/* ==========================================================================
   ZOTY 中欧体育看台 · site.css
   夜场指挥台：墨绿暗部 + 蓝图网格 + 信号橙边线 + 数据浅青 + 暖纸旁注
   ========================================================================== */

:root{
  --ink-deep:#081C17;
  --ink-struct:#101A18;
  --concrete:#2D3835;
  --paper:#F3F7F4;
  --cyan:#7FE7D4;
  --signal:#FF6B1A;
  --paper-warm:#E8DCC3;
  --sage:#91A69F;
  --print-yellow:#F4C84A;

  --line:rgba(145,166,159,.22);
  --line-strong:rgba(145,166,159,.38);
  --line-soft:rgba(145,166,159,.12);

  --font-display:"Barlow Condensed","Oswald","Arial Narrow","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --gap:24px;
  --radius:3px;
  --edge:clamp(18px,4vw,48px);
  --header-h:76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-deep);
  background-image:
    linear-gradient(90deg,rgba(45,56,53,.30) 0 1px,transparent 1px),
    linear-gradient(0deg,rgba(45,56,53,.18) 0 1px,transparent 1px);
  background-size:112px 112px,112px 112px;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
main{display:block}
::selection{background:var(--signal);color:#08120F}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.08;
  letter-spacing:.01em;
}
h1{font-size:clamp(38px,6vw,64px)}
h2{font-size:clamp(26px,3.4vw,40px)}
h3{font-size:clamp(20px,2.2vw,26px)}
p{margin-block:0 1em}
strong{font-weight:700}

/* ---------- 通用容器与节奏 ---------- */
.container{
  width:100%;
  max-width:1320px;
  margin-inline:auto;
  padding-inline:var(--edge);
}
.section{position:relative;padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(28px,4vw,56px)}

.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.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}

.rule{height:1px;background:var(--line);border:0;margin-block:20px}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;
  color:var(--cyan);text-transform:uppercase;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--signal);flex:0 0 auto}
.data-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.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;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  font-family:var(--font-body);font-size:14px;font-weight:600;letter-spacing:.05em;
  text-decoration:none;border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;transition:background-color .2s,color .2s,border-color .2s,box-shadow .2s;
}
.btn--signal{background:var(--signal);color:#0A1B16;border-color:var(--signal)}
.btn--signal:hover{background:#FF8340;border-color:#FF8340}
.btn--signal:focus-visible{outline-color:var(--paper)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line-strong)}
.btn--ghost:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;display:block;width:100%;
  overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,#0C231D 0%,#143029 55%,#0A1F1A 100%);
  isolation:isolate;
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background-image:
    linear-gradient(90deg,rgba(145,166,159,.18) 0 1px,transparent 1px),
    linear-gradient(0deg,rgba(145,166,159,.14) 0 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.8;
}
.media-frame img{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--plate{aspect-ratio:4/3}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--banner{aspect-ratio:21/9}
.media-frame--cut{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 40px),calc(100% - 40px) 100%,0 100%);
}
.media-frame__caption{
  position:absolute;left:0;bottom:16px;z-index:3;
  padding:5px 12px;
  background:rgba(8,28,23,.78);
  border-left:2px solid var(--signal);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--paper);
}

/* ---------- 面板与旁注 ---------- */
.panel{
  position:relative;
  background:var(--ink-struct);
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,30px);
  border-radius:var(--radius);
}
.panel--paper{background:var(--paper-warm);border-color:#CFC2A6;color:#1B2620}
.panel--paper .kicker{color:#6B4A17}
.panel--paper .kicker::before{background:#8A5A1C}
.note-strip{
  background:var(--paper-warm);
  color:#1B2620;
  border-left:3px solid var(--signal);
  padding:16px 20px;
  font-family:var(--font-serif);
  font-size:14px;
  line-height:1.85;
  border-radius:0 var(--radius) var(--radius) 0;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:20px 0;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--sage);
}
.breadcrumb a{color:var(--sage);text-decoration:none;border-bottom:1px solid transparent;transition:color .18s,border-color .18s}
.breadcrumb a:hover{color:var(--cyan);border-color:var(--cyan)}
.breadcrumb__sep{color:var(--concrete)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  transform:translateY(-180%);
  padding:10px 18px;
  background:var(--signal);color:#0A1B16;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;
  text-decoration:none;border-radius:var(--radius);
  transition:transform .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);outline:2px solid var(--paper);outline-offset:2px}

/* ==========================================================================
   HEADER —— 框架式导航，页面外框的一部分
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,28,23,.94);
  border-bottom:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(8px) saturate(140%);
  backdrop-filter:blur(8px) saturate(140%);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(8,28,23,.99);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
}

.site-header__rail{
  display:flex;align-items:center;gap:18px;
  height:26px;
  padding-inline:var(--edge);
  background:var(--ink-struct);
  border-bottom:1px solid var(--line-soft);
}
.rail-meta{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.22em;
  color:var(--sage);text-transform:uppercase;white-space:nowrap;
}
.rail-meta--num{color:var(--cyan);letter-spacing:.14em}
.rail-scale{
  flex:1 1 auto;height:8px;align-self:center;
  background-image:repeating-linear-gradient(90deg,rgba(145,166,159,.45) 0 1px,transparent 1px 16px);
  border-bottom:1px solid rgba(145,166,159,.22);
}

.site-header__main{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:24px;
  min-height:var(--header-h);
  max-width:1440px;
  margin-inline:auto;
  padding-inline:var(--edge);
}

/* 品牌锁定 */
.brand{
  display:flex;align-items:center;gap:12px;
  text-decoration:none;color:var(--paper);
}
.brand__mark{
  display:grid;place-items:center;
  width:40px;height:40px;
  border:1px solid var(--signal);
  background:linear-gradient(160deg,rgba(255,107,26,.20),rgba(255,107,26,0) 72%);
  color:var(--signal);
  font-family:var(--font-display);font-weight:700;font-size:23px;line-height:1;
}
.brand__text{display:flex;flex-direction:column;line-height:1.22}
.brand__name{font-family:var(--font-display);font-size:19px;font-weight:700;letter-spacing:.045em}
.brand__tagline{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:var(--sage);
}
.brand:hover .brand__name{color:var(--cyan)}

/* 栏目索引 */
.site-nav{display:flex;justify-content:center;min-width:0}
.site-nav__list{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.site-nav__item{list-style:none}
.site-nav__link{
  position:relative;
  display:flex;align-items:baseline;gap:7px;
  padding:12px 14px;
  text-decoration:none;
  color:#C7D4CE;
  font-size:14.5px;letter-spacing:.02em;
  transition:color .18s ease;
}
.site-nav__index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;
  color:var(--sage);transition:color .18s ease;
}
.site-nav__label{white-space:nowrap}
.site-nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--signal);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link:hover .site-nav__index{color:var(--cyan)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--signal)}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--signal)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__cta{display:none}

/* 右侧动作 */
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 12px;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  color:var(--paper);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__label{line-height:1}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:var(--signal);transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

/* 滚动进度边线 */
.header-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(243,247,244,.05);
  overflow:hidden;
}
.header-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--signal) 0%,var(--print-yellow) 46%,var(--cyan) 100%);
  transition:transform .12s linear;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,110px);
  background:var(--ink-struct);
  border-top:1px solid var(--line-strong);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(90deg,var(--line-soft) 0 1px,transparent 1px),
    linear-gradient(0deg,var(--line-soft) 0 1px,transparent 1px);
  background-size:128px 128px;
  opacity:.9;
}
.site-footer__top{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1.5fr .85fr .85fr 1.15fr;
  gap:clamp(24px,3vw,52px);
  max-width:1320px;
  margin-inline:auto;
  padding:clamp(44px,5vw,68px) var(--edge) clamp(32px,4vw,52px);
}

.footer-brand{min-width:0}
.footer-lockup{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  font-family:var(--font-display);font-size:30px;font-weight:700;
  letter-spacing:.07em;line-height:1;color:var(--paper);
}
.footer-lockup span{
  font-family:var(--font-body);font-size:14px;font-weight:500;
  letter-spacing:.16em;color:var(--sage);
}
.footer-motto{
  margin:12px 0 0;
  font-family:var(--font-serif);font-size:14px;letter-spacing:.18em;
  color:var(--print-yellow);
}
.site-footer__intro{
  margin:16px 0 0;max-width:34em;
  font-size:13.5px;line-height:1.85;color:var(--sage);
}
.footer-stamp{
  display:inline-block;margin-top:22px;padding:6px 12px;
  border:1px dashed var(--line-strong);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  color:var(--cyan);
}

.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 16px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.24em;color:var(--print-yellow);
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-list__item{list-style:none}
.footer-link{
  display:inline-flex;align-items:center;gap:9px;
  color:#BCC9C3;text-decoration:none;font-size:14px;
  transition:color .18s ease;
}
.footer-link::before{
  content:"";flex:0 0 auto;width:12px;height:1px;background:var(--concrete);
  transition:width .22s ease,background-color .22s ease;
}
.footer-link:hover{color:var(--cyan)}
.footer-link:hover::before{width:20px;background:var(--signal)}

.footer-contact{display:flex;flex-direction:column;gap:0}
.contact-row{display:grid;gap:2px;margin-bottom:14px}
.contact-row__label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  color:var(--sage);
}
.contact-row__value{font-size:13.5px;line-height:1.6;color:var(--paper);word-break:break-word}
.footer-note{
  margin:6px 0 0;
  padding:14px 16px;
  background:var(--paper-warm);color:#1B2620;
  border-left:3px solid var(--signal);
  border-radius:0 var(--radius) var(--radius) 0;
  font-family:var(--font-serif);font-size:12.5px;line-height:1.8;
}

.site-footer__base{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  max-width:1320px;margin-inline:auto;
  padding:20px var(--edge) clamp(28px,4vw,44px);
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--sage);
}
.legal-links{display:flex;flex-wrap:wrap;gap:18px;list-style:none;margin:0;padding:0}
.legal-links li{list-style:none}
.legal-link{
  color:#BCC9C3;text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.legal-link:hover{color:var(--signal);border-color:var(--signal)}
.footer-icp{margin:0}
.footer-copy{margin:0 0 0 auto}

/* ==========================================================================
   动效
   ========================================================================== */
.reveal-init{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);
  will-change:opacity,transform;
}
.reveal-init.is-revealed{opacity:1;transform:none;will-change:auto}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1280px){
  .site-nav__index{display:none}
  .site-nav__link{padding:12px 11px;font-size:13.5px}
  .brand__name{font-size:17.5px}
}

@media (max-width:1040px){
  :root{--gap:18px;--header-h:64px}

  .site-header__rail{display:none}
  .site-header__main{
    grid-template-columns:1fr auto;
    gap:12px;
    min-height:var(--header-h);
    padding-block:10px;
  }
  .brand__mark{width:34px;height:34px;font-size:19px}
  .brand__name{font-size:16.5px;letter-spacing:.03em}
  .brand__tagline{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}

  /* 移动端：底部升起的索引面板 */
  .site-nav{
    position:fixed;
    left:10px;right:10px;bottom:10px;top:auto;
    z-index:120;
    display:block;
    max-height:min(76vh,600px);
    overflow:auto;
    padding:18px 16px 16px;
    background:#0B221C;
    border:1px solid var(--line-strong);
    border-radius:16px 16px 8px 8px;
    box-shadow:0 -20px 48px rgba(0,0,0,.5);
    transform:translateY(calc(100% + 32px));
    opacity:0;visibility:hidden;
    transition:transform .3s cubic-bezier(.2,.7,.3,1),opacity .22s ease,visibility .3s ease;
  }
  .site-nav[data-open]{
    transform:none;
    opacity:1;
    visibility:visible;
  }
  .site-nav__list{flex-direction:column;gap:0}
  .site-nav__index{display:inline-block;font-size:10.5px;color:var(--sage)}
  .site-nav__link{
    justify-content:flex-start;
    padding:14px 6px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .site-nav__link::after{left:6px;right:auto;width:24px;bottom:0;height:2px}
  .site-nav__cta{
    display:flex;align-items:center;justify-content:center;
    margin-top:16px;padding:14px;
    background:var(--signal);color:#0A1B16;
    font-weight:700;letter-spacing:.06em;text-decoration:none;
    border-radius:var(--radius);
  }

  .grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3{grid-column:span 3}
  .span-4{grid-column:span 6}
  .span-5{grid-column:span 6}
  .span-6{grid-column:span 6}
  .span-7{grid-column:span 6}
  .span-8{grid-column:span 6}
  .span-12{grid-column:span 6}

  .site-footer__top{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .grid{grid-template-columns:1fr}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:1 / -1}
  .site-footer__top{grid-template-columns:1fr}
  .site-footer__base{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-copy{margin-left:0}
  .footer-lockup{font-size:26px}
  .media-frame--cut{clip-path:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal-init{opacity:1;transform:none;transition:none}
  .header-progress__bar{transition:none}
}