* {
    box-sizing: border-box;
}

body,
dl, dt, dd, ul, ol, li,
h1, h2, h3, h4, h5, h6,
pre, code, form, fieldset, legend, input, textarea,
p, blockquote, th, td, hr, button,
article, aside, details, figcaption, figure, footer, header, menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
}
/* 默认不要下划线 */
a {
    text-decoration: none;
}
/* 按钮文本不可选 */
button {
    user-select: none;
}

img {
    vertical-align: middle;
}
/* 加载不出来的图片不要显示灰色边框 */
/*img:not([src]),img[src=""] {opacity: 0;}*/
ul, ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

input, select, button, textarea {
    font-size: 100%;
    font: inherit;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Helvetica Neue",STHeiti,"Microsoft Yahei",Tahoma,Simsun,sans-serif;
    background: #f6f6f6;
}



a {
    color: #5383ec
}

body {
    background: #fff;
    font-size: 14px;
}




.clear {
    zoom: 1;
}

.clear:after {
    content: '';
    display: block;
    clear: both;
}
#header {
    width: 1200px;
    height: 90px;
    margin: 0 auto;
    padding-top: 28px;
}



.search {
    display: inline-block;
    font-size: 0px;
    margin-left: 80px;
    vertical-align: top;
}

    .search .input-box {
        position: relative;
        display: inline-block;
        width: 664px;
        height: 46px;
        border: 2px solid #4b8dee;
    }

        .search .input-box input {
            width: 620px;
            height: 40px;
            position: absolute;
            left: 20px;
            top: 1px;
            font-size: 16px;
            outline: none;
        }

    .search .search-button {
        display: inline-block;
        width: 46px;
        height: 46px;
        background: url('../images/search.png') no-repeat center;
        background-size: 46px 46px;
        cursor: pointer;
    }

#header .operation {
    float: right;
}

    #header .operation a {
        float: left;
        line-height: 46px;
        color: #818388;
    }

        #header .operation a:first-child {
            margin-right: 46px;
        }
.search{overflow: hidden;display: block;padding:0 70px;}
.search .input-box{overflow: hidden;display: block;width:auto;}
.search .input-box input{width:100%}
.ls_logined{float:right;line-height: 46px;}
.ls_logined a{color: #818388}
.ls_logined img{vertical-align: middle;margin-right:10px;}
#header .operation a{margin-right:46px;}
.search-button{float:right;}
header img{float:left;}
.wrap{padding: 20px 0;border-top:1px solid #e9eaeb; box-shadow: 0 3px 10px #f5f6f6 inset;}