path = r'c:\NeoZQYY\apps\miniprogram\miniprogram\pages\board-finance\board-finance.wxss'
with open(path, 'r', encoding='utf-8') as f:
    content = f.read()

duplicate = '\n\n/* 左列标题行：标题靠左，环比靠右 */\n.gift-col--name .gift-label-line {\n  display: flex;\n  width: 100%;\n  justify-content: space-between;\n  align-items: center;\n  gap: 8rpx;\n}'

# 只保留第一次出现，去掉第二次
first = content.find(duplicate)
if first != -1:
    second = content.find(duplicate, first + 1)
    if second != -1:
        content = content[:second] + content[second + len(duplicate):]
        with open(path, 'w', encoding='utf-8') as f:
            f.write(content)
        print('Removed duplicate OK')
    else:
        print('No duplicate found')
else:
    print('Pattern not found')