body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
    margin: 0;
    padding: 0;
}
body{
    font: 14px/1.231 "Microsoft YaHei";
    
    margin: 0;
    padding: 0;
}
li{
    list-style: none;
}
.header{
    width: 1200px;
    height: 100px;
    margin: auto;
    display: flex;
}
.head{
    display: flex;
    align-items: center;
}
.head-tab ul li{
    width: 100px;
    height: 100px;
    line-height: 100px;
    font-size: 15px;
    text-align: center;
}
.head-tab ul li:hover {
    background: #fd3839;
    transition: All 0.4s ease-in-out;
    -webkit-transition: All 0.4s ease-in-out;
    -moz-transition: All 0.4s ease-in-out;
    -o-transition: All 0.4s ease-in-out;
    color: #FFFFFF;
}

.head-but li {
    font-size: 13px;
    color: #FFFFFF;
    width: 110px;
    text-align: center;
    height: 30px;
    line-height: 30px;
    margin-left: 20px;
    background: #0072d0;
    border-radius: 5px 5px;
    border: 1px solid #003b6c;
}
#seachkeywords {
    float: left;
    height: 31px;
    width: 260px;
    line-height: 31px;
    padding: 0 10px;
    color: #666;
    font-size: 12px;
    background: #FFFFFF;
    border: 1px solid #919191;
    border-radius: 14px 0px 0px 14px;
    margin-left: 5px;
}
#sousuo {
    float: left;
    width: 29px;
    height: 31px;
    background: url(../image/sousuo.jpg) no-repeat 5px 6px;
    border: 1px solid #919191;
    border-radius: 0px 14px 14px 0px;
    border-left: none;
}
.linkx{
    width: 100%;
    margin: 0 auto;
    height: 60px;
    background: #1b1b1b;
}
.bott {
    width: 100%;
    margin: 0 auto;
    background-color: #1b1b1b;
    border-top: 1px solid #8c8c8c;
    border-bottom: 1px solid #8c8c8c;
    
}
.bott_x {
    width: 1200px;
    margin: 0 auto;
    color: white;
}
.bott_a{
    font-size: 15px;
}
.bott_c{
    display: flex;
}
.bott_c ul li {
    float: left;
    height: 30px;
    line-height: 30px;
    width: 150px;
    text-align: center;
    font-size: 15px;
    color: #FFFFFF;
    margin-top: 10px;
}
.bott_d {
    background-color: #1b1b1b;
    border-top: 1px solid #8c8c8c;
    text-align: center;
    padding: 15px 0;
    font-size: 15px;
    color: white;
}