.an_bg {
  width: 100%;
}
.an_bg img {
  width: 100%;
}
.design {
  width: 100%;
  padding-bottom: 41px;
}
.design_cont {
  width: 1200px;
  margin: 0 auto;
}
.des_top {
  padding-top: 46px;
}
.des_top span {
  font-size: 36px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: center;
  color: #333333;
  display: block;
}
.des_top i {
  font-size: 16px;
  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
  font-weight: 400;
  text-align: center;
  color: #888888;
  display: block;
  margin-top: 5px;
}
.tab-item {
  display: inline-block;
  height: 40px;
  padding: 0 30px;
  cursor: pointer;
  margin: 0 10px;
  line-height: 40px;
  border: 1px solid #eeeeee;
  border-radius: 20px;
  font-size: 16px;
  color: #333;
}
.tab-header {
  display: flex;
  justify-content: center;
  margin-top: 55px;
}
.tab-item.active {
  background-color: #ED5400;
  color: #fff;
  border-radius: 20px;
}
.tab-pane {
  display: none;
}
.tab-pane ul {
  margin-top: 47px;
  display: flex;
  flex-wrap: wrap;
}
.tab-pane ul a {
  margin-bottom: 20px;
  margin-right: 20px;
}
.tab-pane ul a li {
  width: 285px;
}
.tab-pane ul a li .img-responsive {
  width: 285px;
  height: 214px;
}
.tab-pane ul a li span {
  width: 285px;
  border: 1px solid #f2f2f2;
  display: block;
  line-height: 49px;
  text-align: center;
  color: #333;
}
.tab-pane ul a:nth-child(4) {
  margin-right: 0;
}
.tab-pane ul a:nth-child(8) {
  margin-right: 0;
}
.tab-pane.active {
  display: block;
}
.gengduo {
  width: 168px;
  height: 46px;
  line-height: 46px;
  text-align: center;
  margin: 0 auto;
  border: 1px solid rgba(218, 218, 218, 0.5);
  margin-top: 20px;
}
.a_rig {
  display: block;
  width: 168px;
  height: 46px;
  color: #333;
  margin: 0 auto;
}
.big_coni {
  width: 100%;
  height: 200px;
  background: url(../images/hengfu.png) no-repeat;
  background-size: cover;
}
.oho_con {
  width: 1200px;
  height: 200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.oho_con .o_le span {
  font-size: 38px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  color: #ffffff;
  display: block;
  margin-bottom: 10px;
}
.oho_con .o_le i {
  font-weight: 400;
  text-align: left;
  color: #ffffff;
  letter-spacing: 1.6px;
}
.oho_con .o_re {
  display: flex;
}
.oho_con .o_re .or_smaile .o_t {
  width: 302px;
  height: 52px;
  border: 1px solid #7a7c82;
  border-radius: 27px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.oho_con .o_re .or_smaile .o_t img {
  width: 25px;
  height: 25px;
  margin-right: 5px;
  display: block;
}
.oho_con .o_re .or_smaile .o_t span {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  color: #ffffff;
}
.oho_con .o_re .or_smaile .o_tr {
  width: 302px;
  height: 52px;
  background: #ed5400;
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.oho_con .o_re .or_smaile .o_tr span {
  font-size: 18px;
  font-weight: 400;
  color: #ffffff;
  display: block;
  margin-right: 10px;
}
.oho_con .o_re .or_smaile .o_tr img {
  width: 28px;
  height: 24px;
}
.oho_con .o_re .or_smaire {
  width: 98px;
  height: 115px;
  background: #ffffff;
  margin-left: 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.oho_con .o_re .or_smaire img {
  width: 75px;
  height: 75px;
}
.oho_con .o_re .or_smaire span {
  font-size: 12px;
  font-weight: 400;
  text-align: center;
  color: #141414;
}
.enigant {
  width: 100%;
}
.enigant .eng_cont {
  width: 1200px;
  margin: 0 auto;
}
.enigant .eng_cont .en_top {
  padding-top: 50px;
}
.enigant .eng_cont .en_top span {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  color: #333333;
  display: block;
  margin-bottom: 10px;
}
.enigant .eng_cont .en_top i {
  font-weight: 400;
  text-align: center;
  color: #888888;
  display: block;
}
.enigant .eng_btn {
  width: 1200px;
  margin: 0 auto;
  margin-top: 40px;
  display: flex;
}
.enigant .eng_btn .eng_l {
  width: 578px;
  height: 465px;
}
.enigant .eng_btn .eng_l a {
  display: block;
  width: 578px;
  height: 465px;
}
.hover button.info {
  margin: 200px auto;
  padding: 0 40px;
  text-align: center;
  line-height: 42px;
  height: 42px;
  border: 1px solid #ffffff;
}
.img-responsive {
  height: 465px;
}
.eng_r {
  margin-left: 8px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.eng_r a {
  width: 305px;
  height: 229px;
  display: flex;
}
.eng_r .overlay {
  width: 305px !important;
  height: 229px !important;
}
.eng_r .img-responsive {
  width: 305px !important;
  height: 229px !important;
}
.eng_r .info {
  margin: 100px auto !important;
}
.back_ur {
  width: 100%;
  height: 444px;
  background: url(../images/bg_opt.png) no-repeat;
  background-size: cover;
  margin-top: 40px;
  position: relative;
  margin-bottom: 420px;
}
.baack_top {
  padding-top: 85px;
}
.baack_top span {
  font-size: 38px;
  font-weight: bold;
  text-align: center;
  color: #f9f9f9;
  display: block;
  margin-bottom: 5px;
}
.baack_top i {
  font-size: 16px;
  font-weight: 400;
  text-align: center;
  display: block;
  color: #F9F9F9;
}
.back_butn {
  width: 1200px;
  height: 600px;
  background: rgba(255, 255, 255, 0.5);
  margin: 0 auto;
  position: absolute;
  top: 190px;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back_butn .back_content {
  width: 1162px;
  height: 559px;
  background: #f9f9f9;
  display: flex;
}
.back_butn .back_content .back_le {
  padding-left: 42px;
  padding-top: 67px;
}
.back_butn .back_content .back_le span {
  font-size: 30px;
  font-weight: 700;
  color: #333333;
  letter-spacing: 3px;
}
.back_butn .back_content .back_le .back_form {
  width: 508px;
  margin-top: 52px;
}
.back_butn .back_content .back_le .back_form form {
  display: flex;
  flex-wrap: wrap;
}
.back_butn .back_content .back_le .back_form form input[type='text'] {
  width: 223px;
  height: 42px;
  border: 1px solid rgba(0, 0, 0, 0.07);
  outline: none;
  padding-left: 13px;
  margin-right: 11px;
  margin-bottom: 10px;
}
.back_butn .back_content .back_le .back_form form textarea {
  width: 495px;
  height: 98px;
  border: 1px solid rgba(0, 0, 0, 0.07);
  resize: none;
  padding-left: 13px;
  outline: none;
  padding-top: 20px;
  font-family: initial;
}
.back_butn .back_content .back_le .back_form form button {
  width: 149px;
  height: 45px;
  background: #ed5400;
  font-weight: 400;
  text-align: center;
  color: #ffffff;
  line-height: 45px;
  border: none;
  margin-top: 18px;
  cursor: pointer;
}
.back_butn .back_content .back_re {
  width: 539px;
  height: 373px;
  margin-left: 32px;
  margin-top: 96px;
}
.back_butn .back_content .back_re img {
  width: 539px;
  height: 373px;
}