/* ==========================================================================
   谈球吧主站 · 共享样式 /assets/site.css
   深墨绿赛场底 + 荧光青数据高亮 + 琥珀橙状态提示
   ========================================================================== */

:root{
  --ink-950:#071A14;
  --ink-900:#0B241C;
  --ink-850:#0E2B21;
  --charcoal:#111513;
  --cyan:#3DF5D0;
  --cyan-dim:#1AA88F;
  --amber:#FFB347;
  --amber-deep:#C97A1A;
  --off-white:#F2EFE6;
  --muted:#9BB7AC;
  --line:#2E4A3F;
  --focus:#E8FF6A;
  --rust:#E05A3A;

  --rail-w:238px;
  --head-h:62px;
  --wrap:1180px;

  --font-display:"Arial Narrow","Helvetica Neue Condensed","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --ease:150ms cubic-bezier(.2,.7,.3,1);
}

/* ---------------------------------- reset --------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
table{border-collapse:collapse}
hr{border:0}

/* ------------------------------- 基础排版 -------------------------------- */
html,body{min-height:100%}
body{
  background-color:var(--ink-950);
  background-image:
    radial-gradient(1100px 560px at 84% -12%, rgba(61,245,208,.09), transparent 62%),
    radial-gradient(900px 520px at -6% 104%, rgba(255,179,71,.06), transparent 58%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--off-white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.012em;
  color:var(--off-white);
}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--off-white)}
strong{color:var(--off-white);font-weight:700}
::selection{background:var(--cyan);color:var(--ink-950)}

:where(a,button,[tabindex],summary):focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
}
#main-content:focus-visible{outline:2px solid var(--focus);outline-offset:6px}

.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;
}

/* ------------------------------ 跳转链接 -------------------------------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  display:inline-block;padding:10px 16px;
  background:var(--focus);color:#12210F;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  transform:translateY(-160%);
  transition:transform var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#12210F}

/* ================================ 头部框架 =============================== */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:80;
  background:var(--ink-950);
  border-bottom:1px solid var(--line);
}
.header-rail{
  position:relative;
  display:flex;flex-direction:column;
  padding:0 16px;
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:var(--head-h);
  padding-block:10px;
}

/* 品牌 */
.brand{
  display:flex;align-items:center;gap:10px;
  color:var(--off-white);text-decoration:none;
  min-width:0;
}
.brand-mark{
  display:grid;place-items:center;
  width:34px;height:34px;flex:0 0 auto;
  border:1px solid var(--cyan-dim);
  background:rgba(61,245,208,.07);
  color:var(--cyan);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.05em;white-space:nowrap}
.brand-tagline{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.18em;
  color:var(--muted);text-transform:uppercase;white-space:nowrap;
}
.brand:hover .brand-mark{border-color:var(--cyan);background:rgba(61,245,208,.14)}
.brand:hover .brand-name{color:var(--cyan)}

/* 移动菜单按钮 */
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 11px;
  background:transparent;border:1px solid var(--line);
  color:var(--off-white);cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan-dim);color:var(--cyan);background:rgba(61,245,208,.06)}
.nav-toggle-icon{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{display:block;height:1px;width:100%;background:var(--cyan);transition:transform var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(2.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){transform:translateY(-2.5px) rotate(-45deg)}

/* 导航（移动端为下拉面板） */
.site-nav{
  position:absolute;top:100%;left:0;right:0;
  display:none;flex-direction:column;
  padding:16px 16px 22px;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
  box-shadow:0 22px 48px rgba(0,0,0,.5);
  max-height:calc(100vh - var(--head-h) - 2px);
  overflow-y:auto;
}
.site-nav[data-open="true"]{display:flex}
.nav-kicker{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan-dim);
  margin-bottom:12px;
}
.nav-list{display:flex;flex-direction:column}
.nav-item{list-style:none}
.nav-link{
  position:relative;
  display:flex;align-items:baseline;gap:12px;
  padding:11px 0 11px 14px;
  color:rgba(242,239,230,.74);
  font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(46,74,63,.55);
  transition:color var(--ease),background var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;
  background:var(--cyan);
  transform:scaleY(0);transform-origin:top center;
  transition:transform var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--off-white);background:rgba(61,245,208,.06)}
.nav-link:hover::before{transform:scaleY(1)}
.nav-index{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--cyan-dim);flex:0 0 22px;
  transition:color var(--ease);
}
.nav-label{display:block}
.nav-link:hover .nav-index{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--off-white);
  background:rgba(61,245,208,.09);
  font-weight:700;
}
.nav-link[aria-current="page"]::before{transform:scaleY(1);background:var(--amber)}
.nav-link[aria-current="page"] .nav-index{color:var(--amber)}

.header-cta{margin-top:18px;width:100%}
.rail-foot{display:none}
.rail-gauge{height:9px;border-bottom:1px solid var(--line);background-image:repeating-linear-gradient(90deg,rgba(155,183,172,.42) 0 1px,transparent 1px 7px)}
.header-status{
  font-family:var(--font-mono);font-size:10px;line-height:1.6;letter-spacing:.1em;
  color:var(--muted);margin-top:8px;
}

/* 滚动进度 */
.scroll-meter{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(46,74,63,.65);
  pointer-events:none;
}
.scroll-meter-fill{
  display:block;height:100%;
  width:calc(var(--progress,0) * 100%);
  background:linear-gradient(90deg,var(--cyan-dim),var(--cyan));
}

/* ---------------------------- 桌面：固定左栏 ----------------------------- */
@media (min-width:1080px){
  body{padding-left:var(--rail-w)}
  .site-header{
    position:fixed;top:0;left:0;bottom:0;right:auto;
    width:var(--rail-w);
    border-bottom:0;
    border-right:1px solid var(--line);
    background:linear-gradient(180deg,var(--ink-950) 0%,#061410 58%,var(--ink-900) 100%);
  }
  .header-rail{height:100%;padding:24px 20px 18px;overflow-y:auto}
  .header-bar{flex-direction:column;align-items:flex-start;gap:18px;min-height:0;padding-block:0;margin-bottom:20px}
  .nav-toggle{display:none}
  .site-nav{
    position:static;display:flex;flex-direction:column;
    padding:0;background:transparent;border:0;box-shadow:none;
    max-height:none;overflow:visible;
    flex:1 1 auto;min-height:0;
  }
  .nav-kicker{font-size:9px;letter-spacing:.24em;margin-bottom:10px}
  .nav-link{font-size:13.5px;padding:8px 0 8px 13px;gap:10px;border-bottom:1px solid rgba(46,74,63,.45)}
  .nav-link::before{top:6px;bottom:6px}
  .nav-index{font-size:10px;flex-basis:20px}
  .header-cta{margin-top:16px;font-size:12px;padding:10px 14px}
  .rail-foot{display:block;margin-top:auto;padding-top:20px}
  .header-status{font-size:9px;letter-spacing:.09em}
  .scroll-meter{
    left:auto;right:0;top:0;bottom:0;width:2px;height:auto;
  }
  .scroll-meter-fill{
    width:100%;height:calc(var(--progress,0) * 100%);
    background:linear-gradient(180deg,var(--cyan),var(--cyan-dim));
  }
}

/* ================================ 页脚 ================================= */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,8vw,110px);
  background:var(--ink-900);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(61,245,208,0) 42%,rgba(255,179,71,0) 62%,var(--amber));
  opacity:.85;
}
.footer-inner{
  max-width:var(--wrap);margin-inline:auto;
  padding:clamp(34px,5.5vw,68px) 20px 26px;
}
.footer-top{display:grid;grid-template-columns:1fr;gap:34px}
.footer-brand{max-width:42ch}
.footer-logo{
  display:inline-block;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(22px,3vw,32px);letter-spacing:.03em;
  color:var(--off-white);
  transition:color var(--ease);
}
.footer-logo:hover{color:var(--cyan)}
.footer-tagline{
  margin-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan-dim);
}
.footer-summary{
  margin-top:14px;font-size:14px;line-height:1.75;
  color:rgba(242,239,230,.72);
}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:26px}
.footer-col-title{
  font-family:var(--font-mono);font-weight:500;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan-dim);
  margin-bottom:10px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(46,74,63,.6);
}
.footer-links{display:flex;flex-direction:column}
.footer-link{
  display:inline-block;padding:5px 0;
  font-size:14px;color:rgba(242,239,230,.78);
  transition:color var(--ease),padding-left var(--ease);
}
.footer-link:hover{
  color:var(--cyan);padding-left:5px;
  text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:var(--cyan-dim);text-decoration-thickness:1px;
}
.footer-contact{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px;
  margin-top:clamp(26px,4vw,46px);padding-top:22px;
  border-top:1px solid var(--line);
}
.footer-contact-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);flex:0 0 auto;
}
.contact-list{display:flex;flex-wrap:wrap;gap:12px 28px}
.contact-item{display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap}
.contact-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);
}
.contact-value{font-size:14px;color:var(--off-white);word-break:break-all}
.copy-btn{
  padding:3px 9px;background:transparent;
  border:1px dashed var(--line);
  color:var(--muted);cursor:pointer;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.copy-btn:hover{border-color:var(--cyan-dim);color:var(--cyan);border-style:solid;background:rgba(61,245,208,.07)}
.copy-btn[data-copied="true"]{border-color:var(--amber);color:var(--amber);border-style:solid}
.copy-btn[data-copied="false"]{border-color:var(--rust);color:var(--rust);border-style:solid}
.footer-wordmark{
  display:block;
  margin-top:clamp(30px,5vw,58px);
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(46px,12vw,146px);line-height:.82;letter-spacing:-.02em;
  color:transparent;
  -webkit-text-stroke:1px rgba(46,74,63,.95);
  text-stroke:1px rgba(46,74,63,.95);
  user-select:none;pointer-events:none;
  white-space:nowrap;overflow:hidden;
}
.footer-legal{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 26px;
  margin-top:16px;padding-top:16px;
  border-top:1px solid rgba(46,74,63,.55);
}
.footer-legal-text{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--muted);
}
@media (min-width:860px){
  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:48px}
}

/* ============================== 通用版式 =============================== */
.wrap{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;padding-inline:20px;
}
@media (min-width:768px){.wrap{padding-inline:32px}}
@media (min-width:1080px){.wrap{padding-inline:40px}}

.section{
  padding-block:clamp(38px,5.5vw,82px);
  border-top:1px solid var(--line);
}
.section--flush{border-top:0}
.page-head{
  padding-block:clamp(26px,4.5vw,54px) clamp(18px,3vw,34px);
  border-bottom:1px solid var(--line);
}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan-dim);
}
.kicker::before{content:"";width:22px;height:1px;background:var(--cyan);display:block}

.display-1{font-size:clamp(42px,7.6vw,108px);line-height:.92;letter-spacing:-.025em}
.display-2{font-size:clamp(30px,4.6vw,60px);line-height:.96}
.display-3{font-size:clamp(23px,3.2vw,38px);line-height:1.06}
.lede{
  font-size:clamp(16px,1.9vw,19px);line-height:1.72;
  color:rgba(242,239,230,.78);max-width:64ch;
}
.note{
  font-family:var(--font-mono);font-size:12px;line-height:1.75;
  letter-spacing:.05em;color:var(--muted);
}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:-.03em;
}
.rule{height:1px;background:var(--line);border:0;margin:0}
.link-underline{
  color:var(--off-white);
  border-bottom:1px solid var(--cyan-dim);
  padding-bottom:1px;
  transition:color var(--ease),border-color var(--ease);
}
.link-underline:hover{color:var(--cyan);border-color:var(--cyan)}

/* -------------------------------- 网格 --------------------------------- */
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}
.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}
@media (max-width:767px){
  .grid-12{gap:18px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:1 / -1}
}

/* ------------------------------- 组件块 -------------------------------- */
.panel{
  position:relative;
  background:var(--ink-900);
  border:1px solid var(--line);
  padding:clamp(16px,2.6vw,28px);
}
.panel--notch::before{
  content:"";position:absolute;top:0;right:0;
  width:0;height:0;
  border-top:16px solid var(--cyan);
  border-left:16px solid transparent;
}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(32px,4.6vw,58px);
  line-height:1;letter-spacing:-.045em;
  color:var(--cyan);
}
.stat-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  border:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.09em;
  color:var(--muted);
}
.tag--cyan{border-color:var(--cyan-dim);color:var(--cyan)}
.tag--amber{border-color:var(--amber-deep);color:var(--amber)}
.tag--alert{border-color:var(--rust);color:var(--rust)}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}

/* -------------------------------- 按钮 --------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--off-white);
  font-family:var(--font-body);font-size:14px;font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.btn:hover{background:rgba(61,245,208,.1);border-color:var(--cyan-dim);color:var(--cyan)}
.btn-amber{background:var(--amber);border-color:var(--amber);color:#1C1305}
.btn-amber:hover{background:var(--amber-deep);border-color:var(--amber-deep);color:var(--off-white)}
.btn-cyan{border-color:var(--cyan-dim);color:var(--cyan)}
.btn-cyan:hover{background:rgba(61,245,208,.14);border-color:var(--cyan);color:var(--cyan)}
.btn-ghost{border-color:var(--line);color:var(--off-white)}
.btn-ghost:hover{border-color:var(--off-white);color:var(--off-white);background:rgba(242,239,230,.06)}

/* ------------------------------ 面包屑 --------------------------------- */
.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 li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--off-white)}

/* -------------------------------- 正文 --------------------------------- */
.prose{max-width:68ch;color:rgba(242,239,230,.86)}
.prose p{margin-bottom:1.05em}
.prose p:last-child{margin-bottom:0}
.prose h2{margin:1.9em 0 .7em;font-size:clamp(22px,3vw,32px)}
.prose h3{margin:1.5em 0 .6em;font-size:clamp(18px,2.2vw,23px)}
.prose ul{margin:0 0 1.1em;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:1px;background:var(--cyan-dim);
}
.prose a{
  color:var(--off-white);
  border-bottom:1px solid var(--cyan-dim);
}
.prose a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ------------------------------- 数据表 -------------------------------- */
.data-table{width:100%;font-size:14px;text-align:left}
.data-table caption{
  caption-side:top;text-align:left;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan-dim);
  padding-bottom:10px;
}
.data-table th{
  font-family:var(--font-mono);font-weight:500;
  font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table td{
  padding:12px;
  border-bottom:1px solid rgba(46,74,63,.5);
  color:rgba(242,239,230,.86);
  vertical-align:top;
}
.data-table tbody tr{transition:background var(--ease)}
.data-table tbody tr:hover{background:rgba(61,245,208,.055)}
.data-table .num{color:var(--off-white)}

/* ------------------------------- 时间轴 -------------------------------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;
  background:var(--line);
}
.timeline-item{position:relative;padding:0 0 22px 30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:0;top:6px;
  width:15px;height:15px;
  border:1px solid var(--cyan-dim);
  background:var(--ink-950);
}
.timeline-item[data-state="current"]::before{
  background:var(--cyan);border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(61,245,208,.16);
}
.timeline-item[data-state="alert"]::before{
  background:var(--amber);border-color:var(--amber);
}

/* ----------------------------- 图片容器 -------------------------------- */
.figure{
  position:relative;margin:0;
  border:1px solid var(--line);
  background:var(--ink-900);
  overflow:hidden;
}
.figure img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.72) contrast(1.06) brightness(.92);
}
.figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(198deg,rgba(7,26,20,.08) 8%,rgba(7,26,20,.72) 100%);
}
.figure--wide{aspect-ratio:16 / 9}
.figure--square{aspect-ratio:1 / 1}
.figure--tall{aspect-ratio:3 / 4}
.figure--placeholder{
  aspect-ratio:16 / 9;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(rgba(46,74,63,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,74,63,.55) 1px,transparent 1px);
  background-size:34px 34px;
}
.figure-caption{
  margin-top:9px;
  font-family:var(--font-mono);font-size:11px;line-height:1.7;
  letter-spacing:.07em;color:var(--muted);
}

/* ---------------------------- 动效降级 -------------------------------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}