.common_title {
  color: #333333;
  font-size: 36px;
  line-height: 1;
}

.w1200 {
  width: 1200px;
  margin: auto;
}

.advantage .flx {
  margin-top: 2vw;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.advantage .flx > div {
  width: 310px;
}
.advantage .icon {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 150px;
}
.advantage .icon img {
  max-height: 100%;
}
.advantage .tit {
  margin: 2vw 0 1vw;
  line-height: 1;
  font-weight: bold;
  font-size: 22px;
}
.advantage .tit span {
  color: #e96465;
  font-weight: bold;
}
.advantage ul li {
  line-height: 1.625;
  color: #858585;
  position: relative;
  padding-left: 18px;
}
.advantage ul li:before {
  display: block;
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 3px;
  height: 3px;
  background: #333333;
  border-radius: 50%;
}

.apply {
  background-size: cover;
  background-image: url(../images/LinSeer_Hub/bg.jpg);
}
.apply .common_title {
  text-align: center;
}
.apply .description {
  line-height: 1;
  color: #555555;
  margin-top: 1vw;
  text-align: center;
  font-size: 18px;
}
.apply .flx {
  margin-top: 100px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  position: relative;
}
.apply .img {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.apply .l {
  position: relative;
  z-index: 2;
}
.apply .r {
  position: relative;
  z-index: 2;
}

.platform .common_title {
  text-align: center;
}
.platform .box {
  margin-top: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.platform .l {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.platform .l div {
  position: relative;
}
.platform .l div:hover .shadow {
  opacity: 1;
}
.platform img {
  max-width: 100%;
}
.platform .shadow {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  top: 100%;
  opacity: 0;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

.product {
  padding: 80px 0;
  background-size: cover;
  background-image: url(../images/LinSeer_Hub/bg2.jpg);
}
.product .flx {
  margin-top: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.product .flx > div {
  min-height: 344px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 46px 40px;
  width: calc((100% - 40px) / 3);
  margin-right: 20px;
  background: #efefef;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.product .flx > div:nth-child(3n) {
  margin-right: 0;
}
.product .flx > div:nth-child(n+4) {
  margin-top: 20px;
}
.product .tit {
  padding-bottom: 1vw;
  line-height: 1.18;
  font-weight: 700;
  color: #333333;
}
.product .des {
  line-height: 1.7;
  color: #666;
}
.product .more {
  color: #e60012;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  line-height: 1;
}
.product .more img {
  margin-right: 10px;
}

@media screen and (max-width: 1600px) {
  .platform .r {
    width: 18.8%;
  }
  .platform .l {
    width: calc(81.2% - 12px);
  }
  .advantage .icon {
    height: 80px;
  }
  .apply .flx {
    margin-top: 8.33%;
  }
  .apply .l {
    width: 25.8%;
  }
  .apply .r {
    width: 25.8%;
  }
  .apply .img {
    width: 58.5%;
  }
  .platform .box {
    margin-top: 20px;
  }
  .product .flx > div {
    min-height: 230px;
    padding: 25px;
  }
  .product .more {
    margin-top: 20px;
  }
  .product .flx {
    margin-top: 40px;
  }
  .product {
    padding: 4.16% 0;
  }
}
@media screen and (max-width: 14400px) {
  .common_title {
    font-size: 32px;
  }
  .apply .description {
    font-size: 16px;
  }
}
@media screen and (max-width: 1200px) {
  .product .flx {
    margin-top: 20px;
  }
  .advantage .tit {
    font-size: 16px;
  }
  .advantage ul {
    font-size: 14px;
  }
}
@media screen and (max-width: 1000px) {
  .advantage .flx > div {
    width: calc((100% - 40px) / 3);
  }
}
@media screen and (max-width: 768px) {
  .apply .description {
    font-size: 14px;
    margin-top: 15px;
  }
  .common_title {
    font-size: 20px;
  }
  .advantage .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    margin-top: 25px;
  }
  .advantage .flx > div {
    width: 100%;
  }
  .advantage .flx > div:nth-child(n+2) {
    margin-top: 25px;
  }
  .advantage .icon {
    height: 40px;
  }
  .advantage .tit {
    margin: 15px 0 10px;
  }
  .product {
    padding: 40px 0;
  }
  .product .flx > div {
    width: 100%;
    margin-right: 0;
    min-height: inherit;
  }
  .product .flx > div:nth-child(n+2) {
    margin-top: 10px;
  }
}