:root {
            --primary-purple: #6c2eb9;
            --primary-orange: #ff7a00;
            --light-bg: #f8f9fa;
        }

        body {
            font-family: "Microsoft YaHei", sans-serif;
            color: #333;
        }

        /* Navbar */
        .navbar {
            background-color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            padding: 0.75rem 0;
        }
        .navbar-brand {
            color: var(--primary-orange);
            font-weight: bold;
            font-size: 1.3rem;
        }
        .nav-link {
            color: #333;
            font-size: 0.9rem;
            margin: 0 0.5rem;
        }
        .nav-link:hover {
            color: var(--primary-purple);
        }
        .btn-orange {
            background-color: var(--primary-orange);
            color: white;
            border-radius: 20px;
            padding: 0.375rem 1rem;
            font-size: 0.9rem;
        }
        .btn-orange:hover {
            background-color: #e06c00;
            color: white;
        }

        /* 下拉菜单样式优化 */
        .dropdown-menu {
            border: none;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            border-radius: 8px;
            padding: 0.5rem 0;
        }
        .dropdown-item {
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
        }
        .dropdown-item:hover {
            background-color: var(--primary-purple);
            color: white;
        }

        /* Hero Section - Banner大图 + 浮动文字 */
        .hero {
            background:#6633FF;
            background-size: cover; /* 让图片铺满整个Banner */
            color: white;
            padding: 10rem 0; /* 调整Banner高度 */
            position: relative;
            overflow: hidden;
            min-height: 60vh; /* 保证最小高度 */
            display: flex;
            align-items: center; /* 内容垂直居中 */
        }

        /* 半透明遮罩，提升文字可读性 */
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(108, 46, 185, 0.8); /* 紫色半透明遮罩 */
            z-index: 1;
        }

        

        /* Banner内容容器（层级高于遮罩） */
        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }

        /* 浮动文字核心样式 */
        .float-text {
            font-size: 2rem;
            font-weight: bold;
            line-height: 1.5;
            margin-bottom: 1rem;
            /* 浮动动画 */
            animation: floatAnimation 3s ease-in-out infinite;
            display: inline-block;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3); /* 文字阴影增强可读性 */
            max-width: 90%; /* 防止文字溢出 */
        }

        /* 浮动动画关键帧 */
        @keyframes floatAnimation {
            0% { transform: translateY(0px); opacity: 1; }
            50% { transform: translateY(-15px); opacity: 0.95; }
            100% { transform: translateY(0px); opacity: 1; }
        }

        /* Banner按钮样式 */
        .hero-btn {
            background-color: #ff7a00;
            color: white;
            border-radius: 25px;
            padding: 0.8rem 3rem;
            font-size: 1.1rem;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 122, 0, 0.3);
        }

        .hero-btn:hover {
            background-color: #e06c00;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
        }

        /* Stats Section */
        .stats {
            padding: 3rem 0;
            background-color: #f8f9fa;
        }
        .stat-item {
            text-align: center;
            padding: 1rem;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-orange);
            /* 确保数字居中对齐 */
            display: inline-block;
            min-width: 80px;
        }
        /* 数字动画过渡效果 */
        .count-animate {
            transition: all 0.1s ease;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #666;
        }

        /* Feature Section */
        .features {
            padding: 4rem 0;
        }
        .feature-item {
            text-align: center;
            padding: 1.5rem;
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--primary-purple);
            margin-bottom: 1rem;
        }
        .feature-title {
            font-size: 0.95rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }
        .feature-desc {
            font-size: 0.8rem;
            color: #666;
            line-height: 1.5;
        }

        /* Pricing Section */
        .pricing {
            padding: 4rem 0;
            background-color: #f8f9fa;
        }
        .pricing-card {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            margin-bottom: 2rem;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .pricing-price {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-orange);
            margin-bottom: 1rem;
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0;
            font-size: 0.85rem;
            color: #666;
            line-height: 1.8;
        }
        .btn-pricing-orange {
            background-color: var(--primary-orange);
            color: white;
            border-radius: 20px;
            padding: 0.5rem 1.5rem;
            font-size: 0.9rem;
            border: none;
        }
        .btn-pricing-purple {
            background-color: var(--primary-purple);
            color: white;
            border-radius: 20px;
            padding: 0.5rem 1.5rem;
            font-size: 0.9rem;
            border: none;
        }

        /* Articles Section */
        .articles {
            padding: 4rem 0;
        }
        .article-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .article-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        .article-body {
            padding: 1.5rem;
        }
        .article-title {
            font-size: 1rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }
        .article-desc {
            font-size: 0.85rem;
            color: #666;
        }

        /* Contact Section */
        .contact {
            padding: 4rem 0;
            background-color: #f8f9fa;
        }
        .contact-form .form-control {

            border-radius: 5px;
            margin-bottom: 1rem;
            padding: 0.75rem;
            border: 1px solid #ddd;
        }
        .btn-submit {
            background-color: var(--primary-orange);
            color: white;
            border-radius: 20px;
            padding: 0.5rem 1.5rem;
            border: none;
        }

        /* Footer */
        .footer {
            padding: 3rem 0 1rem;
            background-color: white;
            border-top: 1px solid #eee;
        }
        .footer-logo {
            color: var(--primary-orange);
            font-weight: bold;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .footer-text {
            font-size: 0.85rem;
            color: #666;
            line-height: 1.6;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            font-size: 0.85rem;
            color: #666;
            line-height: 1.8;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #eee;
            font-size: 0.8rem;
            color: #999;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .hero {
                padding: 8rem 0;
            }
            .float-text {
                font-size: 1.5rem;
            }
        }