section {
    width: 1200px;
    margin: 0 auto;
  }
  section .pro-title {
    margin-top: 90px;
    margin-bottom: 70px;
    text-align: center;
  }
  section .pro-title span {
    padding: 5px 35px;
    font-size: 20px;
    color: red;
    border-top: 2px solid red;
    border-bottom: 1px solid red;
  }
  section .pro-title p {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
  }
  section .part-one {
    zoom: 1;
    background: #fff;
  }
  section .part-one img {
    margin: 15px 15px;
    width: 550px;
    float: left;
  }
  section .part-one .intro {
    padding: 45px 25px;
    padding-top: 25px;
    line-height: 30px;
    font-size: 16px;
    background: #fff;
  }
  section .part-one .intro img{
    width: auto;
  }
  section .part-one::after {
    content: "";
    display: block;
    visibility: hidden;
    clear: both;
    height: 0;
  }
  section .part-two {
    margin-top: 70px;
  }
  section .part-two .part-list {
    zoom: 1;
    margin-top: 30px;
  }
  section .part-two .part-list img {
    float: left;
    width: 650px;
  }
  section .part-two .part-list .anno {
    float: left;
    position: relative;
    margin-top: 15%;
  }
  section .part-two .part-list .anno b {
    position: absolute;
    border-top: 1px solid red;
    border-bottom: 1px solid red;
    height: 1px;
    width: 150px;
    top: 50%;
    right: 0;
  }
  section .part-two .part-list .anno p {
    margin-right: 150px;
    position: relative;
    display: inline-block;
    width: 350px;
    padding-left: 40px;
    height: 70px;
    line-height: 70px;
    border-radius: 35px;
    text-align: left;
    font-size: 15px;
    color: #fff;
    background: #6A6A6A;
  }
  section .part-two .part-list .anno p span {
    width: 70px;
    height: 70px;
    line-height: 70px;
    text-align: center;
    background: #fff;
    color: red;
    font-size: 25px;
    border-radius: 50%;
    position: absolute;
    top: 0;
    right: 0;
  }
  section .part-two .part-list::after {
    content: "";
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
  }
  section .part-two .p-two img {
    float: right;
  }
  section .part-two .p-two .anno {
    float: right;
  }
  section .part-two .p-two .anno b {
    left: 0;
  }
  section .part-two .p-two .anno p {
    text-align: right;
    margin-left: 150px;
    margin-right: 0;
    padding-right: 40px;
    padding-left: 0;
  }
  section .part-two .p-two .anno p span {
    left: 0;
  }
  @media (max-width: 496px) {
    section {
      width: 100%;
      margin: 0 auto;
      padding-top: 70px;
    }
    section .pro-title {
      margin-top: 30px;
      margin-bottom: 20px;
      text-align: center;
    }
    section .pro-title span {
      padding: 5px 35px;
      font-size: 20px;
      color: red;
      border-top: 2px solid red;
      border-bottom: 1px solid red;
    }
    section .pro-title p {
      margin-top: 10px;
      font-size: 14px;
      color: #666;
    }
    section .part-one {
      zoom: 1;
      padding-left: 5px;
      padding-right: 5px;
    }
    section .part-one img {
      margin: 0;
      max-width: 100%;
      max-height: auto;
      float: left;
    }
    section .part-one .intro {
      float: left;
      width: 100%;
      height: auto;
      padding: 0;
      line-height: 23px;
      font-size: 13px;
      background: #fff;
      overflow: hidden;
    }
    section .part-one::after {
      content: "";
      display: block;
      visibility: hidden;
      clear: both;
      height: 0;
    }
    section .part-two {
      margin-top: 30px;
      width: 98%;
      margin-left: 1%;
      margin-right: 1%;
    }
    section .part-two .part-list {
      zoom: 1;
      margin-top: 30px;
    }
    section .part-two .part-list img {
      width: 100%;
      float: right;
    }
    section .part-two .part-list .anno {
      float: right;
      position: relative;
      margin: 0 auto;
      margin-top: 5%;
      margin-bottom: 20px;
      width: 100%;
      text-align: center;
    }
    section .part-two .part-list .anno b {
      position: absolute;
      border-top: 1px solid red;
      border-bottom: 1px solid red;
      height: 1px;
      width: 150px;
      top: 50%;
      right: 0;
      display: none;
    }
    section .part-two .part-list .anno p {
      margin-right: 0;
      position: relative;
      display: inline-block;
      width: auto;
      padding-left: 15px;
      padding-right: 15px;
      height: 36px;
      line-height: 36px;
      border-radius: 18px;
      text-align: center;
      font-size: 15px;
      color: #fff;
      background: #6A6A6A;
    }
    section .part-two .part-list .anno p span {
      width: 36px;
      height: 36px;
      line-height: 36px;
      text-align: center;
      background: #fff;
      color: red;
      font-size: 20px;
      border-radius: 50%;
      position: absolute;
      top: 0;
      right: 0;
      display: none;
    }
    section .part-two .part-list::after {
      content: "";
      display: block;
      clear: both;
      visibility: hidden;
      height: 0;
    }
    section .part-two .p-two img {
      float: left;
    }
    section .part-two .p-two .anno {
      float: left;
    }
    section .part-two .p-two .anno b {
      left: 0;
    }
    section .part-two .p-two .anno p {
      text-align: center;
      margin-left: 0px;
      margin-right: 0;
      padding-right: 15px;
      padding-left: 15px;
    }
    section .part-two .p-two .anno p span {
      left: 0;
    }
  }