/* 二级页面专用样式 */

/* 登录按钮样式 */
.user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: #00A67E;
    font-size: 14px;
    border: 1px solid #00A67E;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-btn:hover {
    color: #00A67E;
    border-color: #00A67E;
}

/* 侧边栏导航优化 */
.product-sidebar {
    flex: 0 0 280px;
    background: #ffffff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1D2129;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f2f5;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    margin-bottom: 8px;
}

.sidebar-link {
    display: block;
    padding: 12px 15px;
    color: #4E5969;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.sidebar-link:hover {
    background-color: #f5f7fa;
    color: #00A67E;
}

.sidebar-item.active > .sidebar-link {
    background-color: #e6f7f3;
    color: #00A67E;
    font-weight: 600;
}

.sidebar-item.active > .sidebar-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: #00A67E;
    border-radius: 0 4px 4px 0;
}

.sidebar-submenu {
    list-style: none;
    padding: 8px 0 8px 20px;
    margin: 8px 0 0 0;
    border-left: 2px solid #f0f2f5;
    display: none;
}

.sidebar-item.active .sidebar-submenu {
    display: block;
}

.sidebar-submenu li {
    margin-bottom: 5px;
}

.sidebar-submenu a {
    display: block;
    padding: 8px 15px;
    color: #86909C;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.sidebar-submenu a:hover,
.sidebar-submenu a.active {
    background-color: #f0f2f5;
    color: #00A67E;
}

/* 主内容区域优化 */
.product-content {
    flex: 1;
    padding: 0 20px;
}

.content-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f2f5;
}

.content-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1D2129;
    margin-bottom: 10px;
}

.content-header p {
    font-size: 16px;
    color: #4E5969;
    line-height: 1.6;
}

/* 子分类展示网格优化 */
.subcategories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.subcategory-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.subcategory-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.subcategory-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.subcategory-image {
    height: 200px;
    overflow: hidden;
}

.subcategory-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.subcategory-card:hover .subcategory-image img {
    transform: scale(1.05);
}

.subcategory-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.subcategory-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1D2129;
    margin-bottom: 10px;
}

.subcategory-info p {
    font-size: 14px;
    color: #4E5969;
    line-height: 1.5;
    flex: 1;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-layout {
        flex-direction: column;
    }
    
    .product-sidebar {
        flex: 0 0 auto;
        width: 100%;
        margin-bottom: 30px;
        position: relative;
        top: 0;
    }
    
    .product-content {
        padding: 0;
    }
    
    .subcategories-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .product-sidebar {
        padding: 20px;
    }
    
    .sidebar-header h3 {
        font-size: 20px;
    }
    
    .sidebar-link {
        padding: 10px 12px;
    }
    
    .content-header h2 {
        font-size: 24px;
    }
    
    .subcategories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .subcategory-image {
        height: 180px;
    }
}

@media (max-width: 576px) {
    .product-sidebar {
        padding: 15px;
    }
    
    .subcategory-info {
        padding: 15px;
    }
    
    .subcategory-info h3 {
        font-size: 18px;
    }
}