.hero-bg {
    background-image: url('https://filetx.3633yx.com/240625-e340585cfafb486a8902ee384890b050.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed
}

.hero-overlay {
    background: linear-gradient(135deg, rgba(123, 104, 238, 0.9) 0%, rgba(76, 175, 80, 0.8) 100%)
}

.article-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(123, 104, 238, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(123, 104, 238, 0.2);
    border-color: rgba(123, 104, 238, 0.3)
}

.article-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column
}

.article-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: linear-gradient(135deg, #7B68EE 0%, #9B59B6 100%);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
    margin-bottom: 1rem
}

.article-tag.announcement {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%)
}

.article-tag.event {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #2D2D2D
}

.article-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #2D2D2D;
    transition: color 0.3s ease;
    line-height: 1.4
}

.article-card:hover .article-title {
    color: #7B68EE
}

.article-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
    font-size: 0.9375rem
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #999;
    font-size: 0.875rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(123, 104, 238, 0.1)
}

.category-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(123, 104, 238, 0.1);
    transition: all 0.3s ease;
    cursor: pointer
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(123, 104, 238, 0.2);
    border-color: rgba(123, 104, 238, 0.3)
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7B68EE 0%, #9B59B6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(123, 104, 238, 0.4)
}

.category-icon.announcement {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%)
}

.category-icon.event {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #2D2D2D
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2D2D2D
}

.category-count {
    color: #666;
    font-size: 0.875rem
}

.section-title {
    position: relative;
    display: inline-block;
    width: 100%
}

.section-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700 0%, #FFA500 100%);
    border-radius: 2px
}

.qr-code {
    width: 150px;
    height: 150px;
    border-radius: 0.5rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2)
}

@media (max-width: 768px) {
    .article-card {
        margin-bottom: 1rem
    }

    .article-title {
        font-size: 1.125rem
    }

    .article-excerpt {
        font-size: 0.875rem
    }

    .category-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem
    }

    .category-title {
        font-size: 1.125rem
    }

    .qr-code {
        width: 120px;
        height: 120px
    }
}