body{
    margin: 0px;
}

.content{
    width: 1200px;
    margin: auto;
    margin-bottom: 40px;
}

.banner{
    background-image:url(banner-300.png);
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 300px;
    display: block;
}

.content_1{
    margin: 20px 0px;
    width: 100%;
}

.con_1 {
    display: flex;
    justify-content: space-between;
}

.one_left{
    width: 500px;
    display: inline-block;
    float: left;
}

.one_right{
    display: inline;
    width: 680px;
    float: right;
}

.one_right tr {
    height: 60px;
    border-bottom: 1px solid#bbb;
    border-top: 1px solid#bbb;
    font-size: 18px;
}

.one_right tr :hover {
    background: #115db2;
    color: #fff;
}

.one_right li {
    margin: 0px 10px;
}

.content_2 {
    margin: 0px 0px 20px;
    width: 100%;
}

.con_2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    flex-direction: row;
}

.content_3 {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.con3_left{
    width: 48%;
    display: flex;
    flex-direction: column;
}

.con3_lt{
    margin: 40px 0px 20px;
}

.con3_right{
    width: 48%;
    display: flex;
    flex-direction: column;
}

.con3_rt{
    margin: 40px 0px 20px;
}

.content_4 {
    margin: 40px 0px 20px;
    width: 100%;
}

.con_4{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 60px;
}

.con_4 span a {
    color: #fff;
    text-shadow: 1px 1px #000;
}

.srvpd_1{
    background: url(001.png);
    width: 290px;
    height: 100px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.srvpd_2{
    background: url(002.png);
    width: 290px;
    height: 100px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.srvpd_3{
    background: url(003.png);
    width: 290px;
    height: 100px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.srvpd_4{
    background: url(004.png);
    width: 290px;
    height: 100px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.zhengcefenlei {
    /* width: 100%; */
    /* display: flex; */
    /* flex-direction: row; */
    /* flex-wrap: wrap; */
    /* justify-content: space-between; */
}

.zhengcefenlei ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.zhengcefenlei li {
    width: 230px;
    height: 80px;
    text-align: center;
    position: relative;
    float: left;
    margin-bottom: 12px;
}

.zhengcefenlei li a {
    color: #FFF;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #115db2;
}

.zhengcefenlei li a::before {
    content: " ";
    display: block;
    position: absolute;
    inset: 0 0 0 0;
    background: rgba(255, 255, 255, 0.452);
    z-index: 1;
    transition: transform .3s ease;
}

.zhengcefenlei li a::before {
    transform: scaleY(0);
    transform-origin: bottom left;
}

.zhengcefenlei li a:hover::before {
	transform: scaleY(1);
	transform-origin: bottom right;
}