.ct> p {
    font-family: 'Lato', sans-serif;
    letter-spacing: 1px;
    font-size: 30px;
    color: #333333;
    font-weight: bold;
}

.hr {
    position: relative;
    text-align: center;
    background: linear-gradient(60deg, aquamarine);
    color: white;
}

.ir {
    width: 100%;
    margin: 0;
    padding: 0;
}

.fx {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.waves {
    position: relative;
    width: 100%;
    height: 15vh;
    margin-bottom: -7px;
    min-height: 100px;
    max-height: 150px;
}

.ct {
    position: relative;
    height: 20vh;
    text-align: center;
    background-color:rgba(255,255,255,0.85);
}

.parallax>use {
    /* 使use元素执行move-forever动画 */
    animation: move-forever 25s cubic-bezier(.55, .5, .45, .5) infinite;
}

.parallax>use:nth-child(1) {
    /* 延迟2秒启动动画  */
    animation-delay: -2s;
    /* 设置动画持续时间为7秒 */
    animation-duration: 7s;
}

.parallax>use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

.parallax>use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}

.parallax>use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0);
    }

    100% {
        transform: translate3d(85px, 0, 0);
    }
}

@media (max-width: 768px) {
    .waves {
        height: 40px;
        min-height: 40px;
    }

    .ct {
        height: 30vh;
    }
}

.ct>span{
    position: relative;
    left: 20px;
    top: 2px;
}