/* platform banner*/


/*platform*/
.platform1,
.platform2,
.platform3,
.platform4,
.platform5,
.platform6,
.platform7 {
  width: 80vw;
  min-width: 1200px;
  margin: 0 auto;
  margin-top:50px;
}

.platform1 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 1.59);
  min-height: calc(1200px / 1.59); 
  background:url(../../imgs/carNet/platform/platform_01.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

.platform2 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 2);
  min-height: calc(1200px / 2); 
  background:url(../../imgs/carNet/platform/platform_02.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

.platform3 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 4);
  min-height: calc(1200px / 4); 
  background:url(../../imgs/carNet/platform/platform_03.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}


.platform4 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 2.47);
  min-height: calc(1200px / 2.47); 
  background:url(../../imgs/carNet/platform/platform_04.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

.platform5 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 2.47);
  min-height: calc(1200px / 2.47); 
  background:url(../../imgs/carNet/platform/platform_05.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

.platform6 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 2.43);
  min-height: calc(1200px / 2.43);   background:url(../../imgs/carNet/platform/platform_06.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

.platform7 div:nth-child(1) {
  width: 100%;
  height: calc(80vw / 3.24);
  min-height: calc(1200px / 3.24); 
  background:url(../../imgs/carNet/platform/platform_07.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}
/*platform swiper*/
/*item1*/
#item1 {
  width: 80vw;
  min-width: 1200px;
  margin: 0 auto;
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
}
#item1 .platformItem1 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_01.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item1 .platformItem2 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_02.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item1 .platformItem3 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_03.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}
/*item2*/
#item2 {
  width: 80vw;
  min-width: 1200px;
  margin: 0 auto;
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
}
#item2 .platformItem4 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_04.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item2 .platformItem5 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_05.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item2 .platformItem6 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_06.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

/*item3*/
#item3 {
  width: 80vw;
  min-width: 1200px;
  margin: 0 auto;
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
}
#item3 .platformItem7 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_07.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item3 .platformItem8 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_08.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}

#item3 .platformItem9 {
  height: calc(80vw / 2.4);
  min-height: calc(1200px / 2.4); 
  background:url(../../imgs/carNet/platform/item_09.jpg)no-repeat;
  background-size: 100% ;
  position:relative;
}