/* ============================================================
   HO赛场 · 共享外壳样式  /assets/site.css
   深夜赛场指挥中心 · 堆叠面板 · 侧边轨道导航
   ============================================================ */

/* ---------- 1. 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,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
em,i{font-style:normal}
table{border-collapse:collapse}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-900:#061A14;
  --ink-850:#081F18;
  --ink-800:#0B2A20;
  --line:#1C4636;
  --neon:#3FF0C8;
  --neon-dim:rgba(63,240,200,.45);
  --paper:#EAF6F1;
  --paper-70:rgba(234,246,241,.72);
  --paper-45:rgba(234,246,241,.45);
  --pulse:#FF8A3D;
  --indigo:#4A3B8C;
  --wine:#7A2436;
  --amber:#F2C230;
  --red:#E2453A;
  --rice:#F4F1E8;

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

  --wrap:1240px;
  --gutter:20px;
  --rail-w:76px;
  --rail-w-open:236px;
  --ease:cubic-bezier(.22,.7,.3,1);
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;line-height:1.12}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px}

.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}

/* ---------- 4. 跳至内容 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 16px;background:var(--neon);color:var(--ink-900);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  transform:translateY(-180%);transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}

/* 5.1 顶部快捷条 */
.util-bar{position:relative;background:transparent;border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease,transform .3s ease}
.site-header[data-scrolled="true"] .util-bar{background:var(--ink-800);border-bottom-color:var(--line);transform:translateY(-2px)}
.util-inner{
  display:flex;align-items:center;gap:16px;
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:9px var(--gutter);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--paper-45);
}
.util-label{padding-right:14px;border-right:1px solid var(--line)}
.util-list{display:flex;flex-wrap:wrap;gap:2px}
.util-list a{display:inline-block;padding:2px 10px;color:var(--paper-70);border:1px solid transparent;transition:color .2s,border-color .2s}
.util-list a:hover{color:var(--neon);border-color:var(--line)}
.util-list a[aria-current="page"]{color:var(--neon);border-color:var(--neon-dim)}
.status-strip{margin-left:auto;display:flex;align-items:center;gap:8px;letter-spacing:.1em;color:var(--paper-45);white-space:nowrap}
.status-dot{width:6px;height:6px;flex:none;border-radius:50%;background:var(--neon);box-shadow:0 0 0 3px rgba(63,240,200,.14);animation:pulse-dot 2.4s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}
.read-progress{position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--neon),var(--pulse));transition:width .12s linear}

/* 5.2 品牌区 */
.masthead{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:16px 14px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{
  display:grid;place-items:center;flex:none;
  width:46px;height:46px;
  border:1px solid var(--neon);background:var(--ink-800);color:var(--neon);
  font-family:var(--font-mono);font-size:15px;font-weight:600;letter-spacing:.06em;
  box-shadow:5px 5px 0 -1px rgba(28,70,54,.95);
}
.brand-text{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand-line{font-family:var(--font-display);font-weight:800;font-size:20px;line-height:1.15;letter-spacing:-.01em;color:var(--paper)}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--paper-45);white-space:nowrap}
.brand-domain{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--neon-dim);white-space:nowrap}

/* 5.3 抽屉按钮 */
.nav-toggle{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border:1px solid var(--line);background:var(--ink-800);color:var(--paper);
  transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--neon);color:var(--neon)}
.nav-toggle-bars{display:grid;gap:4px}
.nav-toggle-bars i{display:block;width:18px;height:1px;background:var(--neon);transition:transform .25s var(--ease),opacity .25s}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle-text{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em}

/* 5.4 轨道导航（移动端＝全屏抽屉） */
.rail{
  position:fixed;top:0;left:0;bottom:0;z-index:90;
  width:min(340px,86vw);
  display:flex;flex-direction:column;
  padding:22px 0 26px;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  overflow-y:auto;overscroll-behavior:contain;
  transform:translateX(-102%);
  transition:transform .3s var(--ease);
}
.rail[data-open]{transform:translateX(0);box-shadow:28px 0 60px rgba(0,0,0,.55)}
.rail-title{padding:0 20px 16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--paper-45);transition:opacity .2s}
.rail-list{display:grid;gap:4px}
.rail-list a{
  display:grid;grid-template-columns:36px 1fr;align-items:center;gap:12px;
  padding:8px 20px;border:1px solid transparent;
  transition:background .2s,border-color .2s,color .2s;
}
.rail-list a:hover{border-color:var(--line);background:rgba(28,70,54,.35)}
.rail-list a[aria-current="page"]{background:rgba(63,240,200,.08);border-color:var(--neon-dim)}
.rail-num{
  display:grid;place-items:center;width:34px;height:34px;
  border:1px solid var(--line);border-radius:50%;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.02em;color:var(--neon-dim);
  transition:background .2s,color .2s,border-color .2s;
}
.rail-list a:hover .rail-num{border-color:var(--neon-dim);color:var(--neon)}
.rail-list a[aria-current="page"] .rail-num{border-color:var(--neon);background:var(--neon);color:var(--ink-900)}
.rail-name{font-size:14px;letter-spacing:.06em;color:var(--paper);white-space:nowrap;transition:opacity .2s}
.rail-foot{margin-top:auto;display:grid;gap:14px;padding:20px 20px 0;border-top:1px solid var(--line);transition:opacity .2s}
.rail-note{font-size:11px;line-height:1.85;letter-spacing:.06em;color:var(--paper-45);white-space:nowrap;transition:opacity .2s}
.rail-foot .btn{transition:opacity .2s,color .2s,border-color .2s,background .2s}
.rail-scrim{
  position:fixed;inset:0;z-index:85;
  background:rgba(3,12,9,.74);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.rail-scrim[data-visible]{opacity:1;pointer-events:auto}

/* ---------- 6. 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line)}
.ticker{position:relative;background:var(--ink-800);border-bottom:1px solid var(--line);overflow:hidden}
.ticker-track{display:flex;width:max-content;animation:ticker-scroll 46s linear infinite}
.ticker:hover .ticker-track,
.ticker.is-paused .ticker-track{animation-play-state:paused}
@keyframes ticker-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-group{display:flex;align-items:stretch}
.ticker-item{display:flex}
.ticker-link{
  display:block;padding:10px 22px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--paper-70);border-right:1px solid var(--line);white-space:nowrap;
  transition:color .2s,background .2s;
}
a.ticker-link:hover{color:var(--neon);background:rgba(63,240,200,.06)}
.ticker-toggle{
  position:absolute;right:0;top:0;bottom:0;z-index:2;
  padding:0 18px;background:var(--ink-800);border-left:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--paper-70);
  transition:color .2s,background .2s;
}
.ticker-toggle:hover{color:var(--neon);background:var(--ink-850)}

.footer-main{display:grid;gap:34px 26px;grid-template-columns:1fr;padding-block:46px 36px}
.footer-heading{font-family:var(--font-mono);font-size:11px;font-weight:400;letter-spacing:.18em;color:var(--neon);margin-bottom:14px}
.footer-lockup{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.01em}
.footer-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--neon-dim);color:var(--neon);font-family:var(--font-mono);font-size:12px;font-weight:600}
.footer-tagline{max-width:34ch;margin-top:12px;font-size:13px;line-height:1.9;color:var(--paper-70)}
.footer-domain{margin-top:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--paper-45)}
.footer-map ul,.footer-legal ul,.footer-contact ul{display:grid;gap:9px;font-size:13px;color:var(--paper-70)}
.footer-map a:hover,.footer-legal a:hover{color:var(--neon)}
.footer-key{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--paper-45)}
.footer-value{display:block;font-family:var(--font-mono);font-size:12px;color:var(--paper);word-break:break-all}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 22px;
  padding-block:16px 24px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--paper-45);
}
.footer-icp{color:var(--paper-70)}

/* ---------- 7. 通用组件 ---------- */
/* 7.1 面板 / 画板 */
.panel{
  position:relative;background:var(--ink-800);
  border:1px solid var(--line);
  padding:28px 24px;
  box-shadow:8px 8px 0 -2px rgba(28,70,54,.55);
}
.panel--indigo{background:var(--indigo);border-color:rgba(234,246,241,.22);box-shadow:8px 8px 0 -2px rgba(74,59,140,.4)}
.panel--wine{background:var(--wine);border-color:rgba(234,246,241,.22);box-shadow:8px 8px 0 -2px rgba(122,36,54,.4)}
.panel--rice{background:var(--rice);border-color:var(--ink-800);color:var(--ink-900);box-shadow:8px 8px 0 -2px rgba(6,26,20,.45)}
.panel--flush{padding:0}

/* 7.2 印刷标签 / 索引 */
.label-tape{
  display:inline-block;padding:5px 10px;background:var(--rice);color:var(--ink-900);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
}
.label-tape--neon{background:var(--neon);color:var(--ink-900)}
.label-tape--pulse{background:var(--pulse);color:var(--ink-900)}
.label-tape--wine{background:var(--wine);color:var(--paper)}
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--neon)}

/* 7.3 标题与正文 */
.section-title{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,5vw,46px);line-height:1.08;letter-spacing:-.02em;color:var(--paper)}
.section-title em{color:var(--neon)}
.lede{max-width:40ch;font-size:15px;line-height:1.9;color:var(--paper-70)}
.prose{max-width:38em;font-size:15px;line-height:1.95;color:var(--paper-70)}
.prose p+p{margin-top:1em}
.prose h2,.prose h3{color:var(--paper);margin:1.6em 0 .6em;font-size:clamp(20px,3vw,26px)}
.prose a{color:var(--neon);border-bottom:1px solid var(--neon-dim)}
.prose strong{color:var(--paper);font-weight:600}

/* 7.4 网格 */
.grid{display:grid;gap:18px}
.grid--halves{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--trio{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.split{display:grid;grid-template-columns:1fr;gap:24px}
.split--reverse>*:first-child{order:2}
@media (min-width:900px){
  .split{grid-template-columns:5fr 6fr;gap:34px}
  .split--reverse>*:first-child{order:0}
  .split--reverse>*:last-child{order:2}
}

/* 7.5 卡片与数据 */
.card{position:relative;background:var(--ink-850);border:1px solid var(--line);padding:20px}
.card__title{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:-.01em;line-height:1.3}
.card__meta{margin-top:6px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--paper-45)}
.stat-card{
  position:relative;background:var(--ink-800);border:1px solid var(--line);border-left:2px solid var(--neon);
  padding:18px 18px 16px;box-shadow:6px 6px 0 -2px rgba(28,70,54,.65);
}
.stat-value{display:block;font-family:var(--font-mono);font-weight:600;font-size:clamp(28px,4vw,40px);line-height:1;color:var(--neon);font-variant-numeric:tabular-nums}
.stat-value--pulse{color:var(--pulse)}
.stat-value--paper{color:var(--paper)}
.stat-label{display:block;margin-top:9px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--paper-45)}
.data-bar{position:relative;height:6px;background:rgba(28,70,54,.7);overflow:hidden}
.data-bar__fill{
  display:block;height:100%;background:var(--neon);transform-origin:left center;
  width:var(--value,0%);transform:scaleX(1);
  transition:transform .6s var(--ease);
}
.data-bar--pulse .data-bar__fill{background:var(--pulse)}
html.js-motion .data-bar__fill{transform:scaleX(0)}
html.js-motion .is-visible .data-bar__fill{transform:scaleX(1)}

/* 7.6 标签 */
.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:.1em;color:var(--paper-70);
}
.tag--neon{border-color:var(--neon);color:var(--neon)}
.tag--amber{border-color:var(--amber);color:var(--amber)}
.tag--red{border-color:var(--red);color:var(--red)}

/* 7.7 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid var(--neon);background:var(--neon);color:var(--ink-900);
  font-size:13px;font-weight:600;letter-spacing:.08em;
  transition:transform .18s var(--ease),background .18s,color .18s,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn--pulse{background:var(--pulse);border-color:var(--pulse);color:var(--ink-900)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--neon);color:var(--neon);background:rgba(63,240,200,.06)}
.btn--sm{padding:8px 14px;font-size:12px}

/* 7.8 面包屑 */
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--paper-45)}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li::after{content:"/";color:var(--line)}
.breadcrumbs li:last-child::after{content:""}
.breadcrumbs a{color:var(--paper-70)}
.breadcrumbs a:hover{color:var(--neon)}
.breadcrumbs [aria-current="page"]{color:var(--neon)}

/* 7.9 图片容器 */
.media{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,var(--ink-800),var(--ink-900) 65%);
  aspect-ratio:16/9;
}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media img{width:100%;height:100%;object-fit:cover}
.media-placeholder{
  display:grid;place-items:center;width:100%;height:100%;
  background:repeating-linear-gradient(135deg,rgba(28,70,54,.55) 0 14px,rgba(11,42,32,.55) 14px 28px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--paper-45);
}
.media-figure{margin:0}
.media-caption{margin-top:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--paper-45)}
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}

/* 7.10 斜切助手 */
.edge-slash{clip-path:polygon(0 0,100% 2.6%,100% 100%,0 97.4%)}
.edge-slash--reverse{clip-path:polygon(0 2.6%,100% 0,100% 97.4%,0 100%)}

/* ---------- 8. 显现动效 ---------- */
[data-reveal]{
  transition:opacity .42s ease,transform .42s var(--ease);
  transition-delay:var(--d,0ms);
}
html.js-motion [data-reveal]{opacity:0;transform:translateY(12px)}
html.js-motion [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 9. 响应式 ---------- */
@media (max-width:767px){
  .util-label,.brand-domain,.status-strip{display:none}
  .util-inner{padding-block:7px}
  .brand-mark{width:40px;height:40px;font-size:13px;box-shadow:4px 4px 0 -1px rgba(28,70,54,.95)}
  .brand-line{font-size:17px}
  .brand-sub{font-size:10px;letter-spacing:.14em}
  .masthead{padding-block:12px 12px}
  .panel{padding:22px 18px}
}

@media (min-width:640px){
  .footer-main{grid-template-columns:1fr 1fr}
}

@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .skip-link{left:calc(var(--rail-w) + 10px)}

  .rail{
    width:var(--rail-w);
    transform:none;
    transition:width .3s var(--ease);
  }
  .rail[data-open]{transform:none;box-shadow:none}
  .rail:hover,.rail:focus-within{width:var(--rail-w-open)}
  .rail:not(:hover):not(:focus-within) .rail-title,
  .rail:not(:hover):not(:focus-within) .rail-name,
  .rail:not(:hover):not(:focus-within) .rail-foot{opacity:0}
  .rail:not(:hover):not(:focus-within) .rail-note,
  .rail:not(:hover):not(:focus-within) .rail-foot .btn{opacity:0}
  .rail-scrim{display:none}
  .nav-toggle{display:none}

  .footer-main{grid-template-columns:1.5fr 1fr 1fr 1.3fr}
}

/* ---------- 10. 降低动态 ---------- */
@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-motion [data-reveal]{opacity:1;transform:none}
  html.js-motion .data-bar__fill{transform:scaleX(1)}
  .status-dot{animation:none}
  .ticker{overflow-x:auto}
  .ticker-track{animation:none}
}