body {
    background: #000;
}
body .main {
    max-width: 680px;
    margin: 0 auto;
    background-image: url('../img/tv-01.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    text-align: center;
    height: 100vh;
    position: relative;
}

#logo {
    padding-top: 60px;
}
#img-box {
    bottom: 0px;
    width: 420px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    height: 88vh;
}
#img-box img {
    position: absolute;
    bottom: 0;
    width: 100%;
    left: 0;
    right: 0;
    border-radius: 13px;
    box-shadow: rgb(97, 97, 107, 0.5) 0px 0px 0px 10px;
}

#action-box {
    position: absolute;
    bottom: 30px;
    width: 100%;
    left: 0;
    right: 0;
}

#btn-continue-watch {
    width: 80%;
    padding: 25px 20px;
    border: none;
    color: white;
    font-size: 22px;
    cursor: pointer;
    border-radius: 35px;
    background: linear-gradient(to right, #ff3399, #ffcc00); /* 左到右渐变 */
}

@media (max-width: 430px) {
    body .main {
        background-image: none;
    }
    #logo {
        padding-top: 10px;
    }
    #img-box {
        width: 100%;
    }
    #img-box img {
        box-shadow: none;
    }
    #action-box {
        bottom: 60px;
    }
}