.banner {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: auto;
}
.banner .banner_wrap {
  width: 100%;
  padding-bottom: 31.25%;
}
.banner .banner_wrap > img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.banner .on_banner {
  position: absolute;
  top: 211px;
  left: 0;
  width: 100%;
  color: #fff;
}
.banner .on_banner .onbanner_tit {
  font-size: 30px;
  font-weight: 500;
  margin-bottom: 22px;
}
.banner .on_banner .onbanner_dec {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8em;
}
.support {
  padding: 120px 0 238px 0;
  background: #F0F2F5;
}
.support .title {
  text-align: center;
  font-size: 30px;
  margin-bottom: 130px;
}
.support .button_area {
  padding-bottom: 60px;
  border-bottom: 1px solid #d8d8d8;
  margin-bottom: 80px;
}
.support .button_item {
  float: left;
  text-align: center;
  cursor: pointer;
  padding: 33px 0;
  width: 32%;
  -webkit-transition: 0.3s all ease;
  transition: 0.3s all ease;
  background: #F0F2F5;
  -webkit-box-shadow: none;
  box-shadow: none;
}
.support .button_item:nth-child(2) {
  margin: 0 2%;
  position: relative;
}
.support .button_item:nth-child(2):before {
  content: "";
  display: block;
  width: 1px;
  height: 61px;
  position: absolute;
  background: #d8d8d8;
  top: 50%;
  margin-top: -30.5px;
  left: -3.12%;
}
.support .button_item:nth-child(2):after {
  content: "";
  display: block;
  width: 1px;
  height: 61px;
  position: absolute;
  background: #d8d8d8;
  top: 50%;
  margin-top: -30.5px;
  right: -3.12%;
}
.support .button_item .tit {
  margin-top: 20px;
  font-size: 20px;
  line-height: 1.4em;
  font-weight: 400;
  color: rgba(34, 34, 34, 0.5);
}
.support .button_item .support_icon {
  display: inline-block;
  width: 36px;
  height: 36px;
  background: url('../img/support_icon.png') no-repeat;
  -webkit-transition: 0s;
  transition: 0s;
}
.support .button_item .support_icon.icon1 {
  background-position: 0 0;
}
.support .button_item .support_icon.icon2 {
  background-position: -36px 0;
}
.support .button_item .support_icon.icon3 {
  background-position: -72px 0;
}
.support .button_item.cur .tit {
  color: #222222;
}
.support .button_item.cur .support_icon {
  background-position-y: -36px;
}
.support .button_item:hover {
  background: #fff;
  -webkit-box-shadow: 0px 6px 24px 0px rgba(0, 0, 0, 0.1);
  box-shadow: 0px 6px 24px 0px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}
.support .button_item:hover .tit {
  color: #222222;
}
.support .button_item:hover .support_icon {
  background-position-y: -36px;
}
.support .content_item {
  display: none;
}
.support .content_item.cur {
  display: block;
}
.support .content1 {
  padding-bottom: 50%;
  position: relative;
}
.support .content1 > img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.support .content1 .onpic_box {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.support .content1 .onpic_box .onpic_wrap {
  position: absolute;
  top: 50%;
  width: 100%;
  left: 0;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  text-align: center;
  color: #fff;
  font-size: 14px;
}
.support .content1 .onpic_box .onpic_wrap .top_tit {
  margin-bottom: 70px;
}
.support .content1 .onpic_box .onpic_wrap .tit_box {
  display: inline-block;
  font-size: 20px;
  text-align: left;
  margin-left: 17px;
}
.support .content1 .onpic_box .onpic_wrap .tit_box .top {
  font-weight: bold;
}
.support .content1 .onpic_box .onpic_wrap .tit_box .bottom {
  margin-top: 14px;
}
.support .content1 .onpic_box .onpic_wrap .mid_txt {
  line-height: 2em;
}
.support .content1 .onpic_box .onpic_wrap .bottom_btn {
  margin-top: 101px;
}
.support .content1 .onpic_box .onpic_wrap .bottom_btn .btn {
  width: 160px;
  height: 50px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border-radius: 25px;
  border: 1px solid #fff;
  line-height: 50px;
  display: inline-block;
  margin: 0 35px;
  cursor: pointer;
  position: relative;
}
.support .content1 .onpic_box .onpic_wrap .bottom_btn .btn .ewm_download {
  position: absolute;
  bottom: 150%;
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  height: 260px;
  display: none;
}
.support .content1 .onpic_box .onpic_wrap .bottom_btn .btn .ewm_download.show {
  display: block;
}
.support .content2 .search_area {
  position: relative;
}
.support .content2 .search_area .search_bar {
  position: absolute;
  width: 78.33%;
  left: 50%;
  top: 50%;
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
}
.support .content2 .search_area .search_bar .search_input {
  width: 100%;
  height: 64px;
  border: none;
  border-radius: 32px;
  text-indent: 2em;
  font-size: 18px;
}
.support .content2 .search_area .search_bar .search_btn {
  width: 100px;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 0 32px 32px 0;
  border: none;
  background: #f4f4f4;
  cursor: pointer;
}
.support .content2 .qa_area .top_btn {
  margin-top: 60px;
}
.support .content2 .qa_area .btn {
  width: 18%;
  height: 50px;
  border-radius: 23px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #d5d5d5;
  margin: 0 1%;
  float: left;
  text-align: center;
  line-height: 50px;
  font-size: 16px;
  cursor: pointer;
  color: rgba(34, 34, 34, 0.5);
}
.support .content2 .qa_area .btn:hover {
  background: #F75500;
  color: #fff;
  border: none;
}
.support .content2 .qa_area .btn.cur {
  background: #F75500;
  color: #fff;
  border: none;
}
.support .content2 .qa_content {
  margin-top: 80px;
  color: #666;
  display: none;
}
.support .content2 .qa_content.cur {
  display: block;
}
.support .content2 .qa_content .qa_item {
  border-bottom: 1px solid rgba(34, 34, 34, 0.3);
  margin-bottom: 50px;
  cursor: pointer;
}
.support .content2 .qa_content .question {
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 500;
}
.support .content2 .qa_content .answer {
  font-size: 14px;
  line-height: 1.8em;
  padding-bottom: 0;
  height: 0;
  overflow: hidden;
  -webkit-transition: 0.3s all ease;
  transition: 0.3s all ease;
}
.support .content2 .qa_content .answer.show {
  height: auto;
  padding-bottom: 30px;
}
.support .content3 .sms_li {
  padding: 50px 0;
  position: relative;
  border-bottom: 1px solid #222222;
}
.support .content3 .sms_li:last-child {
  border: none;
}
.support .content3 .sms_li .left_mes {
  float: left;
}
.support .content3 .sms_li .left_mes .pro {
  float: left;
  width: 167px;
  height: 100px;
}
.support .content3 .sms_li .left_mes .pro1 {
  background: url('../img/pro1.png') no-repeat center;
}
.support .content3 .sms_li .left_mes .pro2 {
  background: url('../img/pro2.png') no-repeat center;
}
.support .content3 .sms_li .left_mes .pro3 {
  background: url('../img/pro3.png') no-repeat center;
}
.support .content3 .sms_li .left_mes .pro4 {
  background: url('../img/pro4.png') no-repeat center;
}
.support .content3 .sms_li .left_mes .pro5 {
  background: url('../img/pro5.png') no-repeat center;
}
.support .content3 .sms_li .left_mes .mes {
  float: left;
  margin-left: 30px;
}
.support .content3 .sms_li .left_mes .mes_tit {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
  margin-top: 19px;
}
.support .content3 .sms_li .left_mes .mes_dec {
  font-size: 16px;
  font-weight: 400;
}
.support .content3 .sms_li .right_down {
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -25px;
  width: 260px;
  height: 50px;
  background: #F0F2F5;
  border-radius: 25px;
  color: #222;
  text-align: center;
  line-height: 50px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #222;
  cursor: pointer;
}
.support .content3 .sms_li .right_down.cur {
  background: #F75500;
  border: none;
  color: #fff;
}
.support .content3 .sms_li .right_down.cur .download {
  background-position: 0 0;
}
.support .content3 .sms_li .right_down:hover {
  background: #F75500;
  border: none;
  color: #fff;
}
.support .content3 .sms_li .right_down:hover .download {
  background-position: 0 0;
}
.support .content3 .sms_li .right_down .download {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url('../img/download.png') no-repeat;
  background-position: -16px 0;
  vertical-align: -1px;
  margin-right: 20px;
}
.no_answer {
  background: #f4f4f4;
  text-align: center;
  padding: 98px 0 138px 0;
  display: none;
}
.no_answer.cur {
  display: block;
}
.no_answer .tit {
  font-size: 30px;
  color: #222;
  font-weight: 400;
  margin-bottom: 40px;
}
.no_answer .txt {
  font-size: 18px;
  color: #666;
  margin-bottom: 70px;
}
.no_answer .mail {
  color: #f5ad37;
}
.no_answer .contact {
  display: inline-block;
  width: 200px;
  height: 50px;
  border-radius: 25px;
  background: #F75500;
  font-size: 16px;
  color: #fff;
  line-height: 50px;
  cursor: pointer;
}
.no_answer .contact > img {
  vertical-align: middle;
  margin-right: 10px;
  cursor: pointer;
}
.noanswer_mask {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 999;
  display: none;
}
.noanswer_mask.show {
  display: block;
}
.noanswer_mask .mask_back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}
.noanswer_mask > img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
}
@media only screen and (max-width: 1200px) {
  .banner .on_banner .wrap1200 {
    padding: 0 8%;
  }
  .banner .on_banner .onbanner_tit {
    font-size: 24px;
  }
  .banner .on_banner .onbanner_dec {
    font-size: 14px;
  }
  .support .content2 .search_area > img {
    max-width: 100%;
  }
}
@media only screen and (max-width: 1024px) {
  .banner .on_banner {
    top: 105px;
  }
}
@media only screen and (max-width: 800px) {
  .banner .on_banner {
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
  }
  .banner .on_banner .onbanner_tit {
    font-size: 14px;
  }
  .banner .on_banner .onbanner_dec {
    font-size: 12px;
  }
  .support {
    padding: 60px 0 100px 0;
  }
  .support .title {
    margin-bottom: 30px;
  }
  .support .content1 .onpic_box .onpic_wrap .top_tit {
    margin-bottom: 30px;
  }
  .support .content1 .onpic_box .onpic_wrap .bottom_btn {
    margin-top: 30px;
  }
}
@media only screen and (max-width: 800px) {
  .support .content3 .sms_li .left_mes .mes_tit {
    font-size: 14px;
    margin-top: 22px;
  }
  .support .content3 .sms_li .left_mes .mes {
    margin-left: 10px;
  }
}
@media only screen and (max-width: 700px) {
  .support .content3 .sms_li .left_mes {
    width: 100%;
    text-align: center;
  }
  .support .content3 .sms_li .left_mes .pro {
    float: none;
    display: inline-block;
  }
  .support .content3 .sms_li .left_mes .mes {
    float: none;
    display: inline-block;
    vertical-align: 30px;
    text-align: left;
  }
  .support .content3 .sms_li {
    padding: 50px 0 120px;
  }
  .support .content3 .sms_li .right_down {
    top: 175px;
    right: 50%;
    -webkit-transform: translateX(50%);
    transform: translateX(50%);
    margin-top: 0;
  }
  .support {
    padding: 60px 0 0;
  }
  .support .content1 .onpic_box .onpic_wrap .tit_box {
    font-size: 14px;
  }
  .support .content1 .onpic_box .onpic_wrap {
    font-size: 12px;
  }
  .support .content1 .onpic_box .onpic_wrap .tit_box {
    margin-top: 8px;
  }
  .support .button_item .tit {
    font-size: 14px;
  }
  .support .content2 .qa_area .btn {
    font-size: 12px;
  }
  .support .content2 .qa_content .question {
    font-size: 14px;
  }
  .support .content2 .qa_content .answer {
    font-size: 12px;
  }
  .no_answer .tit {
    font-size: 18px;
  }
  .no_answer .txt {
    font-size: 12px;
  }
  .no_answer .contact {
    font-size: 12px;
  }
  .no_answer {
    padding: 50px;
  }
  .support {
    padding-bottom: 30px;
  }
}
@media only screen and (max-width: 500px) {
  .support .button_area {
    margin-bottom: 0;
  }
  .banner {
    display: none;
  }
  .support .content1 {
    padding: 30px 0;
    height: auto;
    background: url('../img/sc_bac.png') no-repeat;
    background-size: cover;
  }
  .support .content1 > img {
    display: none;
  }
  .support .content1 .onpic_box {
    position: static;
  }
  .support .content1 .onpic_box .onpic_wrap {
    position: static;
    -webkit-transform: none;
    transform: none;
  }
  .support .content1 .onpic_box .onpic_wrap .mid_txt {
    text-align: left;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0 4%;
  }
  .support .content1 .onpic_box .onpic_wrap .bottom_btn .btn {
    height: 30px;
    line-height: 30px;
    margin-bottom: 10px;
  }
  .support .content2 .search_area .search_bar .search_input {
    height: 30px;
  }
  .support .content2 .search_area .search_bar .search_btn {
    width: 40px;
  }
  .support .content2 .qa_area .btn {
    width: 31.3%;
    margin-bottom: 10px;
    height: 30px;
    line-height: 30px;
  }
  .no_answer .txt {
    margin-bottom: 30px;
  }
  .support .content3 .sms_li .left_mes .pro {
    height: 85px;
    width: 115px;
  }
  .support .content2 .qa_content {
    margin-top: 20px;
  }
  .support .button_area {
    padding-bottom: 20px;
  }
}