/* ============================================================
   博尊体育登录 · 共享站点套件  /assets/site.css
   夜间赛场指挥台 × 展览画册档案系统
   ============================================================ */

/* ---------- 01 设计变量 ---------- */
:root{
  --ink-900:#07111F;
  --ink-800:#0B1B2E;
  --ink-700:#122A42;
  --line-blue:#22364A;
  --cyan:#32E6E2;
  --orange:#FF6A2B;
  --lime:#B6FF3B;
  --coral:#FF4D5E;
  --gray:#8EA3B8;
  --paper:#F4F7FA;

  --bg:var(--ink-900);
  --panel:var(--ink-800);
  --panel-2:var(--ink-700);
  --text:var(--paper);
  --text-soft:var(--gray);
  --line:var(--line-blue);

  --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",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,monospace;

  --maxw:1240px;
  --gutter:clamp(16px,4vw,48px);
  --r-sm:4px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 20px 46px -28px rgba(0,0,0,.95);
  --ease:cubic-bezier(.2,.7,.25,1);
}

/* ---------- 02 重置与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 560px at 82% -12%,rgba(50,230,226,.10),transparent 62%),
    radial-gradient(880px 520px at 4% 102%,rgba(255,106,43,.08),transparent 66%),
    repeating-linear-gradient(0deg,rgba(34,54,74,.30) 0 1px,transparent 1px 76px),
    repeating-linear-gradient(90deg,rgba(34,54,74,.30) 0 1px,transparent 1px 76px);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.14;
  letter-spacing:.01em;
  color:var(--paper);
  margin:0 0 .5em;
}
h1{font-size:clamp(2.6rem,7vw,6.4rem);line-height:1.02}
h2{font-size:clamp(2rem,4.5vw,4rem)}
h3{font-size:clamp(1.3rem,2.2vw,1.8rem)}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em}
a{color:var(--cyan);text-underline-offset:3px}
a:hover{color:var(--paper)}
strong,b{color:var(--paper);font-weight:700}
hr{border:0}
#main-content{display:block;scroll-margin-top:110px}

/* ---------- 03 排版工具 ---------- */
.t-display{
  font-family:var(--font-display);
  font-size:clamp(2.6rem,7vw,6.4rem);
  line-height:1.02;
  letter-spacing:.01em;
  margin:0;
}
.t-eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gray);
  margin:0 0 .9em;
}
.t-note{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-soft);
}
.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}

/* ---------- 04 容器与布局 ---------- */
.container{width:min(calc(100% - var(--gutter) * 2),var(--maxw));margin-inline:auto}
.container--narrow{width:min(calc(100% - var(--gutter) * 2),860px);margin-inline:auto}
.section{padding-block:clamp(38px,6vw,86px)}
.section-head{display:grid;gap:10px;max-width:70ch;margin-bottom:clamp(20px,3vw,36px)}
.section-eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--orange);
  margin:0;
}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(1.7rem,3.4vw,2.7rem);
  line-height:1.12;
  letter-spacing:.01em;
  margin:0;
}
.section-lede{color:var(--gray);font-size:1.02rem;max-width:62ch;margin:0}
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.split{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,44px)}
.rule{height:1px;background:var(--line);margin-block:clamp(20px,3vw,34px)}
@media (min-width:900px){
  .split{grid-template-columns:7fr 5fr}
  .split--flip{grid-template-columns:5fr 7fr}
}

/* ---------- 05 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn--solid{background:var(--cyan);border-color:var(--cyan);color:#04121A}
.btn--solid:hover,.btn--solid:focus-visible{background:var(--paper);border-color:var(--paper);color:#04121A}
.btn--accent{background:var(--orange);border-color:var(--orange);color:#1A0A02}
.btn--accent:hover,.btn--accent:focus-visible{background:#FF8A55;border-color:#FF8A55;color:#1A0A02}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--cyan);color:var(--cyan);background:rgba(50,230,226,.08)}
.btn:active{transform:translateY(1px)}

/* ---------- 06 标签与状态 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:rgba(18,42,66,.6);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gray);
}
.tag--cyan{color:var(--cyan);border-color:rgba(50,230,226,.45)}
.tag--orange{color:var(--orange);border-color:rgba(255,106,43,.5)}
.tag--lime{color:var(--lime);border-color:rgba(182,255,59,.45)}
.status-dot{
  display:inline-block;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(182,255,59,.16);
  vertical-align:middle;
}
.status-dot--live{background:var(--cyan);box-shadow:0 0 0 3px rgba(50,230,226,.16)}
.status-dot--warn{background:var(--coral);box-shadow:0 0 0 3px rgba(255,77,94,.16)}

/* ---------- 07 档案卡片 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(18,42,66,.86),rgba(11,27,46,.94));
  box-shadow:var(--shadow);
}
.panel::after{
  content:"";
  position:absolute;
  inset:6px;
  border:1px solid rgba(244,247,250,.05);
  border-radius:6px;
  pointer-events:none;
}
.panel--raise{transform:translateY(-2px)}
.panel-kicker{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orange);
  margin:0 0 8px;
}
.panel-title{
  font-family:var(--font-display);
  font-size:1.35rem;
  letter-spacing:.02em;
  margin:0;
}
.archive-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 10px;
  border-left:3px solid var(--cyan);
  background:rgba(50,230,226,.1);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}

/* ---------- 08 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel-2);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,17,31,0) 45%,rgba(7,17,31,.72) 100%);
  pointer-events:none;
}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame-caption{
  margin:8px 0 0;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gray);
}

/* ---------- 09 面包屑 ---------- */
.breadcrumb{margin:0 0 clamp(18px,3vw,28px)}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gray);
}
.breadcrumb-item{display:flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:var(--line-blue)}
.breadcrumb-link{color:var(--gray);text-decoration:none;border-bottom:1px solid transparent}
.breadcrumb-link:hover,.breadcrumb-link:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumb-current{color:var(--paper)}

/* ---------- 10 悬浮胶囊页头 ---------- */
.skip-link{
  position:fixed;
  left:50%;
  top:-120px;
  transform:translateX(-50%);
  z-index:400;
  padding:12px 22px;
  border-radius:0 0 12px 12px;
  background:var(--cyan);
  color:#04121A;
  font-weight:700;
  text-decoration:none;
  transition:top .16s var(--ease);
}
.skip-link:focus{top:0;color:#04121A}

.scroll-meter{
  position:fixed;
  inset:0 0 auto 0;
  height:2px;
  z-index:320;
  background:rgba(34,54,74,.6);
  pointer-events:none;
}
.scroll-meter-bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--lime));
}

.site-header{
  position:sticky;
  top:0;
  z-index:300;
  display:flex;
  justify-content:center;
  padding:14px var(--gutter);
  background:linear-gradient(180deg,rgba(7,17,31,.94),rgba(7,17,31,.55) 62%,rgba(7,17,31,0));
}
.header-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  width:min(100%,var(--maxw));
  padding:10px 12px 10px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(11,27,46,.78);
  box-shadow:0 22px 48px -30px #000, inset 0 0 0 1px rgba(50,230,226,.06);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header[data-stuck="true"] .header-shell{
  background:rgba(11,27,46,.93);
  border-color:rgba(50,230,226,.3);
  box-shadow:0 26px 60px -30px #000, 0 0 0 1px rgba(50,230,226,.08);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  padding:4px;
  border-radius:var(--r-pill);
  color:var(--paper);
  text-decoration:none;
}
.brand:hover{color:var(--paper)}
.brand-mark{
  position:relative;
  display:grid;
  place-items:center;
  width:30px;height:30px;
  border:1px solid var(--cyan);
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(50,230,226,.24),transparent 70%);
}
.brand-mark::before{
  content:"";
  width:9px;height:9px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(50,230,226,.9);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:-5px;
  border:1px dashed rgba(50,230,226,.32);
  border-radius:50%;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.06rem;
  letter-spacing:.06em;
  color:var(--paper);
}
.brand-tag{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gray);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:48px;
  height:44px;
  padding:0;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(18,42,66,.7);
  cursor:pointer;
  transition:border-color .16s var(--ease),background-color .16s var(--ease);
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--cyan)}
.nav-toggle-line{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}

/* 导航 */
.site-nav{display:none;flex:1 1 auto;justify-content:center;min-width:0}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-item{display:flex}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--r-pill);
  color:var(--gray);
  font-size:.94rem;
  letter-spacing:.02em;
  text-decoration:none;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:8px;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper);background:rgba(50,230,226,.08)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--paper);background:rgba(50,230,226,.13)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}

/* 页头行动锚点 */
.header-cta{
  display:inline-flex;
  align-items:center;
  margin-left:auto;
  min-height:44px;
  padding:0 18px;
  border:1px solid var(--cyan);
  border-radius:var(--r-pill);
  background:var(--cyan);
  color:#04121A;
  font-size:.92rem;
  font-weight:600;
  letter-spacing:.04em;
  white-space:nowrap;
  text-decoration:none;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.header-cta:hover,.header-cta:focus-visible{background:var(--paper);border-color:var(--paper);color:#04121A}

/* 移动端展开态 */
@media (max-width:939px){
  .site-header{padding:10px 12px}
  .header-shell{
    flex-wrap:wrap;
    gap:10px;
    padding:10px 14px;
    border-radius:20px;
  }
  .brand{order:1}
  .header-cta{order:2;margin-left:auto;padding:0 14px;font-size:.86rem}
  .nav-toggle{order:3;margin-left:0}
  .site-nav{order:4;flex:1 0 100%;display:none}
  .site-header[data-open="true"] .site-nav{display:block}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin-top:8px;
    padding-top:10px;
    border-top:1px solid var(--line);
  }
  .nav-link{
    min-height:48px;
    padding:0 12px;
    border-radius:10px;
    font-size:1rem;
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--cyan)}
  .site-header[data-open="true"] .nav-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header[data-open="true"] .nav-toggle-line:nth-child(2){opacity:0}
  .site-header[data-open="true"] .nav-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:1180px){
  .brand-tag{display:none}
}
@media (max-width:479px){
  .brand-name{font-size:.95rem}
  .brand-mark{width:26px;height:26px}
  .header-cta{padding:0 12px;font-size:.8rem}
}
@media (min-width:940px){
  .site-nav{display:flex}
  .nav-toggle{display:none}
}

/* ---------- 11 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  border-top:1px solid var(--line);
  background:var(--ink-800);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--orange) 48%,var(--lime));
  opacity:.9;
}
.footer-shell{
  width:min(calc(100% - var(--gutter) * 2),var(--maxw));
  margin-inline:auto;
  padding:clamp(34px,5vw,64px) 0 28px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,4vw,44px);
}
.footer-brand-line{
  font-family:var(--font-display);
  font-size:1.05rem;
  letter-spacing:.05em;
  color:var(--paper);
  margin:0;
}
.footer-brand-note{
  max-width:34ch;
  margin:10px 0 0;
  color:var(--gray);
  font-size:.9rem;
}
.footer-stamp{
  display:inline-block;
  margin-top:16px;
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gray);
  transform:rotate(-2deg);
}
.footer-heading{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-nav-list,.footer-legal-list,.footer-contact-list{
  display:grid;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-item{display:flex}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:4px 8px 4px 0;
  border-radius:6px;
  color:var(--gray);
  font-size:.94rem;
  text-decoration:none;
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{color:var(--paper);transform:translateX(2px)}
.footer-num{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--gray);
  opacity:.62;
}
.footer-link:hover .footer-num,.footer-link:focus-visible .footer-num{color:var(--orange);opacity:1}
.footer-note{
  margin:14px 0 0;
  max-width:36ch;
  color:var(--gray);
  font-size:.82rem;
  line-height:1.65;
}
.footer-contact-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:10px;
  padding:8px 0;
  border-bottom:1px dashed rgba(34,54,74,.95);
}
.footer-contact-key{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gray);
  padding-top:2px;
}
.footer-contact-value{color:var(--paper);font-size:.92rem;overflow-wrap:anywhere}
.footer-mono{font-family:var(--font-mono);letter-spacing:.04em}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:20px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--gray);
}
.footer-icp,.footer-copy{margin:0}
@media (min-width:700px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1080px){
  .footer-top{grid-template-columns:1.25fr 1fr .85fr 1fr}
}

/* ---------- 12 进场显现 ---------- */
[data-reveal]{transition:opacity .45s var(--ease),transform .45s var(--ease)}
[data-reveal].is-armed{opacity:0;transform:translateY(14px)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 13 可访问性 ---------- */
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  [data-reveal].is-armed{opacity:1;transform:none}
}

/* ---------- 14 打印 ---------- */
@media print{
  body{background:#fff;color:#111;background-image:none}
  .site-header,.site-footer,.scroll-meter,.skip-link,.nav-toggle{display:none!important}
  a{color:#111;text-decoration:underline}
  .panel{border-color:#bbb;box-shadow:none;background:#fff}
}