*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter','PingFang SC',system-ui,sans-serif;font-weight:400;line-height:1.6;color:#B0B8C8;background:#0A0E1A;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
:root{
  --color-bg-primary:#0A0E1A;
  --color-bg-secondary:#12172B;
  --color-accent-blue:#00D4FF;
  --color-accent-purple:#9500FF;
  --color-text-white:#FFFFFF;
  --color-text-light:#B0B8C8;
  --color-text-dim:#6A7284;
  --color-data-highlight:#FF3366;
  --font-heading:'Inter','PingFang SC',system-ui,sans-serif;
  --font-body:'Inter','PingFang SC',system-ui,sans-serif;
  --font-data:'JetBrains Mono','Courier New',monospace;
  --header-height:72px;
  --container-max:1280px;
  --gap:24px;
  --radius:8px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1)
}
a{color:var(--color-accent-blue);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--color-text-white)}
a:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px;border-radius:2px}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
button:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px;border-radius:2px}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--gap)}
.skip-link{position:absolute;top:-100px;left:16px;z-index:10000;background:var(--color-accent-blue);color:#0A0E1A;padding:8px 16px;border-radius:var(--radius);font-weight:700;transition:top 0.2s}
.skip-link:focus{top:8px}
.scroll-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--color-accent-blue),var(--color-accent-purple));z-index:9999;transition:width 0.1s linear;pointer-events:none}
@media(prefers-reduced-motion:reduce){.scroll-progress{transition:none}html{scroll-behavior:auto}}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,14,26,0.3);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(0,212,255,0.08);transition:background var(--transition),border-color var(--transition)}
.site-header[data-scrolled]{background:rgba(10,14,26,0.97);border-bottom-color:rgba(0,212,255,0.15)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}
.brand{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;color:var(--color-text-white)}
.brand:hover{color:var(--color-text-white)}
.brand-name{font-family:var(--font-heading);font-weight:800;font-size:1.35rem;letter-spacing:0.02em;color:var(--color-text-white)}
.brand-sub{font-size:0.7rem;font-weight:500;color:var(--color-accent-blue);letter-spacing:0.08em;text-transform:uppercase;margin-top:-2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;background:transparent;border:none;cursor:pointer;z-index:1001}
.nav-toggle__bar{display:block;width:26px;height:2.5px;background:var(--color-text-white);border-radius:2px;transition:transform var(--transition),opacity var(--transition)}
[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{display:block;padding:8px 16px;font-family:var(--font-heading);font-weight:600;font-size:0.9rem;color:var(--color-text-light);border-radius:var(--radius);transition:color var(--transition),background var(--transition);position:relative}
.nav-list a:hover{color:var(--color-text-white);background:rgba(0,212,255,0.08)}
.nav-list a[aria-current="page"]{color:var(--color-accent-blue);background:rgba(0,212,255,0.12)}
.nav-list a[aria-current="page"]::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--color-accent-blue);border-radius:1px}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:rgba(10,14,26,0.99);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:100px 32px 40px;transition:right 0.35s cubic-bezier(0.4,0,0.2,1);border-left:1px solid rgba(0,212,255,0.1);overflow-y:auto}
  .nav[data-open]{right:0}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list a{padding:14px 20px;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,0.04)}
  .nav-list a[aria-current="page"]::after{display:none}
}
.site-footer{background:var(--color-bg-primary);border-top:1px solid rgba(0,212,255,0.08);padding:64px 0 32px;margin-top:80px}
.site-footer__inner{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:40px var(--gap)}
.footer-brand .brand{margin-bottom:12px}
.footer-slogan{font-size:0.85rem;color:var(--color-text-dim);letter-spacing:0.04em;margin-top:4px}
.footer-links{display:flex;flex-direction:column;gap:12px;padding-top:8px}
.footer-links a{color:var(--color-text-light);font-size:0.9rem;font-weight:500;transition:color var(--transition);position:relative;padding-left:16px}
.footer-links a::before{content:'›';position:absolute;left:0;color:var(--color-accent-blue);font-weight:700}
.footer-links a:hover{color:var(--color-accent-blue)}
.footer-contact{display:flex;flex-direction:column;gap:8px;padding-top:8px;font-size:0.85rem;color:var(--color-text-light)}
.footer-contact__label{color:var(--color-text-dim);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.06em;display:block}
.footer-trust{grid-column:1/-1;padding:28px 0 12px;border-top:1px solid rgba(255,255,255,0.04);font-size:0.8rem;color:var(--color-text-dim);line-height:1.5}
.footer-meta{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:12px;border-top:1px solid rgba(255,255,255,0.04);font-size:0.78rem;color:var(--color-text-dim)}
.footer-copyright span{color:var(--color-text-light)}
.footer-icp{color:var(--color-text-dim);letter-spacing:0.02em}
@media(max-width:768px){
  .site-footer{padding:48px 0 24px}
  .site-footer__inner{grid-template-columns:1fr;gap:28px}
  .footer-links{flex-direction:row;flex-wrap:wrap;gap:8px 20px}
  .footer-links a{padding-left:0}
  .footer-links a::before{display:none}
  .footer-contact{gap:6px}
  .footer-meta{flex-direction:column;align-items:flex-start;gap:4px}
}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-family:var(--font-heading);font-weight:700;font-size:0.9rem;border-radius:var(--radius);transition:all var(--transition);text-decoration:none;line-height:1.2;gap:8px}
.btn-primary{background:var(--color-accent-blue);color:#0A0E1A;border:2px solid var(--color-accent-blue)}
.btn-primary:hover{background:transparent;color:var(--color-accent-blue);box-shadow:0 0 20px rgba(0,212,255,0.3)}
.btn-outline{background:transparent;color:var(--color-accent-purple);border:2px solid var(--color-accent-purple)}
.btn-outline:hover{background:var(--color-accent-purple);color:#fff;box-shadow:0 0 20px rgba(149,0,255,0.3)}
.section{padding:80px 0}
@media(max-width:768px){.section{padding:48px 0}}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.grid--gap-sm{gap:12px}
.grid--gap-lg{gap:32px}
.card{background:var(--color-bg-secondary);border-radius:var(--radius);padding:24px;border:1px solid rgba(255,255,255,0.04);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,0.4);border-color:rgba(0,212,255,0.15)}
.data-panel{background:var(--color-bg-secondary);border-radius:var(--radius);padding:20px 24px;border:1px solid rgba(0,212,255,0.1);font-family:var(--font-data);position:relative}
.data-panel::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--color-accent-blue),var(--color-accent-purple));border-radius:4px 0 0 4px}
.data-highlight{color:var(--color-accent-blue);font-weight:700}
.data-highlight--red{color:var(--color-data-highlight)}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter-tabs .btn{font-size:0.82rem;padding:8px 18px;background:var(--color-bg-secondary);color:var(--color-text-light);border:1px solid rgba(255,255,255,0.06)}
.filter-tabs .btn[data-active]{background:rgba(0,212,255,0.15);color:var(--color-accent-blue);border-color:var(--color-accent-blue)}
.filter-tabs .btn:hover{background:rgba(0,212,255,0.08);color:var(--color-text-white)}
.timeline{position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:12px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--color-accent-blue),var(--color-accent-purple),transparent)}
.timeline-node{position:relative;padding:16px 0 16px 24px;border-left:2px solid rgba(0,212,255,0.15);margin-bottom:8px}
.timeline-node::before{content:'';position:absolute;left:-7px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--color-bg-primary);border:2px solid var(--color-accent-blue)}
.step-node{display:flex;gap:16px;align-items:flex-start;padding:20px;background:var(--color-bg-secondary);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.04);position:relative}
.step-node__num{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--color-accent-blue),var(--color-accent-purple));font-family:var(--font-heading);font-weight:800;font-size:1.1rem;color:#0A0E1A}
.glow-border{position:relative;border-radius:var(--radius)}
.glow-border::after{content:'';position:absolute;inset:-2px;border-radius:calc(var(--radius) + 2px);background:linear-gradient(135deg,var(--color-accent-blue),transparent,var(--color-accent-purple));z-index:-1;opacity:0.4;transition:opacity var(--transition)}
.glow-border:hover::after{opacity:0.8}
.breadcrumb{display:flex;flex-wrap:wrap;gap:4px 8px;padding:16px 0;font-size:0.85rem;color:var(--color-text-dim)}
.breadcrumb a{color:var(--color-text-light)}
.breadcrumb a:hover{color:var(--color-accent-blue)}
.breadcrumb [aria-current="page"]{color:var(--color-text-white);font-weight:600}
.floating-panel{position:relative;background:var(--color-bg-secondary);border-radius:var(--radius);padding:28px;border:1px solid rgba(0,212,255,0.12);box-shadow:0 16px 48px rgba(0,0,0,0.5);transform:rotate(-0.5deg);transition:transform var(--transition)}
.floating-panel:hover{transform:rotate(0deg)}
.tag{display:inline-block;padding:3px 10px;font-size:0.7rem;font-weight:600;border-radius:20px;background:rgba(0,212,255,0.12);color:var(--color-accent-blue);letter-spacing:0.04em}
.tag--purple{background:rgba(149,0,255,0.15);color:var(--color-accent-purple)}
.tag--red{background:rgba(255,51,102,0.15);color:var(--color-data-highlight)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:800;line-height:1.1;color:var(--color-text-white);letter-spacing:-0.02em}
h1{font-size:3.5rem;margin-bottom:16px}
h2{font-size:2.4rem;margin-bottom:14px}
h3{font-size:1.6rem;margin-bottom:10px}
h4{font-size:1.2rem;margin-bottom:8px}
p{margin-bottom:16px;color:var(--color-text-light)}
@media(max-width:768px){
  h1{font-size:2.2rem}
  h2{font-size:1.7rem}
  h3{font-size:1.25rem}
}
.container--narrow{max-width:860px}
.text-center{text-align:center}
.text-data{font-family:var(--font-data)}
.mt-1{margin-top:8px}
.mt-2{margin-top:16px}
.mt-3{margin-top:24px}
.mt-4{margin-top:32px}
.mb-1{margin-bottom:8px}
.mb-2{margin-bottom:16px}
.mb-3{margin-bottom:24px}
.mb-4{margin-bottom:32px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:0.01ms!important;animation-duration:0.01ms!important}
  .card:hover{transform:none}
  .floating-panel{transform:none}
}
@media(max-width:1024px){
  .grid{grid-template-columns:repeat(6,1fr);gap:16px}
}
@media(max-width:480px){
  .grid{grid-template-columns:1fr;gap:12px}
  .container{padding:0 16px}
}