*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:16px;line-height:1.75;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;color-scheme:dark}
main{flex:1 0 auto;display:block}
img,svg,video{display:block;max-width:100%}
ul,ol{list-style:none}
button,input,textarea,select{font:inherit;color:inherit;background:none;border:none}
button{cursor:pointer}
address{font-style:normal}
a{color:var(--color-glow);text-decoration:none;transition:color .2s var(--ease)}
:focus-visible{outline:2px solid var(--color-glow);outline-offset:3px}
::selection{background:var(--color-glow);color:var(--color-bg)}
:root{
  --color-bg:#0A0E14;--color-surface:#111926;--color-glow:#00E5FF;--color-danger:#FF3D3D;
  --color-gold:#FFD700;--color-text:#F2F4F8;--color-text-dim:#A0AAB5;--color-line:#1F2A3A;
  --color-success:#00C853;--color-warn:#FF9F1C;
  --font-heading:"Anton","Impact","Noto Sans SC","PingFang SC",sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Consolas",monospace;
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;
  --space-6:32px;--space-7:48px;--space-8:64px;
  --container-w:1200px;--header-h:68px;
  --radius:2px;--shadow-panel:0 12px 40px rgba(0,0,0,.45);
  --glass:rgba(17,25,38,.78);--blur:blur(16px);
  --ease:cubic-bezier(.22,1,.36,1)
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;letter-spacing:.02em;color:var(--color-text)}
.container{width:100%;max-width:var(--container-w);margin-inline:auto;padding-inline:var(--space-5)}
.grid{display:grid;gap:var(--space-5)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.section{position:relative;padding:var(--space-8) 0}
.section-hd{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-5);margin-bottom:var(--space-6)}
.section-title{font-family:var(--font-heading);font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.15;text-transform:uppercase;margin-top:var(--space-2)}
.section-tag{display:inline-flex;align-items:center;gap:var(--space-2);font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--color-glow)}
.section-tag::before{content:"//";opacity:.7}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--color-text-dim);margin-bottom:var(--space-5)}
.breadcrumb a{color:var(--color-glow)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb__sep{opacity:.4}
.page-hero{position:relative;padding:var(--space-8) 0 var(--space-7);border-bottom:1px solid var(--color-line);overflow:hidden}
.page-hero__tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--color-glow)}
.page-hero__title{font-family:var(--font-heading);font-size:clamp(2.25rem,6vw,4rem);line-height:1.05;letter-spacing:.02em;text-transform:uppercase;margin-top:var(--space-3);color:var(--color-text)}
.page-hero__desc{max-width:640px;color:var(--color-text-dim);line-height:1.8;margin-top:var(--space-4)}
.mono-label{display:inline-flex;align-items:center;gap:var(--space-2);font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-dim)}
.mono-label::before{content:"";width:12px;height:1px;background:var(--color-glow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:44px;padding:10px 24px;font-family:var(--font-body);font-size:15px;font-weight:600;letter-spacing:.04em;line-height:1;text-decoration:none;border-radius:var(--radius);transition:all .25s var(--ease);clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px)}
.btn-primary{background:var(--color-glow);color:var(--color-bg)}
.btn-primary:hover{box-shadow:0 0 28px rgba(0,229,255,.45);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--color-text);border:1px solid var(--color-line)}
.btn-ghost:hover{border-color:var(--color-glow);color:var(--color-glow);transform:translateY(-2px)}
.btn-danger{background:var(--color-danger);color:var(--color-bg)}
.btn-danger:hover{box-shadow:0 0 28px rgba(255,61,61,.4);transform:translateY(-2px)}
.panel-card{position:relative;background:var(--glass);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--color-line);border-radius:var(--radius);padding:var(--space-6);box-shadow:var(--shadow-panel)}
.panel-card::before{content:"";position:absolute;top:0;left:0;width:16px;height:16px;border-top:2px solid var(--color-glow);border-left:2px solid var(--color-glow);opacity:.5;pointer-events:none}
.panel-card::after{content:"";position:absolute;bottom:0;right:0;width:16px;height:16px;border-bottom:2px solid var(--color-danger);border-right:2px solid var(--color-danger);opacity:.4;pointer-events:none}
.image-frame{position:relative;overflow:hidden;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius);min-height:120px}
.image-frame--16-9{aspect-ratio:16/9}
.image-frame--4-3{aspect-ratio:4/3}
.image-frame--square{aspect-ratio:1/1}
.image-frame img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.image-frame:hover img{transform:scale(1.02)}
.image-frame:empty{display:flex;align-items:center;justify-content:center}
.image-frame:empty::after{content:"IMAGE SLOT";font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;color:var(--color-text-dim);opacity:.5}
.skip-link{position:absolute;top:0;left:-999px;z-index:200;display:inline-flex;align-items:center;padding:10px 18px;background:var(--color-glow);color:var(--color-bg);font-family:var(--font-mono);font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap;border-radius:0 0 var(--radius) var(--radius);transition:left .2s var(--ease),top .2s var(--ease)}
.skip-link:focus,.skip-link:focus-visible{left:8px;top:8px;outline:none;box-shadow:0 4px 20px rgba(0,229,255,.5)}
.scroll-progress{position:absolute;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--color-glow),var(--color-gold));z-index:20;pointer-events:none;box-shadow:0 0 12px rgba(0,229,255,.6)}
.site-header{position:sticky;top:0;z-index:100;background:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px),rgba(10,14,20,.92);background-size:24px 24px,24px 24px,auto;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--color-line)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:var(--header-h);position:relative}
.site-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--color-text);font-family:var(--font-heading);font-size:22px;font-weight:700;letter-spacing:.08em;line-height:1;text-transform:uppercase;white-space:nowrap;transition:color .2s var(--ease)}
.site-brand:hover{color:var(--color-glow)}
.site-brand__mark{position:relative;width:22px;height:24px;flex-shrink:0;display:block}
.site-brand__mark::before,.site-brand__mark::after{content:"";position:absolute;left:0;width:22px;height:3px;background:var(--color-glow);transform:skewX(-24deg);border-radius:1px}
.site-brand__mark::before{top:6px;box-shadow:0 0 8px rgba(0,229,255,.5)}
.site-brand__mark::after{top:15px;opacity:.4}
.nav-toggle{display:none;align-items:center;gap:var(--space-2);padding:8px 12px;border:1px solid var(--color-line);border-radius:var(--radius);background:rgba(17,25,38,.5);color:var(--color-text);font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease)}
.nav-toggle:hover{border-color:var(--color-glow);color:var(--color-glow)}
.nav-toggle__box{display:flex;flex-direction:column;gap:4px}
.nav-toggle__line{display:block;width:18px;height:2px;background:currentColor;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-nav{position:static;visibility:visible;max-height:none;overflow:visible;background:transparent;border:none}
.nav-list{display:flex;align-items:center;gap:var(--space-2)}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-size:15px;font-weight:500;color:var(--color-text-dim);text-decoration:none;position:relative;white-space:nowrap;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--color-glow);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--color-text)}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--color-glow);text-shadow:0 0 14px rgba(0,229,255,.35)}
.nav-link__index{font-family:var(--font-mono);font-size:11px;line-height:1;color:var(--color-glow);opacity:.55}
.site-footer{position:relative;background:#060A10;border-top:1px solid var(--color-line);margin-top:auto;padding-bottom:0}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--color-glow),transparent 35%,var(--color-danger) 55%,transparent 75%,var(--color-gold));pointer-events:none}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-7) var(--space-6);padding:var(--space-8) 0 var(--space-6)}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-4)}
.footer-trust{color:var(--color-text-dim);font-size:14px;line-height:1.8;max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:var(--space-4)}
.footer-links__title{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--color-text);margin:0 0 var(--space-2);padding-bottom:8px;position:relative;font-weight:500}
.footer-links__title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--color-glow);opacity:.6}
.footer-links__list{display:flex;flex-direction:column;gap:10px}
.footer-links__list a{display:inline-flex;align-items:center;gap:6px;color:var(--color-text-dim);font-size:14px;text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links__list a::before{content:"›";color:var(--color-glow);opacity:0;transform:translateX(-4px);transition:opacity .2s var(--ease),transform .2s var(--ease)}
.footer-links__list a:hover{color:var(--color-glow);transform:translateX(2px)}
.footer-links__list a:hover::before{opacity:1;transform:translateX(0)}
.footer-mid{display:flex;flex-wrap:wrap;gap:var(--space-4) var(--space-6);align-items:center;justify-content:space-between;border-top:1px solid var(--color-line);padding:var(--space-5) 0}
.footer-contact{display:flex;flex-wrap:wrap;gap:var(--space-3) var(--space-5);align-items:center;font-size:13px;color:var(--color-text-dim)}
.footer-phone{font-family:var(--font-mono);color:var(--color-glow)}
.footer-email{color:var(--color-glow)}
.footer-address{color:var(--color-text-dim)}
.footer-support{color:var(--color-text-dim);font-size:13px;max-width:420px;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-5);align-items:center;justify-content:space-between;border-top:1px solid var(--color-line);padding:var(--space-4) 0 var(--space-5)}
.footer-copy,.footer-icp{font-family:var(--font-mono);font-size:12px;color:var(--color-text-dim);letter-spacing:.04em}
.footer-icp{opacity:.8}
.to-top{position:fixed;right:20px;bottom:20px;z-index:200;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--color-glow);color:var(--color-bg);font-size:18px;font-weight:700;border-radius:var(--radius);box-shadow:0 6px 24px rgba(0,229,255,.35);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:0 6px 32px rgba(0,229,255,.55)}
.js [data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:translateY(0)}
@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--space-6)}
  .footer-brand{grid-column:1/-1}
  .nav-link{padding:10px 8px;font-size:14px}
  .nav-link__index{font-size:10px}
}
@media (max-width:768px){
  :root{--header-h:60px}
  .container{padding-inline:var(--space-4)}
  .section{padding:var(--space-7) 0}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:rgba(10,14,20,.98);border-bottom:1px solid var(--color-line);max-height:0;overflow:hidden;visibility:hidden;transition:max-height .35s var(--ease),visibility .35s}
  .site-nav[data-open]{max-height:calc(100vh - var(--header-h));overflow-y:auto;visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list__item{border-bottom:1px solid var(--color-line)}
  .nav-list__item:last-child{border-bottom:none}
  .nav-link{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);font-size:16px}
  .nav-link::after{display:none}
  .nav-link__index{font-size:12px}
  .footer-top{grid-template-columns:1fr;gap:var(--space-6);padding:var(--space-7) 0 var(--space-5)}
  .footer-brand{grid-column:auto}
  .footer-mid{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px;width:40px;height:40px}
}
@media (max-width:480px){
  .site-brand{font-size:19px}
  .site-brand__mark{transform:scale(.9)}
  .nav-toggle__text{display:none}
  .page-hero{padding:var(--space-7) 0 var(--space-6)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .to-top{transition:none}
  .nav-toggle__line{transition:none}
  .nav-link::after{transition:none}
  .site-nav{transition:none}
}