/* 大屏幕（大桌面显示器，大于等于 1200px） */
        @media (min-width: 751px) {
            main {
                /* background-color: #F6F8FB; */
                /* width: 100vw; */
                /* font-size: 0px; */
                /* margin: 0 auto; */
            }

            .w {
                width: 1200px;
                margin: 0 auto;
            }

            .headerbox {
                /* background: url(../partimage/comprehensive/topimg.png); */
                width: 100%;
                min-width: 1200px;
                height: 474px;
                margin: 0 auto;
                background-size: 100% 100%;
                position: relative;
            }

            .topimg {
                width: 100%;
                height: 474px;
                /* width: 100vw; */
                position: absolute;
                object-fit: cover;
            }


            .header {
                min-width: 1200px;
                /* width: 1200px; */
                z-index: 99;
            }

            .top-content {
                position: absolute;
                top: 119px;
                /* left: 360px; */
            }

            .top-content h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 500;
                font-size: 36px;
                color: #FFFFFF;
                /* height: 35px;
                line-height: 80px; */
            }

            .top-content div {
                width: 100px;
                height: 4px;
                background: #F5F2F6;
                margin: 34px 0;
            }

            .top-content p {
                width: 534px;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #FFFFFF;
                /* line-height: 1.8; */
                height: 76px;
                line-height: 30px;
            }

            .comprebox {
                background: url(../partimage/blowermachine/blowerbg.png);
                /* width: 100%; */
                min-width: 1200px;
                height: 486px;
                margin: 0 auto;
                background-size: 100% 100%;
                padding: 70px 0;
                box-sizing: border-box;
            }

            .topstar {
                display: flex;
                justify-content: center;
                align-items: center;
                margin-bottom: 50px;
                height: 26px;
            }

            .topstar h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 28px;
                color: #333333;
                margin: 0 8px;
            }

            .topstar img {
                width: 14px;
                height: 14px;
            }

            .comprebox ul {
                display: flex;
            }

            .comprebox li {
                display: flex;
                justify-content: center;
                flex-direction: column;
                align-items: center;
                width: 285px;
                height: 254px;
                /* background: linear-gradient(90deg, #EEF9FF, #F4F9FD);
                border-radius: 10px;
                border: 1px solid;
                border-image: linear-gradient(0deg, #FFFFFF, #E9F6FD) 1 1; */
                text-align: center;
                padding: 29px 17px 35px;
                box-sizing: border-box;

                border: 1px solid transparent;
                border-radius: 10px;
                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(-n+3) {
                margin-right: 30px;
            }

            .comprebox li img {
                width: 98px;
                height: 109px;
            }

            .comprebox li h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 22px;
                color: #333333;
                margin: 20px 0 16px;
                height: 21px;
            }

            .comprebox li p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #666666;
            }

            .section_four {
                width: 100%;
                min-width: 1200px;
                /* height: 1881px; */
                background: url(../partimage/comprehensive/bg.png);
                background-size: 100% 100%;
                padding: 70px 0;
                box-sizing: border-box;
            }

            .section_four_top {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-top: 55px;
            }

            .section_four_top ul {
                text-align: left;
                /* margin-top: 33px; */
            }

            .section_four_top ul li {
                margin-bottom: 37px;
            }

            .section_four_top ul li img {
                width: 20px;
                height: 20px;
                margin-right: 10px;
            }

            .section_four_top ul li h2 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 22px;
                color: #10225A;
                display: flex;
                align-items: center
            }

            .section_four_top ul li p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #333333;
                margin-left: 30px;
                margin-top: 6px;
            }

            .computer_img {
                width: 641px;
                /* height: 416px; */
            }

            .section_four_bottom {
                display: flex;
                justify-content: space-between;
                margin-top: 50px;
            }

            .phone_img {
                width: 704px;
                height: 415px;
            }

            .neititle {}

            .neitop {
                display: flex;
                justify-content: center;
                align-items: center;
                height: 26px;
            }

            .neitop h1 {
                margin: 0 8px;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 28px;
                color: #333333;
            }

            .neititle h3 {
                display: flex;
                justify-content: center;
                align-items: center;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #666666;
                margin-top: 20px;
                /* line-height: 16px; */
            }

            .sectioncenter {
                margin-top: 33px;
            }

            .titletop {
                margin-top: 70px;
            }

            .only {
                width: 390px;
            }

            .miancontent {
                background: url(../partimage/comprehensive/bg.png);
                /* width: 100%; */
                min-width: 1200px;
                height: 1881px;
                margin: 0 auto;
                background-size: 100% 100%;
                padding: 70px 0;
                box-sizing: border-box;
            }

            .miancontent ul li:nth-child(2n) {
                display: flex;
                justify-content: space-between;
                /* align-items: center; */
                margin-top: 50px;
            }

            .miancontent ul li:nth-child(2n+1) {
                text-align: center;
            }

            .miancontent ul li:nth-child(2),
            .miancontent ul li:nth-child(6) {
                display: flex;
                align-items: center;
            }

            .miancontent ul li:nth-child(3),
            .miancontent ul li:nth-child(5) {
                margin-top: 32px;
            }

            .miancontent li:nth-child(1) {
                margin-top: 0;
            }

            .miancontent li .startop {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .miancontent .startop img {
                margin-top: 12px;
            }

            .miancontent li .startop h1 {
                margin: 0 8px;
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 28px;
                color: #333333;
                height: 26px;
            }

            .miancontent li h3 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #666666;
                margin-top: 20px;
                height: 16px;
            }

            .miancontent li:nth-child(2),
            .miancontent li:nth-child(6) {
                flex-direction: row-reverse;
            }

            .miancontent li:nth-child(2) {
                height: 466px;
            }

            .miancontent li:nth-child(2) .tealeft img {
                width: 641px;
                height: 416px;
            }

            .miancontent li:nth-child(4) .tealeft img {
                width: 704.4px;
                height: 416px;
            }

            .miancontent li:nth-child(6) .tealeft img {
                width: 641px;
                height: 415px;
            }

            .tealeft {
                /* margin-right: 10px; */
            }

            .tearight {
                width: 382px;
            }

            .more {
                margin-bottom: 36px;
            }

            section {
                display: flex;
            }

            section:nth-child(2) {
                margin: 36px 0;
            }

            /* .miancontent li:nth-child(4) .secright {
                width: 340px;
            } */

            .secright h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 22px;
                color: #10225A;
                height: 21px;
            }

            .secright p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #333333;
                margin-top: 13px;
                /* height: 37px; */
            }

            section .sec_circle {
                width: 20px;
                height: 20px;
                margin-top: 5px;
                margin-right: 9px;
            }

            .blue {
                background: linear-gradient(-86deg, #3D93FD, #29C7FB);
            }

            .orange {
                background: linear-gradient(90deg, #FFB966, #FD7E31);
            }

            .green {
                background: linear-gradient(-90deg, #21E179, #2EF398);
            }

            .particularbox {
                min-width: 1200px;
                background-color: #F6F8FB;
                height: 353px;
                padding: 70px 0 65px;
                box-sizing: border-box;
            }

            .particular .partstar {
                display: flex;
                justify-content: center;
                align-items: center;
                line-height: 26px;
            }

            .particular .partstar h1 {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 28px;
                color: #333333;
            }

            .particular .partstar img {
                margin: 0 8px;
            }

            .particular ul {
                display: flex;
                margin-top: 40px;
            }

            .particular li:nth-child(-n+3) {
                margin-right: 20px;
            }
            .particular li:nth-child(3) .partbox {
                height: 158px;
            }
            .partbox {
                width: 380px;
                /* height: 152px; */
                background: #FFFFFF;
                box-shadow: 0px 4px 9px 0px rgba(0, 0, 0, 0.05);
                border-radius: 10px;
            }

            .part-top {
                height: 50px;
                border-radius: 10px 10px 0px 0px;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 9px 19px 8px;
                box-sizing: border-box;
            }

            .part-top p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 24px;
                color: #FFFFFF;
                height: 23px;
                line-height: 23px;
            }

            .part-top .heng {
                width: 25px;
                height: 3px;
                background: #FFFFFF;
                margin-top: 5px;
            }

            /* .part-bot {
                display: flex;
                align-items: flex-start;
                padding-left: 10px;
                padding-right: 25px;
                box-sizing: border-box;
                margin-top: 23px;
            } */
            .part-bot {
                display: flex;
                align-items: flex-start;
                /* padding-left: .32rem;
                padding-right: .3333rem; */
                /* padding: 20px 24px 19px 19px; */
                padding: 18px 18px 16px 18px;
                box-sizing: border-box;
                /* margin-top: .3067rem; */
            }

            .part-bot img {
                width: 17px;
                height: 13px;
                margin-right: 7px;
                margin-top: 5px;
            }

            .part-bot p {
                font-family: Alibaba PuHuiTi;
                font-weight: 400;
                font-size: 16px;
                color: #333333;
            }
        }