.case_a {
  padding: 30px 0 100px;
}
.case_a .tt {
  margin-bottom: 50px;
}
.case_a .pagetitle {
  padding: 94px 0 45px;
}
.case_a .ysbox .box {
  -webkit-border-radius: 6px;
     -moz-border-radius: 6px;
          border-radius: 6px;
  border: solid 1px #eeeeee;
  overflow: hidden;
  height: 300px;
  position: relative;
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
}
.case_a .ysbox .box i {
  position: absolute;
  width: 15px;
  height: 15px;
  display: block;
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
}
.case_a .ysbox .box .lt {
  border-left: 1px solid #fff;
  border-top: 1px solid #fff;
  left: 0;
  top: 0;
}
.case_a .ysbox .box .rt {
  border-right: 1px solid #fff;
  border-top: 1px solid #fff;
  right: 0;
  top: 0;
}
.case_a .ysbox .box .bl {
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
  left: 0;
  bottom: 0;
}
.case_a .ysbox .box .br {
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
  right: 0;
  bottom: 0;
}
.case_a .ysbox .box .indiv {
  padding-top: 30%;
}
.case_a .ysbox .box .indiv .iconbox {
  width: 50px;
  margin: 0 auto 22px;
  position: relative;
}
.case_a .ysbox .box .indiv .te {
  color: #ffffff;
  font-size: 16px;
  padding: 0 5px;
  line-height: 24px;
  margin-bottom: 24px;
  text-align: center;
  color: #333333;
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
}
.case_a .ysbox .box .indiv .line {
  width: 22px;
  height: 3px;
  background-color: #ffffff;
  -webkit-border-radius: 1px;
     -moz-border-radius: 1px;
          border-radius: 1px;
  margin: 0 auto;
  background-color: #0f91d3;
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
}
.case_a .ysbox .box:last-child {
  margin-right: 0;
}
.case_a .ysbox .box:hover {
  background: #0f91d3;
  border-color: #0f91d3;
}
.case_a .ysbox .box:hover .indiv .te {
  color: #fff;
}
.case_a .ysbox .box:hover .indiv .line {
  background: #fff;
}
.case_a .ysbox .box:hover .lt,
.case_a .ysbox .box:hover .rt {
  top: 14px;
}
.case_a .ysbox .box:hover .bl,
.case_a .ysbox .box:hover .br {
  bottom: 14px;
}
.case_a .ysbox .box:hover .lt,
.case_a .ysbox .box:hover .bl {
  left: 14px;
}
.case_a .ysbox .box:hover .rt,
.case_a .ysbox .box:hover .br {
  right: 14px;
}
.case_b {
  padding-bottom: 76px;
  background-color: #f5f5f5;
}
.case_b .pagetitle {
  padding: 45px 0 50px;
}
.case_b .swiperbox .swiper-container {
  margin-bottom: 60px;
}
.case_b .swiperbox .swiper-container .swiper-slide .imgbox {
  overflow: hidden;
  border-bottom: 4px solid #4372c2;
}

.case_b .swiperbox .swiper-container .swiper-slide .imgbox img {
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
  width: 100%;
}
.case_b .swiperbox .swiper-container .swiper-slide .textbox {
  padding: 16px 20px 14px 20px;
}
.case_b .swiperbox .swiper-container .swiper-slide .textbox .tl,
.case_b .swiperbox .swiper-container .swiper-slide .textbox .te {
  -o-text-overflow: ellipsis;
     text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.case_b .swiperbox .swiper-container .swiper-slide .textbox .tl {
  font-size: 16px;
  letter-spacing: 1px;
  color: #333333;
  margin-bottom: 10px;
}
.case_b .swiperbox .swiper-container .swiper-slide .textbox .te {
  color: #666666;
}
.case_b .swiperbox #caseSP {
  position: relative;
  width: 100%;
  height: 6px;
  background: none;
  bottom: 0;
}
.case_b .swiperbox #caseSP span {
  background-color: #0f91d3;
  margin: 0 5px;
}
.case_c {
  padding-bottom: 100px;
}
.case_c .pagetitle {
  padding: 94px 0 50px;
}
.case_c .swiperbox {
  padding: 0 64px;
  position: relative;
}
.case_c .swiperbox .btn {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
     -moz-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  cursor: pointer;
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
  margin-top: -17px;
}
.case_c .swiperbox .btn .bg {
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
}
.case_c .swiperbox .btn .icon {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 10;
}
.case_c .swiperbox .prev_inpar {
  left: 0;
}
.case_c .swiperbox .next_inpar {
  right: 0;
}
.case_c .swiperbox .btn:hover .bg {
  -webkit-transform: rotate(180deg);
     -moz-transform: rotate(180deg);
      -ms-transform: rotate(180deg);
          transform: rotate(180deg);
}
.case_c .swiperbox .swiper-slide .imgbox {
  overflow: hidden;
  border: solid 1px #dddddd;
}
.case_c .swiperbox .swiper-slide img {
  -webkit-transition: all .4s;
  -o-transition: all .4s;
  -moz-transition: all .4s;
  transition: all .4s;
  width: 100%;
}
.case_c .swiperbox .swiper-slide .te {
  color: #333333;
  text-align: center;
  padding-top: 20px;
}
.case_c .swiperbox .swiper-slide:hover img {
  -webkit-transform: scale(1.1);
     -moz-transform: scale(1.1);
      -ms-transform: scale(1.1);
          transform: scale(1.1);
}
@media (max-width: 1440px) {
  .case_a {
    padding-bottom: 80px;
  }
  .case_a .tt {
    margin-bottom: 40px;
  }
  .case_a .pagetitle {
    padding: 80px 0 40px;
  }
  .case_b .pagetitle {
    padding-bottom: 40px;
  }
  .case_b .swiperbox .swiper-container {
    margin-bottom: 40px;
  }
  .case_c {
    padding-bottom: 80px;
  }
  .case_c .pagetitle {
    padding: 80px 0 40px;
  }
}
@media (max-width: 1366px) {
  .case_a {
    padding-bottom: 60px;
  }
  .case_a .pagetitle {
    padding: 60px 0 40px;
  }
  .case_b {
    padding-bottom: 60px;
  }
  .case_c {
    padding-bottom: 60px;
  }
  .case_c .pagetitle {
    padding: 60px 0 40px;
  }
}
@media (max-width: 1280px) {
  .case_a .ysbox .box .indiv .iconbox {
    width: 40px;
  }
}
@media (max-width: 1024px) {
  .case_a .ysbox .box {
    height: 240px;
  }
  .case_a .ysbox .box .indiv .te {
    font-size: 14px;
  }
}
@media (max-width: 1024px) {
  .case_a .ysbox .swiper-container {
    padding-bottom: 30px;
  }
  .case_a .ysbox .swiper-container .swiper-pagination {
    bottom: 0;
  }
  .case_a .ysbox .box {
    height: 300px;
  }
  .case_b .swiperbox .swiper-container {
    margin-bottom: 20px;
  }
  .case_c .swiperbox {
    padding: 0;
  }
  .case_c .swiperbox .swiper-container {
    padding-bottom: 30px;
  }
  .case_c .swiperbox .swiper-container .swiper-pagination {
    bottom: 0;
  }
  .case_c .swiperbox .btn {
    display: none;
  }
}
@media (max-width: 768px) {
  .banner_ny .b_nav {
    display: block;
  }
  .case_a .ysbox .box {
    height: 196px;
  }
  .case_a .ysbox .box .indiv {
    padding-top: 40px;
  }
}