*{  box-sizing: border-box;/*transition: all .4s;*/}
.container{padding-left: 0; padding-right: 0;max-width: 1200px;}
@media (min-width: 768px) {
    .container {
      width: 750px;
    }
  }
  @media (min-width: 992px) {
    .container {
      width: 970px;
    }
  }
  @media (min-width: 1200px) {
    .container {
      width: 1170px;
    }
  }
  @media (min-width: 1440px) {
      .container {
      width: 1200px;
    }
  }
  @media (min-width: 1910px) {
      .container {
      width: 1400px;
    }
}
/* .mobile-nav{position: relative;padding-bottom: 0;} */
.mobile-nav-down .nav-container-title, .mobile-nav .nav-container-title{width: 100%;}
.content-warp{width: 1200px; margin: 0 auto;}
.banner{width: 100%;position: relative;font-size: 0;}
.banner-title{width: 100%; position: absolute; top: 50%; transform: translate(0,-50%); font-size: 5.4rem; color: #fff; line-height: 1.2; font-weight: bold;}
.banner-mob{width: 100%;}
.section-features{width: 100%; background: #f8f8f8; padding: 100px 0 90px;}
.section-title{font-size: 5.4rem; text-align: center; color: #1D1D1D; font-weight: bold;}
.section-features-list{padding-top: 18px;}
.section-features-item{background: #fff; padding: 58px 50px; width: calc(50% - 10px); float: left; margin-top: 20px;}
.section-features-item:nth-child(2n){float: right;}
.section-features-list::after{content: ""; display: block; clear: both;}
.features-item-icon{height: 48px;}
.features-item-title{font-size: 3.2rem; margin:30px 0 20px; font-weight: bold;}
.features-item-desc{font-size:1.8rem; line-height: 2.4rem; height: 7.2rem; color: #3e3e3e;}
.section-features-item:hover{box-shadow: 0 12px 12px -10px rgba(0,0,0,.15);}

.section-guideline{padding: 70px 0 156px;}
.section-guideline-item:first-child{padding-top: 100px;}
.section-guideline-item::after{display: block; content: ""; clear: both;}
.guideline-item-title{font-size: 3.6rem; color: #1D1D1D; padding-top: 120px; font-weight: bold;}
.section-guideline-item:first-child .guideline-item-title{padding-top: 0;}
.section-guideline-left{width: 380px; float: left;}
.section-guideline-right{width: 712px; float: right;}
.section-guideline-desc{font-size: 1.8rem; line-height: 30px; color: #3e3e3e;}
.section-guideline-env{margin-top: 50px;}
.guideline-env-item{display: inline-block; margin-right: 150px; width: 164px; text-align: center;}
.guideline-down-code{width: 164px; height: 164px; margin-bottom: 9px;}
.guideline-down-text{font-size: 1.2rem; color:#707070; display: block;}
.guideline-down-icon{width: 118px;margin-top: 14px;}
.section-guideline-scroll{padding-top: 120px;}
.section-guideline-scroll::after{content: ""; display: block; clear: both;}
.section-guideline-mobile{width: 300px; padding: 24px 20px 32px; overflow: hidden; position: relative; /*border: 8px solid #3e3e3e;*/border-radius: 35px; transition: none;}
.section-guideline-mobile img{max-width: 100%;transform: none;}
.section-guideline-mobile::after{content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url(https://sanyglobal-img.sany.com.cn/static/img/service/mob.png?x-oss-process=image/resize,m_lfit,w_1920/quality,q_90) no-repeat; background-size: 100%;}
.fixed-mobile{position: fixed; left: 0; top: 120px; width: 100%; display: none;}
#fixed-mobile-image{/*animation: fadeIn .6s;*/ position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; padding: 24px 20px 32px;}
/* .dealer-item  */
@media only screen and (min-width:1441px){
    .banner{height:500px;overflow: hidden;}
    .banner .banner-img{width: 1920px; height: 500px; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);}
}
@media only screen and (min-width:1201px){
    .section-guideline-scroll .section-guideline-desc{float: left; width: 350px;}
    .section-guideline-scroll .section-guideline-mobile{float: right; opacity: 0;}
    .fixed-mobile .container{position: relative;}
    .fixed-mobile .section-guideline-mobile{position: absolute; top: 0; right: 0;}
}
@media only screen and (max-width:1440px){
    .content-warp{width: 1000px;}
    .banner .banner-img{width: 100%; height: auto;}
}
@media only screen and (max-width:1200px){
    .guideline-env-item{margin-right: 50px;}
    .section-guideline-right{width: calc(100% - 380px); float: right;}
    .section-guideline-mobile{margin-top: 30px; width: 240px; /*border: 6px solid #3e3e3e;*/ border-radius: 28px;padding: 19px 16px 25px;}
    .section-guideline-scroll .section-guideline-mobile{display: block;}
    .section-guideline-item{width: 90%; margin: 0 auto; max-width: 800px;}
    .section-guideline-item:first-child{padding-top: 0;}
    .guideline-item-title,.section-guideline-item:first-child .guideline-item-title{padding-top:60px;}
    .section-guideline{padding-bottom: 100px;}
    .section-guideline-left,.section-guideline-right{
        float: none;width: 100%;}
    .section-guideline-scroll{padding-top:0;}
    .section-guideline-scroll .section-guideline-mobile{margin: 30px auto;}
    .section-guideline-env{width: 400px; margin: 20px auto 30px;}
    .guideline-env-item:last-child{margin-right: 0;}
    .guideline-down-code{width: 120px; height: 120px;}
    .section-guideline-desc{margin-top: 20px;}
}

@media only screen and (min-width:1024px){
}
@media only screen and (max-width:768px){
  .banner-title{text-align: center;}
  .page-tab{display: flex;text-align: center; font-size: 16px;border-bottom: 1px solid #F8F8F8;}
  .page-tab-item{width: 50%; line-height:4.2; font-weight: bold; color: #767676;}
  .page-tab-item span{display: inline-block; position: relative;}
  .page-tab-item.cur{color: #E60012;}
  .page-tab-item.cur span::after{position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: #E60012; content: "";}
  .page-tab.fixed{background: #fff; position: fixed; width: 100%; top: 0; left: 0; display: none;}
  .section-features{padding: 50px 0 40px;}
  .section-features-item,.section-features-item:nth-child(2n){width: 90%; margin:20px auto 0; float: none;}
  .features-item-title{font-size: 4rem;}
  .features-item-icon{height: 38px;}
  .service-request .features-item-icon{height: 32px;}
  .features-item-desc{font-size: 16px; height: auto; line-height: 1.4;}
  .section-guideline-env{ text-align: left; width: 280px; display: flex; justify-content: space-between;}
  .section-guideline{padding-bottom: 80px;}
  .guideline-env-item,.guideline-env-item .guideline-down-code{width: 106px; margin-right:0;}
  .guideline-env-item .guideline-down-code{height: 106px;}
  .guideline-down-icon {width: 98px;margin-top: 6px;}
  .guideline-item-title, .section-guideline-item:first-child .guideline-item-title{padding-top: 30px;}
  .section-guideline-desc{font-size:16px; line-height: 24px;}
}
@media only screen and (max-width:414px){
    .features-item-title{margin: 12px 0 10px;}
    .section-guideline{padding: 50px 0;}
    .section-guideline-mobile{width: 180px;}
    .guideline-item-title{padding-top: 20px;}
    .section-features-list{padding-top: 0;}
    .section-features-item{padding: 40px 20px;}
    .guideline-down-text{display: none;}
    .guideline-down-icon {margin-top: 0; width: 80px;}
    /* .section-guideline-desc{font-size:14px; line-height: 24px;} */
}
@media only screen and (max-width:375px){
  .fixed-tab{font-size: 14px;}
  /* .guideline-env-item{width: 100px; margin:0 10px;} */
  .guideline-down-code{width: 100px; height: 100px; }
}