/* 协议页面样式 - 居中窄栏布局 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
    background: #ffffff;
    color: #333333;
    line-height: 1.8;
    padding: 40px 20px;
}

/* 居中窄栏容器 */
.agreement-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 20px;
}

/* 主标题 */
.agreement-container h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 12px;
    line-height: 1.4;
}

/* 更新日期 */
.update-date {
    font-size: 0.875rem;
    color: #666666;
    text-align: center;
    margin-bottom: 40px;
}

/* 二级标题 */
.agreement-container h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 32px;
    margin-bottom: 16px;
    line-height: 1.5;
}

/* 三级标题 */
.agreement-container h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #333333;
    margin-top: 24px;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* 正文段落 */
.agreement-container p {
    font-size: 0.9375rem;
    color: #333333;
    line-height: 1.8;
    margin-bottom: 16px;
    text-align: justify;
}

/* 列表 */
.agreement-container ul {
    font-size: 0.9375rem;
    color: #333333;
    line-height: 1.8;
    margin-bottom: 16px;
    padding-left: 24px;
}

.agreement-container ul li {
    margin-bottom: 8px;
}

.agreement-container ul li strong {
    color: #1a1a1a;
}

/* 页脚说明 */
.footer-note {
    font-size: 0.875rem;
    color: #666666;
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

/* 响应式 */
@media (max-width: 480px) {
    body {
        padding: 20px 16px;
    }

    .agreement-container {
        padding: 0;
    }

    .agreement-container h1 {
        font-size: 1.5rem;
    }

    .agreement-container h2 {
        font-size: 1.125rem;
        margin-top: 24px;
    }

    .agreement-container h3 {
        font-size: 0.9375rem;
        margin-top: 18px;
    }

    .agreement-container p,
    .agreement-container ul {
        font-size: 0.875rem;
    }
}