.flex {
  display: flex;
}

.g_w2 {
  max-width: 1500px;
  margin: 0 auto;
}

@media (max-width: 1680px) {
  .g_w2 {
    padding: 0 5%;
  }
}

.lanson .ls-title {
  font-size: 52px;
  text-align: center;
  font-weight: bold;
}

.lanson .ls-content {
  text-align: center;
  font-size: 24px;
  line-height: 2.1;
}

.lanson .ls-img {
  display: block;
  width: 100%;
}

.lanson .n_banner .n_banner_text {
  text-align: left;
  top: 45%;
}

.lanson .n_banner .n_banner_text span,
.lanson .n_banner .n_banner_text p {
  font-size: 60px;
  color: #fff;
  font-weight: bold;
  margin: 0;
}

.lanson .lanson-item1 {
  background: url(../images/lanson/lanson-sec1-bg.jpg) no-repeat center;
  background-size: cover;
  padding: 100px 0 60px;
}

.lanson .lanson-item1 .ls-content {
  text-align: center;
  margin: 40px 0;
}

.lanson .lanson-item2 {
  background: url(../images/lanson/lanson-sec2-bg.jpg) no-repeat center;
  background-size: cover;
  color: #fff;
  height: 900px;
}

.lanson .lanson-item2 .g_w {
  height: 100%;
  display: flex;
  align-items: center;
}

.lanson .lanson-item2 .ls-title,
.lanson .lanson-item2 .ls-content {
  text-align: left;
}

.lanson .lanson-item2 .ls-title {
  margin-bottom: 75px;
}

.lanson .lanson-item3 {
  background: #e5e9f5;
  padding: 118px 0;
}

.lanson .lanson-item3 .ls-content {
  margin-top: 44px;
}

.lanson .lanson-item3 .swiper-container {
  margin-top: 40px;
}

.lanson .lanson-item3 .swiper-container .imgPos {
  position: relative;
  display: block;
  width: 100%;
  padding-top: 141%;
}

.lanson .lanson-item3 .swiper-container .imgPos .imgBox {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 20px;
}

.lanson .lanson-item3 .swiper-container .imgPos:hover .centerBox {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.lanson .lanson-item3 .swiper-container .centerBox {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.3);
  width: 130px;
  height: 130px;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  transition: .6s all ease;
  z-index: 20;
}

.lanson .lanson-item3 .swiper-container .centerBox i {
  font-size: 36px;
}

.lanson .lanson-item3 .swiper-container .centerBox span {
  display: block;
  text-align: center;
  font-size: 22px;
  margin-top: 4px;
}

.lanson .lanson-item3 .swiper-tool {
  position: relative;
  margin: 80px auto 0;
  width: 600px;
}

.lanson .lanson-item3 .swiper-tool .swiper-scrollbar {
  position: relative;
  height: 1px;
  background: #cccccc;
}

.lanson .lanson-item3 .swiper-tool .swiper-scrollbar .swiper-scrollbar-drag {
  height: 6px;
  background: #7b8fab;
  top: -5px;
}

.lanson .lanson-item4 {
  background: url(../images/lanson/lanson-sec4-bg.jpg) no-repeat center;
  background-size: cover;
  padding: 230px 0 210px;
}

.lanson .lanson-item4 .g_w {
  display: flex;
  justify-content: space-between;
}

.lanson .lanson-item4 .left {
  width: 44.86%;
}

.lanson .lanson-item4 .left img {
  display: block;
  width: 100%;
}

.lanson .lanson-item4 .right {
  width: 360px;
}

.lanson .lanson-item4 .right .ls-title {
  margin-top: 18px;
}

.lanson .lanson-item4 .right .ls-content {
  margin-top: 65px;
  text-align: right;
}

.lanson .lanson-item5 {
  background: url(../images/lanson/lanson-sec5-bg.jpg) no-repeat center;
  background-size: cover;
  height: 860px;
}

.lanson .lanson-item5 .g_w {
  height: 100%;
  display: flex;
  align-items: center;
}

.lanson .lanson-item5 .box {
  width: 93.46%;
  margin: 0 auto;
}

.lanson .lanson-item5 .ls-title {
  color: #fff;
  text-align: left;
}

.lanson .lanson-item5 .ls-content {
  color: #fff;
  margin-top: 55px;
  text-align: left;
  width: 725px;
}

.lanson .lanson-item6 {
  background: #e4e9f5;
  padding: 120px 0;
}

.lanson .lanson-item6 .ls-title {
  margin-bottom: 45px;
}

.lanson .lanson-item6 img {
  display: block;
  max-width: 100%;
  margin: 85px auto 0;
}

.lanson .lanson-item7 {
  padding-top: 125px;
}

.lanson .lanson-item7 .g_w {
  max-width: 1640px;
}

.lanson .lanson-item7 .ls-content {
  margin: 50px 0 60px;
}

.lanson .lanson-item7 .btnList {
  flex-wrap: wrap;
  justify-content: center;
}

.lanson .lanson-item7 .btnList li {
  width: 100px;
  height: 40px;
  font-size: 18px;
  color: #696e75;
  border-radius: 20px;
  border: solid 1px rgba(159, 159, 159, 0.3);
  text-align: center;
  line-height: 40px;
  cursor: pointer;
  margin-bottom: 10px;
}

.lanson .lanson-item7 .btnList li:not(:last-child) {
  margin-right: 10px;
}

.lanson .lanson-item7 .btnList li:hover {
  color: #fff;
  background: #1556a0;
}

.lanson .lanson-item7 .btnList li.active {
  color: #fff;
  background: #1556a0;
}

.lanson .lanson-item7 .tabBox {
  padding: 120px 0 230px;
  overflow: hidden;
}

.lanson .lanson-item7 .tabBox .tabItem {
  display: none;
}

.lanson .lanson-item7 .tabBox .tabItem > .flex {
  flex-wrap: wrap;
}

.lanson .lanson-item7 .tabBox .tabItem .imgBox {
  width: 50%;
  display: flex;
}

.lanson .lanson-item7 .tabBox .tabItem .imgBox .imgPos {
  margin: 0 auto;
  position: relative;
}

.lanson .lanson-item7 .tabBox .tabItem .imgBox .mainImg {
  position: relative;
  display: block;
  max-width: 100%;
}

.lanson .lanson-item7 .tabBox .tabItem .imgBox .shadowImg {
  position: absolute;
  top: 100%;
  left: 0;
  max-width: 100%;
  -webkit-mask: linear-gradient(180deg, transparent, transparent 80%, #000);
  mask: linear-gradient(180deg, transparent, transparent 80%, #000);
  opacity: .1;
  transform: rotate(180deg) scaleX(-1);
  transform-origin: center;
}

.lanson .lanson-item7 .tabBox .tabItem .textBox {
  width: 50%;
}

.lanson .lanson-item7 .tabBox .tabItem .textBox .box {
  padding-left: 15%;
}

.lanson .lanson-item7 .tabBox .tabItem .textBox .box .tab-title {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 60px;
}

.lanson .lanson-item7 .tabBox .tabItem .textBox .box .tab-item {
  font-size: 20px;
  line-height: 1.8;
}

.lanson .lanson-item7 .tabBox .tabItem .textBox .box .tab-item .tab-item-title {
  margin-right: 24.375%;
  min-width: 100px;
}

.lcd .lcd-item1 {
  background: url(../images/lanson/lcd-item1-bg.jpg) no-repeat center;
  background-size: cover;
  padding-top: 80px;
}

.lcd .lcd-item1 .g_w2 {
  justify-content: space-between;
  align-items: center;
}

.lcd .lcd-item1 .left {
  width: 450px;
  flex-shrink: 0;
}

.lcd .lcd-item1 .left .ls-title {
  letter-spacing: 0;
  text-align: left;
}

.lcd .lcd-item1 .left .ls-content {
  text-align: left;
  margin-top: 50px;
}

.lcd .lcd-item1 .right {
  position: relative;
}

.lcd .lcd-item1 .right img {
  display: block;
  width: 100%;
}

.lcd .lcd-item1 .right .leftImg {
  display: block;
  width: 100%;
  position: relative;
  z-index: 3;
  animation-delay: .5s;
}

.lcd .lcd-item1 .right .rightImg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  animation-delay: .5s;
}

.lcd .lcd-item1 .right .bgImg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  animation-delay: 2s;
}

.lcd .lcd-item2 {
  background: url(../images/lanson/lcd-item2-bg.jpg) no-repeat center;
  background-size: cover;
  height: 900px;
}

.lcd .lcd-item2 .g_w {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.lcd .lcd-item2 .ls-title, .lcd .lcd-item2 .ls-content {
  color: #fff;
  text-align: right;
}

.lcd .lcd-item2 .ls-content {
  width: 505px;
  font-weight: 100;
  margin-top: 50px;
}

.lcd .lcd-item3 {
  background: url(../images/lanson/lcd-item3-bg.jpg) no-repeat center bottom;
  background-size: cover;
  height: 1100px;
  padding-top: 130px;
}

.lcd .lcd-item3 .ls-content {
  margin: 45px 0;
}

.lcd .lcd-item4 {
  position: relative;
  padding-top: 190px;
}

.lcd .lcd-item4 .left {
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.lcd .lcd-item4 .left .ls-title {
  text-align: left;
}

.lcd .lcd-item4 .left .ls-content {
  text-align: left;
  margin-top: 75px;
  width: 41.43%;
}

.lcd .lcd-item4 .rightImg {
  display: block;
  width: 53.9%;
  margin-left: auto;
}

.lcd .lcd-item5 {
  background: url(../images/lanson/lcd-item5-bg.jpg) no-repeat center;
  background-size: cover;
  height: 900px;
}

.lcd .lcd-item5 .g_w {
  height: 100%;
  display: flex;
  align-items: center;
}

.lcd .lcd-item5 .ls-title {
  text-align: left;
}

.lcd .lcd-item5 .ls-content {
  margin-top: 75px;
  text-align: left;
}

.lcd .lcd-item6 {
  background: url(../images/lanson/lcd-item6-bg.png) no-repeat center;
  background-size: cover;
  padding-top: 188px;
  position: relative;
}

.lcd .lcd-item6 .box {
  position: absolute;
  left: 0;
  top: 100px;
  width: 100%;
}

.lcd .lcd-item6 .ls-title {
  margin-bottom: 55px;
}

.lcd .lcd-item7 {
  padding: 145px 0 50px;
}

.lcd .lcd-item7 .box {
  margin-top: 125px;
  display: flex;
  justify-content: center;
}

.lcd .lcd-item7 .box .left {
  width: 475px;
}

.lcd .lcd-item7 .box .right {
  margin-left: 19.25%;
  width: 41.12%;
}

.lcd .lcd-item7 .box .right .item-title {
  font-size: 40px;
}

.lcd .lcd-item7 .box .right .itemBox {
  margin-top: 40px;
  font-size: 20px;
  line-height: 1.75;
}

.lcd .lcd-item7 .box .right .itemBox .item {
  display: flex;
  justify-content: space-between;
}

.lcd .lcd-item7 .box .right .itemBox .item span {
  display: block;
}

.lcd .lcd-item7 .box .right .itemBox .item span:first-child {
  width: 160px;
}

.lcd .lcd-item7 .box .right .itemBox .item span:last-child {
  width: 260px;
  text-align: left;
}

@media (max-width: 1540px) {
  .lcd .lcd-item6 {
    padding-top: 200px;
  }
  .lcd .lcd-item6 .box {
    top: 40px;
  }
  .lcd .lcd-item6 .ls-title {
    margin-bottom: 20px;
  }
}

@media (max-width: 1280px) {
  .lanson .n_banner .n_banner_text p, .lanson .n_banner .n_banner_text span {
    display: block;
    font-size: 40px;
  }
  .lanson .ls-title {
    font-size: 40px;
    text-align: center;
    font-weight: bold;
  }
  .lanson .ls-content {
    text-align: center;
    font-size: 20px;
    line-height: 2.1;
  }
  .lcd .lcd-item2, .lcd .lcd-item3, .lcd .lcd-item5 {
    height: 100vh;
  }
}

@media screen and (max-width: 992px) {
  .lanson .n_banner .n_banner_text p, .lanson .n_banner .n_banner_text span {
    display: block;
    font-size: 40px;
    max-width: 100%;
  }
  .lanson .lanson-item2, .lanson .lanson-item5 {
    height: 100vh;
  }
  .lanson .lanson-item3 .swiper-tool {
    width: 100%;
  }
  .lanson .lanson-item4 {
    padding: 120px 0;
  }
  .lanson .lanson-item4 .g_w {
    flex-wrap: wrap;
  }
  .lanson .lanson-item4 .left {
    width: 100%;
    order: 2;
    margin-top: 40px;
  }
  .lanson .lanson-item4 .right {
    width: 100%;
  }
  .lanson .lanson-item4 .right .ls-content {
    text-align: center;
  }
  .lanson .lanson-item5 .ls-content {
    width: 100%;
  }
  .lanson .lanson-item7 .tabBox {
    padding: 50px 0;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex {
    flex-wrap: wrap;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .imgBox {
    width: 100%;
    order: 2;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .textBox {
    width: 100%;
    margin-bottom: 40px;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .textBox .box {
    padding-left: 0;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .textBox .box .tab-title {
    margin-bottom: 20px;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .textBox .box .tab-item {
    font-size: 18px;
    line-height: 2.2;
  }
  .lanson .lanson-item7 .tabBox .tabItem > .flex .textBox .box .tab-item .tab-item-title {
    margin-right: 10px;
  }
  .lcd .lcd-item1 {
    padding: 100px 0;
  }
  .lcd .lcd-item2 {
    height: 70vh;
  }
  .lcd .lcd-item3 {
    height: auto;
    padding: 100px 0;
  }
  .lcd .lcd-item4 {
    padding: 100px 0;
  }
  .lcd .lcd-item4 .left {
    position: relative;
    left: unset;
    top: unset;
    transform: none;
  }
  .lcd .lcd-item4 .left .ls-content {
    width: 100%;
    margin-top: 40px;
  }
  .lcd .lcd-item4 .rightImg {
    width: 80%;
    margin: 40px auto 0;
  }
  .lcd .lcd-item5 {
    padding: 100px 0;
    height: auto;
  }
  .lcd .lcd-item6 {
    padding: 120px 0 0;
  }
  .lcd .lcd-item6 .box {
    position: relative;
    top: unset;
  }
  .lcd .lcd-item7 {
    padding: 100px 0;
  }
  .lcd .lcd-item7 .box {
    margin-top: 40px;
    flex-wrap: wrap;
  }
  .lcd .lcd-item7 .box .left {
    width: 100%;
  }
  .lcd .lcd-item7 .box .left img {
    width: 50%;
    margin: 0 auto;
  }
  .lcd .lcd-item7 .box .right {
    width: 100%;
    margin-left: 0;
  }
  .lcd .lcd-item7 .box .right .itemBox .item span {
    width: 50% !important;
  }
}

@media screen and (max-width: 640px) {
  .lanson .n_banner .n_banner_text p, .lanson .n_banner .n_banner_text span {
    font-size: 24px;
  }
  .lanson .ls-title {
    font-size: 28px;
  }
  .lcd .lcd-item7 .box .right .itemBox {
    font-size: 16px;
  }
}