body{
    /* 背景图片样式(铺满屏幕+自适应) */
    background:url(../images/background-image.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* 大标题盒子样式 */
.dabiaoti{
    width: 100%;
    height: 100px;
    /* 临时样式，上线后注释 */
    background-color: rgba(255, 76, 189, 0.6);
}
.dabiaoti-h1-1{
    width: 100%;
    padding-top: 20px;
    /* font-size: 30px; */
}
.fg-hr{
    width: 85%;
    height: 2px;
    color: rgba(255,255,255,0.8);
}
/* 视频盒子样式 */

        #wrapper {
            width: 100%;
            margin: 0 auto;
            max-width: calc(100% - 4em);
            /*padding: 4em 0 2em 0;*/
            padding: 0px;
        }
    
            #wrapper > .main {
                margin-top: 2em;
                margin-bottom: 2em;
                background: linear-gradient(
                    to right bottom,
                    rgba(255,255,255,0.4),
                    rgba(255,255,255,0.05)
                );
                border-radius:10px;
                backdrop-filter: blur(8px);
                box-shadow: 10px 10px 20px rgba(0,0,0,0.2);
                border-top: 1px solid rgba(255,255,255,0.8);
                border-left: 1px solid rgba(255,255,255,0.8);
                text-align:center;
            }
    
            @media screen and (max-width: 980px) {
    
                #wrapper {
                    padding: 2em 0 2em 0;
                }
    
                    #wrapper > .main {
                        margin-bottom: 2em;
                    }
    
            }
    
            @media screen and (max-width: 736px) {
    
                #wrapper {
                    max-width: calc(100% - 2em);
                    /*padding: 1em 0 0.1em 0;*/
                    padding: 0px;
                }
    
                    #wrapper > .main {
                        margin-bottom: 1em;
                    }
    
            }
.video-style{
    width: 95%;
    margin-bottom: 20px;
}
.wrapper-main-h3{
    text-align: left;
    margin: 20px;
}
/* foot样式 */
.foot{
    width: 100%;
    height:80px;
    bottom: 0px;
    /* 临时样式，上线后注释 */
    background-color: rgba(255,255,255,0.4);
    padding-top: 30px;
}
.zhankongfu{
    width: 100%;
    height: 20px;
}