/* 主样式文件 */

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    animation: fadeIn 0.5s ease-out;
}

.card {
    border-radius: 20px;
    overflow: hidden;
}

.card-header {
    border-radius: 20px 20px 0 0 !important;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, **234**, 0.4);
}

.btn-lg {
    padding: 12px 30px;
    font-weight: 600;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.alert-info {
    border-left: 5px solid #667eea;
}

ol li {
    margin-bottom: 8px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    .card {
        margin: 0;
    }
}