/* ===== 特性卡片 ===== */
.features-section {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary-color);
}

.feature-icon i {
    font-size: 36px;
    color: var(--primary-color);
    transition: var(--transition);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* ===== 新闻卡片 ===== */
.news-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.news-card .news-date {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(10,92,245,0.3);
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.news-content h3 a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.news-content h3 a:hover {
    color: var(--primary-color);
}

.news-summary {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.read-more:hover {
    gap: 10px;
}

/* ===== 分类卡片 ===== */
.categories-section {
    padding: 100px 0;
    background: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.category-card {
    background: var(--bg-light);
    padding: 35px 25px;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: block;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.category-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.category-card:hover i {
    color: white;
}

.category-card span {
    font-size: 18px;
    font-weight: 600;
    display: block;
    transition: var(--transition);
}

.category-card:hover span {
    color: white;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 60px 0;
}

.pagination a, .pagination span {
    display: inline-block;
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}