.navbar {
            backdrop-filter: blur(0px);
            padding: 0 2rem;
			z-index:9999;
			
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 32px;
        }


        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1rem;
        }

        .nav-item {
            position: relative;
			width:89px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: #fff;
            transition: all 0.3s ease;
			font-size:14px
			
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(58, 19, 100, 0);
        }

        .dropdown-toggle {
            cursor: pointer;
        }

        .dropdown-toggle::after {
            content: 'v';
            font-size: 14px;
            margin-left: 0.25rem;
            transition: transform 0.3s ease;
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            min-width: 120px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .dropdown-item {
            display: block;
            padding: 0.75rem 1.25rem;
            text-decoration: none;
            color: #374151;
            border-bottom: 1px solid #f3f4f6;
            transition: all 0.2s ease;
        }

        .dropdown-item:last-child {
            border-bottom: none;
        }

        .dropdown-item:hover {
            background: #7eab1b;
            color: white;
		
        }

        /* 核心：纯CSS下拉效果 */
        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-item:hover .dropdown-toggle::after {
            transform: rotate(180deg);
        }

        /* 二级下拉菜单 */
        .dropdown-item.has-submenu {
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .dropdown-item.has-submenu::after {
            content: '▶';
            font-size: 0.7rem;
            color: #9ca3af;
        }

        .dropdown-menu.level-2 {
            top: 0;
            left: 100%;
            margin-left: 4px;
        }

        .dropdown-item:hover .dropdown-menu.level-2 {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* 移动端响应式设计 */
        @media (max-width: 768px) {
            .nav-menu {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 1rem 0;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: all 0.3s ease;
            }

            .nav-container:focus-within .nav-menu,
            .nav-container:hover .nav-menu {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .dropdown-menu {
                position: static;
                box-shadow: none;
                background: #f9fafb;
                opacity: 1;
                visibility: visible;
                transform: none;
                display: none;
            }

            .nav-item:focus-within .dropdown-menu,
            .nav-item:hover .dropdown-menu {
                display: block;
            }
        }

        /* 演示内容样式 */
        .demo-content {
            margin-top: 3rem;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .feature-card {
            padding: 1.5rem;
            background: #f8fafc;
            border-radius: 8px;
            border-left: 4px solid #3b82f6;
        }

        .feature-card h3 {
            color: #1f2937;
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            color: #6b7280;
            line-height: 1.5;
        }