.rutube-responsive {
    position: relative;
    max-width: 100%;
    overflow: hidden;
}

.rutube-responsive iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.rutube-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rutube-play-btn {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.8);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

.rutube-play-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-40%, -50%);
    border-style: solid;
    border-width: 15px 0 15px 25px;
    border-color: transparent transparent transparent #000;
}

.rutube-play-btn.rutube-ripple {
    animation: rutube-pulse 1.5s infinite;
}

@keyframes rutube-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255,255,255,0.5);
    }
    70% {
        box-shadow: 0 0 0 25px rgba(255,255,255,0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255,255,255,0);
    }
}