* {
    border: none;
    list-style: none;
    margin: 0;
    padding: 0;
    font-style: normal;
}
.focus {
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    background-color: #000;
}
.focus .hd {
  bottom: 1em;
  position: absolute;
  text-align: center;
  width: 100%;
  z-index: 1;
}
.focus .hd ul {
    font-size: 0;
    margin-bottom: 0;
}
.focus .hd ul li {
  background-color: #666;
  border-radius: 100%;
  transition: all .5s;
  display: inline-block;
  line-height: 0;
  margin: 0 5px;
  overflow: hidden;
  padding: 5px;
  opacity: 0.5;
}
.focus .hd ul .on{
    background-color: #f00;
}
.focus .hd ul li:hover{
    background-color: #f00;
}
.focus .bd {
    position: relative;
    z-index: 0;
}
.focus .bd li a {
  background-position: center;
  background-size: contain;
  padding: 5%;
  color: #fff;
  display: block;
  overflow: hidden;
  position: relative;
  text-align: center;
  min-height: 36em;
  max-height: 50vh;
}
.focus .bd li a::before {
	content: "";
	background-color: rgba(0,0,0,0.25);
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
}
.focus .fs_title{font-size: 2.5vw; font-weight: bold; text-transform: capitalize; height: 8.2vw;overflow: hidden;position: absolute;left: 32%; top:20%; width: 36%;}
.focus .fs_desc{font-size: 1.25vw;line-height: 1.5;margin-top: 10vw;overflow: hidden;position: absolute;left: 18%; top:20%; width: 64%;word-break: break-all;}
.focus .fs_control{position: absolute; top: 0; bottom: 0; left: 0; width: 20%; background: url(left.svg) no-repeat center; opacity: 0.2;}
.focus .fs_control.fs_next {left: inherit;right: 0;transform: scale(-1,1);}
.focus .fs_control:hover{background-image: url(left_over.svg); cursor: pointer; opacity: 1;}
.bd .on .fs_title{animation: moveup .5s;}
.bd .on .fs_desc{animation:moveup 2s;}
@keyframes moveup{ 
  0%{top:50%;opacity: 0;}
  100%{top:20%;opacity: 1;} 
} 
.focus .bd li .tit {
    background-color: rgba(0, 0, 0, 0.2);
    bottom: 0;
    color: #fff;
    display: block;
    height: 28px;
    line-height: 28px;
    position: absolute;
    text-indent: 10px;
    width: 100%;
}
@media screen and (max-width:480px){
    .focus .bd li a {font-size: 12px; padding: 15% 0; background-size: cover; min-height: 16vh;}
    .focus .title{font-size:2em}
}