@charset "gb2312";
 /* ================= 全局基础重置 ================= */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: #F4F5F7;
            color: #333333;
            /* 防止内容被固定导航栏遮挡 */
            padding-top: 80px;
        }

        /* 1280px 内容限制容器 */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ================= 导航栏 ================= */
       .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px; /* 电脑端固定高度 80px */
            background-color: #FFFFFF;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05); /* 底部悬浮阴影 */
            z-index: 9999; /* 保证始终在最顶层 */
            display: flex;
            justify-content: center;
            border-bottom: 1px solid #E5E7EB;
        }

        /* 内容限制容器 (电脑端宽度1280px) */
        .nav-container {
            width: 100%;
            max-width: 1280px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        /* Logo 区域 */
        .logo-area {
            display: flex;
            flex-direction: column;
            text-decoration: none;
        }

        .logo-cn {
            font-size: 22px;
            font-weight: 800;
            color: #2C2C2C;
            letter-spacing: 1px;
        }

        .logo-en {
            font-size: 11px;
            font-weight: bold;
            color: #F17625; /* 图片橙色调 */
            letter-spacing: 0.5px;
            margin-top: 2px;
            text-transform: uppercase;
        }

        /* 导航链接区域 */
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            height: 100%;
        }

        .nav-menu li {
            height: 100%;
            display: flex;
            align-items: center;
        }

        .nav-menu li a {
            text-decoration: none;
            font-size: 15px;
            color: #333333;
            padding: 0 16px;
            height: 100%;
            display: flex;
            align-items: center;
            transition: color 0.3s;
            font-weight: 500;
        }

        .nav-menu li a:hover {
            color: #F17625;
        }

        /* 首页特殊样式 (淡橙色背景) */
        .nav-menu li a.active {
            background-color: #FDF0E8;
            color: #F17625;
            border-radius: 4px;
            height: 40px;
            padding: 0 20px;
            margin: 0 10px;
        }

        /* 右侧联系与按钮区域 */
        .nav-right {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .nav-phone {
            display: flex;
            align-items: center;
            font-size: 15px;
            color: #333333;
            font-weight: 500;
            text-decoration: none;
        }

        .nav-phone svg {
            width: 18px;
            height: 18px;
            margin-right: 6px;
            fill: #333333;
        }

        .btn-consult {
            background-color: #F17625;
            color: #FFFFFF;
            text-decoration: none;
            font-size: 14px;
            font-weight: bold;
            padding: 10px 20px;
            border-radius: 6px;
            transition: background-color 0.3s, transform 0.2s;
            white-space: nowrap;
        }

        .btn-consult:hover {
            background-color: #E0681A;
            transform: translateY(-1px);
        }
		        /* ================= 移动端菜单按钮 (汉堡图标) ================= */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .menu-toggle svg {
            width: 28px;
            height: 28px;
            fill: #333333;
        }

        /* ================= 页面主体内容 ================= */
        
        /* 顶部横幅 */
        .hero {
            background-color: #2C3A4A;
            color: #FFFFFF;
            padding: 60px 0;
            margin-bottom: 40px;
        }
		.hero h1 {
            font-size: 36px;
            font-weight: bold;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }
        .hero p {
            font-size: 16px;
            color: #A0AAB5;
            line-height: 1.6;
        }

        /* 信息卡片区 */
        .info-cards {
            margin-bottom: 40px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card {
            background: #FFFFFF;
            border-radius: 10px;
            padding: 40px 24px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            transition: transform 0.3s;
        }
        .card:hover {
            transform: translateY(-5px);
        }
        .card-icon-box {
            width: 64px;
            height: 64px;
            background: #2C3A4A;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        .card-icon-box svg {
            width: 32px;
            height: 32px;
            fill: #F17625;
        }
        .card h3 {
            font-size: 18px;
            color: #333333;
            margin-bottom: 12px;
            font-weight: bold;
        }
        .card p {
            font-size: 14px;
            color: #666666;
            line-height: 1.6;
        }

        /* 服务承诺区 */
        .service-promise-box {
            background-color: #2C3A4A;
            border-radius: 12px;
            padding: 60px 50px;
            color: #FFFFFF;
            margin-bottom: 60px;
        }
        .service-promise-box h2 {
            text-align: center;
            font-size: 28px;
            margin-bottom: 50px;
            font-weight: bold;
        }
        .promise-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .promise-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .promise-icon {
            width: 48px;
            height: 48px;
            background: rgba(241, 118, 37, 0.15);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .promise-icon svg {
            width: 24px;
            height: 24px;
            fill: #F17625;
        }
        .promise-text h4 {
            font-size: 18px;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .promise-text p {
            font-size: 14px;
            color: #A0AAB5;
            line-height: 1.6;
        }
        
        /* 底部 CTA */
        .cta-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 40px;
        }
        .cta-bottom p {
            font-size: 14px;
            color: #A0AAB5;
            margin-bottom: 20px;
        }
        .btn-large {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background-color: #F17625;
            color: #FFFFFF;
            text-decoration: none;
            font-size: 20px;
            font-weight: bold;
            padding: 16px 48px;
            border-radius: 8px;
            transition: background-color 0.3s;
        }
        .btn-large svg {
            width: 24px;
            height: 24px;
            fill: #FFFFFF;
        }
        .btn-large:hover {
            background-color: #E0681A;
        }

        /* ================= 响应式设计 ================= */
		/* 平板及以下 (<= 1024px) */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-menu, .nav-right {
                display: none; /* 默认隐藏，由 JS 控制显示 */
            }
            .menu-toggle {
                display: block;
            }
            
            /* 移动端下拉菜单容器 (关键修复点) */
            .nav-menu {
                position: absolute;
                top: 80px; /* 导航栏高度 */
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 15px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                /* 修复高度溢出问题 */
                height: auto; 
                box-sizing: border-box;
            }
            .nav-menu li {
                width: 100%;
                justify-content: center;
                height: auto;
            }
            .nav-menu li a {
                width: 100%;
                justify-content: center;
                padding: 15px 0;
                height: auto;
            }
            .nav-menu li a.active {
                width: 90%;
                margin: 0 auto;
                height: auto;
                padding: 15px 0;
            }
            
            /* 移动端右侧下拉区域 */
            .nav-right {
                position: absolute;
                top: 0; /* 由 JS 动态计算赋值 */
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 20px 20px 30px;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                border-top: 1px solid #E5E7EB;
                margin-top: 0;
            }
            
            .nav-menu.active, .nav-right.active {
                display: flex;
            }
            
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 28px;
            }
            .promise-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .service-promise-box {
                padding: 40px 24px;
            }
        }

        /* 手机端 (<= 768px) */
        @media (max-width: 768px) {
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .card {
                padding: 30px 20px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero p {
                font-size: 14px;
            }
            .btn-large {
                font-size: 18px;
                padding: 14px 30px;
                width: 100%;
            }
            .logo-cn {
                font-size: 18px;
            }
            .logo-en {
                font-size: 9px;
            }
        }

 /* 按钮组容器 */
        .button-group {
            display: flex;
            justify-content: center;
            gap: 20px; /* 按钮之间的间距 */
            flex-wrap: wrap;
        }

        /* 基础按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px; /* 图标与文字的间距 */
            padding: 16px 32px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 8px; /* 圆角 */
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            letter-spacing: 1px;
        }

        /* 橙色的预约按钮 */
        .btn-primary {
	background-color: #e87a24; /* 匹配原图的橙色 */
	color: #ffffff;
	border: none;
	/* 添加底部投影，模拟原图按钮发光/浮起的效果 */
            box-shadow: 0 6px 16px rgba(232, 122, 36, 0.4);
	margin-right: 15px;
        }

        .btn-primary:hover {
            background-color: #d16a18;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 122, 36, 0.6);
        }

        /* 右侧的电话按钮 */
        .btn-secondary {
            background-color: transparent;
            color: #ffffff;
            border: 1px solid #5a6678; /* 边框颜色 */
        }

        .btn-secondary:hover {
            border-color: #8a96a8;
            background-color: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }

 /* 页脚开始 */
.yejiao {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: #F4F5F7; /* 为了突出页脚，外层给一个浅色背景 */
        }

        /* 页脚主容器 */
        .footer {
            width: 100%;
            background-color: #2b3a4a; /* 还原图片背景色 */
            color: #FFFFFF;
            display: flex;
            justify-content: center;
            /* 电脑端高度固定 480px */
            height: 480px; 
        }

        /* 内容限制容器：电脑端宽度 1280px 居中，手机端 100% */
        .footer-container {
            width: 100%;
            max-width: 1280px;
            height: 100%;
            display: flex;
            flex-direction: column;
            padding: 0 20px;
        }

        /* 上半部分：四列内容区域 */
        .footer-top {
            display: flex;
            justify-content: space-between;
            flex: 1;
            padding-top: 60px;
            padding-bottom: 40px;
        }

        /* 列通用样式 */
        .footer-col {
            padding-right: 20px;
        }

        /* 列宽分配 */
        .col-brand { flex: 1.4; }
        .col-products { flex: 0.8; }
        .col-services { flex: 0.8; }
        .col-contact { flex: 1.2; padding-right: 0; }

        /* 标题样式 */
        .footer-title {
            font-size: 20px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .footer-subtitle {
            font-size: 14px;
            color: #F17625; /* 图片橙色 */
            font-weight: 600;
            margin-bottom: 24px;
        }

        /* 文本与段落样式 */
        .footer-text {
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        /* 列表样式 */
        .footer-list {
            list-style: none;
        }

        .footer-list li {
            font-size: 14px;
            color: #D1D5DB;
            margin-bottom: 14px;
            cursor: pointer;
            transition: color 0.3s;
        }

        .footer-list li:hover {
            color: #FFFFFF;
        }

        /* 带图标的列表 */
        .icon-list {
            list-style: none;
            margin-top: 20px;
        }

        .icon-list li {
            display: flex;
            align-items: flex-start;
            font-size: 14px;
            color: #D1D5DB;
            margin-bottom: 14px;
        }

        .icon-list li svg {
            width: 16px;
            height: 16px;
            margin-right: 10px;
            fill: #F17625; /* 图标橙色 */
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 联系方式模块特殊样式 */
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .contact-item svg {
            width: 18px;
            height: 18px;
            margin-right: 12px;
            fill: #F17625;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .contact-content {
            display: flex;
            flex-direction: column;
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.6;
        }

        .contact-label {
            font-size: 13px;
            color: #9CA3AF;
            margin-bottom: 2px;
        }

        .contact-value-phone {
            font-size: 20px;
            font-weight: bold;
            color: #FFFFFF;
        }

        /* 底部版权与链接区域 */
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 25px 0;
            border-top: 1px solid #3A424F; /* 细微分割线 */
        }

        .footer-copyright {
            font-size: 13px;
            color: #9CA3AF;
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            gap: 30px;
        }

        .footer-links a {
            font-size: 13px;
            color: #9CA3AF;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }