:root{
  --bg-primary:#0D0F14;
  --bg-secondary:#14181F;
  --bg-tertiary:#1C222B;
  --accent-green:#00FF87;
  --accent-blue:#00E5FF;
  --signal-orange:#FF5E00;
  --text-primary:#E8EAF0;
  --text-secondary:#93A0B5;
  --border-color:#2E3845;
  --shadow-overlay:rgba(0,0,0,0.6);
  --font-headline:'Arial Black','Impact','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  --container-max:1360px;
  --container-pad:24px;
  --section-gap:72px;
  --transition-fast:0.2s ease;
  --transition-slow:0.45s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:16px;line-height:1.6;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
a{color:var(--accent-green);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--accent-blue)}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit;background:var(--bg-tertiary);border:1px solid var(--border-color);padding:10px 14px;border-radius:2px}
input:focus,textarea:focus{outline:2px solid var(--accent-green);outline-offset:2px}
:focus-visible{outline:2px solid var(--accent-green);outline-offset:3px;border-radius:2px}
::selection{background:rgba(0,255,135,0.25);color:var(--text-primary)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;padding:0;border:0}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad)}
.page-section{padding:var(--section-gap) 0}
.page-section--tight{padding:48px 0}
.page-header{padding:56px 0 32px;position:relative}
.page-header::before{content:'';position:absolute;top:0;left:0;width:64px;height:4px;background:var(--accent-green);clip-path:polygon(0 0,100% 0,90% 100%,0 100%)}
.page-header__title{font-family:var(--font-headline);font-size:clamp(40px,6vw,72px);line-height:1.05;letter-spacing:-0.02em;text-transform:uppercase;max-width:12em}
.page-header__meta{margin-top:16px;color:var(--text-secondary);font-size:14px;display:flex;align-items:center;gap:12px}
h1,h2,h3,h4{font-family:var(--font-headline);line-height:1.2;color:var(--text-primary)}
h1{font-size:clamp(36px,5vw,64px)}
h2{font-size:clamp(28px,3.5vw,44px)}
h3{font-size:clamp(22px,2.5vw,32px)}
h4{font-size:clamp(18px,2vw,24px)}
p{margin-bottom:16px}
.text-secondary{color:var(--text-secondary)}
.data-number{font-family:var(--font-headline);font-variant-numeric:tabular-nums;font-size:32px;line-height:1;color:var(--accent-green);letter-spacing:0.02em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-family:var(--font-body);font-size:15px;font-weight:600;line-height:1;border-radius:2px;border:1px solid transparent;transition:all var(--transition-fast);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn--primary{background:var(--accent-green);color:var(--bg-primary)}
.btn--primary:hover{background:var(--accent-blue);color:var(--bg-primary);transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,229,255,0.25)}
.btn--ghost{border-color:var(--accent-blue);color:var(--accent-blue);background:transparent}
.btn--ghost:hover{background:rgba(0,229,255,0.12);color:var(--accent-blue);transform:translateY(-2px)}
.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;padding:24px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}
.card:hover{border-color:var(--accent-green);box-shadow:0 0 0 1px rgba(0,255,135,0.15),0 8px 24px var(--shadow-overlay);transform:translateY(-2px)}
.card__title{font-family:var(--font-headline);font-size:20px;line-height:1.2;margin-bottom:8px}
.card__meta{font-size:13px;color:var(--text-secondary);margin-bottom:12px}
.card__body{font-size:15px;color:var(--text-secondary)}
.media-frame{position:relative;display:block;background:linear-gradient(145deg,var(--bg-tertiary),var(--bg-secondary));border:1px solid var(--border-color);border-radius:4px;overflow:hidden;aspect-ratio:16/9}
.media-frame--hero{aspect-ratio:16/6;border-radius:0}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-secondary);padding:16px 0}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--accent-green)}
.breadcrumb li+li::before{content:'/';margin-right:8px;color:var(--border-color)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;font-size:12px;font-weight:600;border-radius:2px;background:rgba(0,229,255,0.12);color:var(--accent-blue);border:1px solid rgba(0,229,255,0.25);letter-spacing:0.03em}
.tag--hot{background:rgba(255,94,0,0.14);color:var(--signal-orange);border-color:rgba(255,94,0,0.35)}
.skip-link{position:fixed;top:-48px;left:12px;z-index:1200;background:var(--accent-green);color:var(--bg-primary);padding:10px 20px;font-size:14px;font-weight:600;border-radius:0 0 4px 4px;transition:top 0.2s ease;text-decoration:none}
.skip-link:focus{top:0;color:var(--bg-primary)}
.site-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:1100;background:rgba(255,255,255,0.06)}
.site-progress__bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent-green),var(--accent-blue));transition:width 60ms linear}
.site-header{position:sticky;top:0;z-index:100;background:var(--bg-primary);border-bottom:1px solid var(--border-color)}
.site-header__masthead{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0 14px}
.site-brand__mark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}
.site-brand__flag{display:inline-block;width:10px;height:30px;background:linear-gradient(180deg,var(--accent-green),var(--accent-blue));clip-path:polygon(0 0,100% 20%,100% 80%,0 100%);flex-shrink:0}
.site-brand__name{font-family:var(--font-headline);font-size:24px;line-height:1;letter-spacing:-0.01em;color:var(--text-primary)}
.site-brand__tagline{margin-left:4px;padding:3px 10px;font-size:12px;font-weight:600;color:var(--accent-green);border:1px solid rgba(0,255,135,0.35);border-radius:2px;letter-spacing:0.08em;white-space:nowrap}
.site-header__meta{margin-left:auto}
.site-header__live{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;font-size:13px;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:999px;white-space:nowrap}
.site-header__dot{width:8px;height:8px;border-radius:50%;background:var(--accent-green);animation:pulse-dot 2s infinite;flex-shrink:0}
@keyframes pulse-dot{0%,100%{box-shadow:0 0 0 0 rgba(0,255,135,0.5)}50%{box-shadow:0 0 0 6px rgba(0,255,135,0)}}
.nav-toggle{display:none;flex-direction:column;justify-content:space-between;width:40px;height:32px;padding:7px 8px;border-radius:4px;border:1px solid var(--border-color);background:var(--bg-secondary)}
.nav-toggle__bar{display:block;height:2px;width:24px;background:var(--text-primary);border-radius:1px;transition:transform 0.3s ease,opacity 0.2s ease}
.nav-toggle:hover{border-color:var(--accent-green)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-nav{border-top:1px solid var(--border-color)}
.site-nav__list{display:flex;align-items:center;justify-content:center;gap:0;margin:0}
.site-nav__link{position:relative;display:block;padding:14px 22px;font-size:15px;font-weight:600;color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast);letter-spacing:0.02em}
.site-nav__link::after{content:'';position:absolute;left:50%;bottom:6px;width:0;height:2px;background:var(--accent-green);transform:translateX(-50%) skewX(-30deg);transition:width var(--transition-fast)}
.site-nav__link:hover{color:var(--accent-blue)}
.site-nav__link:hover::after{width:32px}
.site-nav__link[aria-current="page"]{color:var(--accent-green)}
.site-nav__link[aria-current="page"]::after{width:32px}
.site-footer{background:var(--bg-secondary);border-top:3px solid var(--border-color);margin-top:80px}
.site-footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;padding:64px 0 40px}
.site-footer__brand-link{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-headline);font-size:22px;color:var(--text-primary);text-decoration:none}
.site-footer__brand-mark{display:inline-block;width:8px;height:24px;background:linear-gradient(180deg,var(--accent-green),var(--accent-blue));clip-path:polygon(0 0,100% 20%,100% 80%,0 100%)}
.site-footer__tagline{margin:10px 0 12px;font-size:13px;font-weight:600;color:var(--accent-green);letter-spacing:0.06em}
.site-footer__desc{font-size:14px;line-height:1.7;color:var(--text-secondary);max-width:34em}
.site-footer__heading{display:flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:16px;letter-spacing:0.1em}
.site-footer__heading::before{content:'';width:12px;height:12px;background:var(--accent-green);clip-path:polygon(0 0,100% 30%,100% 100%,0 70%);flex-shrink:0}
.site-footer__links li{margin-bottom:10px}
.site-footer__links a{font-size:14px;color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast),padding-left var(--transition-fast)}
.site-footer__links a:hover{color:var(--accent-green);padding-left:4px}
.site-footer__contact-list li{margin-bottom:12px;font-size:14px;color:var(--text-secondary);line-height:1.7}
.site-footer__contact-item{display:flex;flex-direction:column}
.site-footer__contact-label{font-size:12px;font-weight:600;color:var(--text-primary);margin-bottom:2px;letter-spacing:0.08em;text-transform:uppercase}
.site-footer__contact-value{color:var(--text-secondary)}
.site-footer__note{padding:20px 0;border-top:1px solid var(--border-color);font-size:13px;color:var(--text-secondary);text-align:center}
.site-footer__bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0 24px;border-top:1px solid var(--border-color)}
.site-footer__copyright,.site-footer__icp{margin:0;font-size:13px;color:var(--text-secondary)}
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
[data-reveal].is-revealed{opacity:1;transform:translateY(0)}
@media(max-width:1024px){
  .container{--container-pad:20px}
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .site-brand__tagline{display:none}
}
@media(max-width:768px){
  :root{--section-gap:56px}
  .nav-toggle{display:flex}
  .site-header__masthead{padding:14px 0 12px}
  .site-header__meta{display:none}
  .site-nav{display:none;border-top:1px solid var(--border-color);background:var(--bg-secondary);border-radius:0 0 6px 6px}
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;justify-content:flex-start;padding:4px 0 8px}
  .site-nav__link{padding:13px 20px;border-bottom:1px solid rgba(46,56,69,0.6)}
  .site-nav__item:last-child .site-nav__link{border-bottom:none}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{background:rgba(0,255,135,0.08)}
  .site-nav__link:hover[aria-current="page"]{color:var(--accent-green)}
  .site-footer__grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .site-footer__bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}
  .site-header__dot{animation:none}
  [data-reveal]{opacity:1;transform:none}
}