.lb-box {
  width: 100%;
  height:auto;
  position: relative;
  overflow: hidden;
  float:left;
}
 @media screen and (max-width: 780px) {
	 .lb-box { width: 100%;}
 }
@media (max-width:568px) {
  .lb-box {
    width: 100%;
    height:100%;
  }
}

.lb-content {
  width: 100%;  
  height: 100%;
}

.lb-item {
  width: 100%;  
  height: 100%;
  display: none;
  position: relative;   
}
.lb-item img { width:100%; height:auto;}

.lb-item > a {
  width: 100%;
  height: 100%;
  display: block;
}

.lb-item > a > img {
  width: 100%;
  height: 100%;
}

.lb-item > a > span {
  width: 100%;
  display: block;
  position: absolute;
  bottom: 0px;
  padding: 15px;
  color: #fff;
  background-color: rgba(0,0,0,0.7);
}
@media (max-width:568px) {
  .lb-item > a > span {
    padding: 10px;
  }
}

.lb-item.active {
  display: block;
  left: 0%;
}
.lb-item.active.left {
  left: -100%;
}
.lb-item.active.right {
  left: 100%;
}

/*  */
.lb-item.next,
.lb-item.prev {
  display: block;
  position: absolute;
  top: 0px;
}
.lb-item.next {
  left: 100%;
}
.lb-item.prev {
  left: -100%;
}
.lb-item.next.left,
.lb-item.prev.right {
  left: 0%;
}

.lb-sign {
  position: absolute;
  right: 10px;
  top: 0px;
  padding: 5px 3px;
  border-radius: 6px;
  list-style: none;
  user-select: none;
  /*background-color: rgba(0,0,0,0.7);*/
}

.lb-sign li {
  width: 22px;
  height: 20px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  text-align: center;
  float: left;
  color: #aaa;
  margin: auto 4px;
  border-radius: 3px;
  cursor: pointer;
}
.lb-sign li:hover {
  color: #fff;
}
.lb-sign li.active {
  color: #000;
  /*background-color: #EBEBEB;*/
}

.lb-ctrl {
 position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 40px;
    font-weight: 100;
    user-select: none;
    background-color: rgb(208, 28, 20,0.5);
    color: #fff;
    cursor: pointer;
    transition: all 0.1s linear;
    line-height: 65px;
    height: 45px;
	width:45px;
}
@media (max-width:568px) {
  .lb-ctrl {
    font-size: 30px;
  }
}
.lb-ctrl.left {
  left: 0;
  background:url(../images/zjt.png) no-repeat #000;
  opacity:.4;
}
.lb-ctrl.right {
  right: 0;
  background: url(../images/yjt.png) no-repeat #000;
  opacity:.4;
  
}
.lb-box:hover .lb-ctrl.left {
  left: 0;
}
.lb-box:hover .lb-ctrl.right {
  right: 0;
}
.lb-ctrl:hover {
	opacity:1;}