/* 当屏幕宽度大于1920px时 */
@media screen and (min-width: 1800px) {
    .tops {
        width: 1600px; 
        height: 110px;
    }
    .wrap {
        max-width: 1600px;
    }
    .logo {
        width: 240px;
    }
    .menu .navone>li {
        font-size: 20px;
        line-height: 110px;
    }
    .menu .navone li .navtwo a {
        line-height: 38px;
    }
    .menu-right p {
        font-size: 18px;
        color: #FFFFFF;
    }
    .menu-right .telone {
        width: 44px;
        height: 44px;
    }
    /* 业务范围 */
    .business {
        margin: 120px auto;
    }
    .business-title {
        margin-bottom: 100px;
    }
    .business-title p {
        font-size: 32px;
    }
    .business-title span {
        font-size: 20px;
    }
    .tabs {
        margin-bottom: 89px;
    }
    .tab .tab-img {
        width: 81px;
        height: 82px;
    }
    .tab p {
        font-size: 18px;
        line-height: 35px;
    }
    .swiper-container2 .swiper-slide a {
        width: 831px;
        height: 478px;
    }
    .swiper-container2 .swiper-slide a img {
        width: 831px;
        height: 478px;
    }
    /* 专题研究 */
    .project {
        margin-bottom: 127px;
        padding: 98px 8% 136px;
    }
    .project .swiper-wrapper {
        height: 450px;
    }
    .project .swiper-container-horizontal>.swiper-pagination-progressbar {
        top: 440px;
    }
    .project .swiper-pagination {
        bottom: 87px;
    }
    .project .swiper-slide {
        width: 600px;
        height: 364px;
    }
    .project .swiper-button-prev {
        top: calc(50% - 40px);
    }
    .project .swiper-button-next {
        top: calc(50% - 40px);
    }
    .project .swiper-slide .zhuanti-box a h3 {
        top: 47px;
        left: 44px;
        font-size: 24px;
    }
    .project .swiper-slide .zhuanti-box a p {
        top: 87px;
        left: 44px;
        font-size: 16px;
        line-height: 26px;
    }
}