/* =========================================================
   明博体育赛场 · 共享站点样式 /assets/site.css
   夜间球场俯瞰 · 蓝图外框 · 记分牌数据感
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}

/* ---------- 2. 变量 ---------- */
:root{
  /* 夜间球场色板 */
  --ink:#071C1A;
  --ink-deep:#04110F;
  --night:#0B2B45;
  --night-deep:#061625;
  --lime:#C6FF3D;
  --lime-soft:#DCFF88;
  --flame:#FF5A36;
  --flame-soft:#FFB39E;
  --paper:#F4F7EC;
  --paper-deep:#E4EBD6;
  --mist:#9FB6AA;
  --wire:#3E625C;
  --sky:#7BB7FF;
  --glow:#F6C85F;

  /* 字体 */
  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;

  /* 尺度 */
  --wrap:1240px;
  --gutter:clamp(16px,4.2vw,44px);
  --nav-h:66px;
  --header-h:64px;
  --radius:2px;
  --line:1px solid var(--wire);
}

/* ---------- 3. 基准与中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.012em;
  color:var(--paper);
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(62,98,92,.22) 0,rgba(62,98,92,.22) 1px,transparent 1px);
  background-size:96px 100%;
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4{line-height:1.2;font-weight:700;text-wrap:balance}
p{text-wrap:pretty}
::selection{background:var(--lime);color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px}
#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ---------- 4. 工具类 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.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}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.display{
  font-family:var(--font-display);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:-.005em;
  line-height:.98;
  font-size:clamp(2.4rem,5.4vw,4.6rem);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.65em;
  font-family:var(--font-mono);font-size:.7rem;font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:var(--lime);
}
.eyebrow::before{content:"";width:24px;height:1px;background:currentColor;flex:none}
.lede{font-size:clamp(1rem,1.5vw,1.15rem);line-height:1.8;color:var(--mist);max-width:62ch}
.rule{height:1px;background:var(--wire);border:0;margin:0}
.prose{max-width:68ch;font-size:1.01rem;line-height:1.85}
.prose > * + *{margin-top:1.05em}
.prose h2,.prose h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;margin-top:1.8em}
.prose a{color:var(--sky);text-decoration:underline;text-underline-offset:3px}

/* 区块 */
.section{position:relative;padding-block:clamp(46px,7vw,92px)}
.section--night{background:var(--night);color:var(--paper)}
.section--night::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:repeating-linear-gradient(90deg,var(--wire) 0 16px,transparent 16px 32px);opacity:.8;
}
.section--paper{
  background-color:var(--paper);color:#0A1F1D;
  background-image:linear-gradient(90deg,rgba(62,98,92,.13) 0,rgba(62,98,92,.13) 1px,transparent 1px);
  background-size:96px 100%;
}
.section--paper .eyebrow{color:#2C6B4C}
.section--paper .lede{color:#3D5A52}
.section--paper .rule{background:rgba(62,98,92,.3)}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(12px,2vw,28px);margin-bottom:clamp(24px,3.4vw,44px)}
.section__head > .display{margin-right:auto}

/* 网格 */
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.stack > * + *{margin-top:clamp(10px,1.4vw,18px)}

/* ---------- 5. 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  letter-spacing:.09em;font-size:.94rem;line-height:1;
  padding:.85em 1.25em;border:1px solid transparent;border-radius:var(--radius);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--sm{font-size:.82rem;padding:.72em 1em;letter-spacing:.08em}
.btn--lime{background:var(--lime);color:var(--ink-deep);border-color:var(--lime)}
.btn--lime:hover{background:var(--lime-soft);border-color:var(--lime-soft)}
.btn--flame{background:var(--flame);color:#1A0602;border-color:var(--flame)}
.btn--flame:hover{background:#FF7A5C;border-color:#FF7A5C}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--wire)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.section--paper .btn--ghost{color:#0A1F1D;border-color:rgba(62,98,92,.5)}
.section--paper .btn--ghost:hover{border-color:#2C6B4C;color:#2C6B4C}

.tag{
  display:inline-flex;align-items:center;gap:.45em;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  padding:.34em .62em;border:1px solid var(--wire);color:var(--mist);border-radius:var(--radius);
  line-height:1.4;
}
.tag--lime{border-color:rgba(198,255,61,.5);color:var(--lime);background:rgba(198,255,61,.08)}
.tag--flame{border-color:rgba(255,90,54,.5);color:var(--flame-soft);background:rgba(255,90,54,.1)}
.section--paper .tag{border-color:rgba(62,98,92,.4);color:#3D5A52}
.section--paper .tag--lime{border-color:rgba(44,107,76,.45);color:#2C6B4C;background:rgba(44,107,76,.08)}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb{padding-block:16px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:.55em;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--mist)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:.55em}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--wire)}
.breadcrumb__link:hover{color:var(--lime)}
.breadcrumb__current{color:var(--paper)}
.section--paper .breadcrumb__list{color:#3D5A52}
.section--paper .breadcrumb__current{color:#0A1F1D}

/* ---------- 7. 媒体容器（供页面阶段放图） ---------- */
.media{
  position:relative;overflow:hidden;background:var(--night);
  border:1px solid var(--wire);border-radius:var(--radius);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,28,26,0) 55%,rgba(7,28,26,.55) 100%);
}
.media__img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--stadium{aspect-ratio:21/9}
.media__label{
  position:absolute;left:0;bottom:0;z-index:2;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  background:var(--ink);color:var(--lime);padding:.45em .8em;border-top:1px solid var(--wire);border-right:1px solid var(--wire);
}

/* ---------- 8. 卡片 ---------- */
.card{
  position:relative;background:var(--night);border:1px solid var(--wire);
  border-radius:var(--radius);padding:clamp(16px,2.2vw,26px);
}
.card__meta{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mist)}
.section--paper .card{background:#FFFFFF;border-color:rgba(62,98,92,.28);color:#0A1F1D}

/* ---------- 9. 头部 ---------- */
.skip-link{
  position:fixed;top:0;left:50%;z-index:200;
  transform:translate(-50%,-160%);
  background:var(--lime);color:var(--ink-deep);
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.1em;
  padding:.72em 1.3em;border-radius:0 0 var(--radius) var(--radius);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--ink);
  border-bottom:1px solid var(--wire);
}
.site-header__inner{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:12px var(--gutter);
  display:flex;align-items:center;gap:clamp(12px,2.4vw,28px);
  min-height:var(--header-h);
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  position:relative;width:34px;height:34px;flex:none;
  border:1px solid var(--lime);border-radius:var(--radius);
  transition:box-shadow .25s ease;
}
.brand__mark::before{content:"";position:absolute;inset:7px;border:1px solid rgba(198,255,61,.5)}
.brand__mark::after{
  content:"";position:absolute;left:50%;top:7px;bottom:7px;width:1px;
  background:rgba(198,255,61,.5);transform:translateX(-.5px);
}
.brand:hover .brand__mark{box-shadow:0 0 0 3px rgba(198,255,61,.16)}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.05}
.brand__name{
  font-family:var(--font-display);font-weight:800;font-size:1.12rem;
  letter-spacing:.06em;color:var(--paper);white-space:nowrap;
}
.brand__tag{
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--wire);white-space:nowrap;
}

.site-header__status{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;
  color:var(--mist);border:1px solid var(--wire);border-radius:var(--radius);
  padding:6px 11px;white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;flex:none;border-radius:50%;
  background:var(--lime);box-shadow:0 0 10px rgba(198,255,61,.85);
  animation:arena-pulse 2.6s ease-in-out infinite;
}
@keyframes arena-pulse{0%,100%{opacity:1}50%{opacity:.35}}

.site-header__actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.site-header__progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:transparent;overflow:hidden;pointer-events:none;
}
.site-header__progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--lime),var(--glow) 55%,var(--flame));
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  border:1px solid var(--wire);border-radius:var(--radius);
  padding:9px 12px;color:var(--paper);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle[aria-expanded="true"]{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3.5px;width:16px}
.nav-toggle__bars span{
  display:block;height:1.5px;width:100%;background:currentColor;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 10. 底部框架式导航 ---------- */
.site-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:linear-gradient(180deg,rgba(11,43,69,.98),rgba(7,28,26,1));
  border-top:1px solid var(--wire);
  box-shadow:0 -18px 42px rgba(0,0,0,.5);
}
.site-nav__inner{
  width:100%;max-width:var(--wrap);margin-inline:auto;
  padding:0 var(--gutter);
  height:var(--nav-h);
  display:flex;align-items:stretch;
}
.site-nav__flag{
  display:none;
  align-items:center;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;
  color:var(--wire);text-transform:uppercase;white-space:nowrap;
  padding-right:20px;margin-right:20px;border-right:1px solid var(--wire);
}
.site-nav__list{display:flex;align-items:stretch;width:100%;justify-content:space-between}
.site-nav__item{flex:1 1 0;min-width:0;display:flex}
.site-nav__link{
  position:relative;flex:1;
  display:flex;align-items:center;justify-content:center;gap:.55em;
  padding:0 .55em;height:100%;
  font-family:var(--font-display);font-weight:700;font-size:.94rem;letter-spacing:.07em;
  color:var(--mist);
  border-top:2px solid transparent;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.site-nav__item + .site-nav__item .site-nav__link{border-left:1px solid rgba(62,98,92,.4)}
.site-nav__link:hover{color:var(--paper);background:rgba(198,255,61,.07)}
.site-nav__link[aria-current="page"]{
  color:var(--lime);border-top-color:var(--lime);
  background:rgba(198,255,61,.09);
}
.site-nav__index{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.08em;
  color:var(--wire);transition:color .2s ease;
}
.site-nav__link:hover .site-nav__index{color:var(--mist)}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--lime)}
.site-nav__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,var(--ink) 0%,var(--night) 48%,var(--night-deep) 100%);
  border-top:1px solid var(--wire);
  color:var(--mist);
  padding:clamp(42px,6vw,78px) 0 calc(var(--nav-h) + 34px);
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:repeating-linear-gradient(90deg,var(--wire) 0 14px,transparent 14px 28px);
  opacity:.85;
}
.site-footer__top{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);
  gap:clamp(26px,4vw,60px);
  padding-top:clamp(18px,3vw,32px);
}
.site-footer__mark{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.5rem,3vw,2.15rem);letter-spacing:.03em;line-height:1.05;
  color:var(--paper);
}
.site-footer__line{margin-top:8px;font-size:.95rem;color:var(--mist)}
.site-footer__note{
  margin-top:14px;font-family:var(--font-mono);font-size:.68rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--wire);
}
.site-footer__cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,3vw,36px);
}
.site-footer__col-title{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--lime);
  padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--wire);
}
.site-footer__list{display:flex;flex-direction:column;gap:9px}
.site-footer__link{
  display:inline-flex;align-items:center;gap:.5em;
  font-size:.95rem;color:var(--mist);
  transition:color .2s ease,transform .2s ease;
}
.site-footer__link::before{
  content:"";width:8px;height:1px;background:var(--wire);flex:none;
  transition:width .2s ease,background-color .2s ease;
}
.site-footer__link:hover{color:var(--lime)}
.site-footer__link:hover::before{width:16px;background:var(--lime)}

.site-footer__contact{
  margin-top:clamp(28px,4vw,46px);
  padding-top:clamp(20px,3vw,32px);
  border-top:1px solid rgba(62,98,92,.55);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:10px 32px;
}
.site-footer__contact-row{display:flex;align-items:baseline;gap:12px;font-size:.92rem;color:var(--paper)}
.site-footer__contact-key{
  flex:none;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--wire);
}
.site-footer__contact-val{word-break:break-word}
.site-footer__fine{font-size:.78rem;line-height:1.7;color:var(--mist)}
.site-footer__contact .site-footer__fine{grid-column:1/-1;color:var(--wire);max-width:64ch}

.site-footer__bottom{
  margin-top:clamp(26px,3.6vw,40px);padding-top:16px;
  border-top:1px solid rgba(62,98,92,.55);
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;
}
.site-footer__bottom .site-footer__fine{color:var(--mist)}

/* ---------- 12. 标签页组件 ---------- */
.tabs{position:relative}
.tabs__list{
  display:flex;flex-wrap:wrap;gap:2px;
  border-bottom:1px solid var(--wire);
}
.tabs__tab{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  padding:.85em 1.15em;color:var(--mist);
  border:1px solid transparent;border-bottom:2px solid transparent;
  margin-bottom:-1px;border-radius:var(--radius) var(--radius) 0 0;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.tabs__tab:hover{color:var(--paper);background:rgba(198,255,61,.06)}
.tabs__tab[aria-selected="true"]{
  color:var(--lime);border-bottom-color:var(--lime);
  background:rgba(198,255,61,.08);
}
.tabs__panel{padding-top:clamp(16px,2.4vw,26px)}
.section--paper .tabs__list{border-bottom-color:rgba(62,98,92,.35)}
.section--paper .tabs__tab{color:#3D5A52}
.section--paper .tabs__tab[aria-selected="true"]{color:#2C6B4C;border-bottom-color:#2C6B4C;background:rgba(44,107,76,.08)}

/* ---------- 13. 显现动效 ---------- */
.js [data-reveal]{
  opacity:0;transform:translateY(20px);
  transition:opacity .55s ease,transform .55s cubic-bezier(.22,.75,.28,1);
  transition-delay:calc(var(--reveal-i,0) * 55ms);
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 14. 响应式 ---------- */
@media (min-width:900px){
  .site-nav__flag{display:flex}
}

@media (max-width:899px){
  :root{--nav-h:0px;--header-h:60px}
  .site-header__status{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{
    transform:translateY(100%);
    visibility:hidden;
    transition:transform .3s cubic-bezier(.22,.75,.28,1),visibility .3s linear;
    box-shadow:0 -22px 48px rgba(0,0,0,.6);
    --nav-h:auto;
  }
  .site-nav[data-open]{transform:translateY(0);visibility:visible}
  .site-nav__inner{
    height:auto;flex-direction:column;
    padding:10px 12px calc(16px + env(safe-area-inset-bottom,0px));
  }
  .site-nav__list{flex-wrap:wrap;gap:6px}
  .site-nav__item{flex:1 1 46%;display:flex}
  .site-nav__link{
    justify-content:flex-start;gap:.7em;
    padding:13px 14px;height:auto;
    border-top:0;border-left:2px solid transparent;
    background:rgba(244,247,236,.04);
    font-size:.95rem;
  }
  .site-nav__item + .site-nav__item .site-nav__link{border-left:2px solid transparent}
  .site-nav__link[aria-current="page"]{
    border-top-color:transparent;border-left-color:var(--lime);
    background:rgba(198,255,61,.1);
  }
  .site-footer{padding-bottom:clamp(38px,7vw,56px)}
  .site-footer__top{grid-template-columns:minmax(0,1fr)}
  .site-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:760px){
  body{font-size:16px;background-size:64px 100%}
  .grid--12{grid-template-columns:minmax(0,1fr)}
  .grid--12 > *{grid-column:1 / -1}
  .brand__tag{display:none}
  .site-footer__contact{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:640px){
  .site-header__cta{display:none}
  .site-footer__cols{grid-template-columns:minmax(0,1fr);gap:22px}
  .site-footer__contact-row{flex-direction:column;gap:2px}
  .site-nav__item{flex:1 1 100%}
  .display{font-size:clamp(2rem,9vw,3rem)}
}

/* ---------- 15. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .status-dot{animation:none}
}