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<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>404 - Page Not Found</title>
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  <link rel="stylesheet" href="/en/css/style.css">
  <style>
    html,
    body {
      height: 100%;
      overflow: hidden;
    }

    .error-page {
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f7f9fc;
      padding: 40px 20px;
      overflow: hidden;
    }
    .error-box {
      max-width: 720px;
      width: 100%;
      text-align: center;
      background: #fff;
      border-radius: 16px;
      padding: 48px 32px;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    }
    .error-code {
      font-size: 72px;
      line-height: 1;
      font-weight: 700;
      color: #0d6efd;
      margin-bottom: 16px;
    }
    .error-title {
      font-size: 28px;
      font-weight: 600;
      color: #1f2937;
      margin-bottom: 12px;
    }
    .error-desc {
      font-size: 16px;
      color: #6b7280;
      margin-bottom: 28px;
    }
    .error-btn {
      display: inline-block;
      padding: 12px 28px;
      background: #0d6efd;
      color: #fff;
      border-radius: 8px;
      text-decoration: none;
    }
    .error-btn:hover {
      color: #fff;
      opacity: 0.92;
    }
  </style>
</head>
<body>
<!-- Common header -->
<div class="pc-mode">
  <header class="header">
    <!-- 语言切换URL配置（从后端注入） -->
    <script>
        window.LANG_URL_EN = null;
        window.LANG_URL_ZH = null;
    </script>
    <div class="main-navigation">
        <nav class="navbar navbar-expand-lg" data-wow-delay=".5s">
            <div class="container custom-nav" style="position: relative;">
                <!--logo-->
                <a class="navbar-brand" href="/en/index">
                    <img src="/en/picture/logo.png" class="logo-display" alt="logo">
                    <img src="/en/picture/logo-white.png" class="logo-scrolled" alt="logo">
                </a>
                <!-- 菜单项 -->
                <div class="collapse navbar-collapse" id="main_nav">
                    <ul class="navbar-nav">
                        <li class="nav-item dropdown">
                            <a class="nav-link dropdown-toggle" href="#" data-bs-toggle="dropdown">Products</a>
                            <!-- 产品分类 -->
                            <div class="dropdown-menu mega-menu fade-down">
                                <div class="mega-menu-inner">
                                    <!-- 分类标签 -->
                                    <div class="mega-menu-tabs">
                                        <button class="mega-menu-tab active" data-tab="pos-terminal">POS Terminal</button>
                                        <button class="mega-menu-tab" data-tab="cloud-speaker">Cloud Soundbox</button>
                                    </div>
                                    <!-- POS Terminal 内容 -->
                                    <div class="mega-menu-panel active" id="pos-terminal">
                                    <div class="mega-menu-items">
                                        <a href="/en/cp20" class="mega-menu-item">
                                            <div class="mega-menu-item-icon">
                                               <img src="/en/images/home/img_cp20.png">
                                            </div>
                                            <span class="mega-menu-item-name">CP20</span>
                                        </a>
                                        <a href="/en/cp50" class="mega-menu-item">
                                            <div class="mega-menu-item-icon">
                                                <img src="/en/images/home/img_cp50.png">
                                            </div>
                                            <span class="mega-menu-item-name">CP50</span>
                                        </a>
                                        <a href="/en/cm20" class="mega-menu-item">
                                            <div class="mega-menu-item-icon">
                                                <img src="/en/images/home/img_cm20.png">
                                            </div>
                                            <span class="mega-menu-item-name">CM20</span>
                                        </a>
                                    </div>
                                </div>
                                    <!-- Cloud Soundbox 内容 -->
                                    <div class="mega-menu-panel" id="cloud-speaker">
                                        <div class="mega-menu-items">
                                            <a href="/en/cs50" class="mega-menu-item">
                                                <div class="mega-menu-item-icon">
                                                    <img src="/en/images/home/img_cs50.png">
                                                </div>
                                                <span class="mega-menu-item-name">CS50</span>
                                            </a>
                                            <a href="/en/cs56" class="mega-menu-item">
                                                <div class="mega-menu-item-icon">
                                                    <img src="/en/images/home/img_cs56.png">
                                                </div>
                                                <span class="mega-menu-item-name">CS56</span>
                                            </a>
                                            <a href="/en/cs62" class="mega-menu-item">
                                                <div class="mega-menu-item-icon">
                                                    <img src="/en/images/home/img_cs62.png">
                                                </div>
                                                <span class="mega-menu-item-name">CS62</span>
                                            </a>
                                            <a href="/en/cs66" class="mega-menu-item">
                                                <div class="mega-menu-item-icon">
                                                    <img src="/en/images/home/img_cs66.png" style="height: 6.5rem;width: auto">
                                                </div>
                                                <span class="mega-menu-item-name">CS66</span>
                                            </a>
<!--                                            <a th:href="@{/cs80}" class="mega-menu-item">-->
<!--                                                <div class="mega-menu-item-icon">-->
<!--                                                    <img th:src="@{/images/home/img_cs80.png}">-->
<!--                                                </div>-->
<!--                                                <span class="mega-menu-item-name">CS80</span>-->
<!--                                            </a>-->
<!--                                            <a th:href="@{/cs80a}" class="mega-menu-item">-->
<!--                                                <div class="mega-menu-item-icon">-->
<!--                                                    <img th:src="@{/images/home/img_cs80a.png}" style="height: 6.5rem;width: auto">-->
<!--                                                </div>-->
<!--                                                <span class="mega-menu-item-name">CS80A</span>-->
<!--                                            </a>-->
<!--                                            <a th:href="@{/cs80u}" class="mega-menu-item" >-->
<!--                                                <div class="mega-menu-item-icon">-->
<!--                                                    <img th:src="@{/images/home/img_cs80u.png}" style="height: 6.5rem;width: auto">-->
<!--                                                </div>-->
<!--                                                <span class="mega-menu-item-name">CS80U</span>-->
<!--                                            </a>-->
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </li>
                        <li class="nav-item"><a class="nav-link" href="/en/tms">TMS</a></li>
                        <li class="nav-item"><a class="nav-link" href="/en/about">About us</a></li>
                        <li class="nav-item"><a class="nav-link" href="/en/contact">Contact</a></li>
                        <!-- 语言切换 -->
                        <li class="nav-item lang-switch-dropdown">
                            <a class="nav-link lang-switch-toggle" href="javascript:void(0)">
                                <img src="/en/picture/icon-globe-white.svg" class="lang-globe-icon lang-globe-default" alt="language">
                                <img src="/en/picture/icon-globe-black.svg" class="lang-globe-icon lang-globe-scrolled" alt="language">
                                <span class="lang-current-text">EN</span>
                            </a>
                            <ul class="lang-switch-menu">
                                <li><a class="lang-option active" href="javascript:void(0)" data-lang="en">English</a></li>
                                <li><a class="lang-option" href="javascript:void(0)" data-lang="zh">中文</a></li>
                            </ul>
                        </li>
                    </ul>
                </div>
            </div>
        </nav>
    </div>
</header><header class="mobile-header mobile-mode">
    <div class="mobile-header-content">
        <!-- 汉堡菜单按钮 -->
        <button class="mobile-menu-toggle" id="mobileMenuToggle" type="button">
            <img src="/en/picture/btn_menu_white.png" class="menu-icon-default" alt="menu">
            <img src="/en/picture/btn_menu_blue.png" class="menu-icon-scrolled" alt="menu">
        </button>
        <!-- logo -->
        <a class="mobile-logo" href="/en/index">
            <img src="/en/picture/logo.png" class="logo-default" alt="logo">
            <img src="/en/picture/logo-white.png" class="logo-scrolled" alt="logo">
        </a>
    </div>
</header>
</div>
<div class="mobile-mode">
  
    <!-- 语言切换URL配置（从后端注入） -->
    <script>
        window.LANG_URL_EN = null;
        window.LANG_URL_ZH = null;
    </script>
    <header class="mobile-header mobile-mode">
    <div class="mobile-header-content">
        <!-- 汉堡菜单按钮 -->
        <button class="mobile-menu-toggle" id="mobileMenuToggle" type="button">
            <img src="/en/picture/btn_menu_white.png" class="menu-icon-default" alt="menu">
            <img src="/en/picture/btn_menu_blue.png" class="menu-icon-scrolled" alt="menu">
        </button>
        <!-- logo -->
        <a class="mobile-logo" href="/en/index">
            <img src="/en/picture/logo.png" class="logo-default" alt="logo">
            <img src="/en/picture/logo-white.png" class="logo-scrolled" alt="logo">
        </a>
    </div>
</header>
    <!-- 移动端菜单抽屉 - 必须在header外部，避免被fixed定位裁剪 -->
    <div class="mobile-menu-drawer" id="mobileMenuDrawer">
        <div class="mobile-drawer-header">
            <button class="mobile-menu-close" id="mobileMenuClose" type="button">
                <img src="/en/picture/btn_menu_close.png" alt="close">
            </button>
            <div class="mobile-drawer-logo-center">
                <img src="/en/picture/logo-white.png" class="logo-scrolled" alt="logo">
            </div>
        </div>
        <div class="mobile-drawer-divider"></div>
        <!-- 菜单项列表 -->
        <nav class="mobile-drawer-nav">
            <a class="mobile-nav-item" href="/en/index">
                <span class="mobile-nav-text">Home</span>
            </a>
            <a class="mobile-nav-item" href="/en/products">
                <span class="mobile-nav-text">Products</span>
            </a>
            <a class="mobile-nav-item" href="/en/tms">
                <span class="mobile-nav-text">TMS</span>
            </a>
            <a class="mobile-nav-item" href="/en/about">
                <span class="mobile-nav-text">About Us</span>
            </a>
            <a class="mobile-nav-item" href="/en/contact">
                <span class="mobile-nav-text">Contact</span>
            </a>
            <!-- 语言切换 -->
            <div class="mobile-lang-switch">
                <div class="mobile-lang-options">
                    <img src="/en/picture/icon-globe-black.svg" class="mobile-lang-switch-icon" alt="language">
                    <a class="mobile-lang-option active" href="javascript:void(0)" data-lang="en">EN</a>
                    <span class="mobile-lang-divider">/</span>
                    <a class="mobile-lang-option" href="javascript:void(0)" data-lang="zh">中文</a>
                </div>
            </div>
        </nav>
    </div>
    <!-- 遮罩层 -->
    <div class="mobile-menu-overlay" id="mobileMenuOverlay"></div>

</div>

<div class="error-page">
  <div class="error-box">
    <div class="error-code">404</div>
    <div class="error-title">Page Not Found</div>
    <div class="error-desc">
      The page you are looking for does not exist or has been moved.
    </div>
    <a href="/en/" class="error-btn">Back to Home</a>
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