.about {
  padding: 130px 0 40px
}

.about h3 {
  font-size: 40px;
  color: #212121;
  font-weight: 700;
  line-height: 1;
  position: relative;
  z-index: 20
}

.about h3::before {
  display: block;
  content: 'ABOUT LEXSONG';
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  top: -38px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0
}

.about h3::after {
  display: block;
  content: '';
  width: 80px;
  height: 2px;
  background: #2e9639;
  margin: 10px auto 0 0
}

.about .txt {
  margin: 40px 0 0;
  line-height: 36px;
  font-size: 17px;
  color: #666
}

.about .txt *+* {
  margin-top: 60px
}

.about ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap
}

.about ul li {
  width: calc(50% - 30px);
  padding: 80px 0 54px;
  border-bottom: 2px solid #ddd;
  display: flex
}
.about ul li:last-child{width:100%}
.about ul li .ico {
  width: 124px;
  text-align: center
}

.about ul li .t {
  flex: 1;
  margin-left: 17px
}

.about ul li .t h5 {
  font-size: 20px;
  font-weight: 700;
  color: #212121;
  line-height: 1
}

.about ul li .t p {
  font-size: 15px;
  color: #666;
  line-height: 29px;
  margin: 20px 0 0
}

.about2 {
  padding: 30px 0 0;
  text-align: center
}

.about2 .wp {
  border-bottom: 1px solid #e9e9e9;
  padding-bottom: 80px
}

.about2 h5 {
  font-size: 34px;
  color: #212121;
  font-weight: 700;
  line-height: 1.47;
  position: relative;
  margin: 50px 0 0
}

.about2 h5::after {
  display: block;
  content: 'Contact us';
  font-weight: 700;
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  right: 0;
  top: -35px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0
}

.about2 h5 strong {
  font-weight: 600
}

.about2 .form-box {
  margin: 23px auto 0;
  width: 620px;
  position: relative;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center
}

.about2 .submit_text {
  width: 100%;
  height: 80px;
  line-height: 80px;
  color: #666;
  padding: 0 90px 0 10px;
  font-size: 17px;
  font-weight: 500;
  background: #fff;
  border-bottom: 2px solid #f0f0f0
}

.about2 input::-webkit-input-placeholder,.about2 input::-moz-placeholder {
  color: #666;
  opacity: 1
}

.about2 .submit_btn {
  position: absolute;
  right: 0;
  top: 0;
  background: 0 0;
  width: 80px;
  height: 80px;
  display: block;
  cursor: pointer;
  text-align: center
}

.about2 .submit_btn i {
  font-size: 35px;
  color: #50a9b5
}

.about2 ul {
  margin: 120px 0 0;
  display: flex;
  flex-wrap: wrap
}

.about2 ul li {
  width: 33.333333%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative
}

.about2 ul li::after {
  content: "";
  position: absolute;
  right: 0;
  top: 13px;
  bottom: 13px;
  background: #ccc;
  width: 1px
}

.about2 ul li:first-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  bottom: 13px;
  background: #ccc;
  width: 1px
}

.about2 p {
  margin: 40px 0 0;
  text-align: left;
  line-height: 36px;
  font-size: 17px;
  color: #666
}

.about3 {
  padding: 100px 0 40px
}

.about3 h3 {
  font-size: 40px;
  color: #212121;
  font-weight: 700;
  line-height: 1;
  position: relative;
  z-index: 20
}

.about3 h3::before {
  display: block;
  content: 'Why choose us';
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  top: -38px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0
}

.about3 h3::after {
  display: block;
  content: '';
  width: 80px;
  height: 2px;
  background: #2e9639;
  margin: 10px auto 0 0
}

.about3 ul {
  margin: 60px -20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap
}

.about3 ul li {
  width: 33.33333%;
  padding: 0 20px
}

.about3 ul li .box {
  border: 1px solid #ddd;
  padding: 60px 40px;
  height: 100%
}
  .about3 ul li .h1{
  margin: 15px 0 0 0;
    font-size: 20px;
    font-weight: 600;
  }

.about3 ul li p {
  margin: 15px 0 0;
  line-height: 36px;
  font-size: 17px;
  color: #666
}

.about3 ul li:hover .box {
  border-color: #2e9639;
}

.about3 dl {
  margin: 80px 0 0;
  display: flex;
  flex-wrap: wrap
}

.about3 dl dd {
  width: 25%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative
}

.about3 dl dd::after {
  content: "";
  position: absolute;
  right: 0;
  top: 35px;
  bottom: 35px;
  background: #ccc;
  width: 1px
}

.about3 dl dd:first-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 35px;
  bottom: 35px;
  background: #ccc;
  width: 1px
}

.history {
  padding: 80px 0 30px
}

.history h3 {
  font-size: 40px;
  color: #212121;
  font-weight: 700;
  line-height: 1;
  position: relative;
  z-index: 20
}

.history h3::before {
  display: block;
  content: 'Company history';
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  top: -38px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0
}

.history h3::after {
  display: block;
  content: '';
  width: 80px;
  height: 2px;
  background: #2e9639;
  margin: 10px auto 0 0
}

.history .box {
  margin: 70px 0 0;
  //background: url(../images/ibg1.jpg) no-repeat center;
  padding: 36px 65px;
  display: flex;
  background: #2e9639;
}

.history .tab {
  width: 389px
}

.history .tab ul {
}

.history .tab ul li {
  line-height: 109px;
  border-bottom: 2px solid rgba(255,255,255,.5);
  padding: 0 0 0 44px;
  font-size: 36px;
  font-weight: 700;
  color: #67a7b3;
  cursor: pointer;
  text-shadow: #fff 1px 0 0,#fff 0 1px 0,#fff -1px 0 0,#fff 0 -1px 0
}

.history .tab ul li:hover,.history .tab ul li.active {
  text-shadow: none;
  color: #fff
}

.history .content {
  flex: 1;
  margin-left: 80px
}

.history .item {
  font-size: 16px;
  line-height: 36px;
  color: #fff;
  display: none
}

.history .item p~p {
  margin-top: 35px
}

.factory {
  padding: 95px 0
}

.factory h3 {
  font-size: 40px;
  color: #212121;
  font-weight: 700;
  line-height: 1;
  position: relative;
  z-index: 20
}

.factory h3::before {
  display: block;
  content: 'Factory environment';
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  top: -38px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0
}

.factory h3::after {
  display: block;
  content: '';
  width: 80px;
  height: 2px;
  background: #2e9639;
  margin: 10px auto 0 0
}

.factory .list {
  margin: 60px 0 0;
  position: relative
}

.factory .swiper-slide {
  text-align: center
}

.factory .swiper-slide .pic {
  width: 100%;
  display: block
}

.factory .swiper-slide img {
  width: 100%
}

.factory .swiper-slide p {
  font-size: 18px;
  color: #212121;
  line-height: 32px;
  font-weight: 700;
  margin: 23px 0 0
}

.factory .bot {
  display: flex;
  align-items: center;
  width: 980px;
  margin: 50px auto 0
}

.factory .tips {
  flex: 1;
  margin-left: 20px;
  overflow: hidden
}

.factory .swiper-pagination-progressbar.swiper-pagination-horizontal {
  position: static;
  width: 100%;
  height: 2px;
  background: #c9d2d7
}

.factory .swiper-pagination-progressbar .swiper-pagination-progressbar-fill {
  background: #000;
  top: 0;
  height: 2px
}

.factory .bot .page {
  font-size: 0
}

.factory .swiper-button-prev,.factory .swiper-button-next {
  position: static;
  width: 20px;
  height: 20px;
  line-height: 20px;
  overflow: hidden;
  background: 0 0;
  margin-top: 0;
  text-align: center;
  color: #202020;
  display: inline-block;
  border-radius: 0
}

.factory .swiper-button-next::after,.factory .swiper-button-prev::after {
  display: none
}

.factory .swiper-button-prev i,.factory .swiper-button-next i {
  color: inherit;
  font-size: 18px;
  display: inline-block
}

.factory .swiper-button-prev,.factory .swiper-container-rtl .swiper-button-next {
}

.factory .swiper-button-next,.factory .swiper-container-rtl .swiper-button-prev {
  margin-left: 8px
}

.factory .swiper-button-prev:hover,.factory .swiper-button-next:hover {
  color: var(--active-color)
}


@media screen and (max-width: 1441px) {

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 90px
  }

  .about h3,.about3 h3,.history h3,.factory h3 {
      font-size: 38px
  }


  .about2 h5 {
      font-size: 32px
  }

  .about {
      padding: 110px 0 40px
  }

  .about2 ul {
      margin: 100px 0 0
  }
}

@media screen and (max-width: 1367px) {

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 80px
  }

  .about2 h5 {
      font-size: 30px
  }

  .about h3,.about3 h3,.history h3,.factory h3 {
      font-size: 36px
  }

  .about {
      padding: 90px 0 40px
  }

  .about .txt {
      margin: 30px 0 0;
      line-height: 32px
  }

  .about .txt *+* {
      margin-top: 30px
  }

  .about ul li {
      padding: 70px 0 50px
  }

  .about2 .wp {
      padding-bottom: 70px
  }

  .about2 h5 {
      margin: 40px 0 0
  }

  .about2 ul {
      margin: 80px 0 0
  }

  .about2 ul li img {
      max-width: 80%
  }

  .about2 p {
      margin: 30px 0 0;
      line-height: 32px
  }

  .about3 {
      padding: 80px 0 30px
  }

  .about3 ul li .box {
      padding: 50px 30px
  }

  .about3 ul li p {
      margin: 30px 0 0;
      line-height: 32px
  }

  .about3 dl {
      margin: 60px 0 0
  }

  .history .box {
      padding: 30px 50px
  }

  .history .tab ul li {
      padding: 0 0 0 35px;
      font-size: 34px
  }

  .history .content {
      margin-left: 70px
  }

  .history .item {
      line-height: 32px
  }

  .history .item p~p {
      margin-top: 25px
  }
}

@media screen and (max-width: 1281px) {

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 70px
  }

  .about2 h5 {
      font-size: 28px
  }

  .about h3,.about3 h3,.history h3,.factory h3 {
      font-size: 34px
  }

  .about2 .wp {
      padding-bottom: 60px
  }

  .about2 ul {
      margin: 60px 0 0
  }

  .about2 ul li img {
      max-width: 70%
  }

  .history .box {
      padding: 30px
  }

  .history .tab {
      width: 350px
  }

  .history .tab ul li {
      padding: 0 0 0 25px;
      font-size: 32px
  }

  .history .content {
      margin-left: 60px
  }
}

@media screen and (max-width: 1171px) {

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 60px
  }

  .about h3,.about3 h3,.history h3,.factory h3 {
      font-size: 32px
  }

  .about3 ul {
      margin: 50px -10px 0
  }

  .about3 ul li {
      padding: 0 10px
  }

  .about3 ul li .box {
      padding: 40px 20px
  }

  .history .box {
      background-size: cover;
      margin: 60px 0 0
  }

}

@media screen and (max-width: 992px) {

  .about ul li {
      width: 100%;
      padding: 40px 0
  }

  .about3 ul {
      margin: 40px -10px 0;
      justify-content: center
  }

  .about3 ul li {
      width: 50%;
      padding: 10px
  }

  .about3 dl {
      margin: 50px 0 0
  }

  .about3 dl dd:first-child::before,.about3 dl dd::after {
      top: 15px;
      bottom: 15px
  }

  .about3 dl dd img {
      max-height: 80px
  }
}

@media screen and (max-width: 768px) {

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 50px
  }

  .about2 h5 {
      font-size: 26px
  }
}

@media screen and (max-width: 768px) {

  .about h3,.about3 h3,.history h3,.factory h3 {
      font-size: 24px
  }

  .about {
      padding: 40px 0 0
  }

  .about h3 {
      text-align: center
  }

  .about h3::before {
      left: 0;
      right: 0;
      text-align: center;
      top: -20px
  }

  .about h3::after {
      margin: 10px auto 0
  }

  .about .txt {
      margin: 20px 0 0;
      line-height: 26px
  }

  .about .txt *+* {
      margin-top: 20px
  }

  .about ul li {
      padding: 30px 0
  }

  .about ul li .t p {
      line-height: 24px;
      margin: 15px 0 0
  }

  .about2 .wp {
      padding-bottom: 30px
  }

  .about2 .form-box {
      width: 100%
  }

  .about2 ul {
      margin: 35px 0 0
  }

  .about2 p {
      margin: 25px 0 0;
      line-height: 28px
  }

  .about3 {
      padding: 40px 0 10px
  }

  .about3 h3 {
      text-align: center
  }

  .about3 h3::before {
      left: 0;
      right: 0;
      text-align: center;
      top: -20px
  }

  .about3 h3::after {
      margin: 10px auto 0
  }

  .about3 dl {
      margin: 30px 0 0
  }

  .about3 ul {
      margin: 24px 0 0
  }

  .about3 ul li {
      width: 100%;
      padding: 6px 0
  }

  .about3 ul li .box {
      padding: 20px
  }

  .about3 ul li p {
      margin: 20px 0 0;
      line-height: 28px
  }

  .history {
      padding: 50px 0 10px
  }

  .history h3 {
      text-align: center
  }

  .history h3::before {
      left: 0;
      right: 0;
      text-align: center;
      top: -20px
  }

  .history h3::after {
      margin: 10px auto 0
  }

  .history .box {
      margin: 35px 0 0;
      display: block;
      padding: 25px 20px
  }

  .history .tab {
      width: 100%
  }

  .history .tab ul {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      text-align: center
  }

  .history .tab ul li {
      padding: 0;
      font-size: 28px;
      width: 50%;
      border-bottom: none;
      line-height: 50px
  }

  .history .tab ul li:last-child {
      width: 100%
  }

  .history .content {
      margin: 30px 0 0
  }

  .history .item {
      line-height: 28px
  }

  .history .item p~p {
      margin-top: 15px
  }

  .factory {
      padding: 40px 0
  }

  .factory h3 {
      text-align: center
  }

  .factory h3::before {
      left: 0;
      right: 0;
      text-align: center;
      top: -20px
  }

  .factory h3::after {
      margin: 10px auto 0
  }

  .factory .list {
      margin: 30px 0 0
  }

  .factory .swiper-slide p {
      font-size: 17px;
      line-height: 28px;
      margin: 20px 0 0
  }

  .factory .bot {
      width: 100%;
      margin: 30px auto 0
  }
}

@media screen and (max-width: 576px) {

  .about2 h5 {
      font-size: 24px
  }

  .about h3::before,.about2 h5::after,.about3 h3::before,.history h3::before,.factory h3::before {
      font-size: 30px
  }

  .about3 dl {
      margin: 20px 0 0
  }

  .about3 dl dd {
      width: 50%;
      padding: 10px 0
  }

  .about3 dl dd:first-child::before,.about3 dl dd::after {
      display: none
  }

  .about3 dl dd:nth-child(2n+1)::after {
      display: block
  }
}

@media screen and (max-width: 480px) {

  .about2 h5 {
      font-size: 22px
  }

  .about .pic {
      width: 320px;
      height: 192px;
      background-size: 320px 192px;
      padding: 14px 0 0 22px
  }

  .about .pic .v {
      width: 277px
  }
      .about .txt {
        margin: 10px 0 0;
        line-height: 24px;
        font-size: 12px;
    }
      .about ul li {
        padding: 30px 0;
        display: flex;
        flex-direction: column;
    }
  .about ul li .t p{
  font-size:12px !important;
  }
      .about3 ul li p {
        margin: 10px 0 0;
        font-size: 12px;
        line-height: 24px;
    }
  
  .history .content{
  margin:0
  }
  
}