#img_list {
    width: 1200px;
    margin: 0 auto;
}

#img_list img {
    border: 0;
    padding: 0;
    margin: 0;
    display: block;
    width: 100%;
}

#item {
    background: #f5f5f5;
    height: 50px;
    line-height: 50px;
    color: #999999;
    font-size: 15px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 30px;
}

.item_class {
    margin-right: 30px;
}

#item .pipe {
    color: #333;
    padding: 0 15px;
}

#item .a {
    color: #126ee0;
}

.price {
    float: right;
}

#item .buy {
    width: 120px;
    height: 30px;
    color: #fff;
    background: #0078d7;
    text-align: center;
    float: right;
    display: block;
    line-height: 30px;
    margin-top: 10px;
    margin-left: 20px;
    float: right;
}

#item {
    margin-bottom: 0;
}

.mobile img {
    display: block;
    margin: 0;

}

.pc_xq {
    background-position: center;
}

.pc {
    display: block;
}

.mobile {
    display: none;
}

.price_bar {
    position: fixed;
    left: 0;
    bottom: 0;
    height: 42px;
    line-height: 42px;
    background: #f5f5f5;
    z-index: +99;
    width: 100%;
    display: none;
}

.price_bar span {
    display: block;
    text-align: center;
    color: #0074ff;
    padding-right: 200px;
}

.price_bar .buy {
    width: 100px;
    height: 42px;
    color: #fff;
    background: #0074ff;
    display: inline-block;
    text-align: center;
    position: absolute;
    right: 0;
    top: 0;
}

.price_bar .buy.left {
    right: 100px;
}

@media screen and (max-width: 750px) {
    .pc {
        display: none;
    }

    .mobile {
        display: block;
    }

    .mobile img {
        width: 100%;
    }

    .m_item {
        background: #f5f5f5;
        height: 50px;
        line-height: 50px;
        color: #999999;
        font-size: 15px;
        border-bottom: 1px solid #ccc;
    }

    .m_item p {
        margin-left: 15px;
        float: left;
    }

    .m_buy {
        width: 120px;
        height: 30px;
        color: #fff;
        background: #0078d7;
        text-align: center;
        float: right;
        display: block;
        line-height: 30px;
        margin-top: 10px;
        margin-right: 15px;
    }

    .price_bar {
        display: block;
    }
}