* {
    color: #000000;
  }
  img {
    max-width: 100%;
    height: auto;
  }
  a{color: #1ABC9C;}
  .banner {
    background: url(/img/mobile-download/product-page-banner.png) center no-repeat;
    background-size: cover;
    margin-bottom: 42px;
  
    background-position: center center;
    text-align: center;
    padding: 28px 0 30px;
  }
  .banner p.info {
    font-size: 15px;
    color: #000000;
    line-height: 20px;
    margin: 16px 0 14px;
    font-weight: 600;
  }
  .banner h1 {
    font-size: 40px;
    font-weight: 600;
    line-height: 70px;
  }
  .banner .support {
    font-size: 19px;
    font-weight: 400;
    margin: 16px 0px 20px;
    line-height: 20px;
  }
  .h2_title {
    margin-top: 40px;
    font-size: 25px;
    font-weight: 600;
    text-align: center;
  }
  
  /* buy_box */
  .flex_box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .buy_box {
    margin: 60px auto;
  }
  .buy_box .buy_item {
    border: 2px solid #edeaff;
    max-width: 368px;
    width: 100%;
    text-align: center;
    position: relative;
  }
  .buy_box .buy_top {
    background-color: #f3f9ff;
    padding: 64px 4px 32px 4px;
  }
  .buy_box .buy_bottom {
    padding: 30px 10px 10px 10px;
  }
  .buy_box .title {
    font-size: 22px;
    line-height: 30px;
    font-weight: bold;
  }
  .buy_box .info {
    color: #6f6f6f;
    font-size: 14px;
    line-height: 16px;
    margin: 14px 0;
    font-weight: 300;
  }
  .buy_box .price {
    font-size: 42px;
    color: #ff4919;
    font-weight: 600;
  }
  .buy_box .price_del {
    color: #6f6f6f;
    font-size: 14px;
    font-weight: 300;
    line-height: 18px;
    margin-top: 10px;
  }
  .buy_box .buy_bottom ul {
    margin: 24px 20px 40px 40px;
  }
  .buy_box .buy_bottom ul li {
    text-align: left;
    margin-bottom: 8px;
    position: relative;
    font-size: 15px;
    line-height: 26px;
    color: #2d1b63;
  }
  .buy_box .buy_bottom li i {
    display: inline-block;
    background: url(/img/purchase/ok.svg);
    width: 20px;
    height: 20px;
    vertical-align: -3px;
    margin-right: 8px;
  }
  .buy_box .buy_bottom ul li a:hover {
    text-decoration: underline;
  }
  .buy_box a.buy {
    background-color: #2ad6bf;
    border-radius: 28px;
    font-size: 17px;
    color: #ffffff;
    line-height: 42px;
    min-width: 124px;
    box-sizing: border-box;
    padding: 0 12px;
    display: inline-block;
    transition: transform 0.2s;
    cursor: pointer;
  }
  .buy_box a.buy i.win_icon {
    display: inline-block;
    width: 20px;
    height: 21px;
    margin-right: 4px;
    vertical-align: -5px;
    background: url(/img/purchase/windows-white.svg) no-repeat;
  }
  .buy_box a.buy i.mac_icon {
    display: inline-block;
    width: 20px;
    height: 21px;
    margin-right: 4px;
    vertical-align: -5px;
    background: url(/img/purchase/mac-white.svg) no-repeat;
  }
  .buy_box a.buy:hover {
    transform: scale(1.1);
  }
  .buy_box .version {
    color: #6e6e6e;
    font-size: 12px;
    line-height: 16px;
    margin: 30px 0 16px;
  }
  .buy_box p.other {
    color: #6e6e6e;
    font-size: 12px;
    line-height: 16px;
  }
  .buy_box .buy_item .off {
    position: absolute;
    width: 71px;
    height: 69px;
    display: inline-block;
    top: 0;
    right: 0;
  }
  .buy_box .buy_item .off.special_off {
    background: url(/img/purchase/special-off.png);
  }
  .buy_box .buy_item .off.thirty_off {
    background: url(/img/purchase/30-off.png);
  }
  
  /* paymemt */
  .paymemt {
    justify-content: flex-start;
  }
  .paymemt p {
    font-size: 22px;
    line-height: 28px;
    font-weight: 600;
    max-width: 260px;
  }
  
  /* tip */
  .tip {
    background-color: #f3f9ff;
    border-radius: 16px;
    box-sizing: border-box;
    padding: 30px;
    margin: 88px auto;
  }
  .tip p {
    font-size: 32px;
    font-weight: bold;
    line-height: 40px;
  }
  .tip p i {
    display: inline-block;
    width: 46px;
    height: 46px;
    background: url(/img/purchase/tip.svg);
    margin-right: 12px;
    vertical-align: -9px;
  }
  .tip ul {
    padding-left: 20px;
    margin-top: 16px;
  }
  .tip ul li {
    line-height: 40px;
    font-size: 16px;
    color: #6e6e6e;
    list-style-type: disc;
    font-size: 400;
  }
  
  /* .ensure */
  .ensure {
    margin: 88px auto;
    text-align: center;
  }
  .ensure h2 {
    font-size: 32px;
    line-height: 40px;
    margin-bottom: 60px;
  }
  .ensure ul li {
    background-color: #112347;
    padding: 40px;
    border-radius: 18px;
    box-sizing: border-box;
    max-width: 370px;
    width: 100%;
  }
  .ensure ul li img {
    display: block;
    margin: 0 auto;
  }
  .ensure ul li p.title {
    font-size: 24px;
    line-height: 30px;
    margin: 16px auto;
    max-width: 280px;
    width: 100%;
    color: #fff;
    font-weight: bold;
  }
  .ensure ul li p.info {
    font-size: 16px;
    color: #c5c5c5;
    line-height: 20px;
  }
  
  @media (max-width: 1140px) {
    .buy_box {
      max-width: 900px;
      justify-content: center;
    }
    .buy_box .buy_item {
      margin: 20px;
    }
    .paymemt p {
      max-width: none;
      margin-bottom: 20px;
    }
    .ensure ul {
      max-width: 880px;
      justify-content: center;
      margin: 0 auto;
    }
    .ensure ul li {
      margin: 20px;
    }
    .container {
      max-width: 96%;
    }
  }
  @media (max-width: 900px) {
    .buy_box .buy_item,
    .ensure ul li {
      max-width: 400px;
    }
  }
  @media (max-width: 540px) {
    .buy_box {
      margin: 60px auto 30px;
    }
    .ensure,
    .tip {
      margin: 60px auto;
    }
    .ensure h2 {
      font-size: 32px;
      line-height: 40px;
      margin-bottom: 26px;
    }
  }
  @media (max-width: 420px) {
    .buy_box .buy_bottom ul {
      margin: 24px 10px 30px 10px;
    }
  }