.content {
  width: 1500px;
  margin: 120px auto 0;
}
.content h3 {
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #1a1a1a;
  line-height: 40px;
  text-align: center;
}
.content .content-box {
  margin-top: 60px;
}
.content .product-box {
  display: flex;
  justify-content: space-between;
}
.content .product-box .product-item {
  text-align: center;
  position: relative;
  cursor: pointer;
}
.content .product-box .product-item .product-item-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #ffffff;
  transition: all 0.5s ease-out;
}
.content .product-box .product-item .product-item-bg img {
  margin: 24px 0;
}
.content .product-box .product-item .product-item-bg p {
  width: 240px;
}
.content .product-box .product-item .hide {
  font-size: 13px;
  line-height: 33px;
  display: none;
  transition: all 0.5s ease-out;
}
.content .product-box .product-item:hover .product-item-bg {
  background: rgba(0,0,0,0.6);
}
.content .product-box .product-item:hover .hide {
  display: block;
}
.content .work-engine-box {
  display: flex;
  justify-content: space-between;
}
.content .work-engine-box .work-engine-item {
  flex: 1;
  height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.content .work-engine-box .work-engine-item:hover .work-engine-icon {
  transform: scale(1.2);
}
.content .work-engine-box .work-engine-item:hover .work-engine-title {
  margin-top: 40px;
  color: #efb031;
}
.content .work-engine-box .work-engine-item .work-engine-icon {
  transition: all 0.5s ease-out;
}
.content .work-engine-box .work-engine-item p.work-engine-title {
  font-size: 21px;
  color: #1b1b1b;
  line-height: 40px;
  margin-top: 50px;
  transition: all 0.5s ease-out;
}
.content .work-engine-box .work-engine-item p.work-engine-content {
  font-size: 16px;
  color: #666666;
  line-height: 40px;
  margin-top: 28px;
  transition: all 0.5s ease-out;
}
.content .modeling-box {
  display: flex;
  flex-direction: column;
}
.content .modeling-box .modeling-item {
  display: flex;
  align-items: center;
  width: 100%;
  height: 520px;
  margin-bottom: 60px;
}
.content .modeling-box .modeling-item .bg {
  width: 1000px;
  height: 520px;
  cursor: pointer;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s ease-out;
}
.content .modeling-box .modeling-item .bg img {
  display: none;
}
.content .modeling-box .modeling-item .img-box {
  width: 1000px;
  height: 520px;
  cursor: pointer;
}
.content .modeling-box .modeling-item .img-box:hover .bg {
  background: rgba(0,0,0,0.6);
}
.content .modeling-box .modeling-item .img-box:hover .bg img {
  display: block;
}
.content .modeling-box .modeling-item .img-box01 {
  background: url(../images/modeling01.png) center center no-repeat;
}
.content .modeling-box .modeling-item .img-box02 {
  background: url(../images/modeling02.png) center center no-repeat;
  margin-left: -200px;
}
.content .modeling-box .modeling-item .text-box {
  width: 500px;
  height: 360px;
  background: #ffffff;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.content .modeling-box .modeling-item .text-box h3 {
  margin-bottom: 33px;
  font-size: 18px;
  color: #2c2c2c;
  line-height: 40px;
  transition: all 0.5s ease-out;
}
.content .modeling-box .modeling-item .text-box p {
  font-size: 14px;
  color: #686868;
  line-height: 40px;
}
.content .modeling-box .modeling-item .text-box:hover h3 {
  color: #efb031;
}
.content .modeling-box .modeling-item .text-box01 {
  padding: 0 0 0 78px;
  margin-left: -200px;
}
.content .modeling-box .modeling-item .text-box02 {
  padding: 0 78px 0 0;
  margin-left: 200px;
  z-index: 2;
}
.content .mechanism-box {
  display: flex;
}
.content .mechanism-box .mechanism-item {
  display: flex;
  flex: 1;
  flex-direction: column;
}
.content .mechanism-box .mechanism-item .img-box,
.content .mechanism-box .mechanism-item .bg {
  width: 750px;
  height: 450px;
  cursor: pointer;
  transition: all 0.5s ease-out;
}
.content .mechanism-box .mechanism-item .img-box:hover .bg,
.content .mechanism-box .mechanism-item .bg:hover .bg {
  background: rgba(0,0,0,0.6);
}
.content .mechanism-box .mechanism-item .img-box:hover .bg img,
.content .mechanism-box .mechanism-item .bg:hover .bg img {
  display: block;
}
.content .mechanism-box .mechanism-item .img-box .bg,
.content .mechanism-box .mechanism-item .bg .bg {
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
}
.content .mechanism-box .mechanism-item .img-box .bg img,
.content .mechanism-box .mechanism-item .bg .bg img {
  display: none;
}
.content .mechanism-box .mechanism-item .img-box01 {
  background: url(../images/mechanism01.png) center center no-repeat;
}
.content .mechanism-box .mechanism-item .img-box02 {
  background: url(../images/mechanism02.png) center center no-repeat;
}
.content .mechanism-box .mechanism-item .text-box {
  background: #ffffff;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  text-align: left;
  margin-top: 40px;
}
.content .mechanism-box .mechanism-item .text-box h3 {
  margin-bottom: 33px;
  font-size: 18px;
  color: #2c2c2c;
  line-height: 40px;
  transition: all 0.5s ease-out;
}
.content .mechanism-box .mechanism-item .text-box p {
  font-size: 14px;
  color: #686868;
  line-height: 40px;
}
.content .mechanism-box .mechanism-item .text-box:hover h3 {
  color: #efb031;
}
.content .mechanism-box .mechanism-item .text-box01 {
  text-align: left;
}
.content .mechanism-box .mechanism-item .text-box01 h3 {
  text-align: left;
}
.content .mechanism-box .mechanism-item .text-box02 {
  text-align: right;
}
.content .mechanism-box .mechanism-item .text-box02 h3 {
  text-align: right;
}
.content .demand-box {
  display: flex;
  flex-direction: column;
}
.content .demand-box .demand-item {
  display: flex;
  width: 100%;
  height: 520px;
  margin-bottom: 60px;
  align-items: center;
  justify-content: center;
}
.content .demand-box .demand-item .img-box,
.content .demand-box .demand-item .bg {
  position: relative;
  width: 850px;
  height: 520px;
  cursor: pointer;
  z-index: 1;
}
.content .demand-box .demand-item .img-box:hover,
.content .demand-box .demand-item .bg:hover {
  z-index: 2;
}
.content .demand-box .demand-item .img-box:hover .bg,
.content .demand-box .demand-item .bg:hover .bg {
  background: rgba(0,0,0,0.6);
}
.content .demand-box .demand-item .img-box:hover .bg img,
.content .demand-box .demand-item .bg:hover .bg img {
  display: block;
}
.content .demand-box .demand-item .img-box .bg,
.content .demand-box .demand-item .bg .bg {
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s ease-out;
}
.content .demand-box .demand-item .img-box .bg img,
.content .demand-box .demand-item .bg .bg img {
  display: none;
}
.content .demand-box .demand-item .img-box01 {
  background: url(../images/demand01.png) center center no-repeat;
}
.content .demand-box .demand-item .img-box02 {
  background: url(../images/demand02.png) center center no-repeat;
}
.content .demand-box .demand-item .text-box {
  background: #ffffff;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}
.content .demand-box .demand-item .text-box h3 {
  text-align: left;
  margin-bottom: 33px;
  font-size: 18px;
  color: #2c2c2c;
  line-height: 40px;
  transition: all 0.5s ease-out;
}
.content .demand-box .demand-item .text-box p {
  font-size: 14px;
  color: #686868;
  line-height: 40px;
}
.content .demand-box .demand-item .text-box:hover h3 {
  color: #efb031;
}
.content .demand-box .demand-item .text-box01 h3 {
  text-align: left;
}
.content .demand-box .demand-item .text-box02 {
  text-align: right;
  z-index: 2;
}
.content .demand-box .demand-item .text-box02 h3 {
  text-align: right;
}
.content .swiper-container01 {
  width: 1022px;
  height: 590px;
  margin: 0 auto;
  background: #e6e6e6;
  border: 1px dashed #999;
  overflow-x: hidden;
  position: relative;
}
.content .swiper-container01 .swiper-slide {
  width: 1022px;
  height: 590px;
}
.content .swiper-container01 .swiper-pagination01 {
  position: absolute;
  text-align: center;
  z-index: 999;
}
.content .swiper-container01 .swiper-button-prev01,
.content .swiper-container01 .swiper-button-next01 {
  position: absolute;
  top: 10px;
  width: 16px;
  height: 22px;
  z-index: 999;
  cursor: pointer;
}
.content .swiper-container01 .swiper-button-prev01 {
  right: 70px;
  background: url('../images/left02.png') center center no-repeat;
}
.content .swiper-container01 .swiper-button-prev01-active {
  background: url('../images/right03.png') center center no-repeat;
  transform: rotateY(180deg);
}
.content .swiper-container01 .swiper-button-next01 {
  right: 20px;
  background: url('../images/right03.png') center center no-repeat;
}
.content .swiper-container01 .swiper-button-next01-active {
  background: url('../images/left02.png') center center no-repeat;
  transform: rotateY(180deg);
}
.content .concat-box {
  display: flex;
  justify-content: space-between;
  margin-bottom: 150px;
}
.content .concat-box .img-box {
  width: 235px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.5s ease-out;
}
.content .concat-box .img-box:hover {
  background: #f8f8f8;
  border: 6px solid #ededed;
}
.business {
  margin-top: 110px;
  width: 100%;
  min-width: 1500px;
  height: 328px;
  padding-top: 208px;
  background: url("../images/work-engine04.png") no-repeat center center;
  background-size: cover;
  text-align: center;
  color: #ffffff;
}
.business h3 {
  font-size: 24px;
  line-height: 40px;
  margin-bottom: 50px;
}
.business p {
  margin-top: 16px;
  font-size: 16px;
}
.business p.button {
  cursor: pointer;
  width: 180px;
  height: 50px;
  background: #ffffff;
  border-radius: 2px;
  font-size: 14px;
  color: #efb031;
  line-height: 50px;
  margin: 54px auto 0;
}
.swiper-pagination-bullet{
  background: #4C4C4C;
  opacity: 1;
  height: 10px;
  width: 10px;
}
.swiper-pagination-bullet-active{
  width: 30px;
  height: 10px;
  background: #EFB031;
  border-radius: 5PX;
}