.banner {
  width: 100%;
  position: relative;
}

.banner img {
  width: 100%;
}

.banner p {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #ffffff;
  font-size: 45px;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .banner p {
    font-size: 16px;
  }
}

.introduce {
  width: 100%;
  padding: 75px 0;
  background-color: #ffffff;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .introduce {
    padding: 20px 0;
  }
}

.introduce p {
  color: #808080;
  font-size: 16px;
  line-height: 26px;
  width: 70%;
  margin: auto;
  margin-top: 50px;
  max-width: 910px;
}

@media screen and (max-width: 768px) {
  .introduce p {
    font-size: 14px;
    width: 90%;
    margin-top: 14px;
  }
}

.challenge {
  width: 100%;
  padding: 74px 0 100px 0;
  background: #F5F5F7;
}

@media screen and (max-width: 768px) {
  .challenge {
    padding: 20px 0;
  }
}

.challenge-content {
  width: 960px;
  margin: auto;
  margin-top: 40px;
}

@media screen and (max-width: 768px) {
  .challenge-content {
    width: 100%;
    margin-top: 20px;
  }
}

.challenge-content-item {
  float: left;
  width: 480px;
  overflow: hidden;
  position: relative;
}

@media screen and (max-width: 768px) {
  .challenge-content-item {
    width: 280px;
    margin: auto;
    float: none;
  }
}

.challenge-content-item img {
  width: 100%;
  transition: all 0.5s;
}

.challenge-content-item-text {
  position: absolute;
  width: 100%;
  top: 50px;
  left: 0;
}

.challenge-content-item-text h5 {
  color: #ffffff;
  font-size: 26px;
  margin: 0 0 58px 0;
  text-align: center;
}

.challenge-content-item-text-list {
  display: flex;
  justify-content: space-evenly;
}

.challenge-content-item-text-list-item {
  text-align: center;
}

.challenge-content-item-text-list-item img {
  width: 60px;
  height: 60px;
}

.challenge-content-item-text-list-item p {
  color: #ffffff;
  font-size: 16px;
  margin-top: 20px;
}

.challenge-content-item:hover {
  cursor: pointer;
}

.challenge-content-item:hover .t {
  transform: scale(1.1);
}

.serve {
  width: 100%;
  padding: 74px 0 100px 0;
}

@media screen and (max-width: 768px) {
  .serve {
    padding: 20px 0;
  }
}

.serve-list {
  width: 1014px;
  margin: auto;
  margin-top: 40px;
}

@media screen and (max-width: 768px) {
  .serve-list {
    width: 100%;
    margin-top: 20px;
  }
}

.serve-list-item {
  width: 323px;
  border: 1px solid #DDDDDD;
  margin-right: 15px;
  float: left;
}

@media screen and (max-width: 768px) {
  .serve-list-item {
    float: none;
    margin: auto;
    margin-bottom: 16px;
  }
}

.serve-list-item:hover {
  cursor: pointer;
}

.serve-list-item:hover .serve-list-item-top img {
  transform: scale(1.2);
}

.serve-list-item:last-child {
  margin-right: 15px;
}

@media screen and (max-width: 768px) {
  .serve-list-item:last-child {
    margin-right: auto;
  }
}

.serve-list-item-top {
  width: 100%;
  height: 175px;
  overflow: hidden;
}

.serve-list-item-top img {
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}

.serve-list-item-bot {
  padding: 16px 12px 10px 12px;
}

.serve-list-item-bot h4 {
  font-size: 15px;
  color: #333333;
  font-weight: bold;
  padding: 0 0 6px 10px;
  border-bottom: 1px solid #DDDDDD;
  margin-bottom: 10px;
}

.serve-list-item-bot p {
  line-height: 24px;
  font-size: 12px;
  color: #808080;
}

.serve-show {
  width: 100%;
  margin-top: 60px;
}

.serve-show-content {
  width: 1000px;
  min-height: 604px;
  background: url("../../products/images/serveshow-bg.png") no-repeat;
  background-size: 100% 100%;
  margin: auto;
  position: relative;
}

.serve-show-content-item {
  min-width: 154px;
  text-align: center;
  position: absolute;
}

.serve-show-content-item img {
  width: 75px;
  height: 75px;
}

.serve-show-content-item p {
  margin: 8px 0 10px 0;
  color: #333333;
  font-size: 16px;
}

.serve-show-content-item span {
  color: #808080;
  font-size: 12px;
  line-height: 22px;
  display: inline-block;
  max-width: 180px;
}

.serve-show-content .t0 {
  top: 300px;
  left: -50px;
}

.serve-show-content .t1 {
  top: 110px;
  left: 0px;
}

.serve-show-content .t2 {
  top: 50px;
  left: 200px;
}

.serve-show-content .t3 {
  top: 50px;
  right: 200px;
}

.serve-show-content .t4 {
  top: 168px;
  right: 0;
}

.serve-show-content .t5 {
  top: 368px;
  right: 62px;
}

.serve-show-content .centerItem {
  position: absolute;
  top: 214px;
  left: 300px;
}

.serve-show-content .centerItem img {
  width: 350px;
  height: 195px;
}

.serve-xsImg {
  width: 175px;
  margin: auto;
  margin-top: 20px;
}

.serve-xsImg img {
  width: 100%;
}

.serve-xsList {
  width: calc(100% - 32px);
  margin: auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 36px;
}

.serve-xsList-item {
  width: 50%;
  text-align: center;
  max-width: 140px;
  margin-bottom: 16px;
}

.serve-xsList-item img {
  width: 45px;
  height: 45px;
}

.serve-xsList-item h4 {
  font-size: 16px;
  color: #333333;
  margin: 12px 0;
}

.serve-xsList-item p {
  color: #808080;
  font-size: 12px;
}

.serveAdvantage {
  width: 100%;
  padding-bottom: 105px;
}

@media screen and (max-width: 768px) {
  .serveAdvantage {
    padding-bottom: 30px;
  }
}

.serveAdvantage-content {
  margin-top: 58px;
  width: 100%;
}

.serveAdvantage-content-item {
  width: 100%;
}

.serveAdvantage-content-item:nth-child(odd) {
  background-color: #F5F5F7;
}

.serveAdvantage-content-item-container {
  width: 760px;
  margin: auto;
  display: flex;
  justify-content: space-around;
}

@media screen and (max-width: 768px) {
  .serveAdvantage-content-item-container {
    width: 100%;
    padding: 20px 0;
  }
}

.serveAdvantage-content-item-container .txt {
  width: 321px;
  align-self: center;
}

@media screen and (max-width: 768px) {
  .serveAdvantage-content-item-container .txt {
    width: 50%;
  }
}

.serveAdvantage-content-item-container .txt p {
  font-size: 22px;
  color: #333333;
  margin-bottom: 28px;
}

@media screen and (max-width: 768px) {
  .serveAdvantage-content-item-container .txt p {
    font-size: 16px;
    margin-bottom: 8px;
  }
}

.serveAdvantage-content-item-container .txt span {
  color: #808080;
  font-size: 14px;
}

.serveAdvantage-content-item-container img {
  width: 283px;
  height: 283px;
}

@media screen and (max-width: 768px) {
  .serveAdvantage-content-item-container img {
    width: 100px;
    height: 100px;
    align-self: center;
  }
}

.appvalue {
  width: 100%;
  padding: 58px 95px;
  background-color: #F5F5F7;
}

@media screen and (max-width: 768px) {
  .appvalue {
    padding: 20px 0;
  }
}

.appvalue-content {
  width: 1024px;
  margin: auto;
  margin-top: 50px;
}

.appvalue-content-item {
  background: #ffffff;
  width: 217px;
  padding: 60px 14px 20px 14px;
  text-align: center;
  float: left;
  min-height: 317px;
  margin-right: 52px;
}

.appvalue-content-item:last-child {
  margin-right: 0;
}

.appvalue-content-item:hover {
  box-shadow: 0px 3px 13px rgba(0, 0, 0, 0.16);
  cursor: pointer;
}

.appvalue-content-item-top {
  width: 74px;
  margin: auto;
}

.appvalue-content-item-top .main {
  width: 62px;
  height: 60px;
}

.appvalue-content-item-top .shadow {
  width: 74px;
  height: 21px;
  margin-top: 6px;
}

.appvalue-content-item-bot {
  margin-top: 22px;
}

.appvalue-content-item-bot span {
  font-size: 16px;
  color: #333333;
}

.appvalue-content-item-bot p {
  color: #8A8E99;
  margin-top: 12px;
  font-size: 14px;
  line-height: 22px;
  min-height: 176px;
  text-align: left;
}

.appvalue-xs {
  padding: 0 16px;
  margin-top: 25px;
}

.appvalue-xs-item {
  width: 100%;
  margin-bottom: 15px;
  box-shadow: 0px 0px 6px rgba(228, 196, 255, 0.65);
  background-color: #ffffff;
  padding: 10px 8px 10px 0;
}

.appvalue-xs-item img {
  width: 50px;
  float: left;
  margin: 25px 28px 0 28px;
}

.appvalue-xs-item-r {
  float: left;
  width: calc(100% - 107px);
}

.appvalue-xs-item-r p {
  color: #333333;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.appvalue-xs-item-r span {
  font-size: 12px;
  color: #808080;
  display: inline-block;
  min-height: 54px;
}

.rectangle h2 {
  font-size: 30px;
  color: #333333;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .rectangle h2 {
    font-size: 18px;
    font-weight: 400;
  }
}