.v-wrap ul li {
  cursor: pointer;
  width: 31.42%;
  margin-right: 2.6%;
  margin-bottom: 45px;
}
.v-wrap ul li .poster {
  position: relative;
}
.v-wrap ul li .poster img {
  height: 250px;
}
.v-wrap ul li .v-btn {
  width: 80px;
  height: 80px;
  background: url(../images/play.png) center center no-repeat;
}
.v-wrap ul li .v-mask {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.35);
}
.v-wrap ul li:nth-child(3n) {
  margin-right: 0;
}
.v-wrap ul li .info {
  height: 70px;
}

.operation-wrap .item {
  padding-bottom: 50px;
  border-bottom: 1px solid #dcdcdc;
  margin-bottom: 70px;
}
.operation-wrap .item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}
.operation-wrap .item .poster {
  width: 34.2%;
}
.operation-wrap .item .info {
  width: 62%;
}
.operation-wrap .item .info .c-title {
  color: #012ae6;
}
.operation-wrap .item .ul li {
  margin-bottom: 30px;
}
.operation-wrap .item .ul li:last-child {
  margin-bottom: 0;
}

@media only screen and (max-width: 640px) {
  .v-wrap ul li {
    width: 100%;
    margin-right: 0 !important;
    margin-bottom: 25px;
  }
  .v-wrap ul li .info {
    height: auto;
    line-height: 1.5;
  }
  .v-wrap ul li .v-btn {
    width: 50px;
    height: 50px;
    -o-background-size: 100% 100%;
       background-size: 100% 100%;
  }
}