/* ============================================================
   乐宝体育 · 全站共享样式 /assets/site.css
   外框导航 · 左右分屏 · 夜间球场数据面板
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --c-ink:#08110F;
  --c-green:#0E1A17;
  --c-panel:#14251F;
  --c-line:#1D332B;
  --c-lime:#B7FF3C;
  --c-lime-mid:#86C41F;
  --c-orange:#FF6A2B;
  --c-steel:#9DB2BF;
  --c-steel-mid:#5E7480;
  --c-paper:#F2F5F3;
  --c-paper-card:#EDF1E9;
  --c-wire:#D8E0DC;

  --wire-line:rgba(216,224,220,.28);
  --wire-hair:rgba(216,224,220,.12);
  --lime-soft:rgba(183,255,60,.42);
  --orange-soft:rgba(255,106,43,.42);

  --f-display:'Barlow Condensed','Oswald','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --f-body:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --f-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --fs-h1:clamp(32px,4.4vw,64px);
  --fs-h2:clamp(24px,2.6vw,40px);
  --fs-h3:clamp(18px,1.6vw,26px);
  --fs-body:clamp(16px,1.05vw,18px);
  --fs-cap:13px;
  --fs-num-xl:clamp(44px,7vw,120px);
  --fs-num-md:clamp(20px,2.4vw,36px);

  --header-h:72px;
  --page-max:1440px;
  --gutter:clamp(16px,3vw,40px);
  --frame:1px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:.34s;
}

/* ---------- 2. 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--f-body);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--c-paper);
  background-color:var(--c-ink);
  background-image:
    radial-gradient(1100px 560px at 10% -8%,rgba(183,255,60,.055),transparent 62%),
    radial-gradient(900px 520px at 102% 2%,rgba(255,106,43,.05),transparent 62%);
  background-attachment:fixed;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.04;
  color:#ffffff;
  background-image:radial-gradient(currentColor 1px,transparent 1px);
  background-size:3px 3px;
}

img,svg,video{max-width:100%;display:block;}
h1,h2,h3,h4,p,figure,dl,dd{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}

h1,h2,h3{font-family:var(--f-display);font-weight:800;letter-spacing:.02em;line-height:1.08;}
h1{font-size:var(--fs-h1);}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);}

::selection{background:var(--c-lime);color:var(--c-ink);}

:focus-visible{
  outline:2px solid var(--c-lime);
  outline-offset:3px;
}
:focus:not(:focus-visible){outline:none;}

.skip-link{
  position:absolute;
  top:-72px;
  left:12px;
  z-index:200;
  padding:10px 18px;
  background:var(--c-lime);
  color:var(--c-ink);
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:.08em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- 3. 头部外框 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(8,17,15,.99),rgba(8,17,15,.9));
  border-bottom:var(--frame) solid var(--wire-line);
  border-left:var(--frame) solid var(--wire-line);
  backdrop-filter:blur(10px);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--c-lime) 0%,var(--c-lime-mid) 52%,var(--c-orange) 100%);
  opacity:.9;
}
.site-header.is-scrolled{
  box-shadow:0 10px 28px rgba(0,0,0,.5);
  background:linear-gradient(180deg,rgba(8,17,15,1),rgba(12,24,20,.96));
}

.header-inner{
  position:relative;
  max-width:var(--page-max);
  margin:0 auto;
  min-height:var(--header-h);
  padding:0 var(--gutter);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(14px,2.4vw,40px);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:8px 0;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  background:var(--c-lime);
  color:var(--c-ink);
  font-family:var(--f-display);
  font-size:19px;
  font-weight:800;
  box-shadow:3px 3px 0 rgba(216,224,220,.45);
  transform:translate(-1px,-1px);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.brand:hover .brand-mark{
  transform:translate(-2px,-2px);
  box-shadow:4px 4px 0 var(--c-orange);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{
  font-family:var(--f-display);
  font-size:21px;
  font-weight:800;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--c-paper);
}
.brand-sub{
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.18em;
  color:var(--c-steel);
}

/* 主导航 */
.primary-nav{display:flex;justify-content:center;min-width:0;}
.nav-list{display:flex;align-items:center;gap:clamp(2px,1vw,12px);}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:12px 12px;
  font-family:var(--f-display);
  font-size:16.5px;
  font-weight:700;
  letter-spacing:.03em;
  color:var(--c-steel);
  white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.nav-idx{
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:.08em;
  color:var(--c-steel-mid);
  transition:color .24s var(--ease);
}
.nav-link:hover{color:var(--c-paper);transform:translateY(-2px);border-bottom-color:var(--c-lime);}
.nav-link:hover .nav-idx{color:var(--c-lime);}
.nav-link[aria-current="page"]{color:var(--c-lime);}
.nav-link[aria-current="page"] .nav-idx{color:var(--c-lime-mid);}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  background:var(--c-lime);
}

.nav-foot{display:none;}

/* 工具区 */
.header-tools{display:flex;align-items:center;gap:clamp(8px,1.2vw,18px);}
.link-util{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-steel);
  padding:6px 2px;
  border-bottom:1px dashed transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.link-util:hover{color:var(--c-lime);border-bottom-color:var(--c-lime);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--c-paper);
  background:transparent;
  border:1px solid var(--wire-line);
  transition:transform .2s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:var(--c-lime);color:var(--c-lime);}
.btn:active{transform:translateY(-1px);}
.btn-primary{
  color:var(--c-lime);
  border-color:var(--lime-soft);
  font-weight:700;
}
.btn-primary:hover{
  background:var(--c-lime);
  border-color:var(--c-lime);
  color:var(--c-ink);
}
.btn-ghost{
  color:var(--c-steel);
  border-color:var(--wire-hair);
}
.btn-ghost:hover{color:var(--c-paper);border-color:var(--wire-line);}
.btn-block{width:100%;}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 13px;
  border:1px solid var(--wire-line);
  transition:border-color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-lime);}
.nav-toggle-box{
  display:inline-flex;
  flex-direction:column;
  justify-content:space-between;
  width:18px;
  height:12px;
}
.nav-toggle-box span{
  display:block;
  height:2px;
  background:var(--c-paper);
  transition:transform .26s var(--ease),opacity .18s linear,background .24s var(--ease);
}
.nav-toggle-label{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-steel);
}
.nav-toggle[aria-expanded="true"]{border-color:var(--c-lime);}
.nav-toggle[aria-expanded="true"] .nav-toggle-box span{background:var(--c-lime);}
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* HUD 刻度带 */
.header-ruler{
  height:8px;
  border-top:1px solid var(--wire-hair);
  background-image:repeating-linear-gradient(90deg,var(--wire-line) 0 1px,transparent 1px 28px);
  opacity:.85;
}

body.is-nav-open{overflow:hidden;}

/* ---------- 4. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  background:linear-gradient(180deg,var(--c-green),var(--c-ink));
  border-top:var(--frame) solid var(--wire-line);
  border-left:var(--frame) solid var(--wire-line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  height:3px;
  width:min(38%,360px);
  background:linear-gradient(90deg,var(--c-lime) 0 62%,var(--c-orange) 62% 100%);
}

.footer-inner{
  max-width:var(--page-max);
  margin:0 auto;
  padding:clamp(40px,5vw,76px) var(--gutter) clamp(24px,3vw,44px);
  display:grid;
  grid-template-columns:minmax(0,38fr) minmax(0,62fr);
  gap:clamp(28px,4vw,64px);
}

.footer-mark{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--f-display);
  font-size:26px;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--c-paper);
}
.footer-mark-box{
  width:30px;height:30px;
  display:grid;place-items:center;
  background:var(--c-lime);
  color:var(--c-ink);
  font-size:17px;
  box-shadow:3px 3px 0 rgba(216,224,220,.4);
}
.footer-tag{
  margin-top:14px;
  max-width:24em;
  font-size:15px;
  color:var(--c-steel);
}

.footer-contact{
  margin-top:26px;
  display:grid;
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
}
.contact-row{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:12px;
  padding:11px 14px;
  background:var(--c-ink);
}
.contact-row dt{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-steel-mid);
}
.contact-row dd{
  font-family:var(--f-mono);
  font-size:13px;
  color:var(--c-steel);
  word-break:break-word;
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-col-title{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--c-lime);
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.footer-links{margin-top:14px;display:grid;gap:10px;}
.footer-links a{
  display:inline-block;
  font-size:15px;
  color:var(--c-steel);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-links a:hover{color:var(--c-paper);transform:translateX(3px);}

.footer-legal{
  max-width:var(--page-max);
  margin:0 auto;
  padding:18px var(--gutter) 30px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
}
.legal-copy,.legal-icp{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-steel-mid);
}
.legal-icp{color:var(--c-steel);}

/* ---------- 5. 通用布局与组件 ---------- */
.page-shell{
  position:relative;
  z-index:2;
  max-width:var(--page-max);
  margin:0 auto;
  padding:0 var(--gutter);
}
.section{padding:clamp(44px,5.5vw,92px) 0;}
.section--tight{padding:clamp(28px,3vw,48px) 0;}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 28px;
  padding-bottom:18px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:clamp(20px,2.4vw,34px);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-steel);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--c-lime);
}

.rule{
  height:1px;
  border:0;
  background:var(--c-line);
  margin:clamp(24px,3vw,40px) 0;
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0 0;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-steel);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--c-steel-mid);}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--c-lime);}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}
.split{
  display:grid;
  grid-template-columns:minmax(0,62fr) minmax(0,38fr);
  gap:clamp(20px,3vw,48px);
  align-items:start;
}
.split--reverse{grid-template-columns:minmax(0,38fr) minmax(0,62fr);}

.prose{max-width:34em;}
.prose p{margin-bottom:1.1em;}
.prose p:last-child{margin-bottom:0;}

/* 卡片 */
.card{
  position:relative;
  background:var(--c-panel);
  border:1px solid var(--c-line);
  padding:clamp(16px,2vw,28px);
}
.card--wire{border-color:var(--wire-line);}
.card--paper{
  background:var(--c-paper-card);
  color:var(--c-green);
  border-color:var(--c-wire);
}
.card--paper .card-title,.card--paper h2,.card--paper h3{color:var(--c-green);}
.card--paper a{border-bottom:1px solid var(--c-lime-mid);}
.card-title{
  font-family:var(--f-display);
  font-size:var(--fs-h3);
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:10px;
}

.hud{position:relative;}
.hud::before,.hud::after{
  content:"";
  position:absolute;
  width:14px;height:14px;
  pointer-events:none;
}
.hud::before{
  top:-1px;left:-1px;
  border-top:2px solid var(--c-lime);
  border-left:2px solid var(--c-lime);
}
.hud::after{
  bottom:-1px;right:-1px;
  border-bottom:2px solid var(--c-orange);
  border-right:2px solid var(--c-orange);
}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--c-steel);
  border:1px solid var(--wire-line);
}
.tag--lime{color:var(--c-lime);border-color:var(--lime-soft);}
.tag--orange{color:var(--c-orange);border-color:var(--orange-soft);}
.tag--solid{background:var(--c-lime);color:var(--c-ink);border-color:var(--c-lime);font-weight:700;}

/* 数字 */
.num{
  font-family:var(--f-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.num--xl{font-size:var(--fs-num-xl);line-height:1;font-weight:700;}
.num--md{font-size:var(--fs-num-md);line-height:1.1;font-weight:600;}

/* 密集索引 */
.index-list{border-top:1px solid var(--c-line);}
.index-list li{border-bottom:1px solid var(--c-line);}
.index-list a{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:15px 4px;
  color:var(--c-steel);
  transition:color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.index-list a:hover{
  color:var(--c-paper);
  transform:translateX(3px);
  background:rgba(29,51,43,.4);
}
.index-list .index-meta{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-steel-mid);
}

/* 图片容器（页面阶段放置占位或图片） */
.media{
  position:relative;
  overflow:hidden;
  background:var(--c-panel);
  border:1px solid var(--c-line);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x4{aspect-ratio:3/4;}
.media--1x1{aspect-ratio:1/1;}
.media--wide{aspect-ratio:21/9;}
.media-overlay{
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(200deg,rgba(8,17,15,.12) 0%,rgba(8,17,15,.82) 100%),
    repeating-linear-gradient(115deg,rgba(183,255,60,.05) 0 1px,transparent 1px 16px);
}
.media-caption{
  position:absolute;
  left:0;bottom:0;
  max-width:100%;
  padding:9px 14px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-steel);
  background:rgba(8,17,15,.74);
  border-top:1px solid var(--wire-line);
}
.media--placeholder::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,var(--wire-hair) 0 1px,transparent 1px 14px);
}

/* ---------- 6. 显现动效 ---------- */
@media (prefers-reduced-motion: no-preference){
  html.js-ready [data-reveal]{
    opacity:0;
    transform:translateY(16px);
    transition:opacity .44s var(--ease),transform .44s var(--ease);
    will-change:opacity,transform;
  }
  html.js-ready [data-reveal].is-visible{
    opacity:1;
    transform:translateY(0);
  }
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* ---------- 7. 响应式 ---------- */
@media (max-width:1023px){
  .split,
  .split--reverse{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-12 > *{grid-column:span 12 !important;}
}

@media (max-width:900px){
  :root{--header-h:64px;}

  .header-ruler{display:none;}

  .header-inner{grid-template-columns:minmax(0,1fr) auto;gap:12px;}

  .brand-sub{display:none;}
  .link-util{display:none;}
  .header-tools .btn{padding:9px 14px;font-size:12px;}

  .nav-toggle{display:inline-flex;}

  .primary-nav{
    position:fixed;
    left:0;right:0;
    top:var(--header-h);
    z-index:95;
    display:block;
    padding:10px var(--gutter) 22px;
    background:linear-gradient(180deg,var(--c-green),var(--c-ink));
    border-top:1px solid var(--wire-line);
    border-bottom:1px solid var(--wire-line);
    border-left:3px solid var(--c-lime);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .28s var(--ease),visibility .28s linear;
  }
  .primary-nav[data-open]{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }

  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    padding:16px 4px;
    font-size:20px;
    border-bottom:1px solid var(--c-line);
    transform:none;
  }
  .nav-link:hover{transform:none;border-bottom-color:var(--c-line);}
  .nav-link[aria-current="page"]::after{display:none;}
  .nav-idx{order:2;font-size:12px;}

  .nav-foot{
    display:flex;
    flex-wrap:wrap;
    gap:18px;
    padding-top:20px;
  }
  .nav-foot-link{
    font-family:var(--f-mono);
    font-size:13px;
    letter-spacing:.08em;
    color:var(--c-lime);
    border-bottom:1px solid var(--lime-soft);
  }
}

@media (max-width:640px){
  .footer-cols{grid-template-columns:1fr;gap:26px;}
  .contact-row{grid-template-columns:76px minmax(0,1fr);}
  .footer-legal{flex-direction:column;align-items:flex-start;}
  .nav-link{font-size:18px;}
}

@media (min-width:1600px){
  :root{
    --header-h:80px;
    --gutter:clamp(32px,3.4vw,64px);
    --page-max:1680px;
  }
  .nav-link{font-size:18px;padding:14px 14px;}
  .footer-mark{font-size:30px;}
}