How does white-space: nowrap work in mobile safari?

Question

css

Added a few css rules to the line:

.title h1 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

displayed correctly in all browsers:
But mobile safari decided differently:

Moreover, on the mobile version of the same lamoda.ru, this code works as it should.
Note: such cases arise with numbers, it seems

Answer 1

Strangely, numbers in mobile Safari have a smaller font size. Maybe there is some tag that moves the numbers to another line? It is in the mobile version, if it is an adaptive layout

Answer 2

There is an option that mob. Safari like it doesn't understand elementary, try adding max-width: for h1, it might solve your problem.