// 产品详情页样式优化（无侧边栏，居中布局，大按钮）
add_action('wp_head', function() {
    if (is_product()) {
        echo '<style>
            /* 移除侧边栏，全宽布局 */
            .woocommerce div.product {
                display: block !important;
                max-width: 1200px;
                margin: 40px auto;
                padding: 0 20px;
            }
            .woocommerce #content div.product div.images,
            .woocommerce div.product div.images,
            .woocommerce-page #content div.product div.images,
            .woocommerce-page div.product div.images {
                width: 48% !important;
                float: left !important;
                margin-right: 4% !important;
            }
            .woocommerce #content div.product div.summary,
            .woocommerce div.product div.summary,
            .woocommerce-page #content div.product div.summary,
            .woocommerce-page div.product div.summary {
                width: 48% !important;
                float: right !important;
            }
            /* 图片样式 */
            .woocommerce div.product div.images img {
                border-radius: 16px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            }
            /* 标题和价格 */
            .woocommerce div.product .product_title {
                font-size: 2rem;
                color: #0a2b3e;
                margin-bottom: 15px;
            }
            .woocommerce div.product p.price {
                font-size: 1.8rem;
                color: #e94560;
                font-weight: bold;
                margin-bottom: 20px;
            }
            .woocommerce div.product p.price del {
                color: #999;
                font-size: 1.2rem;
            }
            .woocommerce div.product p.price ins {
                text-decoration: none;
            }
            /* 加入购物车按钮 */
            .woocommerce div.product form.cart .button {
                background: #0a2b3e;
                color: white;
                border-radius: 40px;
                padding: 12px 30px;
                font-size: 1rem;
                font-weight: bold;
                border: none;
                transition: 0.3s;
            }
            .woocommerce div.product form.cart .button:hover {
                background: #e94560;
                transform: translateY(-2px);
            }
            /* 数量选择器样式 */
            .woocommerce .quantity .qty {
                padding: 10px;
                border-radius: 30px;
                border: 1px solid #ced4da;
            }
            /* 产品元信息（SKU、分类、标签） */
            .product_meta {
                margin-top: 30px;
                padding-top: 20px;
                border-top: 1px solid #e9ecef;
                font-size: 0.9rem;
                color: #555;
            }
            .product_meta span {
                display: inline-block;
                margin-right: 15px;
            }
            /* 标签页（描述、评论） */
            .woocommerce-tabs {
                clear: both;
                margin-top: 50px;
            }
            .woocommerce-tabs .tabs {
                list-style: none;
                display: flex;
                gap: 20px;
                border-bottom: 1px solid #e9ecef;
                padding: 0;
            }
            .woocommerce-tabs .tabs li {
                margin: 0;
            }
            .woocommerce-tabs .tabs li a {
                display: inline-block;
                padding: 10px 20px;
                background: #f8f9fa;
                border-radius: 30px 30px 0 0;
                text-decoration: none;
                color: #0a2b3e;
            }
            .woocommerce-tabs .tabs li.active a {
                background: #e94560;
                color: white;
            }
            /* 相关产品区域 */
            .related.products {
                clear: both;
                margin-top: 60px;
            }
            .related.products h2 {
                font-size: 1.8rem;
                color: #0a2b3e;
                text-align: center;
                margin-bottom: 30px;
            }
            .related.products ul.products {
                display: grid;
                grid-template-columns: repeat(4, 1fr);
                gap: 30px;
                list-style: none;
                padding: 0;
            }
            .related.products ul.products li.product {
                margin: 0;
                width: auto;
            }
            /* 响应式 */
            @media (max-width: 768px) {
                .woocommerce #content div.product div.images,
                .woocommerce div.product div.images,
                .woocommerce div.product div.summary {
                    width: 100% !important;
                    float: none !important;
                    margin: 0 0 30px !important;
                }
                .related.products ul.products {
                    grid-template-columns: repeat(2, 1fr);
                }
            }
            @media (max-width: 480px) {
                .related.products ul.products {
                    grid-template-columns: 1fr;
                }
            }
        </style>';
    }
});

// 产品详情页图库样式增强（小图在大图下方，带间距）
add_action('wp_head', function() {
    if (is_product()) {
        echo '<style>
            /* 图库容器：大图下方显示小图 */
            .woocommerce-product-gallery {
                position: relative;
            }
            .woocommerce-product-gallery .flex-viewport {
                margin-bottom: 15px;
                border-radius: 16px;
                overflow: hidden;
            }
            /* 小图列表：水平排列，居中，有间距 */
            .woocommerce-product-gallery .flex-control-thumbs {
                display: flex !important;
                justify-content: center;
                gap: 12px;
                margin: 0;
                padding: 0;
                list-style: none;
            }
            .woocommerce-product-gallery .flex-control-thumbs li {
                width: 80px !important;
                float: none !important;
                margin: 0 !important;
                border-radius: 8px;
                overflow: hidden;
                cursor: pointer;
                border: 2px solid transparent;
                transition: 0.2s;
            }
            .woocommerce-product-gallery .flex-control-thumbs li img {
                width: 100%;
                height: auto;
                opacity: 0.7;
                transition: 0.2s;
            }
            .woocommerce-product-gallery .flex-control-thumbs li img.flex-active {
                opacity: 1;
                border-color: #e94560;
            }
            .woocommerce-product-gallery .flex-control-thumbs li:hover img {
                opacity: 1;
            }
            /* 可选：大图和小图之间的分隔线 */
            .woocommerce-product-gallery .flex-viewport::after {
                content: "";
                display: block;
                height: 2px;
                background: #e9ecef;
                margin: 15px 0 5px;
            }
            /* 响应式：小图缩小间距 */
            @media (max-width: 768px) {
                .woocommerce-product-gallery .flex-control-thumbs li {
                    width: 60px !important;
                }
            }
        </style>';
    }
});

// 产品详情页完整样式（缩略图库、相关产品固定、移除底部链接）
add_action('wp_head', function() {
    if (is_product()) {
        echo '<style>
            /* 大图与缩略图区域 */
            .woocommerce-product-gallery {
                position: relative;
            }
            .woocommerce-product-gallery__image {
                margin-bottom: 15px;
            }
            .flex-viewport {
                border-radius: 16px;
                overflow: hidden;
            }
            /* 缩略图列表：水平排列，带分隔线 */
            .flex-control-nav {
                display: flex !important;
                justify-content: center;
                gap: 12px;
                margin-top: 20px;
                padding-top: 20px;
                border-top: 2px solid #e9ecef;
                list-style: none;
            }
            .flex-control-nav li {
                width: 70px;
                cursor: pointer;
            }
            .flex-control-nav img {
                border-radius: 8px;
                border: 1px solid #dee2e6;
                transition: 0.2s;
            }
            .flex-control-nav img:hover {
                border-color: #e94560;
            }
            /* 相关产品固定大小 */
            .related.products ul.products li.product {
                margin: 0 !important;
                width: 100% !important;
            }
            .related.products ul.products li.product a img {
                height: 200px !important;
                object-fit: cover !important;
            }
            /* 移除底部文章链接（例如“Recent Posts”等） */
            .site-footer .widget_recent_entries,
            .site-footer .widget_categories,
            .site-footer .widget_archive,
            .sidebar-recent-posts,
            .bottom-links {
                display: none !important;
            }
            /* 如果底部有“文章链接”在侧边栏或页脚，也可全局隐藏 */
            footer .widget-area,
            footer .menu,
            .after-product-widgets {
                display: none;
            }
        </style>';
    }
});

// 移除页脚可能出现的“近期文章”等链接
add_action('wp_footer', function() {
    if (is_product()) {
        echo '<style>
            .widget_recent_entries, .widget_categories, .widget_recent_comments, .widget_archive {
                display: none !important;
            }
        </style>';
    }
});
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