.banner {
  width: 100%;
  height: 520px;
  background: url("../image/produce/bannerbg.png") no-repeat;
  background-size: cover;
}
.banner .container {
  height: 100%;
}
.banner .title {
  font-size: 50px;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 35px;
}
.banner .desc {
  font-size: 24px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
}
.about {
  margin: 120px 0;
}
.about .container > .item {
  margin-bottom: 200px;
  overflow: visible;
}
.about .container > .item .item_title {
  justify-content: flex-start;
  margin-bottom: 20px;
}
.about .container > .item .item_title .symbol {
  display: inline-block;
  width: 10px;
  height: 60px;
  background: linear-gradient(180deg, #A19BF8 0%, #2B4DD9 100%);
  border-radius: 6px 6px 6px 6px;
}
.about .container > .item .item_title span {
  margin-left: 27px;
  font-size: 36px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
}
.about .container > .item:nth-child(1) .content .lf_box {
  flex: 1;
}
.about .container > .item:nth-child(1) .content .lf_box div.desc {
  width: 615px;
  height: 420px;
  background: rgba(103, 150, 255, 0.1);
  border-radius: 20px 20px 20px 20px;
  box-sizing: border-box;
  padding: 35px 20px;
  font-size: 16px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  line-height: 30px;
  text-indent: 2em;
  margin-bottom: 30px;
}
.about .container > .item:nth-child(1) .content .lf_box .comcur {
  justify-content: space-between;
  width: 615px;
}
.about .container > .item:nth-child(1) .content .lf_box .comcur .comcur_item {
  width: 285px;
  height: 106px;
  border-radius: 20px 20px 20px 20px;
  box-sizing: border-box;
  padding: 12px 20px;
}
.about .container > .item:nth-child(1) .content .lf_box .comcur .comcur_item .title {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
  margin-bottom: 12px;
}
.about .container > .item:nth-child(1) .content .lf_box .comcur .comcur_item .desc {
  font-size: 16px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
}
.about .container > .item:nth-child(1) .content .lf_box .comcur .comcur_item:nth-child(1) {
  background: rgba(236, 191, 97, 0.1);
}
.about .container > .item:nth-child(1) .content .lf_box .comcur .comcur_item:nth-child(2) {
  background: rgba(122, 193, 97, 0.1);
}
.about .container > .item:nth-child(1) .content .rg_box {
  flex: 1;
}
.about .container > .item:nth-child(1) .content .rg_box img {
  width: 746px;
}
.about .container > .item:nth-child(2) .item_title {
  margin-bottom: 100px;
}
.about .container > .item:nth-child(2) .content {
  height: 550px;
}
.about .container > .item:nth-child(2) .content .brands {
  flex: 1;
  height: 100%;
  position: relative;
}
.about .container > .item:nth-child(2) .content .brands .iphone {
  width: 243px;
  height: 494px;
  background: url("../image/index/iphonebg.png") no-repeat;
  margin: 23px auto;
  border-radius: 24px 24px 24px 24px;
  position: relative;
  z-index: 5;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands {
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 100%;
  z-index: 10;
  text-align: center;
  justify-content: space-between;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item {
  display: inline-block;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item:nth-child(1) {
  margin-left: -20px;
  animation: brand1 8s linear infinite;
  -webkit-animation: brand1 8s linear infinite;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item:nth-child(2) {
  margin-left: 70px;
  animation: brand5 15s linear infinite;
  -webkit-animation: brand5 15s linear infinite;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item:nth-child(3) {
  margin-left: -60px;
  animation: brand3 5s linear infinite alternate;
  -webkit-animation: brand3 5s linear infinite alternate;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item:nth-child(4) {
  margin-left: -20px;
  animation: brand6 10s linear infinite;
  -webkit-animation: brand6 10s linear infinite;
}
.about .container > .item:nth-child(2) .content .brands .lf_brands .item:nth-child(5) {
  margin-top: 10px;
  animation: brand4 16s linear infinite alternate-reverse;
  -webkit-animation: brand4 16s linear infinite alternate-reverse;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  z-index: 10;
  text-align: center;
  justify-content: space-between;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item {
  display: inline-block;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item:nth-child(1) {
  margin-top: -50px;
  margin-left: 30px;
  animation: brand2 4s linear infinite;
  -webkit-animation: brand2 4s linear infinite;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item:nth-child(2) {
  margin-left: 70px;
  animation: brand1 9s ease-in infinite;
  -webkit-animation: brand1 9s ease-in infinite;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item:nth-child(3) {
  margin-left: 10px;
  animation: brand4 5s ease-in-out infinite alternate;
  -webkit-animation: brand4 5s ease-in-out infinite alternate;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item:nth-child(4) {
  margin-left: -60px;
  animation: brand5 5s ease-in-out infinite;
  -webkit-animation: brand5 5s ease-in-out infinite;
}
.about .container > .item:nth-child(2) .content .brands .rg_brands .item:nth-child(5) {
  margin-top: 80px;
  margin-left: 40px;
  animation: brand3 4s linear infinite alternate-reverse;
  -webkit-animation: brand3 4s linear infinite alternate-reverse;
}
.about .container > .item:nth-child(2) .content .cooperative_partner {
  flex: 1;
  height: 100%;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .title {
  font-size: 30px;
  font-family: PingFangSC-Semibold-, PingFangSC-Semibold;
  font-weight: normal;
  color: #000000;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .numbers {
  margin: 60px 0;
  width: 100%;
  justify-content: space-around;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .numbers .item {
  text-align: center;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .numbers .item .item_number {
  font-size: 26px;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  margin-bottom: 20px;
  position: relative;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .numbers .item .item_number span.more {
  font-size: 14px;
  vertical-align: top;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .numbers .item .item_desc {
  font-size: 14px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #999999;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .desc {
  font-size: 14px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  margin-bottom: 90px;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .check_button {
  width: 200px;
  height: 50px;
  background: linear-gradient(90deg, #3347FE 0%, #63C3F9 100%);
  border-radius: 25px 25px 25px 25px;
  font-size: 20px;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  cursor: pointer;
}
.about .container > .item:nth-child(2) .content .cooperative_partner .check_button a {
  width: 100%;
  height: 100%;
  color: #FFFFFF;
}
.about .container > .item:last-child {
  margin-bottom: 0;
}
.about .container > .item:last-child .lf_box {
  flex: 1;
}
.about .container > .item:last-child .lf_box p {
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 60px;
}
.about .container > .item:last-child .rg_box {
  flex: 1;
}
.about .container > .item:last-child .rg_box .maps {
  width: 464px;
  height: 250px;
}
.about .container > .item:last-child .rg_box .maps #map {
  width: 100%;
  height: 100%;
}