/* 外层布局：左右分栏，但内容区域居中 */
.product_detail_page-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

/* 左侧菜单固定宽度 */
.product_detail_page-sidebar {
    width: 240px;
    flex-shrink: 0;
}

/* 右侧内容区域：占据剩余空间并居中 */
.product_detail_page-content {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
}

/* 内容内部再限制最大宽度，防止过宽 */
.product_detail_page-container {
    max-width: 800px;
    width: 100%;
}

/* 产品分类菜单样式 */
.product_detail_page-menu-items-container {
    width: 100%;
    margin: 0 auto;
    border-radius: 10px;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    font-size: 20px;
}

.product_detail_page-menu-category {
    border-bottom: 1px solid #eaeaea;
}

.product_detail_page-menu-category:last-child {
    border-bottom: none;
}

.product_detail_page-menu-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    transition: background 0.3s ease;
}

.product_detail_page-menu-category.active .product_detail_page-menu-category-header {
    background: #e3f2fd;
}

.product_detail_page-menu-category-header:hover {
    background: #e9ecef;
}

.category-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

.category-link::before {
    content: "▼";
    font-size: 10px;
    margin-right: 8px;
    transition: transform 0.3s ease;
}

.product_detail_page-menu-category.active .category-link::before {
    transform: rotate(-180deg);
}

.product_detail_page-menu-toggle {
    cursor: pointer;
    color: #6c757d;
    padding: 5px;
    transition: transform 0.3s ease;
}

.product_detail_page-menu-category.active .product_detail_page-menu-toggle {
    transform: rotate(180deg);
}

.product_detail_page-menu-subitems {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

.product_detail_page-menu-subitems.collapsed {
    max-height: 0;
    opacity: 0;
}

.product_detail_page-menu-subitems.expanded {
    max-height: 300px;
    opacity: 1;
}

.product_detail_page-menu-subitem {
    padding: 12px 20px 12px 35px;
    border-bottom: 1px solid #f1f1f1;
    background: white;
    transition: background 0.2s ease;
}

.product_detail_page-menu-subitem:last-child {
    border-bottom: none;
}

.product_detail_page-menu-subitem:hover {
    background: #f8f9fa;
}

.product_detail_page-menu-subitem.active {
    background: #e3f2fd;
    border-left: 3px solid #1874d5;
}

.product_detail_page-menu-subitem a {
    text-decoration: none;
    color: #495057;
    font-size: 14px;
    display: block;
    transition: color 0.2s ease;
}

.product_detail_page-menu-subitem a::before {
    content: "●";
    margin-right: 8px;
    font-size: 10px;
    color: #74b9ff;
}

.product_detail_page-menu-subitem.active a::before {
    color: #1874d5;
}

.product_detail_page-menu-subitem a:hover {
    color: #1874d5;
}

/* 面包屑样式 */
.product_detail_page-breadcrumb {
    background: white;
    padding: 15px 0px;
    border-radius: 6px;
    font-size: 14px;
}

.product_detail_page-breadcrumb a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
    padding: 2px 4px;
    border-radius: 3px;
}

.product_detail_page-breadcrumb a:hover {
    color: #1976d2;
    background-color: #f5f5f5;
}

.product_detail_page-breadcrumb span:last-child {
    color: #666;
    font-weight: 500;
}

.product-detail_sub_page-breadcrumb-separator {
    margin: 0 8px;
    color: #999;
}

/* 移动端样式 */
@media (max-width: 768px) {
    .product_detail_page-menu-header {
        display: none;
    }

    .product_detail_page-layout {
        flex-direction: column;
        gap: 15px;
    }

    .product_detail_page-sidebar {
        flex: none;
        width: 100%;
    }

    .product_detail_page-menu-items-container {
        display: none;
        border-radius: 0;
        box-shadow: none;
        background: transparent;
        flex-wrap: wrap;
        justify-content: space-around;
        overflow: visible !important;
        padding: 10px 0;
        scrollbar-width: none;
    }

    .product_detail_page-menu-items-container::-webkit-scrollbar {
        display: none;
    }

    .product_detail_page-menu-category {
        width: 46%;
        border-bottom: none;
        /* 关键修复：确保相对定位的父元素有合适的尺寸和溢出设置 */
        position: relative;
        flex-shrink: 0;
        margin-right: 10px;
        min-width: 150px;
        overflow: visible !important;
    }

    .product_detail_page-menu-category-header {
        padding: 10px 20px;
        white-space: nowrap;
        background: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        position: relative;
        z-index: 1;
    }

    .product_detail_page-menu-category.active .product_detail_page-menu-category-header {
        background: #1874d5;
        color: white;
    }

    .product_detail_page-menu-category.active .category-link {
        color: white;
    }

    .category-link::before {
        display: none;
    }

    .product_detail_page-menu-toggle {
        display: none;
    }

    .product_detail_page-menu-subitems {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        border-radius: 10px;
        z-index: 2;
        margin-top: 5px;
        min-width: 180px;
        display: none;
    }

    .product_detail_page-menu-subitems.expanded {
        display: block;
        background: url('../images/下拉底框.png');
    }

    .product_detail_page-menu-subitem {
        padding: 12px 15px;
        border-bottom: none;
        white-space: normal;
        background: none;
    }

    .product_detail_page-menu-subitem:last-child {
        border-bottom: none;
    }

    .product_detail_page-menu-subitem a {
        font-size: 14px;
        white-space: normal;
        word-wrap: break-word;
        color: #ffffff;
    }

    .product_detail_page-container {
        border-radius: 0;
        box-shadow: none;
    }

    .category-link {
        display: flex;
        justify-content: center;
        align-items: center;
    }
}