.pro_a {
  padding-top: 5.2083%;
}
.pro_a ul li {
  position: relative;
  margin-bottom: 6.25%;
  background-repeat: no-repeat;
}
.pro_a ul li .textbox {
  position: relative;
  z-index: 20;
  float: left;
}
.pro_a ul li .textbox .tlbox .cn {
  font-size: 36px;
  font-weight: 600;
  color: #474443;
  margin-bottom: 30px;
}
.pro_a ul li .textbox .tlbox .en {
  color: rgba(0, 0, 0, 0.12);
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 7px;
}
.pro_a ul li .textbox .d-box {
  background-color: #ffffff;
  padding: 40px 50px 40px 0;
}
.pro_a ul li .textbox .tabbox {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
}
.pro_a ul li .textbox .tabbox .tab {
  padding: 0 40px;
  color: #666666;
  font-size: 16px;
  line-height: 38px;
  -webkit-border-radius: 2px;
     -moz-border-radius: 2px;
          border-radius: 2px;
  border: solid 1px #f0f0f0;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  margin: 0 20px 20px 0;
}
.pro_a ul li .textbox .tabbox .tab:hover {
  background: #0070c0;
  color: #fff;
  border-color: #0070c0;
}
.pro_a ul li .textbox .cont {
  color: #999999;
  line-height: 28px;
  margin-bottom: 30px;
}
.pro_a ul li .textbox .to-btn {
  width: 160px;
  height: 50px;
  background-color: #0070c0;
  -webkit-border-radius: 4px;
     -moz-border-radius: 4px;
          border-radius: 4px;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  text-align: center;
  line-height: 50px;
  color: #fff;
}
.pro_a ul li .imgbox {
  position: absolute;
  width: 100%;
  height: 100%;
  background-position: right center;
  background-repeat: no-repeat;
  z-index: 1;
}
.pro_a ul li .imgbox img {
  display: none;
}
.pro_a ul li:nth-child(2n) .imgbox {
  background-position: left center;
}
.pro_a ul li:nth-child(2n) .textbox {
  float: right;
  right: 0;
  left: auto;
}
.pro_a ul li:nth-child(2n) .textbox .tlbox {
  padding-left: 150px;
}
.pro_a ul li:nth-child(2n) .textbox .d-box {
  padding: 40px 0px 40px 40px;
}
.pro_a ul li:nth-child(1) {
  -webkit-background-size: 56.25% 56.25%;
     -moz-background-size: 56.25%;
          background-size: 56.25%;
  padding: 2% 0;
}
.pro_a ul li:nth-child(1) .textbox {
  width: 50%;
}
.pro_a ul li:nth-child(2) {
  padding: 2% 0;
  -webkit-background-size: 50% 50%;
     -moz-background-size: 50%;
          background-size: 50%;
}
.pro_a ul li:nth-child(2) .textbox {
  width: 56.25%;
}
.pro_a ul li:nth-child(3) {
  -webkit-background-size: 43.75% 43.75%;
     -moz-background-size: 43.75%;
          background-size: 43.75%;
  padding: 8% 0;
}
.pro_a ul li:nth-child(3) .textbox {
  width: 62.5%;
}
.pro_a ul li:nth-child(4) {
  padding: 5% 0;
  -webkit-background-size: 62.5% 62.5%;
     -moz-background-size: 62.5%;
          background-size: 62.5%;
}
.pro_a ul li:nth-child(4) .textbox {
  width: 43.75%;
}
.pro_a ul li:nth-child(5) {
  padding: 5% 0;
  -webkit-background-size: 56.25% 56.25%;
     -moz-background-size: 56.25%;
          background-size: 56.25%;
}
.pro_a ul li:nth-child(5) .textbox {
  width: 50%;
}
.pro_b {
  padding: 5.2083% 0;
}
.pro_b .tlbox {
  margin-bottom: 55px;
}
.pro_b .tlbox .cn {
  color: #474443;
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 26px;
}
.pro_b .tlbox .en {
  font-size: 36px;
  color: rgba(0, 0, 0, 0.12);
  letter-spacing: 7px;
  font-weight: bold;
}
.pro_b .cont {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
     -moz-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-bottom: 20px;
}
.pro_b .cont .lt-box,
.pro_b .cont .rt-box {
  width: 49.375%;
}
.pro_b .cont #imgswiper .swiper-slide {
  height: 500px;
  -webkit-background-size: cover;
     -moz-background-size: cover;
          background-size: cover;
}
.pro_b .cont #imgswiper .swiper-slide img {
  display: none;
}
.pro_b .cont .control-box {
  background-color: #f7f7f7;
  padding: 50px 60px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
     -moz-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.pro_b .cont .control-box .swiper-btn {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.pro_b .cont .control-box .swiper-btn .btn {
  background-color: #999999;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  cursor: pointer;
  position: relative;
}
.pro_b .cont .control-box .swiper-btn .btn img {
  position: relative;
  z-index: 10;
}
.pro_b .cont .control-box .swiper-btn .btn::after {
  content: "";
  background: #0070c0;
  height: 100%;
  width: 0;
  top: 0;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  z-index: 1;
}
.pro_b .cont .control-box .swiper-btn .prev_img {
  margin-right: 36px;
}
.pro_b .cont .control-box .swiper-btn .prev_img::after {
  right: 0;
}
.pro_b .cont .control-box .swiper-btn .next_img::after {
  left: 0;
}
.pro_b .cont .control-box .swiper-btn .btn:hover::after {
  width: 100%;
}
.pro_b .cont .control-box .backbtn {
  width: 120px;
  height: 50px;
  border: solid 1px #e5e5e5;
  text-align: center;
  line-height: 48px;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
}
.pro_b .cont .control-box .backbtn span {
  padding-right: 20px;
  background-image: url(../images/back-icon.png);
  background-position: right center;
  background-repeat: no-repeat;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  color: #999999;
}
.pro_b .cont .control-box .backbtn:hover {
  border-color: #0070c0;
  background: #0070c0;
}
.pro_b .cont .control-box .backbtn:hover span {
  color: #fff;
  background-image: url(../images/back-icon-a.png);
}
.pro_b .cont .rt-box {
  background: #f7f7f7;
  padding: 3.78% 3.78% 0 3.78%;
}
.pro_b .cont .rt-box .stl {
  margin-bottom: 36px;
}
.pro_b .cont .rt-box .stl .cn {
  font-size: 24px;
  color: #4c4c4c;
  margin-bottom: 20px;
}
.pro_b .cont .rt-box .stl .en {
  color: #cccccc;
  letter-spacing: 1px;
}
.pro_b .cont .rt-box .txt {
  color: #999999;
  line-height: 24px;
  height: 96px;
  overflow: auto;
  margin-bottom: 24px;
}
.pro_b .cont .rt-box .tdbox .tdtl {
  font-size: 18px;
  color: #666666;
  margin-bottom: 30px;
}
.pro_b .cont .rt-box .tdbox .tabbox {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
  border: solid 1px #e5e5e5;
}
.pro_b .cont .rt-box .tdbox .tabbox .tab {
  width: 33.3333%;
  -webkit-box-flex: 0;
  -webkit-flex-grow: 0;
     -moz-box-flex: 0;
      -ms-flex-positive: 0;
          flex-grow: 0;
  -webkit-flex-shrink: 0;
      -ms-flex-negative: 0;
          flex-shrink: 0;
  height: 50px;
  line-height: 48px;
  text-align: center;
  color: #999999;
  font-weight: bold;
  -webkit-transition: all 0.4s;
  -o-transition: all 0.4s;
  -moz-transition: all 0.4s;
  transition: all 0.4s;
  border-right: 1px solid #e5e5e5;
  cursor: pointer;
}
.pro_b .cont .rt-box .tdbox .tabbox .tab:last-child {
  border-right: none;
}
.pro_b .cont .rt-box .tdbox .tabbox .tab:hover,
.pro_b .cont .rt-box .tdbox .tabbox .act-tab {
  background: #0070c0;
  border-right-color: #0070c0;
  color: #fff;
}
.pro_b .cont .rt-box .contentbox {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  margin-top: 30px;
}
.pro_b .cont .rt-box .contentbox .changebox .box {
  display: none;
  color: #999999;
  line-height: 24px;
}
.pro_b .cont .rt-box .contentbox .changebox .box .inbox {
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.pro_b .cont .rt-box .contentbox .changebox .box .textbox {
  width: 33.33%;
  -webkit-flex-shrink: 0;
      -ms-flex-negative: 0;
          flex-shrink: 0;
  -webkit-box-flex: 0;
  -webkit-flex-grow: 0;
     -moz-box-flex: 0;
      -ms-flex-positive: 0;
          flex-grow: 0;
  height: 220px;
  overflow: auto;
  padding-right: 3%;
}
.pro_b .cont .rt-box .contentbox .changebox .box .dimgbox {
  width: 66.66%;
}
.pro_b .cont .rt-box .contentbox .changebox .box .dimgbox img {
  width: 100%;
}
.pro_b .cont .rt-box .contentbox .changebox .box:first-child {
  display: block;
}
.pro_b .bigimgbox img {
  width: 100%;
}
@media (min-width: 1260px) {
  .pro_a ul li .textbox .to-btn:hover {
    background-color: #0162a7;
    -webkit-transform: translateY(-5px);
       -moz-transform: translateY(-5px);
        -ms-transform: translateY(-5px);
            transform: translateY(-5px);
  }
  .pro_a ul li .imgbox {
    top: 0;
    -webkit-transition: all .4s;
    -o-transition: all .4s;
    -moz-transition: all .4s;
    transition: all .4s;
  }
  .pro_a ul li:hover .imgbox {
    -webkit-transform: translateY(-5px);
       -moz-transform: translateY(-5px);
        -ms-transform: translateY(-5px);
            transform: translateY(-5px);
  }
  .pro_b .cont .rt-box .txt::-webkit-scrollbar {
    width: 2px;
  }
  .pro_b .cont .rt-box .contentbox .changebox .box::-webkit-scrollbar {
    width: 2px;
  }
}
@media (max-width: 1440px) {
  .pro_a ul li .textbox .tlbox .cn {
    font-size: 30px;
    margin-bottom: 20px;
  }
  .pro_a ul li .textbox .tlbox .en {
    font-size: 30px;
    letter-spacing: 2px;
  }
  .pro_a ul li .textbox .tabbox .tab {
    font-size: 14px;
    padding: 0 16px;
  }
  .pro_a ul li .textbox .to-btn {
    line-height: 44px;
    height: 44px;
  }
  .pro_a ul li:nth-child(1),
  .pro_a ul li:nth-child(2) {
    padding: 0;
  }
  .pro_b .tlbox .cn {
    font-size: 30px;
    margin-bottom: 20px;
  }
  .pro_b .tlbox .en {
    font-size: 30px;
  }
  .pro_b .cont .rt-box .stl .cn {
    font-size: 20px;
    margin-bottom: 15px;
  }
}
@media (max-width: 1366px) {
  .pro_a ul li .textbox .tlbox .cn {
    font-size: 30px;
    margin-bottom: 20px;
  }
  .pro_a ul li .textbox .tlbox .en {
    font-size: 30px;
    letter-spacing: 2px;
  }
  .pro_a ul li .textbox .tabbox .tab {
    font-size: 14px;
    padding: 0 16px;
  }
  .pro_a ul li .textbox .to-btn {
    line-height: 44px;
    height: 44px;
  }
  .pro_a ul li:nth-child(1),
  .pro_a ul li:nth-child(2) {
    padding: 0;
  }
  .pro_a ul li:nth-child(3) {
    padding: 5% 0;
  }
}
@media (max-width: 1280px) {
  .pro_a ul li .textbox .tlbox .en {
    font-size: 24px;
  }
  .pro_a ul li:nth-child(3),
  .pro_a ul li:nth-child(4) {
    padding: 4% 0;
  }
  .pro_b .tlbox .cn {
    font-size: 24px;
    margin-bottom: 15px;
  }
  .pro_b .tlbox .en {
    font-size: 24px;
  }
}
@media (max-width: 1024px) {
  .pro_a ul li .textbox .tlbox .cn {
    font-size: 24px;
    margin-bottom: 14px;
  }
  .pro_a ul li .textbox .tlbox .en {
    font-size: 18px;
  }
  .pro_a ul li .textbox .d-box {
    padding: 25px 30px 25px 0;
  }
  .pro_a ul li:nth-child(3),
  .pro_a ul li:nth-child(4) {
    padding: 0;
  }
  .pro_a ul li:nth-child(2n) .textbox .d-box {
    padding: 25px 0px 25px 25px;
  }
}
@media (max-width: 768px) {
  .pro_a {
    padding: 60px 0 30px;
  }
  .pro_a ul li {
    background: none!important;
    padding: 0!important;
  }
  .pro_a ul li .imgbox {
    width: 100%;
    margin-bottom: 30px;
    position: static;
  }
  .pro_a ul li .imgbox img {
    display: block;
  }
  .pro_a ul li .textbox {
    width: 100%!important;
  }
  .pro_a ul li .textbox .tlbox .cn {
    font-size: 24px;
    margin-bottom: 14px;
  }
  .pro_a ul li .textbox .tlbox .en {
    font-size: 18px;
  }
  .pro_a ul li .textbox .d-box {
    padding: 25px 0;
  }
  .pro_a ul li .textbox .tabbox .tab {
    margin: 0 10px 10px 0;
  }
  .pro_a ul li:nth-child(2n) .textbox .tlbox {
    padding-left: 0;
  }
  .pro_a ul li:nth-child(2n) .textbox .d-box {
    padding: 25px 0px;
  }
  .pro_b {
    padding-bottom: 60px;
  }
  .pro_b .cont {
    display: block;
  }
  .pro_b .cont .lt-box,
  .pro_b .cont .rt-box {
    width: 100%;
  }
  .pro_b .cont .lt-box {
    position: relative;
  }
  .pro_b .cont #imgswiper .swiper-slide {
    height: auto;
    background: none!important;
  }
  .pro_b .cont #imgswiper .swiper-slide img {
    display: block;
  }
  .pro_b .cont #imgSP {
    width: 100%;
    bottom: 10px;
    display: block;
    text-align: center;
    margin-top: 30px;
  }
  .pro_b .cont #imgSP span {
    margin: 0 4px;
  }
  .pro_b .cont #imgSP .swiper-pagination-bullet-active {
    background-color: #0070c0;
  }
  .pro_b .cont .control-box {
    display: none;
  }
  .pro_b .cont .rt-box {
    padding-top: 20px;
  }
  .pro_b .cont .rt-box .stl {
    margin-bottom: 14px;
  }
  .pro_b .cont .rt-box .stl .cn {
    font-size: 18px;
  }
  .pro_b .cont .rt-box .txt {
    height: auto;
  }
  .pro_b .cont .rt-box .contentbox .changebox .box {
    padding-bottom: 10px;
  }
  .pro_b .cont .rt-box .contentbox .changebox .box .inbox {
    -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
  }
  .pro_b .cont .rt-box .contentbox .changebox .box .textbox {
    width: 100%;
    padding-right: 0;
    height: auto;
  }
  .pro_b .cont .rt-box .contentbox .changebox .box .dimgbox {
    width: 100%;
  }
}