.aling-center1 {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
.aling-center2 {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
}
.aling-center3 {
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.text-hidden1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cover-style {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
}
.cover-style .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.8;
  filter: alpha(opacity=80);
}
.writing {
  margin-bottom: 2rem;
}
.writing p {
  font-size: 16px;
  line-height: 28px;
  color: #999;
}
.more {
  height: 60px;
  font-size: 14px;
  line-height: 60px;
  background-color: #333;
  margin-bottom: 2rem;
  text-align: center;
}
.more a {
  display: block;
  width: 100%;
  height: 100%;
  color: #fff;
}
.enter {
  position: relative;
  margin-bottom: 1rem;
  width: 100%;
  height: 55.2vw;
  overflow: hidden;
}
.enter a {
  color: #fff;
  display: block;
  width: 100%;
  height: 100%;
}
.enter a img {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 100%;
}
.enter a strong,
.enter a em,
.enter a span {
  position: absolute;
  right: 0.8rem;
}
.enter a strong {
  font-size: 28px;
  top: 20px;
}
.enter a em {
  font-style: normal;
  font-size: 12px;
  top: 54px;
}
.enter a span {
  bottom: 20px;
  width: 42px;
  height: 42px;
  background: transparent url('../images/icon-enter.png') no-repeat center center;
  background-size: cover;
}
footer {
  margin-top: 2rem;
}
.btn-group {
  margin: 2rem 0;
  height: 2rem;
  line-height: 2rem;
  text-align: center;
  position: relative;
  font-size: 14px;
  border: 2px solid #ccc;
}
.btn-group div {
  width: 25%;
  height: 100%;
  position: absolute;
  top: 0;
}
.btn-group .prev-btn {
  left: 0;
  border-right: 1px solid #ccc;
}
.btn-group .next-btn {
  right: 0;
  border-left: 1px solid #ccc;
}
.btn-group > a {
  display: inline-block;
  width: 40%;
}