}

/* ---------- 8. tags / panels ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  padding:4px 9px;
  border:1px solid var(--ink);
  border-radius:1px;
  background:var(--wheat);
  color:var(--ink);
  white-space:nowrap;
}
.tag--cyan{background:var(--cyan);border-color:var(--forest);color:var(--forest-deep)}
.tag--apricot{background:var(--apricot);border-color:var(--ink);color:var(--milk)}

.panel{
  position:relative;
  background:var(--milk);
  border:1px solid var(--ink);
  box-shadow:var(--shadow-print);
  padding:clamp(18px,2.6vw,30px);
}
.panel--ink{background:var(--forest);color:var(--milk);border-color:var(--ink)}
.panel--ink h2,.panel--ink h3{color:var(--milk)}
.panel--slab{
  background:var(--wheat);
  box-shadow:10px 10px 0 rgba(33,26,20,.12);
}
.panel--slab::after{
  content:"";
  position:absolute;
  right:-1px;top:-1px;
  width:26px;height:26px;
  background:linear-gradient(225deg,var(--paper) 0 50%,var(--ink) 50% 100%);
}

/* ---------- 9. breadcrumb ---------- */
.breadcrumb{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(33,26,20,.6);
  margin-bottom:clamp(16px,2vw,26px);
}
.breadcrumb ol{
  list-style:none;display:flex;flex-wrap:wrap;gap:6px 0;margin:0;padding:0;
}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li::after{content:"/";margin:0 10px;color:var(--wheat)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a{
  color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--wheat);
  transition:color .16s ease,border-color .16s ease;
}
.breadcrumb a:hover{color:var(--apricot);border-bottom-color:var(--apricot)}
.breadcrumb [aria-current="page"]{color:rgba(33,26,20,.5)}

/* ---------- 10. image frames ---------- */
.frame{
  position:relative;
  overflow:hidden;
  background:var(--forest);
  border:1px solid var(--ink);
  aspect-ratio:16/10;
}
.frame img,.frame picture{display:block;width:100%;height:100%;object-fit:cover}
.frame--wide{aspect-ratio:16/9}
.frame--band{aspect-ratio:21/9}
.frame--square{aspect-ratio:1/1}
.frame--portrait{aspect-ratio:4/5}
.frame__overlay{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(13,59,46,0) 42%,rgba(13,59,46,.78) 100%);
}
.frame--data::before{
  content:"";
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    linear-gradient(rgba(46,242,200,.18) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,242,200,.18) 1px,transparent 1px);
  background-size:100% 30px,30px 100%;
  mix-blend-mode:screen;
  opacity:.7;
}
.frame__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  margin:0;padding:12px 14px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.12em;
  color:var(--milk);
}

/* ==========================================================================
   HEADER FRAME
   ========================================================================== */
.site-header{position:relative;z-index:60}

/* skip link */
.skip-link{
  position:fixed;
  top:-140px;left:14px;
  z-index:95;
  padding:11px 20px;
  background:var(--apricot);
  color:var(--milk);
  font-weight:700;
  font-size:14px;
  letter-spacing:.08em;
  text-decoration:none;
  border:2px solid var(--ink);
  border-radius:2px;
  box-shadow:var(--shadow-hard);
  transition:top .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{top:14px}

/* scroll meter */
.scroll-meter{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  z-index:75;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
  box-shadow:0 0 10px rgba(46,242,200,.6);
}

/* ---------- left rail (desktop only) ---------- */
.rail{display:none}

/* ---------- navigation ---------- */
.site-nav{padding:0}
.nav-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.nav-list__item{display:block}
.nav-link{
  display:flex;
  align-items:baseline;
  gap:9px;
  padding:11px 14px 11px 16px;
  text-decoration:none;
  color:rgba(255,249,238,.82);
  font-size:13px;
  line-height:1.4;
  letter-spacing:.06em;
  border-left:3px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.nav-link__idx{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.12em;
  color:rgba(46,242,200,.6);
  flex:0 0 auto;
  transition:color .16s ease;
}
.nav-link__label{display:block}
.nav-link:hover{
  color:var(--milk);
  background:rgba(247,239,223,.09);
  border-left-color:var(--apricot);
}
.nav-link:hover .nav-link__idx{color:var(--apricot)}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px;box-shadow:none}
.nav-link[aria-current="page"]{
  color:var(--milk);
  font-weight:600;
  background:rgba(242,106,46,.18);
  border-left-color:var(--apricot);
}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--apricot)}

/* ---------- top bar ---------- */
.bar{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--bar-h-m);
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 16px;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
  z-index:58;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:9px;
  text-decoration:none;
  color:var(--ink);
  min-width:0;
}
.brand__cn{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:700;
  letter-spacing:.2em;
  white-space:nowrap;
}
.brand__en{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.18em;
  color:var(--pitch);
  white-space:nowrap;
}
.brand__suffix{
  display:none;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(33,26,20,.62);
  padding-left:16px;
  border-left:1px solid var(--wheat);
  white-space:nowrap;
}
.status-chip{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:5px 11px;
  background:var(--milk);
  border:1px solid var(--wheat);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--forest);
  white-space:nowrap;
}
.status-chip__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--apricot);
  box-shadow:0 0 0 3px rgba(242,106,46,.2);
  flex:0 0 auto;
  animation:pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot{
  0%,100%{box-shadow:0 0 0 3px rgba(242,106,46,.2)}
  50%{box-shadow:0 0 0 6px rgba(242,106,46,.06)}
}
.bar__cta{display:none}

/* ---------- mobile dock ---------- */
.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  height:var(--dock-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 14px;
  background:var(--forest);
  color:var(--milk);
  border-top:2px solid var(--ink);
  z-index:64;
}
.dock__status{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:rgba(255,249,238,.78);
  margin:0;
  min-width:0;
}
.dock__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(46,242,200,.16);
  flex:0 0 auto;
}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  background:var(--apricot);
  color:var(--milk);
  border:1px solid var(--ink);
  border-radius:2px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  cursor:pointer;
  flex:0 0 auto;
  transition:background-color .16s ease;
}
.nav-toggle:hover{background:var(--alert)}
.nav-toggle__bars{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:3px;
  width:16px;
  height:14px;
}
.nav-toggle__bars span{
  display:block;
  height:2px;
  width:100%;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- mobile nav panel ---------- */
@media (max-width:1023px){
  .site-nav{
    position:fixed;
    left:0;right:0;
    bottom:var(--dock-h);
    z-index:63;
    background:var(--forest);
    border-top:3px solid var(--apricot);
    padding:12px 0 16px;
    max-height:min(70vh,520px);
    overflow-y:auto;
    overscroll-behavior:contain;
    transform:translateY(110%);
    visibility:hidden;
    pointer-events:none;
    transition:transform .26s ease,visibility .26s ease;
    box-shadow:0 -12px 30px rgba(13,59,46,.32);
  }
  .site-header[data-open="true"] .site-nav{
    transform:translateY(0);
    visibility:visible;
    pointer-events:auto;
  }
  .nav-list{grid-template-columns:1fr 1fr;gap:4px;padding:0 10px}
  .nav-link{
    font-size:14.5px;
    padding:14px 12px;
    border-left-width:2px;
    line-height:1.35;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  position:relative;
  background:var(--forest);
  color:var(--milk);
  border-top:4px solid var(--apricot);
  padding:clamp(36px,6vw,68px) 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:rgba(46,242,200,.55);
}
.footer-frame{
  width:min(100% - 40px,1180px);
  margin-inline:auto;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px 44px;
  padding-bottom:26px;
  border-bottom:var(--line-light);
}
.footer-brand__cn{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(1.9rem,4.4vw,2.9rem);
  line-height:1.08;
  letter-spacing:.16em;
  color:var(--milk);
}
.footer-brand__tag{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.24em;
  color:var(--cyan);
}
.footer-note{
  max-width:26em;
  font-size:13px;
  line-height:1.8;
  color:rgba(255,249,238,.64);
  margin:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:30px 44px;
  padding:34px 0;
}
.footer-col__title{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--apricot);
  margin:0 0 14px;
  padding-bottom:9px;
  border-bottom:1px solid rgba(242,106,46,.32);
}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-contact li{display:flex;gap:12px;align-items:baseline;font-size:14px}
.footer-label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:rgba(46,242,200,.72);
  min-width:40px;
  flex:0 0 auto;
}
.footer-value{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--milk);
  word-break:break-word;
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-list a{
  font-size:14px;
  color:rgba(255,249,238,.84);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
  display:inline-block;
}
.footer-list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.footer-list a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;box-shadow:none}
.footer-icp{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:rgba(255,249,238,.6);
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 28px;
  padding:18px 0 26px;
  border-top:var(--line-light);
}
.footer-copy{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:rgba(255,249,238,.58);
  margin:0;
}

/* ==========================================================================
   BREAKPOINTS
   ========================================================================== */
@media (min-width:600px){
  .status-chip{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (min-width:760px){
  .brand__suffix{display:none}
}

@media (min-width:1024px){
  body{
    padding-top:var(--bar-h);
    padding-bottom:0;
    padding-left:var(--rail-w);
  }
  #main-content{scroll-margin-top:calc(var(--bar-h) + 14px)}

  /* left rail */
  .rail{
    display:block;
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--rail-w);
    background:var(--forest);
    border-right:1px solid rgba(247,239,223,.14);
    z-index:60;
    padding:22px 0 0;
  }
  .rail__mark{
    display:block;
    padding:0 16px;
    text-decoration:none;
    color:inherit;
  }
  .rail__mark-cn{
    display:block;
    font-family:var(--font-display);
    font-weight:700;
    font-size:26px;
    line-height:1.1;
    letter-spacing:.16em;
    color:var(--milk);
  }
  .rail__mark-sub{
    display:block;
    margin-top:7px;
    font-family:var(--font-mono);
    font-size:10px;
    letter-spacing:.32em;
    color:var(--cyan);
  }
  .rail__rule{
    display:block;
    width:26px;height:2px;
    margin:18px 16px 0;
    background:var(--apricot);
  }
  .rail__meta{
    position:absolute;
    left:16px;bottom:26px;
    font-family:var(--font-mono);
    font-size:9.5px;
    line-height:1.9;
    letter-spacing:.2em;
    color:rgba(255,249,238,.42);
  }

  /* nav inside rail */
  .site-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--rail-w);
    padding:152px 0 110px;
    z-index:62;
    overflow-y:auto;
    overscroll-behavior:contain;
    scrollbar-width:none;
  }
  .site-nav::-webkit-scrollbar{width:0;height:0}
  .nav-list{grid-template-columns:1fr;gap:1px}
  .nav-link{
    font-size:12.8px;
    padding:10px 12px 10px 16px;
    letter-spacing:.04em;
  }
  .nav-link__idx{font-size:9.5px}

  /* top bar */
  .bar{
    left:var(--rail-w);
    height:var(--bar-h);
    padding:0 30px;
    gap:24px;
  }
  .brand__cn{font-size:19px}
  .brand__en{display:inline-block}
  .brand__suffix{display:block}
  .status-chip{margin-left:auto}
  .bar__cta{display:inline-flex}
  .dock{display:none}

  /* meter hugs the bar baseline */
  .scroll-meter{top:calc(var(--bar-h) - 3px);left:0}

  /* footer */
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:34px 52px}
  .footer-base{padding-bottom:30px}
}

@media (min-width:1280px){
  :root{--rail-w:164px}
  .nav-link{font-size:13.2px}
}

@media (max-width:1023px){
  .site-footer{padding-bottom:calc(var(--dock-h) + 24px)}
}

@media (max-width:400px){
  .dock__status{font-size:9.5px;letter-spacing:.02em}
  .nav-list{grid-template-columns:1fr}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .scroll-meter{box-shadow:none}
}