body{margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh}.container{max-width:900px;margin:40px auto;padding:20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#222}.title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:20px;color:#2c3e50}.subtitle{margin-top:30px;font-size:1.4rem;font-weight:600;color:#2c3e50;display:flex;align-items:center;justify-content:center;gap:8px;background:#f4f7fb;padding:10px 16px;border-radius:10px;box-shadow:0 3px 8px #00000014;width:fit-content;margin-left:auto;margin-right:auto}.subtitle span{background:#3498db;color:#fff;padding:4px 12px;border-radius:6px;font-weight:700;margin-left:6px}.form{display:flex;gap:10px;justify-content:center;margin-bottom:20px;flex-wrap:wrap}.form input{padding:10px 12px;border:1px solid #ccc;border-radius:8px;outline:none;font-size:1rem;width:200px;transition:border-color .2s}.form input:focus{border-color:#3498db}.form button{background:#3498db;color:#fff;padding:10px 18px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.form button:hover{background:#2980b9}.card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:20px}.card{background:#fff;border-radius:12px;padding:18px;text-align:center;box-shadow:0 4px 12px #00000014;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-6px);box-shadow:0 8px 18px #00000026}.card-title{font-size:1.3rem;font-weight:700;color:#2c3e50;margin-bottom:8px}.card-email{font-size:.95rem;color:#555;margin-bottom:6px}.card-age{font-size:.9rem;color:#444;font-weight:500}