import codecs
file_path = r'd:\\骅锋\\mall\\layouts\\admin\\components\\AdminHeader.uvue'
with codecs.open(file_path, 'r', 'utf-8') as f:
    text = f.read()

overlay_css = r'''
.user-dropdown-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background-color: transparent;
}
'''
if '.user-dropdown-overlay' not in text:
    text = text.replace('</style>', overlay_css + '\n</style>')

text = text.replace('z-index: 99;', 'z-index: 1001;')
text = text.replace('z-index: 90;', 'z-index: 1001;')
text = text.replace('z-index: 150;', 'z-index: 1001;')
text = text.replace('.user-dropdown {', '.user-dropdown {\n  z-index: 1002;')

with codecs.open(file_path, 'w', 'utf-8') as f:
    f.write(text)