Sorry for the sizing trouble, we'll definitely have to get better with it. For pinyin input, there's a page that explains the input system linked to at the bot

Sorry for the sizing trouble, we'll definitely have to get better with it. For pinyin input, there's a page that explains the input system linked to at the bottom, though we need to make it a bit more prominent. Basically you type a number 1-5 after each syllable to apply an accent to it.