/* ==========================================================================
   博澳体育 CN · 共享样式 /assets/site.css
   夜间球场数据指挥室：墨绿基底 + 荧光青柠 + 琥珀橙
   ========================================================================== */

:root{
  --ink:#061B16;
  --ink-deep:#04120F;
  --tunnel:#0C2B23;
  --panel:#123D33;
  --line:#2B4C42;
  --chalk:#F2F7EE;
  --steel:#A7B8BF;
  --body-text:#DCE7DA;
  --lime:#C8FF43;
  --amber:#FFB02E;
  --wine:#6B2437;
  --paper:#E8EFE7;

  --shell:1440px;
  --gutter:24px;
  --header-h:76px;

  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-pill:999px;

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

  --ease:cubic-bezier(.22,.61,.36,1);
  --dur-fast:120ms;
  --dur:200ms;
  --dur-slow:400ms;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--chalk);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.15}

:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:300;
  display:inline-block;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  transform:translateY(-180%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{
  transform:translateY(0);
  outline:2px solid var(--chalk);
  outline-offset:2px;
}

/* ---------- 工具类 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--steel);
}
.sr-only{
  position:absolute;width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}
.section{padding-block:clamp(48px,6.5vw,96px)}
.divider{height:1px;border:0;margin:0;background:var(--line)}
.grid{display:grid;gap:var(--gutter)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,27,22,.97);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}

/* 状态条 */
.status-rail{
  background:var(--tunnel);
  border-bottom:1px solid rgba(43,76,66,.7);
}
.status-rail__inner{
  display:flex;
  align-items:center;
  gap:22px;
  max-width:var(--shell);
  margin-inline:auto;
  padding:7px var(--gutter);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.status-rail__badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  color:var(--lime);
  font-weight:700;
}
.status-rail__dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,255,67,.14);
  animation:railPulse 2.6s var(--ease) infinite;
}
@keyframes railPulse{
  0%,100%{box-shadow:0 0 0 4px rgba(200,255,67,.14)}
  50%{box-shadow:0 0 0 8px rgba(200,255,67,.03)}
}
.status-rail__list{
  display:flex;
  align-items:center;
  gap:20px;
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
}
.status-rail__item{
  flex:0 1 auto;
  min-width:0;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:var(--steel);
}
.status-rail__key{
  margin-right:6px;
  color:var(--chalk);
  opacity:.5;
}
.status-rail__clock{
  flex:0 0 auto;
  font-size:10px;
  letter-spacing:.18em;
  color:var(--steel);
}

/* 命令栏 */
.command-bar{position:relative}
.command-bar__inner{
  display:flex;
  align-items:center;
  gap:20px;
  max-width:var(--shell);
  margin-inline:auto;
  min-height:var(--header-h);
  padding-inline:var(--gutter);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  padding:8px 0;
  border-radius:var(--r-md);
}
.brand__mark{
  display:inline-grid;
  grid-template-columns:repeat(3,4px);
  align-items:end;
  gap:3px;
  height:26px;
}
.brand__mark i{
  display:block;
  width:4px;
  border-radius:2px;
  background:var(--lime);
  transition:height var(--dur) var(--ease);
}
.brand__mark i:nth-child(1){height:11px;opacity:.45}
.brand__mark i:nth-child(2){height:19px;background:var(--amber)}
.brand__mark i:nth-child(3){height:26px}
.brand:hover .brand__mark i:nth-child(1){height:18px}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--chalk);
}
.brand__cn{
  margin-left:6px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--lime);
  vertical-align:2px;
}
.brand__line{
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--steel);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(18,61,51,.6);
  color:var(--chalk);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:16px;
  height:14px;
}
.nav-toggle__bars span{
  display:block;
  height:2px;
  width:100%;
  border-radius:2px;
  background:var(--lime);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.site-header[data-open="true"] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

/* 主导航 */
.primary-nav{flex:1 1 auto;min-width:0;display:flex}
.primary-nav__list{display:flex;align-items:center;gap:2px}
.primary-nav__item{flex:0 0 auto}
.primary-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--steel);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.primary-nav__index{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.08em;
  color:rgba(167,184,191,.5);
  transition:color var(--dur) var(--ease);
}
.primary-nav__text{display:inline}
.primary-nav__link:hover{color:var(--chalk);background:rgba(200,255,67,.09)}
.primary-nav__link:hover .primary-nav__index{color:var(--lime)}
.primary-nav__link[aria-current="page"]{
  background:var(--lime);
  color:var(--ink);
  font-weight:800;
}
.primary-nav__link[aria-current="page"] .primary-nav__index{color:rgba(6,27,22,.55)}

/* 行动按钮 */
.command-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn--lime{background:var(--lime);color:var(--ink)}
.btn--lime:hover{background:#D8FF74;transform:translateY(-2px)}
.btn--amber{background:var(--amber);color:var(--ink)}
.btn--amber:hover{background:#FFC260;transform:translateY(-2px)}
.btn--ghost{
  background:transparent;
  color:var(--chalk);
  border-color:var(--line);
}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:0 16px;font-size:13px}

/* 滚动进度计 */
.scroll-meter{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:rgba(43,76,66,.55);
  overflow:hidden;
  pointer-events:none;
}
.scroll-meter__fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--lime),var(--amber));
  transition:width 90ms linear;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,var(--ink-deep) 0%,var(--ink) 55%,#05201A 100%);
  border-top:1px solid var(--line);
  color:var(--chalk);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--lime) 30%,var(--amber) 70%,transparent);
  opacity:.75;
}
.site-footer::after{
  content:"";
  position:absolute;
  right:-12%;
  top:-140px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,67,.10),transparent 68%);
  pointer-events:none;
}
.footer-top{
  position:relative;
  z-index:1;
  background:rgba(12,43,35,.55);
  border-bottom:1px solid var(--line);
}
.footer-top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  max-width:var(--shell);
  margin-inline:auto;
  padding:22px var(--gutter);
}
.footer-top__tag{
  font-family:var(--font-display);
  font-size:clamp(18px,2vw,24px);
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--chalk);
}
.footer-top__meta{display:flex;flex-wrap:wrap;gap:8px}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(6,27,22,.55);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--steel);
  white-space:nowrap;
}
.status-chip::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
}
.status-chip--amber{border-color:rgba(255,176,46,.45);color:var(--amber)}
.status-chip--amber::before{background:var(--amber)}
.status-chip--ghost{color:var(--steel)}
.status-chip--ghost::before{background:var(--steel)}

.footer-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.7fr) repeat(2,minmax(0,1fr));
  gap:48px 32px;
  max-width:var(--shell);
  margin-inline:auto;
  padding:56px var(--gutter) 44px;
}
.footer-brand{min-width:0}
.brand--footer{padding:0}
.footer-brand__tagline{
  margin-top:18px;
  max-width:34ch;
  font-size:14px;
  line-height:1.85;
  color:var(--steel);
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:22px;
}
.footer-contact__row{
  display:flex;
  align-items:baseline;
  gap:10px;
  flex-wrap:wrap;
  font-size:14px;
}
.footer-contact__key{
  min-width:44px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--line);
}
.footer-contact__val{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--chalk);
  word-break:break-word;
}
.footer-contact__val--wrap{
  max-width:28ch;
  font-family:var(--font-body);
  font-size:13px;
  line-height:1.7;
  color:var(--steel);
}
.footer-col{min-width:0}
.footer-col__title{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:18px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--steel);
}
.footer-col__title::before{
  content:"";
  width:14px;height:2px;
  border-radius:2px;
  background:var(--lime);
  flex:0 0 auto;
}
.footer-col__list{display:flex;flex-direction:column;gap:2px}
.footer-col__link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 0;
  font-size:15px;
  color:var(--chalk);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col__link::before{
  content:"↗";
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--line);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col__link:hover{color:var(--lime);transform:translateX(3px)}
.footer-col__link:hover::before{color:var(--amber)}

.footer-bottom{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  background:rgba(4,18,15,.6);
}
.footer-bottom__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  max-width:var(--shell);
  margin-inline:auto;
  padding:20px var(--gutter);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--steel);
}
.footer-bottom__legal{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.footer-bottom__links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom__link{
  color:var(--steel);
  transition:color var(--dur) var(--ease);
}
.footer-bottom__link:hover{color:var(--lime)}

/* ---------- 通用内容组件 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(12,43,35,.6);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel);
  white-space:nowrap;
}
.tag--lime{border-color:rgba(200,255,67,.5);background:rgba(200,255,67,.1);color:var(--lime)}
.tag--amber{border-color:rgba(255,176,46,.5);background:rgba(255,176,46,.1);color:var(--amber)}
.tag--wine{border-color:rgba(107,36,55,.9);background:var(--wine);color:#F6DCE3}

.card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(20px,2.4vw,32px);
}
.card--wide{border-radius:var(--r-xl)}
.card--flush{padding:0;overflow:hidden}
.card--paper{
  background:var(--paper);
  border-color:transparent;
  color:var(--ink);
}

.media-frame{
  position:relative;
  display:grid;
  place-items:center;
  min-height:120px;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(140deg,var(--tunnel),var(--panel) 58%,var(--ink));
  isolation:isolate;
}
.media-frame > img,
.media-frame > video{
  grid-area:1/1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--band{aspect-ratio:21/9}
.media-frame--bare{border-radius:0}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:18px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
}
.breadcrumbs a{color:var(--steel);transition:color var(--dur) var(--ease)}
.breadcrumbs a:hover{color:var(--lime)}
.breadcrumbs__sep{color:var(--line)}
.breadcrumbs [aria-current="page"]{color:var(--chalk)}

.prose{
  max-width:68ch;
  font-size:17px;
  line-height:1.85;
  color:var(--body-text);
}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(24px,2.4vw,32px);color:var(--chalk);margin-top:1.8em}
.prose h3{font-size:clamp(19px,1.8vw,23px);color:var(--chalk);margin-top:1.5em}
.prose strong{color:var(--chalk)}
.prose a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.5em}
.prose code{
  font-family:var(--font-mono);
  font-size:.92em;
  padding:.1em .45em;
  border-radius:6px;
  background:rgba(200,255,67,.1);
  color:var(--lime);
}
.prose blockquote{
  padding:14px 20px;
  border-left:3px solid var(--amber);
  background:rgba(18,61,51,.6);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--chalk);
}

/* 桌面左轨 */
.rail{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rail__label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--line);
}
.rail__item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(18,61,51,.55);
  font-size:13px;
  color:var(--steel);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.rail__item:hover{border-color:rgba(200,255,67,.45);color:var(--chalk)}
.rail__item.is-active{
  border-color:rgba(200,255,67,.6);
  background:rgba(200,255,67,.1);
  color:var(--chalk);
}
.rail__num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  color:var(--lime);
}

/* 入场显现（仅 JS 就绪时生效） */
html.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
html.reveal-ready [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  :root{--gutter:16px}
  .command-bar__inner{min-height:64px;gap:12px;padding-inline:16px}
  .brand{margin-right:auto}
  .brand__name{font-size:17px}
  .nav-toggle{display:inline-flex;order:2}
  .command-actions{order:3;gap:8px}
  .command-actions .btn--ghost{display:none}
  .command-actions .btn{min-height:40px;padding:0 16px;font-size:13px}

  .primary-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:block;
    max-height:0;
    overflow:hidden;
    background:linear-gradient(180deg,var(--tunnel),var(--ink));
    border-bottom:1px solid transparent;
    transition:max-height 260ms var(--ease),border-color 260ms var(--ease);
    z-index:20;
  }
  .site-header[data-open="true"] .primary-nav{
    max-height:min(72vh,540px);
    overflow-y:auto;
    border-bottom-color:var(--line);
    box-shadow:0 24px 44px rgba(0,0,0,.5);
  }
  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 12px 18px;
  }
  .primary-nav__item + .primary-nav__item{border-top:1px solid rgba(43,76,66,.5)}
  .primary-nav__link{
    padding:15px 12px;
    border-radius:10px;
    font-size:16px;
    gap:14px;
  }
  .primary-nav__index{font-size:10px;letter-spacing:.14em}

  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 24px;padding:44px 16px 36px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:860px){
  .status-rail__inner{gap:14px;font-size:10px;letter-spacing:.06em}
  .status-rail__list{gap:14px}
  .status-rail__item:nth-child(n+3){display:none}
  .status-rail__clock{font-size:9px}
  .footer-top__inner{padding:18px 16px;gap:14px}
  .footer-bottom__inner{padding:18px 16px;font-size:11px}
}

@media (max-width:600px){
  .brand__line{display:none}
  .brand__cn{font-size:10px;margin-left:4px}
  .command-actions .btn{padding:0 14px;font-size:12px}
  .nav-toggle{padding:0 14px}
  .nav-toggle__label{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:36px 16px 28px}
  .footer-top__meta{gap:6px}
  .status-chip{font-size:10px;padding:5px 11px}
  .footer-bottom__legal{gap:16px}
  .footer-bottom__links{gap:16px}
}

/* ---------- 无障碍动效 ---------- */
@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.reveal-ready [data-reveal]{opacity:1;transform:none}
  .btn:hover,.footer-col__link:hover{transform:none}
  .brand:hover .brand__mark i:nth-child(1){height:11px}
}