.material-list {
  width: 100%;
  background-position: center;
  background-attachment: fixed;
  padding-top: 15.7vw;
  box-sizing: border-box;
  background-size: cover;
}
.material-list .content {
  width: 100%;
  height: 100%;
  display: flex;
  margin: auto;
  max-width: 48.8vw;
}
.material-list .content .materials-list .material-item .title {
  font-size: 3.2rem;
}
.material-list .content .materials-list .material-item .title_en {
  font-size: 2.2rem;
}
.material-list .content .materials-list .material-item .pic-list {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 17px;
  margin-bottom: 3.6rem;
}
.material-list .content .materials-list .material-item .pic-list .pic {
  width: 100%;
}
.material-list .content .materials-list .material-item .description {
  font-size: 2rem;
  line-height: 1.7;
  letter-spacing: 0.3px;
  margin-bottom: 14rem;
}
.material-list .content .materials-list .material-item .description p {
  margin-bottom: 1.8rem;
}
@media all and (max-width: 768px) {
  .material-list {
    padding-top: 22vh;
  }
  .material-list .content {
    max-width: 82vw;
  }
  .material-list .content .materials-list .material-item .title {
    font-size: 2.4rem;
  }
  .material-list .content .materials-list .material-item .title_en {
    font-size: 1.6rem;
  }
  .material-list .content .materials-list .material-item .pic-list {
    margin-top: 4vw;
    margin-bottom: 6vw;
    gap: 2vw;
    flex-wrap: wrap;
  }
  .material-list .content .materials-list .material-item .pic-list .pic {
    width: calc((100% - 2vw) / 2);
  }
  .material-list .content .materials-list .material-item .description {
    font-size: 3.6vw;
    line-height: 1.8;
    letter-spacing: 0.3px;
    margin-bottom: 20vw;
  }
  .material-list .content .materials-list .material-item .description p {
    margin-bottom: 3.6vw;
  }
}