html {
  box-sizing: border-box;
  font-size: 62.5%;
}
html *,
html *:before,
html *:after {
  box-sizing: inherit;
}
*{margin:0;padding:0;list-style-type:none;}


.container {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	width: 1200px;
	margin-top: 10px;
	margin-right: 0;
	margin-bottom: 10px;
	margin-left: 0;
	height: auto;
}

.card {
	width: 240px;
	margin: 30px;
	background-color: white;
	box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.5);
}
.card:hover .card__caption {
  top: 50%;
  transform: translateY(-50%);
}
.card:hover .card__image {
  transform: translateY(-10px);
}
.card:hover .card__thumb::after {
  top: 0;
}
.card:hover .card__snippet {
  margin: 20px 0;
}
.card__thumb {
  position: relative;
  max-height: 500px;
  overflow: hidden;
}
.card__thumb::after {
  position: absolute;
  top: 0;
  display: block;
  content: '';
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 40%, rgba(255, 255, 255, 0) 100%);
  transition: .3s;
}
@media (min-width: 1024px) {
  .card__thumb::after {
    top: calc(100% - 140px);
  }
}
.card__image {
  transition: .5s ease-in-out;
}
.card__caption {
  position: absolute;
  top: 50%;
  z-index: 1;
  padding: 0 20px;
  color: white;
  transform: translateY(-50%);
  text-align: center;
  transition: .3s;
}
@media (min-width: 1024px) {
  .card__caption {
    top: calc(100% - 110px);
    transform: unset;
  }
}
.card__title {
	display: -webkit-box;
	max-height: 85px;
	overflow: hidden;
	font-family: "微软雅黑";
	font-size: 23px;
	line-height: 28px;
	text-shadow: 0px 1px 5px black;
	text-overflow: ellipsis;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
}
.card__snippet {
	display: -webkit-box;
	max-height: 150px;
	margin: 20px 0;
	overflow: hidden;
	font-family: "微软雅黑";
	font-size: 16px;
	line-height: 20px;
	text-overflow: ellipsis;

  transition: .5s ease-in-out;
	-webkit-line-clamp: 5;
	-webkit-box-orient: vertical;
}
@media (min-width: 1024px) {
  .card__snippet {
    margin: 60px 0;
  }
}
.card__button {
	display: inline-block;
	padding: 10px 20px;
	color: white;
	border: 1px solid white;
	font-family: "微软雅黑";
	font-size: 12px;
	text-transform: uppercase;
	text-decoration: none;

  transition: .3s;
}
.card__button:hover {
  color: black;
  background-color: white;
}