section:nth-child(odd){
  background-color: #f9f9f9;
}
.sec1{
  background-color: #eef0f2;
  position: relative;
}
.sec1 .crumbs{
  position: absolute;
  left: 0;
  top: 1.75em;
  width: 100%;
}
.sec1 .crumbs .inner{
  width: 101.25em;
}
.sec1 .crumbs .inner > *{
  font-size: 0.875em;
  color: #333;
}
.sec1 .crumbs a:last-child{
  color: var(--theme-red);
}
.sec1 .crumbs span{
  margin: 0 0.5em;
}
.sec1 .content .inner{
  width: 85em;
  position: relative;
  padding: 7.7% 0 6.15%;
}
.sec1 .text-box{
  width: 63%;
}
.sec1 .text-box .section-title{
  margin-bottom: 2.5em;
}
.sec1 .text-box h1{
  font-size: 3.25em;
  font-weight: bold;
  margin-bottom: 0.65em;
}
.sec1 .text-box p{
  font-size: 1.125em;
  line-height: 2;
}
.sec1 .text-box .theme-btn1{
  font-size: 1em;
  border-radius: 0.3125em;
  padding: 1em 2.125em;
  margin-top: 2em;
}
.sec1 .text-box .theme-btn1 img{
  width: 1.1875em;
  margin-right: 0.875em;
}
.sec1 .img-box{
  width: 40.736%;
  position: absolute;
  right: -5%;
  bottom: -3.625em;
}


.sec2{
  padding-top: 12.4%;
  padding-bottom: 10.4%;
}
.sec2 .inner{
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  width: 95em;
}
.sec2 .left-part{
  width: 47.17%;
  position: relative;
  border-radius: 0.625em;
  overflow: hidden;
}
.sec2 .left-part .video-cover{
  background-color: rgba(0,0,0,0.5);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.sec2 .right-part{
  padding-left: 4.5%;
  width: 52.83%;
}
.sec2 .right-part h3{
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 1.6em;
}
.sec2 .flex-box{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: row;
}
.sec2 ul{
  min-width: 50%;
}
.sec2 ul li{
  margin-bottom: 1.125em;
  padding-left: 1.9375em;
  line-height: 1.5;
}
.sec2 ul li:last-child{
  margin-bottom: 0;
}
.sec2 ul li::before{
  content: "";
  background-repeat: no-repeat;
  background-image: url(../images/index_sec2_icon.png);
  background-size: contain;
  width: 0.9375em;
  height: 0.9375em;
  margin-right: 1em;
  vertical-align: middle;
  display: inline-block;
  margin-left: -1.9375em;
}



.sec-advantage{
  padding: 8.2% 0 6%;
}
.sec-advantage .inner{
  width: 87.5em;
}
.sec-advantage h3{
  text-align: center;
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 1.9em;
}
.sec-advantage ul{
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  flex-direction: row;
  flex-wrap: wrap;
}
.sec-advantage ul.col3{
  margin-left: -6.875em;
  margin-right: -6.875em;
}
.sec-advantage ul::after{
  width: 48.57%;
  content: "";
  display: block;
}
.sec-advantage ul.col3::after{
  width: 31.79%;
}
.sec-advantage li{
  width: 48.57%;
  background-color: #fff;
  border-radius: 0.625em;
  margin-bottom: 2.5%;
  padding: 2.8125em 2.8125em 2.5em;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: row;
  box-shadow: 0px 0.25em 1.5em rgba(20, 20, 20, 0.1);
}
.sec-advantage ul.col3 li{
  width: 31.79%;
}
.sec-advantage .icon-box{
  border-radius: 0.625em;
  background-color: var(--theme-red);
  width: 3.625em;
  margin-right: 1.75em;
}
.sec-advantage h5{
  font-size: 1.25em;
  font-weight: bold;
  margin-bottom: 0.9em;
}
.sec-advantage p{
  line-height: 1.5;
  margin-bottom: 0.375em;
}
.sec-advantage p.point{
  padding-left: 0.75em;
}
.sec-advantage p:last-child{
  margin-bottom: 0; 
}
.sec-advantage p em{
  display: inline-block;
  vertical-align: baseline;
  margin-left: -0.75em;
  width: 0.75em;
  font-style: normal;
}




.sec-solution{
  padding-top: 8.23%;
  padding-bottom: 7.1%;
  color: #333;
}
.sec-solution .flex-box{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  margin-bottom: 5em;
}
.sec-solution h3{
  font-size: 2.5em;
  font-weight: bold;
}
.sec-solution .btn-box{
  display: none;
}
.sec-solution .btn-box.active{
  display: block;
}
.sec-solution .swiper-prev,.sec-solution .swiper-next{
  width: 2.5em;
  height: 2.5em;
  line-height: 2.5;
  text-align: center;
  font-family: "Font Awesome 5 Pro";
  display: inline-block;
  cursor: pointer;
}
.sec-solution .swiper-prev{
  transform: rotate(-90deg);
  margin-right: 1em;
}
.sec-solution .swiper-next{
  transform: rotate(90deg);
}
.sec-solution .swiper-prev::before,.sec-solution .swiper-next::before{
  font-size: 1.25em;
  content: "\f176";
  line-height: 1;
}
.sec-solution .swiper{
  overflow: visible;
}
.sec-solution .swiper-slide{
  width: 23.3125em;
}
.sec-solution .img-box{
  overflow: hidden;
}
.sec-solution .img-box img{
  transition: transform 0.8s;
}
.sec-solution .text-box{
  padding: 3.125em 2.5em;
  border: 1px solid #eee;
  border-top: 0 none;
}
.sec-solution .text-box h5{
  font-size: 1.25em;
  font-weight: bold;
  margin-bottom: 0.7em;
  max-height: 1em;
  transition: color 0.5s;
}
.sec-solution .text-box p{
  line-height: 1.75;
  max-height: 3.5em;
  margin-bottom: 2.25em;
}
.sec-solution .text-box .more{
  font-size: 0.9375em;
  transition: color 0.5s;
}
.sec-solution .text-box .more::after{
  font-family: "Font Awesome 5 Pro";
  content: "\f176";
  display: inline-block;
  vertical-align: baseline;
  transform: rotate(90deg);
  margin-left: 0.8em;
}




.sec-case{
  padding: 7.3% 0;
  color: #333;
  background-repeat: no-repeat;
  background-image: url(../images/productdetail_sec5_bg.png);
  background-position: center bottom;
  background-size: 100% auto;
}
.sec-case .flex-box{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  margin-bottom: 5em;
}
.sec-case h3{
  font-size: 2.5em;
  font-weight: bold;
}
.sec-case .btn-box{
  display: none;
}
.sec-case .btn-box.active{
  display: block;
}
.sec-case .swiper-prev,.sec-case .swiper-next{
  width: 2.5em;
  height: 2.5em;
  line-height: 2.5;
  text-align: center;
  font-family: "Font Awesome 5 Pro";
  display: inline-block;
  cursor: pointer;
}
.sec-case .swiper-prev{
  transform: rotate(-90deg);
  margin-right: 1em;
}
.sec-case .swiper-next{
  transform: rotate(90deg);
}
.sec-case .swiper-prev::before,.sec-case .swiper-next::before{
  font-size: 1.25em;
  content: "\f176";
  line-height: 1;
}
.sec-case .swiper{
  overflow: visible;
}
.sec-case .swiper-slide{
  width: 23.3125em;
}
.sec-case .img-box{
  overflow: hidden;
}
.sec-case .img-box img{
  transition: transform 0.5s;
}
.sec-case .text-box{
  border: 1px solid #eee;
  border-top: 0 none;
  position: relative;
  padding: 3em 2.5em;
  background-color: #fff;
}
.sec-case .icon-box{
  position: absolute;
  right: 11.8%;
  top: -2.28125em;
  width: 4.5625em;
  height: 4.5625em;
  border-radius: 0.3125em;
  background-color: #fff;
}
.sec-case .icon{
  font-family: 'caseicon';
  border-radius: 0.3125em;
  background-color: var(--theme-red);
  width: 85%;
  height: 85%;
  margin-left: 7.5%;
  margin-top: 7.5%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.sec-case .icon::before{
  font-size: 2.25em;
}
.sec-case .icon.case_icon_cata2::before{
  -webkit-text-stroke-color: var(--theme-red);
}
.sec-case .tag-box{
  margin-bottom: 1.375em;
  padding-left: 2em;
  line-height: 1.5;
}
.sec-case .tag-box img{
  width: 1em;
  vertical-align: middle;
  margin-right: 1em;
  margin-left: -2em;
}
.sec-case .tag-box span{
  display: inline-block;
  vertical-align: middle;
  font-size: 0.875em;
}
.sec-case .tag-box span::after{
  content: "/";
  margin: 0 0.5em;
}
.sec-case .tag-box span:last-child::after{
  display: none;
}
.sec-case h5{
  font-size: 1.25em;
  font-weight: bold;
  max-height: 1em;
  margin-bottom: 0.75em;
  transition: color 0.5s;
}
.sec-case p{
  line-height: 1.75;
  max-height: 3.5em;
  margin-bottom: 1.5em;
}
.sec-case .more{
  font-size: 0.9375em;
  transition: color 0.5s;
}
.sec-case .more::after{
  font-family: "Font Awesome 5 Pro";
  content: "\f176";
  display: inline-block;
  vertical-align: baseline;
  transform: rotate(90deg);
  margin-left: 0.8em;
}



.sec-function{
  padding: 7.3% 0;
  color: #333;
}
.sec-function .flex-box{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  margin-bottom: 5em;
}
.sec-function h3{
  font-size: 2.5em;
  font-weight: bold;
}
.sec-function .btn-box{
  display: none;
}
.sec-function .btn-box.active{
  display: block;
}
.sec-function .swiper-prev,.sec-function .swiper-next{
  width: 2.5em;
  height: 2.5em;
  line-height: 2.5;
  text-align: center;
  font-family: "Font Awesome 5 Pro";
  display: inline-block;
  cursor: pointer;
}
.sec-function .swiper-prev{
  transform: rotate(-90deg);
  margin-right: 1em;
}
.sec-function .swiper-next{
  transform: rotate(90deg);
}
.sec-function .swiper-prev::before,.sec-function .swiper-next::before{
  font-size: 1.25em;
  content: "\f176";
  line-height: 1;
}
.sec-function .swiper{
  overflow: visible;
}
.sec-function .swiper-slide{
  width: 28.75em;
}
.sec-function .img-box{
  overflow: hidden;
}
.sec-function .img-box img{
  transition: transform 0.5s;
}
.sec-function .text-box{
  border: 1px solid #eee;
  border-top: 0 none;
  position: relative;
  padding: 1.75em 2.75em;
  background-color: #fff;
}
.sec-function .icon-box{
  position: absolute;
  right: 10%;
  top: -2.28125em;
  width: 4.5625em;
  height: 4.5625em;
  border-radius: 0.3125em;
  background-color: #fff;
}
.sec-function .icon{
  border-radius: 0.3125em;
  background-color: var(--theme-red);
  width: 85%;
  height: 85%;
  margin-left: 7.5%;
  margin-top: 7.5%;
}
.sec-function h5{
  font-size: 1.25em;
  font-weight: bold;
  max-height: 1em;
  transition: color 0.5s;
}





.sec-tech{
  text-align: center;
  color: #333;
  padding: 10.4% 0;
}
.sec-tech h3{
 font-size: 2.5em;
 font-weight: bold;
 margin-bottom: 2.9em; 
}
.sec-tech ul{
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-direction: row;
}
.sec-tech li{
  width: 11.25em;
  margin-right: 2.5em;
  background-color: #fff;
  border-radius: 0.3125em;
  padding-top: 2.625em;
  padding-bottom: 1.375em;
  box-shadow: 0px 0.25em 1.5em rgba(20, 20, 20, 0.1);
}
.sec-tech li:last-child{
  margin-right: 0;
}
.sec-tech .icon-box{
  border-radius: 0.3125em;
  background-color: var(--theme-red);
  margin: 0 auto 1.25em;
  width: 3.75em;
}
.sec-tech p{
  line-height: 1.5;
  white-space: pre-wrap;
}



.sec-feature{
  color: #333;
  padding: 10.4% 0;
}
.sec-feature h3{
 font-size: 2.5em;
 font-weight: bold;
 margin-bottom: 1.75em; 
 text-align: center;
}
.sec-feature .flex-box{
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: row;
}
.sec-feature ul:first-child{
  margin-right: 8.8%;
}
.sec-feature ul li{
  padding-left: 1.5em;
  margin-bottom: 0.625em;
}
.sec-feature ul li:last-child{
  margin-bottom: 0;
}
.sec-feature ul li em{
  font-style: normal;
}
.sec-feature ul li em:first-child{
  font-size: 1em;
  font-style: normal;
  margin-left: -1.5em;
  margin-right: 1em;
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background-color: var(--theme-red);
  color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: top;
  margin-top: 0.6875em;
  overflow: hidden;
}
.sec-feature ul li em:last-child{
  font-size: 1.125em;
  line-height: 1.67;
  max-width: 27em;
  display: inline-block;
}




.sec-process{
  padding: 7.3% 0;
  color: #333;
  text-align: center;
}
.sec-process h3{
  font-size: 2.5em;
  font-weight: bold;
  margin-bottom: 2.5em;
}
.sec-process ul{
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-direction: row;
}
.sec-process li{
  width: 15.9375em;
  box-shadow: 0px 0.25em 1.5em rgba(20, 20, 20, 0.1);
  margin-right: 3.75em;
}
.sec-process li:last-child{
  margin-right: 0;
}
.sec-process .img-box{
  overflow: hidden;
}
.sec-process .img-box img{
  transition: transform 0.5s;
}
.sec-process .text-box{
  position: relative;
  background-color: #fff;
  padding-top: 3.75em;
  padding-bottom: 2.25em;
}
.sec-process .icon-box{
  position: absolute;
  left: 50%;
  top: -1.9375em;
  width: 3.875em;
  height: 3.875em;
  margin-left: -1.9375em;
  border-radius: 0.3125em;
  background-color: var(--theme-red);
}
.sec-process p{
  font-size: 1.125em;
}



@media only screen and (min-width:1024px){
  .sec-solution .swiper-slide:hover .img-box img{
    transform: scale(1.1);
  }
  .sec-solution .swiper-prev:hover,.sec-solution .swiper-next:hover{
    color: var(--theme-red);
  }
  .sec-solution .swiper-slide:hover .text-box h5{
    color: var(--theme-red);
  }
  .sec-solution .swiper-slide:hover .text-box .more{
    color: var(--theme-red);
  }


  .sec-case .swiper-prev:hover,.sec-case .swiper-next:hover{
    color: var(--theme-red);
  }
  .sec-case .swiper-slide:hover .img-box img{
    transform: scale(1.1);
  }
  .sec-case .swiper-slide:hover h5{
    color: var(--theme-red);
  }
  .sec-case .swiper-slide:hover .more{
    color: var(--theme-red);
  }


  .sec-function .swiper-prev:hover,.sec-function .swiper-next:hover{
    color: var(--theme-red);
  }
  .sec-function .swiper-slide:hover .img-box img{
    transform: scale(1.1);
  }
  .sec-function .swiper-slide:hover h5{
    color: var(--theme-red);
  }


  .sec-process li:hover .img-box img{
    transform: scale(1.1);
  }
}

@media only screen and (max-width:1024px){
  .sec1 .crumbs{
    font-size: 0.75em;
    top: 0;
    margin-top: 10%;
  }
  .sec1 .crumbs .inner > *{
    font-size: 1em;
  }
  .sec1 .content .inner{
    padding: 20% 0 60%;
  }
  .sec1 .text-box{
    width: 100%;
  }
  .sec1 .text-box .section-title{
    margin-bottom: 5%;
  }
  .sec1 .text-box h1{
    font-size: 1.5625em;
  }
  .sec1 .text-box p{
    font-size: 0.75em;
  }
  .sec1 .text-box .theme-btn1{
    font-size: 0.75em;
  }
  .sec1 .img-box{
    width: 80%;
    right: 10%;
  }




  .sec2{
    padding-top: 25%;
    padding-bottom: 15%;
  }
  .sec2 .inner{
    display: block;
  }
  .sec2 .left-part{
    width: 100%;
    margin-bottom: 10%;
    font-size: 0.75em;
  }
  .sec2 .right-part{
    padding-left: 0;
    width: 100%;
  }
  .sec2 .right-part h3{
    font-size: 1.5625em;
    margin-bottom: 1em;
  }
  .sec2 .flex-box{
    display: block;
    font-size: 0.75em;
  }
  .sec2 ul:first-child{
    margin-bottom: 1.375em;
  }




  .sec-advantage{
    padding: 15% 0 5%;
  }
  .sec-advantage h3{
    font-size: 1.5625em;
    margin-bottom: 10%;
  }
  .sec-advantage ul{
    display: block;
    font-size: 0.75em;
  }
  .sec-advantage ul::after{
    display: none;
  }
  .sec-advantage li{
    width: 100%;
    margin-bottom: 5%;
    padding: 2.8125em 1.5em 2.5em;
  }
  .sec-advantage ul.col3{
    margin-left: 0;
    margin-right: 0;
  }
  .sec-advantage ul.col3 li{
    width: 100%;
  }




  .sec-solution{
    padding-top: 15%;
    padding-bottom: 15%;
  }
  .sec-solution .flex-box{
    margin-bottom: 10%;
  }
  .sec-solution h3{
    font-size: 1.5625em;
  }
  .sec-solution .swiper-prev,.sec-solution .swiper-next{
    font-size: 0.75em;
  }
  .sec-solution .swiper-slide{
    font-size: 0.75em;
  }



  .sec-case{
    padding: 15% 0;
    background-size: 200% auto;
  }
  .sec-case .flex-box{
    margin-bottom: 10%;
  }
  .sec-case h3{
    font-size: 1.5625em;
  }
  .sec-case .swiper-prev,.sec-case .swiper-next{
    font-size: 0.75em;
  }
  .sec-case .swiper-slide{
    font-size: 0.75em;
  }


  .sec-function{
    padding: 15% 0;
  }
  .sec-function .flex-box{
    margin-bottom: 10%;
  }
  .sec-function h3{
    font-size: 1.5625em;
  }
  .sec-function .swiper-prev,.sec-function .swiper-next{
    font-size: 0.75em;
  }
  .sec-function .swiper-slide{
    font-size: 0.75em;
  }




  .sec-tech{
    padding: 15% 0;
  }
  .sec-tech h3{
   font-size: 1.5625em;
   margin-bottom: 10%; 
  }
  .sec-tech ul{
    font-size: 0.875em;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .sec-tech ul::after{
    content: "";
    width: 48%;
    display: block;
  }
  .sec-tech li{
    width: 48%;
    margin-right: 0;
    margin-bottom: 4%;
  }
  .sec-tech li:last-child{
    margin-bottom: 0;
  }



  .sec-feature{
    padding: 15% 0;
  }
  .sec-feature h3{
   font-size: 1.5625em;
   margin-bottom: 10%; 
  }
  .sec-feature .flex-box{
    display: block;
  }
  .sec-feature ul{
    font-size: 0.75em;
  }
  .sec-feature ul:first-child{
    margin-right: 0;
    margin-bottom: 0.625em;
  }



  .sec-process{
    padding: 15% 0;
  }
  .sec-process h3{
    font-size: 1.5625em;
    margin-bottom: 10%;
  }
  .sec-process ul{
    flex-wrap: wrap;
    justify-content: space-between;
    font-size: 0.75em;
  }
  .sec-process ul::after{
    content: "";
    display: block;
    width: 48%;
  }
  .sec-process li{
    width: 48%;
    margin-right: 0;
    margin-bottom: 4%;
  }
  .sec-process li:last-child{
    margin-bottom: 0;
  }

  
}