body {
  padding-top: 120px;
  line-height: 1;
}
.banner {
  height: 600px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
  text-align: center;
  font-family: "Source Han Sans";
}
.banner .title {
  font-size: 130px;
  margin-bottom: 70px;
  letter-spacing: 10px;
}
.banner .title-sub {
  font-size: 100px;
  letter-spacing: 10px;
}
.content1 .title,
.content3 .title,
.content4 .title,
.content5 .title,
.content6 .title,
.content7 .title {
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  letter-spacing: 8px;
}
.content1 .title-sub,
.content3 .title-sub,
.content4 .title-sub,
.content5 .title-sub,
.content6 .title-sub,
.content7 .title-sub {
  font-size: 18px;
  letter-spacing: 4px;
  text-align: center;
  margin-top: 34px;
}
.content1 {
  padding-top: 98px;
  height: 828px;
  color: #2b2b2b;
  background-color: #fff;
}
.content1 .logo {
  width: 300px;
  height: 57px;
  margin: 0 auto;
  background: url("../img/about-logo.png") no-repeat center;
}
.content1 .info {
  font-size: 18px;
  width: 1200px;
  margin: 140px auto 0;
}
.content1 .info img {
  margin-right: 40px;
}
.content1 .info p {
  margin-top: -5px;
  width: 500px;
  padding: 0 18px;
  line-height: 38px;
  margin-bottom: 10px;
  text-indent: 48px;
  letter-spacing: 3px;
}
.content2 {
  height: 1436px;
  color: #fff;
  padding-top: 76px;
  text-align: center;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.content2 .title {
  margin-bottom: 50px;
  letter-spacing: 5px;
  font-size: 32px;
}
.content2 ul {
  width: 50%;
}
.content2 ul li {
  font-size: 18px;
  line-height: 34px;
  margin-bottom: 125px;
}
.content2 ul.left {
  float: left;
  text-align: right;
  padding-right: 38px;
  margin-top: 326px;
}
.content2 ul.left li:nth-child(1) {
  margin-bottom: 150px;
}
.content2 ul.left li:nth-child(2) {
  margin-bottom: 140px;
}
.content2 ul.left li:nth-child(3) {
  margin-bottom: 160px;
}
.content2 ul.right {
  float: right;
  text-align: left;
  padding-left: 38px;
  margin-top: 230px;
}
.content2 ul.right li:nth-child(2) {
  margin-bottom: 172px;
}
.content2 ul.right li:nth-child(3) {
  margin-bottom: 155px;
}
.content2 ul.right li:nth-child(6) {
  margin-bottom: 147px;
}
.content3 {
  padding-top: 90px;
  height: 1100px;
  background-color: #fff;
  text-align: center;
}
.content3 .content3-img {
  width: 1200px;
  height: 774px;
  margin-top: 152px;
}
.content4 {
  height: 762px;
  padding-top: 105px;
  background-color: #f7f8fa;
  background-size: cover;
}
.content4 ul {
  width: 1200px;
  margin: 0 auto;
  margin-top: 122px;
}
.content4 ul li {
  width: 220px;
  height: 276px;
  float: left;
  background-color: #fff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
  margin-right: 20px;
  display: flex;
  flex-direction: column;
}
.content4 ul li .title {
  font-size: 24px;
  letter-spacing: 2px;
  height: 62px;
  line-height: 62px;
  color: #fff;
}
.content4 ul li .content4-detail {
  font-size: 14px;
  line-height: 26px;
  text-align: center;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: center;
}
.content4 ul li:nth-child(1) .title {
  background-color: #8eb0e3;
}
.content4 ul li:nth-child(2) .title {
  background-color: #d07d86;
}
.content4 ul li:nth-child(3) .title {
  background-color: #85c5e1;
}
.content4 ul li:nth-child(4) .title {
  background-color: #a088ba;
}
.content4 ul li:last-child {
  margin-right: 0;
}
.content4 ul li:last-child .title {
  background-color: #7195e8;
}
.content5 {
  padding-top: 88px;
  height: 795px;
  font-size: 16px;
  background: url('../img/about/about-jishu.jpg') no-repeat center;
  background-color: #fff;
}
.content5 .content5-box {
  width: 1200px;
  margin: 0 auto;
}
.content5 .content5-box .content5-detail {
  margin-top: 153px;
}
.content5 .content5-box .content5-detail .l {
  float: left;
}
.content5 .content5-box .content5-detail .r {
  float: right;
}
.content5 .content5-box .content5-detail .l .t .des,
.content5 .content5-box .content5-detail .r .t .des,
.content5 .content5-box .content5-detail .l .m .des,
.content5 .content5-box .content5-detail .r .m .des {
  font-weight: bold;
  margin-bottom: 28px;
}
.content5 .content5-box .content5-detail .l .t p,
.content5 .content5-box .content5-detail .r .t p,
.content5 .content5-box .content5-detail .l .m p,
.content5 .content5-box .content5-detail .r .m p {
  line-height: 24px;
}
.content5 .content5-box .content5-detail .l .m,
.content5 .content5-box .content5-detail .r .m {
  margin-top: 96px;
}
.content5 .content5-box .content5-detail .l .b,
.content5 .content5-box .content5-detail .r .b {
  margin-top: 30px;
}
.content6 {
  background-color: #f7f8fa;
  height: 682px;
  padding-top: 86px;
}
.content6 .content6-box {
  width: 1200px;
  margin: 0 auto;
}
.content6 .content6-box ul {
  margin-top: 138px;
  display: flex;
  flex-wrap: wrap;
}
.content6 .content6-box ul li {
  width: 33%;
  display: flex;
  margin-bottom: 90px;
}
.content6 .content6-box ul li .icon {
  width: 62px;
  height: 62px;
  margin-left: 28px;
}
.content6 .content6-box ul li .des-box {
  margin-left: 24px;
}
.content6 .content6-box ul li .des-box .des1 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
.content6 .content6-box ul li .des-box .des2 {
  font-size: 12px;
  line-height: 18px;
}
.content6 .content6-box ul li:nth-child(1) .icon {
  background-image: url('../img/about/about-6.jpg');
}
.content6 .content6-box ul li:nth-child(2) .icon {
  background-image: url('../img/about/about-7.jpg');
}
.content6 .content6-box ul li:nth-child(3) .icon {
  background-image: url('../img/about/about-8.jpg');
}
.content6 .content6-box ul li:nth-child(4) .icon {
  background-image: url('../img/about/about-9.jpg');
}
.content6 .content6-box ul li:nth-child(5) .icon {
  background-image: url('../img/about/about-10.jpg');
}
.content6 .content6-box ul li:nth-child(6) .icon {
  background-image: url('../img/about/about-11.jpg');
}
.content7 {
  height: 1186px;
  padding-top: 126px;
  color: #2b2b2b;
  background-color: #fff;
}
.content7 .hr {
  margin-bottom: 88px;
}
.content7 .info {
  width: 1200px;
  margin: 0 auto;
}
.content7 .info img {
  margin-right: 128px;
}
.content7 .info .font {
  padding-top: 58px;
  width: 578px;
  font-size: 20px;
}
.content7 .info .font h3 {
  font-size: 30px;
  color: #0772fc;
  margin-bottom: 46px;
}
.content7 .info .font p {
  line-height: 54px;
  text-indent: 52px;
}
.content7 ul {
  width: 1200px;
  margin: 62px auto 0;
}
.content7 ul li {
  float: left;
  width: 280px;
  height: 305px;
  background-color: #ededed;
  margin-right: 16px;
  color: #000;
}
.content7 ul li img {
  height: 174px;
}
.content7 ul li .des-box {
  padding: 20px 8px 16px;
  font-size: 18px;
  text-align: left;
}
.content7 ul li .des-box a {
  line-height: 24px;
  letter-spacing: 2px;
  font-weight: 400;
  color: #000;
}
.content7 ul li .des-box .des {
  font-size: 16px;
  display: block;
  text-align: right;
  margin-top: 32px;
}
.content7 ul li:last-child {
  margin-right: 0;
}