.devt {
    height: 80px;
    text-align: center;
    padding-top: 40px;
}
.devt span {
    display: block;
    font-size: 30px;
    line-height: 60px;
}
.devt i {
    display: block;
    font-size: 18px;
    line-height: 25px;
    font-style: normal;
}

.devc {
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 50px auto;
    font-size: 16px;
    line-height: 250%;
}
.devcen {
    font-size: 14px;
    line-height: 200%;
    margin: 30px auto;
}

.planbox {
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 100px auto;
}
.planp {
    width: 50%;
    height: auto;
    overflow: hidden;
}
.planp img {
    width: 100%;
    height: auto;
}
.planc {
    width: calc(50% - 60px);
    height: auto;
    overflow: hidden;
}
.pleft .planp,.pright .planc {
    float: left;
}
.pleft .planc,.pright .planp {
    float: right;
}
.plant1 {
    height: auto;
    overflow: hidden;
}
.plant1 span {
    display: inline-block;
    font-size: 30px;
    line-height: 40px;
    padding-bottom: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid #666;
    color: #666;
}
.plant2 {
    font-size: 16px;
    height: 60px;
    line-height: 30px;
    font-weight: bold;
}
.plancont {
    font-size: 16px;
    line-height: 30px;
    color: #666;
}