/* 圣诞节页面样式 */

/* 圣诞节英雄区域 */
.christmas-hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #1e3c72 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 雪花动画 */
.snow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.snow {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    animation: snowfall linear infinite;
}

.snow:nth-child(1) {
    left: 10%;
    animation-duration: 8s;
    animation-delay: 0s;
}

.snow:nth-child(2) {
    left: 20%;
    animation-duration: 10s;
    animation-delay: 1s;
}

.snow:nth-child(3) {
    left: 30%;
    animation-duration: 12s;
    animation-delay: 2s;
}

.snow:nth-child(4) {
    left: 40%;
    animation-duration: 9s;
    animation-delay: 3s;
}

.snow:nth-child(5) {
    left: 50%;
    animation-duration: 11s;
    animation-delay: 4s;
}

.snow:nth-child(6) {
    left: 60%;
    animation-duration: 7s;
    animation-delay: 5s;
}

.snow:nth-child(7) {
    left: 70%;
    animation-duration: 13s;
    animation-delay: 6s;
}

.snow:nth-child(8) {
    left: 80%;
    animation-duration: 8s;
    animation-delay: 7s;
}

.snow:nth-child(9) {
    left: 90%;
    animation-duration: 10s;
    animation-delay: 8s;
}

.snow:nth-child(10) {
    left: 95%;
    animation-duration: 12s;
    animation-delay: 9s;
}

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

/* 圣诞节内容 */
.christmas-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 30px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.christmas-tree {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: treeGlow 2s ease-in-out infinite alternate;
}

@keyframes treeGlow {
    from {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    }
    to {
        text-shadow: 0 0 30px rgba(255, 255, 255, 1), 0 0 40px rgba(255, 255, 255, 0.6);
    }
}

.christmas-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.christmas-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* 倒计时显示 */
.countdown-display {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: numberPulse 1s ease-in-out infinite alternate;
}

@keyframes numberPulse {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

.countdown-label {
    font-size: 1.2rem;
    color: white;
    margin-top: 10px;
    font-weight: 500;
}

.christmas-message {
    margin-top: 30px;
}

.christmas-message p {
    font-size: 1.2rem;
    margin: 10px 0;
    opacity: 0.9;
}

/* 圣诞节信息区域 */
.christmas-info {
    padding: 80px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.info-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid #dc3545;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #dc3545;
    font-weight: 600;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

/* 圣诞节活动区域 */
.christmas-activities {
    padding: 80px 20px;
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
}

.christmas-activities h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.activity-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.activity-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.activity-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.activity-item p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .christmas-content {
        padding: 30px 20px;
        margin: 20px;
    }

    .christmas-title {
        font-size: 2rem;
    }

    .christmas-subtitle {
        font-size: 1.2rem;
    }

    .countdown-display {
        gap: 20px;
    }

    .countdown-item {
        min-width: 80px;
        padding: 15px;
    }

    .countdown-number {
        font-size: 2rem;
    }

    .countdown-label {
        font-size: 1rem;
    }

    .christmas-info {
        padding: 50px 15px;
        grid-template-columns: 1fr;
    }

    .christmas-activities {
        padding: 50px 15px;
    }

    .christmas-activities h2 {
        font-size: 2rem;
    }

    .activities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .countdown-display {
        gap: 15px;
    }

    .countdown-item {
        min-width: 60px;
        padding: 10px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-label {
        font-size: 0.9rem;
    }

    .christmas-tree {
        font-size: 3rem;
    }
}