/* 分类导航 */
.category-nav {
    display: flex;
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-nav::-webkit-scrollbar {
    display: none;
}

.category-item {
    padding: 8px 20px;
    margin-right: 10px;
    border-radius: 20px;
    background-color: #979797;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s;
}

.category-item:hover, .category-item.active {
    background-color: #009688;
    color: white;
}

/* 网站卡片区域 */
.website-section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 20px;
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 4px solid #eaeaea;
}

.website-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.website-card {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.website-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.website-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: #eaeaea;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    overflow: hidden;
}

.website-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.website-name {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #74b57d;
    text-decoration: none;
}

.website-desc {
    font-size: 14px;
    color: #999;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }
    
    .search-box {
        width: 100%;
        margin-top: 15px;
    }
    
    .website-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}