* {
    margin: 0;
    padding: 0;
}

ul,
li,
a {
    list-style: none
}

/* 两部曲 */
.installCourseBox_two {
    display: none;
}

/* 三部曲 */
.installCourseBox_three {
    display: none;
}
/* ios13.4系统 */
.installCourseBox_ios{
    display: none;
}
.container {
    padding: 4.67vmin 4.27vmin 0;
    position: relative;
    max-width: 650px;
    margin: 0 auto;
}

/* logo */
.top {
    display: flex;
}

.top .top_logo {
    width: 96px;
    height: 96px;
}

.top .top_logo img {
    width: 96px;
}

.top .top_dec_box {
    width: 100%;
    height: 96px;
    margin-left: 29px;
    box-sizing: border-box;
    position: relative;
}

.top .top_dec_box .title {
    width: 100%;
    font-size: 22px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 6px;
}


/* .top .top_dec_box .app_tit {
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(152, 152, 152, 1);
    margin-top: 6px;
    position: relative;
    left: 2px;
} */

.top .top_dec_box .download_btn {
    width: 64px;
    height: 23px;
    margin-top: 24px;
}

.top .top_dec_box .download_btn .btn_install {
    display: block;

    /* 去除a标签默认点击变色 */
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-select: none;
    -moz-user-focus: none;
    -moz-user-select: none;
    cursor: pointer;
}

.top .top_dec_box .download_btn img {
    width: 100%;
}

.top .top_dec_box .btn_doubt {
    width: 25px;
    height: 25px;
    position: absolute;
    right: 0;
    top: 0;
}

.top .top_dec_box .btn_doubt img {
    width: 25px;
}


/* 评级 */
.app_dec {
    height: 36px;
    margin-top: 22px;
    margin-bottom: 29px;
}

.app_dec .app_devc_left .grade {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(152, 152, 152, 1);
    float: left;
    position: relative;
    bottom: 3px;
}

.app_dec .app_devc_left .app_star {
    float: left;
    margin-left: 12px;
}

.app_dec .app_devc_left .app_star img {
    width: 74px;
}

.app_dec .app_devc_left .app_star div {
    margin-top: 2px;
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: 500;
    color: rgba(152, 152, 152, 1);
}

.app_dec .app_dec_right {
    float: right;
    font-size: 15px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(152, 152, 152, 1);
}

/* line */
.line {
    width: 100%;
    height: 1px;
    background: rgba(221, 221, 221, 1);
    border-radius: 50%;
}

/* 简介 */
.app_introduction {
    height: 180px;
}

.app_introduction .intro_tit {
    padding-top: 25px;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
}

.app_introduction .intro_dec {
    margin-top: 18px;
    height: 94px;
}

.app_introduction .intro_dec ul li {
    font-size: 12px;
    font-family: PingFang SC;
    /* font-weight: bold; */
    color: rgba(51, 51, 51, 1);
    margin-top: 15px;
}

.app_introduction .intro_dec ul li:first-child {
    margin-top: 0;
}

.app_introduction .intro_dec ul {
    float: left;
}

.app_introduction .intro_dec .dec_l {
    margin-right: 28px;
}

/* 评分 */
.score_mark {
    height: 150px;
    padding-top: 24px;
    box-sizing: border-box;
}

.score_mark .score_left {
    float: left;
}

.score_mark .score_left .score_left_tit {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
}

.score_mark .score_left .score_left_num {
    font-size: 45px;
    font-family: PingFang SC;
    font-weight: 800;
    color: rgba(51, 51, 51, 1);
}

.score_mark .score_left .score_left_dec {
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: 500;
    color: rgba(152, 152, 152, 1);
}

.score_mark .score_right {
    margin-top: 26px;
    float: right;
}

.score_mark .score_right img {
    width: 223px;
    height: 56px;
}

.score_mark .score_right .score_right_total {
    text-align: right;
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: 500;
    color: rgba(152, 152, 152, 1);
}

/* 信息 */
.app_info {
    padding-bottom: 26px;
}

.app_info .info_tit {
    margin-top: 25px;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
}

.app_info .info_detail li {
    height: 45px;
    line-height: 45px;
    border-bottom: 1px solid #F1F1F1;
}

.app_info .info_detail .detail_tit {
    padding-left: 2px;
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: 500;
    color: rgba(152, 152, 152, 1);
    float: left;
}

.app_info .info_detail .detail_content {
    font-size: 12px;
    font-family: PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
    float: right;
}


/* 适配ipad */
@media screen and (min-width : 768px)  {
    /* 适配pad字体 */
    .top .top_logo {
        width: 140px;
        height: 140px;
    }
    
    .top .top_logo img {
        width: 140px;
    }
    
    .top .top_dec_box {
        width: 100%;
        height: 140px;
        margin-left: 35px;
    }
    
    .top .top_dec_box .title {
        width: 100%;
        font-size: 28px;
    }
      
    .top .top_dec_box .download_btn {
        width: 84px;
        /* height: 23px; */
        margin-top: 36px;
    }
    
    .top .top_dec_box .download_btn .btn_install {
        display: block;
    
        /* 去除a标签默认点击变色 */
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        -webkit-user-select: none;
        -moz-user-focus: none;
        -moz-user-select: none;
    }
    
    .top .top_dec_box .download_btn img {
        width: 100%;
    }
    
    .top .top_dec_box .btn_doubt {
        width: 25px;
        height: 25px;
        position: absolute;
        right: 0;
        top: 0;
    }
    
    .top .top_dec_box .btn_doubt img {
        width: 25px;
    }
    
    
    /* 评级 */
    .app_dec {
        height: 44px;
    }
    
    .app_dec .app_devc_left .grade {
        font-size: 20px;
        font-family: PingFang SC;
        font-weight: bold;
        color: rgba(152, 152, 152, 1);
        float: left;
        position: relative;
        bottom: 3px;
    }
    
    .app_dec .app_devc_left .app_star {
        float: left;
        margin-left: 12px;
    }
    
    .app_dec .app_devc_left .app_star img {
        width: 110px;
    }
    
    .app_dec .app_devc_left .app_star div {
        font-size: 14px;
       
    }
    .app_dec .app_dec_right {
        font-size: 16px;
        
    }
    
    /* line */
    .line {
        width: 100%;
        height: 1px;
        background: rgba(221, 221, 221, 1);
        border-radius: 50%;
    }
    
    /* 简介 */
    .app_introduction {
        height: 230px;
    }
    
    .app_introduction .intro_tit {
        padding-top: 25px;
        font-size: 20px;
    }
    
    .app_introduction .intro_dec {
        margin-top: 18px;
        height: 98px;
    }
    
    .app_introduction .intro_dec ul li {
        font-size: 18px;
        margin-top: 15px;
    }
    
    .app_introduction .intro_dec ul li:first-child {
        margin-top: 0;
    }
    
    .app_introduction .intro_dec ul {
        float: left;
    }
    
    .app_introduction .intro_dec .dec_l {
        margin-right: 28px;
    }
    
    /* 评分 */
    .score_mark {
        height: 190px;
        padding-top: 24px;
        box-sizing: border-box;
    }
    
    .score_mark .score_left {
        float: left;
    }
    
    .score_mark .score_left .score_left_tit {
        font-size: 20px;
    }
    
    .score_mark .score_left .score_left_num {
        font-size: 48px;  
    }
    
    .score_mark .score_left .score_left_dec {
        font-size: 14px;
    }
    
    .score_mark .score_right {
        margin-top: 20px;
        float: right;
    }
    
    .score_mark .score_right img {
        width: 300px;
        height: 70px;
    }
    
    .score_mark .score_right .score_right_total {
        font-size: 14px; 
    }
    
    /* 信息 */
    .app_info {
        padding-bottom: 26px;
    }
    
    .app_info .info_tit {
        font-size: 20px;
       
    }
    
    .app_info .info_detail li {
        height: 48px;
        line-height: 48px;
        border-bottom: 1px solid #F1F1F1;
    }
    
    .app_info .info_detail .detail_tit {
        padding-left: 2px;
        font-size: 16px;
       
    }
    
    .app_info .info_detail .detail_content {
        font-size: 16px;
       
    }
    
}