/* ==========================================================
   yb体育网页 · 共享样式 /assets/site.css
   夜间赛场指挥台 · 堆叠面板 · 悬浮胶囊导航
   ========================================================== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg{max-width:100%;display:block}

:root{
  --ink:#06251F;
  --charcoal:#0E1216;
  --panel:#0B332B;
  --panel-deep:#09201A;
  --cyan:#23F0C7;
  --orange:#FF7A1A;
  --silver:#B7C0C6;
  --mist:#E8F0F2;
  --blue:#2D9CDB;
  --gold:#C6A15B;
  --alert:#FF5A5F;
  --line:rgba(183,192,198,.16);
  --line-cyan:rgba(35,240,199,.34);
  --shadow-panel:0 30px 60px -46px rgba(0,0,0,.95);
  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --radius:18px;
  --shell:1240px;
  --pad-x:clamp(16px,3vw,28px);
}

body{
  min-height:100vh;
  background:
    radial-gradient(1100px 620px at 8% -12%, rgba(35,240,199,.10), transparent 62%),
    radial-gradient(900px 520px at 102% 2%, rgba(255,122,26,.07), transparent 58%),
    linear-gradient(180deg,#06251F 0%,#08221D 46%,#0E1216 100%);
  background-attachment:fixed;
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ---------- 容器与章节 ---------- */
.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--pad-x)}
.section{padding:clamp(46px,7vw,96px) 0}
.section--tight{padding:clamp(26px,4vw,48px) 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 26px;padding-bottom:16px;margin-bottom:clamp(20px,3vw,36px);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
}
.section-title{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  font-size:clamp(26px,4.2vw,46px);line-height:1.08;letter-spacing:.02em;color:var(--mist);
}
.lede{max-width:62ch;font-size:clamp(15px,1.6vw,17.5px);line-height:1.85;color:rgba(232,240,242,.78)}
.divider{height:1px;border:0;margin:clamp(28px,4vw,52px) 0;
  background:linear-gradient(90deg,rgba(183,192,198,.24),rgba(183,192,198,0))}

/* ---------- 堆叠面板 ---------- */
.panel{
  position:relative;padding:clamp(18px,2.6vw,30px);
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(11,51,43,.86),rgba(9,30,26,.94));
  box-shadow:var(--shadow-panel),inset 0 1px 0 rgba(232,240,242,.04);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.panel:hover{border-color:var(--line-cyan);box-shadow:var(--shadow-panel),0 0 0 1px rgba(35,240,199,.08)}
.panel-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 16px;
  padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--line);
}
.panel-title{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  font-size:clamp(18px,2.4vw,24px);letter-spacing:.04em;color:var(--mist);
}
.panel-meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(183,192,198,.7)}
.panel-body{color:rgba(232,240,242,.82)}

/* ---------- 文字与索引 ---------- */
.mono{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(183,192,198,.78)}
.note{font-size:12.5px;line-height:1.7;color:rgba(183,192,198,.68)}
.data-num{
  font-family:var(--font-mono);font-weight:700;letter-spacing:-.02em;
  font-size:clamp(38px,7vw,96px);line-height:.95;color:var(--mist);
}
.data-num--accent{color:var(--cyan)}
.data-num--signal{color:var(--orange)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(183,192,198,.28);font-family:var(--font-mono);font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;color:rgba(232,240,242,.8);
}
.tag--cyan{border-color:rgba(35,240,199,.45);color:var(--cyan)}
.tag--orange{border-color:rgba(255,122,26,.45);color:var(--orange)}
.tag--gold{border-color:rgba(198,161,91,.5);color:var(--gold)}

.prose{max-width:70ch;font-size:16.5px;line-height:1.9;color:rgba(232,240,242,.85)}
.prose p + p{margin-top:1.1em}
.prose h2,.prose h3{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.03em;
  color:var(--mist);margin:1.8em 0 .6em;
}
.prose h2{font-size:clamp(22px,3vw,30px)}
.prose h3{font-size:clamp(18px,2.4vw,22px)}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(35,240,199,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:999px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);background:transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04211B;font-weight:700}
.btn--primary:hover{background:#63F7DA;border-color:#63F7DA}
.btn--signal{border-color:rgba(255,122,26,.55);color:var(--orange)}
.btn--signal:hover{background:var(--orange);border-color:var(--orange);color:#0E1216}
.btn--ghost{color:var(--silver)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(35,240,199,.07)}

/* ---------- 网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.grid-2--wide{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:clamp(16px,2.4vw,28px)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(12px,2vw,22px)}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.stat-cell{display:flex;flex-direction:column;gap:6px;padding:16px 18px;background:rgba(9,32,26,.86)}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(183,192,198,.72)}
.stat-value{font-family:var(--font-mono);font-weight:700;font-size:clamp(22px,3vw,34px);line-height:1.1;color:var(--mist)}
.stat-value--signal{color:var(--orange)}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:clamp(18px,3vw,30px) 0 0}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(183,192,198,.7);
}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:rgba(183,192,198,.35)}
.breadcrumb-item[aria-current="page"]{color:var(--cyan)}
.breadcrumb-link{color:rgba(232,240,242,.86);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.breadcrumb-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

/* ---------- 图片容器 ---------- */
.img-frame{
  position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(11,51,43,.92),rgba(14,18,22,.96));
}
.img-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.65;
  background-image:
    linear-gradient(rgba(35,240,199,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(35,240,199,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.img-frame img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.img-frame--16x9{aspect-ratio:16/9}
.img-frame--4x5{aspect-ratio:4/5}
.img-frame--21x9{aspect-ratio:21/9}
.img-caption{margin-top:10px;font-size:12.5px;line-height:1.7;color:rgba(183,192,198,.66)}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-64px;z-index:200;
  padding:10px 18px;border-radius:0 0 12px 12px;
  background:var(--cyan);color:#04211B;font-family:var(--font-mono);
  font-size:12px;letter-spacing:.12em;
  transition:top .18s ease;
}
.skip-link:focus{top:0}

/* ==========================================================
   头部 · 悬浮胶囊导航
   ========================================================== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px var(--pad-x) 0;
  background:linear-gradient(180deg,rgba(6,37,31,.94) 34%,rgba(6,37,31,0));
}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:2px;z-index:120;pointer-events:none;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
}
.header-shell{
  position:relative;display:flex;align-items:center;gap:14px;
  max-width:var(--shell);margin:0 auto;
  padding:10px 12px 10px 14px;
  border:1px solid var(--line);border-radius:999px;
  background:linear-gradient(180deg,rgba(11,51,43,.94),rgba(6,37,31,.9));
  box-shadow:0 20px 44px -30px rgba(0,0,0,.95),inset 0 1px 0 rgba(232,240,242,.05);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* 品牌浮岛 */
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;
  border:1px solid var(--line-cyan);
  background:linear-gradient(150deg,rgba(35,240,199,.16),rgba(35,240,199,0) 72%);
}
.brand-mark::before{
  content:"";width:12px;height:12px;border:1.5px solid var(--cyan);border-radius:50%;
  border-right-color:transparent;transform:rotate(-32deg);
}
.brand-mark-dot{position:absolute;right:5px;bottom:5px;width:4px;height:4px;border-radius:50%;background:var(--orange)}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{
  font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--mist);white-space:nowrap;
}
.brand-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:rgba(183,192,198,.72);white-space:nowrap}

/* 栏目胶囊 */
.nav-capsule{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:8px 13px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;line-height:1.4;color:rgba(183,192,198,.86);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.nav-link:hover{color:var(--mist);background:rgba(35,240,199,.08);border-color:var(--line-cyan)}
.nav-link[aria-current="page"]{
  background:var(--cyan);border-color:var(--cyan);color:#04211B;font-weight:700;
  box-shadow:0 0 0 3px rgba(35,240,199,.12);
}
.nav-utility{
  display:flex;align-items:center;gap:2px;
  margin-left:8px;padding-left:10px;border-left:1px solid var(--line);
}
.nav-mini{
  padding:6px 9px;border-radius:9px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.08em;color:rgba(183,192,198,.72);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-mini:hover{color:var(--cyan);background:rgba(35,240,199,.09)}

/* 头部行动按钮 */
.header-cta{
  flex:0 0 auto;padding:10px 16px;border-radius:999px;
  border:1px solid rgba(255,122,26,.5);color:var(--orange);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.header-cta:hover{background:var(--orange);border-color:var(--orange);color:#0E1216}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;padding:9px 13px;border-radius:999px;
  border:1px solid var(--line-cyan);background:rgba(35,240,199,.06);color:var(--cyan);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-toggle[aria-expanded="true"]{background:var(--cyan);border-color:var(--cyan);color:#04211B}
.nav-toggle-bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform .2s ease;
}
.nav-toggle-bars::before{top:0}
.nav-toggle-bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(4.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-4.25px) rotate(-45deg)}

/* ==========================================================
   页脚 · 档案索引层
   ========================================================== */
.site-footer{
  position:relative;margin-top:clamp(60px,10vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,51,43,.34),rgba(14,18,22,.99) 46%);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(35,240,199,0),rgba(35,240,199,.55),rgba(255,122,26,.35),rgba(35,240,199,0));
}
.footer-shell{
  max-width:var(--shell);margin:0 auto;
  padding:clamp(40px,6vw,76px) var(--pad-x) 30px;
}
.footer-top{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,2fr);
  gap:clamp(28px,5vw,64px);
}
.footer-brand{display:flex;flex-direction:column;gap:14px;max-width:46ch}
.footer-brand-row{display:flex;align-items:center;gap:10px}
.footer-mark{
  position:relative;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--line-cyan);
  background:linear-gradient(150deg,rgba(35,240,199,.18),rgba(35,240,199,0) 72%);
}
.footer-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:5px;height:5px;border-radius:50%;background:var(--orange)}
.footer-name{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:.08em;text-transform:uppercase;color:var(--mist)}
.footer-summary{font-size:14.5px;line-height:1.85;color:rgba(232,240,242,.72)}
.footer-trust{font-family:var(--font-mono);font-size:11.5px;line-height:1.9;letter-spacing:.05em;color:rgba(183,192,198,.6)}

.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,36px)}
.footer-col-title{
  margin-bottom:14px;font-family:var(--font-mono);font-weight:500;font-size:11.5px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-link{
  display:inline-block;padding-bottom:2px;border-bottom:1px solid transparent;
  font-size:14.5px;color:rgba(232,240,242,.78);
  transition:color .2s ease,border-color .2s ease;
}
.footer-link:hover{color:var(--cyan);border-bottom-color:rgba(35,240,199,.6)}

.footer-contact{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);
  gap:clamp(18px,4vw,48px);
  margin-top:clamp(30px,5vw,54px);padding-top:clamp(22px,3vw,32px);
  border-top:1px solid var(--line);
}
.footer-contact-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px 26px}
.footer-contact-item{display:flex;flex-direction:column;gap:5px}
.footer-contact-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(183,192,198,.6)}
.footer-contact-value{font-size:14.5px;color:var(--mist);word-break:break-word}
.footer-note{max-width:56ch;font-size:12.5px;line-height:1.8;color:rgba(183,192,198,.62)}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;
  margin-top:clamp(26px,4vw,42px);padding-top:18px;border-top:1px solid var(--line);
}
.footer-legal-text{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:rgba(183,192,198,.66)}
.footer-year{color:var(--cyan)}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal-link{
  padding-bottom:2px;border-bottom:1px solid transparent;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(183,192,198,.72);
  transition:color .2s ease,border-color .2s ease;
}
.footer-legal-link:hover{color:var(--cyan);border-bottom-color:rgba(35,240,199,.6)}

/* ==========================================================
   JS 驱动的微交互（无 JS 时内容完整可见）
   ========================================================== */
.js-ready [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1);
}
.js-ready [data-reveal].is-visible{opacity:1;transform:none}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width:1120px){
  .nav-utility{display:none}
}
@media (max-width:900px){
  body{padding-bottom:92px}
  .site-header{
    position:fixed;top:auto;bottom:0;left:0;right:0;
    padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));
    background:linear-gradient(0deg,rgba(6,37,31,.96) 40%,rgba(6,37,31,0));
  }
  .header-shell{border-radius:22px;gap:10px}
  .nav-toggle{display:inline-flex;margin-left:auto;order:3}
  .header-cta{display:none}
  .nav-capsule{
    position:absolute;left:0;right:0;bottom:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:8px;margin-left:0;
    padding:14px;border:1px solid var(--line);border-radius:20px;
    background:linear-gradient(180deg,rgba(11,51,43,.99),rgba(6,37,31,.99));
    box-shadow:0 -24px 48px -32px rgba(0,0,0,1);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-capsule[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{border-radius:12px;border-color:rgba(183,192,198,.12);padding:11px 13px;font-size:15.5px}
  .nav-utility{
    display:flex;flex-direction:row;justify-content:space-between;
    margin:8px 0 0;padding:10px 0 0;border-left:0;border-top:1px solid var(--line);
  }
  .grid-2,.grid-2--wide,.grid-3{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-contact{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .brand-tag{display:none}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
  .footer-legal{justify-content:flex-start}
  .data-num{font-size:clamp(34px,12vw,60px)}
}

/* ==========================================================
   减弱动效
   ========================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-ready [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
}