/* =========================================================
   安博赛场 · 共享样式 /assets/site.css
   夜场深墨绿 + 炭黑底 / 荧光青指路 / 暖橙标时间
   ========================================================= */
:root{
  --c-deep:#0B1F1A;
  --c-char:#0E100D;
  --c-mid:#14332A;
  --c-cyan:#3DF2C0;
  --c-mist:#9FF7DE;
  --c-orange:#FF8A3D;
  --c-orange-soft:#FFC79B;
  --c-white:#F4F7F5;
  --c-grey:#7E8F88;
  --c-line:#1F4A3D;

  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",STSong,"SimSun",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --radius-pill:999px;
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;

  --shell:1200px;
  --gutter:20px;
  --ring:0 0 0 1px rgba(61,242,192,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-deep);
  color:var(--c-white);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img,video,svg{display:block;max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.24;margin:0 0 .6em;letter-spacing:.01em}
h1{font-size:clamp(40px,5vw,64px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
a{color:var(--c-mist);text-decoration:none}
a:hover{color:var(--c-cyan)}
button{font:inherit;color:inherit;background:none;border:0}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:4px}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-64px;z-index:90;
  display:inline-flex;align-items:center;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--c-cyan);color:var(--c-deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  transition:top .18s ease;
}
.skip-link:focus{top:14px;color:var(--c-deep)}

/* ---------- 悬浮胶囊页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px var(--gutter) 0;
}
.header-bar{
  position:relative;
  max-width:var(--shell);margin:0 auto;
  background:rgba(14,16,13,.82);
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  backdrop-filter:blur(14px) saturate(1.15);
  -webkit-backdrop-filter:blur(14px) saturate(1.15);
  box-shadow:0 18px 40px -28px rgba(0,0,0,.9);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease,border-radius .24s ease;
}
.header-inner{
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 20px;
  transition:padding .24s ease;
}
.site-header[data-scrolled="true"] .header-bar{
  background:rgba(11,31,26,.92);
  border-color:rgba(61,242,192,.28);
  box-shadow:0 20px 44px -30px rgba(61,242,192,.45);
}
.site-header[data-scrolled="true"] .header-inner{padding:6px 12px 6px 18px}

/* 品牌 */
.brand{
  display:flex;flex-direction:column;gap:1px;
  flex:0 0 auto;color:var(--c-white);text-decoration:none;
}
.brand:hover{color:var(--c-white)}
.brand-mark{
  position:relative;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
  letter-spacing:.04em;line-height:1.15;white-space:nowrap;
}
.brand-mark::after{
  content:"";display:inline-block;
  width:20px;height:2px;margin-left:9px;
  vertical-align:middle;border-radius:2px;background:var(--c-cyan);
}
.brand-tag{
  font-size:12px;line-height:1.4;color:var(--c-grey);letter-spacing:.02em;
  transition:opacity .2s ease;
}
.site-header[data-scrolled="true"] .brand-tag{display:none}

/* 栏目胶囊 */
.nav-capsule{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-item{flex:0 0 auto}
.nav-link{
  display:inline-block;padding:8px 13px;border-radius:var(--radius-pill);
  color:rgba(244,247,245,.76);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease,box-shadow .18s ease,padding .24s ease;
}
.nav-link:hover{color:var(--c-cyan);background:rgba(61,242,192,.08)}
.nav-link[aria-current="page"]{
  color:var(--c-deep);background:var(--c-cyan);
  box-shadow:var(--ring),0 8px 22px -12px rgba(61,242,192,.7);
}
.site-header[data-scrolled="true"] .nav-link{padding:6px 11px;font-size:12.5px}

/* 快捷入口胶囊 */
.header-utility{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;text-decoration:none;
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
}
.pill--accent{background:var(--c-cyan);border-color:var(--c-cyan);color:var(--c-deep)}
.pill--accent:hover{background:var(--c-mist);border-color:var(--c-mist);color:var(--c-deep)}
.pill--ghost{background:rgba(61,242,192,.06);border-color:var(--c-line);color:var(--c-cyan)}
.pill--ghost:hover{border-color:var(--c-cyan);color:var(--c-mist)}
.pill--warm{background:rgba(255,138,61,.08);border-color:rgba(255,138,61,.45);color:var(--c-orange-soft)}
.pill--warm:hover{border-color:var(--c-orange);color:var(--c-orange)}
.pill:active{transform:translateY(1px)}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 15px;border-radius:var(--radius-pill);
  background:rgba(61,242,192,.10);
  border:1px solid var(--c-line);
  color:var(--c-white);font-size:13px;font-weight:600;
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--c-cyan);background:rgba(61,242,192,.16)}
.nav-toggle__bars{position:relative;display:inline-block;width:16px;height:10px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:100%;height:2px;
  border-radius:2px;background:var(--c-cyan);
  transition:transform .2s ease;
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.site-header[data-open="true"] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}
.nav-toggle__text{letter-spacing:.06em}

/* 阅读进度 */
.scroll-progress{
  position:absolute;left:24px;right:24px;bottom:0;height:2px;
  border-radius:2px;background:rgba(159,247,222,.10);
  overflow:hidden;pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:var(--c-cyan);
  transition:width .12s linear;
}

/* ---------- 通用容器与章节 ---------- */
.shell{max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.section{padding:56px 0}
.section-head{max-width:46em;margin-bottom:26px}
.eyebrow{
  display:inline-block;margin:0 0 10px;
  font-family:var(--font-mono);font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-orange);
}
.section-title{margin:0 0 10px}
.section-note{margin:0;color:var(--c-grey);font-size:14.5px}
.lede{font-size:17px;color:rgba(244,247,245,.86)}
.prose{max-width:36em}
.prose p{color:rgba(244,247,245,.86)}
.prose h2,.prose h3{margin-top:1.6em}
.divider{height:1px;border:0;margin:0;background:var(--c-line)}

/* 数字与数据感 */
.num,.stat__value,.data-card__value,.data-card__label,.footer-legal,.footer-contact-value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.num{margin:0 .12em;color:var(--c-cyan)}
.stat{
  border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:18px 20px;background:var(--c-mid);
}
.stat__value{display:block;font-size:clamp(28px,4vw,44px);line-height:1.1;color:var(--c-orange-soft)}
.stat__label{display:block;margin-top:6px;font-size:13px;color:var(--c-grey)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);background:transparent;color:var(--c-white);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;text-decoration:none;
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{color:var(--c-cyan);border-color:var(--c-cyan)}
.btn--primary{background:var(--c-cyan);border-color:var(--c-cyan);color:var(--c-deep)}
.btn--primary:hover{background:var(--c-mist);border-color:var(--c-mist);color:var(--c-deep)}
.btn--ghost{background:rgba(61,242,192,.06);border-color:var(--c-line);color:var(--c-mist)}
.btn--warm{background:rgba(255,138,61,.10);border-color:rgba(255,138,61,.5);color:var(--c-orange-soft)}
.btn--warm:hover{color:var(--c-orange);border-color:var(--c-orange)}
.btn:active{transform:translateY(1px)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--c-line);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--c-grey);
  white-space:nowrap;
}
.tag--cyan{border-color:rgba(61,242,192,.5);color:var(--c-cyan);background:rgba(61,242,192,.06)}
.tag--warm{border-color:rgba(255,138,61,.45);color:var(--c-orange-soft);background:rgba(255,138,61,.06)}

/* ---------- 三类卡片 ---------- */
.card{border-radius:var(--radius-lg);padding:22px}
.entry-card{
  display:block;border:1px solid rgba(61,242,192,.42);
  border-radius:var(--radius-lg);
  padding:20px 22px;background:rgba(61,242,192,.05);
  color:var(--c-white);text-decoration:none;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.entry-card:hover{border-color:var(--c-cyan);background:rgba(61,242,192,.10);transform:translateY(-2px);color:var(--c-white)}
.entry-card__title{
  display:block;font-family:var(--font-sans);font-size:17px;font-weight:700;
  margin-bottom:6px;letter-spacing:.02em;
}
.entry-card__desc{display:block;font-size:14px;color:var(--c-grey)}

.data-card{
  border:1px solid rgba(255,138,61,.35);
  border-radius:var(--radius-md);
  padding:18px 20px;background:var(--c-char);
  transition:border-color .2s ease,background .2s ease;
}
.data-card:hover,.data-card:focus-within{border-color:var(--c-orange);background:#101512}
.data-card__label{display:block;font-size:12.5px;letter-spacing:.1em;color:var(--c-orange);margin-bottom:6px}
.data-card__value{display:block;font-size:clamp(28px,3.4vw,40px);line-height:1.1;color:var(--c-white)}
.data-card__note{
  display:block;margin-top:8px;font-size:13px;color:var(--c-grey);
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .24s ease,opacity .24s ease;
}
.data-card:hover .data-card__note,.data-card:focus-within .data-card__note{max-height:8em;opacity:1}

.archive-card{
  border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:24px;background:var(--c-mid);
}
.archive-card__meta{
  font-family:var(--font-mono);font-size:12.5px;color:var(--c-grey);
  letter-spacing:.08em;margin:0 0 8px;
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 横向主题带 ---------- */
.rail{position:relative;margin:0 calc(-1 * var(--gutter))}
.rail-track{
  display:flex;gap:16px;
  overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  padding:4px var(--gutter) 18px;
  scrollbar-color:var(--c-line) transparent;
}
.rail-track::-webkit-scrollbar{height:6px}
.rail-track::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:3px}
.rail-item{flex:0 0 clamp(240px,62%,320px);scroll-snap-align:start}
.rail-control{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-char);
  color:var(--c-mist);font-size:15px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.rail-control:hover{border-color:var(--c-cyan);color:var(--c-cyan)}

/* ---------- 图片容器（页面阶段放图） ---------- */
.figure-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16 / 10;
  border:1px solid var(--c-line);border-radius:var(--radius-lg);
  background:linear-gradient(0deg,var(--c-mid),var(--c-mid));
}
.figure-frame--wide{aspect-ratio:21 / 9}
.figure-frame--tall{aspect-ratio:3 / 4}
.figure-media{width:100%;height:100%;object-fit:cover;object-position:center}
.figure-caption{margin:10px 0 0;font-size:12.5px;color:var(--c-grey);line-height:1.6}
.figure-credit{display:block;font-family:var(--font-mono);font-size:11.5px;color:rgba(126,143,136,.8)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin:22px 0 6px;font-size:13px}
.breadcrumbs-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumbs-item{color:var(--c-grey)}
.breadcrumbs-item + .breadcrumbs-item::before{content:"/";margin-right:8px;color:var(--c-line)}
.breadcrumbs-item a{color:var(--c-mist)}

/* ---------- 标签页分段切换 ---------- */
.tabs{display:block}
.tabs-list{
  display:flex;flex-wrap:wrap;gap:6px;
  padding:6px;border:1px solid var(--c-line);border-radius:var(--radius-pill);
  background:var(--c-char);width:max-content;max-width:100%;
}
.tabs-tab{
  padding:8px 16px;border-radius:var(--radius-pill);
  color:rgba(244,247,245,.74);
  font-size:13px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.tabs-tab:hover{color:var(--c-cyan)}
.tabs-tab[aria-selected="true"]{background:var(--c-cyan);color:var(--c-deep)}
.tabs-panel{padding-top:22px;animation:fade-in .22s ease both}
.tabs-panel[hidden]{display:none}
@keyframes fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 进入视口点亮 ---------- */
.has-js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .32s ease,transform .32s ease}
.has-js [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:var(--c-char);
  border-top:1px solid var(--c-line);
  padding:56px 0 32px;
  color:var(--c-white);
}
.footer-inner{max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.footer-top{
  display:grid;grid-template-columns:minmax(220px,1fr) 2.4fr;
  gap:40px;padding-bottom:34px;border-bottom:1px solid var(--c-line);
}
.footer-brand-name{
  font-family:var(--font-serif);font-size:26px;font-weight:700;
  margin:0 0 8px;letter-spacing:.03em;
}
.footer-brand-name::after{
  content:"";display:block;width:34px;height:2px;margin-top:10px;
  border-radius:2px;background:var(--c-cyan);
}
.footer-tagline{margin:0 0 14px;font-size:14px;color:var(--c-grey)}
.footer-clock{display:flex;align-items:center;gap:9px;margin:0;font-size:13px;color:var(--c-mist)}
.status-dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  background:var(--c-cyan);box-shadow:0 0 0 4px rgba(61,242,192,.14);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.footer-col-title{
  margin:0 0 12px;font-family:var(--font-sans);
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-orange);
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-link{
  display:inline-block;font-size:14px;color:rgba(244,247,245,.76);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-link:hover{color:var(--c-cyan);border-color:rgba(61,242,192,.5)}
.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:18px 28px;padding:26px 0;border-bottom:1px solid var(--c-line);
}
.footer-contact-item{margin:0;font-size:14px}
.footer-contact-label{
  display:block;margin-bottom:4px;
  font-size:12px;letter-spacing:.1em;color:var(--c-grey);
}
.footer-contact-value{font-size:14px;color:var(--c-orange-soft);word-break:break-all}
.footer-contact-value--text{
  font-family:var(--font-sans);color:rgba(244,247,245,.82);word-break:normal;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 26px;
  padding-top:22px;font-size:12.5px;color:var(--c-grey);
}
.footer-bottom p{margin:0}
.footer-legal{color:var(--c-mist)}
.footer-copy{font-family:var(--font-mono)}
.footer-closing{margin-left:auto;color:var(--c-orange-soft)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-link{padding:8px 10px;font-size:12.5px}
  .header-utility .pill{padding:8px 12px;font-size:12.5px}
}
@media (max-width:960px){
  :root{--gutter:16px}
  .site-header{padding:10px 12px 0}
  .header-inner{flex-wrap:wrap;gap:10px;padding:9px 12px}
  .brand{margin-right:auto}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-header[data-open="true"] .header-bar{border-radius:26px}
  .nav-capsule{
    order:3;flex:1 1 100%;display:none;justify-content:flex-start;
    margin-top:8px;padding-top:10px;border-top:1px solid var(--c-line);
  }
  .header-utility{
    order:4;flex:1 1 100%;display:none;flex-wrap:wrap;gap:8px;padding-bottom:4px;
  }
  .site-header[data-open="true"] .nav-capsule,
  .site-header[data-open="true"] .header-utility{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;width:100%;gap:2px}
  .nav-link{display:block;padding:11px 14px;font-size:14px}
  .site-header[data-scrolled="true"] .nav-link{padding:11px 14px;font-size:14px}
  .site-header[data-scrolled="true"] .brand-tag{display:block}
  .scroll-progress{left:16px;right:16px}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
}
@media (max-width:720px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .section{padding:42px 0}
  .site-footer{margin-top:64px;padding-top:44px}
  .footer-closing{margin-left:0}
  .rail-item{flex:0 0 78%}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr}
  .brand-mark{font-size:17px}
}

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