/* 圣诞节动画元素 - 暂时不使用 */
.christmas-lights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    z-index: 1;
}

.snowflake {
    position: absolute;
    color: #fff;
    font-size: 1.5em;
    animation: fall linear infinite;
}

@keyframes fall {
    0% {
        transform: translateY(-100%) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(200%) rotate(360deg);
        opacity: 0;
    }
}

.light {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: twinkle 1.5s infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}