div, ul, li, h1, h2, h3, h4, h5, h6, p, dl, dt, dd, ol, form, input, textarea, th, td, select{
    margin: 0;
    padding: 0;
}
ul,li{
    list-style: none;
}
.columns::after{
    display: none;
}
.crowpi_banner{
    width: 100%;
}
.crowpi_banner img{
    width: 100%;
    height: auto;
    border: none;
}
.crowpi_main{
    max-width: 1300px;
    margin:0 auto;
}
.home-intr ul{
    width: 95%;
    margin: 30px auto;
    display: flex;
    justify-content: center;
    text-align: center;
    margin-bottom: 80px;
    padding: 0;
}
.home-intr ul li{
    border-right: 1px solid #F0F0F0;
    padding: 0 40px;
    margin: 0;
}
.home-intr ul li:nth-of-type(4){
    border: none;
}
.home-intr ul>li .nav_icon{
    width: 40px;
    height: 40px;
    margin: auto;
    background-size: 100% 100%;
}
.home-intr ul>li .moneyBack{
    background: url("../img/icon_nav.png") no-repeat;
    background-position: -100px -400px;
}
.home-intr ul>li .monthsWarranty{
    background: url("../img/icon_nav.png") no-repeat;
    background-position: -200px -400px;
}
.home-intr ul>li .lifetime{
    background: url("../img/icon_nav.png") no-repeat;
    background-position: -300px -400px;
}
.home-intr ul>li .worldwide{
    background: url("../img/icon_nav.png") no-repeat;
    background-position: -400px -400px;
}
.home-intr ul>li h6{
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
    margin: 12px 0 10px 0;
}
.home-intr ul>li p{
    font-size: 12px;
    font-weight: 400;
    line-height: 18px;
    color: #999999;
}
.crowpi_series h4,.crowpi_learn h4{
    text-align: center;
    font-size: 36px;
    font-family: Roboto;
    font-weight: 500;
    color: #333333;
    line-height: 42px;
    margin-bottom: 30px;
}
.crowpi_series ul,.crowpi_list ul{
    width: 95%;
    margin: 0 auto;
    display: flex;
    justify-content:space-between;
    flex-wrap: wrap;
    margin-bottom: 80px;
}
.crowpi_series ul li{
    width: 28%;
    border: 1px solid #F0F0F0;
    border-radius: 8px;
    padding: 15px;
    text-align: left;
}
.series_img{
    width: 60%;
    margin: 0 auto;
}
.series_img img,.learn_img img,.list_img img,.featured_img img{
    width: 100%;
    height: auto;
    border: none;
}
.crowpi_series h6{
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #333333;
    line-height: 18px;
    height: 36px;
    margin: 15px 0;
}
.series_money{
    display: flex;
    justify-content: space-between;
}
.series_money span{
    font-size: 18px;
    font-weight: 500;
    color: #FE4E17;
    line-height: 25px;
}
.series_money button.series_add{
    display: none;
    background: #00A0F0;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 25px;
    border: none;
    outline: none;
    padding:0 20px;
    cursor: pointer;
}
.crowpi_series ul li:hover .series_money button.series_add{
    display: block;
}
.crowpi_series ul li:hover{
    box-shadow: 6px 6px 10px rgb(0 0 0 / 10%);
    border: 1px solid #03a9f49e;
}
.crowpi_learn ul{
    width: 95%;
    margin: 0 auto;
}
.crowpi_learn ul li{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 35px 0;
}
.learn_img{
    width: 48%;
}
.learn_common{
    width: 48%;
    background: #FAFAFA;
    padding: 20px 50px;
    text-align: center;
    font-family: Roboto;
    font-weight: bold;
    color: #333333;
}
.learn_common h5{
    font-size: 30px;
    line-height: 35px;
}
.learn_common h6{
    font-size:20px;
    line-height: 25px;
    margin: 20px 0;
}
.learn_common p{
    font-size: 14px;
    font-weight: 400;
    color: #191919;
    line-height: 22px;
    margin-bottom: 40px;
}
.learn_common a{
    font-size: 16px;
    color: #333333;
    line-height: 22px;
}
.learn_common a:hover{
    color: #00A0F0;
}
.crowpi_list ul li{
    width: 22%;
    text-align: center;
}
.list_up .list_img{
    width: 100px;
    height: 100px;
    background: url("../img/icon_crowpi.png") no-repeat;
    margin: 0 auto;
}
.list_up .crowpi_any{
    background-position: -100px -100px;
}
.list_up .crowpi_computer{
    background-position: -300px -100px;
}
.list_up .crowpi_borad{
    background-position: -500px -100px;
}
.list_up .crowpi_course{
    background-position: -700px -100px;
}
.crowpi_list h6{
    font-size: 16px;
    font-family: Roboto;
    font-weight: bold;
    color: #333333;
    line-height: 25px;
}
.crowpi_list p{
    font-size: 14px;
    font-family: Roboto;
    font-weight: 400;
    color: #191919;
    line-height: 22px;
    margin-top: 10px;
}
.crowpi_featured{
    width: 100%;
    background: #FAFAFA;
    padding: 35px 0;
}
.crowpi_featured h3{
    font-size: 36px;
    font-family: Roboto;
    font-weight: 500;
    color: #333333;
    line-height: 40px;
    text-align: center;
    margin-bottom: 40px;
}
.featured_box{
    width: 68%;
    height: 388px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding: 35px;
}
.featured_box ul{
    width: 295%;
    display: flex;
    justify-content:space-around;
    position: absolute;
    top: 35px;
    left: 0;
}
.featured_box ul li{
    width: 30%;
    text-align: center;
    font-size: 16px;
    font-family: Roboto;
    font-weight: 400;
    color: #191919;
}
.featured_img{
    width: 80px;
    margin: 0 auto;
}
.featured_box ul li p{
    width: 90%;
    margin: 20px auto;
}
.featured_box .featured_sp{
    font-weight: bold;
}
.featured_button{
    width: 40px;
    height: 40px;
    position: absolute;
    top: 45%;
}
.featured_prev{
    background-image: url("../img/icon-left.png");
    background-size: 40px 40px;
    left: 0;
}
.featured_prev:hover{
    background-image: url("../img/icon-left-blue.png");
}
.featured_next{
    width: 40px;
    height: 40px;
    background-image: url("../img/icon-right.png");
    background-size:  40px 40px;
    right: 0;
}
.featured_next:hover{
    background-image: url("../img/icon-right-blue.png");
}
.featured_pot{
    display: flex;
    justify-content: center;
    position: absolute;
    left: 47%;
    bottom: 35px;
}
.featured_pot_item{
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    margin: 0 5px;
    cursor: pointer;
}
.featured_pot_hide{
    display: none;
}
.featured_pot .featured_pot_active{
    background-color: #00A0F0;
}
@media (min-width: 970px) and (max-width: 1300px){
    .featured_box{
        width: 80%;
        height: 440px;
    }
}
@media (min-width: 768px) and (max-width:970px){
    .home-intr ul,.series_money{
        flex-wrap: wrap;
    }
    .home-intr ul li{
        border: none;
        margin-bottom: 20px;
        padding: 0 20px;
    }
    .crowpi_series ul{
        width: 100%;
        margin: 0;
        justify-content:space-around;
    }
    .crowpi_series ul li{
        margin-bottom:20px;
    }
    .crowpi_series h6{
        height: auto;
    }
    .series_money button.series_add{
        display: block;
    }
    .learn_img{
        width: 100%;
    }
    .learn_common{
        width: 100%;
    }
    .crowpi_list ul li{
        width: 47%;
    }
    .featured_box{
        width: 100%;
        min-height: 490px;
        padding: 35px 0;
    }
    .featured_prev{
        left: 8px;
    }
}
@media (max-width:767px){
    .home-intr ul,.series_money{
        flex-wrap: wrap;
    }
    .home-intr ul li{
        border: none;
        margin-bottom: 20px;
    }
    .crowpi_series ul{
        width: 100%;
        margin: 0;
        justify-content:space-around;
    }
    .crowpi_series ul li{
        width: 35%;
        margin-bottom:20px;
    }
    .crowpi_series h6{
        height: auto;
    }
    .series_money button.series_add{
        display: block;
    }
    .learn_img{
        width: 100%;
    }
    .learn_common{
        width: 100%;
        padding: 20px 25px;
    }
    .crowpi_list ul li{
        width: 47%;
    }
    .featured_box{
        width: 100%;
        height: 440px;
        padding: 35px 0;
    }
    .featured_box ul{
        width: 900%;
    }
    .featured_pot{
        left:25%;
    }
    .featured_pot_hide{
        display: block;
    }
}