/* 波浪页脚样式 */
.wave-divider {
    position: relative;
    width: 100%;
    height: 15vh;
    min-height: 100px;
    max-height: 150px;
    overflow: hidden;
}

.wave-divider.dark {
    background: #2d3748;
}

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

.parallax > use {
    animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}

.parallax > use:nth-child(1) {
    animation-delay: -2s;
    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);
    }
}