I working on a Laravel project and I need to check responsive in mobile iPhone 6, 6s, 8 and Samsung A7 2017 I clear the browser cache of chrome and when I reload the page nothing is changed I remove every code in style.css in iPhones nothing changed again, I can't figure out where is the problem
(我正在研究Laravel项目，我需要在移动iPhone 6、6s，8和Samsung A7 2017中检查响应性，清除浏览器的chrome缓存，并在重新加载页面时没有任何更改，因此删除了iPhone中style.css中的所有代码一切都没有改变，我不知道问题出在哪里)
the browsers are lastest version and have the same problem in safari
(浏览器是最新版本，并且在Safari中存在相同的问题)
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