:root{--bg:#f4f7fb;--surface:#fff;--surface2:#f8fafc;--text:#10213b;--muted:#60748f;--primary:#0f4c81;--primary2:#0e7490;--good:#047857;--warning:#b45309;--danger:#b91c1c;--line:#dde6f0;--shadow:0 10px 26px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,Arial,sans-serif;color:var(--text)}.hidden{display:none!important}.topbar{background:#fff;border-bottom:1px solid var(--line);padding:16px 22px;position:sticky;top:0;z-index:30}.topbar .inner{max-width:1200px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:15px}.logo{display:flex;align-items:center;gap:12px}.logo .icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}.logo h1{font-size:18px;margin:0}.logo p{font-size:12px;color:var(--muted);margin:3px 0 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5px;border-radius:5px}.security{font-size:12px;color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:12px;line-height:1.5}@media(max-width:960px){.layout{grid-template-columns:1fr}.workarea{min-height:400px}.empty-preview{height:300px}}.logo-img{object-fit:cover;display:block}.pwa-note{font-size:11px;color:var(--muted);line-height:1.45}@media(max-width:640px){.topbar{padding:12px}.topbar .inner{align-items:flex-start}.logo{min-width:0}.logo .icon{width:40px;height:40px;border-radius:11px;flex:none}.logo h1{font-size:16px}.logo p{font-size:10px;line-height:1.35}.badge{display:none}.layout{margin:14px auto;padding:0 10px;gap:12px}.card{border-radius:16px;padding:15px;margin-bottom:12px}.steps{font-size:10px;gap:4px;flex-wrap:wrap}.summary{display:block}.downloads{display:grid;grid-template-columns:1fr 1fr;margin-top:14px}.downloads .btn{width:100%;padding:10px 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