/*
 * TOPSHOP 主题响应式样式
 *
 * 断点策略（移动优先，从大到小）：
 *   - 1280px：大桌面（默认）
 *   - 1024px：小桌面/大平板横屏
 *   - 768px：平板竖屏 / 小平板横屏
 *   - 600px：大手机 / 小平板竖屏
 *   - 480px：手机
 *   - 375px：小手机
 *   - 320px：超小手机
 */

/* ============================================================
 * 1280px 以下：大桌面微调
 * ============================================================ */
@media (max-width: 1280px) {
    :root {
        --topshop-container: 1140px;
    }

    .topshop-hero-title {
        font-size: 32px;
    }
    .topshop-hero-subtitle {
        font-size: 17px;
    }
}

/* ============================================================
 * 1024px 以下：小桌面 / 大平板横屏
 * ============================================================ */
@media (max-width: 1024px) {
    :root {
        --topshop-container: 960px;
    }

    /* 容器内边距 */
    .topshop-container {
        padding: 0 20px;
    }

    /* 头部布局 */
    .topshop-header-inner {
        gap: 16px;
    }
    .topshop-site-title {
        font-size: 18px;
    }

    /* 文章列表网格 → 2 列 */
    .topshop-loop-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* 布局：侧边栏移到下方 */
    .topshop-layout.has-sidebar-right,
    .topshop-layout.has-sidebar-left {
        grid-template-columns: 1fr;
    }
    .topshop-sidebar {
        margin-top: 32px;
    }
    .topshop-sidebar .topshop-widget {
        margin-bottom: 20px;
    }

    /* 页脚小工具 → 2 列 */
    .topshop-footer-widgets {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* 文章标题 */
    .topshop-post-title {
        font-size: 26px;
    }

    /* 文章/页面内容内边距 */
    .topshop-post-single,
    .topshop-page-article {
        padding: 20px;
    }

    /* 404 */
    .topshop-404-title {
        font-size: 80px;
    }
    .topshop-404-subtitle {
        font-size: 22px;
    }

    /* === WooCommerce === */

    /* 商品列表 → 3 列保持（宽屏）或 2 列（窄屏 1024） */
    .woocommerce ul.products {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    /* 商品详情页：图片 + 摘要 */
    .woocommerce .product .topshop-product-layout,
    .woocommerce .product .product-layout,
    .woocommerce .product div.images + div.summary {
        grid-template-columns: 45% 1fr;
        gap: 24px;
    }

    .woocommerce .product .product_title {
        font-size: 24px;
    }

    /* 相关商品 */
    .woocommerce .related ul.products,
    .woocommerce .upsells ul.products,
    .woocommerce .cross-sells ul.products {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 购物车 collaterals */
    .woocommerce .cart-collaterals {
        grid-template-columns: 1fr;
    }

    /* 账户页 */
    .woocommerce-account .woocommerce-MyAccount-navigation {
        width: 200px;
    }
    .woocommerce-account .woocommerce-MyAccount-content {
        width: calc(100% - 220px);
    }

    /* 询盘表单 */
    .topshop-inquiry-form {
        padding: 20px;
    }
}

/* ============================================================
 * 768px 以下：平板竖屏 / 大手机
 * ============================================================ */
@media (max-width: 768px) {
    :root {
        --topshop-container: 100%;
    }

    .topshop-container {
        padding: 0 16px;
    }

    /* === 头部 === */
    .topshop-header {
        padding: 12px 0;
    }
    .topshop-header-inner {
        flex-wrap: wrap;
        gap: 10px;
        position: relative;
    }
    .topshop-header-branding {
        flex: 1 1 auto;
    }
    .topshop-site-title {
        font-size: 17px;
    }
    .topshop-site-tagline {
        font-size: 11px;
    }

    /* 移动端菜单按钮 */
    .topshop-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        font-size: 20px;
        border: 1px solid #ddd;
        order: 3;
    }

    /* 主导航 */
    .topshop-nav-primary {
        flex: 1 1 100%;
        order: 4;
        display: none;
    }
    .topshop-nav-primary.is-open {
        display: block;
    }
    .topshop-nav-primary .topshop-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
        border: 1px solid #eee;
        border-radius: var(--topshop-radius, 6px);
        overflow: hidden;
    }
    .topshop-nav-primary .topshop-menu > li {
        border-bottom: 1px solid #eee;
    }
    .topshop-nav-primary .topshop-menu > li:last-child {
        border-bottom: none;
    }
    .topshop-nav-primary .topshop-menu > li > a {
        display: block;
        padding: 14px 16px;
        font-size: 15px;
    }
    .topshop-nav-primary .topshop-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border-top: 1px solid #eee;
        background: #f9fafb;
    }
    .topshop-nav-primary .topshop-menu .sub-menu a {
        padding: 12px 32px;
        font-size: 14px;
    }

    /* 头部操作区 */
    .topshop-header-actions {
        order: 2;
        gap: 6px;
    }
    .topshop-action-item {
        padding: 6px 8px;
        font-size: 13px;
    }

    /* 搜索面板 */
    .topshop-search-form {
        flex-direction: row;
        gap: 8px;
    }
    .topshop-search-input {
        padding: 10px 14px;
        font-size: 15px;
    }
    .topshop-search-submit {
        padding: 10px 18px;
    }

    /* === 布局 === */
    .topshop-layout.has-sidebar-right,
    .topshop-layout.has-sidebar-left,
    .topshop-layout.has-sidebar-none {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .topshop-sidebar {
        margin-top: 24px;
    }

    /* 文章列表 → 1 列 */
    .topshop-loop-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 文章卡片 */
    .topshop-post-card-body {
        padding: 14px;
    }
    .topshop-post-card-title {
        font-size: 15px;
    }

    /* 文章详情 */
    .topshop-post-single,
    .topshop-page-article {
        padding: 16px;
    }
    .topshop-post-title {
        font-size: 22px;
    }
    .topshop-post-meta {
        font-size: 12px;
        gap: 4px;
    }
    .topshop-entry-content {
        font-size: 15px;
        line-height: 1.7;
    }
    .topshop-entry-content h2 {
        font-size: 20px;
    }
    .topshop-entry-content h3 {
        font-size: 18px;
    }

    /* 上下篇导航 */
    .topshop-post-nav {
        flex-direction: column;
        gap: 12px;
        padding: 14px;
    }
    .topshop-post-nav-next {
        text-align: left;
    }

    /* 分页 */
    .topshop-pagination li a,
    .topshop-pagination li span {
        min-width: 40px;
        height: 40px;
        line-height: 40px;
        padding: 0 10px;
        font-size: 15px;
    }

    /* 页脚 */
    .topshop-footer-widgets {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .topshop-footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    .topshop-footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    /* 面包屑 */
    .topshop-breadcrumb-wrap {
        padding: 8px 0;
        font-size: 12px;
    }

    /* 404 */
    .topshop-404-content {
        padding: 40px 16px;
    }
    .topshop-404-title {
        font-size: 64px;
    }
    .topshop-404-subtitle {
        font-size: 20px;
    }
    .topshop-404-text {
        font-size: 14px;
    }

    /* Hero */
    .topshop-hero {
        padding: 40px 0;
    }
    .topshop-hero-title {
        font-size: 26px;
    }
    .topshop-hero-subtitle {
        font-size: 15px;
    }

    /* 按钮 */
    .topshop-button {
        padding: 12px 24px;
        font-size: 15px;
    }

    /* === WooCommerce === */

    .woocommerce,
    .woocommerce-page {
        font-size: 14px;
    }

    /* 商品列表 → 2 列 */
    .woocommerce ul.products {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .woocommerce ul.products li.product .topshop-product-card-title,
    .woocommerce ul.products li.product .woocommerce-loop-product__title {
        font-size: 14px;
    }

    .woocommerce ul.products li.product .topshop-product-card-body,
    .woocommerce ul.products li.product .product-inner {
        padding: 10px 12px 12px;
    }

    .woocommerce ul.products li.product .price {
        font-size: 15px;
    }

    .woocommerce ul.products li.product .button,
    .woocommerce ul.products li.product .added_to_cart {
        padding: 8px 10px;
        font-size: 12px;
    }

    /* 商品详情页：堆叠 */
    .woocommerce .product .topshop-product-layout,
    .woocommerce .product .product-layout,
    .woocommerce .product div.images + div.summary {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .woocommerce .product .product_title {
        font-size: 22px;
    }

    .woocommerce .product p.price,
    .woocommerce .product span.price {
        font-size: 20px;
    }

    /* 缩略图 */
    .woocommerce .product .flex-control-thumbs li {
        width: 60px;
        height: 60px;
    }

    /* B2B 快捷信息 */
    .woocommerce .product .topshop-product-b2b-quick {
        grid-template-columns: 1fr 1fr;
        gap: 6px 12px;
    }

    /* Add to Cart 表单 */
    .woocommerce .product form.cart,
    .woocommerce .product .cart {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 14px;
    }
    .woocommerce .product form.cart .button,
    .woocommerce .product .single_add_to_cart_button {
        width: 100%;
        min-width: 0;
    }

    /* Tabs */
    .woocommerce .product .woocommerce-tabs ul.tabs {
        padding: 0;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .woocommerce .product .woocommerce-tabs ul.tabs li a {
        padding: 12px 14px;
        font-size: 13px;
        white-space: nowrap;
    }
    .woocommerce .product .woocommerce-tabs .panel {
        padding: 16px;
    }

    /* 相关商品 */
    .woocommerce .related ul.products,
    .woocommerce .upsells ul.products,
    .woocommerce .cross-sells ul.products {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 归档页工具栏 */
    .woocommerce .woocommerce-result-count,
    .woocommerce .woocommerce-ordering {
        float: none;
        text-align: center;
    }
    .woocommerce .woocommerce-result-count {
        line-height: 1.5;
        margin-bottom: 10px;
    }
    .woocommerce .woocommerce-ordering {
        text-align: center;
    }
    .woocommerce .woocommerce-ordering select {
        width: 100%;
        max-width: 320px;
    }

    /* 购物车表格 */
    .woocommerce table.shop_table {
        font-size: 13px;
    }
    .woocommerce table.shop_table th {
        padding: 10px 8px;
        font-size: 12px;
    }
    .woocommerce table.shop_table td {
        padding: 12px 8px;
    }
    .woocommerce table.cart .product-thumbnail {
        width: 60px;
    }
    .woocommerce table.cart .product-thumbnail img {
        width: 50px;
        height: 50px;
    }

    /* 购物车 collaterals */
    .woocommerce .cart-collaterals {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 结账表单 */
    .woocommerce form .form-row-first,
    .woocommerce form .form-row-last {
        width: 100%;
        display: block;
        margin-right: 0;
    }

    .woocommerce .checkout .col2-set .col-2 {
        margin-top: 20px;
    }

    /* 账户页 */
    .woocommerce-account .woocommerce-MyAccount-navigation,
    .woocommerce-account .woocommerce-MyAccount-content {
        width: 100%;
        float: none;
    }
    .woocommerce-account .woocommerce-MyAccount-navigation {
        margin-bottom: 24px;
    }
    .woocommerce-account .woocommerce-MyAccount-navigation ul {
        display: flex;
        flex-wrap: wrap;
        gap: 0;
        border: 1px solid #eee;
        border-radius: var(--topshop-radius, 6px);
        overflow: hidden;
    }
    .woocommerce-account .woocommerce-MyAccount-navigation ul li {
        border-bottom: none;
        border-right: 1px solid #eee;
        flex: 1 1 auto;
    }
    .woocommerce-account .woocommerce-MyAccount-navigation ul li a {
        padding: 10px 8px;
        text-align: center;
        font-size: 13px;
    }

    /* 询盘表单 */
    .topshop-inquiry-form {
        padding: 16px;
        margin: 16px auto;
    }
    .topshop-inquiry-form .topshop-form-row {
        margin-bottom: 12px;
    }
    .topshop-inquiry-form label {
        font-size: 13px;
    }
    .topshop-inquiry-form input[type="text"],
    .topshop-inquiry-form input[type="email"],
    .topshop-inquiry-form input[type="number"],
    .topshop-inquiry-form input[type="tel"],
    .topshop-inquiry-form textarea,
    .topshop-inquiry-form select {
        padding: 10px 12px;
        font-size: 15px; /* iOS 防止缩放 */
    }
    .topshop-inquiry-form button[type="submit"] {
        padding: 14px;
        font-size: 16px;
    }

    /* 消息/通知 */
    .woocommerce-message,
    .woocommerce-info,
    .woocommerce-error {
        padding: 12px 14px 12px 44px;
        font-size: 13px;
    }
    .woocommerce-message .button,
    .woocommerce-info .button,
    .woocommerce-error .button {
        float: none;
        display: block;
        margin: 8px 0 0;
        text-align: center;
    }

    /* 分页 */
    .woocommerce nav.woocommerce-pagination ul {
        gap: 4px;
    }
    .woocommerce nav.woocommerce-pagination ul li a,
    .woocommerce nav.woocommerce-pagination ul li span {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }

    /* 搜索表单（404/content-none） */
    .topshop-search-form {
        flex-direction: column;
        gap: 8px;
    }
    .topshop-search-submit {
        width: 100%;
    }
}

/* ============================================================
 * 600px 以下：大手机
 * ============================================================ */
@media (max-width: 600px) {
    .topshop-container {
        padding: 0 14px;
    }

    /* 头部 */
    .topshop-header-inner {
        gap: 8px;
    }
    .topshop-site-title {
        font-size: 16px;
    }

    /* 商品列表保持 2 列 */
    .woocommerce ul.products {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .woocommerce ul.products li.product .topshop-product-card-body,
    .woocommerce ul.products li.product .product-inner {
        padding: 8px 10px 10px;
    }

    .woocommerce ul.products li.product .topshop-product-card-title,
    .woocommerce ul.products li.product .woocommerce-loop-product__title {
        font-size: 13px;
        margin-bottom: 4px;
    }

    .woocommerce ul.products li.product .price {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .woocommerce ul.products li.product .button,
    .woocommerce ul.products li.product .added_to_cart {
        padding: 7px 8px;
        font-size: 11px;
    }

    /* 相关商品也保持 2 列 */
    .woocommerce .related ul.products,
    .woocommerce .upsells ul.products,
    .woocommerce .cross-sells ul.products {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 购物车表单 */
    .woocommerce .coupon {
        flex-direction: column;
    }
    .woocommerce .coupon input.input-text {
        width: 100%;
        min-width: 0;
    }
    .woocommerce .coupon .button {
        width: 100%;
    }

    /* 评价 */
    .woocommerce #reviews #comments ol.commentlist li .comment-text {
        margin-left: 0;
        margin-top: 10px;
    }
    .woocommerce #reviews #comments ol.commentlist li img.avatar {
        float: none;
        margin-bottom: 8px;
    }

    /* 账户页 */
    .woocommerce-account .woocommerce-MyAccount-navigation ul {
        flex-direction: column;
    }
    .woocommerce-account .woocommerce-MyAccount-navigation ul li {
        border-right: none;
        border-bottom: 1px solid #eee;
    }
}

/* ============================================================
 * 480px 以下：手机
 * ============================================================ */
@media (max-width: 480px) {
    .topshop-container {
        padding: 0 12px;
    }

    /* 头部 */
    .topshop-site-title {
        font-size: 15px;
    }
    .topshop-site-tagline {
        display: none;
    }
    .topshop-header-actions {
        gap: 4px;
    }
    .topshop-action-item {
        padding: 6px;
        font-size: 12px;
    }

    /* 文章标题 */
    .topshop-post-title {
        font-size: 20px;
    }
    .topshop-post-meta {
        font-size: 11px;
    }

    /* 文章内容 */
    .topshop-entry-content {
        font-size: 14px;
    }
    .topshop-entry-content h2 {
        font-size: 18px;
    }
    .topshop-entry-content h3 {
        font-size: 16px;
    }

    /* 404 */
    .topshop-404-content {
        padding: 32px 12px;
    }
    .topshop-404-title {
        font-size: 56px;
    }
    .topshop-404-subtitle {
        font-size: 18px;
    }

    /* Hero */
    .topshop-hero {
        padding: 32px 0;
    }
    .topshop-hero-title {
        font-size: 22px;
    }
    .topshop-hero-subtitle {
        font-size: 14px;
    }

    /* === WooCommerce === */

    /* 商品列表 → 1 列（很窄屏幕用 2 列更紧凑） */
    .woocommerce ul.products {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    /* 卡片内容更紧凑 */
    .woocommerce ul.products li.product .topshop-product-card-title,
    .woocommerce ul.products li.product .woocommerce-loop-product__title {
        font-size: 12px;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
    }

    .woocommerce ul.products li.product .price {
        font-size: 13px;
    }

    .woocommerce ul.products li.product .button,
    .woocommerce ul.products li.product .added_to_cart {
        padding: 6px 6px;
        font-size: 10px;
    }

    /* 商品详情页标题 */
    .woocommerce .product .product_title {
        font-size: 20px;
    }
    .woocommerce .product p.price,
    .woocommerce .product span.price {
        font-size: 18px;
    }

    /* B2B 快捷信息 → 1 列 */
    .woocommerce .product .topshop-product-b2b-quick {
        grid-template-columns: 1fr;
    }

    /* 相关商品 → 1 列 */
    .woocommerce .related ul.products,
    .woocommerce .upsells ul.products,
    .woocommerce .cross-sells ul.products {
        grid-template-columns: 1fr;
    }

    /* 购物车表格：水平滚动 */
    .woocommerce table.shop_table_responsive {
        display: block;
    }
    .woocommerce table.shop_table_responsive thead {
        display: none;
    }
    .woocommerce table.shop_table_responsive tbody tr {
        display: block;
        border: 1px solid #eee;
        border-radius: var(--topshop-radius, 6px);
        margin-bottom: 12px;
        padding: 8px;
    }
    .woocommerce table.shop_table_responsive tbody tr td {
        display: block;
        border: none;
        padding: 8px 4px;
        text-align: right;
    }
    .woocommerce table.shop_table_responsive tbody tr td::before {
        content: attr(data-title) ": ";
        float: left;
        font-weight: 600;
        text-transform: uppercase;
        font-size: 12px;
        color: #777;
    }
    .woocommerce table.shop_table_responsive tbody tr td.product-thumbnail::before {
        content: none;
    }
    .woocommerce table.shop_table_responsive tbody tr td.product-thumbnail {
        text-align: center;
    }
    .woocommerce table.shop_table_responsive tbody tr td.product-remove {
        text-align: right;
    }
    .woocommerce table.shop_table_responsive tbody tr td.actions {
        text-align: center;
    }

    /* 购物车操作 */
    .woocommerce .cart-actions,
    .woocommerce .actions {
        flex-direction: column;
        align-items: stretch;
    }
    .woocommerce .cart-actions .button,
    .woocommerce .actions .button {
        width: 100%;
    }

    /* 结账按钮 */
    .woocommerce .wc-proceed-to-checkout .checkout-button {
        height: 44px;
        font-size: 15px;
    }
    .woocommerce #place_order {
        height: 44px;
        font-size: 15px;
    }

    /* 分页 */
    .topshop-pagination li a,
    .topshop-pagination li span {
        min-width: 36px;
        height: 36px;
        line-height: 36px;
        padding: 0 8px;
        font-size: 14px;
    }

    .woocommerce nav.woocommerce-pagination ul li a,
    .woocommerce nav.woocommerce-pagination ul li span {
        min-width: 34px;
        height: 34px;
        padding: 0 8px;
        font-size: 12px;
    }

    /* 询盘表单字段 */
    .topshop-inquiry-form input[type="text"],
    .topshop-inquiry-form input[type="email"],
    .topshop-inquiry-form input[type="number"],
    .topshop-inquiry-form input[type="tel"],
    .topshop-inquiry-form textarea,
    .topshop-inquiry-form select {
        padding: 10px;
        font-size: 16px; /* iOS 防止缩放，必须 >= 16px */
    }
}

/* ============================================================
 * 375px 以下：小手机
 * ============================================================ */
@media (max-width: 375px) {
    .topshop-container {
        padding: 0 10px;
    }

    /* 头部更紧凑 */
    .topshop-header {
        padding: 10px 0;
    }
    .topshop-site-title {
        font-size: 14px;
    }

    /* 商品列表 → 1 列 */
    .woocommerce ul.products {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .woocommerce ul.products li.product .topshop-product-card-title,
    .woocommerce ul.products li.product .woocommerce-loop-product__title {
        font-size: 14px;
        -webkit-line-clamp: unset;
        display: block;
        overflow: visible;
    }

    .woocommerce ul.products li.product .price {
        font-size: 16px;
    }

    .woocommerce ul.products li.product .button,
    .woocommerce ul.products li.product .added_to_cart {
        padding: 10px 14px;
        font-size: 13px;
    }

    /* 相关商品 → 1 列 */
    .woocommerce .related ul.products,
    .woocommerce .upsells ul.products,
    .woocommerce .cross-sells ul.products {
        grid-template-columns: 1fr;
    }

    /* 404 */
    .topshop-404-title {
        font-size: 48px;
    }
    .topshop-404-subtitle {
        font-size: 16px;
    }

    /* 文章详情 */
    .topshop-post-title {
        font-size: 18px;
    }
    .topshop-post-single,
    .topshop-page-article {
        padding: 12px;
    }

    /* 按钮 */
    .topshop-button {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* 搜索表单 */
    .topshop-search-input {
        font-size: 16px; /* iOS */
    }
}

/* ============================================================
 * 320px 以下：超小手机
 * ============================================================ */
@media (max-width: 320px) {
    .topshop-container {
        padding: 0 8px;
    }

    .topshop-site-title {
        font-size: 13px;
    }

    .topshop-404-title {
        font-size: 40px;
    }

    .woocommerce ul.products {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
 * 打印样式
 * ============================================================ */
@media print {
    .topshop-header,
    .topshop-footer,
    .topshop-breadcrumb-wrap,
    .topshop-sidebar,
    .topshop-menu-toggle,
    .topshop-header-actions,
    .topshop-post-nav,
    .topshop-search-panel {
        display: none !important;
    }

    .topshop-container {
        max-width: 100%;
        padding: 0;
    }

    .topshop-post-single,
    .topshop-page-article {
        border: none;
        padding: 0;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    .woocommerce .topshop-wc .topshop-container {
        padding: 0;
    }
}