.poster {
  width: 100%;
  height: 400px;
  background-color: #84000B;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.img-poster {
  height: 100%;
}
.index-btns {
  position: absolute;
  right: 40px;
  bottom: 20px;
  display: flex;
  height: 40px;
}
.index-btns > .user {
  margin-right: 10px;
}
/* 这里的卡片和分栏结构就比较接近bootstrap了，可惜视觉做的太古板，如果愿意的话改成Material Design就更好了 */
.split-lg > .card {
  width: 440px;
  flex-shrink: 0;
  margin: 0 5px;
}
.card-header {
  padding: .5em;
  font-size: 20px;
  border-bottom: 1px solid #e6e6e6;
}
.card-body {
  padding: 10px 5px;
}

.split-lg {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.img-list {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  margin: -3px -5px;
  align-items: flex-start;
}
.img-list > img {
  width: 200px;
  margin: 3px 5px;
}

.message-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}
.message-list > li {
  line-height: 20px;
  padding: 8px 0;
  position: relative;
}
/* list disk */
.message-list > li::before {
  content: "";
  width: 8px;
  height: 8px;
  background-color: #DADADA;
  margin-right: 10px;
  border-radius: 50%;
  display: inline-block;
}

@media (max-width: 980px) {
  .split-lg > .card {
    width: 100%;
    margin-bottom: 20px;
  }
}