* {
  margin: 0;
  padding: 0;
}
a {
  color: #333333;
  text-decoration: none;
}
ul li {
  list-style: none;
}
.big_bg {
  margin-top: 80px;
  position: relative;
}
.big_bg > img {
  width: 100%;
  vertical-align: text-bottom;
}
.big_bg .con {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.big_bg .con .title {
  font-size: 36px;
  color: #FFFFFF;
}
.big_bg .con .line {
  width: 40px;
  height: 3px;
  background: #FFFFFF;
  margin: 20px auto 30px;
}
.big_bg .con .eng {
  font-size: 54px;
  color: #FFFFFF;
  font-weight: bold;
}
.big_bg .con img {
  width: 50px;
  vertical-align: text-bottom;
  animation: move 2s linear infinite;
  margin-top: 45px;
}
.two_nav {
  width: 100%;
  height: 80px;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.two_nav .left {
  width: 67vw;
  height: 100%;
  background: #fff;
  display: flex;
  align-items: center;
  padding-left: 8%;
  box-sizing: border-box;
}
.two_nav .left img {
  width: 24px;
  vertical-align: text-bottom;
  margin-right: 15px;
}
.two_nav .left span {
  font-size: 16px;
  color: #999999;
}
.two_nav .left a {
  font-size: 16px;
  color: #999;
}
.two_nav .left .you {
  margin: 0 15px;
}
.page {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0px;
  margin-top: 80px;
}
.page a {
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  border: 1px solid #E8E8E8;
  box-sizing: border-box;
  margin-right: 10px;
  color: #333333;
}
.page a:nth-last-child(1) {
  margin-right: 0;
}
.page a:hover {
  color: #790516;
  border-color: #790516;
}
.page a.a {
  color: #790516;
  border-color: #790516;
}
.detail_nav {
  padding: 35px 120px;
  box-sizing: border-box;
  background: #F6F6F6;
  display: flex;
  align-items: center;
}
.detail_nav img {
  width: 30px;
  vertical-align: text-bottom;
  margin-right: 25px;
}
.detail_nav .con {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #666666;
}
.detail_nav .con a {
  font-size: 18px;
  color: #666666;
}
.detail_nav .con span {
  margin: 0 5px;
}
@keyframes move {
  0%,
  50% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-10px);
  }
  75% {
    transform: translateY(10px);
  }
}
.bottoms {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  line-height: 40px;
  background: #790516;
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 99;
  display: none;
}
.bottoms a {
  display: block;
  width: 25%;
  border-right: 1px solid #FFFFFF;
  box-sizing: border-box;
  color: #FFFFFF;
  font-size: 14px;
  text-align: center;
}
.bottoms a:nth-last-child(1) {
  border-right: none;
}
@media screen and (max-width: 1600px) {
  .two_nav .left {
    padding-left: 4%;
  }
}
@media screen and (max-width: 968px) {
  .big_bg {
    margin-top: 60px;
  }
  .big_bg .con .title {
    font-size: 20px;
  }
  .big_bg .con .line {
    margin: 5px auto;
  }
  .big_bg .con .eng {
    font-size: 22px;
  }
  .big_bg .con img {
    display: none;
    width: 24px;
    margin-top: 5px;
  }
  .two_nav {
    height: 50px;
  }
  .two_nav .left {
    width: auto;
    padding: 0 4%;
  }
  .two_nav .left img {
    width: 18px;
  }
  .two_nav .left span {
    font-size: 14px;
  }
  .two_nav .left a {
    font-size: 14px;
  }
  .two_nav .right {
    padding-right: 2%;
    justify-content: flex-end;
  }
  .two_nav .right .ul {
    display: none;
  }
  .two_nav .right .more .top span {
    font-size: 14px;
    margin-right: 10px;
  }
  .two_nav .right .more .top img {
    width: 15px;
  }
  .two_nav .right .more .son {
    left: auto;
    right: 0;
  }
  .two_nav .right .more .son a {
    line-height: 35px;
    font-size: 12px;
  }
  .page {
    margin-bottom: 20px;
    margin-top: 30px;
  }
  .page a {
    width: 25px;
    height: 25px;
    line-height: 25px;
    font-size: 12px;
  }
  .detail_nav {
    padding: 20px 2%;
  }
  .detail_nav img {
    width: 20px;
    margin-right: 10px;
  }
  .detail_nav .con {
    font-size: 14px;
  }
  .detail_nav .con a {
    font-size: 14px;
  }
  .detail_nav .con span {
    margin: 0 2px;
  }
  .bottoms {
    display: flex;
  }
}
.big_img {
  width: 100%;
  position: relative;
  margin-top: 80px;
}
.big_img img {
  width: 100%;
  vertical-align: text-bottom;
}
.big_img .con {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.big_img .con p {
  font-size: 48px;
  color: #FFFFFF;
  margin-bottom: 20px;
  font-weight: bold;
}
.big_img .con span {
  font-size: 18px;
  color: #FFFFFF;
}
.breadcrumbs {
  padding: 2.2vw 7%;
  box-sizing: border-box;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumbs img {
  width: 24px;
  vertical-align: middle;
}
.breadcrumbs span {
  font-size: 16px;
  color: #999999;
  display: block;
  margin: 0 20px;
}
.breadcrumbs a {
  font-size: 16px;
  color: #999999;
}
.tab {
  padding: 30px 0 20px 0;
  box-sizing: border-box;
}
.tab a {
  font-size: 20px;
  color: #333333;
  position: relative;
  margin-right: 3.125vw;
}
.tab a:nth-last-child(1) {
  margin-right: 0;
}
.tab a::before {
  content: '';
  width: 100%;
  height: 2px;
  background: #004896;
  position: absolute;
  left: 0;
  bottom: -5px;
  transform: scale(0);
  transition: all 0.5s linear;
}
.tab a:hover {
  color: #004896;
}
.tab a:hover::before {
  transform: scale(1);
}
.tab a.act {
  color: #004896;
}
.tab a.act::before {
  transform: scale(1);
}
@media screen and (max-width: 1380px) {
  .big_img {
    margin-top: 60px;
  }
  .big_img .con p {
    font-size: 28px;
    margin-bottom: 10px;
  }
  .big_img .con span {
    font-size: 14px;
  }
}
@media screen and (max-width: 768px) {
  .page {
    margin-top: 20px;
  }
  .page a {
    width: 25px;
    height: 25px;
    line-height: 25px;
    font-size: 12px;
  }
  .bottoms {
    display: flex;
  }
  .big_img {
    margin-top: 60px;
  }
  .big_img img{
    height: 200px;
  }
  .big_img .con p {
    font-size: 22px;
    margin-bottom: 5px;
  }
  .big_img .con span {
    font-size: 14px;
  }
  .breadcrumbs {
    padding: 2.2vw 2%;
  }
  .breadcrumbs img {
    width: 15px;
  }
  .breadcrumbs span {
    font-size: 14px;
    margin: 0 5px;
  }
  .breadcrumbs a {
    font-size: 14px;
  }
  .tab {
    padding: 0 2% 20px;
  }
  .tab a {
    font-size: 14px;
  }
}