.detail-wrap {
  display: flex;
}

.detail-wrap .nav-side {
  width: 280px;
  flex-shrink: 0;
  margin-right: 30px;
  display: flex;
  flex-direction: column;
}

.detail-wrap .nav-side a {
  color: #094067;
  border: 1px solid #ddd;
  width: 100%;
  height: 50px;
  line-height: 50px;
  padding: 0 30px 0 20px;
  border-radius: 4px;
  margin-bottom: 10px;
  background: url(../img/arrow.png) no-repeat calc(100% - 20px) center;
  transition: all ease 300ms;
}

.detail-wrap .nav-side a:hover,
.detail-wrap .nav-side a.active {
  padding-left: 40px;
  background: url(../img/w-arrow.png) no-repeat 20px center;
  color: #fff;
  background-color: #0f3d5b;
  border-color: transparent;
}

.detail-content {
  min-width: 0;
}

.detail-content article > h1 {
  font-size: 30px;
  color: #094067;
}

.detail-content article span {
  padding-left: 20px;
  margin-right: 20px;
  color: #5f6c7b;
}

.detail-content article .time {
  background: url(../img/clock.png) no-repeat left center;
}

.detail-content article .author {
  background: url(../img/user.png) no-repeat left center;
}

.detail-content article .view-count {
  background: url(../img/eye.png) no-repeat left center;
}

.article-body {
  font-size: 14px;
  color: #094067;
  line-height: 2;
}

.article-body p {
  text-indent: 2em;
  margin-bottom: 20px;
}

.article-body img {
  max-width: 100%;
}

.article-body .img-wrap {
  text-align: center;
}

@media screen and (max-width: 1200px) {
  .detail-wrap {
    flex-wrap: wrap;
  }

  .detail-wrap .nav-side {
    width: 100%;
    flex-shrink: 0;
    margin-right: 0;
    display: flex;
    flex-direction: column;
  }
}

.detail-content {
  min-width: 0;
  flex-grow: 1;
}