/* ===== 贝博体育主站 · 共享样式 /assets/site.css ===== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}

:root{
  --night:#071A14;
  --night-2:#0E2A21;
  --moss:#4E6B52;
  --rock:#8A9289;
  --bone:#F2EEDF;
  --lime:#C8FF3D;
  --ember:#FF5A36;
  --clay:#B86A4A;
  --ink:#030A08;
  --glass:#8BE8C5;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --rail:96px;
  --edge:clamp(16px,4vw,56px);
  --bw:2px;
  --shadow-hard:8px 8px 0 var(--ink);
  --line:rgba(242,238,223,.14);
}

body{
  min-height:100vh;
  background-color:var(--night);
  background-image:
    radial-gradient(70% 42% at 84% -4%, rgba(200,255,61,.15), transparent 68%),
    radial-gradient(52% 36% at 0% 4%, rgba(139,232,197,.09), transparent 72%),
    radial-gradient(60% 40% at 50% 110%, rgba(184,106,74,.10), transparent 70%),
    repeating-linear-gradient(90deg, rgba(78,107,82,.07) 0 1px, transparent 1px 88px),
    linear-gradient(180deg,#0A231C 0%, #071A14 34%, #06120F 100%);
  color:var(--bone);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.18;letter-spacing:-.01em}
h1{font-size:clamp(30px,6vw,72px)}
h2{font-size:clamp(22px,3vw,34px)}
h3{font-size:clamp(18px,2.2vw,22px)}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

:focus-visible{outline:3px solid var(--lime);outline-offset:3px}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:var(--edge)}
.section{position:relative;padding-block:clamp(36px,5.5vw,80px)}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11.5px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--lime);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  transform:translateY(-180%);
  padding:10px 16px;background:var(--lime);color:var(--ink);
  font-weight:700;font-size:14px;text-decoration:none;
  border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);
  transition:transform .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ---------- 滚动进度 ---------- */
.scroll-meter{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:140;
  background:rgba(3,10,8,.55);pointer-events:none;
}
.scroll-meter__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--glass),var(--lime) 58%,var(--ember));
  box-shadow:0 0 12px rgba(200,255,61,.55);
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  display:grid;grid-template-columns:var(--rail) 1fr;
  background:rgba(3,10,8,.94);
  border-bottom:var(--bw) solid rgba(200,255,61,.22);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}

.brand-rail{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:16px 0 18px;min-width:0;
  background:linear-gradient(180deg,#04120E,#071A14);
  border-right:var(--bw) solid rgba(200,255,61,.18);
}
.brand-mark{display:flex;flex-direction:column;align-items:center;gap:10px;text-decoration:none;color:var(--bone)}
.brand-mark__glyph{
  display:grid;place-items:center;width:44px;height:44px;
  background:var(--lime);color:var(--ink);
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:4px 4px 0 rgba(3,10,8,.9);
}
.brand-mark__name{
  writing-mode:vertical-rl;font-family:var(--serif);
  font-size:16px;font-weight:700;letter-spacing:.22em;
}
.brand-mark__sub{
  writing-mode:vertical-rl;font-family:var(--mono);
  font-size:9.5px;letter-spacing:.3em;color:var(--rock);
}
.rail-line{flex:1;width:2px;min-height:24px;background:linear-gradient(180deg,rgba(200,255,61,.55),rgba(200,255,61,.06))}
.rail-coords{display:flex;flex-direction:column;gap:8px;align-items:center;writing-mode:vertical-rl;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--rock);text-transform:uppercase}
.rail-tag{writing-mode:vertical-rl;font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--clay);text-transform:uppercase}

.command-bar{
  display:flex;align-items:center;gap:clamp(12px,2vw,26px);
  min-height:76px;padding:14px var(--edge) 14px clamp(14px,2.2vw,28px);
  min-width:0;
}
.command-status{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--glass);
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ember);
  box-shadow:0 0 0 3px rgba(255,90,54,.2);
  animation:livePulse 2.4s ease-in-out infinite;
}
@keyframes livePulse{
  50%{box-shadow:0 0 0 7px rgba(255,90,54,0)}
}

.site-nav{flex:1;display:flex;justify-content:center;min-width:0}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav-link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 10px;border:2px solid transparent;border-radius:2px;
  color:rgba(242,238,223,.78);text-decoration:none;white-space:nowrap;
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.nav-link__idx{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:var(--rock);transition:color .16s ease}
.nav-link:hover{color:var(--bone);border-color:rgba(200,255,61,.35);background:rgba(200,255,61,.06)}
.nav-link[aria-current="page"]{color:var(--lime);border-color:var(--lime);background:rgba(200,255,61,.09)}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--lime)}

.command-actions{display:flex;align-items:center;gap:10px;margin-left:auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:2px solid var(--bone);border-radius:2px;
  background:transparent;color:var(--bone);cursor:pointer;text-decoration:none;
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.02em;
  box-shadow:4px 4px 0 rgba(3,10,8,.85);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(3,10,8,.85)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(3,10,8,.85)}
.btn--lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn--lime:hover{background:#d9ff77;border-color:#d9ff77}
.btn--ghost{border-color:rgba(242,238,223,.42);color:var(--bone)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--ember{background:var(--ember);border-color:var(--ember);color:#1B0602}
.btn--ember:hover{background:#ff7355;border-color:#ff7355}
.btn--sm{padding:8px 14px;font-size:13px;box-shadow:3px 3px 0 rgba(3,10,8,.85)}
.btn--block{display:flex;width:100%}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;border:2px solid rgba(242,238,223,.35);border-radius:2px;
  background:rgba(14,42,33,.72);color:var(--bone);cursor:pointer;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle[aria-expanded="true"]{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.12)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--lime);box-shadow:0 -5px 0 var(--lime),0 5px 0 var(--lime);transition:transform .18s ease,box-shadow .18s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{transform:rotate(45deg);box-shadow:none}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{content:"";position:absolute;inset:0;background:var(--lime);transform:rotate(90deg)}
.nav-toggle__text{line-height:1}

/* ---------- 通用组件 ---------- */
.card{
  position:relative;padding:clamp(18px,2.4vw,28px);
  background:linear-gradient(158deg,rgba(14,42,33,.96),rgba(7,26,20,.96));
  border:2px solid rgba(242,238,223,.16);border-radius:2px;
  box-shadow:var(--shadow-hard);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.card:hover{border-color:rgba(200,255,61,.5);box-shadow:10px 10px 0 var(--ink)}
.card__index{display:block;margin-bottom:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--lime)}

.media-frame{
  position:relative;overflow:hidden;border:2px solid rgba(242,238,223,.18);
  border-radius:2px;background:linear-gradient(140deg,#0E2A21,#020806);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.media-frame__img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;filter:saturate(.9) contrast(1.06)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(139,232,197,.28);
  background:radial-gradient(80% 60% at 72% 6%,rgba(200,255,61,.14),transparent 70%);
}
.media-frame__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--bone);background:linear-gradient(180deg,transparent,rgba(3,10,8,.92));
}

.breadcrumb{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--rock)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__list li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__list li::after{content:"/";color:rgba(138,146,137,.55)}
.breadcrumb__list li:last-child::after{content:""}
.breadcrumb a{color:var(--glass);text-decoration:none;border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.breadcrumb a:hover{color:var(--lime);border-bottom-color:var(--lime)}

.prose{max-width:68ch;font-size:16px;line-height:1.85;color:rgba(242,238,223,.86)}
.prose p{margin-bottom:1.1em}
.prose h2{margin-top:1.9em;margin-bottom:.6em;color:var(--bone)}
.prose h3{margin-top:1.5em;margin-bottom:.5em;color:var(--bone)}
.prose ul{margin:0 0 1.1em;display:grid;gap:.5em}
.prose ul li{position:relative;padding-left:1.2em}
.prose ul li::before{content:"▸";position:absolute;left:0;color:var(--lime)}
.prose a{color:var(--glass);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--lime)}
.prose strong{color:var(--bone);font-weight:700}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 9px;
  border:1.5px solid rgba(242,238,223,.3);border-radius:2px;
  font-family:var(--mono);font-size:10.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--bone);white-space:nowrap;
}
.badge--live{border-color:var(--ember);color:var(--ember);background:rgba(255,90,54,.1)}
.badge--lime{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.08)}

.tag{
  display:inline-block;padding:3px 10px;
  background:rgba(78,107,82,.34);border-left:3px solid var(--moss);
  font-size:12px;letter-spacing:.04em;color:var(--bone);
}

/* ---------- 显现协议 ---------- */
html[data-js="on"] [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .5s ease,transform .5s ease;
}
html[data-js="on"] [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,#04120E,#030A08 70%);
  border-top:3px solid var(--lime);
  color:var(--bone);
  padding:clamp(30px,5vw,60px) 0 24px;
}
.footer-inner{width:100%;max-width:1200px;margin-inline:auto;padding-inline:var(--edge)}

.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  border:2px solid var(--line);background:rgba(7,26,20,.6);
}
.footer-brand,.footer-col,.footer-contact{
  padding:clamp(18px,2.4vw,28px);
  border-left:2px solid var(--line);min-width:0;
}
.footer-brand{border-left:0}

.footer-kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--lime);margin-bottom:10px}
.footer-title{font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:.04em}
.footer-tagline{margin-top:10px;max-width:30ch;font-size:14.5px;line-height:1.72;color:rgba(242,238,223,.78)}
.footer-note{margin-top:14px;padding-left:12px;border-left:2px solid var(--clay);font-size:12.5px;line-height:1.65;color:var(--rock)}

.footer-col__title{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--glass);margin-bottom:14px}
.footer-list{display:grid;gap:9px}
.footer-link{color:rgba(242,238,223,.78);text-decoration:none;font-size:14px;border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.footer-link:hover{color:var(--lime);border-bottom-color:rgba(200,255,61,.55)}

.footer-contact__row{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin-bottom:10px;font-size:13.5px;color:rgba(242,238,223,.72)}
.footer-contact__row > span:first-child{min-width:32px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--rock)}
.footer-contact__value{color:var(--bone);line-height:1.6}
.footer-contact__time{margin-top:12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--rock)}

.copy-btn{
  display:inline-flex;align-items:center;gap:8px;padding:3px 8px;
  border:1.5px dashed rgba(139,232,197,.45);border-radius:2px;
  background:rgba(139,232,197,.07);color:var(--glass);cursor:pointer;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.copy-btn:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,255,61,.1)}
.copy-btn__text{word-break:break-all;text-align:left}
.copy-btn__hint{font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--rock);transition:color .16s ease}
.copy-btn:hover .copy-btn__hint{color:var(--bone)}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;margin-top:18px;padding-top:16px;
  border-top:2px solid rgba(242,238,223,.12);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--rock);
}
.footer-legal__copy{color:var(--rock)}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:18px}
.footer-legal__links .footer-link{font-size:11.5px;color:var(--rock)}
.footer-legal__links .footer-link:hover{color:var(--lime)}
.footer-legal__icp{color:var(--rock)}

/* ---------- 平板 ---------- */
@media (max-width:1120px){
  :root{--rail:76px}
  .command-status{display:none}
  .nav-link{padding:8px;font-size:12.5px}
  .command-bar{gap:12px;padding-inline:18px}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr}
  .footer-contact{grid-column:1 / -1;border-left:0;border-top:2px solid var(--line)}
}

/* ---------- 移动端 ---------- */
@media (max-width:900px){
  body{padding-bottom:76px}

  .site-header{position:relative;grid-template-columns:1fr}
  .brand-rail{
    flex-direction:row;align-items:center;justify-content:space-between;gap:12px;
    padding:10px var(--edge);border-right:0;
    border-bottom:2px solid rgba(200,255,61,.18);
  }
  .brand-mark{flex-direction:row;align-items:center;gap:10px}
  .brand-mark__glyph{width:36px;height:36px;font-size:13px;box-shadow:3px 3px 0 rgba(3,10,8,.9)}
  .brand-mark__name{writing-mode:horizontal-tb;font-size:15px;letter-spacing:.08em}
  .brand-mark__sub{display:none}
  .rail-line,.rail-tag{display:none}
  .rail-coords{flex-direction:row;gap:12px;writing-mode:horizontal-tb;font-size:9px;letter-spacing:.1em}

  .command-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:110;
    min-height:0;padding:10px 14px;
    gap:10px;
    background:rgba(3,10,8,.97);
    border-top:2px solid rgba(200,255,61,.32);
    box-shadow:0 -14px 30px -18px #000;
  }
  .command-status{display:inline-flex;flex:1;font-size:10px;letter-spacing:.06em;gap:6px;overflow:hidden;text-overflow:ellipsis}
  .command-actions{gap:8px;margin-left:auto}
  .command-actions .btn--sm{padding:7px 11px;font-size:12px;box-shadow:2px 2px 0 rgba(3,10,8,.9)}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;left:0;right:0;bottom:0;z-index:105;
    max-height:80vh;overflow:auto;
    padding:20px var(--edge) 90px;
    background:linear-gradient(180deg,#0E2A21,#04120E);
    border-top:3px solid var(--lime);
    box-shadow:0 -24px 60px -30px #000;
    transform:translateY(105%);
    transition:transform .24s ease;
  }
  .site-nav[data-open]{transform:translateY(0)}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    width:100%;padding:14px 12px;font-size:16px;
    border:2px solid transparent;border-bottom:1px solid rgba(242,238,223,.08);
  }
  .nav-link__idx{order:2;font-size:11px;color:var(--rock)}
  .nav-link[aria-current="page"]{border-color:var(--lime);border-bottom-color:var(--lime)}

  .section{padding-block:clamp(30px,7vw,52px)}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1;border-left:0;border-bottom:2px solid var(--line)}
  .footer-col:nth-of-type(1){border-left:0}
  .footer-contact{grid-column:1 / -1}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:620px){
  .footer-main{grid-template-columns:1fr}
  .footer-col{border-left:0;border-top:2px solid var(--line)}
  .footer-brand{border-top:0}
  .footer-legal__links{gap:14px}
}

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