body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td {
  margin: 0;
  padding: 0; }

body, button, input, select, textarea {
  font: 12px/1.5tahoma, arial, \5b8b\4f53; }

h1, h2, h3, h4, h5, h6 {
  font-size: 100%; }

address, cite, dfn, em, var {
  font-style: normal; }

code, kbd, pre, samp {
  font-family: couriernew, courier, monospace; }

small {
  font-size: 12px; }

ul, ol {
  list-style: none; }

a {
  text-decoration: none; }

sup {
  vertical-align: text-top; }

sub {
  vertical-align: text-bottom; }

legend {
  color: #000; }

fieldset, img {
  border: 0; }

button, input, select, textarea {
  font-size: 100%; }

table {
  border-collapse: collapse;
  border-spacing: 0; }

body {
  font-family: "Microsoft Yahei", simsun, "Helvetica Neue", Helvetica, Arial, sans-serif; }

.content .title {
  padding: 50px 0; }
  .content .title .title-ch {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 800;
    line-height: 59px;
    color: #333333;
    position: relative;
    z-index: 2; }
    .content .title .title-ch::after {
      content: "";
      display: inline-block;
      width: 186px;
      height: 29px;
      background: #3FDDEA;
      position: absolute;
      left: -8px;
      bottom: -5px;
      z-index: -1; }
  .content .title .title-en {
    width: 262px;
    height: 28px;
    font-size: 20px;
    font-family: PingFang SC;
    font-weight: 500;
    line-height: 28px;
    color: #999999;
    line-height: 35px; }

.content .part1 {
  width: 100%;
  height: 1080px;
  background-image: url("../images/yyaqsd/73f4f3d9.bg.png"); }

.content .part2 {
  text-align: center;
  width: 1196px;
  margin: 0 auto;
  padding-bottom: 70px; }
  .content .part2 .title .title-ch::after {
    width: 358px; }
  .content .part2 .list {
    display: flex;
    justify-content: space-between; }
    .content .part2 .list .list-item {
      text-align: left;
      width: 589px;
      height: 600px;
      background: white;
      box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.07);
      border-radius: 8px; }
      .content .part2 .list .list-item div {
        padding: 0 60px;
        line-height: 100px; }
        .content .part2 .list .list-item div img {
          vertical-align: middle;
          width: 20px;
          height: 20px; }
        .content .part2 .list .list-item div span {
          display: inline-block;
          vertical-align: middle;
          font-size: 32px;
          font-family: PingFang SC;
          font-weight: bold;
          color: #333333;
          margin-left: 20px; }
      .content .part2 .list .list-item ul {
        padding: 0 60px; }
        .content .part2 .list .list-item ul li {
          width: 404px;
          font-size: 20px;
          font-family: PingFang SC;
          font-weight: 400;
          line-height: 36px;
          color: #333333;
          position: relative;
          padding-left: 44px; }
          .content .part2 .list .list-item ul li::before {
            content: "";
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: #3C68EF;
            position: absolute;
            left: 9px;
            top: 12px; }

.content .part3 {
  text-align: center;
  background-color: #F5F5F5;
  padding-bottom: 100px; }
  .content .part3 .ctn {
    text-align: left;
    width: 1196px;
    margin: 100px auto 0; }
    .content .part3 .ctn .left, .content .part3 .ctn .right {
      display: inline-block;
      vertical-align: top; }
    .content .part3 .ctn img {
      width: 625.79px;
      height: 606px; }
    .content .part3 .ctn .right .item {
      margin-bottom: 40px;
      position: relative; }
      .content .part3 .ctn .right .item span {
        display: inline-block;
        margin: 20px 0;
        width: 40px;
        height: 8px;
        background: #3c68ef; }
      .content .part3 .ctn .right .item p {
        font-size: 30px;
        font-family: PingFang SC;
        font-weight: bold;
        line-height: 42px;
        color: #333333; }
    .content .part3 .ctn .right .item1 {
      left: -20px;
      top: -65px; }
    .content .part3 .ctn .right .item2 {
      left: 70px;
      top: -20px; }
    .content .part3 .ctn .right .item3 {
      left: 140px;
      top: -10px; }
    .content .part3 .ctn .right .item4 {
      left: 70px;
      top: 10px; }
    .content .part3 .ctn .right .item5 {
      left: -20px;
      top: 30px; }

.content .part4 {
  text-align: center;
  width: 1196px;
  margin: 0 auto;
  padding-bottom: 100px; }
  .content .part4 .title .title-ch::after {
    width: 405px; }
  .content .part4 .list {
    display: flex;
    justify-content: space-between;
    text-align: left;
    margin-bottom: 20px; }
    .content .part4 .list .item {
      width: 589px;
      height: 390px;
      background: white;
      box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.07);
      border-radius: 8px;
      font-size: 0; }
      .content .part4 .list .item .left, .content .part4 .list .item .right {
        display: inline-block;
        vertical-align: top; }
      .content .part4 .list .item .left {
        width: 188px; }
        .content .part4 .list .item .left img {
          margin: 100px 44px; }
      .content .part4 .list .item .right {
        width: calc(100% - 188px); }
        .content .part4 .list .item .right h3 {
          font-size: 26px;
          font-family: PingFang SC;
          font-weight: bold;
          line-height: 37px;
          color: #333333;
          margin: 130px 0 15px; }
        .content .part4 .list .item .right p {
          font-size: 18px;
          font-family: PingFang SC;
          font-weight: 400;
          line-height: 30px;
          color: #333333;
          padding-right: 44px; }

.content .they-all-use-bg {
  background-color: #f5f5f5; }

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