.product_image{
    width: 434px;
    height: 352px;
    border: 2px solid #131313;
    margin-right: 59px;
    background-repeat: no-repeat;
    background-image: url('../img/lousia3d.png');
    background-position: 25px 58px;
}
.product_desc{
    overflow: hidden;
}
.p_text{
    padding-top: 49px;
}
.p_text h1{
    color: #094878;
    font-weight: normal;
    font-size: 24px;
    line-height: 1;
    padding-bottom:31px;
}
.p_text p{
    color: #131313;
    font-size: 16px;
    line-height: 36px;
    width: 691px;
    text-align: justify;
}
.product_sections{
    padding-top: 123px;
}
.p_switch{
    overflow: hidden;
    border-bottom: 2px solid #1E1F4E;
}
.p_switch li{
    float: left;
    margin-right: 3px;
    color: #fff;
    font-size: 18px;
    background-color: #094779;
    width: 180px;
    line-height: 48px;
    text-indent: 63px;
    cursor: pointer;
    background-repeat: no-repeat;
    background-position: 22px;
}
.p_switch li.on{
    background-color: #B6D1E7;
    color: #333;
}

.p_switch .s1{
    background-image: url('../img/s1.png');
}
.p_switch .s1.on{
    background-image: url('../img/s11.png');
    background-position: -20px;
}

.p_switch .s2{
    background-image: url('../img/s2.png');
}
.p_switch .s2.on{
    background-image: url('../img/s22.png');
}
.p_switch .s3{
    background-image: url('../img/s3.png');
}
.p_switch .s3.on{
    background-image: url('../img/s33.png');
}
.p_switch .s4{
    background-image: url('../img/s4.png');
}
.p_switch .s4.on{
    background-image: url('../img/s44.png');
}

.section_content>li{
    display: none;
}
.section_content>li.on{
    display: block;
}


.section_content h1.title{
    /* color: #333333; */
    font-size: 36px;
    font-weight: 400;
    line-height: 1;
    text-align: center;
    color: #094878;
}
.section1_2{
    position: relative;
    padding-bottom: 181px;
}
.section1_2 .t1{
    font-size: 24px;
    color: #333;
    line-height: 30px;
    padding-bottom: 42px;
}
.section1_2 .t2,.section1_2 .t3{
    font-size: 20px;
    font-weight: 400;
    color: #333333;
    line-height: 30px;
    position: absolute;
}
.section1_2 .t2{
    left: 480px;
    top: 169px;
}
.section1_2 .t3{
    right: 51px; 
    top:445px;
}
.section_content .para{
    font-size: 18px;
    color: #333;
    line-height: 36px;
    text-align: justify;
}
.section2{
    padding-bottom: 83px;
}
.section2 .t2{
    color: #333;
    font-size: 0;
    margin-top: 28px;
}
.section2 .t2 div{
    display: inline-block;
    text-align: center;
    width: 300px;
    font-size: 18px;
    line-height: 49px;
}
.section2 .t1{
    position: absolute;
    font-size: 18px;
    color: #333;
    top: 450px;
    left: 64px;
}
.section3 .video1{
    overflow: hidden;
}
.video1 .first{
    /* height: 410px;
    width: 450px; */
    margin-left: 25px;
    margin-bottom: 53px;
}
.video1 .tio2{
    width: 500px;
    text-align: center;
    line-height: 40px;
    background-color: #F2F2F2;
    margin-top: 8px;
}
.section3 .t2{
    font-size: 18px;
    color: #333333;
    line-height: 36px;
}
.section3 .t2 li::before{
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #333333;
    border-radius: 50%;
    margin-right: 13px;
}
.section3{
    padding-bottom: 127px;
}
span.ls::before{
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #333333;
    border-radius: 50%;
    margin-right: 13px;
}