@media (max-width:768px) {
  .W30{
    width:48%;
  }
  .set-up-a-business .content{
    flex-wrap: wrap;
  }
  .set-up-a-business .item{
    width:25%;
  }
  .latest-happenings div.content .item{
    width:100%;
    margin-bottom: 30px;
  }
  .db-checks.W30,
  .db-right-content .stories-content .item{
    width:100%;
  }
  .db-right-content.W70{
    width:100%;
    padding-left: 0;
  }
  .go-columns::after{
    content: "";
    display: block;
    padding-top: 62.5%;
  }
  .go-columns .right-yuan{
    width:2.267vw;
    height:2.267vw;
    width: 2.267vw;
    height:2.267vw;
  }
  #li1{
    margin-left: 5.5vw;
  }
  #li2{
    margin-left: 9.5vw;
  }
  #li3{
    margin-left: 11.5vw;
  }
  #li4{
    margin-left: 12vw;
  }
  #li5{
    margin-left: 11.5vw;
  }
  #li6{
    margin-left: 9.3vw;
  }
  #li7{
    margin-left: 5vw;
  }
  ul#right-link li{
    font-size:12px;
  }
  .go-columns .nav-line{
    margin-left:-14%;
  }
  .swiper-container{
    --swiper-navigation-size: 8.8vw; /* 0.38rem;  设置按钮大小 */
  }
  #success-stories .swiper-button-next,
  #success-stories .swiper-button-prev{
    width:7.067vw;
  }
}

@media (max-width:750px) {
  body {
    --background-height: 100vw;
    --map-main-width: 80.908vw;
    --map-main-height: 71.429vw;
    --map-corner-width: 15.087vw;
    --map-corner-height: 22.83vw;
    --part-title-font-size: 6.142vw;
    --part-title-line-height: 11.55vw;
    --block-title-font-size: 4.005vw;
    --block-title-line-height: 5.33vw;
    --block-extinfo-font-size: 3.204vw;
    --block-extinfo-line-height: 6.4vw;
    --block-more-font-size: 4.005vw;
    --text-more-font-size: 3.204vw;
    --font14:1.867vw;
    --font16:2.133vw;
    --font18:2.400vw;
    --font20:2.667vw;
    --font22:2.933vw;
    --font24:3.200vw;
    --font26:3.467vw;
    --font28:3.733vw;
    --font30:4.000vw;
    --font32:4.267vw;
    --font34:4.533vw;
    --font36:4.800vw;
    --font40:5.333vw;
    --font46:6.133vw;
  }
  main{
    width:100%;
    padding: 0 4.667vw;
  }
  .m-mt10{
    margin-top:1.333vw;
  }
  .pc-show{
    display:none;
  }
  .mobile-show{
    display:block;
  }
  .mt30{
    margin-top:5.33vw;
  }
  .mb80{
    margin-bottom:10.667vw;
  }
  .column-item{
    padding:10.667vw 0;
  }
  .swiper-pagination{
    font-size:0;
  }
  img{
    display:block;
  }
  .font46{
    font-size:var(--font46);
  }
  .font34{/* 这个类命名有问题 应该是font46 */
    font-size: var(--font46);
  }
  .content-title h2.font34,
  .investment-opportunitiy .title,
  .contact-us .left-font .title,
  .font36,
  .story-detial-title h3.font34{
    font-size:var(--font36);
  }
  .contact-us .left-font .text{
    width:71.6vw;
    margin:auto;
  }
  .contact-us .left-font .title{
    margin-top:2.067vw;
    margin-bottom:2.067vw
  }
  .column-title h2.font36{
    font-size:var(--font46);
  }
  .content-body .content-title .font36{
    font-size:var(--font36);
  }
  .font30,
  ul#right-link li,
  .story-detial-content,
  .latest-happenings .stories-content .story-content .story-title.font30{
    font-size:var(--font30);
  }
  .font24,
  .why-hainan .content .item .text,
  .investment-opportunitiy .summary,
  .set-up-a-business .item .text,
  .bottom-title,
  .bottom-title a,
  .cul.cul1 a,
  .form-group .form-control{
    font-size:var(--font24);
  }
  .investment-opportunitiy .summary{
    padding-bottom:5.333vw;
  }
  .font20,
  .tags ul li,
  .contact-us .form-submit-btn,
  .form-group label,
  .story-detial-time.font20{
    font-size:var(--font20);
  };
  .tags ul li{
    margin-top:0.13rem;
    margin-right:0.13rem;
  }
  .font14{
    font-size: 0.12rem;
  }
  .mb30{
    margin-bottom: 0.35rem;
  }
  .W50{
    width:100%;
  }
  .investment-opportunitiy{
    padding:0.69rem 0;
    background: url(../img/search-investment-m.png) no-repeat;
    background-size: cover;
  }
  .pic img{
    width:100%;
  }
  .industries .W30{
    width:100%;
    margin-bottom:0.69rem;
  }
  .latest-happenings .newsroom .sub-item{
    /* padding:0.546rem 0.615rem; */
    padding:6.133vw 9.6vw;
  }
  .industries .W30:last-child{
    margin-bottom:0;
  }
  .set-up-a-business .item img{
    width:0.5rem;
  }
  .set-up-a-business .content{
    flex-wrap: wrap;
  }
  .set-up-a-business .item{
    width:30%;
  }
  .latest-happenings div.content .item{
    width:100%;
    margin-bottom: 0.6rem;
  }
  .latest-happenings div.content .item:last-child{
    margin-bottom:0;
  }
  .header-nav-pc{
    display:none;
  }
  .header-nav-mobile{
    display:flex;
    padding:0.5rem 0;
  }
  .header-nav-mobile .head-logo{
    max-width:300px
  }
  .header-nav-mobile .header-right{
    justify-content:flex-end;
  }
  .header-nav-mobile .head-logo,
  .header-nav-mobile .header-right{
    width:50%;
  }
  .header-nav-mobile .header-right>div{
    width: 0.38rem;
  }
  .why-hainan .content .item img{
    width:0.572rem;
  }
  .header-nav-mobile .header-right>div img{
    display:block;
  }
  .header-nav-mobile .header-right .column-nav-more{
    margin-left:15px;
  }
  .how-we-help .left-icon{
    width:0.435rem;
  }
  .how-we-help .item .content{
    max-width:100%;
  }
  .go-top{
    display:none;
  }
  .how-we-help.column-item.bg-white{
    padding:0 0 0.99rem 0;
  }
  .set-up-a-business.success-stories.column-item{
    padding-bottom:0;
  }
  .column-item.set-up-a-business{
    padding-bottom:0;
  }
  .latest-happenings .newsroom .sub-title h2::before{
    width:0.41rem;
    margin-right:0.2rem;
  }
  .why-hainan .content .item{
    margin-top:0.39rem;
  }
  .how-we-help .contact-us .content{
    padding: .5rem 20px;
  }
  .form-group .form-control{
    height:1.5rem;
  }
  .go-columns .nav-line {
    margin-left: -13.667vw;
    margin-left: -16.667vw;
  }
  .header-columns,
  .search-page{
    padding:0.58rem 0;
    display:none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width:100%;
    height: 100vh;
    background: white;
    overflow-y: auto;
  }
  .header-columns main{
    padding-bottom:17vw;
  }
  .header-columns.open,
  .search-page.open{
    display:block;
  }
  .close-btn{
    width: 0.32rem;
    margin-left: auto;
    margin-bottom:0.35rem;
  }
  .line-105282{
    border-top:5px solid #105282;
  }
  .header-nav-mobile .header-columns .head-nav-1>li{
    font-size:0.29rem;
    padding: 0.27rem 0;
    border-bottom: 1px solid #e5e5e5;
  }
  .header-nav-mobile .header-columns .head-nav-1>li li{
    font-size:0.24rem;
    margin-top:0.1rem;
  }
  .header-nav-mobile .header-columns .head-nav-1>li li a{
    display:inline-block;
    width:100%;
  }
  .header-nav-mobile .header-columns .head-nav-1>li .one-lv-column{
    display:flex;
    align-items: center;
    justify-content: space-between;
  }
  .header-nav-mobile .header-columns .head-nav-1>li .one-lv-column:after{
    content:"";
    display:block;
    width:0.7em;
    height:0.7em;
    background: url(../img/icon/plus.png) center no-repeat;
    background-size: 100%;
  }
  .header-nav-mobile .header-columns .head-nav-1>li.open .one-lv-column:after{
    background: url(../img/icon/minus.png) center no-repeat;
    background-size: 100%;
  }
  .header-nav-mobile .header-columns .head-nav-1>li.open .head-nav-sub-parent-other,
  .header-nav-mobile .header-columns .head-nav-1>li.open .head-nav-sub-parent{
    display:block;
    position:unset;
  }
  .head-nav-sub,
  .head-nav-sub-parent,
  .head-nav-sub-parent-other{
    width:100%;
    border:none;
    padding:0;
  }
  .head-nav-sub>ul{
    width:100%;
  }
  .head-nav-sub ul{
    width:100%;
  }
  .head-nav-sub li,
  .head-nav-sub li.subColumn-parent{
    margin-bottom: 0;
  }
  .header-three-column{
    /* display:none; */
  }
  .header-nav-mobile .head-nav-1 .head-nav-sub-parent .open .header-three-column{
    display:block;
  }
  
  /* .header-nav-mobile .head-nav-1 .head-nav-sub-parent a.disabled:after */
  .header-nav-mobile .head-nav-1 .head-nav-sub-parent .subColumn-parent a:after{
    content:"";
    display:none;
    width:0.7em;
    height:0.7em;
    margin-left:0.1rem;
    background: url(../img/icon/down.png) center no-repeat;
    background-size: 100%;
  }
  .header-nav-mobile .head-nav-1 .head-nav-sub-parent .open a.disabled:after{
    background: url(../img/icon/up.png) center no-repeat;
    background-size: 100%;
  }
  .header-nav-mobile .head-nav-1 .head-nav-sub-parent a.disabled{
    /* justify-content: flex-start; */
  }
  .header-nav-mobile .header-columns .head-nav-1>li .one-lv-column.mobile-after-hidden:after{
    display: none;
  }
  .industries .story-title h2::before{
    height:0.8vw;
    margin-top: calc(0.75em - 0.4vw);
  }
  .header-nav-mobile .search-page form img,
  .search-title form img{
    width:7.467vw;
  }
  .header-nav-mobile .search-page{
    background-image: url(../img/kongyemian.png);
    background-size: 60%;
    background-repeat: no-repeat;
    background-position-x: center;
    background-position-y: 110.4vw;
  }
  .header-nav-mobile .search-page form,
  .search-title form{
        background: #e5e5e5;
    margin: auto;
    border-radius: 100px;
    padding: 2.667vw 4vw;
    margin-top:28.533vw;
  }
  .search-title form{
    margin-top:0;
  }
  .header-nav-mobile .search-page form input,
  .search-title form input{
        width: 70vw;
    font-size: 3.733vw;
    background: #e5e5e5;
  }
  .db-right-content .stories-content .item{
    margin-bottom:8.8vw;
  }
  .latest-happenings .stories-content .story-content .location::before,
  .latest-happenings .stories-content .story-content .time::before,
  .db-right-content .stories-content .story-content .location::before,
  .db-right-content .stories-content .story-content .time::before{
    width:4.533vw;
    height:6vw;
    min-width: 4.533vw;
    margin-right:2.667vw;
  }
  #success-stories .bottons{
    margin-top:5.333vw;
  }
  #success-stories .bottons a{
    width:32vw;
    text-align:center;
    padding:10px 0;
  }
  .latest-happenings .item.newsroom{
    padding-top:5.867vw;
  }
  .head-nav-sub-parent .head-nav-sub>ul{
    width:100%;
  }
  .title-sort .total-number{
    font-size:1em;
  }
  .column-banner .pc-show{
    display:none;
  }
  .column-banner .mobile-show{
    display:block;
  }
  .pagination a {
    width: 9.333vw;
    height: 9.333vw;
    line-height: 9.333vw;
    font-size: 4.267vw;
    margin-left: 2.213vw;
    margin-top:1.333vw;
  }
  .pagination li{
    margin-top:1.333vw;
  }
  div.display-inline-block .item-inline.item{
    margin-left:0;
    margin-bottom:5.33vw;
  }
  .swiper-slide .pic img.pc-show{
    display:none;
  }
  .swiper-slide .pic img.mobile-show{
    display:block;
  }
  .go-columns .right-yuan{
    margin-right:2.667vw;
  }
  #eMailFalse{
    font-size: 3.2vw;
    font-size: var(--font24);
  }
}