:root {
    --dark-blue: #000814;
    --medium-blue: #001D3D;
    --light-blue: #003566;
    --yellow: #FFC300;
    --light-yellow: #FFD60A;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.content-wrapper {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.banner-section {
    flex: 1;
    margin-right: 30px;
}

.banner {
    font-size: 32px;
    font-weight: 700;
    color: #003366;
    margin-bottom: 10px;
    position: relative;
}

.banner::before {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: #ffcc00;
    margin-bottom: 10px;
}

.description-section {
    flex: 2;
}

.description {
    font-size: 16px;
    color: #333;
    line-height: 1.6;
}

.event-categories {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    margin: 30px 0;
    overflow-x: auto;
    padding-bottom: 10px;
        text-align: center;
}

.event-category {
    padding: 10px 25px;
    border-radius: 25px;
    border: 2px solid var(--secondary-color);
    font-size: 14px;
    color: var(--primary-color);
    cursor: pointer;
    background-color: white;
    transition: 0.3s;
    white-space: nowrap;
}

.event-category:hover, .event-category.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    border: 2px solid #ffcc00;
    padding: 20px;
    border-radius: 8px;
    background-color: #fff;
}

.event-card {
    border-radius: 10px;
    overflow: hidden;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.event-image-container {

    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.event-image {
width: 100%;
height: 100%;
object-fit: fill;
transition: transform var(--transition-speed);
}

.event-content {
    padding: 20px;
}

.event-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--dark-blue);
}

.event-meta {
    font-size: 0.9rem;
    color: var(--medium-blue);
    margin-bottom: 10px;
}

.event-details {
    font-size: 1rem;
    color: #555;
    margin-bottom: 15px;
}

.register-btn {
    display: inline-block;
    background-color: var(--light-blue);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.register-btn:hover {
    background-color: var(--medium-blue);
}

.pagination-nav {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 10px;
}

.pagination-nav-item {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: 50%;
    background-color: white;
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination-nav-item:hover, .pagination-nav-item.active {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.pagination-nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
    }

    .banner-section {
        margin-right: 0;
        margin-bottom: 20px;
    }

    .event-grid {
        grid-template-columns: 1fr;
    }

    .event-categories {
        flex-direction: column;
        gap: 10px;
    }
}