尽管我放了超赞字体和Google字体的链接，但网站上的字体没有改变。我不知道如何解决。有谁知道是什么原因导致这个问题？
contact.php
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<title>American Website Design & Development Agency - JOEY NAMIKI DESIGN</title>
<link rel="stylesheet" type="text/css" href="css/reset.css">
<link rel="stylesheet" type="text/css" href="css/contact.css">
<link rel="stylesheet" href="css/font-awesome.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.9.0/slick-theme.min.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link href="https://fonts.googleapis.com/css?family=PT+Sans&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto&display=swap" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<section class="contactSection">
<h1>Please tell me what kind of design you want to get?</h1>
<div class="contactForm">
<div class="tweet">
<h1>We listen all clients</h1>
<p>If you have any concerns regards to web, marketing, branding, design and redesign, feel free to ask me. I will give you the estimation.</p>
</div>
<form method="post" action="send.php" id="content">
<div>*Name<input type="text" name="name" required></div>
<div>Company Name<input type="text" name="company"></div>
<div>*Phone Number<input type="text" name="phone" required></div>
<div>*Email<input type="text" name="email" required></div>
<div>*Message<textarea type="text" name="message" ></textarea></div>
<div><input type="submit" class="send" value="submit"></div>
</form>
</div>
</section>
</body>
</html>
contact.css
@media only screen and (max-width: 2592px) {
html, body {
width: 100%;
height: 100%;
margin: 0;
background: black;
overflow-x: hidden;
color: cornsilk;
font-family: 'Roboto', sans-serif, 'PT Sans'sans-serif, Helvetica sans-serif;
font-size: 16px;
line-height: 160%;
}
button {
text-transform: uppercase;
font-weight: bold;
}
a {
font-size: 18px;
text-decoration: none;
}
h1 {
font-size: 42px;
font-weight: bold;
line-height: 120%;
font-family: 'Roboto', sans-serif, 'PT Sans'sans-serif, Helvetica sans-serif;
}
p {
font-size: 17px;
line-height: 1.4;
}
}
尝试一下
font-family: 'Roboto', 'PT Sans', 'Helvetica', sans-serif;
该行指出，将优先级赋予Roboto，如果未找到该字体，将采用PT Sans。第三优先事项是Helvetica。
出于任何原因，如果这些字体无法加载，我们将sans-serif设置为最后优先级，则将应用所有受支持的Sans-serif（Ariel或任何其他）字体。