/**
 * ============================================================
 * mobile_style.css — 全站移动端响应式覆盖 (Production v2)
 * 引入方式：在 </body> 前加 <link rel="stylesheet" href="/style/css/mobile_style.css">
 * 规则：只含 @media，不改动任何 PC 样式
 * 校验日期：2026-07-24
 * ============================================================
 */

/* ============================================================
   断点 1：平板横屏 / 小桌面  (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {

  /* ----- 容器 ----- */
  body .container {
    padding-left: 15px;
    padding-right: 15px;
  }

  /* ----- Header 微调 ----- */
  body .header-logo img {
    width: 2.4rem;
    height: auto;
  }
  body .header-search {
    width: 3rem;
  }
  body .header-search input {
    font-size: 14px;
  }
  body .header-contacts {
    gap: 15px;
  }
  body .header-contact-item .contact-icon {
    width: 34px;
    height: 34px;
  }
  body .header-contact-item .contact-number {
    font-size: 18px;
  }

  /* ----- 首页轮播 ----- */
  body .hero-swiper {
    height: 380px;
  }
  body .hero-info-card-box {
    width: 90vw;
    padding: 0 15px;
  }
  body .hero-info-card-box .text {
    font-size: 0.28rem;
  }
  body .hero-info-card {
    padding: 0.4rem;
  }
  body .swiper-button-p-b-box {
    width: 100%;
    padding: 0 15px;
  }

  /* ----- 特点模块 ----- */
  body .features-section {
    height: auto;
    padding: 20px 0;
  }
  body .feature-item {
    padding: 15px;
  }
  body .features-section .feature-icon {
    width: 44px;
    height: 44px;
  }
  body .features-section .feature-title {
    font-size: 16px;
  }
  body .features-section .feature-desc {
    font-size: 12px;
  }

  /* ----- 热销产品 ----- */
  body .hot-products-section {
    padding: 0.6rem 0;
  }
  body .section-title {
    font-size: 0.28rem;
    margin-bottom: 0.4rem;
  }
  body .product-categories {
    gap: 12px;
  }
  body .product-category-card {
    height: 3rem;
  }
  body .product-category-overlay {
    padding: 0.35rem 0.6rem;
    height: 3rem;
  }
  body .cat-card-title {
    font-size: 0.24rem;
  }
  body .cat-card-desc {
    font-size: 12px;
  }
  body .cat-card-tags {
    gap: 8px;
    margin-top: 12px;
  }
  body .cat-card-tags span {
    font-size: 13px;
  }
  body .hot-products-section .product-grid,
  body .hot-products-section .product-grid-1,
  body .hot-products-section .product-grid-2,
  body .hot-products-section .product-grid-31 {
    grid-template-columns: repeat(3, 1fr);
    padding: 15px;
    gap: 15px;
  }
  body .hot-products-section .product-img-wrap {
    height: 1.2rem;
  }
  body .hot-products-section .product-info {
    padding: 0.2rem 0 0;
  }
  body .hot-products-section .product-name {
    font-size: 15px;
  }
  body .hot-products-section .product-spec {
    font-size: 13px;
  }
  body .hot-products-section .product-price {
    font-size: 18px;
  }

  /* ----- 促销模块 ----- */
  body .promotions-section {
    padding: 0.6rem 0;
  }
  body .promo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  body .promo-img-wrap {
    height: 2rem;
  }
  body .promo-body {
    padding: 14px 18px;
  }
  body .promo-title {
    font-size: 15px;
  }

  /* ----- 合作伙伴 ----- */
  body .partners-section {
    padding: 0.6rem 0;
  }
  body .partners-grid,
  body .partners-grid-166,
  body .partners-grid-167,
  body .partners-grid-168 {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  body .partner-item img {
    width: 1.1rem;
    height: 1.1rem;
  }

  /* ----- 页脚 ----- */
  body .footer-main {
    padding: 0.5rem 0 0;
  }
  body .footer-main .container {
    gap: 25px;
  }
  body .footer-brand {
    flex: 0 0 100%;
  }
  body .footer-logo-row img {
    width: 2.5rem;
    height: auto;
  }
  body .footer-nav-area {
    width: 100%;
    justify-content: flex-start;
  }
  body .footer-nav-col {
    flex: 1 1 calc(25% - 20px);
  }
  body .footer-qr-item img {
    width: 1.2rem;
    height: 1.2rem;
  }

  /* ==========================================================
     产品列表页 / 搜索页 / 详情页 — 通用内页组件
     ========================================================== */

  /* 面包屑 */
  body .breadcrumb-nav .breadcrumb-wrap {
    height: auto;
    min-height: 36px;
    padding: 6px 0;
    font-size: 13px;
  }

  /* 分类标签 */
  body .cat-tabs-nav {
    padding: 0.3rem 0 0.2rem;
  }
  body .cat-tabs-wrap {
    gap: 10px;
  }
  body .cat-tab {
    padding: 10px 16px;
    font-size: 14px;
  }

  /* 搜索区域 */
  body .pro-search-section {
    padding: 0.3rem 0 0.2rem;
  }
  body .pro-search-section .search-wrap {
    width: 100%;
    max-width: 400px;
  }
  body .pro-search-section .search-input {
    height: 44px;
    font-size: 14px;
  }
  body .pro-search-section .search-btn {
    width: 60px;
    height: 44px;
  }

  /* 主内容区布局：侧边栏 + 内容 */
  body .main-content,
  body .main-content-search,
  body .main-content-article,
  body .main-content-product-show,
  body .main-content-fengcai-show {
    padding: 0.3rem 0;
  }
  body .main-content .main-wrap {
    gap: 0.3rem;
  }
  body .sidebar-left {
    width: 2.6rem;
    padding: 0.2rem 0.15rem;
  }
  body .sidebar-left .sidebar-header-title {
    font-size: 16px;
  }
  body .category-item .category-parent {
    padding: 12px 15px 12px 20px;
    font-size: 14px;
  }
  body .category-item .category-children {
    padding: 15px 0 15px 20px;
  }
  body .category-item .category-child {
    font-size: 13px;
    margin-bottom: 10px;
  }

  /* 右侧内容区产品卡片 */
  body .main-content .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  body .main-content .product-card .product-img-wrap {
    height: 1.4rem;
  }
  body .main-content .product-card .product-title {
    font-size: 14px;
  }

  /* 筛选栏 */
  body .filter-bar {
    flex-wrap: wrap;
    gap: 10px;
  }
  body .filter-tab {
    width: auto;
    padding: 4px 10px;
    height: 28px;
    font-size: 12px;
  }
  body .filter-bar .filter-search-input {
    width: 2.5rem;
    height: 36px;
    font-size: 13px;
  }

  /* 产品表格 — 允许横向滚动 */
  body .product-table-section {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  body .product-table-box {
    min-width: 700px;
  }

  /* 分页 */
  body .tob-pages {
    margin-top: 0.3rem;
  }
  body .tob-pages a,
  body .tob-pages .hell {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
    padding: 0 8px;
  }
  body .pagination-wrap {
    padding: 16px 0;
  }
  body .pagination-wrap .page-btn {
    min-width: 30px;
    height: 30px;
    font-size: 12px;
    padding: 0 8px;
  }

  /* 产品详情页公共 */
  body .product-page-content {
    padding: 0.4rem;
    margin-bottom: 0.2rem;
  }
  body .product-page-content h2.product-page-btn span {
    font-size: 16px;
  }
  body .product-page-content .product-page-show {
    font-size: 14px;
    line-height: 1.8;
    margin-top: 0.2rem;
  }

  /* 产品头部 */
  body .product-head {
    padding: 20px 0 30px;
  }
  body .product-head-wrap {
    gap: 30px;
  }
  body .gallery-left {
    width: 100%;
    max-width: 100%;
  }
  body .gallery-main {
    max-height: 420px;
  }

  /* 文章/页面详情 */
  body .page-show-list {
    padding: 0.4rem;
  }
  body .page-show-list .article-title {
    font-size: 20px;
    padding-bottom: 0.2rem;
  }
  body .page-show-list .rich-body {
    font-size: 14px;
    line-height: 1.8;
  }
  body .article-show-content {
    padding: 0.4rem;
    margin-top: 0.3rem;
  }

  /* 文章列表卡片 */
  body .article-section .promo-img-wrap {
    height: 2.5rem;
  }
  body .article-section .promo-text {
    padding: 12px 20px;
    width: 90%;
    margin-top: -40px;
  }
  body .article-section .promo-text-title {
    font-size: 16px;
  }

  /* 搜索无结果 */
  body .search-results-box-no-data .nodata {
    padding: 40px 15px;
  }

  /* 文献分页 */
  body .literature-pagination {
    margin-top: 20px;
  }
  body .literature-pagination .page-btn {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
  }
}

/* ============================================================
   断点 2：小平板 / 大手机横屏  (max-width: 992px)
   ============================================================ */
@media (max-width: 992px) {

  /* ----- 首页轮播 ----- */
  body .hero-swiper {
    height: 320px;
  }
  body .hero-info-card-box .text {
    font-size: 0.24rem;
    margin-bottom: 0.3rem;
  }
  body .hero-info-card {
    padding: 0.3rem;
  }
  body .hero-stat-item .stat-label {
    font-size: 14px;
    margin-bottom: 10px;
  }
  body .hero-stat-item .stat-number {
    font-size: 28px;
  }

  /* ----- 热销产品 ----- */
  body .hot-products-section .product-grid,
  body .hot-products-section .product-grid-1,
  body .hot-products-section .product-grid-2,
  body .hot-products-section .product-grid-31 {
    grid-template-columns: repeat(2, 1fr);
  }
  body .product-category-card {
    height: 2.6rem;
  }
  body .product-category-overlay {
    height: 2.6rem;
    padding: 0.3rem 0.5rem;
  }

  /* ----- 合作伙伴 ----- */
  body .partners-grid,
  body .partners-grid-166,
  body .partners-grid-167,
  body .partners-grid-168 {
    grid-template-columns: repeat(3, 1fr);
  }

  /* ----- 页脚 ----- */
  body .footer-nav-col {
    flex: 1 1 calc(33.333% - 20px);
  }

  /* ----- 产品列表页 ----- */
  body .main-content .main-wrap {
    flex-direction: column;
  }
  body .sidebar-left {
    width: 100%;
    border-radius: var(--radius);
  }
  body .content-right {
    width: 100%;
  }
  body .main-content .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 分类树在移动端可横向滚动 */
  body .category-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
  }
  body .category-list .category-item {
    width: 50%;
  }

  /* 产品详情页 */
  body .product-head-wrap {
    flex-direction: column;
    gap: 20px;
  }
  body .gallery-left {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }
}
/* ============================================================
   断点 3：手机竖屏 / 横屏  (max-width: 768px)
   这是最关键的断点，全面切换为移动端布局。
   ============================================================ */
@media (max-width: 768px) {

  body {
    font-size: 16px;
  }

  body .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  /* ===== Header & Nav ===== */
  body .site-header {
    position: sticky;
    top: 0;
  }
  body .header-logo-bar .container {
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 8px;
  }
  body .header-logo {
    order: 1;
  }
  body .header-logo img {
    width: 180px;
    height: auto;
  }
  body .header-search {
    order: 3;
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
  }
  body .header-search form {
    display: none;
    position: absolute;
    top: 100%;
    left: 12px;
    right: 12px;
    width: auto;
    z-index: 999;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    margin-top: 4px;
  }
  body .header-search.search-active form {
    display: flex;
  }
  body .search-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
  }
  body .header-search .search-keywords {
    display: none;
  }
  body .header-contacts {
    display: none;
  }

  body .site-nav {
    height: 44px;
  }
  body .nav-categories {
    display: none;
  }
  body .nav-actions {
    display: none;
  }
  body .nav-hamburger {
    display: block;
    font-size: 20px;
    padding: 8px;
  }
  body .nav-main {
    display: none;
    flex-direction: column;
    height: auto;
    background: #e55a1f;
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
  }
  body .nav-main.open {
    display: flex;
  }
  body .nav-main > li {
    height: auto;
    border-bottom: 1px solid rgba(255,255,255,.12);
  }
  body .nav-main > li > a {
    padding: 12px 15px;
    height: auto;
    font-size: 15px;
  }
  body .nav-dropdown {
    position: static;
    box-shadow: none;
    border-top: none;
    background: rgba(0,0,0,.08);
    display: none;
  }
  body .nav-main > li:hover .nav-dropdown {
    display: none;
  }
  body .nav-main > li.open-sub .nav-dropdown {
    display: block;
  }
  body .nav-dropdown li a {
    color: rgba(255,255,255,.85);
    padding: 10px 15px 10px 30px;
    border-color: rgba(255,255,255,.08);
    font-size: 14px;
  }

  /* ===== 首页轮播 ===== */
  body .hero-swiper {
    height: 220px;
  }
  body .hero-info-card-box {
    width: 92vw;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) !important;
  }
  body .hero-info-card-box .text {
    font-size: 18px;
    margin-bottom: 15px;
  }
  body .hero-info-card {
    padding: 15px 12px;
    border-radius: 12px;
  }
  body .hero-stats {
    gap: 8px;
    padding: 10px;
    flex-wrap: wrap;
  }
  body .hero-stat-item {
    flex: 1 1 45%;
    min-width: 0;
  }
  body .hero-stat-item .stat-label {
    font-size: 11px;
    margin-bottom: 6px;
  }
  body .hero-stat-item .stat-number {
    font-size: 20px;
  }
  body .swiper-button-p-b-box {
    display: none;
  }
  body .hero-swiper .swiper-button-next,
  body .hero-swiper .swiper-button-prev {
    width: 32px;
    height: 32px;
  }
  body .hero-swiper .swiper-button-next::after,
  body .hero-swiper .swiper-button-prev::after {
    font-size: 16px;
  }

  /* ===== 特点模块 ===== */
  body .features-section {
    display: none;
  }

  /* ===== 热销产品 ===== */
  body .hot-products-section {
    padding: 30px 0;
  }
  body .section-title {
    font-size: 20px;
    margin-bottom: 20px;
  }
  body .product-categories {
    flex-direction: column;
    gap: 12px;
  }
  body .product-category-card,
  body .product-category-card-box-1,
  body .product-category-card-box-2,
  body .product-category-card-box-3,
  body .product-category-card-box-4,
  body .product-category-card-box-5,
  body .product-category-card-box-6 {
    height: 180px;
    border-radius: 10px;
  }
  body .product-category-overlay {
    height: 180px;
    padding: 20px 25px;
  }
  body .cat-card-title {
    font-size: 18px;
  }
  body .cat-card-desc {
    font-size: 12px;
    margin-top: 6px;
  }
  body .cat-card-tags {
    gap: 6px;
    margin-top: 10px;
  }
  body .cat-card-tags span {
    font-size: 12px;
  }
  body .cat-card-btn {
    width: 90px;
    height: 28px;
    font-size: 13px;
    margin-top: 10px;
  }
  body .hot-products-section .product-grid,
  body .hot-products-section .product-grid-1,
  body .hot-products-section .product-grid-2,
  body .hot-products-section .product-grid-31 {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
  }
  body .hot-products-section .product-img-wrap {
    height: 100px;
  }
  body .hot-products-section .product-info {
    padding: 10px 0 0;
  }
  body .hot-products-section .product-name {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }
  body .hot-products-section .product-spec {
    font-size: 12px;
    margin-top: 6px;
  }
  body .hot-products-section .product-price {
    font-size: 15px;
    margin-top: 8px;
  }
  body .hot-products-section .product-price > span {
    font-size: 15px;
  }

  /* ===== 促销模块 ===== */
  body .promotions-section {
    padding: 30px 0;
  }
  body .promo-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  body .promo-card {
    border-radius: 10px;
  }
  body .promo-img-wrap {
    height: 180px;
  }
  body .promo-body {
    padding: 12px 15px;
  }
  body .promo-title {
    font-size: 15px;
  }
  body .promo-desc {
    font-size: 13px;
    margin-bottom: 10px;
  }
  body .promo-more {
    padding: 6px 14px;
    font-size: 12px;
  }
  body .promo-view-more {
    margin-top: 25px;
  }
  body .promo-view-more a {
    width: 160px;
    height: 40px;
    font-size: 14px;
  }

  /* ===== 合作伙伴 ===== */
  body .partners-section {
    padding: 30px 0;
  }
  body .partners-tabs {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
  }
  body .partners-section .partner-tab-btn {
    padding: 8px 18px;
    font-size: 13px;
    border-radius: 4px !important;
    border: 1px solid var(--border) !important;
  }
  body .partners-section .partner-tab-btn2 {
    width: auto;
    font-size: 14px;
    padding: 6px 12px;
  }
  body .partners-section .partner-tab-btn2::after {
    display: none;
  }
  body .partners-grid,
  body .partners-grid-166,
  body .partners-grid-167,
  body .partners-grid-168 {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  body .partner-item {
    padding: 12px 10px;
    gap: 6px;
    border-radius: 8px;
  }
  body .partner-item img {
    width: 60px;
    height: 60px;
  }
  body .partner-name {
    font-size: 12px;
  }

  /* ===== 页脚 ===== */
  body .footer-main {
    padding: 30px 0 0;
  }
  body .footer-main .container {
    flex-direction: column;
    gap: 20px;
  }
  body .footer-logo-row img {
    width: 200px;
    height: auto;
  }
  body .footer-brand-content {
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
  }
  body .footer-qrcodes {
    gap: 10px;
  }
  body .footer-qr-item img {
    width: 90px;
    height: 90px;
  }
  body .footer-qr-item span {
    font-size: 12px;
  }
  body .footer-contact-list .email-info {
    font-size: 14px;
  }
  body .footer-contact-list .email-content {
    font-size: 18px;
  }
  body .footer-contact-list li .hotline-text {
    font-size: 14px;
  }
  body .footer-contact-list li .hotline-phone {
    font-size: 16px;
  }
  body .footer-nav-area {
    gap: 12px;
  }
  body .footer-nav-col {
    flex: 1 1 calc(50% - 12px);
    min-width: 0;
  }
  body .footer-nav-title {
    font-size: 15px;
    padding-bottom: 10px;
  }
  body .footer-nav-col a {
    font-size: 13px;
    margin-bottom: 8px;
  }
  body .footer-address {
    font-size: 13px;
    padding: 10px 0;
  }
  body .footer-bottom {
    padding: 12px 0;
  }
  body .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  body .footer-links-label {
    font-size: 13px;
  }
  body .footer-links a {
    font-size: 13px;
  }
  body .footer-icp {
    font-size: 12px;
    flex-wrap: wrap;
  }

  /* ===== 面包屑 ===== */
  body .breadcrumb-nav .breadcrumb-wrap {
    font-size: 12px;
    gap: 4px;
    padding: 4px 0;
    flex-wrap: wrap;
  }
  body .breadcrumb-nav .breadcrumb-icon {
    font-size: 10px;
  }
  body .breadcrumb-nav .breadcrumb-separator {
    font-size: 10px;
  }

  /* ===== 分类标签 ===== */
  body .cat-tabs-nav {
    padding: 15px 0 10px;
  }
  body .cat-tabs-wrap {
    gap: 8px;
  }
  body .cat-tab {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 6px;
  }

  /* ===== 搜索区域 ===== */
  body .pro-search-section {
    padding: 15px 0 10px;
  }
  body .pro-search-section .search-wrap {
    width: 100%;
    max-width: none;
  }
  body .pro-search-section .search-input {
    height: 40px;
    padding-left: 15px;
    font-size: 14px;
    border-radius: 8px;
  }
  body .pro-search-section .search-btn {
    width: 50px;
    height: 40px;
    background-size: 20px;
  }

  /* ===== 主内容区通用 ===== */
  body .main-content,
  body .main-content-search,
  body .main-content-article,
  body .main-content-product-show,
  body .main-content-fengcai-show {
    padding: 15px 0;
  }
  body .main-content .main-wrap {
    flex-direction: column;
    gap: 15px;
  }

  /* ===== 侧边栏 ===== */
  body .sidebar-left {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
  }
  body .sidebar-left .sidebar-header-title {
    font-size: 16px;
  }
  body .sidebar-left .sidebar-header-title img {
    width: 30px;
    height: 22px;
    left: -25px;
  }
  body .category-list {
    flex-direction: column;
    margin-top: 15px;
  }
  body .category-list .category-item {
    width: 100%;
  }
  body .category-item .category-parent {
    padding: 10px 15px;
    font-size: 14px;
  }
  body .category-item .category-children {
    padding: 10px 0 10px 20px;
  }
  body .category-item .category-child {
    font-size: 13px;
    margin-bottom: 8px;
  }

  /* ===== 右侧内容区产品卡片 ===== */
  body .content-right {
    width: 100%;
  }
  body .main-content .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  body .main-content .product-card .product-img-wrap {
    height: 120px;
  }
  body .main-content .product-card .product-info {
    padding: 10px 12px 14px;
  }
  body .main-content .product-card .product-title {
    font-size: 13px;
    min-height: auto;
  }
  body .main-content .product-card .product-code {
    font-size: 12px;
    margin-top: 6px;
  }
  body .main-content .product-card .product-price-now {
    font-size: 16px;
  }
  body .main-content .product-card .product-price-original {
    font-size: 11px;
  }
  body .main-content .product-card .product-price-row {
    margin-top: 8px;
  }
  body .main-content .product-card .product-tags {
    margin-bottom: 4px;
  }
  body .main-content .product-card .product-tag {
    font-size: 10px;
  }

  /* ===== 筛选栏 ===== */
  body .filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 15px;
  }
  body .filter-bar .filter-tabs {
    gap: 6px;
  }
  body .filter-tab {
    width: auto;
    height: 30px;
    padding: 0 10px;
    font-size: 12px;
  }
  body .filter-bar .filter-search {
    width: 100%;
  }
  body .filter-bar .filter-search-input {
    width: 100%;
    height: 36px;
    padding: 0 40px 0 15px;
    font-size: 13px;
  }
  body .filter-bar .filter-search-btn {
    width: 40px;
    height: 36px;
    background-size: 18px;
  }

  /* ===== 产品表格 ===== */
  body .product-table-section {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -12px;
    padding: 0 12px;
  }
  body .product-table-box {
    min-width: 650px;
  }
  body .product-table-box .thead {
    height: 50px;
    padding: 0 15px;
    border-radius: 10px 10px 0 0;
  }
  body .product-table-box .thead .table-th {
    font-size: 14px;
  }
  body .product-table-box .thead .table-th:first-child {
    width: 200px;
    padding-right: 15px;
  }
  body .product-table-box .tbody {
    padding: 0 15px;
    border-radius: 0 0 10px 10px;
  }
  body .product-table-box .table-tr {
    min-height: 60px;
  }
  body .product-table-box .tbody .table-td {
    width: 100px;
    font-size: 13px;
  }
  body .product-table-box .tbody .table-td:first-child {
    width: 200px;
    padding-right: 15px;
  }
  body .product-table-box .tbody .plasmid-name a {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }
  body .product-table-section .product-code {
    gap: 4px;
  }
  body .product-table-section .code-text {
    font-size: 11px;
  }
  body .product-table-section .pro-type {
    max-width: 120px;
    font-size: 12px;
  }
  body .product-table-box .thead-29 .table-th:first-child,
  body .product-table-box .thead-30 .table-th:first-child,
  body .product-table-box .thead-31 .table-th:first-child,
  body .product-table-box .thead-32 .table-th:first-child,
  body .product-table-box .thead-33 .table-th:first-child {
    flex: 0 0 200px;
  }
  body .product-table-box .tbody-29 .table-td:first-child,
  body .product-table-box .tbody-30 .table-td:first-child,
  body .product-table-box .tbody-31 .table-td:first-child,
  body .product-table-box .tbody-32 .table-td:first-child,
  body .product-table-box .tbody-33 .table-td:first-child {
    flex: 0 0 200px;
  }

  /* ===== 分页 ===== */
  body .tob-pages {
    margin-top: 20px;
    font-size: 13px;
  }
  body .tob-pages a,
  body .tob-pages .hell {
    min-width: 30px;
    height: 30px;
    font-size: 13px;
    padding: 0 6px;
    margin-right: 6px;
  }
  body .tob-pages .page-total {
    font-size: 12px;
  }
  body .pagination-wrap {
    padding: 12px 0;
    gap: 4px;
  }
  body .pagination-wrap .page-btn {
    min-width: 28px;
    height: 28px;
    font-size: 12px;
    padding: 0 6px;
  }
  body .pagination-wrap .page-total {
    font-size: 11px;
    margin-left: 4px;
  }

  /* ===== 产品详情页 ===== */
  body .main-content-product-content {
    padding: 0;
  }
  body .product-head {
    padding: 15px 0 25px;
  }
  body .product-head-wrap {
    flex-direction: column;
    gap: 15px;
  }
  body .gallery-left {
    width: 100%;
    max-width: 100%;
  }
  body .gallery-main {
    max-height: 320px;
    height: auto;
    aspect-ratio: 4/3;
  }
  body .gallery-watermark {
    font-size: 10px;
    bottom: 6px;
    left: 6px;
  }
  body .gallery-thumbs-wrap {
    margin-top: 8px;
  }
  body .gallery-thumb {
    height: 60px;
  }
  body .thumb-nav-btn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  body .thumb-prev {
    left: 4px;
  }
  body .thumb-next {
    right: 4px;
  }

  body .info-right {
    width: 100%;
    min-width: 0;
  }
  body .info-top-bar {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    padding: 10px 0;
  }
  body .info-top-ref {
    font-size: 11px;
    padding: 3px 8px;
  }
  body .info-top-copy {
    font-size: 11px;
    padding: 3px 8px;
  }
  body .product-title-main {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 15px;
  }
  body .product-subtitle {
    font-size: 13px;
    margin-bottom: 12px;
  }
  body .info-row {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.5;
  }
  body .info-label {
    min-width: 70px;
    font-size: 14px;
  }
  body .info-value {
    font-size: 14px;
  }
  body .price-row {
    margin: 15px 0;
    padding: 15px 0;
    flex-wrap: wrap;
    gap: 8px;
  }
  body .price-promo {
    font-size: 14px;
  }
  body #promoPrice,
  body .price-symbol,
  body .price-promo .price-symbol {
    font-size: 22px;
  }
  body .price-market {
    font-size: 13px;
    margin-left: 0;
  }
  body .btn-group {
    gap: 10px;
    flex-wrap: wrap;
  }
  body .btn-orange-outline {
    height: 36px;
    font-size: 14px;
    padding: 0 12px;
    margin-right: 0;
  }
  body .btn-orange-outline img {
    height: 16px;
    margin-right: 6px;
  }
  body .info-note {
    font-size: 12px;
    margin-top: 10px;
    padding-top: 10px;
  }

  /* 标签导航 */
  body .tab-sticky {
    height: auto;
    background: #fafafc;
  }
  body .tab-nav {
    height: auto;
    gap: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  body .tab-item {
    font-size: 15px;
    line-height: 44px;
    padding: 0 15px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  body .tab-item.active::after {
    height: 3px;
    bottom: 0;
  }

  /* 内容区块 */
  body .section-block {
    padding: 20px 15px;
    border-radius: 10px;
  }
  body .pro-section-title {
    font-size: 16px;
    margin-bottom: 15px;
    padding-bottom: 10px;
  }
  body .pro-section-title span::after {
    bottom: -10px;
  }
  body .section-block-item2 {
    margin-top: 25px;
  }
  body .product-show-box {
    padding-top: 20px;
  }
  body .overview-text {
    font-size: 14px;
    line-height: 1.8;
  }
  body .overview-text h2 {
    font-size: 15px;
  }
  body .overview-text ol {
    padding-left: 16px;
  }
  body .overview-text table td,
  body .overview-text table th {
    padding: 8px 12px;
    font-size: 12px;
  }

  /* 相关产品推荐 */
  body .recommend-section {
    margin-top: 25px;
  }
  body .recommend-section .pro-section-title {
    margin-bottom: 20px;
  }
  body .recommend-section .pro-section-title span {
    font-size: 18px;
    padding-bottom: 15px;
  }
  body .recommend-swiper {
    padding: 0 30px;
  }
  body .swiper-nav-btn {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  body .swiper-prev {
    left: -5px;
  }
  body .swiper-next {
    right: -5px;
  }
  body .rec-card {
    border-radius: 8px;
  }
  body .rec-img-wrap {
    height: 140px;
  }
  body .rec-info {
    padding: 10px 12px 12px;
  }
  body .rec-title {
    font-size: 13px;
    min-height: auto;
  }
  body .rec-tags {
    margin-bottom: 4px;
  }
  body .rec-tag {
    font-size: 10px;
  }
  body .rec-code {
    font-size: 11px;
    margin-top: 4px;
  }
  body .rec-price-row {
    margin-top: 8px;
  }
  body .rec-price-now {
    font-size: 15px;
  }
  body .rec-price-now .price-s {
    font-size: 12px;
  }
  body .rec-price-orig {
    font-size: 11px;
  }

  /* 文献引用 */
  body .references-section {
    gap: 12px;
  }
  body .references-section-item {
    padding: 15px;
    border-radius: 8px;
  }
  body .references-section-item .re-title {
    font-size: 14px;
  }
  body .references-section-item .re-list {
    font-size: 12px;
    margin-top: 10px;
  }
  body .references-section-item .re-list.re-author {
    margin-top: 10px;
  }
  body .references-section-item .re-if-box {
    margin-top: 10px;
  }
  body .references-section-item span.re-if {
    font-size: 12px;
    padding: 5px 12px;
  }
  body .literature-pagination {
    margin-top: 15px;
    gap: 4px;
  }
  body .literature-pagination .page-btn {
    min-width: 30px;
    height: 30px;
    font-size: 12px;
    padding: 0 6px;
  }

  /* ===== 文章/页面详情 ===== */
  body .page-title-section {
    padding: 25px 0 20px;
  }
  body .main-content-article .page-title {
    font-size: 20px;
  }
  body .article-show-content {
    padding: 15px;
    margin-top: 15px;
    border-radius: 10px;
  }
  body .article-wrap {
    padding: 0;
  }
  body .article-title {
    font-size: 18px;
    margin-bottom: 15px;
  }
  body .article-meta {
    gap: 10px;
    font-size: 12px;
    padding-bottom: 10px;
  }
  body .article-summary {
    font-size: 14px;
    line-height: 1.8;
    padding: 10px 0 15px;
  }
  body .article-banner {
    margin-bottom: 15px;
    border-radius: 8px;
  }
  body .article-nav {
    padding: 15px 0;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  body .nav-prev,
  body .nav-next {
    font-size: 14px;
  }
  body .back-to-list-wrap {
    justify-content: center;
  }
  body .back-to-list-btn {
    width: 120px;
    height: 36px;
    font-size: 14px;
  }

  body .page-show-list {
    padding: 20px 15px;
    border-radius: 10px;
  }
  body .page-show-list .article-title {
    font-size: 18px;
    padding-bottom: 15px;
  }
  body .page-show-list .article-meta {
    justify-content: center;
    flex-wrap: wrap;
  }
  body .page-show-list .rich-body {
    font-size: 14px;
    line-height: 1.8;
    padding-top: 10px;
  }
  body .page-show-list .rich-body img {
    max-width: 100%;
    height: auto;
  }
  body .page-show-list .article-nav {
    margin-top: 15px;
    padding-top: 15px;
  }

  /* ===== 文章列表 ===== */
  body .article-section {
    padding: 0 0 20px;
  }
  body .article-section .article-promo-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  body .article-section .article-promo-card {
    border-radius: 10px;
  }
  body .article-section .promo-img-wrap {
    height: 180px;
    border-radius: 10px;
  }
  body .article-section .promo-text {
    padding: 10px 15px;
    width: 92%;
    margin-top: -30px;
    border-radius: 8px;
  }
  body .article-section .promo-text-title {
    font-size: 15px;
  }
  body .article-section .promo-text-desc {
    font-size: 13px;
  }

  /* ===== 搜索无结果 ===== */
  body .search-results {
    padding-top: 0;
  }
  body .search-results-box-no-data .nodata {
    padding: 30px 15px;
  }
  body .search-results-box-no-data .nodata img {
    max-width: 120px;
  }

  /* ===== 客服悬浮窗 ===== */
  body .cs-widget-container {
    right: 10px;
    bottom: 20px;
    gap: 8px;
  }
  body .cs-toggle-btn {
    right: 10px;
    bottom: 15%;
    width: 50px;
    height: 50px;
    border-radius: 8px;
  }
  body .cs-toggle-btn .consult-info img {
    width: 22px;
    height: 22px;
  }
  body .cs-toggle-btn .consult-info span {
    font-size: 10px;
    margin-top: 3px;
  }
  body .cs-info-card {
    left: auto;
    right: 55px;
    top: -100px;
    width: 140px;
    height: auto;
    padding: 20px 10px 12px;
    border-radius: 8px;
  }
  body .cs-info-title {
    font-size: 12px;
  }
  body .cs-info-phone {
    font-size: 14px;
    margin: 8px 0 10px;
  }
  body .cs-action-list {
    gap: 5px;
  }
  body .cs-action-btn {
    width: 100%;
    height: 26px;
    line-height: 26px;
    font-size: 12px;
    padding-left: 10px;
    border-radius: 13px;
  }
  body .cs-action-btn i {
    width: 18px;
    height: 15px;
    margin-right: 5px;
  }
  body .cs-qr-col {
    left: auto;
    right: 55px;
    top: -80px;
    width: 95px;
    height: auto;
    padding: 0 8px;
    border-radius: 8px;
  }
  body .cs-qr-card {
    padding: 8px 0;
    margin-bottom: 6px;
  }
  body .cs-qr-card img {
    width: 70px;
    height: 70px;
  }
  body .cs-qr-card span {
    font-size: 11px;
  }
}

/* ============================================================
   断点 4：小屏手机  (max-width: 480px)
   进一步收紧布局、字号和间距。
   ============================================================ */
@media (max-width: 480px) {

  body .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  /* ===== Header ===== */
  body .header-logo img {
    width: 150px;
  }
  body .search-toggle-btn {
    font-size: 18px;
    padding: 6px;
  }
  body .site-nav {
    height: 40px;
  }
  body .nav-main {
    top: 40px;
  }
  body .nav-main > li > a {
    padding: 10px 12px;
    font-size: 14px;
  }

  /* ===== 首页轮播 ===== */
  body .hero-swiper {
    height: 180px;
  }
  body .hero-info-card-box .text {
    font-size: 16px;
    margin-bottom: 10px;
  }
  body .hero-info-card {
    padding: 10px 8px;
    border-radius: 8px;
  }
  body .hero-stats {
    padding: 6px 8px;
    gap: 4px;
  }
  body .hero-stat-item .stat-label {
    font-size: 10px;
    margin-bottom: 4px;
  }
  body .hero-stat-item .stat-number {
    font-size: 16px;
  }
  body .hero-stat-item .stat-number span {
    font-size: 10px;
  }

  /* ===== 热销产品 ===== */
  body .hot-products-section {
    padding: 20px 0;
  }
  body .section-title {
    font-size: 18px;
    margin-bottom: 15px;
  }
  body .product-category-card,
  body .product-category-card-box-1,
  body .product-category-card-box-2,
  body .product-category-card-box-3,
  body .product-category-card-box-4,
  body .product-category-card-box-5,
  body .product-category-card-box-6 {
    height: 150px;
  }
  body .product-category-overlay {
    height: 150px;
    padding: 15px 18px;
  }
  body .cat-card-title {
    font-size: 16px;
  }
  body .cat-card-tags span {
    font-size: 11px;
  }
  body .cat-card-btn {
    width: 80px;
    height: 26px;
    font-size: 12px;
  }
  body .hot-products-section .product-grid,
  body .hot-products-section .product-grid-1,
  body .hot-products-section .product-grid-2,
  body .hot-products-section .product-grid-31 {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px;
  }
  body .hot-products-section .product-img-wrap {
    height: 90px;
  }
  body .hot-products-section .product-name {
    font-size: 12px;
  }
  body .hot-products-section .product-spec {
    font-size: 11px;
  }
  body .hot-products-section .product-price {
    font-size: 14px;
  }
  body .hot-products-section .product-price > span {
    font-size: 14px;
  }

  /* ===== 促销 ===== */
  body .promo-img-wrap {
    height: 150px;
  }
  body .promo-body {
    padding: 10px 12px;
  }
  body .promo-title {
    font-size: 14px;
  }
  body .promo-desc {
    font-size: 12px;
    -webkit-line-clamp: 2;
  }

  /* ===== 合作伙伴 ===== */
  body .partners-section .partner-tab-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
  body .partners-grid,
  body .partners-grid-166,
  body .partners-grid-167,
  body .partners-grid-168 {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  body .partner-item img {
    width: 50px;
    height: 50px;
  }
  body .partner-name {
    font-size: 11px;
  }

  /* ===== 页脚 ===== */
  body .footer-logo-row img {
    width: 160px;
  }
  body .footer-qr-item img {
    width: 80px;
    height: 80px;
  }
  body .footer-nav-col {
    flex: 1 1 100%;
  }
  body .footer-nav-title {
    font-size: 14px;
  }
  body .footer-nav-col a {
    font-size: 12px;
  }
  body .footer-contact-list .email-content {
    font-size: 16px;
  }
  body .footer-contact-list li .hotline-phone {
    font-size: 14px;
  }
  body .footer-bottom {
    padding: 10px 0;
  }
  body .footer-icp {
    font-size: 11px;
  }

  /* ===== 面包屑 ===== */
  body .breadcrumb-nav .breadcrumb-wrap {
    font-size: 11px;
  }

  /* ===== 分类标签 ===== */
  body .cat-tab {
    padding: 5px 10px;
    font-size: 12px;
  }

  /* ===== 搜索 ===== */
  body .pro-search-section .search-input {
    height: 36px;
    font-size: 13px;
  }
  body .pro-search-section .search-btn {
    width: 44px;
    height: 36px;
    background-size: 18px;
  }

  /* ===== 产品网格 ===== */
  body .main-content .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  body .main-content .product-card .product-img-wrap {
    height: 100px;
  }
  body .main-content .product-card .product-title {
    font-size: 12px;
  }
  body .main-content .product-card .product-code {
    font-size: 11px;
  }
  body .main-content .product-card .product-price-now {
    font-size: 14px;
  }
  body .main-content .product-card .product-price-original {
    font-size: 10px;
  }

  /* ===== 侧边栏分类 ===== */
  body .sidebar-left {
    padding: 12px;
  }
  body .category-item .category-parent {
    padding: 8px 12px;
    font-size: 13px;
  }
  body .category-item .category-children {
    padding: 8px 0 8px 15px;
  }
  body .category-item .category-child {
    font-size: 12px;
    margin-bottom: 6px;
  }

  /* ===== 筛选栏 ===== */
  body .filter-tab {
    height: 26px;
    padding: 0 8px;
    font-size: 11px;
  }
  body .filter-bar .filter-search-input {
    height: 32px;
    font-size: 12px;
  }

  /* ===== 产品表格 ===== */
  body .product-table-box {
    min-width: 560px;
  }
  body .product-table-box .thead {
    height: 42px;
    padding: 0 10px;
  }
  body .product-table-box .thead .table-th {
    font-size: 12px;
  }
  body .product-table-box .thead .table-th:first-child {
    width: 160px;
    padding-right: 10px;
  }
  body .product-table-box .tbody {
    padding: 0 10px;
  }
  body .product-table-box .table-tr {
    min-height: 50px;
  }
  body .product-table-box .tbody .table-td {
    width: 80px;
    font-size: 11px;
  }
  body .product-table-box .tbody .table-td:first-child {
    width: 160px;
    padding-right: 10px;
  }
  body .product-table-box .tbody .plasmid-name a {
    font-size: 12px;
  }
  body .product-table-section .pro-type {
    max-width: 100px;
    font-size: 11px;
  }
  body .product-table-section .code-text {
    font-size: 10px;
  }
  body .product-table-box .thead-29 .table-th:first-child,
  body .product-table-box .thead-30 .table-th:first-child,
  body .product-table-box .thead-31 .table-th:first-child,
  body .product-table-box .thead-32 .table-th:first-child,
  body .product-table-box .thead-33 .table-th:first-child {
    flex: 0 0 160px;
  }
  body .product-table-box .tbody-29 .table-td:first-child,
  body .product-table-box .tbody-30 .table-td:first-child,
  body .product-table-box .tbody-31 .table-td:first-child,
  body .product-table-box .tbody-32 .table-td:first-child,
  body .product-table-box .tbody-33 .table-td:first-child {
    flex: 0 0 160px;
  }

  /* ===== 分页 ===== */
  body .tob-pages a,
  body .tob-pages .hell {
    min-width: 28px;
    height: 28px;
    font-size: 12px;
    padding: 0 4px;
    margin-right: 4px;
  }
  body .tob-pages .page-total {
    font-size: 11px;
  }
  body .pagination-wrap .page-btn {
    min-width: 26px;
    height: 26px;
    font-size: 11px;
    padding: 0 4px;
  }

  /* ===== 产品详情页 ===== */
  body .product-head {
    padding: 10px 0 20px;
  }
  body .gallery-main {
    max-height: 260px;
  }
  body .gallery-thumb {
    height: 50px;
  }
  body .thumb-nav-btn {
    width: 26px;
    height: 26px;
    font-size: 10px;
  }
  body .product-title-main {
    font-size: 16px;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
  body .info-top-bar {
    margin-bottom: 10px;
  }
  body .info-row {
    font-size: 13px;
    margin-bottom: 6px;
  }
  body .info-label {
    font-size: 13px;
    min-width: 65px;
  }
  body .info-value {
    font-size: 13px;
  }
  body .price-row {
    margin: 10px 0;
    padding: 10px 0;
  }
  body #promoPrice,
  body .price-symbol,
  body .price-promo .price-symbol {
    font-size: 18px;
  }
  body .price-market {
    font-size: 12px;
  }
  body .btn-orange-outline {
    height: 32px;
    font-size: 13px;
    padding: 0 10px;
  }
  body .btn-orange-outline img {
    height: 14px;
  }
  body .spec-option {
    width: 100%;
    justify-content: center;
    min-width: 0;
    height: 36px;
    font-size: 13px;
  }
  body .info-note {
    font-size: 11px;
  }
  body .tab-item {
    font-size: 14px;
    line-height: 40px;
    padding: 0 12px;
  }
  body .section-block {
    padding: 15px 12px;
  }
  body .pro-section-title {
    font-size: 15px;
  }
  body .overview-text {
    font-size: 13px;
    line-height: 1.7;
  }
  body .overview-text h2 {
    font-size: 14px;
  }
  body .overview-text table td,
  body .overview-text table th {
    padding: 6px 8px;
    font-size: 11px;
  }

  /* 推荐产品 */
  body .recommend-section .pro-section-title span {
    font-size: 16px;
  }
  body .recommend-swiper {
    padding: 0 25px;
  }
  body .swiper-nav-btn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  body .rec-img-wrap {
    height: 120px;
  }
  body .rec-title {
    font-size: 12px;
  }
  body .rec-price-now {
    font-size: 14px;
  }
  body .references-section-item {
    padding: 12px;
  }
  body .references-section-item .re-title {
    font-size: 13px;
  }
  body .references-section-item .re-list {
    font-size: 11px;
  }
  body .references-section-item span.re-if {
    font-size: 11px;
    padding: 4px 10px;
  }

  /* ===== 文章 ===== */
  body .article-show-content {
    padding: 12px;
  }
  body .article-title {
    font-size: 16px;
  }
  body .article-meta {
    font-size: 11px;
    gap: 8px;
  }
  body .article-summary {
    font-size: 13px;
  }
  body .article-section .promo-img-wrap {
    height: 150px;
  }
  body .article-section .promo-text {
    padding: 8px 12px;
    margin-top: -20px;
  }
  body .article-section .promo-text-title {
    font-size: 14px;
  }
  body .article-section .promo-text-desc {
    font-size: 12px;
  }
  body .page-show-list {
    padding: 15px 12px;
  }
  body .page-show-list .article-title {
    font-size: 16px;
  }
  body .page-show-list .rich-body {
    font-size: 13px;
    line-height: 1.7;
  }
  body .nav-prev,
  body .nav-next {
    font-size: 13px;
  }

  /* ===== 客服悬浮窗 ===== */
  body .cs-widget-container {
    right: 6px;
    bottom: 10px;
  }
  body .cs-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: 6px;
  }
  body .cs-toggle-btn .consult-info img {
    width: 18px;
    height: 18px;
  }
  body .cs-toggle-btn .consult-info span {
    font-size: 9px;
    margin-top: 2px;
  }
  body .cs-info-card {
    right: 48px;
    top: -90px;
    width: 125px;
    padding: 16px 8px 10px;
  }
  body .cs-info-card .close {
    width: 10px;
  }
  body .cs-action-btn {
    height: 24px;
    line-height: 24px;
    font-size: 11px;
    padding-left: 8px;
  }
  body .cs-action-btn i {
    width: 16px;
    height: 13px;
  }
  body .cs-qr-col {
    right: 48px;
    top: -60px;
    width: 85px;
    padding: 0 6px;
  }
  body .cs-qr-card {
    padding: 6px 0;
    margin-bottom: 4px;
  }
  body .cs-qr-card img {
    width: 60px;
    height: 60px;
  }
  body .cs-qr-card span {
    font-size: 10px;
  }
}