footer{background:none;margin-top:20px;color:#666;font-size:14px;}
footer a{color:#666; text-decoration:none;font-size:14px;}
#playWrap {
    width: 100%;
    max-width: none;  
    height: 600px; 
}

/* 移动端自适应 */
@media (max-width: 768px) {
    #playWrap {
        height: auto;
        min-height: 400px;
    }
}