:root {
            --primary: #1a56db;
            --secondary: #0f2a5c;
            --accent: #00c9ff;
            --light: #f8fafc;
            --dark: #1e293b;
            --success: #10b981;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
a,a:visited{color:#08c;text-decoration:none}
a:focus,a:hover{color:#005580;text-decoration:none}     
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-weight: bold;
            font-size: 24px;
            color: var(--primary);
        }
        
        .logo span {
            color: var(--secondary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }
        
        .cta-button,.cta-button:visited {
            background-color: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        
        .cta-button:hover {
            background-color: var(--secondary);
        }
        
        /* 页面切换效果 */
        .page-section {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            min-height: 100vh;
            padding: 80px 0;
        }
        
        .page-section.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 英雄区域 */
        .hero {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            color: white;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            animation: fadeInUp 1s ease-out;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            animation: fadeInUp 1s ease-out 0.2s both;
        }
        
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            animation: fadeInUp 1s ease-out 0.4s both;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .btn {
            padding: 12px 30px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            display: inline-block;
        }
        
        .btn-primary {
            background-color: var(--accent);
            color: var(--secondary);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        
        .btn-primary:hover {
            background-color: white;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .btn-secondary:hover {
            background-color: white;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        /* 功能部分 */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }
        
        .page-section.active .section-title {
            opacity: 1;
            transform: translateY(0);
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--secondary);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #64748b;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .page-section.active .feature-card {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .page-section.active .feature-card:nth-child(1) { animation-delay: 0.1s; }
        .page-section.active .feature-card:nth-child(2) { animation-delay: 0.2s; }
        .page-section.active .feature-card:nth-child(3) { animation-delay: 0.3s; }
        .page-section.active .feature-card:nth-child(4) { animation-delay: 0.4s; }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            background-color: rgba(26, 86, 219, 0.1);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        .feature-icon i {
            font-size: 24px;
            color: var(--primary);
        }
        
        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--secondary);
        }
        
        /* 产品流程 */
        .process {
            background-color: var(--light);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }
        
        .process-steps::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #e2e8f0;
            z-index: 1;
        }
        
        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 2;
            width: 25%;
            opacity: 0;
            transform: translateY(30px);
        }
       .step p{
            display: flex;
            flex-direction: column;
            border:1px #cc0 solid;
			width:90%;
			height:100px;
			padding:10px;
            background-color: #ffffcc;
            border-radius: 5px;
        
        }  
        .page-section.active .step {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .page-section.active .step:nth-child(1) { animation-delay: 0.1s; }
        .page-section.active .step:nth-child(2) { animation-delay: 0.2s; }
        .page-section.active .step:nth-child(3) { animation-delay: 0.3s; }
        .page-section.active .step:nth-child(4) { animation-delay: 0.4s; }
        
        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 20px;
            transition: transform 0.3s;
        }
        
        .step:hover .step-number {
            transform: scale(1.1);
        }
        
        .step h3 {
            margin-bottom: 10px;
            color: var(--secondary);
        }
        
        /* 应用场景 */
        .scenarios {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .scenario-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .page-section.active .scenario-card {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .page-section.active .scenario-card:nth-child(1) { animation-delay: 0.1s; }
        .page-section.active .scenario-card:nth-child(2) { animation-delay: 0.2s; }
        .page-section.active .scenario-card:nth-child(3) { animation-delay: 0.3s; }
        .page-section.active .scenario-card:nth-child(4) { animation-delay: 0.4s; }
        .page-section.active .scenario-card:nth-child(5) { animation-delay: 0.5s; }
        .page-section.active .scenario-card:nth-child(6) { animation-delay: 0.6s; }
        
        .scenario-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .scenario-img {
            height: 200px;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
        }
        
        .scenario-content {
            padding: 25px;
        }
        
        .scenario-content h3 {
            margin-bottom: 15px;
            color: var(--secondary);
        }
        
        /* 商业模式 */
        .business-model {
            background-color: var(--light);
        }
        
        .model-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .model-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .page-section.active .model-card {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        .page-section.active .model-card:nth-child(1) { animation-delay: 0.1s; }
        .page-section.active .model-card:nth-child(2) { animation-delay: 0.2s; }
        .page-section.active .model-card:nth-child(3) { animation-delay: 0.3s; }
        
        .model-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .model-card h3 {
            color: var(--secondary);
            margin-bottom: 15px;
        }
        
        .model-card .price {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary);
            margin: 20px 0;
        }
        
        /* 页脚 */
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
        }
        
        /* 滚动指示器 */
        .scroll-indicator {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(26, 86, 219, 0.8);
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 14px;
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 1000;
        }
        
        .scroll-indicator.show {
            opacity: 1;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            
            .process-steps::before {
                display: none;
            }
            
            .step {
                width: 100%;
                margin-bottom: 30px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
        }