.container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 100rem 0;
}

.article-title {
  font-size: 24rem;
  padding-bottom: 20rem;
  text-align: center;
}
.article-data {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  border-bottom: 1rem solid #ccc;
  padding: 15rem 0;
}
.article-data-item {
  font-size: 12rem;
  color: #666;
}
.article-data-item + .article-data-item {
  margin-left: 40rem;
}
.article-content {
  white-space: pre-wrap;
  line-height: 30rem;
}
.article-image {
  width: 80%;
  margin: 60rem 10%;
}
.article-footer {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  border-top: 1rem solid #ccc;
  padding-top: 20rem;
}
.article-other {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  line-height: 24rem;
}
.article-other div + div {
  margin-top: 10rem;
}
.article-other a {
  font-size: 16rem;
  color: #666;
}
.article-button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 180rem;
  height: 60rem;
  background-color: #138db1;
  color: white;
  margin-left: 60rem;
  font-size: 20rem;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.article-button:hover {
  color: white;
}

@media screen and (max-width: 1200px) {
  .container {
    display: block;
    padding: 30rem 0;
  }
  .article {
    margin-top: 40rem;
  }
  .article-title {
    font-size: 18rem;
    margin-top: 20rem;
  }
  .article-image {
    width: 90%;
    margin: 20rem 5%;
  }
}
.category {
  width: 340rem;
  margin-right: 40rem;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.category-title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  height: 100rem;
  width: 100%;
  background-color: #138db1;
  color: white;
  font-size: 42rem;
  font-weight: bold;
}
.category-item {
  font-size: 20rem;
}
.category-item-title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 65rem;
  padding: 0 30rem;
  border-bottom: 1rem solid #ccc;
  cursor: pointer;
}

@media screen and (max-width: 1200px) {
  .category {
    width: 100%;
    margin-right: 0;
  }
  .category-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 60rem;
    font-size: 28rem;
  }
  .category-item {
    font-size: 16rem;
  }
  .category-item-title {
    height: 50rem;
  }
}