/* ==========================================================================
   9博赛场 · 共享样式 /assets/site.css
   堆叠面板 + 侧边轨道：夜幕黑骨架，赛场绿锚点，等宽数据索引
   ========================================================================== */

/* --- reset --- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dt,dd,address,fieldset{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;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--neon);outline-offset:2px}

/* --- tokens --- */
:root{
  --ink:#0A0D0B;
  --panel:#141A16;
  --line:#2A332C;
  --white:#F2F5F0;
  --green:#12D46A;
  --neon:#E8FF3A;
  --blue:#2FA8FF;
  --orange:#FF6B3D;
  --muted:#8C968F;
  --mint:#DFF7E6;

  --rail-w:88px;
  --bar-h:48px;
  --shadow-hard:10px 10px 0 rgba(0,0,0,.60);
  --shadow-soft:6px 6px 0 rgba(0,0,0,.45);

  --font-sans:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,'Courier New',monospace;

  --ease:160ms ease-out;
}

/* --- base --- */
body{
  background:var(--ink);
  color:var(--white);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  min-height:100vh;
  overflow-x:hidden;
  padding-top:52px;
  padding-bottom:56px;
}
h1,h2,h3,h4{font-weight:900;letter-spacing:-0.02em;line-height:1.15}
h1{font-size:clamp(34px,6vw,72px)}
h2{font-size:clamp(26px,3.4vw,40px)}
h3{font-size:clamp(19px,2vw,26px)}
p{max-width:68ch}
strong{font-weight:900}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em}

@media (min-width:1024px){
  body{padding-top:var(--bar-h);padding-bottom:0;padding-left:var(--rail-w)}
}

/* --- layout helpers --- */
.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:20px}
.section{padding-block:48px}
.section--wide{width:100%}
.section--mid{max-width:68%}
.section--narrow{max-width:40%}
.stack{display:flex;flex-direction:column;gap:16px}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.rule{height:3px;background:var(--line);border:0;width:100%}

.grid{display:grid;gap:20px;grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

@media (min-width:1024px){
  .section{padding-block:72px}
  .container{padding-inline:32px}
}
@media (max-width:1023px){
  .section--mid,.section--narrow{max-width:100%}
  .grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-4,.col-6,.col-7,.col-8,.col-12{grid-column:span 6}
}
@media (max-width:639px){
  .grid{grid-template-columns:1fr}
  .col-4,.col-6,.col-7,.col-8,.col-12{grid-column:auto}
}

/* --- typography blocks --- */
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.7;color:var(--white);max-width:60ch}
.prose{max-width:68ch}
.prose p{margin-bottom:16px}
.prose h3{margin:28px 0 12px}
.prose ul,.prose ol{margin:0 0 16px}
.prose li{position:relative;padding-left:22px;margin-bottom:8px}
.prose li::before{content:"";position:absolute;left:0;top:10px;width:10px;height:10px;background:var(--green);transform:rotate(45deg)}
.eyebrow{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--green);text-transform:uppercase}
.section-num{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.1em;color:var(--neon);font-variant-numeric:tabular-nums}

/* --- panels --- */
.panel{position:relative;background:var(--panel);border:3px solid var(--line);box-shadow:var(--shadow-hard);padding:24px}
.panel--light{background:var(--mint);color:var(--ink);border-color:var(--ink)}
.panel--pop{background:var(--green);color:#04140B;border-color:var(--ink)}
.panel--slab{background:var(--ink);border-color:var(--green)}
.panel__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:3px solid var(--line);padding-bottom:12px;margin-bottom:18px}
.panel--light .panel__head,.panel--pop .panel__head{border-bottom-color:var(--ink)}

/* --- tags --- */
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;padding:3px 8px;border:2px solid var(--line);color:var(--muted);background:var(--ink);white-space:nowrap}
.tag--green{border-color:var(--green);color:var(--green)}
.tag--neon{border-color:var(--neon);color:var(--neon)}
.tag--blue{border-color:var(--blue);color:var(--blue)}
.tag--orange{border-color:var(--orange);color:var(--orange)}
.tag--solid{background:var(--green);border-color:var(--green);color:#04140B;font-weight:700}
.tag--live{background:var(--orange);border-color:var(--orange);color:#1A0A04;font-weight:700}

/* --- buttons --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:3px solid var(--green);background:var(--green);color:#04140B;
  font-family:var(--font-sans);font-weight:900;font-size:15px;line-height:1;letter-spacing:.02em;
  box-shadow:5px 5px 0 rgba(0,0,0,.55);
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,0,0,.6)}
.btn:active{transform:translate(1px,1px);box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--green);box-shadow:none}
.btn--ghost:hover{background:rgba(18,212,106,.14)}
.btn--ink{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn--neon{background:var(--neon);border-color:var(--neon);color:var(--ink)}
.btn--anchor{background:var(--green);border-color:var(--green);color:#04140B;padding:8px 14px;font-size:14px;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.btn--sm{padding:7px 12px;font-size:13px;box-shadow:3px 3px 0 rgba(0,0,0,.5)}

/* --- breadcrumb --- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb [aria-current="page"]{color:var(--white)}

/* --- data rows --- */
.data-list{border-top:3px solid var(--line);font-family:var(--font-mono);font-size:13px}
.data-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:2px solid var(--line)}
.data-row__k{color:var(--muted);letter-spacing:.06em}
.data-row__v{color:var(--white);font-weight:500;font-variant-numeric:tabular-nums}
.data-row__v--key{color:var(--neon)}
.data-row__v--alert{color:var(--orange)}

/* --- media shells --- */
.media{position:relative;display:block;overflow:hidden;border:3px solid var(--line);background:var(--panel);aspect-ratio:16/9}
.media > img,.media > picture > img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--cut{clip-path:polygon(0 0,100% 0,100% 86%,14% 100%,0 100%)}
.media--frame{box-shadow:var(--shadow-hard)}
.media__caption{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--muted);padding-top:10px}

/* --- ticker --- */
.ticker{overflow:hidden;background:var(--panel);border-block:3px solid var(--line)}
.ticker__track{display:flex;gap:32px;width:max-content;padding:12px 0;font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--muted);animation:ticker-scroll 40s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
@keyframes ticker-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* --- skip link --- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--neon);color:var(--ink);
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  transform:translateY(-180%);transition:transform var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* --- read progress --- */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:130;pointer-events:none}
.read-progress__bar{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--green) 0 72%,var(--neon) 72% 100%);transform:scaleX(0);transform-origin:0 50%}
@media (min-width:1024px){.read-progress{left:var(--rail-w)}}

/* --- header shell --- */
.site-header{position:relative;z-index:100}
.site-header::after{
  content:"";position:fixed;inset:0;z-index:105;
  background:rgba(4,6,5,.74);opacity:0;pointer-events:none;
  transition:opacity 200ms ease-out;
}

/* --- rail / nav --- */
.rail{
  position:fixed;top:0;left:0;bottom:0;z-index:112;
  width:min(320px,86vw);
  display:flex;flex-direction:column;gap:18px;
  padding:68px 20px 24px;
  background:var(--ink);border-right:3px solid var(--line);
  overflow-y:auto;
  transform:translateX(-102%);pointer-events:none;
  transition:transform 260ms ease-out;
}
.site-header[data-open] .rail{transform:translateX(0);pointer-events:auto}
@media (max-width:1023px){
  .site-header[data-open]::after{opacity:1;pointer-events:auto}
}
@media (min-width:1024px){
  .rail{
    width:var(--rail-w);padding:16px 0 18px;gap:12px;
    align-items:center;overflow:visible;
    transform:none;pointer-events:auto;
  }
}

.brand{display:flex;flex-direction:row;align-items:center;gap:12px;width:100%;padding-bottom:14px;border-bottom:3px solid var(--line);color:var(--white)}
.brand__badge{flex:0 0 auto;display:grid;place-items:center;width:46px;height:46px;background:var(--green);color:#03130A;font-family:var(--font-mono);font-size:22px;font-weight:700;line-height:1;clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%)}
.brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand__name{font-weight:900;font-size:17px;letter-spacing:.04em}
.brand__tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--muted)}
@media (min-width:1024px){
  .brand{flex-direction:column;gap:10px;padding:0 6px 14px}
  .brand__text{display:block;writing-mode:vertical-rl;font-size:13px;line-height:1;letter-spacing:.2em}
  .brand__name,.brand__tag{display:block}
  .brand__name{font-size:16px;letter-spacing:.24em}
  .brand__tag{margin:0 0 0 10px;font-size:10px;letter-spacing:.3em}
}

.site-nav{display:flex;flex-direction:column;gap:14px;flex:1;min-height:0}
.site-nav__eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.site-nav__list{display:flex;flex-direction:column;width:100%}
.site-nav__link{
  position:relative;display:flex;align-items:center;gap:14px;
  padding:14px 6px;border-bottom:3px solid var(--line);
  color:var(--white);font-weight:700;font-size:17px;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.site-nav__link:hover{color:var(--green)}
.site-nav__num{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--muted);font-variant-numeric:tabular-nums}
.site-nav__text{font-size:inherit}
.site-nav__link[aria-current="page"]{background:var(--green);color:var(--ink);border-bottom-color:var(--green)}
.site-nav__link[aria-current="page"] .site-nav__num{color:var(--ink)}

@media (min-width:1024px){
  .site-nav{flex:none;width:100%;align-items:center;gap:10px;overflow:visible}
  .site-nav__eyebrow{font-size:9px;letter-spacing:.16em;text-align:center}
  .site-nav__list{align-items:center;gap:6px}
  .site-nav__link{width:56px;height:44px;justify-content:center;gap:0;padding:0;border:3px solid transparent;color:var(--muted);font-size:13px;font-weight:500}
  .site-nav__num{font-size:13px;color:inherit}
  .site-nav__text{
    position:absolute;left:calc(100% + 12px);top:50%;display:block;
    transform:translate(-8px,-50%);
    padding:9px 14px;background:var(--ink);border:3px solid var(--green);color:var(--white);
    font-family:var(--font-sans);font-size:14px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
    opacity:0;pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
  }
  .site-nav__link:hover,.site-nav__link:focus-visible{color:var(--green);border-color:var(--line);background:var(--panel)}
  .site-nav__link:hover .site-nav__text,.site-nav__link:focus-visible .site-nav__text{opacity:1;transform:translate(0,-50%)}
  .site-nav__link[aria-current="page"]{background:var(--green);border-color:var(--green);color:var(--ink)}
  .site-nav__link[aria-current="page"] .site-nav__num{color:var(--ink)}
}

.site-nav__foot{display:flex;flex-direction:column;gap:12px;align-items:flex-start;margin-top:auto;padding-top:16px;border-top:3px solid var(--line)}
.rail-status{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
@media (min-width:1024px){
  .site-nav__foot{align-items:center;width:100%;gap:10px;padding-top:12px}
  .rail-status{writing-mode:vertical-rl;font-size:10px;letter-spacing:.14em;max-height:120px;overflow:hidden}
}

.to-top{
  display:grid;place-items:center;padding:12px;
  border:3px solid var(--line);background:transparent;color:var(--muted);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.to-top:hover{color:var(--ink);background:var(--green);border-color:var(--green)}
.site-nav__foot .to-top{width:100%}
@media (min-width:1024px){.site-nav__foot .to-top{width:46px;height:46px;padding:0;font-size:14px}}

/* --- header bar --- */
.header-bar{
  position:fixed;top:0;left:0;right:0;z-index:115;height:52px;
  display:flex;align-items:center;gap:14px;padding:0 16px;
  background:rgba(10,13,11,.94);
  border-bottom:3px solid var(--line);
  backdrop-filter:blur(8px);
}
@media (min-width:1024px){
  .header-bar{left:var(--rail-w);height:var(--bar-h);padding:0 28px;gap:20px}
}

.bar-brand{display:flex;align-items:center;gap:8px;flex:0 0 auto;color:var(--white);font-weight:900;font-size:15px;letter-spacing:.02em}
.bar-brand__badge{display:grid;place-items:center;width:28px;height:28px;background:var(--green);color:#03130A;font-family:var(--font-mono);font-size:15px;font-weight:700;line-height:1}
.bar-brand__name{white-space:nowrap}
@media (min-width:1024px){.bar-brand{display:none}}

.header-bar__strip{
  display:flex;align-items:center;gap:10px;flex:1;min-width:0;
  overflow:hidden;white-space:nowrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.header-bar__tag{color:var(--green);font-weight:700}
.header-bar__dot{flex:0 0 auto;width:7px;height:7px;background:var(--green);transform:rotate(45deg)}
@media (min-width:1024px){.header-bar__strip{font-size:12px}}

.header-bar__actions{display:none;align-items:center;gap:10px;flex:0 0 auto}
@media (min-width:1024px){.header-bar__actions{display:flex}}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;
  padding:7px 12px;border:3px solid var(--green);color:var(--green);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  transition:background-color var(--ease),color var(--ease);
}
.nav-toggle:hover{background:var(--green);color:var(--ink)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform var(--ease),opacity 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)}
.nav-toggle__label{white-space:nowrap}
@media (min-width:1024px){.nav-toggle{display:none}}

/* --- mobile dock cta --- */
.dock-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:95;height:56px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  background:var(--green);color:#04140B;border-top:3px solid var(--ink);
  font-weight:900;font-size:16px;letter-spacing:.04em;
  box-shadow:0 -6px 0 rgba(0,0,0,.35);
}
.dock-cta::after{content:"→";font-family:var(--font-mono);font-weight:700}
@media (min-width:1024px){.dock-cta{display:none}}

/* --- footer --- */
.site-footer{position:relative;margin-top:56px;background:var(--panel);border-top:3px solid var(--line);color:var(--white)}
.site-footer::before{
  content:"";position:absolute;top:-3px;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--green) 0 58%,var(--neon) 58% 78%,var(--blue) 78% 100%);
}
.footer-slab{display:grid;gap:28px;max-width:1280px;margin-inline:auto;padding:40px 20px;grid-template-columns:1fr}
@media (min-width:768px){.footer-slab{grid-template-columns:1.4fr 2fr 1.1fr;gap:32px;padding:52px 28px}}
@media (min-width:1024px){.footer-slab{padding-inline:32px}}

.footer-brand__mark{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:.02em;margin-bottom:14px}
.footer-brand__mark span{display:grid;place-items:center;width:34px;height:34px;background:var(--green);color:#03130A;font-family:var(--font-mono);font-size:17px;font-weight:700;line-height:1;clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%)}
.footer-summary{font-size:14px;line-height:1.8;color:var(--muted);max-width:44ch}

.footer-cols{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(116px,1fr))}
.footer-col__title{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--line)}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{display:inline-block;font-size:14px;color:var(--white);border-bottom:2px solid transparent;transition:color var(--ease),padding-left var(--ease),border-color var(--ease)}
.footer-list a:hover{color:var(--green);padding-left:6px;border-bottom-color:var(--green)}

.footer-contact{display:flex;flex-direction:column}
.footer-address{display:flex;flex-direction:column;gap:10px;font-style:normal}
.footer-address__row{display:flex;gap:10px;font-size:14px;line-height:1.6}
.footer-address__k{flex:0 0 auto;width:38px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--muted);padding-top:2px}
.footer-address__row > span:last-child{font-family:var(--font-mono);font-size:13px;color:var(--white);word-break:break-all}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  max-width:1280px;margin-inline:auto;
  padding:20px 20px 28px;border-top:3px solid var(--line);
}
@media (min-width:768px){.footer-base{padding:20px 28px 32px}}
@media (min-width:1024px){.footer-base{padding-inline:32px}}
.footer-legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--white);font-variant-numeric:tabular-nums}
.footer-note{font-size:12px;color:var(--muted)}
.to-top--footer{margin-left:auto;width:auto;padding:9px 16px;font-size:12px}

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