/* 博喜体育入口 · 共享样式 /assets/site.css */

*,*::before,*::after{box-sizing:border-box}

:root{
  --ink:#0B1F1A;
  --surface:#12302A;
  --line:#1F4A3D;
  --lime:#C6FF4F;
  --orange:#FF6B2C;
  --amber:#FFC24B;
  --paper:#E8F1EC;
  --muted:#9DB3AA;
  --cyan:#4FD8C4;
  --glass:#06120F;
  --rail-w:264px;
  --maxw:1440px;
  --gutter:clamp(18px,5vw,64px);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:26px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (max-width:1079px){
  html.is-nav-open,
  html.is-nav-open body{overflow:hidden}
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 88% -12%,rgba(79,216,196,.10),transparent 62%),
    radial-gradient(880px 480px at 6% 108%,rgba(198,255,79,.07),transparent 66%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}

main{display:block}
#main-content:focus{outline:none}

h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0}
img,svg,picture,video{max-width:100%}
a{color:inherit}

h1,h2,h3,h4{font-weight:800;line-height:1.22;letter-spacing:.05em;color:var(--paper)}
h1{font-size:clamp(34px,4.6vw,56px)}
h2{font-size:clamp(25px,3.2vw,34px)}
h3{font-size:clamp(18px,2.2vw,22px)}
h4{font-size:17px;letter-spacing:.04em}
p{max-width:72ch}

strong{font-weight:800;color:#fff}
em{font-style:normal;color:var(--lime)}

::selection{background:rgba(198,255,79,.28);color:#fff}

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

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;
  background:var(--lime);color:#08150F;
  font:700 13px/1.4 var(--font-sans);letter-spacing:.06em;
  text-decoration:none;
  border-radius:10px 10px 10px 2px;
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 头部轨道 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,18,15,.94);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}

.rail-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  max-width:var(--maxw);margin-inline:auto;
  padding:12px 18px;
}

.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--paper);min-width:0}
.brand-mark{
  flex:0 0 auto;
  display:grid;place-items:center;
  width:40px;height:40px;
  background:var(--lime);color:#08150F;
  font:800 17px/1 var(--font-mono);
  border-radius:13px 13px 13px 3px;
}
.brand-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.06em;line-height:1.2;white-space:nowrap}
.brand-line{font:600 11px/1.3 var(--font-mono);letter-spacing:.14em;color:var(--muted);white-space:nowrap}
.brand-descriptor{
  display:none;
  align-self:flex-start;
  margin-top:2px;
  padding:2px 8px;
  font:600 10.5px/1.5 var(--font-mono);letter-spacing:.16em;
  color:var(--cyan);
  border:1px solid rgba(79,216,196,.42);
  border-radius:999px;
}

.nav-toggle{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 14px 9px 12px;
  background:rgba(18,48,42,.6);
  color:var(--paper);
  border:1px solid var(--line);
  border-radius:12px 12px 12px 3px;
  font:700 13px/1 var(--font-sans);letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .16s ease,color .16s ease,background-color .16s ease;
}
.nav-toggle:hover{border-color:rgba(198,255,79,.55);color:var(--lime)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle-bars span{display:block;height:2px;width:100%;background:currentColor;border-radius:2px;transition:transform .24s ease,opacity .18s ease}
.nav-toggle-label{white-space:nowrap}
.site-header[data-open="true"] .nav-toggle{border-color:var(--lime);color:var(--lime)}
.site-header[data-open="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bars span:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 抽屉 */
.rail-body{
  position:fixed;inset:0;z-index:65;
  display:flex;flex-direction:column;gap:8px;
  padding:86px 18px 26px;
  background:linear-gradient(180deg,#06120F 0%,#0B1F1A 58%,#0E251F 100%);
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-12px);pointer-events:none;
  transition:opacity .22s ease,transform .28s cubic-bezier(.2,.8,.3,1),visibility .22s;
}
.site-header[data-open="true"] .rail-body{
  opacity:1;visibility:visible;transform:none;pointer-events:auto;
}

.nav-caption{
  margin:0 0 10px;
  font:700 11px/1.4 var(--font-mono);letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);
}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.nav-item{min-width:0}
.nav-link{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;
  text-decoration:none;color:var(--paper);
  font-size:17px;font-weight:700;letter-spacing:.05em;
  border-left:2px solid transparent;
  border-radius:0 12px 12px 0;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.nav-index{font:600 11px/1 var(--font-mono);letter-spacing:.1em;color:var(--muted);min-width:20px}
.nav-label{white-space:nowrap}
.nav-link:hover{background:rgba(198,255,79,.06);color:var(--lime);transform:translateX(2px)}
.nav-link[aria-current="page"]{
  border-left-color:var(--lime);
  background:linear-gradient(90deg,rgba(198,255,79,.18),rgba(198,255,79,0));
  color:var(--lime);
}
.nav-link[aria-current="page"] .nav-index{color:var(--lime)}

.rail-foot{
  margin-top:auto;
  display:flex;flex-direction:column;gap:12px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.rail-status{margin:0;font-size:12.5px;line-height:1.65;color:var(--muted);max-width:34ch}
.rail-actions{list-style:none;margin:0;padding:0;display:grid;gap:8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  border:1px solid transparent;
  border-radius:12px 12px 12px 3px;
  font:700 14px/1.2 var(--font-sans);letter-spacing:.09em;
  text-decoration:none;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.btn-primary{background:var(--lime);color:#08150F;border-color:var(--lime)}
.btn-primary:hover{background:#D9FF7E;border-color:#D9FF7E;transform:translateY(-1px)}
.btn-ghost{background:rgba(232,241,236,.03);color:var(--paper);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-small{padding:8px 13px;font-size:12.5px}
.btn-block{width:100%}

/* ---------- 容器与栅格 ---------- */
.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.shell--narrow{max-width:880px}

.section{position:relative;padding-block:clamp(40px,6vw,80px)}
.section--ruled{border-top:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 20px;margin-bottom:clamp(20px,3vw,32px)}
.eyebrow{
  margin:0;
  font:700 11.5px/1.5 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;
  color:var(--lime);
}
.section-title{margin:0}
.section-note{margin:0;font-size:14px;line-height:1.7;color:var(--muted);max-width:58ch}

.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(168px,1fr))}
.split{display:grid;gap:clamp(20px,3vw,36px)}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
}

/* ---------- 基础组件 ---------- */
.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(16px,2vw,24px);
  transition:transform .18s ease,border-color .18s ease,background-color .18s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(198,255,79,.45)}
.card-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:10px}
.card-title{margin:0;font-size:clamp(17px,2vw,20px);letter-spacing:.04em}
.card-body{font-size:15px;line-height:1.75;color:var(--muted)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font:600 11.5px/1.6 var(--font-mono);letter-spacing:.12em;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(6,18,15,.5);
  white-space:nowrap;
}
.tag--live{color:var(--cyan);border-color:rgba(79,216,196,.5);background:rgba(79,216,196,.08)}
.tag--warn{color:var(--orange);border-color:rgba(255,107,44,.5);background:rgba(255,107,44,.08)}
.tag--score{color:var(--amber);border-color:rgba(255,194,75,.5);background:rgba(255,194,75,.08)}

.chip{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  background:rgba(18,48,42,.62);
  color:var(--paper);
  border:1px solid var(--line);
  border-radius:10px 10px 10px 2px;
  font:600 13px/1.4 var(--font-sans);letter-spacing:.05em;
  cursor:pointer;
  transition:border-color .12s ease,color .12s ease,background-color .12s ease;
}
.chip:hover{border-color:rgba(198,255,79,.5);color:var(--lime)}
.chip[aria-pressed="true"]{
  border-color:var(--lime);
  color:var(--lime);
  background:rgba(198,255,79,.1);
}
.chip[aria-pressed="true"]::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:0;
  border-left:10px solid var(--lime);
  border-top:10px solid transparent;
}

.stat{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;letter-spacing:-.01em;line-height:1;
  color:var(--paper);
}
.stat--md{font-size:clamp(28px,4vw,44px)}
.stat--lg{font-size:clamp(48px,9vw,104px)}
.stat--accent{color:var(--amber)}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.muted{color:var(--muted)}
.hairline{height:1px;border:0;margin:0;background:var(--line)}

/* ---------- 图片容器基础规则（页面阶段使用） ---------- */
.media{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#12302A 0%,#06120F 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  isolation:isolate;
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media-img{display:block;width:100%;height:100%;object-fit:cover}
.media-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(31,74,61,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,74,61,.55) 1px,transparent 1px);
  background-size:38px 38px;
  opacity:.5;
  pointer-events:none;
}
.media-overlay{
  position:absolute;inset:0;
  background:linear-gradient(158deg,rgba(11,31,26,.05) 0%,rgba(6,18,15,.88) 100%);
  pointer-events:none;
}
.media-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 10px;
  font:700 11px/1.5 var(--font-mono);letter-spacing:.14em;
  color:#08150F;background:var(--lime);
  border-radius:8px 8px 8px 2px;
}
.media-caption{margin-top:8px;font:600 12px/1.6 var(--font-mono);letter-spacing:.06em;color:var(--muted)}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin-bottom:clamp(14px,2vw,22px)}
.breadcrumb-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb-item{
  display:flex;align-items:center;gap:8px;
  font:600 11.5px/1.6 var(--font-mono);letter-spacing:.12em;
  color:var(--muted);
}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:var(--line)}
.breadcrumb-link{color:var(--muted);text-decoration:none;transition:color .16s ease}
.breadcrumb-link:hover,.breadcrumb-link:focus-visible{color:var(--lime)}
.breadcrumb-item[aria-current="page"]{color:var(--paper)}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:90;
  background:rgba(31,74,61,.35);
  pointer-events:none;
}
.read-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--lime));
  transition:width .12s linear;
}
@media (min-width:1080px){
  .read-progress{left:var(--rail-w)}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--glass);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--lime) 0%,var(--cyan) 38%,var(--orange) 76%,rgba(255,107,44,0) 100%);
  opacity:.85;
}
.site-footer::after{
  content:"";position:absolute;right:-140px;top:-120px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(79,216,196,.15),transparent 68%);
  pointer-events:none;
}
.footer-inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:clamp(40px,6vw,72px) var(--gutter) 26px;
  display:grid;gap:clamp(26px,4vw,48px);
}
.footer-kicker{margin:0;font:700 11.5px/1.5 var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--lime)}
.footer-brand{margin:12px 0 0;font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:.07em;color:var(--paper)}
.footer-note{margin:14px 0 0;font-size:13.5px;line-height:1.7;color:var(--muted);max-width:46ch}
.footer-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 28px}
.footer-col-title{margin:0 0 12px;font:700 11.5px/1.5 var(--font-mono);letter-spacing:.22em;color:var(--lime)}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;letter-spacing:.03em;
  color:var(--paper);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-link::before{content:"";width:7px;height:1px;background:currentColor;opacity:.55}
.footer-link:hover,.footer-link:focus-visible{color:var(--lime);border-bottom-color:rgba(198,255,79,.55)}
.footer-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.footer-contact{
  flex:1 1 100%;
  margin:0;
  font:600 13px/1.7 var(--font-mono);letter-spacing:.03em;
  color:var(--paper);
  word-break:break-word;
}
.footer-area{flex:1 1 auto;margin:0;font-size:12.5px;line-height:1.7;color:var(--muted)}
.footer-legal-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 16px}
.footer-mini-link{
  font:600 12px/1.6 var(--font-mono);letter-spacing:.1em;
  color:var(--muted);text-decoration:none;
  transition:color .16s ease;
}
.footer-mini-link:hover,.footer-mini-link:focus-visible{color:var(--lime)}
.footer-legal{flex:1 1 100%;margin:0;font-size:12px;line-height:1.7;color:rgba(157,179,170,.8)}

/* ---------- 桌面：左侧固定轨道 ---------- */
@media (min-width:1080px){
  body{padding-left:var(--rail-w)}

  .site-header{
    position:fixed;inset:0 auto 0 0;width:var(--rail-w);
    display:flex;flex-direction:column;
    border-bottom:0;border-right:1px solid var(--line);
    background:linear-gradient(180deg,#0E251F 0%,var(--surface) 44%,var(--glass) 100%);
    -webkit-backdrop-filter:none;backdrop-filter:none;
    z-index:70;
  }
  .site-header::after{
    content:"";position:absolute;right:0;bottom:0;width:3px;height:42%;
    background:linear-gradient(180deg,transparent,var(--lime));
  }
  .rail-head{
    max-width:none;
    align-items:flex-start;
    padding:24px 22px 20px;
    border-bottom:1px solid var(--line);
  }
  .brand-mark{width:42px;height:42px;font-size:18px}
  .brand-name{font-size:16.5px}
  .brand-descriptor{display:inline-block}
  .nav-toggle{display:none}

  .rail-body{
    position:static;inset:auto;z-index:auto;
    flex:1;min-height:0;
    display:flex;flex-direction:column;gap:0;
    padding:0;overflow:visible;
    background:none;opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:none;
  }
  .site-nav{flex:1 1 auto;min-height:0;overflow-y:auto;padding:20px 14px 14px}
  .nav-caption{padding-inline:6px;margin-bottom:12px}
  .nav-link{font-size:15px;padding:11px 12px;letter-spacing:.06em}
  .nav-label{font-size:15px}
  .rail-foot{
    margin-top:0;
    padding:16px 18px 22px;
    background:rgba(6,18,15,.62);
  }
  .rail-foot .btn{font-size:13px;padding:10px 12px}
}

/* ---------- 平板 ---------- */
@media (min-width:640px) and (max-width:1079px){
  .rail-body{max-width:420px;border-right:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.55)}
  .brand-line{font-size:11.5px}
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (min-width:860px){
  .footer-inner{grid-template-columns:minmax(240px,1fr) minmax(0,1.15fr);align-items:start}
  .footer-meta{grid-column:1 / -1}
}

/* ---------- 动效与减弱动态 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .52s ease,transform .52s cubic-bezier(.2,.75,.3,1);
}
html.js [data-reveal].is-revealed{opacity:1;transform:none}

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