.topbg.toptit {
  height: 21vw;
}
.topbg.toptit h2 {
  font-size: 48px;
  margin-top: 0;
  margin-bottom: 35px;
}
.topbg.toptit h2 i {
  margin: 0 20px;
}
.topbg.toptit span {
  color: #fff;
  font-size: 20px;
}
.watertab {
  display: flex;
  justify-content: center;
}
.watertab a {
  display: block;
  padding: 0 45px;
}
.watertab a.active {
  background: #ffffff;
}
.watertab a > div {
  text-align: center;
}
.watertab a > div svg {
  font-size: 36px;
  margin: 20px 0 10px;
}
.watertab a > div p {
  color: #222222;
  font-size: 16px;
  margin-bottom: 35px;
}
.waterbox {
  padding: 55px 0 100px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.waterbox .waterlist {
  width: 32%;
  margin-bottom: 20px;
  border-radius: 5px;
  background: #ffffff;
  overflow: hidden;
  transition: all 0.3s;
}
.waterbox .waterlist img {
  width: 100%;
}
.waterbox .waterlist:hover {
  box-shadow: 0px 1px 16px 0px rgba(223, 223, 223, 0.75);
}
.waterbox .waterlist:hover a {
  opacity: 1;
}
.waterbox .waterlist:hover p,
.waterbox .waterlist:hover span {
  display: none;
}
.waterbox .waterlist > div {
  height: 120px;
  padding: 0 20px;
  position: relative;
}
.waterbox .waterlist > div h5 {
  margin: 20px 0 12px;
  color: #444444;
  font-weight: 600;
}
.waterbox .waterlist > div p {
  line-height: 22px;
  font-weight: 300;
  color: #999999;
  margin-bottom: 50px;
}
.waterbox .waterlist > div a {
  display: block;
  opacity: 0;
  padding: 8px 38px;
  border-radius: 4px;
  background: #146eeb;
  color: #ffffff;
  font-size: 14px;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translate(-50%, 0);
}
.waterbox .waterlist > div span {
  display: block;
  position: absolute;
  width: 22px;
  height: 2px;
  background: #146eeb;
  bottom: 15px;
  right: 20px;
}
.topbg {
  height: 12vw;
}
.prodebox {
  width: 1000px;
  margin: 0 auto;
}
.breadcrumb {
  margin: 28px 0;
}
.introduce {
  padding: 40px 35px;
  margin-bottom: 30px;
  background: #ffffff;
  display: flex;
}
.introduce img {
  width: 400px;
  margin-right: 40px;
}
.introduce .intr_text {
  width: 480px;
}
.introduce .intr_text h4 {
  color: #222222;
  font-weight: 400;
  font-size: 24px;
  margin-bottom: 28px;
}
.introduce .intr_text p {
  color: #999999;
  font-weight: 300;
  line-height: 24px;
}
.introduce .intr_text a {
  margin-top: 10px;
  color: #3468f3;
}
.xuxaka {
  background: #ffffff;
}
.xuxaka .nav-tabs {
  border-bottom: 1px solid #ecedee;
}
.xuxaka .nav-tabs > li {
  margin-bottom: 0;
}
.xuxaka .nav-tabs > li > a {
  padding: 22px 36px;
  color: #222222;
  border: none;
  margin-right: 0;
}
.xuxaka .nav-tabs > li > a:hover {
  background-color: transparent;
}
.xuxaka .nav-tabs > li.active > a {
  border: none;
  color: #222222;
  background: #edf6fd;
}
.xuxaka .tab-pane {
  text-align: center;
  padding-top: 90px;
}
.xuxaka .downloadzl {
  text-align: left;
  margin-left: 85px;
}
.xuxaka .downloadzl h6 {
  color: #222222;
  font-size: 20px;
  font-weight: 400;
}
.xuxaka .downloadzl p {
  margin: 35px 0 40px;
  color: #999999;
  line-height: 30px;
  font-size: 14px;
}
.xuxaka .loada {
  text-align: center;
  padding-bottom: 100px;
}
.xuxaka .loada a {
  color: #fff;
  border-radius: 5px;
  background: #0464d3;
  padding: 8px 40px;
  display: inline-block;
}
@media (max-width: 767px) {
  .topbg.toptit {
    height: 2rem;
  }
  .topbg.toptit h2 {
    font-size: 24px;
    margin-bottom: 15px;
  }
  .topbg.toptit h2 i {
    margin: 0 2px;
  }
  .topbg.toptit span {
    font-size: 14px;
  }
  .watertab {
    display: none;
  }
  .waterbox {
    justify-content: center;
    padding-bottom: 35px;
  }
  .waterbox .waterlist {
    width: 90%;
  }
  .waterbox .waterlist div {
    height: auto;
  }
  .waterbox .waterlist div p {
    margin-bottom: 20px;
  }
  .waterbox .waterlist div a {
    position: static;
    opacity: 1;
    display: inline-block;
    margin: 0 0 20px 50%;
  }
  .waterbox .waterlist div span {
    display: none;
  }
  .waterbox .waterlist:hover {
    display: block;
  }
  .waterbox .waterlist:hover div p {
    display: block;
  }
  .waterbox .waterlist:hover div span {
    display: none;
  }
  .topbg {
    height: 1.8rem;
  }
  .prodebox {
    width: 100%;
  }
  .breadcrumb {
    margin: 15px 0;
  }
  .introduce {
    display: block;
  }
  .introduce img {
    width: 100%;
    margin: 0;
  }
  .introduce .intr_text {
    width: 100%;
  }
  .introduce .intr_text h4 {
    font-size: 20px;
    text-align: center;
    margin: 15px 0 15px;
  }
  .xuxaka .tab-pane {
    padding-top: 40px;
  }
  .xuxaka .downloadzl {
    margin: 0 15px;
  }
  .xuxaka .downloadzl h6 {
    line-height: 1.3em;
  }
}