为什么移动浏览器在放大输入字段时会忽略我的媒体查询？

i am converting a website we did, to mobile as well. So far, everything is great, after reading a bit about pixel density and all the meta tags, i have put together a great looking website that is really well designed around the mobile screen but i am having just one problem so far.i am converting a website we did, to mobile as