/* 封面背景及Menu栏 */
.ui-cover {
    position: fixed;
    width: 100vw;
    height: 100vh;
    z-index: var(--secZ);
    flex-direction: column;
    pointer-events: auto;
    padding-top: var(--safe-area-top);
}

.ui-cover-menu {
    justify-content: flex-start;
}

.ui-cover-menu-buttons {
    width: 100%;
    justify-content: space-between;
    gap: 1em;
}

.ui-cover-menu-button {
    flex-direction: column;
    background-size: contain;
    cursor: pointer;
    padding: 0 1em;
}

.cover-video-bg-container {
    position: absolute;
    z-index: 1;
    overflow: hidden;
}

.cover-icon {
    width: 100%;
    height: 100%;
    border-radius: 0;
    animation: iconPulse 2s ease-in-out infinite;
    transform-origin: center;
}

@keyframes iconPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.cover-text {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2em;
    color: var(--primary-font-color);
    font-weight: normal;
    text-align: center;
}

/* 下滑菜单样式 */
.ui-cover-menu-list {
    width: 100%;
    overflow-y: auto;
}