/* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f8f8f8;
            color: #333;
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: #333;
        }
        
        .container {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 25px;
            background-color: #ff5000;
            color: white;
            border-radius: 4px;
            font-weight: bold;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        
        .btn:hover {
            background-color: #ff6a00;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255, 80, 0, 0.3);
        }
        
        .btn-secondary {
            background-color: #f0f0f0;
            color: #333;
        }
        
        .btn-secondary:hover {
            background-color: #e0e0e0;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .section {
            padding: 60px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            font-size: 32px;
            color: #333;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background-color: #ff5000;
            margin: 15px auto 0;
        }
        
        .section-subtitle {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 40px;
            color: #666;
            font-size: 18px;
        }
        
        /* 头部样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .logo h1 {
            font-size: 22px;
            color: #ff5000;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin-left: 25px;
        }
        
        .nav-menu a {
            font-weight: 500;
            padding: 5px 0;
            position: relative;
            font-size: 16px;
        }
        
        .nav-menu a:hover {
            color: #ff5000;
        }
        
        .nav-menu a.active {
            color: #ff5000;
        }
        
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #ff5000;
        }
        
        /* 横幅区域 */
        .hero {
            background: linear-gradient(135deg, #ff5000 0%, #ff8c00 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        
        .hero h2 {
            font-size: 42px;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .hero-buttons .btn {
            padding: 12px 30px;
            font-size: 16px;
        }
        
        .hero-buttons .btn-secondary {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
        }
        
        .hero-buttons .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.3);
        }
        
        /* 领券好处 */
        .benefits {
            background-color: white;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .benefit-card {
            text-align: center;
            padding: 30px 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .benefit-card:hover {
            transform: translateY(-5px);
        }
        
        .benefit-icon {
            width: 80px;
            height: 80px;
            background-color: #fff2e8;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 32px;
            color: #ff5000;
        }
        
        .benefit-card h3 {
            margin-bottom: 15px;
            font-size: 20px;
        }
        
        .benefit-card p {
            color: #666;
        }
        
        /* 领券步骤 */
        .steps {
            background-color: #f8f8f8;
        }
        
        .steps-container {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }
        
        .steps-container::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #e0e0e0;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            padding: 0 15px;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background-color: #ff5000;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: bold;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(255, 80, 0, 0.3);
        }
        
        .step h3 {
            margin-bottom: 15px;
            font-size: 20px;
        }
        
        .step p {
            color: #666;
        }
        
        /* 领券平台 */
        .platforms {
            background-color: white;
        }
        
        .platforms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .platform-card {
            background-color: #f8f8f8;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .platform-image {
            height: 180px;
            background-color: #e0e0e0;
        }
        
        .platform-content {
            padding: 25px;
        }
        
        .platform-content h3 {
            margin-bottom: 15px;
            font-size: 20px;
        }
        
        .platform-content p {
            color: #666;
            margin-bottom: 20px;
        }
        
        /* 常见问题 */
        .faq {
            background-color: #f8f8f8;
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            background-color: white;
            border-radius: 8px;
            margin-bottom: 15px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 18px;
        }
        
        .faq-answer {
            padding: 0 20px 20px;
            color: #666;
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-toggle {
            font-size: 20px;
            color: #ff5000;
        }
        
        /* 底部样式 */
        footer {
            background-color: #2c2c2c;
            color: #aaa;
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #aaa;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #ff5000;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
            }
            
            .nav-menu {
                margin-top: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .nav-menu li {
                margin: 0 10px 10px;
            }
            
            .hero h2 {
                font-size: 32px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .steps-container {
                flex-direction: column;
            }
            
            .steps-container::before {
                display: none;
            }
            
            .step {
                margin-bottom: 30px;
            }
        }