.content {
    background-color: #fff;
}

.ruihua_ul  .experimental {
    background: #1781fb;
}

.experimental_p1 {
    height: 28px;
    line-height: 28px;
    color: #222;
    font-size: 28px;
    width: 1200px;
    margin: 0 auto;
    padding: 76px 0  34px;
}

.experimental_p2 {
    color: #222;
    font-size: 16px;
    line-height: 30px;
    margin: 0 auto;
    width: 1200px;
    padding-bottom: 90px;
}

.experimental_div1_div1 {
    width: 1200px;
    margin: 0 auto;
}
.experimental_div1_div1 div{
    float: left;
    width: 624px;
}

.experimental_img1 {
    float: right;
}

.experimental_div {
    background: #fff;

}

.experimental_p4 {
    line-height: 40px;
    color: #222;
    font-size: 16px;
}

.experimental_p3 {
    color: #076ce0;
    font-size: 24px;
    margin-bottom: 28px;
}

.experimental_div1 {
    background: #f6f7f9;
    padding-top: 50px;
    padding-bottom: 62px;
}
.experimental_div2 {
    width: 1200px;
    margin: 0 auto;
}

.experimental_p3_title {
    text-align: center;
    margin-bottom: 50px;
}

.experimental_ul1 li:first-child {
    margin-right: 54px;
}

.experimental_ul1 li{
    float: left;
    width: 467px;
    height: 165px;
    background-color: #fff;
    padding: 28px 53px;
}

.experimental_ul1 li img {
    float: left;
}

.experimental_ul1 li p {
    float: left;
    padding-top: 28px;
    font-size: 16px;
    color: #222;
    line-height: 30px;
    margin-left: 45px;
}


.experimental_ul2  li {
    float: left;
    width: 400px;
    text-align: center;
    padding: 45px 0 55px;
    height: 214px;
}

.experimental_ul2  li img {
    display: inline-block;
}
.experimental_div3 {
    width: 1200px;
    margin: 0 auto;
    padding-top: 70px;

}

.experimental_p5 {
    font-size: 18px;
    color: #222;
    height: 18px;
    line-height: 18px;
    margin: 48px 0 20px;
}

.experimental_div3 img {
    height: 74px;
}

.experimental_p6 {
    font-size: 16px;
    color: #222;
    line-height: 25px;
}

.experimental_div4 {
    background: #f6f7f9;
    padding-top: 46px;
}

.experimental_div4 ul {
    width: 1200px;
    margin: 0 auto;
    margin-top: 50px;
}
.experimental_div4 ul li {
    float: left;
    width: 535px;
    height: 154px;
    margin-right: 50px;
    padding: 0 20px;
    background: #fff;
    padding-top: 24px;
    margin-bottom: 30px;
}

.experimental_div4 ul li:nth-child(2n) {
    margin-right: 0;
}

.experimental_p8 {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 16px;
    color: #222;
}

.experimental_div4 ul li p:first-child {
    font-size: 20px;
    color: #222;
}

.experimental_div4 ul li p:last-child {
    font-size: 16px;
    color: #222;
    line-height: 30px;
    margin-top: 30px;
}


.experimental_div5 {
    width: 1200px;
    margin: 0 auto;
    padding-top: 60px;
}

.experimental_div5_img1 {
    float: left;
}

.experimental_div5_div1 {
    float: right;
    width: 740px;
}

.experimental_div5_img2 {
    float: right;
}

.experimental_div5_div2 {
    float: left;
    width: 740px;
}

.experimental_div5_p1 {
    color: #222;
    font-size: 18px;
    padding-top: 30px;
}

.experimental_div5_p{
    font-size: 16px;
    color: #222;
    line-height: 30px;
    margin-top: 36px;
}

.experimental_div52 {
    margin-top: 70px;
}

.experimental_div6 {
    background: #f6f7f9;
    padding-top: 50px;
    padding-bottom: 40px;
}

.experimental_div6 ul {
    width: 1200px;
    margin: 0 auto;
}

.experimental_div6 ul  li {
    float: left;
    width: 571px;
    background: #fff;
    text-align: center;
    height: 362px;
    
}

.experimental_div6 ul  li:first-child {
    margin-right: 58px;
}

.experimental_div6 ul  li img {
    display: inline-block;
    margin: 35px 0;
}

.experimental_div6 ul  li p {
    width: 437px;
    margin: 0 auto;
    font-size: 16px;
    color: #222;
    line-height: 35px;
}

.experimental_ul3 {
    width: 1200px;
    margin: 0 auto;
    padding-top: 70px;
}
.experimental_ul3 li{
    float: left;
    width: 363px;
    text-align: center;
    box-shadow: 0 0 5px 5px #f7f7f7;
    margin-right: 55px;
    height: 225px;
    padding-top: 30px;
}

.experimental_ul3 li:last-child {
    margin-right: 0;
}

.experimental_p9 {
    color: #222;
    font-size: 16px;
    line-height: 30px;

}

.experimental_div7 {
    width: 1200px;
    margin: 0 auto;
    background: #076ce0;
    margin-top: 50px;
    color: #fff;
    padding-bottom: 57px;
}

.experimental_div7_p1 {
    text-align: center;
    font-size: 24px;
    padding: 40px 0 30px;
}

.experimental_div7_p2 {
    text-align: center;
    font-size: 16px;
}

.experimental_div7_p {
    padding-left: 60px;
    line-height: 44px;
    margin-top: 50px;
}