LOGO采用的是h1标簽，一般為了讓搜尋引擎更好的抓取關鍵字，我們建議一個頁面隻有一個上，而且是最重要的關鍵詞放在裡面。在首頁上，最重要的關鍵詞就是旅行社的名稱。當然，如果在其他頁面，比如新聞網站的單個新聞，最重要的應該是新聞标題，網的名稱就其次了。
@charset "utf-8";
body,h1,ul{
margin:0;
padding: 0;
}
ul{
list-style: outside none none;
}
a{
text-decoration: none;
}
#nav{
width: 100%;
height: 70px;
background-color: #333;
}
#nav>section{
width: 1603px;
height: 70px;
margin:0 auto;
}
#nav>section>h1{
width:500px;
height: 70px;
background-image: url(../Img/Wegelin_&_Co_Logo.png);
text-indent: -9999px;
float:left;
}
#nav>section>ul{
width: 650px;
height: 70px;
line-height: 70px;
color:#eee;
float:right;
}
#nav>section>ul>li{
width:130px;
text-align: center;
float:left;
}
#nav>section>ul>li>a{
color:white;
display:block;
}
#nav>section>ul>li>a:hover{
background-color: #000;
}
<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>PC端固定</title>
<link rel="stylesheet" href="CSS/style.css" target="_blank" rel="external nofollow" >
<!-- <link rel="stylesheet" href="Img/" target="_blank" rel="external nofollow" > -->
</head>
<body>
<nav id="nav">
<section class="nav-center">
<h1 class="nav-logo">旅行社</h1>
<ul class="link">
<li class="active"> <a href="###" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >首頁</a></li>
<li><a href="###" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >旅遊資訊</a></li>
<li><a href="###" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >極品欣賞</a></li>
<li><a href="###" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >機票訂購</a></li>
<li><a href="###" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >公司簡介</a></li>
</ul>
</section>
</nav>
<header>header</header>
<section>section</section>
<footer>footer</footer>
</body>
</html>