/* pc端 */
@media (min-width:751px){
   
    .container{
        color: white;
        overflow: hidden;
    }
    .banner{
        width: 100%;
        /* height: 10rem; */
        position: relative;
        overflow: hidden;
    }
    #imgs{
        display: none;
    }
    .banner-content{
        width: 700px;
        height: 6rem;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        margin:0 auto;
    }
    .title-title{
        width: 100%;
        height: 1.1rem;
        font-size: 20px;
        text-align: center;
        position: relative;
        margin-top: 1rem;
    }
    .title-title::before{
        content: "";
        width: 1.5rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 65%; 
        left: 32%; 
    }
    .title-title::after{
        content: "";
        width: 1.5rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 65%; 
        right:32%; 
    }
    .title-title span{
        text-align: center;
        font-size:36px;
        font-weight: bold;
    }
    .two-level-title{
        width: 60%;
        border-left: 1px solid white;
        border-bottom: 1px solid white;
        border-top: 1px solid gainsboro;
        border-right: 1px solid gainsboro;
        text-align: center;
        position: relative;
        left: 50%;
        margin-left: -30%;
        margin-top:0.6rem ;
        margin-bottom: 1.2rem;
        box-sizing: border-box;
        font-size:20px;
        padding:6px 0;
    }
    .practice-box{
        width: 60%; 
        position: relative;
        left: 50%;
        margin-left: -30%;
        font-size: 16px;
    }
    .practice,.skill,.authentication{
        width: 100%;
        /* height: 0.8rem; */
        margin-bottom: 0.5rem;
    }
    .gets{
        line-height: 0.8rem;
        padding: 0 18px 0 18px;
        /* box-sizing: border-box; */
        border-radius: 0.5rem;
        background-color: rgb(253,183,71);
        font-size: 18px;
        display: inline-block;
        text-align: center;
    }
    .contents{
        display: inline-block;
        padding: 0 0.25rem 0 0.25rem;
        line-height: 0.8rem;
        font-size: 17px;
    }
    .btns-boxs{
        width: 100%;
        height: 5rem;
    }
    .register{
        width: 260px;
        height: 50px;
        background-color: rgb(253,183,71);
        border-radius: 5px;
        text-align: center;
        line-height: 50px;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 1.725rem;
        cursor: pointer;
    }
    .login{
        width: 260px;
        height: 50px;
        background-color: rgb(35,129,229);
        border-radius: 5px;
        text-align: center;
        line-height: 50px;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 0.7rem;
        cursor: pointer;
    }
    .tip{
        text-align: center;
        color:#666666;
        margin-top: 0.5rem;
        font-size: 14px;
    }
   

}
/* 
@media (min-width:1024px){
    .banner-content{
        width: 16rem;
        box-sizing: border-box !important;
        position: absolute;
        left:0;
        right: 0;
        top: .6rem;
        bottom:0;
        margin: auto;
    }
    .title-title{
        width: 100%;
        height: .3rem;
        font-size: 20px;
        text-align: center;
        position: relative;
    }
}

@media (min-width:1366px){
    .banner-content{
        width: 16rem;
        box-sizing: border-box !important;
        position: absolute;
        left:0;
        right: 0;
        top: 1.2rem;
        bottom:0;
        margin: auto;
    }
    .title-title{
        width: 100%;
        height: .6rem;
        font-size: 20px;
        text-align: center;
        position: relative;
    }
} */

@media(min-width:1400px){
    .container{
        color: white;
        overflow: hidden;
    }
    .banner{
        width: 100%;
        /* height: 10rem; */
        position: relative;
        overflow: hidden;
    }
    #imgs{
        display: none;
    }
    .banner-content{
        width: 700px;
        height: 6rem;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        margin:0 auto;
    }
    .title-title{
        width: 100%;
        height: 1.1rem;
        font-size: 20px;
        text-align: center;
        position: relative;
        margin-top: 2.25rem;
    }
    .title-title::before{
        content: "";
        width: 1.5rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 65%; 
        left: 32%; 
    }
    .title-title::after{
        content: "";
        width: 1.5rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 65%; 
        right:32%; 
    }
    .title-title span{
        text-align: center;
        font-size: 36px;
        font-weight: bold;
    }
    .two-level-title{
        width: 60%;
        border-left: 1px solid white;
        border-bottom: 1px solid white;
        border-top: 1px solid gainsboro;
        border-right: 1px solid gainsboro;
        text-align: center;
        position: relative;
        left: 50%;
        margin-left: -30%;
        margin-top:0.6rem ;
        margin-bottom: 1.2rem;
        box-sizing: border-box;
        font-size:20px;
        padding:6px 0;
    }
    .practice-box{
        width: 60%; 
        position: relative;
        left: 50%;
        margin-left: -30%;
        font-size: 16px;
    }
    .practice,.skill,.authentication{
        width: 100%;
        /* height: 0.8rem; */
        margin-bottom: 0.5rem;
    }
    .gets{
        line-height: 0.8rem;
        padding: 0 18px 0 18px;
        /* box-sizing: border-box; */
        border-radius: 0.5rem;
        background-color: rgb(253,183,71);
        font-size: 18px;
        display: inline-block;
        text-align: center;
    }
    .contents{
        display: inline-block;
        padding: 0 0.25rem 0 0.25rem;
        line-height: 0.8rem;
        font-size: 17px;
    }
    .btns-boxs{
        width: 100%;
        height: 5rem;
    }
    .register{
        width: 260px;
        height: 50px;
        background-color: rgb(253,183,71);
        border-radius: 5px;
        text-align: center;
        line-height: 50px;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 1.725rem;
        cursor: pointer;
    }
    .login{
        width: 260px;
        height: 50px;
        background-color: rgb(35,129,229);
        border-radius: 5px;
        text-align: center;
        line-height: 50px;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 0.7rem;
        cursor: pointer;
    }
    .tip{
        text-align: center;
        color:#666666;
        margin-top: 0.5rem;
        font-size: 14px;
    }
   
}

/* 移动端 */
@media (max-width:750px){
    *{
        margin: 0;
        padding: 0;
    }
    .container{
        width: 100%;
        height: 100%;
        overflow: hidden;
        color: white;
    }
    .banner{
        width: 100%;
        height: 270px;
        position: relative;
        background:url(../images/indexbg.jpg) center center no-repeat;
        background-size:cover;
    }
    #img, #imgs {
        display: none !important;
    }
    .banner-content{
        width: 16rem;
        box-sizing: border-box !important;
        position: absolute;
        left:0;
        right: 0;
        /* top: 1.85rem; */
        top: .5rem;
        bottom:0;
        margin: auto;
    }
    .title-title{
        width: 100%;
        height: 1.1rem;
        font-size: 20px;
        text-align: center;
        position: relative;
    }
    .title-title::before{
        content: "";
        width: 1rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 58%; 
        left:13%; 
    }
    .title-title::after{
        content: "";
        width: 1rem;
        height: 2px;
        position: absolute;
        background: rgb(245,245,245);
        top: 58%; 
        right:13%; 
    }
    .title-title span{
        text-align: center;
        line-height: 1rem;
    }
    .two-level-title{
        width: 100%;
        /* height: 0.9rem; */
        border-left: 1px solid white;
        border-bottom: 1px solid white;
        border-top: 1px solid gainsboro;
        border-right: 1px solid gainsboro;
        text-align: center;
        line-height: .9rem;
        margin-top: 0.5rem;
        margin-bottom: .7rem;
        box-sizing: border-box;
        font-size: 12px;
    }
    .practice-box{
        width: 100%; 
    }
    .practice,.skill,.authentication{
        width: 100%;
        margin-bottom: 0.5rem;
        display: flex;
        justify-content: space-around;
        align-items: center;
        }
    .gets{
        /* width: 5.2rem;
        box-sizing: border-box;
        height: 0.8rem;
        line-height: 0.8rem;
        padding: 0 0.25rem 0 0.25rem;
        box-sizing: border-box;
        border-radius: 0.5rem;
        background-color: rgb(253,183,71);
        font-size: 12px;
        text-align: center;
        display: inline-block; */
        
    width: 5rem;
    box-sizing: border-box;
    height: 1rem;
    line-height: 1rem;
    padding: 0 0.1rem 0 0.1rem;
    box-sizing: border-box;
    border-radius: 0.5rem;
    background-color: rgb(253,183,71);
    font-size: 14px;
    text-align: center;
    display: inline-block;
    }
    .contents{
        width: 70%;
        padding: 0 0.25rem 0 0.25rem;
        line-height: 0.8rem;
        font-size: 12px;
        margin-left: 0.5rem;
        box-sizing: border-box;
    }
    .btns-boxs{
        width: 100%;
        /* height: 5rem; */
        padding:  0 1rem 0 1rem;
        box-sizing: border-box;
    }
    .register{
        width: 100%;
        height: 1.875rem;
        background-color: rgb(253,183,71);
        border-radius: 5px;
        text-align: center;
        line-height: 2rem;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 2rem;
        cursor: pointer;
    }
    .login{
        width: 100%;
        height: 1.875rem;
        background-color: rgb(35,129,229);
        border-radius: 5px;
        text-align: center;
        line-height: 2rem;
        font-size: 18px;
        margin: 0 auto;
        margin-top: 0.8rem;
        cursor: pointer;
    }
    .tip{
        color:#666666;
        font-size: 14px;
        margin-top: 0.5rem;
    }
   
    
   
  
}