/* ============================================================
   8博体育 · site.css  /  夜间体育数据编辑室
   共享层：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

:root{
  --ink:#061A15;
  --pine:#0C2A23;
  --line:#1B4A3E;
  --lime:#B8FF3D;
  --cyan:#5FFFD0;
  --orange:#FF9A4A;
  --orange-deep:#C45F1A;
  --mist:#EAF5EF;
  --fog:#C7D8D0;
  --sage:#8FA79D;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono",monospace;

  --max:1320px;
  --gutter:clamp(18px,4vw,52px);
  --radius:2px;
  --ease:cubic-bezier(.22,.68,.3,1);
  --header-h:76px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 640px at 84% -12%,rgba(95,255,208,.10),transparent 62%),
    radial-gradient(900px 520px at 4% 2%,rgba(184,255,61,.07),transparent 58%);
  background-repeat:no-repeat;
  color:var(--fog);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--cyan);text-decoration:none;}
::selection{background:var(--lime);color:var(--ink);}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4{color:var(--mist);font-weight:900;letter-spacing:-.02em;line-height:1.04;}
.display{
  font-size:clamp(40px,7vw,112px);
  line-height:.95;
  letter-spacing:-.035em;
  font-weight:900;
  color:var(--mist);
}
.section-title{
  font-size:clamp(26px,3.4vw,46px);
  line-height:1.06;
  letter-spacing:-.025em;
}
.lede{
  max-width:72ch;
  font-size:clamp(16px,1.15vw,18px);
  line-height:1.75;
  color:var(--fog);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:none;}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.vlabel{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--sage);
  writing-mode:vertical-rl;
  text-orientation:mixed;
}

/* ---------- 无障碍 ---------- */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:10px;left:10px;z-index:400;
  display:inline-flex;align-items:center;min-height:44px;
  padding:0 18px;border-radius:var(--radius);
  background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none;outline:2px solid var(--cyan);outline-offset:3px;}
:where(a,button,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:var(--radius);
}

/* ---------- 布局基元 ---------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);}
.container--narrow{max-width:860px;}
.section{padding-block:clamp(48px,7vw,104px);}
.band{
  background:var(--pine);
  border-block:1px solid var(--line);
}
.grid{display:grid;gap:clamp(16px,2.4vw,32px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.rule{height:1px;border:0;margin:0;background:var(--line);}

/* ---------- 标签 / 表面 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  padding:3px 9px;border-radius:999px;
  border:1px solid var(--line);color:var(--sage);
  background:rgba(6,26,21,.55);
}
.tag--lime{color:var(--lime);border-color:rgba(184,255,61,.38);background:rgba(184,255,61,.08);}
.tag--orange{color:var(--orange);border-color:rgba(255,154,74,.38);background:rgba(255,154,74,.09);}

.panel{
  background:rgba(12,42,35,.55);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,28px);
  -webkit-backdrop-filter:blur(10px) saturate(130%);
  backdrop-filter:blur(10px) saturate(130%);
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.panel:hover{
  border-color:rgba(95,255,208,.55);
  background:rgba(12,42,35,.74);
  transform:translateY(-2px);
}
.slab{
  background:var(--pine);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,2.4vw,28px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;
  border:1px solid transparent;border-radius:var(--radius);
  background:none;color:var(--mist);
  font-family:inherit;font-size:14px;font-weight:700;letter-spacing:.01em;
  line-height:1;text-align:center;text-decoration:none;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn--lime{background:var(--lime);border-color:var(--lime);color:#06210F;}
.btn--lime:hover{background:#CDFF74;border-color:#CDFF74;color:var(--ink);transform:translateY(-1px);}
.btn--ghost{border-color:var(--line);background:rgba(12,42,35,.62);color:var(--fog);}
.btn--ghost:hover{border-color:var(--cyan);background:rgba(95,255,208,.10);color:var(--mist);}
.btn--orange{background:rgba(255,154,74,.14);border-color:rgba(255,154,74,.5);color:var(--orange);}
.btn--orange:hover{background:var(--orange);border-color:var(--orange);color:#2A1204;}

/* ---------- 图片容器（页面阶段放 <img>） ---------- */
.frame{
  position:relative;overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--line);border-radius:var(--radius);
  background:
    linear-gradient(160deg,var(--pine) 0%,rgba(6,26,21,.9) 62%,#04120E 100%);
}
.frame--wide{aspect-ratio:16/9;}
.frame--tall{aspect-ratio:3/4;}
.frame--square{aspect-ratio:1/1;}
.frame>img,.frame>video{width:100%;height:100%;object-fit:cover;}
.frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(6,26,21,0) 42%,rgba(6,26,21,.78) 100%),
    repeating-linear-gradient(0deg,rgba(27,74,62,.28) 0 1px,transparent 1px 44px);
  mix-blend-mode:normal;
}
.frame-tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--mist);background:rgba(6,26,21,.74);
  border:1px solid var(--line);padding:4px 9px;
}
.frame-grid{
  display:grid;gap:clamp(12px,1.6vw,20px);
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:18px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--sage);
}
.breadcrumbs a{color:var(--fog);text-decoration:none;transition:color .18s var(--ease);}
.breadcrumbs a:hover{color:var(--cyan);}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumbs li+li::before{content:"/";color:var(--line);}
.breadcrumbs [aria-current="page"]{color:var(--lime);}

/* ============================================================
   头部：紧凑命令栏
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(6,26,21,.86);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header[data-scrolled]{
  background:rgba(6,26,21,.97);
  box-shadow:0 22px 40px -34px #000;
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--cyan));
  pointer-events:none;
}
.header-bar{
  display:flex;align-items:center;gap:clamp(10px,1.6vw,26px);
  width:100%;max-width:var(--max);
  min-height:var(--header-h);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:none;color:var(--mist);
}
.brand-mark{
  display:grid;place-items:center;
  width:34px;height:34px;flex:none;
  border:1px solid var(--lime);border-radius:var(--radius);
  background:rgba(184,255,61,.07);
  color:var(--lime);
  font-family:var(--font-mono);font-size:16px;font-weight:700;line-height:1;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.brand:hover .brand-mark{background:var(--lime);color:#06210F;}
.brand-text{display:flex;flex-direction:column;gap:3px;line-height:1;}
.brand-name{font-size:16px;font-weight:900;letter-spacing:-.01em;color:var(--mist);}
.brand-sub{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;
  color:var(--sage);text-transform:uppercase;
}

/* 版本状态灯 */
.status{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  padding:4px 9px;
  border:1px solid rgba(184,255,61,.30);border-radius:999px;
  background:rgba(184,255,61,.07);
  color:var(--lime);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;line-height:1;
}
.status>span[aria-hidden]{
  font-size:8px;
  animation:lamp 2.8s ease-in-out infinite;
}
.status--footer{font-size:10px;padding:3px 8px;}

/* 导航 */
.site-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  min-height:44px;padding:0 11px;
  border-radius:var(--radius);
  color:var(--fog);font-size:14px;font-weight:500;letter-spacing:.01em;
  text-decoration:none;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;
  color:var(--sage);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:#FFFFFF;background:rgba(95,255,208,.08);}
.nav-link:hover .nav-index{color:var(--cyan);}
.nav-link[aria-current="page"]{color:var(--mist);}
.nav-link[aria-current="page"] .nav-index{
  color:#06210F;background:var(--lime);
  padding:1px 4px;border-radius:1px;
}
.nav-link[aria-current="page"]::after{
  content:"";position:absolute;left:11px;right:11px;bottom:6px;height:2px;
  background:var(--lime);
}

/* 行动区 */
.header-actions{display:flex;align-items:center;gap:8px;flex:none;margin-left:auto;}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  min-height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(12,42,35,.66);
  color:var(--mist);cursor:pointer;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:5px;width:16px;flex:none;}
.nav-toggle-bar{height:2px;width:100%;background:currentColor;transition:transform .18s var(--ease);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child{transform:translateY(3.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child{transform:translateY(-3.5px) rotate(-45deg);}

/* ============================================================
   页脚：三行信息带
   ============================================================ */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:clamp(48px,8vw,112px);
  background:var(--pine);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;height:2px;
  width:min(260px,46%);
  background:linear-gradient(90deg,var(--lime),rgba(184,255,61,0));
}
.footer-inner{
  width:100%;max-width:var(--max);
  margin-inline:auto;
  padding:clamp(30px,4.4vw,54px) var(--gutter) clamp(24px,3vw,34px);
}
.footer-row{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:12px 28px;
  padding-block:18px;
  border-top:1px solid rgba(27,74,62,.85);
}
.footer-row:first-child{border-top:0;padding-top:0;}
.footer-row--brand{gap:14px 22px;}
.footer-row--legal{justify-content:space-between;gap:10px 22px;}

.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--mist);font-size:15px;font-weight:900;letter-spacing:-.01em;
}
.footer-mark{
  display:grid;place-items:center;
  width:26px;height:26px;
  border:1px solid var(--lime);border-radius:var(--radius);
  color:var(--lime);background:rgba(184,255,61,.07);
  font-family:var(--font-mono);font-size:12px;font-weight:700;line-height:1;
}
.footer-note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--sage);
}
.footer-row--brand .footer-note{margin-left:auto;}

.contact-item{display:inline-flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.contact-item--wide{flex:1 1 320px;}
.contact-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sage);
}
.contact-value{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
  color:var(--mist);
}
.contact-value--text{
  font-family:var(--font-sans);font-size:13px;letter-spacing:0;color:var(--fog);
}
.footer-row--contact .footer-note--clock{margin-left:auto;}

.footer-legal{
  font-size:12px;letter-spacing:.02em;color:var(--sage);
}
.footer-legal .mono{color:var(--fog);font-size:12px;}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:12px;}
.footer-links a{
  color:var(--fog);
  border-bottom:1px solid rgba(143,167,157,.36);
  padding-bottom:1px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-links a:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.footer-coord{
  position:absolute;right:12px;top:clamp(28px,4vw,52px);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  color:rgba(143,167,157,.55);
  writing-mode:vertical-rl;
  pointer-events:none;
}

/* ---------- 动效 ---------- */
@keyframes lamp{
  0%,100%{opacity:1;text-shadow:0 0 0 rgba(184,255,61,0);}
  50%{opacity:.55;text-shadow:0 0 10px rgba(184,255,61,.8);}
}
html.js [data-reveal]{opacity:0;transform:translateY(10px);}
html.js [data-reveal][data-revealed]{
  opacity:1;transform:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1023px){
  :root{--header-h:62px;}
  .header-bar{gap:12px;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;
    padding:12px var(--gutter) 22px;
    background:rgba(6,26,21,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 50px -40px #000;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    justify-content:flex-start;
  }
  .site-nav[data-open]{display:block;animation:nav-in .18s var(--ease);}
  @keyframes nav-in{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    width:100%;justify-content:flex-start;
    padding:14px 2px;min-height:48px;
    font-size:16px;border-radius:0;
    border-bottom:1px solid rgba(27,74,62,.7);
  }
  .nav-link[aria-current="page"]{background:rgba(184,255,61,.06);}
  .nav-link[aria-current="page"]::after{display:none;}
  .nav-index{font-size:11px;}
  .header-pin{display:none;}
  .nav-toggle{display:inline-flex;}
  body.nav-open{overflow:hidden;}
}

@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:700px){
  .header-cta{display:none;}
  .brand-sub{display:none;}
  .footer-coord{display:none;}
  .footer-row--brand .footer-note{margin-left:0;}
  .footer-row--contact .footer-note--clock{margin-left:0;}
}

@media (max-width:640px){
  body{font-size:16px;}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr);}
  .section{padding-block:clamp(36px,9vw,64px);}
  .frame-grid{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:520px){
  .status{display:none;}
  .contact-item--wide{flex:1 1 100%;}
  .footer-row{padding-block:16px;}
}

@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;}
  .panel:hover{transform:none;}
  .btn:hover{transform:none;}
}