* {
  margin: 0;
  padding: 0;
}

.body {
  width: 100%;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  background-color: #f7f7f7;
}

.none{
	display: none;
}

ul>li {
  list-style-type: none;
  color: #000;
}

.icon{
  width: 20px;
  height: 20px;
  background: url('../img/jlt.png');
  background-repeat: no-repeat;
  background-position: -96px -16px;
  display: inline-block;
  vertical-align:middle;
}

.n_item .on{
  color:#101010;
  width: 100%;
  left: 0;
  transition: all .2s linear;
}

.foot_{
  width: 100%;
  height: 150px;
  background-color: #fff;
}

.foot_ .foot{
  width: 1200px;
  height: 150px;
  margin:0 auto;
}

/* 头 */
.top_box {
  width: 100%;
  height: 380px;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.top_box .head_box {
  width: 100%;
  height: 80px;
  overflow: hidden;
  position: fixed;
  top: 0;
  z-index: 100;
  background-color: #FED501;
}

.top_box .head {
  width: 1200px;
  height: 80px;
  overflow: hidden;
  margin: 0 auto;
}

.top_box .bunner {
  width: 1200px;
  height: 300px;
  margin: 0 auto;
  overflow: hidden;
}

/* 标题 */
.big_box {
  width: 1200px;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0 auto;
}

.big_box .content {
  width: 100%;
  height: auto;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.big_box .item_box {
  width: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
  margin-top: 10px;
}


.big_box .item_box .title {
  width: 100%;
  height: 48px;
  line-height: 48px;
  font-size: 36px;
  margin: 30px 0;
}

/* 导航栏 */
.item_box .nav {
  width: 100%;
  height: 50px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 0 20px;
	background-color: #fff;
}

.item_box .nav .n_left>ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.item_box .nav .n_left {
  width: 600px;
}

.item_box .nav .n_right {
  width:100px;
  text-align: right;
  cursor: pointer;
}
.item_box .nav .n_right span{
  font-size: 14px;
  color:#999;
}
.n_item{
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  height: 50px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right:40px;
  cursor: pointer;
  color:#B8B8B8;
}
.n_item div{
  display: inline-block;
}
.n_item span{
  display: block;
  width: 0;
  height: 2px;
  background-color: #101010;
  position: absolute;
  bottom: 0;
  left: 50%;
}

/* bunner */
.swiper-container {
  width: 1200px;
  height: 300px;
  margin-top:80px;
}
.swiper-container .swiper-slide img{
  width: 100%;
  height: 100%;
}
/* 歌曲列表 */
.item_box .list_box {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.list_box .lb_item {
  width: 200px;
  height: 260px;
  margin: 20px 25px;
  position: relative;
  cursor: pointer;
}

.list_box .lb_item:nth-child(1) {
  width: 200px;
  height: 260px;
  margin-left: 0;
}

.list_box .lb_item:nth-child(5) {
  width: 200px;
  height: 260px;
  margin-right: 0;
}

.list_box .lb_item:nth-child(6) {
  width: 200px;
  height: 260px;
  margin-left: 0;
}

.list_box .lb_item:nth-child(10) {
  width: 200px;
  height: 260px;
  margin-right: 0;
}

.lb_item .vip,
.lb_item .pay {
  width: 78px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  position: absolute;
  top: 170px;
  right: 0;
  z-index: 1;
  color: #101010;
  font-size: 14px;
}

.lb_item .vip {
  background-color: #FED501;
}

.lb_item .pay {
  background-color: #ef8935;
}

.lb_item img {
  width: 200px;
  height: 200px;
  display: block;
	background: url('../img/img.png');
  background-repeat: no-repeat;
}

.lb_item .music_name {
  width: 100%;
  height: 36px;
  line-height: 36px;
  font-size: 18px;
  font-weight: 600;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb_item .music_author {
  width: 100%;
  height: 24px;
  line-height: 24px;
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 课程列表 */
.list_box .lb_item_{
  width: 560px;
  height: 200px;
  position: relative;
  margin:40px;
  display: inline-block;
  overflow: hidden;
  border-radius: 10px;
}
.list_box .lb_item_:nth-child(1){
  margin-left:0;
  margin-bottom: 0;
}
.list_box .lb_item_:nth-child(2){
 margin-bottom: 0;
 margin-right: 0
}
.list_box .lb_item_:nth-child(3){
  margin-left:0;
}
.list_box .lb_item_:nth-child(4){
  margin-right: 0;
}
.list_box .lb_item_ img{
  /* width: 560px; */
  border-radius: 15px;
  height: 200px;
  display: block;
	background: url('../img/imgi.png') no-repeat;
	/* background-position: 175px 0px; */
}
.list_box .lb_item_ .discounts,
.list_box .lb_item_ .overflow{
  width: 100px;
  height: 34px;
  text-align: center;
  line-height: 34px;
  font-size: 14px;
  color:#fff;
  position: absolute;
  top:0;
  left: 0;
}
.list_box .lb_item_ .discounts{
  background-color: #12D6D7;
}
.list_box .lb_item_ .overflow{
  background-color: #F58F09;
}
.diff_star{
  width: 20px;
  height: 20px;
  display: block;
}
.img_scale div{
	transition: all 0.6s;
}
.img_scale div:hover{
	transform: scale(0.9);
}
.img_scale1:hover{
	transform: scale(1.05);
}
.img_scale1{
	transition: all 0.6s;
}