* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background: #f5f5f5;
    color: #666;
    line-height: 1.8;
    padding: 20px;
    font-size: 14px;
}

.privacy-container {
    max-width: 900px;
    margin: 20px auto;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header {
    background: #f8f8f8;
    color: #333;
    padding: 40px 30px;
    text-align: center;
    border-bottom: 1px solid #e8e8e8;
}

.header h1 {
    font-size: 24px;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
}

.header p {
    font-size: 13px;
    color: #999;
}

.content {
    padding: 40px;
}

.intro {
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
    text-align: center;
    color: #666;
    line-height: 1.8;
}

.toc {
    background: #fafafa;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 30px;
    border-left: 3px solid #ddd;
}

.toc h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 14px;
    font-weight: 600;
}

.toc ul {
    columns: 2;
    column-gap: 20px;
    list-style: none;
}

.toc li {
    margin-bottom: 8px;
    break-inside: avoid;
}

.toc a {
    color: #666;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.toc a:hover {
    color: #333;
}

.section {
    margin-bottom: 35px;
    counter-increment: section-counter;
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e8e8e8;
    color: #333;
}

.section-title::before {
    content: counter(section-counter) ".";
    font-weight: 600;
    margin-right: 8px;
    color: #999;
}

.subsection {
    margin-bottom: 20px;
    padding-left: 0;
}

.subsection::before {
    display: none;
}

.subsection-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    margin-top: 15px;
}

.subsection-content {
    margin-left: 0;
}

.subsection-content p {
    margin-bottom: 12px;
    text-align: justify;
    font-size: 13px;
    line-height: 1.8;
    color: #666;
}

.list {
    padding-left: 20px;
    margin: 12px 0;
    list-style-type: none;
}

.list li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 18px;
    font-size: 13px;
    color: #666;
}

.list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #999;
}

.highlight-box {
    background: #fafafa;
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
    border-left: 3px solid #ddd;
    font-size: 13px;
    color: #666;
    line-height: 1.8;
}

.contact-info {
    margin-top: 40px;
    padding: 20px;
    background: #fafafa;
    border-radius: 4px;
    text-align: center;
    border: 1px solid #e8e8e8;
}

.contact-info p {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
}

.contact-info a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    border-bottom: 1px solid #ddd;
}

.contact-info a:hover {
    color: #333;
    border-bottom-color: #999;
}

.footer {
    background: #f8f8f8;
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 12px;
    border-top: 1px solid #e8e8e8;
}

.download-btn {
    display: flex;
    width: 200px;
    margin: 30px auto;
    padding: 12px 20px;
    background: #f0f0f0;
    color: #666;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 13px;
    border: 1px solid #ddd;
    transition: all 0.2s ease;
    justify-content: center;
    align-items: center;
}

.download-btn:hover {
    background: #e8e8e8;
    border-color: #999;
    color: #333;
}

@media (max-width: 768px) {
    .content {
        padding: 20px;
    }

    .header {
        padding: 25px 15px;
    }

    .header h1 {
        font-size: 20px;
    }

    .toc ul {
        columns: 1;
    }

    .download-btn {
        width: 90%;
        font-size: 13px;
        padding: 10px;
    }

    body {
        font-size: 13px;
    }
}