.yw{
    width: 1300px;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 40px
}

.yw .title{
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 30px;
    line-height: 32px;
    text-align: center;
    display: flex;
    justify-content: center;
}

.yw .title p{
    position: relative;
}

.yw .title p::before {
    content: "";
    height: 30px;
    line-height: 32px;
    width: 10px;
    background: #636363;
    position: absolute;
    left: -20px;
    top: 1px;
}

.ali-item{
    display: flex;
    border: 1px solid #DCDFE6;
    padding: 30px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 20px;
}

.ali-item p{
    font-size: 20px;
    line-height: 30px;
    color: #303133;
}

.ali-item img {
    width: 300px;
}