:root{
  --bg:#0b0d10;--panel:#11151a;--panel-alt:#0e1318;--text:#e6ebf0;--muted:#9aa6b2;--brand:#3aa3ff;--brand-2:#7c5cff;--ok:#2ecc71;--warn:#f1c40f;--danger:#e74c3c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Noto Sans SC',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;background:var(--bg);color:var(--text);font-size-adjust:0.5;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:min(1200px,92%);margin:0 auto}
.flex{display:flex}
.between{justify-content:space-between}
.center{align-items:center}
.grid{display:grid;gap:24px}
.grid.two{grid-template-columns:1.2fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}

.btn{display:inline-block;padding:10px 16px;border:1px solid #2a3138;border-radius:10px;background:#182029;color:#e6ebf0;transition:.2s;}
.btn:hover{transform:translateY(-1px);border-color:#415063}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent}
.btn-ghost{background:transparent}
.btn-sm{padding:8px 12px}
.btn-block{display:block;text-align:center}

.site-header{position:sticky;top:0;background:rgba(11,13,16,.85);backdrop-filter:saturate(1.5) blur(8px);border-bottom:1px solid #151a20;z-index:10}
.site-header .logo{font-weight:700;letter-spacing:.5px}
.nav{gap:18px}
.nav a{padding:10px 8px;color:var(--muted)}
.nav a:hover{color:#fff}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;position:relative}
.nav-toggle span{position:absolute;left:8px;right:8px;height:2px;background:#cfd6de;border-radius:2px;transition:.2s}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:26px}

.hero{padding:72px 0 32px;background:radial-gradient(1200px 600px at 70% -20%,rgba(58,163,255,.25),transparent),radial-gradient(800px 400px at -20% 10%,rgba(124,92,255,.18),transparent)}
.hero h1{font-size:40px;margin:0 0 12px}
.hero p{color:var(--muted)}
.hero-cta{margin:18px 0 12px;display:flex;gap:12px}
.hero-highlights{display:flex;gap:18px;flex-wrap:wrap;color:#c7d1db;padding:0;margin:10px 0 0}
.hero-highlights li{list-style:none;background:#141a22;border:1px solid #222a34;padding:6px 10px;border-radius:8px}
.hero-visual{padding:18px}
.hero-image{width:100%;height:auto;border-radius:14px;border:1px solid #1a2027;margin-bottom:12px}
.img-raised{box-shadow:0 18px 36px rgba(0,0,0,.35)}
.stats{display:flex;gap:12px;flex-wrap:wrap}
.stat{background:#10161d;border:1px solid #1e2631;border-radius:10px;padding:12px 14px}
.stat .value{font-weight:700}
.diagram{display:flex;gap:8px;align-items:center;margin:12px 0}
.diagram .node{background:#121922;border:1px solid #1f2834;border-radius:10px;padding:8px 12px}
.diagram .node.accent{border-color:rgba(58,163,255,.5);box-shadow:0 0 0 2px rgba(58,163,255,.15) inset}
.diagram .arrow{color:#3b4654}
.muted{color:var(--muted)}
.tiny{font-size:12px}

.section{padding:64px 0;border-top:1px solid #151a20}
.section.alt{background:linear-gradient(180deg,rgba(16,22,29,.5),rgba(16,22,29,.1))}

.card{background:var(--panel);border:1px solid #1a2027;border-radius:14px;padding:18px}
.shadow{box-shadow:0 10px 30px rgba(0,0,0,.25)}
.cards{gap:18px}
.card-cover{width:100%;height:auto;border-radius:10px;border:1px solid #1a2027;margin-bottom:10px}

.check-list,.dot-list{margin:10px 0;padding-left:18px;color:#cbd5e1}
.check-list li{list-style:"✔ ";margin:8px 0}
.dot-list li{list-style:disc;margin:8px 0}

.brands{padding:24px 0}
.logo-row{display:flex;gap:10px;flex-wrap:wrap}
.logo-badge{background:#121922;border:1px solid #1f2834;border-radius:999px;padding:6px 12px;color:#cbd5e1}
.brand-logos{display:none}

.tabs{margin-top:12px}
.tab-list{display:flex;gap:8px;flex-wrap:wrap}
.tab{background:#121922;border:1px solid #1f2834;color:#cfe0f0;border-radius:10px;padding:8px 12px;cursor:pointer}
.tab.active{background:linear-gradient(135deg,rgba(58,163,255,.15),rgba(124,92,255,.15));border-color:rgba(58,163,255,.45)}
.tab-panels{margin-top:16px}
.tab-panel{display:none}
.tab-panel.active{display:block}

.timeline{position:relative;margin-top:8px}
.tl-item{position:relative;padding-left:26px;margin:16px 0}
.tl-dot{position:absolute;left:8px;top:12px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.tl-content{background:#0f151c;border:1px solid #1b2430;border-radius:10px;padding:12px}

.pricing{gap:18px}
.price-card .price{font-size:22px;margin:8px 0 12px;color:#e9f2fb}
.price-card.featured{outline:2px solid rgba(58,163,255,.4)}

.faq .faq-item{border-bottom:1px dashed #233042}
.faq .faq-q{display:block;width:100%;text-align:left;background:none;border:0;color:#e6ebf0;padding:12px 0;cursor:pointer}
.faq .faq-a{display:none;color:#b7c3cf;padding:0 0 12px}
.faq .faq-item.active .faq-a{display:block}

.contact-form label{display:block;margin:8px 0}
.contact-form span{display:block;color:#c7d1db;margin-bottom:6px}
input,textarea{width:100%;background:#10161d;border:1px solid #1e2631;border-radius:10px;color:#e6ebf0;padding:10px}
input:focus,textarea:focus{outline:2px solid rgba(58,163,255,.35);border-color:transparent}

.site-footer{padding:24px 0;border-top:1px solid #151a20;background:#0a0e12}
.site-footer .logo{font-weight:600}

@media (max-width: 900px){
  .grid.two{grid-template-columns:1fr}
  .grid.three{grid-template-columns:1fr}
  .nav{display:none;position:absolute;right:12px;top:56px;background:#0f151c;border:1px solid #1b2430;border-radius:10px;padding:8px;flex-direction:column}
  .nav.show{display:flex}
  .nav-toggle{display:block}
  .hero{padding-top:56px}
}