html,body{
    width:100%;
    height:100%;
    margin:0;
    padding: 0;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 16px;
}
body{

    background:#333333;
    background-image:linear-gradient(231deg,#4f4f4f, #111111);
    position:absolute;

}
/* 移动端去除点击高亮 */
*{
    -webkit-tap-highlight-color:transparent;
 }
/* 移动端禁用长按页面弹出菜单 */
img,a{
    -webkit-touch-callout: none;
}
a{
    text-decoration: none;
}
/* ios加上这个属性才能自定义输入框、按钮样式 */
input{
    -webkit-appearance: none;
}

#bg{
    width:100%;
    height:100%;
    background:#333333;
    background-image:linear-gradient(231deg,#4f4f4f, #111111);
    position:fixed;
    left:0;
    top: 0;
    z-index:-1;
}

#width-wrap{
    width:100%;
    height:100%;
    margin:0 auto;
    max-width:1000px;
    display:flex;
    flex-flow:column nowrap;
    justify-content:space-between;
    align-items:center;
}
#header{
    width:100%;
    text-align: center;
    /* border-bottom:solid 1px #474747; */
}
#logo-a{
    display:inline-block;
}
#logo{
    width:220px;
    height:100%;
    max-height:100px;
    display:block;
    margin:50px auto 0 auto;
    user-select:none;
    -ms-user-select:none;
}
#content-wrap{
    width:80%;
    text-align: center;
    font-size:0px;

}
#duanzi-text{
    text-align:center;
    font-size:26px;
    color:white;
    display: block;
    padding:40px;
    border-radius: 10px;
    border:3px solid white;
    width:100%;
    box-sizing:border-box;
    font-weight:lighter;
}

.duanzi-text-bottom{
    display:inline-block;
    border:3px solid white;
    border-top:none;
    border-bottom-right-radius:10px;
    border-bottom-left-radius:10px;
    height:10px;
}

.duanzi-text-bottom1{
    width:90%;
    opacity:.3;
}

.duanzi-text-bottom2{
    width:80%;
    opacity:.1;
}




#bottom{
    width:100%;
    margin:10px auto;
}
#next-btn-box{
    width:130px;
    height:40px;
    position:relative;
    margin:0px auto 50px auto;
}
#next-btn{
    width:100%;
    height:100%;
    line-height:40px;
    font-weight: lighter;
    background:#e00025;
    background-image: linear-gradient(125deg, #f02f0d, #e00025);
    border-radius:100px;
    text-align:center;
    color:white;
    cursor:pointer;
    user-select:none;
    -ms-user-select:none;
    position:absolute;
    left:0;
    top:0;
}
#bottom-text-box{
    display:block;
    width:100%;
    box-sizing:border-box;
    padding:0 20px;
    color:#585858;
    text-align:center;
    font-size:12px;
}
#bottomDuanzi{
    text-decoration:underline;
    color:#585858;
}

#qiafan-wrap{
    display:none;
    width:80%;
    max-width:450px;
    margin:10px auto;
    overflow: hidden;
    border-radius:8px;
    line-height:0;
    position: relative;
}
.qiafan-img{
    width:100%;
    user-select: none;
    -ms-user-select: none;
}
.qiafan-btn{
    width:40px;
    display: block;
    cursor: pointer;
    user-select: none;
    -ms-user-select: none;
    border-bottom-left-radius:4px;
    position:absolute;
    top:0;
    right:0;
}




/* 窄屏幕 */
@media (max-width:900px){
    #logo{
        width:200px;
        margin:40px auto 0 auto;
    }

    #duanzi-text{
        font-size:22px;
        padding:20px;
        border:2px solid white;
    }

    .duanzi-text-bottom{
        border:2px solid white;
        border-top:none;
        height:8px;
    }

    #next-btn-box{
        margin:0px auto 30px auto;
    }
}
/* 宽屏幕 */
@media (min-width:1600px){
    #logo{
        width:250px;
        margin:60px auto 0 auto;
    }

    #duanzi-text{
        font-size:30px;
    }


    #next-btn-box{
        margin:0px auto 60px auto;
    }
}