.form-section {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #0d6efd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.section-title {
    color: #0d6efd;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    font-size: 1.2rem;
}

.form-control,
.form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0056b3 100%);
    border: none;
    border-radius: 10px;
    padding: 1rem 2rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.main-card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.main-card-header {
    background: linear-gradient(135deg, #0d6efd 0%, #0056b3 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.main-card-body {
    padding: 2rem;
}

.info-alert {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    border: none;
    border-radius: 12px;
    border-left: 4px solid #17a2b8;
}

.required-star {
    color: #dc3545;
    font-weight: bold;
}

.field-description {
    font-size: 0.875rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .main-card-header {
        padding: 1.5rem;
    }

    .main-card-body {
        padding: 1.5rem;
    }

    .form-section {
        padding: 1rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .btn-primary {
        padding: 0.875rem 1.5rem;
    }
}

/* 验证消息样式增强 */
.alert {
    border: none;
    border-radius: 10px;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

/* 查找按钮样式 - 与 form-control 高度一致 */
#search-btn {
    height: 100%;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}