:root {
  color-scheme: dark;
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --soft: #1e293b;
  --line: #334155;
  --brand: #3b82f6;
  --brand-2: #6366f1;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --info: #3b82f6;
  --bg: #0f172a;
  --panel: #1e293b;
  --shadow: 0 25px 60px rgba(0,0,0,.4);
  --shadow-sm: 0 10px 30px rgba(0,0,0,.3);
  --deep: #0f172a;
  --deep-2: #1e293b;
  --cyan-soft: #06b6d4;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-height:100vh;margin:0;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;display:flex;flex-direction:column;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(15,23,42,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(20px)}
.nav-shell{width:min(1200px,calc(100% - 48px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.02em}
.brand-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;color:#fff;background:linear-gradient(135deg,#3b82f6,#6366f1);font-size:13px;font-weight:900}
.nav{display:flex;align-items:stretch;gap:2px}
.nav-item{position:relative}
.nav-link{min-height:64px;display:inline-flex;align-items:center;padding:0 14px;color:#94a3b8;font-weight:600;font-size:13px;letter-spacing:.01em;transition:color .15s}
.nav-link:hover{color:#f8fafc}
.nav-link.active{color:var(--brand)}
.mega{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);padding:16px;background:#1e293b;border:1px solid #334155;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5);min-width:280px;z-index:100}
.nav-item:hover .mega{display:block}
.mega-grid{display:grid;gap:4px}
.mega-card{display:block;padding:10px 12px;border-radius:8px;transition:background .15s}
.mega-card:hover{background:rgba(255,255,255,.05)}
.mega-card strong{display:block;font-size:13px;font-weight:600;color:#f8fafc;margin-bottom:2px}
.mega-card span{font-size:12px;color:#64748b}
.header-actions{display:flex;gap:8px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;border:none;font-family:inherit}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:#2563eb}
.btn.ghost{background:transparent;color:#94a3b8;border:1px solid #334155}
.btn.ghost:hover{border-color:#64748b;color:#f8fafc}
.btn.sm{padding:6px 12px;font-size:12px}
.page-hero{padding:80px 40px 60px;text-align:center;background:linear-gradient(180deg,rgba(59,130,246,.06) 0%,transparent 100%)}
.page-hero-inner{max-width:800px;margin:0 auto}
.eyebrow{display:inline-block;padding:4px 12px;background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);border-radius:9999px;font-size:11px;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.15;margin-bottom:12px;letter-spacing:-.02em}
.page-hero .lead{font-size:16px;color:#94a3b8;max-width:600px;margin:0 auto}
.section{padding:80px 40px}
.section.white{background:#1e293b}
.section-inner{max-width:1200px;margin:0 auto}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:24px;font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:14px;color:#94a3b8;margin-top:4px}
.app-grid{display:grid;gap:16px}
.app-grid.four{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.app-card{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:24px;transition:all .2s;position:relative;overflow:hidden}
.app-card:hover{border-color:#475569;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.app-card.featured{border-color:rgba(59,130,246,.3);background:linear-gradient(135deg,rgba(59,130,246,.08),rgba(99,102,241,.05))}
.app-meta{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.tag{display:inline-flex;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.02em}
.tag.live{background:rgba(16,185,129,.12);color:#10b981}
.tag.beta{background:rgba(59,130,246,.12);color:#3b82f6}
.tag.locked{background:rgba(245,158,11,.12);color:#f59e0b}
.tag.vip{background:rgba(139,92,246,.12);color:#8b5cf6}
.app-card h3{font-size:16px;font-weight:700;margin-bottom:8px;color:#f8fafc}
.app-card p{font-size:13px;color:#94a3b8;line-height:1.6;margin-bottom:16px}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.app-card.ai-blue{border-left:3px solid #3b82f6}
.app-card.ai-green{border-left:3px solid #10b981}
.app-card.ai-amber{border-left:3px solid #f59e0b}
.app-card.ai-red{border-left:3px solid #ef4444}
.app-card.ai-purple{border-left:3px solid #8b5cf6}
.app-card.ai-slate{border-left:3px solid #64748b}
.app-card.soon{opacity:.7}
.command-console{background:#0f172a;border:1px solid #1e293b;border-radius:12px;padding:32px;margin:40px 0}
.command-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.command-tile{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:16px;text-align:center}
.command-tile strong{display:block;font-size:24px;font-weight:800;color:var(--brand);margin-bottom:4px}
.command-tile span{font-size:12px;color:#64748b}
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.metric{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:24px}
.metric h3{font-size:15px;font-weight:700;margin-bottom:8px;color:#f8fafc}
.metric p{font-size:13px;color:#94a3b8;line-height:1.6}
.suite-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.suite-tile{background:#1e293b;border:1px solid #334155;border-radius:10px;padding:20px;transition:all .2s;text-decoration:none;color:inherit}
.suite-tile:hover{border-color:var(--brand);transform:translateY(-2px)}
.suite-tile .name{font-size:14px;font-weight:700;color:#f8fafc;margin-bottom:4px}
.suite-tile .desc{font-size:12px;color:#64748b}
.suite-tile .tag{margin-top:8px}
.footer{border-top:1px solid #1e293b;padding:40px;text-align:center;color:#475569;font-size:13px}
.footer a{color:#64748b}
.footer a:hover{color:#94a3b8}
.modal-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;backdrop-filter:blur(4px)}
.modal-mask.show{display:flex;align-items:center;justify-content:center}
.modal{background:#1e293b;border:1px solid #334155;border-radius:16px;padding:32px;max-width:420px;width:90%;box-shadow:var(--shadow)}
.modal h2{font-size:18px;font-weight:700;margin-bottom:12px;color:#f8fafc}
.modal p{font-size:14px;color:#94a3b8;margin-bottom:20px;line-height:1.6}
.modal .actions{display:flex;gap:10px;justify-content:flex-end}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.app-card{animation:fadeIn .4s ease both}
.app-card:nth-child(2){animation-delay:.05s}
.app-card:nth-child(3){animation-delay:.1s}
.app-card:nth-child(4){animation-delay:.15s}
.app-card:nth-child(5){animation-delay:.2s}
@media(max-width:768px){
  .nav{display:none}
  .section{padding:40px 20px}
  .section-head{flex-direction:column;align-items:flex-start}
  .app-grid.four{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .suite-grid{grid-template-columns:1fr}
}