*{box-sizing:border-box}:root{--background:#f7f5f0;--text-primary:#231f20;--text-secondary:#797570;--accent-orange:#f7941d;--accent-green:#8dc63f;--accent-blue:#6aa9d8;--panel-soft-blue:#eaf6fb;--panel-soft-peach:#faeee8;--border-color:#d8d4cc;--surface:#fff}body{background:var(--background);color:var(--text-primary);margin:0;font-family:Lucinda Sans,Lucida Sans,Lucida Sans Unicode,sans-serif}.container{max-width:1120px;margin:0 auto;padding:32px 18px}.hero{text-align:center;margin-bottom:28px}.hero-logo{width:170px;max-width:100%;margin:0 auto 18px;display:block}.hero h1{margin-bottom:12px;font-size:42px}.hero p{max-width:680px;color:var(--text-secondary);margin:0 auto;font-size:18px}.card{background:var(--surface);border-radius:18px;padding:28px;box-shadow:0 12px 40px #00000014}.centered{text-align:center}.steps{flex-wrap:wrap;gap:8px;margin-bottom:28px;display:flex}.steps span{background:var(--panel-soft-blue);border-radius:999px;padding:8px 12px;font-size:13px}.steps .active{background:var(--accent-blue);color:var(--surface)}h2{margin-top:0;font-size:28px}h3{margin-top:26px}.muted{color:var(--text-secondary);line-height:1.5}.success{color:var(--accent-green);font-weight:700}.notice{background:var(--panel-soft-peach);border-radius:12px;margin:18px 0;padding:14px;line-height:1.5}.field{margin:18px 0;font-weight:700;display:block}.field input,.field select,.field textarea{border:1px solid var(--border-color);border-radius:10px;width:100%;margin-top:8px;padding:13px;font-size:15px}.field textarea{min-height:120px}.grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;display:grid}.option,.layout{border:1px solid var(--border-color);background:var(--panel-soft-blue);cursor:pointer;text-align:left;border-radius:14px;padding:16px;transition:all .2s}.option:hover,.layout:hover{border-color:var(--accent-blue)}.option.selected,.layout.selected,.concept.selected{border-color:var(--accent-blue);background:var(--panel-soft-peach)}.layoutGrid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;display:grid}.layout{flex-direction:column;gap:8px;display:flex}.layoutIcon{background:var(--accent-blue);width:52px;height:52px;color:var(--surface);border-radius:14px;justify-content:center;align-items:center;font-weight:700;display:flex}.layout small{color:#666;line-height:1.4}.actions{justify-content:space-between;gap:12px;margin-top:28px;display:flex}.button,.secondary{cursor:pointer;text-align:center;border:none;border-radius:10px;padding:14px 20px;font-size:15px;font-weight:700;text-decoration:none;display:inline-block}.button{background:var(--accent-orange);color:var(--surface)}.button:disabled{cursor:not-allowed;background:#c7bba8}.secondary{background:var(--panel-soft-blue);color:var(--text-primary)}.full{width:100%;margin-top:8px}.conceptGrid{grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;display:grid}.concept{border:2px solid var(--border-color);border-radius:16px;padding:14px}.concept img{border-radius:12px;width:100%;margin-bottom:12px;display:block}.concept p{color:var(--text-secondary);line-height:1.4}@media (max-width:640px){.hero h1{font-size:32px}.actions{flex-direction:column}.button,.secondary{width:100%}}