:root{
  --ink-900:#0A1128;
  --ink-800:#0E1A38;
  --ink-700:#1C2A4D;
  --line:#2E3E66;
  --silver:#E9EFF8;
  --mist:#A9B6CE;
  --text:#D6DEEC;
  --green:#3DF5A5;
  --cyan:#38D9E8;
  --purple:#7C5CFF;
  --amber:#FFC15E;
  --radius-lg:28px;
  --radius-md:22px;
  --radius-sm:14px;
  --pill:999px;
  --shell-max:1240px;
  --font-display:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;
  --font-body:Inter,"Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.02em;
  line-height:1.06;
  color:var(--silver);
}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--cyan);text-decoration:none;transition:color .16s ease-out,border-color .16s ease-out}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
main{display:block}
#main-content{scroll-margin-top:96px}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 容器 ---------- */
.shell{width:min(calc(100% - 2rem),var(--shell-max));margin-inline:auto}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:1rem;top:-4.5rem;z-index:200;
  padding:.6rem 1.1rem;border-radius:var(--pill);
  background:var(--green);color:#06121F;font-weight:700;font-size:.85rem;
  transition:top .16s ease-out;
}
.skip-link:focus{top:1rem}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,17,40,.96);
  border-bottom:1px solid var(--line);
  color:var(--silver);
}
.site-header[data-scrolled="true"]{border-bottom-color:rgba(61,245,165,.55)}
.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  overflow:hidden;pointer-events:none;
}
.scroll-progress-bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  transition:width .1s linear;
}
.header-shell{
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;padding:20px 0;
  transition:padding .18s ease-out;
}
.site-header[data-scrolled="true"] .header-shell{padding:10px 0}
.header-lead{display:flex;align-items:center;gap:1.15rem;min-width:0}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--silver);min-width:0}
.brand-mark{
  position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:10px;
  background:linear-gradient(140deg,var(--green),var(--cyan) 58%,var(--purple));
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  background:var(--ink-900);opacity:.86;
}
.brand-copy{display:flex;flex-direction:column;min-width:0}
.brand-name{
  font-family:var(--font-display);font-size:1.18rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;line-height:1.1;color:var(--silver);
}
.brand-sub{
  font-family:var(--font-mono);font-size:.65rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mist);transition:opacity .18s ease-out;
}
.site-header[data-scrolled="true"] .brand-sub{opacity:0}
.brand:hover .brand-name{color:var(--green)}
.brand--footer .brand-name{font-size:1.4rem}

/* ---------- 赛季切换 ---------- */
.season-switch{
  display:flex;align-items:center;gap:.3rem;
  padding:.22rem .28rem .22rem .65rem;
  border:1px solid var(--line);border-radius:var(--pill);
  background:var(--ink-800);
}
.season-switch-label{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mist);
}
.season-pill{
  padding:.26rem .68rem;border-radius:var(--pill);
  border:1px solid transparent;
  font-family:var(--font-mono);font-size:.76rem;font-variant-numeric:tabular-nums;
  color:var(--mist);
  transition:color .16s ease-out,background .16s ease-out,border-color .16s ease-out;
}
.season-pill:hover{color:var(--silver);background:var(--ink-700)}
.season-pill[aria-pressed="true"]{
  color:var(--green);background:rgba(61,245,165,.14);
  border-color:rgba(61,245,165,.5);
}

/* ---------- 导航按钮 ---------- */
.nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.5rem .9rem;border:1px solid var(--line);border-radius:var(--pill);
  background:var(--ink-800);color:var(--silver);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
}
.nav-toggle-icon{position:relative;width:16px;height:2px;border-radius:2px;background:var(--green)}
.nav-toggle-icon::before,.nav-toggle-icon::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;
  background:var(--green);transition:transform .18s ease-out;
}
.nav-toggle-icon::before{top:-5px}
.nav-toggle-icon::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:translateY(-5px) rotate(-45deg)}

/* ---------- 导航 ---------- */
.site-nav{display:flex;align-items:center;gap:1rem}
.nav-list{display:flex;align-items:center;gap:.18rem}
.nav-list a{
  display:inline-block;padding:.45rem .8rem;border-radius:var(--pill);
  border:1px solid transparent;
  font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--mist);
  transition:color .16s ease-out,background .16s ease-out,border-color .16s ease-out;
}
.nav-list a:hover{color:var(--silver);background:var(--ink-700);border-color:var(--line)}
.nav-list a[aria-current="page"]{
  color:var(--green);background:rgba(61,245,165,.1);
  border-color:rgba(61,245,165,.45);
}
.nav-cta{margin-left:.35rem}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.62rem 1.15rem;border-radius:var(--pill);border:1px solid var(--line);
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  white-space:nowrap;
  transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,border-color .16s ease-out,color .16s ease-out;
}
.btn-primary{background:var(--green);border-color:var(--green);color:#06121F}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,245,165,.24)}
.btn-ghost{color:var(--silver);background:transparent}
.btn-ghost:hover{color:var(--green);border-color:var(--green)}
.link{color:var(--cyan);border-bottom:1px solid rgba(56,217,232,.45)}
.link:hover{color:var(--green);border-bottom-color:var(--green)}
.badge{
  display:inline-flex;align-items:center;justify-content:center;min-width:2.2rem;
  padding:.15rem .5rem;border-radius:8px;
  background:rgba(56,217,232,.12);color:var(--cyan);
  font-family:var(--font-mono);font-size:.72rem;font-variant-numeric:tabular-nums;
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{padding:1.5rem 0 0}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;gap:.5rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--mist);
}
.breadcrumb-item{display:inline-flex;align-items:center}
.breadcrumb-item::after{content:"/";margin-left:.5rem;color:var(--line)}
.breadcrumb-item:last-child::after{content:"";margin:0}
.breadcrumb-item a{color:var(--mist)}
.breadcrumb-item a:hover{color:var(--green)}
.breadcrumb-item[aria-current="page"]{color:var(--silver)}

/* ---------- 页面与章节 ---------- */
.section{padding:clamp(3rem,7vw,6.5rem) 0}
.section--alt{background:var(--ink-800)}
.section--deep{background:var(--ink-900)}
.page-head{padding:clamp(2.5rem,6vw,5rem) 0 1.5rem}
.page-title{font-size:clamp(2.4rem,5vw,4.2rem)}
.page-lead{margin-top:1rem;max-width:64ch;color:var(--mist);font-size:1.05rem}
.eyebrow{
  display:block;margin-bottom:.6rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--green);
}
.section-head{max-width:62ch;margin-bottom:2.25rem}
.section-head--split{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:2rem;align-items:end;max-width:none;
}
.section-title{font-size:clamp(1.8rem,3.4vw,2.8rem)}
.section-lead{margin:0;color:var(--mist);font-size:1rem;max-width:68ch}
.divider{height:1px;border:0;margin:2rem 0;background:var(--line)}
.prose{max-width:68ch;font-size:1.02rem;color:var(--text)}
.prose h2{margin:2rem 0 .8rem;font-size:1.5rem}
.prose h3{margin:1.6rem 0 .6rem;font-size:1.15rem}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(56,217,232,.45)}
.prose a:hover{color:var(--green)}
.prose ul{margin:0 0 1.2rem;padding-left:1.1rem;list-style:none}
.prose ul li{position:relative;padding-left:.9rem}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;
  background:var(--green);
}
.rail{display:flex;flex-direction:column;gap:1rem}
.rail-note{
  margin:0;padding-left:1rem;border-left:1px solid var(--line);
  font-size:.9rem;color:var(--mist);
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:1.25rem}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--rail{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;gap:.75rem;
  padding:1.5rem;border:1px solid var(--line);border-radius:var(--radius-md);
  background:var(--ink-700);
  transition:transform .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.card:hover,.card:focus-within{
  transform:translateY(-4px);border-color:var(--green);
  box-shadow:0 18px 40px rgba(6,12,28,.55);
}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}
.card-title{margin:0;font-size:1.15rem;color:var(--silver)}
.card-meta{
  margin:0;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--mist);
}
.card-body{margin:0;font-size:.95rem;color:var(--mist)}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-top:.6rem;border-top:1px solid var(--line);
}
.card-index{font-family:var(--font-mono);font-size:.78rem;color:var(--green)}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:.5rem}
.tag{
  display:inline-flex;align-items:center;padding:.25rem .7rem;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(56,217,232,.08);color:var(--cyan);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
}
.tag--green{color:var(--green);border-color:rgba(61,245,165,.42);background:rgba(61,245,165,.1)}
.tag--purple{color:var(--purple);border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.12)}
.tag--amber{color:var(--amber);border-color:rgba(255,193,94,.45);background:rgba(255,193,94,.12)}

/* ---------- 数据 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}
.stat{padding:1.1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--ink-800)}
.stat-value{
  display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:1.9rem;font-weight:600;line-height:1.1;color:var(--green);
}
.stat-label{
  display:block;margin-top:.35rem;
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mist);
}
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);
  border-radius:var(--radius-md);background:var(--ink-700);
}
.data-table{width:100%;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.86rem}
.data-table th,.data-table td{padding:.85rem 1rem;border-bottom:1px solid var(--line);white-space:nowrap}
.data-table th{text-align:left}
.data-table thead th{
  font-size:.68rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);background:rgba(10,17,40,.62);
}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:rgba(61,245,165,.06)}
.data-table td+td,.data-table th+th{text-align:right}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;gap:1.1rem;padding-left:1.25rem;border-left:1px solid var(--line)}
.timeline-item{position:relative;display:grid;gap:.2rem}
.timeline-node{
  position:absolute;left:-1.5rem;top:.55rem;width:9px;height:9px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 4px rgba(61,245,165,.14);
}
.timeline-label{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--mist);
}
.timeline-text{margin:0;color:var(--text)}

/* ---------- 胶囊筛选 ---------- */
.pill-group{display:flex;flex-wrap:wrap;gap:.5rem}
.pill{
  padding:.45rem .95rem;border-radius:var(--pill);border:1px solid var(--line);
  color:var(--mist);font-size:.82rem;letter-spacing:.06em;
  transition:color .16s ease-out,border-color .16s ease-out,background .16s ease-out;
}
.pill:hover{color:var(--silver);border-color:var(--cyan)}
.pill[aria-pressed="true"],.pill.is-active{
  color:var(--cyan);border-color:var(--cyan);background:rgba(56,217,232,.12);
}

/* ---------- 折叠面板 ---------- */
.collapse{
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:var(--ink-800);overflow:hidden;
}
.collapse+.collapse{margin-top:.85rem}
.collapse-trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.1rem 1.35rem;text-align:left;color:var(--silver);
  font-size:1rem;font-weight:600;
}
.collapse-trigger::after{
  content:"+";font-family:var(--font-mono);color:var(--green);font-size:1.1rem;
}
.collapse[data-open="true"] .collapse-trigger::after{content:"–"}
.collapse-panel{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .18s ease-out;
}
.collapse[data-open="true"] .collapse-panel{grid-template-rows:1fr}
.collapse-panel>div{overflow:hidden}
.collapse-inner{
  padding:0 1.35rem 1.3rem;font-size:.96rem;color:var(--text);
  opacity:0;transition:opacity .12s ease-out;
}
.collapse[data-open="true"] .collapse-inner{opacity:1}

/* ---------- 提示块 ---------- */
.callout{
  display:flex;gap:1rem;align-items:flex-start;
  padding:1.15rem 1.35rem;border:1px solid var(--line);
  border-radius:var(--radius-md);background:var(--ink-700);
}
.callout--green{border-color:rgba(61,245,165,.4);background:rgba(61,245,165,.08)}
.callout--amber{border-color:rgba(255,193,94,.45);background:rgba(255,193,94,.08)}
.callout-title{margin:0 0 .3rem;font-size:1rem;color:var(--silver)}
.callout p:last-child{margin-bottom:0}

/* ---------- 横向主题带 ---------- */
.band{
  padding:1.5rem 0;
  background:var(--ink-800);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.band-scroll{
  display:flex;gap:1rem;overflow-x:auto;
  padding:0 max(1rem,calc((100% - var(--shell-max))/2)) .75rem;
  scroll-snap-type:x mandatory;scrollbar-color:var(--line) transparent;
}
.band-item{
  flex:0 0 clamp(220px,26vw,300px);scroll-snap-align:start;
  padding:1.1rem 1.25rem;border:1px solid var(--line);
  border-radius:var(--radius-md);background:var(--ink-700);
  transition:border-color .16s ease-out,transform .16s ease-out;
}
.band-item:hover{border-color:var(--green);transform:translateY(-4px)}
.band-item-title{margin:0 0 .3rem;font-size:1.05rem;color:var(--silver)}
.band-item-meta{
  margin:0;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--mist);
}

/* ---------- 图片容器 ---------- */
.figure{margin:0;display:flex;flex-direction:column;gap:.65rem}
.figure-frame{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--ink-700),var(--ink-800) 55%,#0B1430);
}
.figure-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.figure-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(233,239,248,.05) 0 1px,transparent 1px 13px);
}
.figure--wide .figure-frame{aspect-ratio:21/9}
.figure--tall .figure-frame{aspect-ratio:4/5}
.figure-caption{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--mist);
}

/* ---------- 显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .3s ease-out,transform .3s ease-out;
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);border-top:1px solid var(--line);
  padding:64px 0 28px;color:var(--mist);
}
.footer-shell{
  display:grid;grid-template-columns:minmax(220px,1fr) 2.4fr;
  gap:3rem;padding-bottom:2.5rem;border-bottom:1px solid var(--line);
}
.footer-lead{display:flex;flex-direction:column;align-items:flex-start;gap:.9rem}
.footer-tagline{margin:0;max-width:36ch;font-size:.95rem;color:var(--mist)}
.footer-stamp{
  margin:0;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--green);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem 1.75rem}
.footer-col-title{
  margin:0 0 .8rem;font-family:var(--font-mono);font-weight:500;
  font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--silver);
}
.footer-list li+li{margin-top:.45rem}
.footer-list a{color:var(--mist);font-size:.92rem}
.footer-list a:hover{color:var(--green)}
.footer-text{
  margin:0 0 .45rem;font-family:var(--font-mono);font-size:.82rem;
  line-height:1.6;color:var(--mist);overflow-wrap:anywhere;
}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.75rem 1.5rem;padding-top:1.5rem;
}
.legal-text{margin:0;font-family:var(--font-mono);font-size:.78rem;color:var(--mist)}
.legal-meta{margin:0;font-size:.75rem;color:var(--mist);opacity:.82}
.to-top{
  display:inline-flex;align-items:center;padding:.42rem .9rem;
  border:1px solid var(--line);border-radius:var(--pill);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--silver);
  transition:color .16s ease-out,border-color .16s ease-out;
}
.to-top:hover{color:var(--green);border-color:var(--green)}

/* ---------- 平板 ---------- */
@media (max-width:980px){
  .nav-toggle{display:inline-flex;position:relative;z-index:130}
  .site-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:120;
    width:min(86vw,340px);
    display:flex;flex-direction:column;align-items:stretch;gap:1rem;
    padding:5.5rem 1.5rem 2rem;
    background:var(--ink-800);border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .2s ease-out;
    overflow-y:auto;
  }
  .site-nav[data-open="true"]{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:.3rem}
  .nav-list a{display:block;padding:.72rem .9rem;font-size:.95rem}
  .nav-cta{width:100%;margin-left:0;padding:.85rem 1rem}
  .grid--split,.grid--rail,.section-head--split{grid-template-columns:minmax(0,1fr)}
  .footer-shell{grid-template-columns:minmax(0,1fr);gap:2rem}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* ---------- 手机 ---------- */
@media (max-width:620px){
  body{font-size:16px}
  .header-shell{gap:.75rem;padding:14px 0}
  .brand-sub{display:none}
  .season-switch-label{display:none}
  .season-switch{padding:.22rem}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-legal{flex-direction:column;align-items:flex-start}
}
/* ---------- 降低动效 ---------- */
@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]{opacity:1;transform:none}
  .card:hover,.band-item:hover,.btn-primary:hover{transform:none}
}