*,*::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-body);font-size:var(--text-base);line-height:1.75;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--c-green);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,h5,p,figure,dl,dd{margin:0}
ul,ol{margin:0;padding:0}
[hidden]{display:none!important}
:root{
  --c-deep:#0A1628;
  --c-night:#1E3A5F;
  --c-green:#00FF88;
  --c-orange:#FF6B00;
  --c-white:#FFFFFF;
  --c-mist:#B0C4DE;
  --c-cyan:#00D2FF;
  --c-ink:#0F1B2D;
  --c-line:#2A3B4C;
  --c-red:#FF3B3B;
  --font-display:'Noto Sans SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC',sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono',monospace;
  --text-xs:12px;
  --text-sm:14px;
  --text-base:16px;
  --text-lg:20px;
  --text-xl:28px;
  --text-2xl:40px;
  --text-hero:64px;
  --max-width:1280px;
  --max-width-narrow:880px;
  --space-section:120px;
  --space-unit:8px;
  --sharp-corner:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px)
}
:focus-visible{outline:3px solid var(--c-orange);outline-offset:2px}
::selection{background:var(--c-green);color:var(--c-deep)}
.container{width:min(100% - 48px,var(--max-width));margin-inline:auto}
.container--narrow{max-width:var(--max-width-narrow)}
.section{padding-block:var(--space-section);position:relative}
.section--tight{padding-block:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-number{font-family:var(--font-mono);font-size:var(--text-sm);color:var(--c-green);letter-spacing:.14em;font-weight:700;display:flex;align-items:center;gap:10px}
.section-number::before{content:'';width:28px;height:2px;background:var(--c-orange);display:inline-block}
.section-title{font-family:var(--font-display);font-weight:900;font-size:var(--text-2xl);line-height:1.15;letter-spacing:-0.02em;margin-top:10px;text-wrap:balance}
.section-title--xl{font-size:var(--text-hero)}
.prose{max-width:720px}
.prose p{margin:1.1em 0 1.4em}
.grid{display:grid;gap:28px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;font-family:var(--font-body);font-weight:700;font-size:var(--text-sm);line-height:1;border:1px solid var(--c-line);background:transparent;color:var(--c-white);text-decoration:none;clip-path:var(--sharp-corner);transition:background .2s,color .2s,border-color .2s}
.btn:hover{text-decoration:none;border-color:var(--c-green);color:var(--c-green)}
.btn--primary{background:var(--c-green);border-color:var(--c-green);color:var(--c-deep)}
.btn--primary:hover{background:var(--c-white);border-color:var(--c-white);color:var(--c-deep)}
.btn--ghost{border-color:var(--c-line)}
.btn--ghost:hover{border-color:var(--c-orange);color:var(--c-orange)}
.card{position:relative;background:linear-gradient(160deg,rgba(30,58,95,.9),rgba(15,27,45,.96));border:1px solid var(--c-line);padding:28px;clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px);transition:border-color .2s,transform .2s}
.card::before{content:'';position:absolute;inset:-8px 8px 8px -8px;border:1px solid rgba(0,255,136,.16);pointer-events:none}
.card:hover{border-color:rgba(0,255,136,.55);transform:translateY(-4px)}
.card>*{position:relative}
.card__title{font-family:var(--font-display);font-weight:900;font-size:var(--text-lg);line-height:1.3;margin-bottom:14px}
.card__desc{color:var(--c-mist);font-size:var(--text-sm);line-height:1.7}
.tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,255,136,.12);color:var(--c-green);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;line-height:1;padding:8px 12px;letter-spacing:.06em;text-transform:uppercase}
.tag--orange{background:rgba(255,107,0,.16);color:var(--c-orange)}
.data-stat{font-family:var(--font-mono);font-variant-numeric:tabular-nums;line-height:1.2}
.data-stat__value{display:block;font-size:var(--text-2xl);font-weight:700;color:var(--c-green)}
.data-stat__label{display:block;font-family:var(--font-body);font-size:var(--text-xs);color:var(--c-mist);letter-spacing:.1em;text-transform:uppercase;margin-top:8px}
.media-frame{position:relative;overflow:hidden;border:1px solid var(--c-line);background:linear-gradient(135deg,rgba(30,58,95,.7),rgba(10,22,40,.95));clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px)}
.media-frame::before{content:'';display:block;padding-top:56.25%}
.media-frame--tall::before{padding-top:132%}
.media-frame--square::before{padding-top:100%}
.media-frame__placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--c-mist);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.2em;text-transform:uppercase}
.media-frame__placeholder::before{content:'';width:8px;height:8px;background:var(--c-green);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);animation:pulse 1.8s ease-in-out infinite}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1200;background:var(--c-green);color:var(--c-deep);font-weight:700;padding:14px 24px}
.skip-link:focus{left:0;top:0;text-decoration:none}
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1100;pointer-events:none;background:transparent}
.scroll-progress__bar{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--c-green),var(--c-cyan) 55%,var(--c-orange))}
.site-header{position:relative;z-index:60;background:var(--c-deep);border-bottom:1px solid var(--c-line)}
.header-masthead{position:relative;overflow:hidden;background:radial-gradient(circle at 84% 16%,rgba(0,210,255,.12),transparent 280px),linear-gradient(135deg,rgba(0,255,136,.07) 0%,transparent 45%),var(--c-deep);border-bottom:1px solid var(--c-line)}
.header-masthead__inner{max-width:var(--max-width);margin-inline:auto;padding:26px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:1}
.brand{display:inline-flex;flex-direction:column;gap:7px;text-decoration:none;line-height:1}
.brand:hover{text-decoration:none}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:44px;letter-spacing:-.04em;color:var(--c-white);line-height:1}
.brand__name-mark{color:var(--c-green)}
.brand__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--c-mist);text-transform:uppercase}
.masthead-aside{display:inline-flex;align-items:center;gap:16px;border-left:1px solid var(--c-line);padding-left:20px}
.masthead-aside__status{display:inline-flex;align-items:center;gap:10px;color:var(--c-white);font-weight:700;font-size:var(--text-sm)}
.masthead-aside__dot{width:9px;height:9px;background:var(--c-green);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);animation:pulse 1.8s ease-in-out infinite}
.masthead-aside__mono{font-family:var(--font-mono);font-size:12px;color:var(--c-mist);letter-spacing:.12em}
.main-nav{position:relative;background:var(--c-ink);border-bottom:1px solid var(--c-line)}
.main-nav::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,var(--c-green),transparent 28%,transparent 72%,var(--c-orange));opacity:.45;pointer-events:none}
.nav-toggle{display:none}
.nav-list{display:flex;justify-content:center;list-style:none;max-width:var(--max-width);margin-inline:auto;padding:0 24px}
.nav-item{position:relative}
.nav-item+.nav-item .nav-link{border-left:1px solid rgba(255,255,255,.07)}
.nav-link{display:inline-flex;align-items:center;gap:10px;padding:16px 22px;color:var(--c-mist);font-weight:700;font-size:15px;text-decoration:none;transition:background .2s,color .2s;white-space:nowrap}
.nav-link:hover{background:rgba(0,255,136,.08);color:var(--c-white);text-decoration:none}
.nav-link__num{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--c-green);opacity:.85}
.nav-link[aria-current="page"]{background:var(--c-green);color:var(--c-deep);clip-path:polygon(10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px),0 10px)}
.nav-link[aria-current="page"] .nav-link__num{color:var(--c-deep);opacity:1}
.header-strip{background:var(--c-night);color:var(--c-mist);border-bottom:1px solid var(--c-line)}
.header-strip__inner{max-width:var(--max-width);margin-inline:auto;padding:11px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.header-breadcrumb{display:flex;align-items:center;gap:10px;font-size:var(--text-sm)}
.header-breadcrumb__link{color:var(--c-green);text-decoration:none}
.header-breadcrumb__link:hover{text-decoration:underline}
.header-breadcrumb__sep{color:var(--c-line);font-family:var(--font-mono)}
.header-breadcrumb__current{color:var(--c-white);font-weight:700}
.header-strip__ticker{display:flex;align-items:center;gap:22px;font-family:var(--font-mono);font-size:12px;color:var(--c-mist);letter-spacing:.04em}
.ticker__item{display:inline-flex;align-items:center;gap:10px}
.ticker__item::before{content:'//';color:var(--c-orange);font-size:12px}
.site-footer{position:relative;background:var(--c-ink);color:var(--c-mist);margin-top:var(--space-section);border-top:1px solid var(--c-line)}
.site-footer__accent{height:3px;background:linear-gradient(90deg,var(--c-green),var(--c-cyan) 42%,var(--c-orange));opacity:.75}
.site-footer__container{max-width:var(--max-width);margin-inline:auto;padding:64px 24px 0}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:52px;padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.07)}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.footer-brand__link{display:inline-flex;align-items:baseline;gap:12px;text-decoration:none;line-height:1}
.footer-brand__link:hover{text-decoration:none}
.footer-brand__name{font-family:var(--font-display);font-weight:900;font-size:34px;letter-spacing:-.03em;color:var(--c-white)}
.footer-brand__edition{font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;color:var(--c-green);text-transform:uppercase}
.footer-brand__statement{font-size:var(--text-sm);line-height:1.8;color:var(--c-mist);max-width:36em;margin:0}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.footer-badges__item{border:1px solid var(--c-line);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--c-mist);padding:6px 12px;text-transform:uppercase}
.footer-column-title{font-family:var(--font-display);font-weight:900;font-size:var(--text-sm);letter-spacing:.16em;color:var(--c-green);text-transform:uppercase;margin-bottom:20px}
.footer-contact__list{list-style:none;display:grid;gap:14px}
.footer-contact__item{display:grid;gap:4px}
.footer-contact__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--c-line);text-transform:uppercase}
.footer-contact__value{color:var(--c-white);font-size:var(--text-sm);line-height:1.6;word-break:break-all}
.footer-links__list{list-style:none;display:grid;gap:12px}
.footer-link{color:var(--c-mist);font-size:var(--text-sm);text-decoration:none;transition:color .2s}
.footer-link:hover{color:var(--c-green);text-decoration:none}
.site-footer__bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0;color:var(--c-mist);font-size:12px}
.site-footer__copyright,.site-footer__icp{margin:0;font-family:var(--font-mono);letter-spacing:.04em}
.back-top{position:fixed;left:24px;bottom:24px;z-index:200;display:inline-flex;align-items:center;gap:10px;padding:10px 20px 10px 12px;background:var(--c-green);color:var(--c-deep);border:0;border-radius:999px;font-family:var(--font-display);font-weight:900;font-size:14px;box-shadow:0 10px 32px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .25s,transform .25s,visibility .25s}
.back-top[data-visible="true"]{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--c-white)}
.back-top__icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--c-deep);color:var(--c-green);border-radius:50%;font-family:var(--font-mono);font-size:14px;line-height:1}
.back-top__text{letter-spacing:.02em}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media(max-width:920px){
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:40px}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
  .nav-toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:16px 24px;background:var(--c-ink);border:0;color:var(--c-white);font-weight:700;font-size:var(--text-sm)}
  .nav-toggle:hover{background:var(--c-night)}
  .nav-toggle__text{letter-spacing:.12em}
  .nav-toggle__bars{position:relative;width:22px;height:2px;background:var(--c-green);transition:background .2s}
  .nav-toggle__bars::before,.nav-toggle__bars::after{content:'';position:absolute;left:0;right:0;height:2px;background:var(--c-green);transition:transform .2s}
  .nav-toggle__bars::before{top:-7px}
  .nav-toggle__bars::after{top:7px}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-7px) rotate(-45deg)}
  .nav-list{display:none;flex-direction:column;padding:8px 16px 16px}
  .main-nav[data-open="true"] .nav-list{display:block}
  .nav-item+.nav-item .nav-link{border-left:0;border-top:1px solid rgba(255,255,255,.06)}
  .nav-link{width:100%;padding:14px 18px;border-radius:0}
  .nav-link[aria-current="page"]{clip-path:polygon(8px 0,calc(100% - 8px) 0,100% 8px,100% calc(100% - 8px),calc(100% - 8px) 100%,8px 100%,0 calc(100% - 8px),0 8px)}
  .header-strip__ticker{display:none}
}
@media(max-width:640px){
  .header-masthead__inner{flex-direction:column;align-items:flex-start;padding:20px 20px}
  .brand__name{font-size:34px}
  .masthead-aside{padding-left:0;border-left:0;width:100%;justify-content:space-between}
  .masthead-aside__mono{display:none}
  .header-strip__inner{padding:10px 20px}
  .header-breadcrumb{width:100%}
  .site-footer__grid{grid-template-columns:1fr;gap:36px}
  .site-footer__container{padding:44px 20px 0}
  .site-footer__bottom{flex-direction:column;align-items:flex-start}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .section-title--xl{font-size:var(--text-2xl)}
  :root{--space-section:76px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .masthead-aside__dot,.media-frame__placeholder::before{animation:none}
}