.about {
  width: 100%;
  padding: 80px 0;
  box-sizing: border-box;
  box-sizing: border-box;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.about .w1200 {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.about .content {
  width: 532px;
}

.about .content h3 {
  font-size: 36px;
  font-weight: bold;
  color: #1C1C1C;
  margin-bottom: 30px;
}

.about .content h3 em {
  color: #194CFF;
  font-weight: bold;
}

.about .content p {
  font-size: 16px;
  color: #666666;
  margin-bottom: 111px;
}

.about .content a {
  display: block;
  width: 148px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #FFFFFF;
  background: #194CFF;
  border-radius: 6px;
  transition: all .3s;
}

.about .content a:hover {
  box-shadow: 0 2px 17px 0 rgb(0 7 47 / 40%);
}

.about img {
  width: 421px;
}

/* 产品优势 */
.advantage {
  width: 100%;
  padding: 80px 0;
  box-sizing: border-box;
  background-color: #EFF3FF;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.advantage h3 {
  font-size: 36px;
  font-weight: bold;
  color: #1C1C1C;
  text-align: center;
  margin-bottom: 50px;
}

.advantage h3 em {
  color: #194CFF;
  font-weight: bold;
}

.advantage .list {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

.advantage .list .item {
  width: 233px;
  transition: all .3s;
  cursor: pointer;
}

.advantage .list .item img {
  display: block;
  width: 160px;
  height: 160px;
  margin: 0 auto;
  transition: all .3s;
}

.advantage .list .item span {
  display: block;
  font-size: 24px;
  color: #202b55;
  text-align: center;
}

.advantage .list .item p {
  font-size: 14px;
  color: #999;
  text-align: center;
  margin-top: 20px;
  line-height: 2;
}

.advantage .list .item:hover {
  transform: translateY(-20px);
}

/* 中间号应用模式 */
.pattern .item {
  display: flex;
  align-items: center;
  width: 100%;
}

.pattern .tit p {
  width: 50%;
  font-size: 36px;
  font-weight: bold;
  color: #FFFFFF;
  text-align: right;
  padding: 42px 175px;
  box-sizing: border-box;
  background-color: #1C1C1C;
}

.pattern .item .content {
  width: 50%;
  height: 600px;
  background-color: #194cff;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.pattern .item .content .in {
  width: 512px;
  float: right;
  margin-right: 87px;
  margin-top: 50px;
}

.pattern .item .content h3 {
  font-size: 30px;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: 30px;
}

.pattern .item .content span {
  display: block;
  font-size: 18px;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.pattern .item .content p {
  font-size: 14px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 2;
  margin-bottom: 30px;
}

.pattern .item .img {
  width: 50%;
  padding-left: 67px;
  box-sizing: border-box;
}

.pattern .item .img img {
  width: 500px;
}

.pattern .item2 .content {
  background-color: #232121;
}

.pattern .item2 .content .in {
  float: unset;
  width: 604px;
  padding-left: 67px;
  box-sizing: border-box;
  text-align: right;
}

.pattern .item2 .img img {
  float: right;
  margin-right: 87px;
}

/* 接入流程 */
.flow {
  width: 100%;
  padding: 60px 0;
  box-sizing: border-box;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.flow h3 {
  font-size: 36px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  margin-bottom: 50px;
}

.flow h3 em {
  color: #194CFF;
  font-weight: bold;
}

.flow .list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.flow .list .item {
  width: 200px;
  height: 238px;
  text-align: center;
  padding-top: 51px;
  box-sizing: border-box;
  background: hsla(0,0%,100%,.03);
  border-radius: 86px;
  transition: all .3s;
  cursor: pointer;
}

.flow .list .item img {
  width: 64px;
  height: 64px;
}

.flow .list .item span {
  display: block;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  margin: 18px 0;
  text-align: center;
}

.flow .list .item p {
  font-size: 16px;
  color: #666666;
}

.flow .list .img {
  width: 22px;
}

.flow .list .img:last-child {
  display: none;
}

.flow .list .item:hover {
  transform: translateY(-20px);
}

/* 使用场景 */
.sence {
  width: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.sence .w1200 {
  display: flex;
  flex-wrap: wrap;
}

.sence .item {
  position: relative;
  width: 400px;
  height: 260px;
  overflow: hidden;
  cursor: pointer;
}

.sence .item img {
  width: 100%;
  height: 100%;
  transition: all .6s;
}

.sence .item .in {
  position: absolute;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background-color: rgba(25, 76, 255, .8);
  transform: rotateX(90deg);
  transition: all .6s;
}

.sence .item .in span {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.sence .item .in p {
  width: 250px;
  line-height: 22px;
  font-size: 16px;
  color: #fff;
  margin: 0 auto 0;
  text-align: center;
}

.sence .item:nth-of-type(1):hover .in, 
.sence .item:nth-of-type(2):hover .in, 
.sence .item:nth-of-type(3):hover .in, 
.sence .item:nth-of-type(4):hover .in, 
.sence .item:nth-of-type(6):hover .in, 
.sence .item:nth-of-type(7):hover .in, 
.sence .item:nth-of-type(8):hover .in, 
.sence .item:nth-of-type(9):hover .in {
  transform: rotateX(0);
}