.activity-detail {
    padding: 60px;
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    min-height: calc(100vh - 200px);
}

.activity-detail h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 3px solid #FF6B35;
    padding-bottom: 15px;
}

.activity-detail .date {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.activity-detail .date::before {
    content: '📅';
    font-size: 18px;
}

.activity-detail .content {
    font-size: 16px;
    line-height: 2;
    color: #333;
    margin-bottom: 30px;
}

.activity-detail .content p {
    margin-bottom: 20px;
    text-align: justify;
}

.activity-detail img {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin: 40px 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s;
}

.activity-detail img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .activity-detail {
        padding: 30px 20px;
    }

    .activity-detail h1 {
        font-size: 28px;
    }

    .activity-detail .content {
        font-size: 15px;
    }
}