/* 页面整体布局 */
.product-page-container {
    width: 100%;
    min-height: 100vh;
    background-color: #FAFAFA;
}
.product-page-box{
    width: 70%;
    display: flex;
    padding: 40px 20px;
    gap: 20px;
    margin: 0 auto;
}

/* 左侧导航栏（核心：添加过渡动画） */
.product-page-left-nav {
    width: 30%;
    background-color: #ffffff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: width 0.3s ease; /* 宽度变化平滑过渡 */
    overflow: hidden; /* 防止收缩时内容溢出 */
}

/* 收缩状态的导航栏 */
.product-page-left-nav.collapsed {
    width: 60px; /* 收缩后的宽度 */
    padding: 20px 10px; /* 收缩后减小内边距 */
}

/* 导航标题 */
.product-page-nav-header {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

/* 收缩时隐藏标题文字 */
.product-page-left-nav.collapsed .product-page-nav-header span:first-child {
    display: none;
}

/* 分类标题 */
.category-title {
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.category-title img{
    width: 20px;
}

/* 收缩时隐藏分类文字 */
.product-page-left-nav.collapsed .category-title span {
    display: none;
}

/* 箭头样式 */
.category-title .arrow {
    transition: transform 0.3s;
    margin-left: auto; /* 箭头靠右 */
    width: 14px;
}
.category-title.collapsed .arrow {
    transform: rotate(-180deg);
}

.product-page-icon{
    width: 14px;
}

/* 子菜单列表 */
.category-list {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 24px; /* 缩进显示层级 */
}
.category-list.expanded {
    max-height: 500px; /* 展开时显示所有子项 */
}

/* 收缩时隐藏子菜单文字 */
.product-page-left-nav.collapsed .category-list {
    display: none;
}

/* 子菜单链接 */
.category-list a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    display: block;
    padding: 6px 0;
    transition: color 0.3s;
}
.category-list a.active {
    color: #007bff;
    font-weight: 500;
}
.category-list a:hover {
    color: #007bff;
}

/* 右侧产品展示区 */
.right-products-show {
    width: 68%;
    flex: 1;
    display: inline-block;
}
.product-item-show {
    /* width: calc(33.33% - 13.33px); */
    width: 30%;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    text-align: left;
    display: inline-block;
    margin: 0px 20px 20px 0px;
    min-height: 48vh;
   vertical-align: top; 
}
.product-item-img-box{
    width: 100%;
    background-color: #EBEBEB;
}
.product-item-text-box{
    padding: 10px 20px 0px 20px;
}
.product-item-show img {
    width: 100%;
    height: 120px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.product-item-show h3 {
    font-size: 16px;
    margin-bottom: 8px;
    text-align: center;
}
.product-item-show p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .product-page-container {
    flex-direction: column;
    }
    .product-page-left-nav {
    width: 100%;
    margin-bottom: 20px;
    }
    .product-page-left-nav.collapsed {
    width: 100%;
    padding: 20px;
    }
    .product-item-show {
    width: calc(50% - 10px);
    }
}
@media (max-width: 768px) {
    .product-item-show {
    width: 100%;
    }
}