/* 基础重置：隔离容器，避免全局污染 */
        .refund-policy-container * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Arial, sans-serif;
            line-height: 1.8; /* 优化行高，提升阅读呼吸感 */
        }

        /* 页面容器：与安装指南主容器统一宽度 */
        .refund-policy-container {
            max-width: 1100px;
            width: 100%;
            margin: 40px auto;
            padding: 0 20px; /* 移动端留白优化 */
            color: #333;
        }

        /* 内容区样式：强化卡片感 */
        .refund-policy-content {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }

        /* 欢迎语：与安装指南正文/重点提示字号统一 */
        .refund-welcome-text {
            margin-bottom: 35px;
            font-size: 18px;
            color: #555;
        }
        .refund-welcome-text strong {
            font-size: 19px;
            font-weight: 600;
            color: #333;
        }

        /* 政策条款容器：统一间距与阴影 */
        .refund-policy-section {
            margin-bottom: 24px; /* 增加区块间距 */
            padding: 24px;
            background-color: #f9f9f9;
            border-radius: 10px;
            transition: all 0.3s ease;
            border-left: 4px solid transparent;
        }
        
        /* 条款hover效果：品牌色+微提升，增强交互 */
        .refund-policy-section:hover {
            background-color: #f5f5f5;
            border-left-color: #8B4513; /* 品牌棕 */
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        /* 条款标题：加粗+更大字号，强化层级 */
        .refund-section-title {
            font-size: 26px;
            font-weight: 700;
            color: #222;
            margin-bottom: 16px; /* 增加标题与内容间距 */
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
        }

        /* 条款序号：突出显示，增强视觉引导 */
        .refund-section-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: #8B4513;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 1;
            font-size: 18px;
            margin-right: 15px;
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(139, 69, 19, 0.2);
        }

        /* 条款内容：统一缩进，提升可读性 */
        .refund-section-content {
            padding-left: 51px;
            font-size: 18px;
            color: #444;
        }

        /* 列表样式：增强层级，优化间距 */
        .refund-section-content ul {
            margin: 12px 0;
            padding-left: 30px;
            list-style-type: disc;
        }
        .refund-section-content li {
            margin-bottom: 8px;
        }

        /* 重点高亮：品牌色背景，突出关键数据 */
        .refund-highlight {
            background-color: #f8f0e9;
            color: #8B4513;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 联系邮箱：品牌色，突出可点击性 */
        .refund-contact-email {
            color: #8B4513;
            text-decoration: none;
            font-weight: 600;
        }
        .refund-contact-email:hover {
            text-decoration: underline;
        }

        /* 联系信息强调区：增强视觉焦点 */
        .refund-contact-info {
            margin-top: 40px;
            padding: 25px;
            background-color: #f9f9f9;
            border-radius: 10px;
            text-align: center;
            font-size: 18px;
        }

        /* 响应式适配：移动端优化 */
        @media (max-width: 768px) {
            .refund-policy-content {
                padding: 25px;
            }
            .refund-section-title {
                font-size: 22px; /* 标题字号适配移动端 */
            }
            .refund-section-content {
                padding-left: 0; /* 移动端取消左侧缩进 */
                font-size: 16px; /* 正文适配移动端 */
            }
            .refund-section-number {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .refund-policy-section {
                padding: 18px;
            }
            .refund-contact-info {
                padding: 20px;
                font-size: 16px;
            }
        }