/* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: #1A1A1A; /* 整体深色背景 */
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.5;
        }

        /* 头部导航核心样式 */
        .header {
            background-color: #1A1A1A;
            height: 64px;
            padding: 0 40px;
            display: flex;
            align-items: center;
            gap: 90px;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            width: 100%;
        }

        /* 导航内容容器，限制最大宽度并居中 */
        .header .nav-wrapper {
            max-width: 1500px;
            margin: 0 auto;
            width: 100%;
            display: flex;
            align-items: center;
            gap: 90px;
        }

        /* 页面内容顶部内边距，避免被固定导航遮挡 */
        body {
            padding-top: 64px;
        }

        /* Logo区域 */
        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        /* Logo图片自适应样式 */
        .logo-link img {
            height: 50px;
            max-width: 250px;
            object-fit: contain;
            display: block;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background-color: #00C08B; /* 还原原图绿色圆形logo */
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 1px;
        }

        /* 导航菜单 - 紧邻Logo右侧（间距由header的gap控制） */
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-item {
            color: #ffffff;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .nav-item:hover {
            color: #00C08B; /* hover时绿色高亮 */
        }

        .nav-menu .nav-item.nav-active {
            color: #00C08B !important;
            font-weight: 700; /* 选中时字体加粗 */
            position: relative;
        }

        .nav-menu .nav-item.nav-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 2px;

            border-radius: 2px;
        }

        .nav-separator {
            color: #666666; /* 分隔符浅灰色 */
            font-size: 12px;
        }

        /* 联系信息 - 强制推到最右侧 */
        .contact-info {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #ffffff;
            margin-left: auto; /* 关键：自动外边距将联系信息推到最右侧 */
        }

        .phone-icon {
            width: 18px;
            height: 18px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z'/%3E%3C/svg%3E") no-repeat center/contain;
        }

        .phone-number {
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* 响应式适配（小屏幕隐藏导航，可扩展汉堡菜单） */
        @media (max-width: 768px) {
            .nav-menu {
                display: none; /* 小屏幕隐藏导航，如需汉堡菜单需额外JS */
            }

            .header {
                padding: 0 20px;
            }

            /* 小屏幕Logo自适应 */
            .logo-link img {
                height: 40px;
                max-width: 180px;
            }
        }
		
		/* Footer 容器：深色背景+内边距 */
        .footer {
            background-color: #1A1A1A;
            color: #aaa;
            padding: 40px 20px;
            max-width: 1500px;
            margin: 0 auto;
        }

        /* 顶部 Logo 区 */
        .footer-top {
            margin-bottom: 30px;
            display: flex;
            justify-content: flex-start;
        }

        /* Footer Logo 图片样式 */
        .footer-top img {
            height: 40px;
            max-width: 200px;
            object-fit: contain;
        }

        .logo {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
        }
        .logo span {
            color: #00C08B; /* DESIGN 绿色 */
        }

        /* 核心内容区：Flex 布局+自动换行 */
        .footer-main {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }

        /* 列通用样式：最小宽度+弹性伸缩 */
        .column {
            flex: 1;
            min-width: 150px;
        }

        /* 列标题：白色+加粗 */
        .column h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* 列表样式：无序列表+图标对齐 */
        .contact-list, .column-list {
            list-style: none;
        }
        .contact-list li, .column-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            font-size: 14px;
        }
        .column-list li a {
            color: #999;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .column-list li:hover,
        .column-list li a:hover {
            color: #fff;
        }

        /* 图标样式：绿色+固定大小 */
        .icon {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            fill: #00C08B; /* 图标绿色 */
        }

        /* 二维码列：居中布局 */
        .qr-column {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .qr-code {
            width: 120px;
            height: 120px;
            object-fit: contain;
        }
        .qr-text {
            font-size: 14px;
            color: #aaa;
            text-align: center;
        }

        /* 底部版权区：边框+Flex 布局 */
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #666;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .footer-main {
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            /* 小屏幕Logo自适应 */
            .footer-top img {
                height: 35px;
                max-width: 160px;
            }
        }
        @media (max-width: 480px) {
            .footer-main {
                flex-direction: column;
            }
            .qr-column {
                margin-top: 20px;
            }
            /* 超小屏幕Logo自适应 */
            .footer-top img {
                height: 30px;
                max-width: 140px;
            }
        }