html,body{
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}
.mainbox {
    flex: 1;
    width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
}

.mainbox .bread {
    margin-left: 20px;
    color: #666666;
    font-size: 16px;
}

.mainbox .md {
    width: 100%;
    margin-top: 30px;
}

.mainbox .md h2 {
    margin-left: 20px;
    font-size: 28px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #363636;
}

.mainbox .md .list {
    margin-top: 25px;
    margin-bottom: 25px;
}

.mainbox .md .list li {
    position: relative;
    box-sizing: border-box;
    padding-left: 50px;
}

.mainbox .md .list li::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #2D66A5;
}

.mainbox .md .list li .title {
    position: relative;
    width: 100%;
    line-height: 35px;
    border-bottom: 1px solid #DCDCDC;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #363636;
}

.mainbox .md .list li .title p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 1.2;
    margin: 13px 0;
}

.mainbox .md .list li .title .drop {
    position: absolute;
    top: 10px;
    right: 45px;
    color: #1976D2;
    font-size: 16px;
    line-height: 1.2;
}

.mainbox .md .list li .title .drop .trangle {
    position: absolute;
    top: 5px;
    right: -25px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-top-color: #1976D2;
}

.mainbox .md .list li .collapse {
    height: 35px;
    overflow: hidden;
}

.mainbox .md .list li .collapse .drop {
    position: absolute;
    top: 10px;
    right: 45px;
    color: #1976D2;
    font-size: 16px;
    line-height: 1.2;
}

.mainbox .md .list li .collapse .drop .trangle {
    position: absolute;
    top: 0px;
    right: -30px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-left-color: #1976D2;
}

.mainbox .md .page {
    display: flex;
    margin-top: 40px;
}

.mainbox .md .page li {
    float: left;
    height: 30px;
    width: 30px;
    border: 1px solid #999999;
    color: #999999;
    text-align: center;
    line-height: 30px;
    margin-right: 24px;
    border-radius: 4px;
    cursor: pointer;
}

.mainbox .md .page li:first-child {
    border: 1px solid #1976D2;
}

.mainbox .md .page li:last-child {
    border: 1px solid #1976D2;
}

.mainbox .md .page .current {
    background-color: #1976D2;
    color: #ffffff;
    border-color: #1976D2;
}

.mainbox .md .page .pages {
    height: 30px;
    width: 30px;
    text-align: center;
    line-height: 30px;
    color: #999999;
}

.mainbox .md .page .jump {
    height: 30px;
    line-height: 30px;
    color: #999999;
    margin-left: 20px;
}

.mainbox .md .page .block {
    width: 40px;
    height: 30px;
    margin: 0 10px;
    border: 1px solid #999999;
    border-radius: 4px;
    outline: none;
    padding-left: 12px;
    box-sizing: border-box;
}

.mainbox .md .page .text {
    height: 30px;
    line-height: 30px;
    color: #999999;
}

.mainbox .bd {
    display: flex;
    flex-direction: column;
    /*height: 279px;*/
    width: 100%;
    margin-top: 20px;
    /*margin-bottom: 110px;*/
}

.mainbox .bd h2 {
    margin-left: 20px;
    font-size: 28px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #363636;
}
.mainbox .bd .contact{
    width: 100%;
    height: 700px;
    margin-top: 20px;
    /*background: pink;*/
}

/*.mainbox .bd .call {*/
/*display: flex;*/
/*width: 100%;*/
/*height: 208px;*/
/*margin-top: 38px;*/
/*}*/

/*.mainbox .bd .call img {*/
/*width: 326px;*/
/*height: 208px;*/
/*margin-right: 69px;*/
/*}*/

/*.mainbox .bd .call .contact li {*/
/*margin-bottom: 14px;*/
/*color: #666666;*/
/*font-size: 16px;*/
/*}*/

/*.mainbox .bd .call .contact li strong {*/
/*color: #333333;*/
/*}*/