/* CSS Reset */
        body, h1, h2, h3, h4, p, ul, li, a, div, section, header, footer, nav, form, label, input, button {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
            /* color: #333; */
        }
        a { text-decoration: none; color: #333; }
        a:hover { color: #0056b3; }
        ul { list-style: none; }
        body { background-color: #f4f7f9; }

        /* General Layout */
        .container {
            width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
        }

        /* Header */
        .top-bar {
            background-color: #f8f9fa;
            padding: 5px 0;
            font-size: 12px;
            color: #666;
            border-bottom: 1px solid #e7e7e7;
        }
        .top-bar .container {
            padding: 5px 0;
            display: flex;
            justify-content: space-between;
        }
        .main-header {
            background-color: #fff;
            border-bottom: 3px solid #0056b3;
            height: 120px;;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
        }
        .logo {
            display: flex;
            align-items: center;
        }
        .logo-icon {
            width: 100px;
            height: 100px;
            background-color: #0056b3;
            border-radius: 50%;
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            color: #fff;
        }
      
        .logo-text h1 { font-size: 24px; color: #0056b3; }
        .logo-text p { font-size: 12px; color: #999; }
        
        .header-right { display: flex; align-items: center; }
        .search-box { display: flex; margin-right: 20px; }
        .search-box input { border: 1px solid #ccc; padding: 8px; font-size: 14px; }
        .search-box button { background-color: #0056b3; color: white; border: none; padding: 8px 15px; cursor: pointer; }
        .contact-phone { font-size: 20px; color: #0056b3; font-weight: bold; }

        /* Navigation */
        .navbar { background-color: #0056b3; }
        .navbar .container { padding: 0; }
        .nav-menu { display: flex;height: 80px;; }
        .nav-menu li a {
            display: block;
            padding: 25px 60px;
            color: white;
            font-size: 18px;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .nav-menu li a:hover, .nav-menu li.active a { background-color: #004494; }

        /* Hero Slider */
        .hero-slider {
            width: 1200px;
            height: 400px;
            margin: 20px auto;
            background-image: url('https://placehold.co/1200x400/0056b3/FFFFFF?text=寻找顶尖机械工程师\n打造卓越团队&font=source-sans-pro');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-slider .caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 15px;
            background-color: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 18px;
        }

        /* Main Content Grid */
        .main-content {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .content-section {
            background-color: #fff;
            padding: 20px;
            border: 1px solid #e7e7e7;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid #0056b3;
            padding-bottom: 10px;
            margin-bottom: 15px;
        }
        .section-header h2 { font-size: 18px; color: #0056b3; padding-left: 10px; border-left: 4px solid #0056b3; }
        .section-header .more-link { font-size: 14px; color: #666; }
        
        .top-row-wrapper {
            grid-column: 1 / 3;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        
        /* === MODIFIED: About Us now a standard section === */
        .about-us-section {
            flex: 2;
        }
        /* New content wrapper for flex layout */
        .about-us-content {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .about-us-content img { width: 283px; height: auto; flex-shrink: 0;}
        .about-us-content p { font-size: 14px; line-height: 1.8; color: #555; }

        .certificate-query-section {
            flex: 1;
        }
        .query-form .form-group { margin-bottom: 15px; }
        .query-form label { display: block; margin-bottom: 5px; font-weight: bold; font-size: 14px; }
        .query-form input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; }
        .query-form button { width: 100%; padding: 12px; background-color: #0056b3; color: white; border: none; border-radius: 4px; font-size: 16px; cursor: pointer; transition: background-color 0.3s; margin-top: 5px; }
        .query-form button:hover { background-color: #004494; }

        .list-section ul li { padding: 8px 0; border-bottom: 1px dashed #eee; display: flex; justify-content: space-between; font-size: 15px; }
        .list-section ul li a { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 85%;}
        .list-section ul li .date { font-size: 14px; color: #999; }

        .profile-section { grid-column: 1 / 3; }
        .profile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .profile-card { text-align: center; }
        .profile-card img { width: 100%; height: auto; margin-bottom: 10px; border: 1px solid #eee;}
        .profile-card h3 { font-size: 16px; margin-bottom: 5px; }
        .profile-card p { font-size: 13px; color: #666; line-height: 1.5; }

        .video-section { grid-column: 1 / 3; }
        .video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .video-item { position: relative; }
        .video-item img { width: 100%; display: block; }
        .video-item .play-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 50px; height: 50px; background-color: rgba(0, 0, 0, 0.6); border-radius: 50%; color: white; font-size: 24px; display: flex; align-items: center; justify-content: center; }
        .video-item p { text-align: center; padding: 8px 0; background: #f8f9fa;}
        
        .service-platform-section { grid-column: 1 / 3; }
        .platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .platform-item {
            border: 1px solid #e7e7e7;
            text-align: center;
            padding-bottom: 20px;
            overflow: hidden; 
            transition: all 0.4s ease;
        }
        .platform-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            border-color: #0056b3;
        }
        .platform-image-wrapper { width: 100%; height: 150px; overflow: hidden; }
        .platform-item img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.4s ease;
        }
        .platform-item:hover img { transform: scale(1.1); }
        .platform-item h3 { font-size: 18px; margin: 20px 0 10px; transition: color 0.4s ease; }
        .platform-item:hover h3 { color: #0056b3; }
        .platform-item p { font-size: 14px; color: #777; padding: 0 15px; }

        /* Footer */
     /* 清除 ul 默认的边距和列表符号 */
.footer-links ul {
    padding-left: 0;
    margin: 0;
    list-style: none; /* 移除项目符号 */
    display: inline-block; /* 让 ul 和 span 在同一行 */
    vertical-align: middle; /* 垂直居中对齐 */
}

/* 让 li 元素横向排列 */
.footer-links li {
    display: inline-block; /* 将列表项变为行内块元素 */
    margin-left: 15px; /* 添加一些左边距，让链接之间有空隙 */
}

/* 友情链接文字样式 */
.footer-links span {
    vertical-align: middle; /* 垂直居中对齐 */
}

/* 链接样式，可以根据需要自行修改 */
.footer-links a {
    text-decoration: none; /* 去掉下划线 */
    color: #333; /* 链接文字颜色 */
}

.footer-links a:hover {
    color: #007bff; /* 鼠标悬停时链接颜色 */
}
        .main-footer { background-color: #0056b3; color: #fff; padding: 30px 0; }
        .main-footer .container { display: flex; flex-direction: column; align-items: center; text-align: center; }
        .footer-nav { margin-bottom: 15px; }
        .footer-nav a { color: #fff; margin: 0 10px; font-size: 14px; }
        .footer-contact { font-size: 13px; line-height: 1.8; margin-bottom: 15px; color: #fff; }
        .footer-socials { display: flex; gap: 20px; margin-bottom: 20px; }
        .social-icon { width: 40px; height: 40px; border-radius: 50%; background-color: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 20px; color: #fff;}
        .footer-copyright { font-size: 12px; color: #fff; }