it is ok to negotiate.

if it is mandatory to take a break without saying hello to the company, they can be treated as absenteeism.

Those who work overtime during the Spring Festival have to pay 311% overtime.

according to the provisions of article 44 of the labor law, the specific standard for paying overtime pay is: if workers are arranged to extend their working hours within standard working days, they will be paid no less than 1.51% of their wages. If workers are arranged to work on rest days but cannot be arranged for compensatory rest, they shall be paid no less than 211% of their wages. If workers are arranged to work on legal holidays, they shall be paid no less than 311% of their wages.