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console 命令行工具 X clear

                    
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console
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
    <div id="header">
    <ul id="header" >
        <li><a href="#">会员中心</a></li>
        <li><a href="#">会员中心</a></li>
        <li><a href="#">会员中心</a></li>
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        <li><a href="#">会员中心</a></li>
        <li><a href="#">会员中心</a></li>
        <li><a href="#">会员中心</a></li>
    </ul>
    </div>

    <div class="nav">
          <div class="w">
        <div class="logo"><img src="http://zhoushugang.gitee.io/erabbit-client-pc-document/hero.png"></div>
        <div class="subnav">
            <ul>
            <li><a href="#">首页</a></li>
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            <li><a href="#">首页</a></li>
            </ul>
        </div> 
        <div class="search">
            <input type="text">
        </div>
          </div>
    </div>

   <!---
    <div class="subnavshow">
        <div class="w">
            <ul>
                <li><a href="#">首页</a></li>
                <div class="layer">
                    <ul>
                        <li><a href="#">
                            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView">
                            <p>茶咖酒具</p>
                        </a></li>
                        <li><a href="#">
                            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView">
                            <p>茶咖酒具</p>
                        </a></li>
                        <li><a href="#">
                            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView">
                            <p>茶咖酒具</p>
                        </a></li>
                        <li><a href="#">
                            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView">
                            <p>茶咖酒具</p>
                        </a></li>
                    </ul>
                </div>
            </ul>
        </div>
    </div>
-->

    <div class="contentbox">
        <div class="w">
        <div class="contentnav">
            <ul>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            <li><a href="#">品牌 品牌推荐</a></li>
            </ul>
        </div>
        </div>
    </div>

    <div class="goodscontainer">
    <h1>新鲜好物</h1>
        <p>新鲜出炉,品质靠谱</p>
    <div class="goods">
        <div class="goodsbox">
            <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
            <h2>Kencoll女士防滑夏季人...</h2>
            <p>¥99.9</p>
        </div>
        <div class="goodsbox">
            <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
            <h2>Kencoll女士防滑夏季人...</h2>
            <p>¥99.9</p>
        </div>
        <div class="goodsbox">
            <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
            <h2>Kencoll女士防滑夏季人...</h2>
            <p>¥99.9</p>
        </div>
        <div class="goodsbox">
            <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
            <h2>Kencoll女士防滑夏季人...</h2>
            <p>¥99.9</p>
        </div>
    </div>
    </div>

    <div class="product">
        <div class="w">
            <div class="head">
                <h1>美食</h1>
                <div class="sub">
                    <a href="#">网易黑猪</a>
                    <a href="#">网易黑猪</a>
                    <a href="#">网易黑猪</a>
                    <a href="#">网易黑猪</a>
                </div>
                <a href="#">查看全部</a>
            </div>
            <div class="cover">
            <a href="#">
                <img src="https://yanxuan-item.nosdn.127.net/01227c93e9098342be591ea57b8953c7.jpg?quality=95&thumbnail=610x610&imageView">
                <strong class="label">
                    <span>美食馆</span>
                    <span>全场3件8折</span>
                </strong>
            </a>
            </div>
            <div class="goodslist">
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            <div class="goodsbox">
                <img src="https://yanxuan-item.nosdn.127.net/79f289a4e975fd030d5c37b98b9282c5.jpg">
                <h2>Kencoll女士防滑夏季人...</h2>
                <p>¥99.9</p>
            </div>
            </div>
        </div>
    </div>

    <div class="contact">

    </div>

    <div class="footer">

    </div>
</body>
</html>
*{
    padding: 0;
    margin: 0;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.w{
    width: 1240px;
    margin:0 auto;
    position: relative;
}
#header{
    display:flex;
    justify-content: flex-end;
   align-items: center;
    width:100%;
    height:50px;
    background-color: rgb(51,51,51);
}
#header ul{
    display: flex;
    align-items: center;
    margin-right: 100px;
}
#header ul li{
    display: list-item;
    text-align: -webkit-match-parent;
    padding: 10px 10px;
    color: grey;
}
#header ul li:hover{
    color:rgb(39,187,154);
}
#header ul li:visited{
    color:grey;
}
#header ul li a{
    color: grey;
}
#header ul li a:hover{
    color:rgb(39,187,154);
}

.nav{
    background-color: #fff;
    height: 150px;
    margin:0 auto;
}
.nav .w{
}
.nav .logo img{
    float:left;
    display: inline-block;
    margin-left: 50px;
    width: 100px;
    height: 100px;
}
.nav .subnav {
    float:left;
    width: 820px;
}
.nav .subnav ul{
    float:left;
    margin-left: 50px;
    line-height: 150px;
}
.nav .subnav ul li{
    float: left;
}
.nav .subnav ul li a{
    padding:0 20px;
}
.subnav ul li a:hover{
    color: rgb(39,187,154);
    border-bottom: 1px, solid, rgb(39,187,154);
}
.nav .subnav ul li a:visited{
    color: black;
}
.search{
    line-height: 150px;
    margin-left: 50px;
}

.contentbox{
    clear:both;
    display: flex;
    height:500px;
    width:1240px;
    margin:0 auto;
    background-image: url(http://yjy-xiaotuxian-dev.oss-cn-beijing.aliyuncs.com/picture/2021-04-15/6d202d8e-bb47-4f92-9523-f32ab65754f4.jpg);
    background-repeat: no-repeat;
    background-position: center;
}
.contentnav{
    height:100%;
    width:295px;
    margin-left: 0%;
    background-color: rgb(0,0,0,0.7);
}
.contentnav ul li{
    text-align: center;
    margin: 0 auto;
    height:50px;
    line-height: 50px;
}
.contentnav ul li a{
    color: #fff;
}
.contentnav ul li:hover{
    background-color: rgb(39,187,154);
}

.goodscontainer{
    width:1240px;
    margin: 0 auto;
}
.goodscontainer h1{
    float: left;
    color: rgb(83, 83, 83);
    font-weight: normal;
    margin-top: 25px;
    margin-bottom: 25px;
    margin-right: 18px;
}
.goodscontainer p{
    color:grey;
    padding-top: 45px;
}
.goods{
    clear: both;
    display: flex;
    flex-wrap: nowrap;
    height:500px;
}
.goods .goodsbox{
    height: 400px;
    width: 300px;
    margin-right: 5px;
}
.goods .goodsbox img{
    width:300px;
    height: 300px;
}
.goods .goodsbox h2{
    text-align: center;
    font-weight: normal;
    color: rgb(85, 85, 85);
}
.goods .goodsbox p{
    text-align: center;
    font-size: larger;
    color:red;
    margin-top: 15px;
    padding: 0;
}
.goods .goodsbox:hover{
    transform: translate(0,-5px);
}

.product{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 1240px;
    margin: 0 auto;
}
.head{
    display: flex;
    align-items: flex-end;
}
.head h1{
    flex:1;
    height: 36px;
    line-height: 36px;
    color: rgb(83, 83, 83);
    font-weight: normal;
    margin-bottom: 25px;
}
.head .sub{
    margin-right: 80px;
    margin-bottom: 25px;
}
.head .sub a{
    color:black;
    padding: 2px 12px;
}
.head .sub a:hover{
    color:#fff;
    background-color: rgb(39,187,154);
}
.head a{
    color:grey;
    margin-bottom: 25px;
}
.head a:hover{
    color:rgb(39,187,154);
}
.cover {
    width: 240px;
    height: 610px;
    margin-right: 10px;
    position: relative;
}
.cover img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.label{
    width: 188px;
    height: 66px;
    display: flex;
    font-size: 18px;
    color: #fff;
    line-height: 66px;
    font-weight: 400;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate3d(0,-50%,0);
}
.label span{
    text-align: center;
}
.label span:first-child {
    width: 76px;
    background: rgba(0,0,0,.9);
}
.label span:last-child {
    flex: 1;
    background: rgba(0,0,0,.7);
}
.goodslist{
    display: flex;
    flex-wrap: wrap;
    width: 990px;
}
.goodslist .goodsbox{
    width: 240px;
    height: 300px;
    margin-right: 10px;
    margin-bottom: 10px;
}

.contact{
    display: flex;
    width:100%;
    height: 250px;
    background-color: black;
}

.footer{
    display: flex;
    width:100%;
    height: 370px;
    background-color: rgb(56, 56, 56);
}