/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", Arial, sans-serif;
        }
        
        /* 主体颜色定义 */
        :root {
            --primary-red: #e53935; /* 主红色 */
            --primary-red-dark: #d32f2f; /* 深红色 hover状态 */
            --primary-red-light: #ef5350; /* 浅红色 辅助色 */
            --text-dark: #333; /* 主要文字色 */
            --text-gray: #666; /* 次要文字色 */
            --text-light: #999; /* 说明文字色 */
            --bg-gray: #f5f5f5; /* 背景灰色 */
            --white: #fff; /* 白色 */
            --border-gray: #e0e0e0; /* 边框色 */
        }
        
        body {
            color: var(--text-dark);
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .btn {
            display: inline-flex; /* 修改为flex布局，方便图标和文字对齐 */
            align-items: center; /* 垂直居中 */
            justify-content: center; /* 水平居中 */
            padding: 10px 24px;
            background-color: var(--primary-red);
            color: var(--white);
            border-radius: 4px;
            font-size: 16px;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: background-color 0.3s ease;
            gap: 8px; /* 图标和文字之间的间距 */
        }
        
        .btn:hover {
            background-color: var(--primary-red-dark);
        }
        
        /* 按钮图标样式 */
        .btn-icon {
            font-size: 18px; /* 图标大小 */
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 32px;
            margin-bottom: 16px;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background-color: var(--primary-red);
        }
        
        .section-title p {
            font-size: 16px;
            color: var(--text-gray);
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 导航栏样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 999;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: bold;
            color: var(--primary-red);
        }
        
        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            font-size: 24px;
            color: var(--primary-red);
            cursor: pointer;
        }
        
        .nav-menu {
            display: flex;
        }
        
        .nav-menu li {
            margin-left: 30px;
        }
        
        .nav-menu a {
            font-size: 16px;
            font-weight: 500;
        }
        
        .nav-menu a:hover {
            color: var(--primary-red);
        }
        
        /* Banner区域样式 */
        .banner {
            margin-top: 80px;
            background: linear-gradient(135deg, #fdf2f8 0%, #fee2e2 100%);
            padding: 80px 0;
        }
        
        .banner-content {
            display: flex;
            align-items: center;
            justify-content: center; /* 居中显示，移除右侧截图区域 */
        }
        
        .banner-text {
            flex: 1;
            max-width: 800px; /* 增加最大宽度 */
            text-align: center; /* 文字居中 */
        }
        
        .banner-text h1 {
            font-size: 48px;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        
        .banner-text h1 span {
            color: var(--primary-red);
        }
        
        .banner-text p {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 30px;
            line-height: 1.8;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .banner-btns {
            display: flex;
            gap: 20px;
            justify-content: center;
        }
        
        /* 核心优势样式 */
        .features {
            padding: 100px 0;
            background-color: var(--white);
        }
        
        .features-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .feature-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        
        .feature-item:hover {
            transform: translateY(-10px);
        }
        
        .feature-icon {
            font-size: 40px;
            color: var(--primary-red);
            margin-bottom: 20px;
        }
        
        .feature-item h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }
        
        .feature-item p {
            color: var(--text-gray);
            font-size: 14px;
        }
        
        /* 赚钱方式样式 */
        .how-to-earn {
            padding: 100px 0;
            background-color: var(--bg-gray);
        }
        
        .earn-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        
        .earn-step {
            background-color: var(--white);
            padding: 40px 30px;
            border-radius: 8px;
            position: relative;
        }
        
        .earn-step::before {
            content: attr(data-step);
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background-color: var(--primary-red);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: bold;
        }
        
        /* APP截图样式 */
        .earn-step-img {
            width: 100%;
            height: 180px;
            border-radius: 10px; /* 圆角效果 */
            overflow: hidden;
            margin: 0 auto 20px; /* 居中并设置底部间距 */
        }
        
        .earn-step-img img {
            width: 100%;
            height: 100%;
            object-fit: cover; /* 保持图片比例 */
            transition: transform 0.3s ease;
        }
        
        .earn-step:hover .earn-step-img img {
            transform: scale(1.05); /* 悬停轻微放大效果 */
        }
        
        .earn-step h3 {
            font-size: 22px;
            margin-bottom: 20px;
            text-align: center;
            margin-top: 10px;
        }
        
        .earn-step p {
            color: var(--text-gray);
            line-height: 1.8;
        }
        
        /* 新增：任务类型板块 */
        .task-types {
            padding: 100px 0;
            background-color: var(--white);
        }
        
        .task-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        
        .task-card {
            background-color: var(--bg-gray);
            border-radius: 8px;
            padding: 25px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all 0.3s ease;
        }
        
        .task-card:hover {
            background-color: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transform: translateY(-5px);
        }
        
        .task-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(229, 57, 53, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .task-icon i {
            font-size: 24px;
            color: var(--primary-red);
        }
        
        .task-info h4 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        
        .task-info .task-price {
            color: var(--primary-red);
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .task-info p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.5;
        }
        
        /* 新增：用户评价板块 */
        .user-reviews {
            padding: 100px 0;
            background-color: var(--bg-gray);
        }
        
        .reviews-slider {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .review-item {
            background-color: var(--white);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        
        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .reviewer {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .reviewer-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-red);
        }
        
        .reviewer-info h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        
        .reviewer-info p {
            font-size: 14px;
            color: var(--text-light);
        }
        
        .review-rating {
            color: #ffc107;
            font-size: 18px;
        }
        
        .review-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-gray);
            margin-bottom: 15px;
        }
        
        .review-meta {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
        }
        
        /* 常见问题样式 */
        .faq {
            padding: 100px 0;
            background-color: var(--white);
        }
        
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 15px;
            border: 1px solid var(--border-gray);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px;
            background-color: var(--bg-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 500;
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .faq-answer.show {
            padding: 20px;
            max-height: 500px;
        }
        
        .faq-icon {
            color: var(--primary-red);
            transition: transform 0.3s ease;
        }
        
        .faq-icon.rotate {
            transform: rotate(180deg);
        }
        
        /* 下载区域样式 */
        .download {
            padding: 100px 0;
            background-color: var(--primary-red);
            color: var(--white);
            text-align: center;
        }
        
        .download .section-title h2 {
            color: var(--white);
        }
        
        .download .section-title h2::after {
            background-color: var(--white);
        }
        
        .download .section-title p {
            color: var(--white);
            opacity: 0.9;
        }
        
        .download-content {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 60px;
            margin-top: 40px;
        }
        
        .download-qrcode img {
            width: 200px;
            height: 200px;
            background-color: var(--white);
            padding: 10px;
            border-radius: 8px;
        }
        
        .download-btns {
            text-align: left;
        }
        
        .download-btn {
            display: flex;
            align-items: center;
            background-color: var(--white);
            color: var(--primary-red);
            padding: 15px 30px;
            border-radius: 8px;
            margin-bottom: 20px;
            width: 280px;
        }
        
        .download-btn i {
            font-size: 24px;
            margin-right: 15px;
        }
        
        .download-btn:hover {
            background-color: #f8f8f8;
        }
        
        /* 简化后的页脚样式 */
        footer {
            background-color: #222;
            color: var(--text-light);
            padding: 60px 0 20px;
        }
        
        .footer-content {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .footer-logo {
            font-size: 28px;
            font-weight: bold;
            color: var(--primary-red);
            margin-bottom: 20px;
        }
        
        .footer-desc {
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        
        .footer-contact {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .footer-contact-item {
            display: flex;
            align-items: center;
        }
        
        .footer-contact-item i {
            color: var(--primary-red);
            margin-right: 8px;
            font-size: 16px;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .footer-links a {
            color: var(--text-light);
            font-size: 14px;
        }
        
        .footer-links a:hover {
            color: var(--primary-red);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 14px;
        }
        
        /* 响应式适配 */
        @media (max-width: 992px) {
            .features-list {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .earn-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .task-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .banner-text h1 {
                font-size: 40px;
            }
        }
        
        @media (max-width: 768px) {
            /* 移动端菜单样式 */
            .menu-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                z-index: 998;
            }
            
            .nav-menu.active {
                transform: translateY(0);
            }
            
            .nav-menu li {
                margin: 0;
                padding: 10px 30px;
                border-bottom: 1px solid var(--border-gray);
            }
            
            .nav-menu li:last-child {
                border-bottom: none;
            }
            
            .features-list {
                grid-template-columns: 1fr;
            }
            
            .earn-steps {
                grid-template-columns: 1fr;
            }
            
            .task-grid {
                grid-template-columns: 1fr;
            }
            
            .download-content {
                flex-direction: column;
                gap: 30px;
            }
            
            .download-btns {
                text-align: center;
            }
            
            .banner-text h1 {
                font-size: 36px;
            }
            
            .review-item {
                padding: 30px 20px;
            }
            
            /* 移动端截图适配 */
            .earn-step-img {
                height: 150px;
            }
            
            /* 移动端按钮适配 */
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            .btn-icon {
                font-size: 16px;
            }
        }