*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

:root{
  --ink-0:#06080C;
  --ink-1:#0E131A;
  --ink-2:#171E27;
  --ink-3:#2A3441;
  --cyan:#5AE0E8;
  --violet:#8B5CF6;
  --amber:#F2A33C;
  --paper:#C9B79A;
  --teal:#1B3A44;
  --text:#E8EDF2;
  --muted:#93A1B0;
  --line:rgba(232,237,242,.10);
  --line-strong:rgba(90,224,232,.28);
  --radius-pill:999px;
  --radius-lg:18px;
  --radius-md:10px;
  --font-display:"Barlow Condensed","Oswald","Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","Roboto Mono","SF Mono",Menlo,Consolas,"Courier New",monospace;
  --font-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --fs-12:12px;
  --fs-13:13px;
  --fs-15:15px;
  --fs-17:17px;
  --fs-21:21px;
  --fs-28:28px;
  --fs-40:40px;
  --fs-64:64px;
  --fs-88:88px;
  --header-h:76px;
  --shell:1440px;
  --gutter:clamp(18px,4vw,56px);
}

html{background:var(--ink-0)}
body{
  min-height:100vh;
  background:
    radial-gradient(1100px 620px at 78% -10%, rgba(90,224,232,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 2%, rgba(139,92,246,.09), transparent 60%),
    var(--ink-0);
  color:var(--text);
  font-family:var(--font-body);
  font-size:var(--fs-17);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.01em}
p{max-width:38em}
::selection{background:rgba(90,224,232,.30);color:#FFFFFF}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

/* ---------- utilities ---------- */
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.stack{display:flex;flex-direction:column;gap:var(--stack-gap,16px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.shell--tight{max-width:1120px}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(12px,1.6vw,24px)}
.page-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3.4fr);gap:clamp(20px,4vw,56px);align-items:start}
.section{padding-block:clamp(40px,6vw,80px)}
.section--band{background:linear-gradient(180deg,var(--ink-1),rgba(14,19,26,.35));border-block:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:clamp(20px,3vw,36px)}
.section-title{font-size:clamp(24px,3vw,var(--fs-40))}
.display-xl{font-size:clamp(44px,8vw,var(--fs-88));line-height:1.02}
.page-title{font-size:clamp(32px,5vw,var(--fs-64))}
.lede{font-size:var(--fs-21);line-height:1.7;color:var(--muted);max-width:34em}
.note{font-family:var(--font-mono);font-size:var(--fs-12);line-height:1.9;letter-spacing:.04em;color:var(--muted);border-left:1px solid var(--line-strong);padding-left:14px;max-width:26em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.18em;color:var(--cyan)}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.eyebrow--amber{color:var(--amber)}
.eyebrow--amber::before{background:linear-gradient(90deg,var(--amber),transparent)}
.skip-link{position:fixed;top:10px;left:10px;z-index:999;transform:translateY(-180%);padding:10px 20px;border-radius:var(--radius-pill);background:var(--cyan);color:#04070A;font-size:var(--fs-13);font-weight:600;transition:transform .18s ease}
.skip-link:focus-visible{transform:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:linear-gradient(180deg,rgba(6,8,12,.97),rgba(6,8,12,.84));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,var(--violet),var(--cyan) 44%,rgba(90,224,232,0) 92%);
  opacity:.85;
}
.header-inner{
  display:flex;align-items:center;gap:clamp(14px,2.2vw,40px);
  max-width:var(--shell);margin-inline:auto;
  padding:14px var(--gutter);min-height:var(--header-h);
  transition:padding .25s ease,min-height .25s ease;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0}
.brand-mark{
  flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:22px;color:#04070A;line-height:1;
  background:linear-gradient(150deg,var(--cyan),#9AF2F5 52%,var(--violet));
  border-radius:12px;
  box-shadow:0 0 0 1px rgba(90,224,232,.35),0 10px 26px rgba(90,224,232,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{font-family:var(--font-display);font-size:var(--fs-21);font-weight:700;letter-spacing:.02em;color:var(--text)}
.brand-sub{font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.14em;color:var(--muted);transition:opacity .25s ease}

.frame-rail{display:none}

.header-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.header-progress::after{
  content:"";display:block;height:100%;width:100%;
  transform:scaleX(var(--progress,0));transform-origin:0 50%;
  background:linear-gradient(90deg,var(--violet),var(--cyan) 55%,var(--amber));
  transition:transform .08s linear;
}

/* ---------- nav ---------- */
.site-nav{display:flex;align-items:center;gap:clamp(10px,1.6vw,26px);margin-left:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{display:block}
.nav-link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:8px 12px;border-radius:var(--radius-pill);
  font-size:var(--fs-15);color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:rgba(147,161,176,.55);transition:color .2s ease}
.nav-link:hover{color:var(--text);background:rgba(90,224,232,.08)}
.nav-link:hover .nav-index{color:var(--cyan)}
.nav-link[aria-current="page"]{color:var(--cyan);background:rgba(90,224,232,.10);box-shadow:inset 0 0 0 1px rgba(90,224,232,.28)}
.nav-link[aria-current="page"] .nav-index{color:var(--cyan)}
.nav-aside{display:none}

.header-meta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.season-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.06em;
  color:var(--cyan);background:rgba(27,58,68,.55);
  border:1px solid rgba(90,224,232,.30);white-space:nowrap;
}
.season-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(90,224,232,.55)}
  50%{box-shadow:0 0 0 6px rgba(90,224,232,0)}
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-pill);
  font-family:var(--font-body);font-size:var(--fs-15);font-weight:600;letter-spacing:.02em;
  color:#04070A;background:var(--cyan);border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(90,224,232,.28)}
.btn--ghost{
  background:transparent;color:var(--text);border-color:rgba(90,224,232,.42);
  font-family:var(--font-mono);font-size:var(--fs-13);letter-spacing:.08em;font-weight:500;
}
.btn--ghost:hover{color:#04070A;background:var(--cyan);border-color:var(--cyan);box-shadow:0 10px 28px rgba(90,224,232,.22)}
.btn--amber{background:var(--amber);color:#1A0F02}
.btn--amber:hover{box-shadow:0 10px 28px rgba(242,163,60,.30)}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);color:var(--text);
}
.nav-toggle-bars{display:grid;gap:5px;width:18px}
.nav-toggle-bars i{display:block;height:1.5px;background:var(--cyan);transition:transform .25s ease}
.nav-toggle-text{font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.12em}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child{transform:translateY(3.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child{transform:translateY(-3.25px) rotate(-45deg)}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:clamp(64px,9vw,120px);
  background:var(--ink-0);border-top:1px solid rgba(90,224,232,.30);
  padding-top:clamp(40px,6vw,72px);overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(232,237,242,.028) 0 1px,transparent 1px 4px);
  opacity:.5;
}
.footer-inner{position:relative;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1.35fr) minmax(0,1fr);gap:clamp(24px,4vw,56px)}
.footer-brand .brand-name{font-size:var(--fs-21)}
.footer-tagline{margin-top:16px;font-size:var(--fs-15);color:var(--muted);max-width:26em;line-height:1.7}
.footer-meta-list{margin-top:18px;display:grid;gap:8px;font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.04em;color:var(--muted)}
.footer-meta-list li{display:flex;gap:10px;align-items:baseline}
.footer-title{
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.16em;
  color:var(--text);margin-bottom:16px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.footer-list{display:grid;gap:8px}
.footer-link{font-size:var(--fs-15);color:var(--muted);transition:color .18s ease,padding-left .18s ease}
.footer-link:hover{color:var(--cyan);padding-left:4px}
.footer-list--contact{gap:10px}
.footer-contact-item{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.footer-key{font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.1em;color:rgba(147,161,176,.72);min-width:34px}
.footer-value{font-family:var(--font-mono);font-size:var(--fs-13);color:var(--text);word-break:break-all}
.copy-btn{
  padding:2px 10px;border-radius:var(--radius-pill);
  border:1px solid rgba(90,224,232,.35);color:var(--cyan);
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:rgba(90,224,232,.14)}
.copy-btn.is-copied{background:var(--cyan);color:#04070A;border-color:var(--cyan)}
.copy-hint{font-family:var(--font-mono);font-size:var(--fs-12);color:var(--cyan);margin-top:10px}
.copy-hint:empty{display:none}
.footer-note{margin-top:14px;font-size:var(--fs-13);line-height:1.8;color:var(--muted);max-width:30em}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:clamp(32px,5vw,56px);padding-block:22px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.04em;color:var(--muted);
}
.footer-icp{margin:0}
.footer-status{display:inline-flex;align-items:center;gap:8px;margin:0}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(90,224,232,.8)}

/* ---------- shared content components ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;
  background:rgba(23,30,39,.9);color:var(--muted);border:1px solid var(--line);
}
.pill--cyan{color:var(--cyan);border-color:rgba(90,224,232,.35);background:rgba(27,58,68,.45)}
.pill--violet{color:#C4B5FD;border-color:rgba(139,92,246,.42);background:rgba(139,92,246,.14)}
.pill--amber{color:var(--amber);border-color:rgba(242,163,60,.42);background:rgba(242,163,60,.12)}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:18px;font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.08em;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--ink-3)}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--text)}

.stat{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(23,30,39,.94),rgba(14,19,26,.72));
  border:1px solid var(--line);
}
.stat-value{font-family:var(--font-mono);font-size:clamp(26px,3.2vw,var(--fs-40));line-height:1.05;color:var(--text);font-variant-numeric:tabular-nums}
.stat-value--cyan{color:var(--cyan)}
.stat-value--violet{color:#C4B5FD}
.stat-value--amber{color:var(--amber)}
.stat-label{font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.12em;color:var(--muted)}

.meter{position:relative;height:8px;border-radius:var(--radius-pill);background:rgba(42,52,65,.72);overflow:hidden}
.meter-fill{display:block;height:100%;width:var(--value,0%);border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .6s cubic-bezier(.2,.7,.3,1)}
.meter--amber .meter-fill{background:linear-gradient(90deg,var(--amber),#FFD18A)}

.table-scroll{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--line)}
.data-table{width:100%;font-size:var(--fs-15);border-collapse:collapse}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.data-table thead th{
  position:sticky;top:var(--header-h);z-index:2;
  background:var(--ink-1);color:var(--muted);font-weight:500;
  font-family:var(--font-mono);font-size:var(--fs-12);letter-spacing:.1em;white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:rgba(23,30,39,.62)}
.data-table tbody tr:hover{background:rgba(90,224,232,.07)}
.data-table td.num,.data-table th.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right}

.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--radius-lg);
  background:linear-gradient(155deg,var(--ink-2),var(--ink-1) 58%,#0A0F15);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    radial-gradient(120% 80% at 20% 0%,rgba(90,224,232,.16),transparent 60%),
    repeating-linear-gradient(0deg,rgba(232,237,242,.05) 0 1px,transparent 1px 5px);
  mix-blend-mode:screen;
}
.media-frame img,.media-frame svg,.media-frame video{width:100%;height:100%;object-fit:cover;display:block}
.media-frame--portrait{aspect-ratio:4/5}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}

.rail{display:flex;gap:clamp(12px,1.6vw,20px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:thin;scrollbar-color:rgba(90,224,232,.45) transparent}
.rail>*{flex:0 0 auto;scroll-snap-align:start}
.rail::-webkit-scrollbar{height:4px}
.rail::-webkit-scrollbar-track{background:rgba(42,52,65,.5)}
.rail::-webkit-scrollbar-thumb{background:rgba(90,224,232,.45);border-radius:var(--radius-pill)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:var(--fs-13);letter-spacing:.1em;
  color:var(--cyan);border-bottom:1px solid transparent;
  transition:gap .2s ease,border-color .2s ease;
}
.link-arrow::after{content:"→"}
.link-arrow:hover{gap:14px;border-bottom-color:rgba(90,224,232,.5)}

[data-reveal]{transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
[data-reveal].is-pending{opacity:0;transform:translateY(12px)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (min-width:1041px){
  .site-header.is-condensed .header-inner{padding-block:8px;min-height:58px}
  .site-header.is-condensed .brand-sub{opacity:0}
}
@media (min-width:1280px){
  body{padding-left:34px}
  .frame-rail{
    display:block;position:fixed;left:0;top:0;bottom:0;width:34px;z-index:110;
    background:var(--ink-0);border-right:1px solid rgba(90,224,232,.16);
    pointer-events:none;
  }
  .frame-rail-text{
    position:absolute;left:50%;top:50%;
    transform:translate(-50%,-50%) rotate(180deg);
    writing-mode:vertical-rl;
    font-family:var(--font-mono);font-size:10px;letter-spacing:.34em;
    color:rgba(147,161,176,.42);white-space:nowrap;
  }
}
@media (max-width:1040px){
  .nav-toggle{display:inline-flex}
  .header-meta{margin-left:auto}
  .header-meta .season-pill{display:none}
  .header-cta{display:none}
  .site-nav{
    position:fixed;inset:0;z-index:118;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:calc(var(--header-h) + 22px) var(--gutter) 32px;
    overflow-y:auto;
    background:linear-gradient(180deg,rgba(14,19,26,.99),rgba(6,8,12,.995));
    border-bottom:1px solid rgba(90,224,232,.22);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{
    display:flex;justify-content:flex-start;
    padding:14px 12px;font-size:var(--fs-17);
    border-radius:var(--radius-md);border-bottom:1px solid var(--line);
  }
  .nav-index{font-size:var(--fs-12)}
  .nav-aside{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
  .page-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .data-table thead th{position:static}
}
@media (max-width:720px){
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:620px){
  .brand-sub{display:none}
  .brand-mark{width:34px;height:34px;font-size:19px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .section-head{flex-direction:column;align-items:flex-start}
  .data-table th,.data-table td{padding:10px 12px}
}
@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],[data-reveal].is-pending{opacity:1;transform:none}
}