.content1 {
  width: 100%;
  height: 520px;
  background: url(../images/bg_top.png) no-repeat center;
  background-size: 100% 100%; }
  .content1 .left {
    float: left;
    color: #fff;
    padding-top: 150px; }
    .content1 .left .line1 {
      font-size: 34px;
      line-height: 86px; }
    .content1 .left .line2 {
      font-size: 18px;
      line-height: 38px; }
    .content1 .left .btns {
      margin-top: 30px; }
      .content1 .left .btns .btn {
        display: inline-block;
        width: 146px;
        height: 46px;
        border-radius: 4px;
        font-size: 20px;
        line-height: 46px;
        text-align: center; }
        .content1 .left .btns .btn.btn1 {
          margin-right: 30px;
          color: #fff;
          background: linear-gradient(-90deg, #FF2B2B 0%, #FF5443 100%); }
        .content1 .left .btns .btn.btn2 {
          border: 1px solid #FF5443;
          color: #FF2A29; }

.content2 {
  padding-top: 80px;
  padding-bottom: 60px; }
  .content2 .box {
    margin-top: 70px;
    width: 100%;
    height: 750px;
    background: url(../images/part2.png) no-repeat center;
    background-size: 100% 100%;
    position: relative; }
    .content2 .box .item {
      height: 190px;
      box-sizing: border-box; }
      .content2 .box .item.mr {
        padding-left: 50%; }
      .content2 .box .item.ml {
        padding-left: 174px; }
      .content2 .box .item .section {
        width: 420px;
        padding: 20px;
        box-sizing: border-box; }
        .content2 .box .item .section .title {
          color: #000;
          font-size: 22px;
          margin-top: 10px;
          margin-bottom: 8px; }
        .content2 .box .item .section .content {
          color: #666;
          font-size: 16px;
          line-height: 30px; }

.content3 {
  padding-top: 80px; }
  .content3 .box {
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 50px;
    padding-bottom: 55px; }
    .content3 .box .item {
      width: 360px;
      height: 310px;
      margin-bottom: 20px;
      position: relative;
      border-radius: 8px;
      overflow: hidden; }
      .content3 .box .item .content {
        width: 100%;
        height: 110px;
        background: #fff;
        color: #666;
        font-size: 16px;
        line-height: 25px;
        box-sizing: border-box;
        padding: 18px; }

.content4 .box, .content5 .box, .content9 .box {
  padding-top: 54px;
  padding-bottom: 40px;
  align-items: flex-start; }
  .content4 .box .imgphone, .content5 .box .imgphone, .content9 .box .imgphone {
    margin-left: 180px;
    margin-right: 285px; }
  .content4 .box .section, .content5 .box .section, .content9 .box .section {
    padding-top: 45px;
    width: 470px; }
    .content4 .box .section .p1, .content5 .box .section .p1, .content9 .box .section .p1 {
      color: #000;
      font-size: 20px;
      margin-bottom: 18px; }
    .content4 .box .section .p2, .content5 .box .section .p2, .content9 .box .section .p2 {
      color: #666;
      font-size: 16px;
      line-height: 24px;
      margin-bottom: 25px; }
    .content4 .box .section .btn, .content5 .box .section .btn, .content9 .box .section .btn {
      display: inline-block;
      width: 120px;
      height: 40px;
      border-radius: 4px;
      font-size: 16px;
      line-height: 40px;
      text-align: center;
      color: #fff;
      background: #FF5443; }

.content5 .box, .content9 .box {
  padding-top: 100px;
  padding-bottom: 130px; }
  .content5 .box .section, .content9 .box .section {
    padding-top: 0px;
    margin-left: 75px;
    margin-right: 218px;
    width: 435px; }
  .content5 .box .imgphone, .content9 .box .imgphone {
    margin-left: 0;
    margin-right: 0; }

.content9 .box {
  padding-top: 54px;
  padding-bottom: 40px; }
  .content9 .box .section {
    margin-left: 75px;
    margin-right: 86px;
    width: 395px; }
  .content9 .box .imgphone {
    margin-left: 0;
    margin-right: 0; }