/* =============================================================
   九游赛场 — 共享样式表 /assets/site.css
   夜场转播指挥台：深墨绿底 · 电光青信号 · 荧光橙行动 · 金属银数据
   ============================================================= */

:root{
  --ink-900:#071C17;
  --ink-800:#0C2A22;
  --ink-700:#103528;
  --paper:#F4EBDD;
  --paper-2:#D9CDBB;
  --cyan:#35F2D0;
  --cyan-ink:#04201a;
  --orange:#FF7A1A;
  --orange-ink:#17110a;
  --silver:#A7B4B0;
  --steel:#52615D;
  --focus:#FFD166;

  --line:rgba(53,242,208,.22);
  --line-soft:rgba(217,205,187,.14);
  --line-strong:rgba(53,242,208,.55);
  --line-orange:rgba(255,122,26,.45);

  --radius:3px;
  --shadow-sm:0 1px 0 rgba(53,242,208,.06), 0 16px 34px -26px rgba(0,0,0,.95);

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

  --shell-max:1560px;
  --shell-pad:clamp(1rem, 4vw, 3rem);
  --stack:clamp(1rem, 2.5vw, 1.75rem);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 560px at 88% -12%, rgba(53,242,208,.09), transparent 62%),
    radial-gradient(880px 520px at -12% 112%, rgba(255,122,26,.07), transparent 62%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-underline-offset:.22em;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--paper);
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img,svg,video{max-width:100%;}
img{display:block;height:auto;}
button{font:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
:where([id]){scroll-margin-top:7rem;}

:where(a,button,[tabindex],summary,input,select,textarea):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(255,209,102,.32);
  border-radius:2px;
}

/* ---------- 跳转链 ---------- */
.skip-link{
  position:absolute;
  left:50%;
  top:0;
  z-index:400;
  transform:translate(-50%,-140%);
  padding:.65rem 1.1rem;
  background:var(--cyan);
  color:var(--cyan-ink);
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  transition:transform .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{
  transform:translate(-50%,0);
  outline:2px solid var(--focus);
  outline-offset:0;
}

/* =============================================================
   头部
   ============================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(7,28,23,.95);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}

/* 赛事信号条 */
.signal-bar{
  display:flex;
  align-items:center;
  gap:.8rem;
  padding:.4rem var(--shell-pad);
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(100deg, rgba(53,242,208,.10) 0%, rgba(53,242,208,0) 42%, rgba(255,122,26,.08) 100%);
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--silver);
}
.signal-bar__pulse{
  flex:none;
  width:.5rem;
  height:.5rem;
  border-radius:50%;
  background:var(--cyan);
  animation:signal-pulse 2.4s ease-out infinite;
}
.signal-bar__label{
  flex:none;
  color:var(--orange);
  font-weight:700;
  letter-spacing:.2em;
}
.signal-bar__track{
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
}
.signal-bar__track::-webkit-scrollbar{display:none;}
.signal-bar__list{
  display:flex;
  gap:1.9rem;
  white-space:nowrap;
}
.signal-bar__list li{position:relative;}
.signal-bar__list li + li::before{
  content:"/";
  position:absolute;
  left:-1.1rem;
  color:var(--steel);
}
.signal-bar__clock{
  flex:none;
  display:none;
  color:var(--steel);
  letter-spacing:.18em;
}
@keyframes signal-pulse{
  0%{box-shadow:0 0 0 0 rgba(53,242,208,.55);}
  70%{box-shadow:0 0 0 .7rem rgba(53,242,208,0);}
  100%{box-shadow:0 0 0 0 rgba(53,242,208,0);}
}

/* 品牌 + 导航行 */
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding:.7rem var(--shell-pad);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  min-width:0;
  color:var(--paper);
  transition:color .18s ease;
}
.brand:hover .brand__name{color:var(--cyan);}
.brand__mark{
  display:grid;
  place-items:center;
  flex:none;
  width:2.4rem;
  height:2.4rem;
  border:1px solid var(--line);
  border-radius:2px;
  background:linear-gradient(135deg, rgba(53,242,208,.18), rgba(53,242,208,0));
  color:var(--cyan);
  box-shadow:inset 0 0 12px rgba(53,242,208,.12);
}
.brand__pulse{
  display:block;
  width:1.4rem;
  height:1.4rem;
}
.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  min-width:0;
}
.brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.3rem;
  letter-spacing:.05em;
  transition:color .18s ease;
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:.5625rem;
  letter-spacing:.14em;
  color:var(--silver);
  white-space:nowrap;
}

/* 移动端开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.5rem;
  padding:.5rem .75rem;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  cursor:pointer;
  transition:border-color .18s ease, color .18s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:3px;
  width:1rem;
}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  background:currentColor;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(4.5px) 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(-4.5px) rotate(-45deg);}

/* 主导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(.75rem, 2vw, 1.75rem);
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(.5rem, 1.6vw, 1.4rem);
}
.site-nav__item{display:flex;}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:.4rem;
  padding:.55rem .15rem;
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--silver);
  border-bottom:1px solid transparent;
  transition:color .18s ease, border-color .18s ease;
}
.site-nav__link::before{
  content:attr(data-index);
  font-family:var(--font-mono);
  font-size:.5625rem;
  font-weight:400;
  letter-spacing:.12em;
  color:var(--steel);
  transition:color .18s ease;
}
.site-nav__link:hover{
  color:var(--paper);
  border-bottom-color:var(--line-strong);
}
.site-nav__link:hover::before{color:var(--cyan);}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}
.site-nav__link[aria-current="page"]::before{color:var(--orange);}

.site-nav__foot{
  display:flex;
  align-items:center;
  gap:.85rem;
  margin-inline-start:clamp(.25rem, 1.5vw, 1.25rem);
}
.site-nav__note{
  display:none;
  font-family:var(--font-mono);
  font-size:.5625rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
  white-space:nowrap;
}

/* 阅读进度 */
.progress-rail{
  position:relative;
  height:2px;
  background:rgba(53,242,208,.10);
  overflow:hidden;
}
.progress-rail__bar{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--cyan), var(--orange));
  will-change:transform;
}

/* =============================================================
   页脚
   ============================================================= */
.site-footer{
  position:relative;
  margin-top:clamp(2.5rem, 6vw, 5rem);
  background:var(--ink-800);
  border-top:1px solid var(--line);
  color:var(--paper-2);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(115deg, rgba(53,242,208,.05) 0 1px, transparent 1px 64px);
  pointer-events:none;
}
.site-footer::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(700px 320px at 8% 0%, rgba(53,242,208,.10), transparent 65%);
  pointer-events:none;
}
.footer-stage{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(2rem, 4vw, 3rem);
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding:clamp(2.5rem, 5vw, 4rem) var(--shell-pad) clamp(2rem, 4vw, 2.75rem);
}
.footer-brand__kicker{
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-brand__name{
  margin-top:.55rem;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2rem, 4.5vw, 3.25rem);
  line-height:1;
  letter-spacing:.02em;
  color:var(--paper);
}
.footer-brand__desc{
  margin-top:.9rem;
  max-width:34ch;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--silver);
}
.footer-brand .btn{margin-top:1.35rem;}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(130px, 1fr));
  gap:clamp(1.25rem, 3vw, 2rem);
}
.footer-col{min-width:0;}
.footer-col__title{
  margin-bottom:.9rem;
  font-family:var(--font-mono);
  font-size:.6875rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--silver);
}
.footer-col__list li + li{margin-top:.55rem;}
.footer-col__link{
  display:inline-block;
  font-size:.9375rem;
  color:var(--paper-2);
  border-bottom:1px solid transparent;
  transition:color .18s ease, border-color .18s ease;
}
.footer-col__link:hover{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

.footer-contact{
  min-width:0;
  padding-top:.25rem;
}
.footer-contact__list{
  display:grid;
  gap:.75rem;
}
.footer-contact__item{display:grid;gap:.05rem;}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:.5625rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--steel);
}
.footer-contact__value{
  font-family:var(--font-mono);
  font-size:.8125rem;
  line-height:1.6;
  color:var(--paper-2);
  overflow-wrap:anywhere;
}

.footer-base{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.5rem 1.75rem;
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding:1rem var(--shell-pad) 1.6rem;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.1em;
  color:var(--steel);
}
.footer-base__copy{color:var(--silver);}
.footer-base__icp{color:var(--silver);}
.footer-base__hours{color:var(--steel);}

/* =============================================================
   通用组件
   ============================================================= */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--shell-pad);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.625rem 1.125rem;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
  background:rgba(53,242,208,.07);
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  transition:background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn:hover{
  background:rgba(53,242,208,.16);
  border-color:var(--cyan);
  transform:translateY(-2px);
}
.btn:active{transform:translateY(0);}
.btn--cta{
  color:var(--orange-ink);
  background:var(--orange);
  border-color:var(--orange);
  font-weight:700;
}
.btn--cta:hover{
  color:var(--orange-ink);
  background:#ff9445;
  border-color:#ff9445;
}

.section-head{
  display:grid;
  gap:.4rem;
  padding-bottom:1rem;
  border-bottom:1px solid var(--line-soft);
}
.section-head__index{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(2rem, 5vw, 4rem);
  line-height:.9;
  letter-spacing:-.02em;
  color:rgba(53,242,208,.38);
}
.section-head__title{
  font-size:clamp(1.4rem, 3vw, 2.15rem);
  color:var(--paper);
}
.section-head__desc{
  max-width:62ch;
  font-size:.9375rem;
  color:var(--silver);
}

.panel{
  padding:clamp(1rem, 2.5vw, 1.75rem);
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}

.data-card,
.report-card{
  position:relative;
  display:block;
  padding:clamp(1rem, 2vw, 1.35rem);
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.data-card:hover,
.report-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  background:var(--ink-700);
}
.report-card{border-left:2px solid rgba(255,122,26,.5);}
.report-card:hover{border-left-color:var(--orange);}

.chip{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.375rem .8rem;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.12em;
  color:var(--silver);
  background:transparent;
  border:1px solid rgba(217,205,187,.24);
  border-radius:999px;
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease, background-color .18s ease;
}
.chip:hover{color:var(--paper);border-color:var(--cyan);}
.chip[aria-pressed="true"]{
  color:var(--cyan-ink);
  background:var(--cyan);
  border-color:var(--cyan);
  font-weight:600;
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.15rem .5rem;
  font-family:var(--font-mono);
  font-size:.625rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
  border:1px solid var(--line);
  border-radius:2px;
}
.tag--alert{
  color:var(--orange);
  border-color:var(--line-orange);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.12em;
  color:var(--steel);
}
.breadcrumb a{color:var(--silver);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb__sep{color:var(--steel);}
.breadcrumb [aria-current="page"]{color:var(--paper-2);}

.prose{
  max-width:72ch;
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--paper);
}
.prose > * + *{margin-top:1.1em;}
.prose h2{
  margin-top:2em;
  font-size:clamp(1.3rem, 2.4vw, 1.7rem);
  color:var(--paper);
}
.prose h3{
  margin-top:1.6em;
  font-size:1.125rem;
  color:var(--paper);
}
.prose ul,.prose ol{
  padding-inline-start:1.3em;
  list-style:disc;
}
.prose ol{list-style:decimal;}
.prose li + li{margin-top:.4em;}
.prose a{
  color:var(--cyan);
  border-bottom:1px solid rgba(53,242,208,.42);
}
.prose a:hover{border-bottom-color:var(--cyan);}
.prose strong{color:var(--paper);font-weight:700;}
.prose blockquote{
  margin-inline:0;
  padding-left:1rem;
  border-left:2px solid var(--cyan);
  color:var(--silver);
}
.prose hr{
  height:0;
  border:0;
  border-top:1px solid var(--line-soft);
  margin-block:2em;
}

.zone-paper{
  background:var(--paper);
  color:#10241f;
  border-block:1px solid var(--line-soft);
}
.zone-paper :where(h1,h2,h3,h4){color:#0a2019;}
.zone-paper .prose{color:#182e28;}
.zone-paper .prose strong{color:#0a2019;}
.zone-paper .prose a{color:#0a6b58;border-bottom-color:rgba(10,107,88,.42);}
.zone-paper .breadcrumb,
.zone-paper .breadcrumb a{color:#43635b;}
.zone-paper .section-head{border-bottom-color:rgba(7,28,23,.18);}
.zone-paper .section-head__index{color:rgba(10,107,88,.45);}
.zone-paper .section-head__title{color:#0a2019;}
.zone-paper .section-head__desc{color:#3d5a53;}

.grid{display:grid;gap:var(--stack);}
.grid--2{grid-template-columns:repeat(auto-fit, minmax(min(100%, 320px), 1fr));}

.rule{
  height:0;
  border:0;
  border-top:1px solid var(--line-soft);
  margin:0;
}

.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media-frame > img,
.media-frame > svg,
.media-frame > video,
.media-frame > picture > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--16x9{aspect-ratio:16 / 9;}
.media-frame--4x5{aspect-ratio:4 / 5;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame__tag{
  position:absolute;
  top:.7rem;
  left:.7rem;
  z-index:2;
  padding:.2rem .5rem;
  font-family:var(--font-mono);
  font-size:.625rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan-ink);
  background:var(--cyan);
}
.media-frame__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:1.75rem .9rem .8rem;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.1em;
  color:var(--paper);
  background:linear-gradient(180deg, rgba(7,28,23,0), rgba(7,28,23,.92));
}
.media-frame__placeholder{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--steel);
  background:repeating-linear-gradient(135deg, rgba(53,242,208,.07) 0 2px, transparent 2px 14px);
}

/* =============================================================
   响应式
   ============================================================= */
@media (min-width:768px){
  .signal-bar__clock{display:inline;}
  .footer-stage{grid-template-columns:repeat(2, minmax(0,1fr));}
  .footer-brand{grid-column:1 / -1;}
}

@media (min-width:1024px){
  .footer-stage{
    grid-template-columns:minmax(0,1.15fr) minmax(0,1.75fr) minmax(0,.9fr);
    align-items:start;
  }
  .footer-brand{grid-column:auto;}
}

@media (min-width:1280px){
  .site-nav__note{display:block;}
  .site-nav__link{font-size:.875rem;}
}

/* 移动端导航抽屉 */
@media (max-width:959px){
  .nav-toggle{display:inline-flex;margin-inline-start:auto;}
  .header-bar{flex-wrap:wrap;row-gap:.5rem;}

  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:1rem var(--shell-pad) 1.5rem;
    background:rgba(8,32,26,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 28px 60px -34px #000;
    max-height:calc(100vh - 5rem);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .site-nav[data-open]{display:flex;}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .site-nav__item{width:100%;}
  .site-nav__item + .site-nav__item{border-top:1px solid var(--line-soft);}
  .site-nav__link{
    width:100%;
    padding:.9rem .1rem;
    font-size:1rem;
    border-bottom:0;
  }
  .site-nav__link::before{font-size:.6875rem;}
  .site-nav__link[aria-current="page"]{border-bottom:0;}
  .site-nav__foot{
    margin:1.1rem 0 0;
    flex-direction:column;
    align-items:stretch;
    gap:.6rem;
  }
  .site-nav__foot .btn{width:100%;}
  .site-nav__note{display:block;text-align:center;}

  .brand__name{font-size:1.15rem;}
  .brand__sub{font-size:.5rem;letter-spacing:.1em;}
}

@media (max-width:520px){
  .brand__sub{display:none;}
  .signal-bar{font-size:.625rem;letter-spacing:.12em;}
  .signal-bar__list{gap:1.4rem;}
  .footer-base{flex-direction:column;align-items:flex-start;}
}

@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;
  }
  .signal-bar__pulse{animation:none;box-shadow:0 0 0 3px rgba(53,242,208,.18);}
  .data-card:hover,.report-card:hover,.btn:hover{transform:none;}
}