/* ===== 英博体育 · 共享外壳 /assets/site.css ===== */

:root{
  --ink:#0A0B0F;
  --carbon:#111A24;
  --slate:#1B2A33;
  --wood:#C08A4E;
  --wood-deep:#8A5B2C;
  --flare:#FF4B1F;
  --flare-soft:#FF7A45;
  --cyan:#2FD2E5;
  --violet:#5B4BD6;
  --wine:#6E1B2A;
  --pine:#12574F;
  --pine-deep:#0F4A44;
  --paper:#EDE7DB;
  --fog:#9AA6B2;

  --rail-w:84px;
  --cmd-h:64px;
  --cmd-h-slim:48px;
  --maxw:1320px;
  --gutter:clamp(18px,3vw,32px);
  --r-lg:24px;
  --r-md:18px;
  --r-pill:999px;

  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Consolas,monospace;

  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scrollbar-color:rgba(255,75,31,.55) #0A0B0F;scrollbar-width:thin}
body{
  margin:0;
  padding-left:var(--rail-w);
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:400;
  line-height:1.62;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto}
[hidden]{display:none !important}
:where(nav ul,.nav-list,.footer-list,.footer-legal){list-style:none;margin:0;padding:0}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  line-height:.98;
  letter-spacing:-.01em;
  text-wrap:balance;
}
h1{font-size:clamp(32px,5vw,60px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:20px;line-height:1.1}
p{margin:0 0 .9em}
a{color:inherit}
button{font-family:inherit}

:where(a,button,input,summary,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

.sr-only{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:0;left:0;z-index:200;
  display:inline-block;
  padding:12px 20px;
  background:var(--flare);
  color:var(--ink);
  font-size:13px;font-weight:500;letter-spacing:.06em;
  text-decoration:none;
  border-radius:0 0 var(--r-md) 0;
  transform:translateY(-130%);
  transition:transform .12s var(--ease);
}
.skip-link:focus-visible,
.skip-link:focus{transform:translateY(0)}

/* ---------- 头部根容器 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
}

/* ---------- 左侧品牌轨道 ---------- */
.rail{
  position:fixed;
  top:0;left:0;
  z-index:70;
  width:var(--rail-w);
  height:100vh;
  height:100dvh;
  min-height:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:16px 10px 14px;
  background:linear-gradient(180deg,#0A0B0F 0%,#101A23 62%,#0B1116 100%);
  border-right:1px solid rgba(237,231,219,.09);
  overflow:hidden;
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  text-decoration:none;
  color:var(--paper);
  flex:none;
}
.brand-mark{
  display:grid;place-items:center;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--flare);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:23px;font-weight:800;line-height:1;
  box-shadow:0 0 0 1px rgba(255,75,31,.35),0 8px 22px rgba(255,75,31,.26);
  transition:background-color .12s var(--ease),box-shadow .12s var(--ease);
}
.brand:hover .brand-mark,
.brand:focus-visible .brand-mark{
  background:var(--flare-soft);
  box-shadow:0 0 0 1px rgba(255,122,69,.6),0 10px 28px rgba(255,75,31,.38);
}
.brand-word{
  writing-mode:vertical-rl;
  font-family:var(--font-display);
  font-size:12px;font-weight:700;
  letter-spacing:.26em;
  color:var(--paper);
}
.brand-rule{
  width:3px;height:24px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--flare) 0%,rgba(255,75,31,0) 100%);
}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border:1px solid rgba(237,231,219,.2);
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--paper);
  font-size:12px;font-weight:500;letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .12s var(--ease),color .12s var(--ease);
}
.nav-toggle:hover,
.nav-toggle:focus-visible{border-color:var(--flare);color:var(--flare-soft)}
.nav-toggle-bars{display:grid;gap:4px;width:16px}
.nav-toggle-bars span{
  display:block;height:2px;border-radius:2px;
  background:currentColor;
  transition:transform .12s var(--ease);
}
.site-header[data-open="true"] .nav-toggle-bars span:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

/* ---------- 导航 ---------- */
.site-nav{
  flex:1 1 auto;
  min-height:0;
  width:100%;
  overflow-y:auto;
  overflow-x:hidden;
  scrollbar-width:thin;
  scrollbar-color:rgba(237,231,219,.22) transparent;
}
.site-nav::-webkit-scrollbar{width:4px}
.site-nav::-webkit-scrollbar-thumb{background:rgba(237,231,219,.22);border-radius:4px}
.nav-list{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
}
.nav-item{width:100%}
.nav-link{
  position:relative;
  display:flex;
  flex-direction:row;
  align-items:center;
  justify-content:center;
  gap:6px;
  width:100%;
  padding:8px 14px;
  border-radius:var(--r-lg);
  overflow:hidden;
  writing-mode:vertical-rl;
  color:var(--fog);
  font-size:12.5px;font-weight:500;
  letter-spacing:.08em;
  line-height:1.2;
  text-decoration:none;
  transition:color .12s var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:var(--flare);
  border-radius:inherit;
  transform:translateX(-101%);
  transition:transform .12s var(--ease);
}
.nav-link:hover::before,
.nav-link:focus-visible::before{transform:translateX(0)}
.nav-link:hover,
.nav-link:focus-visible{color:var(--ink)}
.nav-link[aria-current="page"]{
  color:var(--ink);
  background:var(--flare);
  box-shadow:0 0 22px rgba(255,75,31,.42);
}
.nav-index,
.nav-label{position:relative;z-index:1}
.nav-index{
  writing-mode:horizontal-tb;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:10px;
  letter-spacing:.08em;
  color:inherit;
  opacity:.55;
}
.nav-label{white-space:nowrap}

/* ---------- 轨道底部 CTA ---------- */
.rail-cta{
  flex:none;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  padding:14px 8px;
  border-radius:14px;
  writing-mode:vertical-rl;
  background:var(--flare);
  color:var(--ink);
  font-size:12px;font-weight:500;
  letter-spacing:.12em;
  text-decoration:none;
  box-shadow:0 0 0 1px rgba(255,75,31,.4),0 10px 26px rgba(255,75,31,.24);
  transition:background-color .12s var(--ease),box-shadow .12s var(--ease);
}
.rail-cta:hover,
.rail-cta:focus-visible{
  background:var(--flare-soft);
  box-shadow:0 0 0 1px rgba(255,122,69,.65),0 12px 30px rgba(255,75,31,.36);
}

/* ---------- 命令栏 ---------- */
.cmdbar{
  position:relative;
  display:flex;
  align-items:center;
  height:var(--cmd-h);
  background:#0A0B0F;
  border-bottom:1px solid rgba(237,231,219,.1);
  transition:height .18s var(--ease);
}
.site-header[data-scrolled="true"] .cmdbar{height:var(--cmd-h-slim)}
.cmd-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--flare) 0%,var(--flare-soft) 55%,var(--cyan) 100%);
  pointer-events:none;
}
.cmdbar-inner{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.cmd-index{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--flare);
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--fog);
  min-width:0;
}
.crumb-home{
  color:var(--fog);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .12s var(--ease),border-color .12s var(--ease);
}
.crumb-home:hover,
.crumb-home:focus-visible{color:var(--paper);border-bottom-color:var(--flare)}
.crumb-sep{color:rgba(154,166,178,.5)}
.crumb-here{
  color:var(--paper);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.cmd-search{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.cmd-search-label{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--fog);
  white-space:nowrap;
}
.cmd-search-input{
  width:210px;
  padding:7px 14px;
  border:1px solid rgba(237,231,219,.18);
  border-radius:var(--r-pill);
  background:rgba(27,42,51,.6);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:12.5px;
  letter-spacing:.02em;
  transition:border-color .12s var(--ease),background-color .12s var(--ease);
}
.cmd-search-input::placeholder{color:rgba(154,166,178,.75)}
.cmd-search-input:hover{border-color:rgba(237,231,219,.34)}
.cmd-search-input:focus{border-color:var(--cyan);background:rgba(27,42,51,.95)}
.cmd-search-hint{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:11px;
  color:var(--cyan);
  white-space:nowrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,96px);
  background:linear-gradient(180deg,var(--pine) 0%,#0D3B39 34%,#0A1418 68%,#0A0B0F 100%);
  color:var(--paper);
  isolation:isolate;
}
.footer-slash{
  height:14px;
  background:linear-gradient(90deg,var(--wood) 0%,var(--wood-deep) 58%,var(--wood) 100%);
  clip-path:polygon(0 100%,0 34%,100% 0,100% 66%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr .9fr 1.2fr 1fr;
  gap:40px 44px;
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(36px,5vw,60px) var(--gutter) clamp(28px,4vw,44px);
}
.footer-word{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
}
.footer-line{
  margin:0 0 8px;
  max-width:24em;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(237,231,219,.82);
}
.footer-line--dim{color:rgba(237,231,219,.55);font-size:12.5px}
.footer-head{
  margin:0 0 14px;
  font-size:11px;
  font-weight:500;
  letter-spacing:.24em;
  color:var(--wood);
}
.footer-list{
  display:grid;
  gap:9px;
  font-size:13.5px;
  line-height:1.5;
}
.footer-list a{
  color:rgba(237,231,219,.78);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .12s var(--ease),border-color .12s var(--ease);
}
.footer-list a:hover,
.footer-list a:focus-visible{color:var(--paper);border-bottom-color:var(--flare)}
.footer-addr{color:rgba(237,231,219,.6);font-size:12.5px;line-height:1.6}
.copy-btn{
  display:inline-flex;
  align-items:center;
  padding:0;
  border:0;
  border-bottom:1px dashed rgba(237,231,219,.3);
  background:none;
  color:rgba(237,231,219,.82);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12.5px;
  letter-spacing:.01em;
  text-align:left;
  cursor:pointer;
  transition:color .12s var(--ease),border-color .12s var(--ease);
}
.copy-btn:hover,
.copy-btn:focus-visible{color:var(--paper);border-bottom-color:var(--cyan)}
.copy-btn[data-copied="true"]{color:var(--cyan);border-bottom-color:var(--cyan)}
.footer-meta{
  display:grid;
  align-content:start;
  gap:10px;
  font-size:12px;
  color:var(--fog);
}
.footer-icp{
  margin:0;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  letter-spacing:.02em;
  color:rgba(237,231,219,.7);
}
.footer-copy{margin:0;font-size:12px;color:var(--fog)}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:6px 16px;
  margin:4px 0 0;
  font-size:12px;
}
.footer-legal a{
  color:var(--fog);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .12s var(--ease),border-color .12s var(--ease);
}
.footer-legal a:hover,
.footer-legal a:focus-visible{color:var(--paper);border-bottom-color:var(--cyan)}

/* ---------- 通用布局与组件 ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(40px,6vw,88px)}
.stack>*+*{margin-top:1em}
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-size:11px;
  font-weight:500;
  letter-spacing:.26em;
  color:var(--wood);
}
.eyebrow::before{
  content:"";
  width:24px;height:2px;
  border-radius:2px;
  background:var(--wood);
  flex:none;
}
.lead{
  max-width:68ch;
  font-size:clamp(15px,1.35vw,17px);
  line-height:1.7;
  color:rgba(237,231,219,.82);
}
.muted{color:var(--fog)}
.rule{height:1px;margin:0;border:0;background:rgba(237,231,219,.12)}
.num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}

.band{
  position:relative;
  background:var(--band,var(--slate));
  clip-path:polygon(0 3.2%,100% 0,100% 96.8%,0 100%);
}
.band--wine{--band:var(--wine)}
.band--pine{--band:var(--pine-deep)}
.band--violet{--band:var(--violet)}

.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border-radius:var(--r-lg);
  background:var(--panel-tint,var(--carbon));
  overflow:hidden;
}
.panel::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--flare);
}
.panel--wine{--panel-tint:var(--wine)}
.panel--pine{--panel-tint:var(--pine-deep)}
.panel--violet{--panel-tint:var(--violet)}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:500;
  letter-spacing:.03em;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .12s var(--ease),color .12s var(--ease),border-color .12s var(--ease),box-shadow .12s var(--ease);
}
.btn--flare{
  background:var(--flare);
  color:var(--ink);
  box-shadow:0 10px 28px rgba(255,75,31,.28);
}
.btn--flare:hover,
.btn--flare:focus-visible{background:var(--flare-soft);box-shadow:0 12px 32px rgba(255,75,31,.4)}
.btn--ghost{
  background:transparent;
  border-color:rgba(237,231,219,.24);
  color:var(--paper);
}
.btn--ghost:hover,
.btn--ghost:focus-visible{border-color:var(--cyan);color:var(--cyan)}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(47,210,229,.12);
  color:var(--cyan);
  font-size:12px;
  font-weight:500;
  letter-spacing:.06em;
  text-decoration:none;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(192,138,78,.16);
  color:var(--wood);
  font-size:11px;
  font-weight:500;
  letter-spacing:.12em;
  text-decoration:none;
}

.grid{display:grid;gap:clamp(16px,2.2vw,26px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}

.table-wrap{
  overflow:auto;
  border-radius:var(--r-md);
  background:var(--carbon);
  scrollbar-width:thin;
  scrollbar-color:rgba(47,210,229,.4) transparent;
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:13.5px;
  line-height:1.4;
}
.data-table th{
  padding:12px 14px;
  background:rgba(27,42,51,.95);
  color:var(--fog);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  text-align:left;
  white-space:nowrap;
}
.data-table td{
  padding:11px 14px;
  border-top:1px solid rgba(237,231,219,.07);
}
.data-table tbody tr:nth-child(even){background:rgba(27,42,51,.55)}
.data-table tbody tr:hover{background:#1F303A}
.data-table .num{color:var(--paper)}

.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-color:var(--slate);
  background-image:
    repeating-linear-gradient(115deg,rgba(192,138,78,.16) 0 2px,transparent 2px 16px),
    radial-gradient(120% 90% at 18% 0%,rgba(255,75,31,.28),transparent 62%),
    radial-gradient(90% 80% at 100% 100%,rgba(47,210,229,.16),transparent 58%);
  box-shadow:inset 0 0 0 1px rgba(237,231,219,.08);
}
.media-frame>img{
  display:block;
  width:100%;height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame-caption{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
  font-size:12px;
  line-height:1.5;
  color:var(--fog);
}
.media-frame-caption::before{
  content:"";
  width:18px;height:2px;
  flex:none;
  background:var(--wood);
}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:34px 32px}
  .footer-meta{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding-top:18px;border-top:1px solid rgba(237,231,219,.12)}
  .footer-legal{margin:0}
}

/* ---------- 移动 / 窄平板 ---------- */
@media (max-width:860px){
  :root{--rail-w:0px}
  body{padding-left:0}
  .site-header{z-index:80}
  .rail{
    position:static;
    width:100%;
    height:auto;
    display:grid;
    grid-template-columns:1fr auto;
    grid-template-areas:"brand toggle" "nav nav" "cta cta";
    align-items:center;
    gap:0 12px;
    padding:10px 16px;
    border-right:0;
    border-bottom:1px solid rgba(237,231,219,.08);
    overflow:visible;
  }
  .brand{
    grid-area:brand;
    flex-direction:row;
    align-items:center;
    gap:10px;
    justify-self:start;
  }
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:19px}
  .brand-word{writing-mode:horizontal-tb;font-size:13px;letter-spacing:.18em}
  .brand-rule{display:none}
  .nav-toggle{grid-area:toggle;display:inline-flex}
  .site-nav{
    grid-area:nav;
    display:none;
    width:100%;
    margin-top:10px;
    padding-top:10px;
    border-top:1px solid rgba(237,231,219,.1);
    max-height:min(62vh,520px);
    overflow-y:auto;
  }
  .site-header[data-open="true"] .site-nav{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-item{width:100%}
  .nav-link{
    writing-mode:horizontal-tb;
    flex-direction:row;
    justify-content:flex-start;
    gap:12px;
    padding:12px 14px;
    border-radius:14px;
    font-size:14px;
    letter-spacing:.04em;
  }
  .nav-index{
    writing-mode:horizontal-tb;
    font-size:11px;
    color:var(--fog);
    opacity:1;
  }
  .rail-cta{
    grid-area:cta;
    display:none;
    writing-mode:horizontal-tb;
    width:100%;
    margin-top:12px;
    padding:13px 18px;
    border-radius:var(--r-pill);
    font-size:14px;
    letter-spacing:.06em;
  }
  .site-header[data-open="true"] .rail-cta{display:flex}
  .cmdbar{height:56px}
  .site-header[data-scrolled="true"] .cmdbar{height:52px}
  .cmdbar-inner{gap:12px;padding-inline:16px}
  .cmd-index{font-size:16px}
  .crumb-home,.crumb-sep{display:none}
  .cmd-search{margin-left:auto}
  .cmd-search-label{
    position:absolute;width:1px;height:1px;margin:-1px;padding:0;
    overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0;
  }
  .cmd-search-input{width:min(46vw,160px);padding:7px 13px;font-size:13px}
  .cmd-search-hint{display:none}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px 24px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-meta{display:grid;gap:8px}
  .cmdbar-inner{padding-inline:14px;gap:10px}
  .crumbs{font-size:11px}
}

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