/*************** Why choose us样式 ***************/
.float-l {
  float: left;
}
.float-r {
  float: right;
}
.clear {
  clear: both;
}
.center {
  margin: 0 auto;
}
.ft-wei {
  font-weight: 600;
}
.hide-excess-text {
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.v-center {
  display: flex;
  justify-content: center;
  align-items: Center;
}
@keyframes imgHover {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.2);
  }
}
.imgHover {
  animation: imgHover 1s forwards;
}
.home-why {
  background: url('../../images/bj.png') no-repeat;
  background-size: 100vw;
  background-attachment: fixed;
  background-color: #0c73be;
  color: #fff;
}
.home-why .row {
  margin-left: 0;
  margin-right: 0;
}
.home-why .top-title {
  margin: 0 auto;
  position: relative;
  text-align: center;
}
.home-why .top-title .image {
  position: absolute;
}
.home-why .top-title .title-l {
  font-weight: 600;
  text-transform: uppercase;
  font-family: OBW;
}
.home-why .top-title .title-s {
  position: absolute;
}
.home-why .top-title .border {
  background-color: #ffffff;
  position: absolute;
}
.home-why .top-title .border.border-top {
  height: 1px;
  top: 0%;
}
.home-why .top-title .border.border-top.bt-1 {
  left: 0;
}
.home-why .top-title .border.border-top.bt-2 {
  right: 0;
}
.home-why .top-title .border.border-left {
  width: 1px;
  height: 100%;
  top: 0;
  left: 0;
}
.home-why .top-title .border.border-right {
  width: 1px;
  height: 100%;
  top: 0;
  right: 0;
}
.home-why .top-title .border.border-bottom {
  height: 1px;
  bottom: 0%;
}
.home-why .top-title .border.border-bottom.bb-1 {
  left: 0;
}
.home-why .top-title .border.border-bottom.bb-2 {
  right: 0;
}
.home-why .center-text {
  text-align: center;
}
.home-why .bottom-item .item {
  float: left;
  text-align: center;
}
/*************** 导航栏跟随页面滚动 ***************/
@media (max-width: 767px) {
  .home-why {
    padding-top: 7vw;
  }
  .home-why .top-title {
    width: 70vw;
    padding-top: 2vw;
    padding-bottom: 2vw;
    margin-bottom: 2vw;
  }
  .home-why .top-title .image {
    top: -36%;
    left: 32.5vw;
  }
  .home-why .top-title .image img {
    width: 5vw;
  }
  .home-why .top-title .title-l {
    font-size: 5vw;
  }
  .home-why .top-title .title-s {
    font-size: 2.5vw;
    bottom: -15%;
    left: 13vw;
  }
  .home-why .top-title .border.border-top {
    width: 28vw;
  }
  .home-why .top-title .border.border-bottom {
    width: 7vw;
  }
  .home-why .center-text {
    font-size: 2.5vw;
    padding: 10px 8vw;
    margin-bottom: 0vw;
  }
  .home-why .bottom-item {
    padding: 0 12vw;
    padding-bottom: 2vw;
  }
  .home-why .bottom-item .item {
    width: 13vw;
    margin: 3vw 1vw;
    font-size: 1vw;
  }
  .home-why .bottom-item .item .image {
    margin-bottom: 1vw;
  }
  .home-why .bottom-item .item .image img {
    width: 5vw;
  }
}
@media (min-width: 768px) {
  .home-why {
    padding-top: 7vw;
    margin-bottom: 40px;
  }
  .home-why .top-title {
    width: 38vw;
    padding-top: 1.5vw;
    padding-bottom: 1.5vw;
    margin-bottom: 3vw;
  }
  .home-why .top-title .image {
    top: -15%;
    left: 18vw;
  }
  .home-why .top-title .image img {
    width: 2vw;
  }
  .home-why .top-title .title-l {
    font-size: 2.4vw;
  }
  .home-why .top-title .title-s {
    font-size: 1.2vw;
    bottom: -10%;
    left: 9vw;
  }
  .home-why .top-title .border.border-top {
    width: 17vw;
  }
  .home-why .top-title .border.border-bottom {
    width: 7vw;
  }
  .home-why .center-text {
    font-size: 1.2vw;
    padding: 10px 8vw;
    margin-bottom: 2vw;
  }
  .home-why .bottom-item {
    padding: 0 8vw;
    padding-bottom: 2vw;
  }
  .home-why .bottom-item .item {
    width: 14vw;
    margin: 3vw 1vw;
    font-size: 1vw;
  }
  .home-why .bottom-item .item .image {
    margin-bottom: 1vw;
  }
  .home-why .bottom-item .item .image img {
    width: 5vw;
  }
}