:root{
  --ink:#070B18;
  --panel:#0E1730;
  --panel-2:#101B38;
  --line:#24324F;
  --line-soft:rgba(36,50,79,.62);
  --cyan:#33E6FF;
  --cyan-dim:rgba(51,230,255,.5);
  --signal:#FFD24A;
  --paper:#F4F7FF;
  --mist:#9AA8C7;
  --red:#FF5A5F;
  --amber:#FFB020;
  --green:#2FD3A0;
  --font-title:'HarmonyOS Sans SC','Noto Sans SC','Source Han Sans SC',system-ui,sans-serif;
  --font-data:'JetBrains Mono','IBM Plex Mono','SFMono-Regular',ui-monospace,monospace;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --header-h:104px;
  --gutter:clamp(16px,4vw,48px);
  --radius:2px;
}
*,*::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(circle at 82% -8%,rgba(51,230,255,.10),transparent 52%),
    radial-gradient(circle at 4% 12%,rgba(255,210,74,.055),transparent 46%),
    linear-gradient(180deg,#070B18 0%,#070B18 70%,#080D1D 100%);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
h1,h2,h3,h4,h5{font-family:var(--font-title);font-weight:800;line-height:1.15;letter-spacing:-.01em;margin:0 0 .6em;color:var(--paper)}
h1{font-size:clamp(2.8rem,6vw,5.6rem);font-weight:900;letter-spacing:-.03em}
h2{font-size:clamp(1.8rem,3vw,3rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.5rem)}
p{margin:0 0 1.1em}
a{color:var(--cyan);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#7DF1FF}
strong{font-weight:700;color:var(--paper)}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
#main-content:focus{outline:none}
.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}
.is-nav-open{overflow:hidden}
.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(40px,6vw,80px)}
.section--tight{padding-block:clamp(24px,4vw,48px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:18px;margin-bottom:clamp(20px,3vw,32px);border-bottom:1px solid var(--line)}
.section-head__title{margin:0;font-size:clamp(1.6rem,2.6vw,2.4rem)}
.section-head__note{margin:0;font-family:var(--font-data);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist)}
.label{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;font-family:var(--font-data);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.label::before{content:"";width:18px;height:1px;background:var(--cyan)}
.label--signal{color:var(--signal)}
.label--signal::before{background:var(--signal)}
.chapter{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px 20px;align-items:start;margin-bottom:28px}
.chapter__num{font-family:var(--font-data);font-size:clamp(2.2rem,4vw,3.4rem);font-weight:700;line-height:1;color:rgba(51,230,255,.22);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
@supports (-webkit-text-stroke:1px #fff){.chapter__num{color:transparent;-webkit-text-stroke:1px var(--cyan)}}
.chapter__body{min-width:0}
.chapter__title{margin:0 0 6px;font-size:clamp(1.5rem,2.4vw,2.2rem)}
.chapter__desc{margin:0;max-width:62ch;font-size:15px;color:var(--mist)}
.panel{position:relative;padding:clamp(18px,2.4vw,28px);background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);box-shadow:inset 0 1px 0 rgba(244,247,255,.04),0 24px 48px -40px #000}
.panel::before{content:"";position:absolute;top:6px;right:6px;width:10px;height:10px;border-top:1px solid var(--cyan);border-right:1px solid var(--cyan);opacity:.6;pointer-events:none}
.panel--flat{background:var(--panel);box-shadow:none}
.panel--stack{box-shadow:inset 0 1px 0 rgba(244,247,255,.05),6px 6px 0 -1px var(--ink),7px 7px 0 0 var(--line),12px 12px 0 -1px var(--ink),13px 13px 0 0 rgba(36,50,79,.7)}
.panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.panel__title{margin:0;font-family:var(--font-data);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.stat{display:block}
.stat__value{display:block;font-family:var(--font-data);font-size:clamp(2rem,4vw,3.4rem);font-weight:700;line-height:1;color:var(--paper);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat__value--cyan{color:var(--cyan)}
.stat__value--signal{color:var(--signal)}
.stat__unit{margin-left:6px;font-size:.38em;letter-spacing:.1em;color:var(--mist)}
.stat__label{display:block;margin-top:10px;font-size:13px;letter-spacing:.1em;color:var(--mist)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;font-family:var(--font-data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist);background:rgba(36,50,79,.35);border:1px solid var(--line);border-radius:2px;white-space:nowrap}
.tag--cyan{color:var(--cyan);border-color:rgba(51,230,255,.5);background:rgba(51,230,255,.08)}
.tag--signal{color:var(--signal);border-color:rgba(255,210,74,.5);background:rgba(255,210,74,.08)}
.tag--red{color:var(--red);border-color:rgba(255,90,95,.5);background:rgba(255,90,95,.08)}
.tag--amber{color:var(--amber);border-color:rgba(255,176,32,.5);background:rgba(255,176,32,.08)}
.tag--green{color:var(--green);border-color:rgba(47,211,160,.5);background:rgba(47,211,160,.08)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;font-family:var(--font-title);font-size:14px;font-weight:700;letter-spacing:.04em;line-height:1.2;color:var(--paper);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;cursor:pointer;transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out}
.btn:hover{color:var(--paper);border-color:var(--cyan-dim);transform:translateY(-1px)}
.btn--signal{background:var(--signal);border-color:var(--signal);color:#0A1020}
.btn--signal:hover{background:#FFDC74;border-color:#FFDC74;color:#0A1020}
.btn--cyan{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn--cyan:hover{background:rgba(51,230,255,.12);color:var(--cyan)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--cyan-dim)}
.btn--sm{padding:9px 14px;font-size:13px}
.btn--block{width:100%}
.breadcrumbs{padding-block:16px;font-family:var(--font-data);font-size:12px;letter-spacing:.08em;color:var(--mist)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:var(--line)}
.breadcrumbs a{color:var(--mist);text-decoration:none}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}
.prose{max-width:72ch;font-size:17px;color:rgba(244,247,255,.86)}
.prose h2{margin-top:1.6em;font-size:clamp(1.4rem,2vw,1.9rem)}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose blockquote{margin:1.4em 0;padding:14px 18px;border-left:2px solid var(--cyan);background:rgba(51,230,255,.05);color:var(--mist)}
.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--bento{grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:minmax(110px,auto)}
.media-frame{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg,#0D1730 0%,#070B18 58%,#0A142B 100%);aspect-ratio:16/9}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(90deg,rgba(51,230,255,.14) 1px,transparent 1px),linear-gradient(0deg,rgba(51,230,255,.14) 1px,transparent 1px);background-size:48px 48px;opacity:.45}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__plate{position:absolute;left:0;bottom:0;z-index:2;padding:6px 12px;font-family:var(--font-data);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);background:rgba(7,11,24,.86);border-top:1px solid var(--line);border-right:1px solid var(--line)}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:24px}
.filter-btn{padding:8px 14px;font-family:var(--font-data);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist);background:transparent;border:1px solid var(--line);border-radius:2px;cursor:pointer;transition:color .16s ease-out,border-color .16s ease-out,background .16s ease-out}
.filter-btn:hover{color:var(--paper);border-color:var(--cyan-dim)}
.filter-btn[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:#04121A;font-weight:700}
.filter-count{margin-left:auto;font-family:var(--font-data);font-size:12px;letter-spacing:.08em;color:var(--mist)}
.filter-empty{display:none;padding:20px;border:1px dashed var(--line);color:var(--mist);font-size:15px}
.filter-empty[data-empty="true"]{display:block}
[data-filterable][data-hidden="true"]{display:none!important}
.data-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.data-table th{padding:10px 12px;font-family:var(--font-data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist);text-align:left;border-bottom:1px solid var(--line)}
.data-table td{padding:12px;font-size:15px;border-bottom:1px solid var(--line-soft)}
.data-table td:first-child{font-family:var(--font-data);color:var(--cyan)}
[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .26s ease-out,transform .26s ease-out}
[data-reveal][data-revealed="true"]{opacity:1;transform:none}
.skip-link{position:fixed;top:8px;left:8px;z-index:300;padding:10px 18px;font-family:var(--font-title);font-size:14px;font-weight:700;color:#0A1020;background:var(--signal);border-radius:2px;text-decoration:none;transform:translateY(-180%);transition:transform .18s ease-out}
.skip-link:focus{transform:translateY(0)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;color:var(--paper);background:linear-gradient(180deg,rgba(7,11,24,.94) 0%,rgba(7,11,24,.55) 62%,rgba(7,11,24,0) 100%);border-bottom:1px solid transparent;transition:background .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out}
.site-header[data-scrolled="true"]{background:rgba(9,14,30,.97);border-bottom-color:var(--line);box-shadow:0 18px 40px -32px #000;backdrop-filter:blur(12px)}
.header-ticker{border-bottom:1px solid rgba(36,50,79,.7)}
.header-ticker__inner{display:flex;align-items:center;gap:22px;min-height:34px;font-family:var(--font-data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist);overflow:hidden;white-space:nowrap}
.header-ticker__item{display:inline-flex;align-items:center;gap:8px}
.header-ticker__item::before{content:"";width:5px;height:5px;background:var(--cyan);flex:none}
.header-ticker__item--end{margin-left:auto;color:var(--signal)}
.header-ticker__item--end::before{background:var(--signal)}
.header-main__inner{display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,2vw,32px);min-height:68px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--paper);flex:none}
.brand:hover{color:var(--paper)}
.brand__mark{display:grid;align-content:center;gap:4px;width:40px;height:40px;padding:0 8px;border:1px solid var(--cyan-dim);background:linear-gradient(160deg,rgba(51,230,255,.16),rgba(51,230,255,0) 70%),var(--panel);border-radius:var(--radius);flex:none}
.brand__mark-bar{display:block;height:2px;background:var(--cyan)}
.brand__mark-bar:nth-child(1){width:100%}
.brand__mark-bar:nth-child(2){width:58%;background:var(--signal)}
.brand__mark-bar:nth-child(3){width:82%;background:var(--paper)}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:var(--font-title);font-size:1.05rem;font-weight:800;letter-spacing:.04em}
.brand__sub{margin-top:4px;font-family:var(--font-data);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist)}
.nav{display:flex;align-items:center}
.nav__list{display:flex;align-items:center;gap:clamp(2px,1.2vw,18px);margin:0;padding:0;list-style:none}
.nav__link{display:inline-flex;align-items:baseline;gap:6px;padding:10px 6px;font-size:15px;color:rgba(244,247,255,.78);text-decoration:none;border-bottom:2px solid transparent;transition:color .18s ease-out,border-color .18s ease-out}
.nav__link:hover{color:var(--paper);border-bottom-color:var(--cyan-dim)}
.nav__index{font-family:var(--font-data);font-size:10px;letter-spacing:.06em;color:var(--mist);transition:color .18s ease-out}
.nav__link[aria-current="page"]{color:var(--paper);border-bottom-color:var(--cyan)}
.nav__link[aria-current="page"] .nav__index{color:var(--signal)}
.nav__foot{display:none}
.nav__foot-note{margin:14px 0 0;font-family:var(--font-data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mist)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;align-items:center;gap:10px;padding:9px 12px;font-family:var(--font-data);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--paper);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg);background:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);background:var(--cyan)}
.header-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(36,50,79,.45);overflow:hidden}
.header-progress__bar{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--cyan),var(--signal));transition:transform .1s linear}
.site-footer{position:relative;margin-top:clamp(56px,8vw,96px);background:linear-gradient(180deg,#0A1020 0%,#070B18 100%);border-top:1px solid var(--line);color:var(--mist)}
.site-footer::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--cyan) 0%,rgba(51,230,255,0) 42%,rgba(255,210,74,0) 58%,var(--signal) 100%)}
.footer-top{padding-block:clamp(36px,5vw,64px)}
.footer-top__inner{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,.85fr));gap:clamp(24px,4vw,48px)}
.footer-brand__link{display:inline-block;font-family:var(--font-title);font-size:clamp(2rem,4vw,3rem);font-weight:900;letter-spacing:-.02em;line-height:1.05;color:var(--paper);text-decoration:none;transition:color .2s ease-out}
.footer-brand__link:hover{color:var(--cyan)}
.footer-brand__tag{margin:12px 0 0;font-family:var(--font-data);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
.footer-brand__note{margin:10px 0 18px;max-width:32ch;font-size:14px;line-height:1.7;color:var(--mist)}
.footer-brand__serial{display:inline-block;padding:4px 8px;font-family:var(--font-data);font-size:10.5px;letter-spacing:.16em;color:var(--mist);border:1px solid var(--line);border-radius:2px}
.footer-col__title{display:flex;align-items:center;margin:0 0 16px;font-family:var(--font-data);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.footer-col__title::before{content:"";width:14px;height:1px;margin-right:8px;background:var(--cyan)}
.footer-list{margin:0;padding:0;list-style:none}
.footer-list li+li{margin-top:10px}
.footer-list a{font-size:15px;color:var(--mist);text-decoration:none;transition:color .16s ease-out}
.footer-list a:hover{color:var(--paper);text-decoration:underline;text-decoration-color:var(--cyan);text-underline-offset:4px}
.footer-contact{padding-bottom:clamp(28px,4vw,48px)}
.footer-contact__card{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:clamp(16px,3vw,36px);padding:clamp(18px,2.6vw,30px);background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);box-shadow:inset 0 1px 0 rgba(244,247,255,.04)}
.footer-contact__head{min-width:0}
.footer-contact__title{margin:0 0 10px;font-size:clamp(1.15rem,1.8vw,1.5rem)}
.footer-contact__hint{margin:0;font-size:14px;line-height:1.7;color:var(--mist)}
.footer-contact__rows{margin:0;padding:0;list-style:none;border-top:1px dashed rgba(36,50,79,.9)}
.footer-contact__row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:12px 0;border-bottom:1px dashed rgba(36,50,79,.9)}
.footer-contact__label{flex:none;min-width:72px;font-family:var(--font-data);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.footer-contact__value{flex:1 1 180px;min-width:0;font-family:var(--font-data);font-size:14.5px;color:var(--paper);word-break:break-word}
.copy-btn{margin-left:auto;padding:4px 10px;font-family:var(--font-data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);background:transparent;border:1px solid var(--cyan-dim);border-radius:2px;cursor:pointer;transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out}
.copy-btn:hover{background:rgba(51,230,255,.12)}
.copy-btn[data-copied="true"]{color:var(--green);border-color:rgba(47,211,160,.6);background:rgba(47,211,160,.1)}
.copy-status{min-height:1.2em;margin:12px 0 0;font-family:var(--font-data);font-size:11px;letter-spacing:.1em;color:var(--green)}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-block:18px}
.footer-legal{margin:0;font-family:var(--font-data);font-size:11.5px;letter-spacing:.08em;color:var(--mist)}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px;margin:0;padding:0;list-style:none}
.footer-legal-links a{font-family:var(--font-data);font-size:11.5px;letter-spacing:.08em;color:var(--mist);text-decoration:none}
.footer-legal-links a:hover{color:var(--cyan)}
@media (max-width:1100px){
  .nav__link{font-size:14px;padding:10px 4px}
  .nav__index{display:none}
  .footer-top__inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-contact__card{grid-template-columns:1fr}
}
@media (max-width:900px){
  :root{--header-h:62px}
  .header-ticker{display:none}
  .header-main__inner{min-height:62px}
  .header-actions .btn--signal{display:none}
  .nav-toggle{display:inline-flex}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;display:block;padding:22px var(--gutter) 48px;background:rgba(8,13,28,.985);border-top:1px solid var(--line);overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s}
  .nav[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__item{border-bottom:1px solid var(--line)}
  .nav__link{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 4px;font-size:19px;border-bottom:2px solid transparent}
  .nav__index{display:inline-block;font-size:11px}
  .nav__link[aria-current="page"]{border-bottom-color:var(--cyan)}
  .nav__foot{display:block;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .grid--bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top__inner{grid-template-columns:1fr;gap:32px}
  .footer-contact__row{align-items:flex-start}
}
@media (max-width:560px){
  body{font-size:16px}
  .brand__sub{display:none}
  .brand__mark{width:36px;height:36px;padding:0 7px}
  .footer-contact__value{flex-basis:100%}
  .copy-btn{margin-left:0}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
  .btn:hover{transform:none}
}