/* ===== Reset ===== */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    
    body {
      font-family: 'Segoe UI', Arial, sans-serif;
      color: #333 !important;
      background: #fff !important;
    }

    /* ===== 两层页眉结构 ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: transparent;
      transition: background 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease;
    }

    /* 滑动后的状态：半透明深灰 + 模糊 */
    .site-header.scrolled {
      background: rgba(45, 45, 45, 0.85);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
    }

    /* 内部容器，限制最大宽度并居中 */
    .header-container {
      max-width: 1440px;
      margin: 0 auto;
      padding: 0 40px;
      width: 100%;
    }

    /* =========================================
       第一层：Top Bar (顶部小导�?
       ========================================= */
    .top-bar-wrapper {
      width: 100%;
      border-bottom: 1px solid rgba(0, 0, 0, 0.8); /* 顶部默认黑色边框�?*/
      transition: border-color 0.35s ease;
    }

    /* 滑动后：边框变为白色 */
    .site-header.scrolled .top-bar-wrapper {
      border-bottom: 1px solid rgba(255, 255, 255, 0.2); 
    }

    .top-bar {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      height: 36px;
      gap: 30px;
    }

    .top-bar a, .top-bar button {
      color: #fff;
      font-size: 12px;
      text-decoration: none;
      opacity: 0.8;
      transition: opacity 0.2s;
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .top-bar a:hover, .top-bar button:hover {
      opacity: 1;
    }

    .lang-arrow {
      width: 10px;
      height: 10px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.5;
    }

    /* =========================================
       第二层：Main Nav (主导�?
       ========================================= */
    .main-nav-wrapper {
      width: 100%;
    }

    .main-nav {
      display: flex;
      align-items: center;
      height: 56px; /* 下层整体小巧一�?*/
    }

    /* 左侧 Logo */
    .logo {
      margin-right: 48px; /* Logo与菜单保持一定间�?*/
    }

    .logo a {
      font-size: 28px;
      font-weight: 700;
      color: #fff;
      text-decoration: none;
      letter-spacing: -0.5px;
    }

    /* 中间 菜单（靠左） */
    .main-menu {
      display: flex;
      list-style: none;
      gap: 28px;
      margin: 0;
      padding: 0;
      margin-right: auto; /* 自动撑满右侧，将按钮推向最右侧 */
    }

    .main-menu li a {
      color: #fff;
      text-decoration: none;
      font-size: 13px; /* 字体适度小一点以匹配小巧�?*/
      font-weight: 400;
      opacity: 0.9;
      transition: opacity 0.2s;
    }

    .main-menu li a:hover {
      opacity: 1;
    }

    /* 右侧 按钮 */
    .btn-consult {
      display: inline-block;
      background: #fff;
      color: #000;
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      padding: 5px 20px; /* 减小上下内边�?*/
      border-radius: 16px;
      transition: background 0.2s, transform 0.2s;
    }

    .btn-consult:hover {
      background: #f0f0f0;
    }

    /* =========================================
       Banner 轮播
       ========================================= */
    .banner-swiper {
      width: 100%;
      height: 800px;
      background: #000;
    }
    .banner-swiper .swiper-slide {
      position: relative;
      overflow: hidden;
      background: #000;
    }
    .banner-swiper .swiper-slide a {
      display: block;
      width: 100%;
      height: 100%;
      text-decoration: none;
      color: inherit;
    }
    .banner-swiper .swiper-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .banner-text {
      position: absolute;
      top: 18%;
      left: 0;
      right: 0;
      text-align: center;
      padding: 0 20px;
      z-index: 3;
      color: #fff;
    }
    .banner-text h4 {
      font-size: 21px;
      font-weight: 400;
      line-height: 1.4;
      opacity: 0.85;
      margin: 0 0 12px 0;
    }
    .banner-text h1 {
      font-size: 56px;
      font-weight: 700;
      line-height: 1.2;
      margin: 0 0 24px 0;
      letter-spacing: -0.5px;
    }
    .banner-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      color: #000;
      padding: 8px 22px;
      font-size: 15px;
      border-radius: 30px;
      text-decoration: none;
      opacity: 0.92;
      transition: opacity 0.2s, transform 0.2s;
    }
    .banner-btn:hover { opacity: 1; transform: translateY(-1px); }
    .banner-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }

    /* 黑底版本（如 sales-no1�?*/
    .banner-text.theme-dark h4,
    .banner-text.theme-dark h1 { color: #000; }
    .banner-text.theme-dark .banner-btn { background: #000; color: #fff; }

    /* 导航按钮 */
    .banner-swiper .swiper-button-prev,
    .banner-swiper .swiper-button-next {
      color: #fff;
      width: 40px;
      height: 40px;
      opacity: 0.55;
      transition: opacity 0.2s;
    }
    .banner-swiper .swiper-button-prev:hover,
    .banner-swiper .swiper-button-next:hover { opacity: 1; }
    .banner-swiper .swiper-button-prev::after,
    .banner-swiper .swiper-button-next::after { font-size: 22px; }

    /* 分页器：往上移避开新闻�?*/
    .banner-swiper .swiper-pagination {
      bottom: 140px;
    }
    .banner-swiper .swiper-pagination-bullet {
      background: #fff;
      opacity: 0.5;
      width: 8px;
      height: 8px;
    }
    .banner-swiper .swiper-pagination-bullet-active {
      opacity: 1;
      width: 24px;
      border-radius: 4px;
    }

    /* 文案进入动画：仅当前 active slide 触发 */
    .banner-text > h4,
    .banner-text > h1,
    .banner-text > .banner-btn {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .swiper-slide-active .banner-text > h4 {
      opacity: 0.85;
      transform: translateY(0);
      transition-delay: 0.15s;
    }
    .swiper-slide-active .banner-text > h1 {
      opacity: 1;
      transform: translateY(0);
      transition-delay: 0.35s;
    }
    .swiper-slide-active .banner-text > .banner-btn {
      opacity: 0.92;
      transform: translateY(0);
      transition-delay: 0.55s;
    }

    /* =========================================
       Banner 底部新闻条（位于 banner 之下，用�?margin 上移叠加�?       ========================================= */
    .banner-news-wrapper {
      position: relative;
      width: 100%;
      margin-top: -70px; /* 上移：让一半叠�?banner 内，一半超出到 banner 下方 */
      padding: 0 40px;
      z-index: 10;
      pointer-events: none; /* 让容器透明区域不拦截事�?*/
      /* 下半部填白，避免 banner 与下方板块之间露�?body 黑底 */
      background: linear-gradient(to bottom, transparent 0, transparent 50%, #fff 50%, #fff 100%);
    }
    .banner-news {
      max-width: 1200px;
      margin: 0 auto;
      pointer-events: auto;
      background: rgba(255, 255, 255, 0.85);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border-radius: 10px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      overflow: hidden;
    }
    /* 每列：固定高度容器，承载垂直 Swiper */
    .banner-news-col {
      position: relative;
      height: 140px;
      overflow: hidden;
      transition: background 0.25s ease;
    }
    .banner-news-col + .banner-news-col {
      border-left: 1px solid rgba(0, 0, 0, 0.08);
    }
    .banner-news-col:hover {
      background: #ececec;
    }
    .banner-news-swiper {
      width: 100%;
      height: 100%;
    }
    .banner-news-item {
      display: flex !important;
      align-items: center;
      justify-content: center;
      padding: 0 36px;
      color: #222;
      text-decoration: none;
      font-size: 18px;
      line-height: 1.5;
      text-align: center;
      transition: color 0.25s ease;
      height: 100%;
      box-sizing: border-box;
    }
    .banner-news-col:hover .banner-news-item {
      color: #000;
    }

    /* =========================================
       语言选择弹窗 (Language Modal)
       ========================================= */
    .lang-modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.4); /* 背景透明�?透明度低 */
      z-index: 2000;
      display: flex;
      justify-content: center;
      align-items: center;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .lang-modal-overlay.show {
      opacity: 1;
      visibility: visible;
    }

    .lang-modal-content {
      background: #fff;
      width: 90%;
      max-width: 800px;
      border-radius: 12px;
      padding: 40px;
      position: relative;
      transform: scale(0.95) translateY(10px);
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      max-height: 90vh;
      overflow-y: auto;
    }

    .lang-modal-overlay.show .lang-modal-content {
      transform: scale(1) translateY(0);
    }

    .lang-modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      background: none;
      border: none;
      color: #999;
      cursor: pointer;
      padding: 5px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color 0.2s;
    }
    
    .lang-modal-close:hover {
      color: #000;
    }

    .lang-modal-close svg {
      width: 20px;
      height: 20px;
    }

    .lang-modal-title {
      color: #000;
      font-size: 24px;
      font-weight: 600;
      text-align: center;
      margin-bottom: 32px;
      margin-top: 0;
    }

    .lang-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 20px;
    }

    .lang-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 20px;
      background: #f7f7f7;
      border-radius: 6px;
      text-decoration: none;
      color: #000;
      transition: all 0.2s ease;
    }

    .lang-item .lang-code {
      font-size: 14px;
      font-weight: 600;
    }

    .lang-item .lang-name {
      font-size: 14px;
      color: #888;
      transition: color 0.2s ease;
    }

    /* 悬停列表变化，黑色背景，白色字体 */
    .lang-item:hover, .lang-item.active {
      background: #000;
      color: #fff;
    }

    /* =========================================
       咨询表单弹窗 (Consult Modal)
       ========================================= */
    .consult-modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5); /* 稍微深一点的黑色遮罩 */
      z-index: 2000;
      display: flex;
      justify-content: center;
      align-items: center;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .consult-modal-overlay.show {
      opacity: 1;
      visibility: visible;
    }

    .consult-modal-content {
      width: 90%;
      max-width: 900px;
      border-radius: 12px;
      overflow: hidden;
      position: relative;
      transform: scale(0.95) translateY(10px);
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      max-height: 90vh;
      display: flex;
      flex-direction: column;
      box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    }

    .consult-modal-overlay.show .consult-modal-content {
      transform: scale(1) translateY(0);
    }

    /* 表单头部（橘红色�?*/
    .consult-modal-header {
      background-color: #ff4610;
      padding: 30px 40px;
      text-align: center;
      position: relative;
    }

    .consult-modal-header h2 {
      color: #fff;
      margin: 0 0 10px 0;
      font-size: 28px;
      font-weight: 700;
    }

    .consult-modal-header p {
      color: #fff;
      font-size: 16px;
      margin: 0;
      opacity: 0.95;
    }

    .consult-modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      background: none;
      border: none;
      color: rgba(255,255,255,0.7);
      font-size: 28px;
      cursor: pointer;
      line-height: 1;
      transition: color 0.2s;
    }

    .consult-modal-close:hover {
      color: #fff;
    }

    /* 表单主体（白色） */
    .consult-modal-body {
      background: #fff;
      padding: 35px;
      overflow-y: auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0px 40px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      margin-bottom: 20px;
    }

    .form-group.full-width {
      grid-column: 1 / -1;
    }

    .form-group label {
      color: #555;
      font-size: 14px;
      margin-bottom: 8px;
      font-weight: 500;
    }

    .form-group label span {
      color: #ff4610;
    }

    .form-control {
      background: #f8f9fa;
      border: 1px solid #f0f0f0;
      border-radius: 6px;
      padding: 12px 16px;
      font-size: 14px;
      color: #333;
      font-family: inherit;
      transition: border-color 0.2s;
      outline: none;
    }

    .form-control:focus {
      border-color: #ff4610;
      background: #fff;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 80px;
    }

    /* 复选框条款区域 */
    .terms-box {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 30px;
    }

    .terms-box input[type="checkbox"] {
      margin-top: 4px;
      width: 16px;
      height: 16px;
      accent-color: #ff4610;
    }

    .terms-box p {
      color: #666;
      font-size: 13px;
      line-height: 1.5;
      margin: 0;
    }

    .terms-box a {
      color: #888;
      text-decoration: underline;
    }

    /* 提交按钮 */
    .submit-btn-box {
      text-align: center;
    }

    .submit-btn {
      background-color: #ff4610;
      color: #fff;
      border: none;
      padding: 12px 40px;
      font-size: 16px;
      font-weight: 600;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.2s;
    }

    .submit-btn:hover {
      background-color: #ea3a06;
    }

    /* =========================================
       In-depth Product Knowledge
       ========================================= */
    .knowledge-section {
      background: #fff;
      color: #000;
      padding: 80px 40px;
      text-align: center;
    }
    .knowledge-section h2 {
      font-size: 36px;
      font-weight: 500;
      margin-bottom: 60px;
      color: #000;
    }
    .knowledge-cards {
      display: flex;
      justify-content: center;
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .k-card {
      flex: 1;
      max-width: 340px;
      border: 1px solid #d8d8d8;
      border-radius: 6px;
      padding: 50px 30px;
      text-decoration: none;
      color: #000;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      background: #fff;
    }
    .k-card:hover {
      background: #000;
      color: #fff;
      border-color: #000;
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(0,0,0,0.12);
    }
    .k-card .k-icon {
      width: 48px;
      height: 48px;
      margin-bottom: 24px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.5;
    }
    .k-card h3 {
      font-size: 20px;
      font-weight: 500;
      margin: 0 0 18px 0;
    }
    .k-arrow {
      width: 22px;
      height: 22px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.5;
    }

    /* =========================================
       Footer
       ========================================= */
    .site-footer {
      background: #000;
      color: #a0a0a0;
      padding: 60px 0 24px;
      font-size: 13px;
    }
    .footer-container {
      max-width: 1440px;
      margin: 0 auto;
      padding: 0 40px;
    }
    .footer-breadcrumb {
      margin-bottom: 16px;
      font-size: 13px;
    }
    .footer-breadcrumb a {
      color: #a0a0a0;
      text-decoration: none;
    }
    .footer-divider {
      border: none;
      border-top: 1px solid #2a2a2a;
      margin: 0 0 50px 0;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-logo {
      font-size: 28px;
      color: #fff;
      font-weight: 700;
      text-decoration: none;
      display: inline-block;
      margin-bottom: 24px;
    }
    .footer-newsletter-title {
      color: #fff;
      font-size: 14px;
      font-weight: 500;
      margin: 0 0 14px 0;
    }
    .footer-input {
      width: 100%;
      max-width: 280px;
      background: #2a2a2a;
      border: none;
      color: #fff;
      padding: 11px 14px;
      border-radius: 4px;
      font-size: 13px;
      margin-bottom: 10px;
      outline: none;
    }
    .footer-input::placeholder {
      color: #888;
    }
    .footer-submit {
      width: 100%;
      max-width: 280px;
      background: #fff;
      color: #000;
      padding: 10px;
      border: none;
      border-radius: 4px;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: opacity 0.2s;
    }
    .footer-submit:hover {
      opacity: 0.85;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 14px;
      font-weight: 500;
      margin: 0 0 22px 0;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col ul li {
      margin-bottom: 12px;
    }
    .footer-col ul li a {
      color: #a0a0a0;
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }
    .footer-col ul li a:hover {
      color: #fff;
    }
    .footer-contact ul li {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-contact svg {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.5;
    }
    .footer-bottom-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 24px 0 16px;
    }
    .footer-bottom-nav .left-links {
      display: flex;
      gap: 28px;
      list-style: none;
      padding: 0;
      margin: 0;
      flex-wrap: wrap;
    }
    .footer-bottom-nav .left-links a {
      color: #a0a0a0;
      text-decoration: none;
      font-size: 13px;
    }
    .footer-bottom-nav .left-links a:hover {
      color: #fff;
    }
    .footer-social {
      display: flex;
      gap: 16px;
    }
    .footer-social a {
      color: #a0a0a0;
      display: inline-flex;
      transition: color 0.2s;
    }
    .footer-social a:hover {
      color: #fff;
    }
    .footer-social svg {
      width: 18px;
      height: 18px;
      fill: currentColor;
    }
    .footer-bottom-info {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0 0;
      border-top: 1px solid #2a2a2a;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-info-left {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      align-items: center;
      font-size: 12px;
    }
    .footer-info-left a, .footer-info-left span {
      color: #a0a0a0;
      text-decoration: none;
    }
    .footer-info-left a:hover {
      color: #fff;
    }
    .footer-lang {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #a0a0a0;
      text-decoration: none;
      font-size: 13px;
    }
    .footer-lang svg {
      width: 16px;
      height: 16px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.5;
    }
    .footer-disclaimer {
      width: 100%;
      margin-top: 8px;
      font-size: 12px;
      color: #666;
    }

    /* =========================================
       移动端汉堡按钮（默认隐藏，移动端显示�?       ========================================= */
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      margin-left: auto;
      width: 36px;
      height: 36px;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
    }
    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.2s ease;
    }
    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* =========================================
       右侧悬浮�?(Floating Window)
       ========================================= */
    .floatingWindow {
      position: fixed;
      right: 16px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 900;
      display: flex;
      flex-direction: column;
      gap: 14px;
      background: rgba(255, 255, 255, 0.7);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      padding: 14px 10px;
      border-radius: 40px;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    }
    .floatingWindow-item {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 56px;
      cursor: pointer;
      text-decoration: none;
      color: #333;
      transition: transform 0.2s ease;
    }
    .floatingWindow-item:hover {
      transform: translateY(-2px);
    }
    .floatingWindow-item img {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      object-fit: cover;
      display: block;
    }
    .floatingWindow-item span {
      margin-top: 6px;
      font-size: 12px;
      color: #333;
      white-space: nowrap;
    }
    .floatingWindow-item.op-06 {
      opacity: 0.6;
    }
    .floatingWindow-item.op-06:hover {
      opacity: 1;
    }
    /* 第一�?Talk 上方的橘色提示气泡（三个点呼吸闪动） */
    .staffService_Tip {
      position: absolute;
      right: -6px;
      top: -2px;
      width: 20px;
      height: 16px;
      border-radius: 8px;
      background: #ff4610;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      animation: tipPulse 1.6s ease-in-out infinite;
    }
    .staffService_Tip svg {
      width: 12px;
      height: 12px;
    }
    @keyframes tipPulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.12); }
    }

    /* 移动端：页脚语言入口（默认隐藏，移动端显示） */
    .footer-lang-mobile {
      display: none;
    }

    /* 桌面端：语言入口可点�?*/
    .footer-lang {
      cursor: pointer;
    }

    /* 页脚列标题默认为 h4，桌面端始终展开；移动端做手风琴 */
    .footer-col h4 {
      cursor: default;
      user-select: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .footer-col h4 .acc-icon {
      display: none;
      width: 14px;
      height: 14px;
      stroke: currentColor;
      fill: none;
      stroke-width: 2;
      transition: transform 0.3s ease;
    }

    /* =========================================
       Responsive: <= 768px
       ========================================= */
    @media (max-width: 768px) {
      /* 顶部小导航在移动端隐藏，节省空间 */
      .top-bar-wrapper {
        display: none;
      }

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

      .main-nav {
        height: 56px;
        position: relative;
      }

      .logo {
        margin-right: 0;
      }

      .logo a {
        font-size: 24px;
      }

      /* 桌面菜单变成下滑面板 */
      .main-menu {
        position: absolute;
        top: 56px;
        left: -16px;
        right: -16px;
        width: calc(100% + 32px);
        flex-direction: column;
        gap: 0;
        background: rgba(30, 30, 30, 0.98);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        padding: 0 16px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        margin: 0;
      }
      .main-menu.open {
        max-height: 80vh;
        padding: 8px 16px 16px;
        border-top: 1px solid rgba(255,255,255,0.1);
      }
      .main-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.08);
      }
      .main-menu li a {
        display: block;
        padding: 14px 4px;
        font-size: 15px;
      }

      /* 隐藏顶部右侧咨询按钮，让位汉堡按�?*/
      .right-btn {
        display: none;
      }
      .nav-toggle {
        display: flex;
      }

      /* Banner 移动�?*/
      .banner-swiper { height: 80vh; }
      .banner-text { top: 16%; padding: 0 16px; }
      .banner-text h4 { font-size: 13px; margin-bottom: 8px; }
      .banner-text h1 { font-size: 24px; margin-bottom: 18px; line-height: 1.25; }
      .banner-btn { font-size: 13px; padding: 7px 18px; }
      .banner-swiper .swiper-button-prev,
      .banner-swiper .swiper-button-next { display: none; }
      .banner-swiper .swiper-pagination { bottom: 16px; }
      /* Banner 底部新闻条移动端：只显示一列垂直滚�?*/
      .banner-news-wrapper {
        margin-top: -40px;
        padding: 0 12px;
      }
      .banner-news {
        grid-template-columns: 1fr;
      }
      /* 仅显示第一列，其余列在手机端隐�?*/
      .banner-news-col:nth-child(n + 2) {
        display: none;
      }
      .banner-news-col {
        height: 64px;
      }
      .banner-news-item {
        padding: 0 16px;
        font-size: 13px;
      }

      /* 产品知识 */
      .knowledge-section {
        padding: 50px 20px;
      }
      .knowledge-section h2 {
        font-size: 24px;
        margin-bottom: 32px;
      }
      .knowledge-cards {
        flex-direction: column;
        gap: 12px;
      }
      /* 移动端：卡片改为水平布局（图标在左，文字居中，箭头在右） */
      .k-card {
        max-width: 100%;
        flex-direction: row;
        align-items: center;
        padding: 18px 20px;
        gap: 16px;
      }
      .k-card .k-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 0;
        flex-shrink: 0;
      }
      .k-card h3 {
        flex: 1;
        margin: 0;
        text-align: left;
        font-size: 16px;
      }
      .k-card .k-arrow {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
      }

      /* ============ 页脚手风�?============ */
      .site-footer {
        padding: 40px 0 20px;
      }
      .footer-container {
        padding: 0 20px;
      }
      .footer-divider {
        margin-bottom: 24px;
      }
      .footer-main {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0px;
      }

      /* 第一列订阅块始终展开，不参与手风�?*/
      .footer-newsletter {
        margin-bottom: 16px;
      }
      .footer-input,
      .footer-submit {
        max-width: 100%;
      }

      /* 折叠列样�?*/
      .footer-col.acc {
        border-top: 1px solid #2a2a2a;
      }
      .footer-col.acc:last-of-type {
        border-bottom: 1px solid #2a2a2a;
      }
      .footer-col.acc h4 {
        cursor: pointer;
        padding: 16px 0;
        margin: 0;
      }
      .footer-col.acc h4 .acc-icon {
        display: block;
      }
      .footer-col.acc.open h4 .acc-icon {
        transform: rotate(180deg);
      }
      .footer-col.acc ul {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0;
      }
      .footer-col.acc.open ul {
        max-height: 600px;
        padding-bottom: 16px;
      }

      /* 移动端语言入口：与手风琴标题相同高�?字号/边框，但箭头向右且不可展开 */
      .footer-lang-mobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 0;
        color: #fff;
        font-size: 14px;
        font-weight: 500;
        text-decoration: none;
        border-bottom: 1px solid #2a2a2a;
        margin-bottom: 24px;
        cursor: pointer;
      }
      .footer-lang-mobile .acc-icon {
        width: 14px;
        height: 14px;
        stroke: currentColor;
        fill: none;
        stroke-width: 2;
      }

      /* 移动端隐藏底部信息栏里原有的语言入口（已移至手风琴下方） */
      .footer-bottom-info .footer-lang {
        display: none;
      }

      /* =========================================
         移动端：悬浮窗变为底部水平条
         - Email / WhatsApp / Inquiry 横向一排，左图标右文字
         - Talk（头像）单独浮在底部条右上方
         - Top 按钮隐藏
         ========================================= */
      .floatingWindow {
        left: 12px;
        right: 12px;
        bottom: 12px;
        top: auto;
        transform: none;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.7);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      }

      /* 默认（非 Talk）项目：横向 icon + 文字，均分宽�?*/
      .floatingWindow-item {
        flex: 1;
        width: auto;
        flex-direction: row;
        gap: 8px;
        padding: 4px 6px;
        background: none;
        box-shadow: none;
        border-radius: 0;
      }
      .floatingWindow-item img {
        width: 28px;
        height: 28px;
      }
      .floatingWindow-item span {
        font-size: 12px;
        margin-top: 0;
      }

      /* Talk 头像：单独定位到底部条右上角，不参与一排排�?*/
      #customerService {
        position: fixed;
        right: 12px;
        bottom: 70px; /* 浮在底部条上�?*/
        flex: none;
        width: 56px;
        padding: 0;
        gap: 0;
        background: none;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-radius: 0;
        z-index: 901;
      }
      #customerService img {
        width: 56px;
        height: 56px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
      }
      /* 手机端隐�?Talk 的文字标�?*/
      #customerService span {
        display: none;
      }

      /* "Top" 项在移动端隐�?*/
      #mob-none {
        display: none;
      }

      /* 底部导航 + 社交 */
      .footer-bottom-nav {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
        padding: 20px 0 16px;
      }
      .footer-bottom-nav .left-links {
        gap: 16px 20px;
      }
      .footer-social {
        align-self: flex-start;
      }

      /* 底部信息 */
      .footer-bottom-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .footer-info-left {
        gap: 10px 14px;
        font-size: 11px;
      }
    }

/* =========================================
   Product 板块
   ========================================= */
.product-section {
  width: 100%;
  background: #fff;
  padding: 100px 0 80px;
}
.product-nav {
  max-width: 1120px;
  margin: 0 auto 60px;
  padding: 0 16px;
}
.product-nav ul {
  list-style: none;
  display: flex;
  position: relative;
  padding: 0 0 16px 0;
  margin: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.product-nav li {
  flex: 1;
  text-align: center;
  font-size: 18px;
  color: #000;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.3s ease, color 0.3s ease;
  padding: 0 10px;
  user-select: none;
}
.product-nav li:hover { opacity: 0.85; }
.product-nav li.active {
  opacity: 1;
  color: #ff4610;
}
.product-nav-indicator {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 2px;
  width: 0;
  background: #ff4610;
  transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1), width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-content {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
}
.product-panel {
  display: none;
  grid-template-columns: 288px 1fr;
  gap: 16px;
  animation: productFadeIn 0.6s ease both;
}
.product-panel.active { display: grid; }
@keyframes productFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.product-left {
  position: relative;
  height: 576px;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  display: block;
  text-decoration: none;
  color: #fff;
}
.product-left .pl-bg,
.product-left .pl-bg2 {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease;
}
.product-left .pl-bg2 { opacity: 0; }
.product-left:hover .pl-bg { opacity: 0; }
.product-left:hover .pl-bg2 { opacity: 1; }
.product-left .pl-content {
  position: relative;
  z-index: 3;
  padding: 35px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.product-left h2 {
  font-size: 26px;
  font-weight: 500;
  color: #fff;
  margin: 0 0 16px 0;
  line-height: 1.3;
}
.product-left p {
  font-size: 15px;
  color: #fff;
  opacity: 0.8;
  line-height: 1.6;
  margin: 0;
}
.product-left .pl-more {
  position: absolute;
  right: 32px;
  bottom: 32px;
  z-index: 3;
  font-size: 15px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding-bottom: 2px;
  transition: gap 0.25s ease;
}
.product-left:hover .pl-more { gap: 12px; }
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: 100%;
}
.product-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #f5f5f5;
  min-height: 200px;
  text-decoration: none;
  color: #000;
  display: block;
}
.product-card .pc-img,
.product-card .pc-img-hover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease;
}
.product-card .pc-img-hover { opacity: 0; }
.product-card:hover .pc-img { opacity: 0; }
.product-card:hover .pc-img-hover { opacity: 1; }
.product-card .pc-text {
  position: absolute;
  z-index: 3;
  top: 28px;
  left: 27px;
  transition: color 0.3s ease;
}
.product-card .pc-text h4 {
  font-size: 16px;
  font-weight: 400;
  opacity: 0.85;
  color: #000;
  margin: 0 0 10px 0;
  transition: color 0.3s ease;
}
.product-card .pc-text hr {
  width: 27px;
  border: none;
  border-top: 1px solid #000;
  transition: width 0.3s ease, border-color 0.3s ease;
}
.product-card:hover .pc-text h4,
.product-card:hover .pc-text hr {
  color: #fff;
  border-color: #fff;
}
.product-card:hover .pc-text hr { width: 50px; }

/* ===================================
   Outstanding Customer Cases
   =================================== */
.case-section {
  width: 100%;
  padding: 96px 0 100px;
  background: #fff;
}
.case-nav {
  text-align: center;
  padding-bottom: 56px;
}
.case-nav h2 {
  font-size: 40px;
  font-weight: 600;
  color: #000;
  line-height: 44px;
  margin: 0 0 18px;
  letter-spacing: 0;
}
.case-nav p {
  font-size: 18px;
  color: #333;
  margin: 0;
  letter-spacing: 0;
}
.case-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.case-mySwiper {
  width: 100%;
  overflow: hidden;
  padding: 30px 0; /* room for scale */
}
.case-mySwiper .swiper-wrapper { align-items: center; }
.case-mySwiper .swiper-slide {
  width: 1152px;
  height: 500px;
  background: #f5f5f5;
  border-radius: 8px;
  overflow: hidden;
  opacity: 0.5;
  transform: scale(0.8);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.case-mySwiper .swiper-slide.swiper-slide-active {
  opacity: 1;
  transform: scale(1);
}
.case-mySwiper .swiper-slide > a {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.case-mySwiper .case-img {
  width: 50%;
  height: 100%;
  overflow: hidden;
}
.case-mySwiper .case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-mySwiper .case-text {
  width: 50%;
  height: 100%;
  padding: 80px;
  box-sizing: border-box;
  text-align: left;
}
.case-mySwiper .case-logo {
  display: block;
  width: auto;
  height: 64px;
  margin-bottom: 25px;
  object-fit: contain;
}
.case-mySwiper .case-title {
  font-size: 24px;
  line-height: 48px;
  color: #34363d;
  margin: 0 0 60px;
  letter-spacing: 0;
}
.case-mySwiper .case-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  color: #000;
  cursor: pointer;
  transition: color 0.3s ease;
}
.case-mySwiper .swiper-slide:hover .case-more { color: #ff4610; }

/* Case prev/next buttons */
.case-nav-btns {
  position: relative;
  width: 112px;
  margin: 30px auto 0;
  display: flex;
  justify-content: space-between;
}
.case-btn-prev,
.case-btn-next {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #e0e2e4;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #333;
  background: #fff;
  transition: all 0.3s ease;
}
.case-btn-prev:hover,
.case-btn-next:hover {
  background: #000;
  color: #fff;
  border-color: #000;
}

/* Case responsive */
@media (min-width: 1024px) and (max-width: 1199px) {
  .case-section { padding: 68px 0; }
  .case-nav { padding-bottom: 32px; }
  .case-nav h2 { font-size: 28px; line-height: 36px; margin-bottom: 16px; }
  .case-nav p { font-size: 14px; line-height: 22px; }
  .case-mySwiper .swiper-slide { width: 744px; height: 294px; }
  .case-mySwiper .case-text { padding: 32px; }
  .case-mySwiper .case-logo { margin-bottom: 24px; height: 48px; }
  .case-mySwiper .case-title { font-size: 18px; line-height: 26px; margin-bottom: 32px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .case-section { padding: 48px 0; }
  .case-nav { padding-bottom: 32px; }
  .case-nav h2 { font-size: 28px; line-height: 36px; margin-bottom: 16px; }
  .case-nav p { font-size: 14px; line-height: 22px; }
  .case-mySwiper .swiper-slide { width: 680px; height: 294px; }
  .case-mySwiper .case-text { padding: 32px; }
  .case-mySwiper .case-logo { margin-bottom: 24px; height: 48px; }
  .case-mySwiper .case-title { font-size: 18px; line-height: 26px; margin-bottom: 20px; }
}
@media (max-width: 767px) {
  .case-section { padding: 32px 16px 0; }
  .case-nav { padding-bottom: 24px; }
  .case-nav h2 { font-size: 22px; line-height: 28px; margin-bottom: 8px; }
  .case-nav p { font-size: 13px; line-height: 18px; width: 90%; margin: 0 auto; }
  .case-mySwiper { padding: 10px 0; }
  /* 关键：拉伸等高 */
  .case-mySwiper .swiper-wrapper { align-items: stretch; }
  .case-mySwiper .swiper-slide {
    width: 100%;
    height: auto;
    transform: scale(1);
    opacity: 1;
    display: flex;
  }
  .case-mySwiper .swiper-slide > a {
    flex-direction: column;
    flex: 1;
  }
  .case-mySwiper .case-img { width: 100%; height: 200px; flex-shrink: 0; }
  .case-mySwiper .case-text {
    width: 100%;
    padding: 30px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .case-mySwiper .case-logo { height: 40px; margin-bottom: 16px; }
  .case-mySwiper .case-title { font-size: 14px; line-height: 24px; margin-bottom: 18px; flex: 1; }
  .case-nav-btns { margin-top: 16px; }
  .case-btn-prev, .case-btn-next { width: 36px; height: 36px; }
}

/* PC 版 Product 在移动端隐藏，改用 #md_Product */
.md-product-section { display: none; }
@media (max-width: 768px) {
  .product-section { display: none; }
  .md-product-section { display: block; background: #fff; padding: 40px 0 20px; }
  .md-product-section > ul {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 100%;
  }
  .md-product-section > ul > li {
    margin-bottom: 40px;
    padding: 0 16px;
  }
  .md-product-section .md-cat-title {
    font-size: 18px;
    font-weight: 500;
    color: #000;
    text-align: center;
    margin: 0 0 8px 0;
  }
  .md-product-section .md-cat-underline {
    display: block;
    width: 40px;
    height: 2px;
    background: #ff4610;
    margin: 0 auto 20px;
    border-radius: 2px;
  }
  .md-product-section .md-cat-swiper {
    width: 100%;
    padding-bottom: 30px;
  }
  .md-product-section .md-cat-swiper .swiper-slide {
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    height: 260px;
  }
  .md-product-section .md-cat-swiper .swiper-slide a {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
    color: #000;
  }
  .md-product-section .md-cat-swiper .md-pc-text {
    position: absolute;
    z-index: 3;
    top: 20px;
    left: 22px;
  }
  .md-product-section .md-cat-swiper .md-pc-text h4 {
    font-size: 16px;
    font-weight: 400;
    opacity: 0.85;
    color: #000;
    margin: 0 0 8px 0;
  }
  .md-product-section .md-cat-swiper .md-pc-text hr {
    width: 27px;
    border: none;
    border-top: 1px solid #000;
    margin: 0;
  }
  .md-product-section .md-cat-swiper .md-pc-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    border-radius: 8px;
  }
  .md-product-section .md-cat-swiper .swiper-pagination {
    bottom: 0 !important;
  }
  .md-product-section .md-cat-swiper .swiper-pagination-bullet {
    background: #000;
    opacity: 0.2;
    width: 6px;
    height: 6px;
    margin: 0 3px !important;
  }
  .md-product-section .md-cat-swiper .swiper-pagination-bullet-active {
    opacity: 0.8;
  }
}

/* ===== Core Technologies Section ===== */
.technology-section {
  padding: 96px 0;
  background: #fff;
}
.technology-nav {
  text-align: center;
  padding-bottom: 56px;
}
.technology-nav h2 {
  font-size: 40px;
  font-weight: 600;
  color: #000;
  line-height: 44px;
  margin-bottom: 18px;
  letter-spacing: 0;
}
.technology-nav p {
  font-size: 18px;
  color: #666;
  letter-spacing: 0;
}
.technology-content {
  max-width: 1120px;
  margin: 0 auto;
}
.technology-mySwiper {
  overflow: hidden;
}
.technology-mySwiper .swiper-slide {
  width: 352px;
  height: 264px;
  border-radius: 8px;
  overflow: hidden;
}
.technology-mySwiper .swiper-slide a {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}
.technology-mySwiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  transition: transform 0.3s ease;
}
.technology-mySwiper .swiper-slide a:hover img {
  transform: scale(1.05);
}
.technology-slide-text {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 56px;
  line-height: 56px;
  text-align: center;
  font-size: 16px;
  color: #fff;
  letter-spacing: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6) 100%);
  transition: background 0.3s ease;
}
.technology-nav-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}
.technology-btn-prev,
.technology-btn-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid #d0d0d0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #fff;
  color: #333;
  transition: all 0.2s;
}
.technology-btn-prev:hover,
.technology-btn-next:hover {
  border-color: #333;
  color: #000;
}

@media (max-width: 768px) {
  .technology-section { padding: 48px 16px; }
  .technology-nav { padding-bottom: 32px; }
  .technology-nav h2 { font-size: 24px; line-height: 32px; margin-bottom: 10px; }
  .technology-nav p { font-size: 14px; }
  .technology-mySwiper .swiper-slide { width: 280px; height: 210px; }
  .technology-nav-btns { margin-top: 24px; }
  .technology-btn-prev,
  .technology-btn-next { width: 36px; height: 36px; }
}

/* ===== Global Bodor Section ===== */
.global-section {
  padding-top: 96px;
  background: #fff;
}
/* --- PC version --- */
.global-pc {
  position: relative;
  width: 100%;
  background: #0a0a14;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.global-pc > img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.global-info {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  padding: 60px 20px 0;
  z-index: 2;
}
.global-info h2 {
  font-size: 40px;
  font-weight: 600;
  line-height: 44px;
  margin-bottom: 18px;
  color: #fff;
}
.global-info .global-subtitle {
  font-size: 16px;
  color: #fff;
  letter-spacing: 0;
}
.global-divider {
  width: 60px;
  border: none;
  border-top: 2px solid #e84e1b;
  margin: 28px auto;
}
.global-stats {
  display: flex;
  justify-content: center;
  gap: 0;
}
.global-stat {
  width: 256px;
  text-align: center;
}
.global-stat-num {
  font-size: 36px;
  font-weight: 500;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}
.global-stat-num sup {
  font-size: 20px;
  vertical-align: super;
}
.global-stat-label {
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
}
/* --- Mobile version --- */
.global-mobile {
  display: none;
  position: relative;
}
.global-mobile > img {
  width: 100%;
  height: auto;
  display: block;
}
.global-mobile-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 40px 16px 0;
  z-index: 2;
}
.global-mobile-overlay h2 {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  line-height: 36px;
  margin-bottom: 12px;
}
.global-mobile-overlay p {
  font-size: 14px;
  color: #fff;
}

@media (max-width: 768px) {
  .global-section { padding-top: 0; }
  .global-pc { display: none; }
  .global-mobile { display: block; }
}