:root{
  --nx-bg:#f6f9ff;
  --nx-card:#ffffff;
  --nx-text:#10213a;
  --nx-muted:#61708a;
  --nx-line:#dde6f3;
  --nx-primary:#0f5af2;
  --nx-primary-2:#1f6bff;
  --nx-shadow:0 18px 50px rgba(16,33,58,.12);
}
body.nx-modal-open{overflow:hidden}
.nx-page{
  margin:0; min-height:100vh; font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--nx-text); background:radial-gradient(circle at top left,#dce8ff 0,transparent 36%),linear-gradient(180deg,#f8fbff 0,#edf4ff 100%);
}
.nx-shell{max-width:1100px;margin:0 auto;padding:32px 18px 48px}
.nx-hero-card{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border:1px solid rgba(221,230,243,.9);border-radius:28px;box-shadow:var(--nx-shadow);padding:26px}
.nx-hero-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
.nx-brand{display:flex;align-items:center;gap:14px}
.nx-brand img{width:64px;height:64px;border-radius:18px;box-shadow:0 8px 24px rgba(15,90,242,.14)}
.nx-domain{font-size:12px;color:var(--nx-muted);margin-bottom:4px}
#nxLandingTitle{margin:0;font-size:28px;line-height:1.15}
#nxLandingSub{margin:6px 0 0;color:var(--nx-muted);font-size:15px}
.nx-lang-switch{display:inline-flex;gap:8px;align-items:center;background:#eef4ff;border:1px solid var(--nx-line);padding:6px;border-radius:999px}
.nx-lang-btn{border:0;background:transparent;color:var(--nx-muted);padding:8px 12px;border-radius:999px;font-weight:700;cursor:pointer;font-size:13px}
.nx-lang-btn.active{background:#fff;color:var(--nx-primary);box-shadow:0 3px 10px rgba(16,33,58,.08)}
.nx-hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:20px;margin-top:20px}
.nx-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eef4ff;color:var(--nx-primary);font-weight:700;font-size:13px}
#nxHeroTitle{font-size:38px;line-height:1.1;margin:14px 0 12px;max-width:720px}
#nxHeroText{font-size:16px;color:var(--nx-muted);max-width:720px;margin:0}
.nx-hero-actions,.nx-modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.nx-btn{appearance:none;border:0;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:16px;font-weight:800;font-size:15px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease}
.nx-btn:hover{transform:translateY(-1px)}
.nx-btn-primary{background:linear-gradient(135deg,var(--nx-primary),var(--nx-primary-2));color:#fff;box-shadow:0 10px 24px rgba(15,90,242,.28)}
.nx-btn-secondary{background:#eef4ff;color:var(--nx-primary)}
.nx-btn-ghost{background:#fff;border:1px solid var(--nx-line);color:var(--nx-text)}
.nx-counter-box,.nx-info-card,.nx-status-card,.nx-steps-wrap{border:1px solid var(--nx-line);background:#fff;border-radius:22px}
.nx-counter-box{margin-top:18px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.nx-counter-label{color:var(--nx-muted);font-size:13px}.nx-counter-value{font-size:28px}
.nx-info-card{padding:20px}
.nx-info-card h3{margin:0 0 12px;font-size:18px}
.nx-info-card ul{margin:0;padding-left:18px;color:var(--nx-muted);display:grid;gap:10px}
.nx-text-link{display:inline-block;margin-top:16px;color:var(--nx-primary);font-weight:700;text-decoration:none}
.nx-modal-backdrop{position:fixed;inset:0;background:rgba(9,18,33,.48);display:none;align-items:center;justify-content:center;padding:18px;z-index:99999}
.nx-modal-backdrop.is-open{display:flex}
.nx-modal{width:min(680px,100%);max-height:min(92vh,860px);overflow:auto;background:rgba(255,255,255,.98);border:1px solid rgba(221,230,243,.95);border-radius:28px;box-shadow:0 25px 65px rgba(16,33,58,.24);padding:22px}
.nx-modal-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.nx-modal-brand{display:flex;gap:12px;align-items:center}
.nx-modal-brand img{width:56px;height:56px;border-radius:16px}
.nx-modal-brand h3{margin:0;font-size:24px}.nx-modal-sub{margin-top:4px;color:var(--nx-muted);font-size:14px}
.nx-modal-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.nx-platform-pill,.nx-count-pill{display:inline-flex;align-items:center;gap:8px;background:#eef4ff;color:var(--nx-text);padding:10px 14px;border-radius:999px;font-size:13px;font-weight:700}
.nx-status-card{margin-top:16px;padding:16px 18px}.nx-status-title{font-size:16px;font-weight:800}.nx-status-help{font-size:14px;color:var(--nx-muted);margin-top:6px;line-height:1.5}
.nx-steps-wrap{margin-top:14px;padding:16px 18px}.nx-steps-title{font-weight:800}.nx-steps{margin:10px 0 0;padding-left:20px;color:var(--nx-muted);display:grid;gap:8px}
.nx-float-install{position:fixed;right:18px;bottom:18px;z-index:9990;border:0;border-radius:999px;background:linear-gradient(135deg,var(--nx-primary),var(--nx-primary-2));color:#fff;padding:14px 18px;font-weight:800;box-shadow:0 12px 28px rgba(15,90,242,.28);cursor:pointer}
@media (max-width:820px){.nx-hero-grid{grid-template-columns:1fr}#nxHeroTitle{font-size:28px}.nx-hero-card,.nx-modal{border-radius:22px;padding:18px}.nx-brand img{width:56px;height:56px}}
@media (max-width:520px){.nx-btn{width:100%}.nx-modal-actions,.nx-hero-actions{flex-direction:column}.nx-modal-brand h3{font-size:21px}.nx-float-install{left:18px;right:18px;bottom:14px}}