        /* 小屏幕手机端 */
        @media (min-width: 0px) and (max-width:750px) {
            nav {
                padding: 0 .4rem;
                box-sizing: border-box;
            }
            main {
                /* background-color: #F6F8FB; */
                /* width: 100vw; */
                /* font-size: 0rem; */
                /* margin: 0 auto; */
            }

            .headerbox {
                /* background: url(../partimage/comprehensive/screentopimg.png); */
                /* width: 100%; */
                height: 4.6667rem;
                margin: 0 auto;
                background-size: 100% 100%;
                position: relative;
            }

        
            .topimg {
                width: 100%;
                height: 4.6667rem;
                /* width: 100vw; */
                position: absolute;
            }

            .header {
                /* width: 16rem; */
                z-index: 99;
            }

            .top-content {
                position: absolute;
                top: .6933rem;
                left: .6667rem;
            }

            .top-content h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 500;
                font-size: .48rem;
                color: #FFFFFF;
                /* height: .4667rem;
        line-height: 1.0667rem; */
            }

            .top-content div {
                width: 1.3333rem;
                height: .0533rem;
                background: #F5F2F6;
                margin: .32rem 0;
            }

            .top-content p {
                width: 5.12rem;
                /* width: 5.0667rem; */
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .2133rem;
                color: #FFFFFF;
                /* line-height: 1.8; */
                height: 1.0133rem;
                line-height: .4rem;
            }
            .neirongbigbox{
                width: 100%;
                height: 6.4267rem;
                background: #F6F8FB;
                padding: .4rem;
                box-sizing: border-box;
            }
            .neirongbox{
                display: flex;
                flex-wrap: wrap;
                justify-content: space-between;
            }
            .neirongbox li{
                width: 4.4667rem;
                height: 2.68rem;
                background: #FFFFFF;
                box-shadow: 0rem .0933rem .12rem 0rem rgba(7,64,102,0.08);
                border-radius: .1333rem;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                margin-bottom: .2667rem;
            }
            .neirongbox li img{
                width: 1.04rem;
                height: .9733rem;
                margin-left: -0.1333rem;
            }
            .box_title{
                font-family: PingFang SC;
                font-weight: 500;
                font-size: .4rem;
                color: #333333;
                margin-top: .0267rem;
            }
            .box_one{
                font-family: PingFang SC;
                font-weight: 400;
                font-size: .2933rem;
                color: #999999;
            }
            .section_one{
                width: 100%;
                /* height: 10.9733rem; */
                padding: .6667rem 0;
                box-sizing: border-box;
            }
            .section_one_content{
                padding: 0 .4rem;
                box-sizing: border-box;
            }
            .section_one_content_left{
                width: 100%;
                height: 4.5rem;
                background: #FFFFFF;
                box-shadow: 0rem 0rem .2267rem .0133rem rgba(0,0,0,0.09);
                border-radius: .2667rem;
            }
            .section_one_content_left_top{
                width: 100%;
                height: .96rem;
                background: linear-gradient(86deg,  #29C7FB,#3D93FD);
                border-radius: .2667rem .2667rem 0rem 0rem;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 .32rem;
                box-sizing: border-box;
            }
            .sectiontitle{
                font-family: PingFang SC;
                font-weight: 500;
                font-size: .4rem;
                color: #FFFFFF;
            }
            .comprebox {
                background: url(../partimage/comprehensive/combg.png);
                /* width: 100%; */
                /* height: 10.92rem; */
                margin: 0 auto;
                background-size: 100% 100%;
                padding: .6533rem .4rem;
                box-sizing: border-box;
            }

            .topstar {
                display: flex;
                justify-content: center;
                align-items: center;
                margin-bottom: .4rem;
                height: .3467rem;
            }

            .topstar h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 500;
                font-size: .4267rem;
                color: #333333;
                margin: 0 .1067rem;
            }

            .topstar img {
                width: .1867rem;
                height: .1867rem;
            }

            .comprebox ul {
                display: flex;
                flex-wrap: wrap;
            }

            .comprebox li {
                width: 4.4667rem;
                /* height:4.4rem; */
                /* background: linear-gradient(90deg, #EEF9FF, #F4F9FD);
        border-radius: .1333rem;
        border: .0133rem solid;
        border-image: linear-gradient(0deg, #FFFFFF, #E9F6FD) 1 1; */
                text-align: center;
                padding: .3867rem .44rem .2667rem;
                box-sizing: border-box;

                border: .0133rem solid transparent;
                border-radius: .1333rem;
                background-clip: padding-box, border-box;
                background-origin: padding-box, border-box;
                background-image: linear-gradient(-90deg, #EEF9FF, #F4F9FD), linear-gradient(0deg, #FFFFFF, #E9F6FD);
            }

            .comprebox ul li:nth-child(2n+1) {
                margin-right: .2667rem;
            }

            .comprebox ul li:nth-child(-n+2) {
                margin-bottom: .2667rem;
            }

            .comprebox li img {
                width: 1.3067rem;
                height: 1.4533rem;
            }

            .comprebox li h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 500;
                font-size: .4rem;
                color: #333333;
                margin: .1067rem 0 .16rem;
                /* height: .28rem; */
            }

            .comprebox li p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .2933rem;
                color: #666666;
            }

            .neitop {
                display: flex;
                justify-content: center;
                align-items: center;
            }

            .neitop h1 {
                font-family: PingFang SC;
                font-weight: 500;
                font-size: .4267rem;
                color: #333333;
                margin: 0 .1067rem;
            }

            .neititle h3 {
                font-family: PingFang SC;
                font-weight: 400;
                font-size: .3467rem;
                color: #666666;
                margin: .3333rem auto 0;
                display: flex;
                justify-content: center;
                text-align: center;
            }

            .computer_img {
                width: 7.8rem;
                /* height: 4.92rem; */
                margin: .6rem auto .6rem;
            }

            .phone_img {
                width: 8.3333rem;
                height: 4.9067rem;
                margin: .6533rem auto .6667rem;
            }

            .top_resvie {
                display: flex;
                flex-direction: column-reverse;
            }

            .section_four_top ul li {
                margin-bottom: .4rem;
            }

            .section_four_top ul li:last-child {
                margin-bottom: 0;
            }

            .section_four_top ul li p {
                margin-top: .0933rem;
            }

            .section_four_bottom {
                display: flex;
                flex-direction: column;
            }

            .miancontent {
                background: url(../partimage/comprehensive/screenbg.png);
                /* width: 100%; */
                height: 40.48rem;
                margin: 0 auto;
                background-size: 100% 100%;
                padding: .6667rem .4rem;
                box-sizing: border-box;
            }

            .miancontent ul li:nth-child(2n) {
                margin-top: .6667rem;
            }

            .miancontent ul li:nth-child(2n+1) {
                text-align: center;
            }

            .miancontent ul li:nth-child(4) .secright p {
                height: .8rem;
            }

            .miancontent ul li:nth-child(2) .secright p {
                height: .3467rem;
            }

            .miancontent ul li:nth-child(6) .secright p {
                height: .3467rem;
            }

            .miancontent ul li:nth-child(2),
            .miancontent ul li:nth-child(6) {
                /* display: flex; */
                align-items: center;
            }


            .miancontent li:nth-child(1) {
                margin-top: 0;
            }

            .miancontent li .startop {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .miancontent .startop img {
                margin-top: .1867rem;
            }

            .miancontent li .startop h1 {
                margin: 0 .1067rem;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .4267rem;
                color: #333333;
                height: .4rem;
            }

            .miancontent li h3 {
                margin: auto;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .3467rem;
                color: #666666;
                margin-top: .4rem;
                /* height: .2133rem; */
            }

            .miancontent li:nth-child(1) h3 {
                width: 6.9333rem;
            }

            .miancontent li:nth-child(3) h3 {
                width: 8.1067rem;
            }

            .miancontent li:nth-child(5) h3 {
                width: 7.9733rem;
            }

            .miancontent li:nth-child(2),
            .miancontent li:nth-child(6) {
                flex-direction: row-reverse;
            }

            .tealeft {
                /* margin-right: .1333rem; */
                /* margin: auto; */
                display: flex;
                justify-content: center;
            }

            .miancontent li:nth-child(2) .tealeft img {
                width: 7.8rem;
                height: 4.92rem;
            }

            .miancontent li:nth-child(4) .tealeft img {
                width: 8.344rem;
                height: 4.9067rem;
            }

            .miancontent li:nth-child(6) .tealeft img {
                width: 7.8rem;
                height: 4.92rem;
            }

            .tearight {
                margin-top: .56rem;
            }

            .miancontent li:nth-child(2) .tearight,
            .miancontent li:nth-child(6) .tearight {
                margin-top: .6533rem;
            }

            .miancontent li:nth-child(4) .tearight {
                margin-top: .5067rem;
            }

            .miancontent li:nth-child(3),
            .miancontent li:nth-child(5) {
                margin-top: .5333rem;
            }

            .more {
                margin-bottom: .5333rem;
            }

            section {
                display: flex;
            }

            section:nth-child(2) {
                /* margin: .4533rem 0; */
            }

            .secright h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .4rem;
                color: #10225A;
                height: .3867rem;
            }

            .secright p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .3467rem;
                color: #666666;
                margin-top: .2rem;
            }

            section .sec_circle {
                width: .2667rem;
                height: .2667rem;
                margin-top: .0933rem;
                margin-right: .12rem;
            }

            .blue {
                background: linear-gradient(-86deg, #3D93FD, #29C7FB);
            }

            .orange {
                background: linear-gradient(90deg, #FFB966, #FD7E31);
            }

            .green {
                background: linear-gradient(-90deg, #21E179, #2EF398);
            }

            .particularbox {
                background-color: #F6F8FB;
                /* height: 11.6933rem; */
                padding: .6667rem .4rem;
                box-sizing: border-box;
            }

            .partstar {
                display: flex;
                justify-content: center;
                align-items: center;
            }

            .partstar h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 500;
                font-size: .4267rem;
                color: #333333;
            }

            .partstar img {
                width: .2667rem;
                height: .2667rem;
                margin: 0 .1067rem;
            }

            .particular ul {
                /* display: flex; */
                margin-top: .4rem;
            }

            .particular li:nth-child(-n+2) {
                margin-bottom: .4rem;
            }

            .partbox {
                width: 9.2rem;
                /* height: 3.0667rem; */
                background: #F6F8FB;
                box-shadow: 0rem .0533rem .12rem 0rem rgba(0, 0, 0, 0.05);
                border-radius: .2667rem;
            }

            .particular li:nth-child(3) .partbox {
                /* height: 2.6133rem; */
            }


            .part-top {
                height: 1.04rem;
                border-radius: .2667rem .2667rem 0 0;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: .12rem .32rem;
                box-sizing: border-box;
            }

            .part-top p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .4rem;
                color: #FFFFFF;
                height: .3867rem;
                line-height: .3867rem;
            }

            .particularbox li:nth-child(1) .part-top img {
                width: .6933rem;
                height: .6933rem;
            }

            .particularbox li:nth-child(2) .part-top img {
                width: .6rem;
                height: .7333rem;
            }

            .particularbox li:nth-child(3) .part-top img {
                width: .8133rem;
                height: .7333rem;
            }

            /* .part-top img {
                width: .6667rem;
                height: .64rem;
            } */

            .part-top .heng {
                width: .4267rem;
                height: .04rem;
                background: #FFFFFF;
                margin-top: .0933rem;
            }

            .part-bot {
                display: flex;
                align-items: flex-start;
                /* padding-left: .32rem;
                padding-right: .32rem; */
                padding: .3067rem .32rem;
                box-sizing: border-box;
                /* margin-top: .3067rem; */
            }

            .part-bot img {
                width: .3867rem;
                height: .3067rem;
                margin-right: .12rem;
                margin-top: .0667rem;
            }

            .part-bot p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: .3467rem;
                color: #333333;
            }
        }