*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Microsoft YaHei,sans-serif}body{background-color:#f5f7fa;color:#333;line-height:1.6}#app{width:100%;min-height:100vh}.btn{padding:11px 22px;border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:.95rem;transition:all .25s ease;display:inline-flex;align-items:center;gap:10px;box-shadow:0 2px 5px #00000014}.btn-primary{background-color:#667eea;color:#fff}.btn-primary:hover{background-color:#5a6fd8;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.btn-success{background-color:#10b981;color:#fff}.btn-success:hover{background-color:#0da271;transform:translateY(-2px);box-shadow:0 4px 12px #10b9814d}.btn-danger{background-color:#ef4444;color:#fff}.btn-danger:hover{background-color:#dc2626;transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}input,select,textarea{width:100%;padding:12px 15px;border:1px solid #e2e8f0;border-radius:8px;font-size:.95rem;transition:all .25s;background-color:#fff}input:focus,select:focus,textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.container{max-width:1400px;margin:0 auto;background-color:#fff;border-radius:12px;box-shadow:0 8px 30px #0000001a;overflow:hidden}.notification{position:fixed;top:20px;right:20px;padding:15px 20px;border-radius:8px;background-color:#10b981;color:#fff;font-weight:600;box-shadow:0 4px 12px #00000026;z-index:1000;animation:slideIn .3s ease-out}.notification.error{background-color:#ef4444}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}