@media screen and (min-width: 750px) {
  .center-container {
    width: 750px;
    margin: 50px auto 120px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .pic-box {
    width: calc(750px / 750 * 500);
    height: calc(750px / 750 * 500);
    border-radius: calc(750px / 750 * 5);
    overflow: hidden;
  }
  .pic-box .pic {
    display: block;
    width: 100%;
    height: 100%;
  }
  .name {
    width: 100%;
    max-width: calc(750px / 750 * 500);
    font-size: calc(750px / 750 * 24);
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #0f1d37;
    margin: 20px 0;
  }
  .price {
    font-size: 20px;
    font-family: DINAlternate-Bold, DINAlternate;
    font-weight: bold;
    color: #e30e0e;
  }
  .code-box {
    width: calc(750px / 750 * 562);
    border-top: 1px solid #efefef;
    border-bottom: 1px solid #efefef;
    padding: calc(750px / 750 * 80) 0 calc(750px / 750 * 100) 0;
    margin-top: calc(750px / 750 * 80);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #0f1d37;
    line-height: 32px;
  }
  .code-box .code {
    display: block;
    width: calc(750px / 750 * 246);
    height: calc(750px / 750 * 246);
    margin-bottom: calc(750px / 750 * 20);
  }
  .guide {
    padding: calc(750px / 750 * 50) 0 calc(750px / 750 * 50) 0;
  }
  .guide img {
    display: block;
    width: calc(750px / 750 * 562);
    height: auto;
  }
}
@media screen and (max-width: 749px) {
  .center-container {
    padding: calc(100vw / 750 * 30) calc(100vw / 750 * 16);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    margin-bottom: calc(100vw / 750 * 100);
    padding-bottom: calc(100vw / 750 * 60);
  }
  .center-container .pic-box {
    width: calc(100vw / 750 * 500);
    height: calc(100vw / 750 * 500);
    border-radius: calc(100vw / 750 * 5);
    overflow: hidden;
  }
  .center-container .pic-box .pic {
    display: block;
    width: 100%;
    height: 100%;
  }
  .center-container .name {
    width: 100%;
    max-width: calc(100vw / 750 * 500);
    font-size: 16px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #0f1d37;
    margin: 20px 0;
  }
  .center-container .price {
    font-size: 20px;
    font-family: DINAlternate-Bold, DINAlternate;
    font-weight: bold;
    color: #e30e0e;
  }
  .center-container .code-box {
    width: calc(100vw / 750 * 562);
    border-top: 1px solid #efefef;
    border-bottom: 1px solid #efefef;
    padding: calc(100vw / 750 * 80) 0 calc(100vw / 750 * 100) 0;
    margin-top: calc(100vw / 750 * 80);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 14px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: #0f1d37;
    line-height: 32px;
  }
  .center-container .code-box .code {
    display: block;
    width: calc(100vw / 750 * 246);
    height: calc(100vw / 750 * 246);
    margin-bottom: calc(100vw / 750 * 20);
  }
  .center-container .guide {
    padding: calc(100vw / 750 * 50) 0 calc(100vw / 750 * 50) 0;
  }
  .center-container .guide img {
    display: block;
    width: calc(100vw / 750 * 562);
    height: auto;
  }
}