.z-main {
    margin: 30px auto;
    width: 1200px;
}
.z-listBox {
    flex-wrap: wrap;
    justify-content: space-around;
}
.z-list {
    width: 230px;
    margin-top: 30px;
}
.z-list .z-img img {
    width: 230px;
    height: 180px;
}
.z-shiting {
    position: relative;
    margin-top: -30px;
    margin-left: 225px;
    font-size: 12px;
    color: #fff;
    margin-bottom: 20px;
}
.z-list .z-shiting img {
    width: 10px;
    height: 10px;
    margin-right: 5px;
}
.z-courseTitle {
    color: #000;
    font-size: 14px;
    text-align:center;
}
.z-number {
    color: #999;
    font-size: 12px;
    margin-top: 10px;
    font-size: 12px;
    text-align:center;
}
.z-price {
    margin-top: 10px;
    color: #f4621f;
    font-size: 18px;
}
.z-price span {
    font-size: 14px;
    color: #999;
    margin-left: 20px;
}
.z-page {
    margin-top: 30px;
    margin-left: 280px;
}
.z-page ul li {
    border: 1px solid #e0e0e0;
    margin-left: 10px;
    padding: 0 10px;
    height: 25px;
    line-height: 25px;
    color: #333;
}
.z-input input {
    border: none;
    width: 40px;
}
.z-page ul li.z-hrefBtn {
    color: #fff;
    background-color: #f4621f;
    border: 1px solid #f4621f;
}
/*详情*/
 .z-right {
    margin-left: 50px;
    margin-top: 30px;
}
.z-buyBtn {
    background-color: #ff3f29;
    color: #fff;
    margin-top: 25px;
    padding: 5px;
    border-radius: 5px;
    width: 120px;
    text-align: center;
}
.z-muluBox {
    margin-top: 30px;
}
.z-muluBox h3 {
    font-weight: normal;
    padding-bottom: 10px;
    border-bottom:1px solid #999;
}
.z-mulu {
    background-color: #f6f6f6;
}
.z-mulu, .z-keshiList {
    height: 35px;
    line-height: 35px;
    color: #999;
    padding: 0 20px;
}
.z-keshiList {
    justify-content: space-between;
}
.z-keshiList i {
    color: #ff3f29;
    font-size: 12px;
    margin-right: 20px;
}
.z-keshiList span {
    display: inline-block;
    border: 1px solid #e0e0e0;
    margin-top: 5px;
    font-size: 12px;
    height: 20px;
    line-height: 20px;
    padding:0 10px;
    margin-right: 20px;
}

@media (max-width: 639px) {
	.z-main {
	    margin: 30px auto;
	    width: 100%;
	    overflow: hidden;
	}
	.z-main .z-listBox .z-left {
		flex-direction: column;

	}
	.z-main .z-listBox .z-left .z-img{
		width: 100%;
       text-align: center;
	}
	.z-main .z-listBox .z-left .z-right {
	    
	        margin: 30px auto 5px auto;
    		width: 85%;
	}
     .z-main .z-listBox .z-left .z-buyBtn { width: 100%}
	.z-muluBox {
   		  margin: 5px;
	}
	.z-keshiList span{
		margin-right: 8px;
	}
	

}