.promotion_box {
  background: #e6f9ff;
  padding: 3.125vw 0 3.3333vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.promotion_box .promotion_title {
  text-align: center;
  font-size: 2.2917vw;
  font-weight: 700;
  color: #151a1e;
}
.promotion_box .promotion_all_list {
  background: linear-gradient(100deg, #61dfff, #46bafb 100%);
  border-radius: 3.2292vw;
  padding: 0 4.8438vw;
  margin-top: 5.7292vw;
}
.promotion_box .promotion_all_list .promotion_list {
  display: flex;
  justify-content: center;
  transform: translateY(-3.125vw);
}
.promotion_box .promotion_all_list .promotion_list .hot_sale:nth-child(n + 2) {
  margin-left: 1.5625vw;
}
.promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_img {
  width: 10.9375vw;
  height: 10.9375vw;
  background: #ffffff;
  border-radius: 2.2917vw;
  box-shadow: 0 0 5vw 0 rgba(14, 137, 182, 0.25);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_img img {
  width: 80%;
}
.promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_text {
  text-align: center;
  font-size: 1.1458vw;
  margin-top: 2.3958vw;
  font-weight: 400;
  color: #000;
}
@media screen and (max-width: 750px) {
  #promotion {
    margin-top: 50px;
  }
  .promotion_box {
    background: #e6f9ff;
    padding: 30px 0 34px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .promotion_box .promotion_title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #151a1e;
  }
  .promotion_box .promotion_all_list {
    width: 100%;
    background: initial;
    border-radius: 0;
    padding: 0;
    margin-top: 20px;
    padding: 0 15px;
  }
  .promotion_box .promotion_all_list .promotion_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    transform: translateY(0);
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale {
    width: 45%;
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale:nth-child(n + 2) {
    margin-left: 0;
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale:nth-child(n + 3) {
    margin-top: 30px;
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_img {
    width: 100%;
    height: 80%;
    background: #ffffff;
    border-radius: 35px;
    box-shadow: 0px 0px 75.43px 0px rgba(14, 137, 182, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_img img {
    width: 80%;
  }
  .promotion_box .promotion_all_list .promotion_list .hot_sale .hot_sale_text {
    text-align: center;
    font-size: 18px;
    margin-top: 14px;
    font-weight: 400;
    color: #000;
  }
}
.promotion_about {
  padding: 5.2083vw 0 6.4583vw;
}
.promotion_about .promotion_about_list {
  display: flex;
  justify-content: space-between;
}
.promotion_about .promotion_about_list .promotion_about_cont {
  width: 30%;
  background-color: #fff;
  border-radius: 1.5625vw;
}
.promotion_about .promotion_about_list .promotion_about_cont .promotion_about_cont_img img {
  border-radius: 1.0417vw;
  width: 100%;
}
.promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text {
  margin-top: 1.5625vw;
}
.promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .promotion_about_title {
  font-size: 1.3542vw;
  font-weight: 700;
  text-align: LEFT;
  color: #151516;
}
.promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .promotion_about_dec {
  margin-top: 0.7292vw;
  font-size: 0.9896vw;
  font-weight: 400;
  color: #7887a8;
}
.promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .timer {
  margin-top: 0.7292vw;
  font-size: 0.8333vw;
  font-weight: 700;
  color: #fc5688;
}
@media screen and (max-width: 750px) {
  .promotion_about {
    padding: 50px 15px 46px;
  }
  .promotion_about .promotion_about_list {
    display: flex;
    justify-content: initial;
    flex-direction: column;
  }
  .promotion_about .promotion_about_list .promotion_about_cont {
    width: 100%;
    background-color: #fff;
    padding: 0;
    border-radius: 20px;
    display: flex;
    align-items: center;
  }
  .promotion_about .promotion_about_list .promotion_about_cont:nth-child(n + 2) {
    margin-top: 20px;
  }
  .promotion_about .promotion_about_list .promotion_about_cont .promotion_about_cont_img img {
    border-radius: 10px;
    width: 109px;
    height: 109px;
  }
  .promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text {
    margin-top: 0;
    margin-left: 9px;
  }
  .promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .promotion_about_title {
    font-size: 14px;
    font-weight: 400;
    text-align: LEFT;
    color: #151a1e;
  }
  .promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .promotion_about_dec {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 400;
    color: #7887A8;
    overflow: hidden;
    text-overflow: ellipsis;
    /* 老版本的flex */
    display: -webkit-box;
    /* flex主轴为y轴 */
    -webkit-box-orient: vertical;
    /* 可以把 块容器 中的内容限制为指定的行数. */
    -webkit-line-clamp: 3;
  }
  .promotion_about .promotion_about_list .promotion_about_cont .promotion_about_text .timer {
    margin-top: 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    color: #FC5688;
  }
}