/* ==========================================================================
   6688体育赛场 · 共享样式表 /assets/site.css
   母题：夜场转播控制室 · 堆叠面板 · 命令栏 · 比分牌
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4,h5,h6{font-weight:inherit;font-size:inherit}

/* ---------- 2. Tokens ---------- */
:root{
  --ink:#0B0F0E;
  --deep:#0E2A22;
  --panel:#123B30;
  --line:#2A4A41;
  --line-soft:rgba(42,74,65,.62);
  --flare:#FF5A1F;
  --flare-soft:#FF7A45;
  --cyan:#2BD9D0;
  --cyan-soft:#7DEBE4;
  --text:#F2F7F4;
  --muted:#A9BDB5;
  --warn:#FFC857;
  --white:#FFFFFF;

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

  --max:1360px;
  --gutter:48px;
  --header-h:60px;
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  color-scheme:dark;
}

@media (max-width:1100px){:root{--gutter:32px}}
@media (max-width:680px){:root{--gutter:20px;--header-h:54px}}

/* ---------- 3. Base / 中文排版 ---------- */
body{
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(42,74,65,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,74,65,.12) 1px,transparent 1px);
  background-size:96px 96px,96px 96px;
  background-position:center top;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
}
@media (max-width:680px){body{font-size:15px}}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.14;letter-spacing:-.01em;color:var(--text)}

p{max-width:70ch}
strong{font-weight:700;color:var(--white)}

::selection{background:var(--flare);color:var(--ink)}

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

#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ---------- 4. Layout ---------- */
.container{
  width:100%;
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(56px,8vw,120px)}
.section--tight{padding-block:clamp(36px,5vw,64px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 32px;margin-bottom:clamp(24px,3vw,40px);
}
.split{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,64px);align-items:start}
.split--rev{grid-template-columns:7fr 5fr}
.split-wide{grid-template-columns:4fr 8fr}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(16px,2vw,24px)}
@media (max-width:900px){
  .split,.split--rev,.split-wide{grid-template-columns:1fr;gap:clamp(20px,4vw,36px)}
}

/* ---------- 5. Typography components ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";display:block;width:20px;height:1px;background:var(--cyan);opacity:.8}

.section-title{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(28px,3.6vw,44px);line-height:1.1;letter-spacing:-.015em;color:var(--text);
}
.lede{
  font-size:clamp(15px,1.2vw,18px);line-height:1.8;color:var(--muted);max-width:64ch;
}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.rule{display:block;height:1px;background:var(--line-soft);border:0;margin-block:clamp(24px,3vw,40px)}

/* ---------- 6. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius);border:1px solid transparent;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.02em;
  line-height:1.2;text-align:center;cursor:pointer;
  transition:background-color .16s var(--ease),color .16s var(--ease),
             border-color .16s var(--ease),transform .16s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--flare);border-color:var(--flare);color:var(--ink)}
.btn-primary:hover{background:var(--flare-soft);border-color:var(--flare-soft)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-soft)}
.btn-quiet{background:rgba(43,217,208,.1);border-color:rgba(43,217,208,.36);color:var(--cyan-soft)}
.btn-quiet:hover{background:rgba(43,217,208,.18);border-color:var(--cyan)}

/* ---------- 7. Tags & chips ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  line-height:1.5;white-space:nowrap;
}
.tag--cyan{color:var(--cyan);border-color:rgba(43,217,208,.42);background:rgba(43,217,208,.09)}
.tag--flare{color:var(--flare-soft);border-color:rgba(255,90,31,.42);background:rgba(255,90,31,.1)}
.tag--warn{color:var(--warn);border-color:rgba(255,200,87,.42);background:rgba(255,200,87,.08)}

.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:transparent;color:var(--muted);
  font-size:13px;font-weight:600;letter-spacing:.04em;line-height:1.5;
  cursor:pointer;
  transition:color .16s var(--ease),border-color .16s var(--ease),
             background-color .16s var(--ease),transform .16s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--cyan)}
.chip:active{transform:translateY(1px)}
.chip[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.chip-count{font-family:var(--font-mono);font-size:11px;font-weight:800;letter-spacing:0;opacity:.8}

/* ---------- 8. Panels ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(20px,2.4vw,32px);
}
.panel-title{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(18px,1.8vw,24px);line-height:1.2;letter-spacing:-.005em;color:var(--text);
}
.panel-grid{
  background-image:
    linear-gradient(rgba(42,74,65,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,74,65,.5) 1px,transparent 1px),
    linear-gradient(180deg,var(--panel),var(--deep));
  background-size:32px 32px,32px 32px,100% 100%;
  background-position:0 0,0 0,0 0;
}

/* ---------- 9. Stat 比分牌数据 ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{
  font-family:var(--font-mono);font-weight:800;
  font-size:clamp(28px,3.4vw,44px);line-height:1;letter-spacing:-.02em;
  color:var(--flare);font-variant-numeric:tabular-nums;
}
.stat-label{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}

/* ---------- 10. Media frame（可复用响应式图片容器） ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background-color:var(--deep);
  background-image:repeating-linear-gradient(135deg,rgba(43,217,208,.1) 0 1px,transparent 1px 11px);
  aspect-ratio:var(--ratio,16 / 9);
  width: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 > picture{display:block}
.media-frame figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 14px;font-size:12px;letter-spacing:.04em;color:var(--muted);
  background:linear-gradient(180deg,transparent,rgba(11,15,14,.9));
}
.media-frame--square{--ratio:1 / 1}
.media-frame--portrait{--ratio:3 / 4}
.media-frame--tall{--ratio:4 / 5}
.media-frame--wide{--ratio:21 / 9}

/* ---------- 11. Data table ---------- */
.data-table{
  width:100%;border:1px solid var(--line);border-radius:var(--radius);
  font-size:14px;overflow:hidden;
}
.data-table caption{
  caption-side:top;text-align:left;padding:0 0 12px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
}
.data-table th,.data-table td{
  padding:12px 14px;text-align:left;vertical-align:middle;
  border-bottom:1px solid var(--line-soft);
}
.data-table thead th{
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
  background:rgba(43,217,208,.07);white-space:nowrap;
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:rgba(43,217,208,.055)}
.data-table .num{font-family:var(--font-mono);font-weight:800;color:var(--flare);font-variant-numeric:tabular-nums}

/* ---------- 12. Breadcrumb & prose ---------- */
.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);
}
.breadcrumb a{transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--cyan-soft)}
.breadcrumb-sep{color:var(--line);font-weight:700}
.breadcrumb [aria-current="page"]{color:var(--text)}

.prose{max-width:74ch;color:var(--muted);line-height:1.85}
.prose > * + *{margin-top:1.05em}
.prose h2,.prose h3{color:var(--text)}
.prose h2{font-size:clamp(22px,2.2vw,30px);margin-top:2em}
.prose h3{font-size:clamp(18px,1.6vw,22px);margin-top:1.6em}
.prose strong{color:var(--white)}
.prose ul{list-style:none;padding-left:0}
.prose ul > li{position:relative;padding-left:18px}
.prose ul > li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--cyan)}
.prose a{color:var(--cyan-soft);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(43,217,208,.45)}

/* ---------- 13. Reveal / spy / motion ---------- */
html.js [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

[data-spy-link]{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;color:var(--muted);font-size:13px;letter-spacing:.02em;
  border-left:2px solid transparent;padding-left:12px;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
[data-spy-link]:hover{color:var(--text)}
[data-spy-link].is-active,
[data-spy-link][aria-current="true"]{color:var(--cyan-soft);border-left-color:var(--cyan)}

/* ---------- 14. Header ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  padding:10px 16px;border-radius:var(--radius);
  background:var(--flare);color:var(--ink);
  font-size:14px;font-weight:800;letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(9,20,17,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  backdrop-filter:blur(14px) saturate(1.1);
}
.header-inner{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:flex;align-items:center;
  gap:clamp(8px,1.4vw,22px);
}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.brand-mark{
  font-family:var(--font-mono);font-weight:800;font-size:15px;letter-spacing:.02em;
  line-height:1;color:var(--ink);background:var(--flare);
  padding:6px 8px;border-radius:var(--radius);
  box-shadow:inset 0 0 0 1px rgba(11,15,14,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;min-width:0}
.brand-name{
  font-family:var(--font-display);font-weight:800;font-size:16px;
  letter-spacing:.03em;color:var(--text);white-space:nowrap;
}
.brand-tag{
  display:none;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted);white-space:nowrap;
}
@media (min-width:1200px){.brand-tag{display:block}}

.site-nav{margin-right:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{flex:0 0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 10px;border-radius:var(--radius);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--muted);
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav-index{
  font-family:var(--font-mono);font-size:10px;font-weight:800;
  letter-spacing:0;color:var(--cyan);opacity:.55;
}
.nav-label{display:inline-block}
.nav-link:hover{color:var(--text);background:rgba(43,217,208,.08)}
.nav-link[aria-current="page"]{color:var(--text);background:rgba(43,217,208,.11)}
.nav-link[aria-current="page"] .nav-index{opacity:1}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--cyan);border-radius:1px;
}

.header-status{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  white-space:nowrap;
}
.status-dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(43,217,208,.16);
  animation:statusPulse 2.8s ease-in-out infinite;
}
@keyframes statusPulse{0%,100%{opacity:.45}50%{opacity:1}}

.header-cta{flex:0 0 auto}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--radius);
  color:var(--text);font-size:13px;font-weight:700;letter-spacing:.08em;
}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{
  display:block;width:100%;height:2px;background:var(--cyan);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(42,74,65,.5);pointer-events:none;
}
.scroll-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--flare));
  transition:width .08s linear;
}

/* 头部响应式 */
@media (max-width:1200px){
  .nav-link{padding:8px 8px;font-size:12.5px}
  .nav-index{font-size:9.5px}
}
@media (max-width:1080px){
  .nav-toggle{display:inline-flex}
  .header-status{display:none}
  .header-cta{padding:8px 14px;font-size:13px}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    margin:0;display:none;
    background:#0B201B;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:8px var(--gutter) 18px;
    box-shadow:0 22px 40px rgba(0,0,0,.55);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-nav[data-open="true"]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item + .nav-item{border-top:1px solid var(--line-soft)}
  .nav-link{padding:14px 4px;font-size:15px;gap:10px;border-radius:0}
  .nav-index{font-size:11px;opacity:.8}
  .nav-link[aria-current="page"]{background:transparent;color:var(--cyan-soft)}
  .nav-link[aria-current="page"]::after{display:none}
}
@media (max-width:560px){
  .header-cta{display:none}
  .header-inner{gap:10px}
}

/* ---------- 15. Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(72px,10vw,140px);
  background:linear-gradient(180deg,var(--ink) 0%,#08110F 100%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:2px;
  background:linear-gradient(90deg,var(--cyan) 0 38%,var(--flare) 38% 100%);
  opacity:.85;
}
.footer-inner{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding-inline:var(--gutter);
}
.footer-top{
  display:grid;grid-template-columns:5fr 7fr;
  gap:clamp(28px,4vw,64px);
  padding-block:clamp(44px,6vw,72px) clamp(28px,4vw,44px);
}
.footer-brand{max-width:44ch}
.footer-brand-line{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(17px,1.6vw,21px);line-height:1.32;letter-spacing:-.005em;color:var(--text);
}
.footer-note{
  margin-top:14px;font-size:14px;line-height:1.8;color:var(--muted);max-width:42ch;
}
.footer-cta{margin-top:22px}

.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px clamp(16px,3vw,32px)}
.footer-col-title{
  font-family:var(--font-mono);font-size:11px;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  margin-bottom:16px;
}
.footer-list li + li{margin-top:10px}
.footer-link{
  font-size:14px;color:var(--muted);
  transition:color .16s var(--ease);
}
.footer-link:hover{
  color:var(--text);
  text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(43,217,208,.6);text-decoration-thickness:1px;
}

.footer-contact{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 28px;
  padding-block:22px;
  border-top:1px solid var(--line-soft);
}
.footer-contact-label{
  font-family:var(--font-mono);font-size:11px;font-weight:800;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
}
.footer-contact-items{display:flex;flex-wrap:wrap;gap:10px clamp(16px,3vw,36px)}
.footer-contact-item{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;line-height:1.6}
.footer-contact-key{color:var(--muted)}
.footer-contact-value{color:var(--text);word-break:break-word}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  padding-block:18px 28px;
  border-top:1px solid var(--line-soft);
  font-size:12px;color:var(--muted);letter-spacing:.02em;
}
.footer-legal{max-width:none}
.footer-legal--icp{font-family:var(--font-mono);letter-spacing:.04em}
.footer-legal-list{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal-link{color:var(--muted);transition:color .16s var(--ease)}
.footer-legal-link:hover{color:var(--cyan-soft)}

@media (max-width:1000px){
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:680px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-contact-items{flex-direction:column;gap:8px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 16. 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;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none;opacity:1}
  .scroll-progress-bar{transition:none}
}