.title {
    font-size: 36px;
}
.con {
    padding-top: 100px;
}

.one {
    margin-top: 35px;
}

.list {
    width: 100%;
    height: 300px;
    margin-bottom: 30px;
}

.list-l {
    height: 300px;
    width: 400px;
    float: left;
}

.list-r {
    height: 300px;
    width: calc(100% - 402px);
    border: 1px solid #d9d9d9;
    float: left;
    box-sizing: border-box;
    padding: 40px;
}


.list-c {
    height: 300px;
    width: calc(100% - 2px);
    border: 1px solid #d9d9d9;
    float: left;
    box-sizing: border-box;
    padding: 40px;
}

.intro1 {
    font-size: 16px;
    color: #777;
    height: 90px;
    margin-bottom: 30px;
}

.intro1 p {
    margin-bottom: 20px;
}