* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background: linear-gradient(135deg, #1c2129 0%, #1c2129 100%);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 2rem;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        
        .cta-button {
            text-decoration: none; 
            background-color: #e98787;
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        
        .cta-button:hover {
            background-color: #e65100;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.3);
        }
        

        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        
        .hero p {
            font-size: 1.5rem;
            margin-bottom: 30px;
            text-shadow: 0 1px 3px rgba(0,0,0,0.5);
        }
        
        /* 产品特色部分 */
        .features {
            padding: 100px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            color: #e98787;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .feature-img {
            height: 250px;
            overflow: hidden;
        }
        
        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .feature-card:hover .feature-img img {
            transform: scale(1.1);
        }
        
        .feature-content {
            padding: 25px;
        }
        
        .feature-content h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #000000;
        }
        
        /* 使用步骤部分 */
        .steps {
            padding: 100px 0;
            background-color: #f0f7ff;
        }
        
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .step {
            text-align: center;
            flex: 1;
            min-width: 250px;
            max-width: 300px;
            padding: 30px 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: #e98787;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: bold;
            margin: 0 auto 20px;
        }
        
        .step h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: #000000;
        }
        
        /* 订购区域 */
        .pricing {
            padding: 100px 0;
            background: white;
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .pricing-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            position: relative;
            transition: all 0.3s ease;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
        }
        
        .pricing-card.popular {
            border: 3px solid #dbc0c0;
            transform: scale(1.05);
            z-index: 2;
        }
        
        .pricing-card.popular:hover {
            transform: scale(1.08);
        }
        
        .pricing-header {
            background: #515d71;
            color: white;
            padding: 30px 20px;
            text-align: center;
        }
        
        .popular .pricing-header {
            background: #ddd38d;
        }
        
        .pricing-header h3 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        
        .price {
            font-size: 3rem;
            font-weight: bold;
            margin: 15px 0;
        }
        
        .price span {
            font-size: 1.2rem;
            font-weight: normal;
        }
        
        .pricing-features {
            padding: 30px;
            background: white;
        }
        
        .pricing-features ul {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }
        
        .pricing-features li i {
            color: #4caf50;
            margin-right: 10px;
        }
        
        /* 页脚 */
        footer {
            background: #1c2129;
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .footer-col h4 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background: #e98787;
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col ul li {
            margin-bottom: 15px;
        }
        
        .footer-col ul li a {
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer-col ul li a:hover {
            color: #ff6f00;
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: #ff6f00;
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .features-grid,
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .features-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            
            .pricing-card.popular {
                transform: scale(1);
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }