:root {
    --primary-color: #3879FF;
    --doc-bg-color: #f7f9fa;
    --doc-heading-color: #0f172a;
    --doc-text-color: #1f2933;
    --doc-muted-color: #475467;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body.doc-page {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.7;
    color: var(--doc-text-color);
    background: var(--doc-bg-color);
    padding: 0 16px 60px;
    margin: 0;
    font-size: 16px;
}

body.doc-page.wallwall-has-nav {
    padding-top: calc(var(--wallwall-nav-height, 72px) + 40px);
}

body.doc-page:not(.wallwall-has-nav) {
    padding-top: 40px;
}

.doc-container {
    max-width: 860px;
    margin: 0 auto;
}

.doc-title {
    color: var(--primary-color);
    font-size: 32px;
    font-weight: 800;
    margin: 0 0 24px;
    padding: 15px 5px 0;
    text-align: left;
}

.doc-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.doc-card h2 {
    color: var(--doc-heading-color);
    font-size: 22px;
    font-weight: 700;
    margin: 30px 0 16px 0;
}

.doc-card h3 {
    color: #555555;
    font-size: 18px;
    font-weight: 700;
    margin: 20px 0 10px 0;
}

.doc-card p {
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--doc-muted-color);
}

.doc-card ul,
.doc-card ol {
    margin: 15px 0;
    padding-left: 25px;
}

.doc-card li {
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--doc-muted-color);
}

.doc-card a {
    color: var(--primary-color);
    text-decoration: none;
}

.doc-card a:hover {
    text-decoration: underline;
}

.date {
    text-align: center;
    color: #667085;
    font-size: 14px;
    margin-bottom: 30px;
}

.contact {
    background: #f7f9fa;
    padding: 16px;
    border-radius: 10px;
    margin: 20px 0;
}

.important {
    background: #fff3cd;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #ffc107;
}

.definition {
    background: #f7f9fa;
    padding: 16px;
    border-radius: 10px;
    margin: 15px 0;
}

@media (max-width: 600px) {
    body.doc-page {
        padding-left: 16px;
        padding-right: 16px;
        padding-bottom: 40px;
    }

    body.doc-page.wallwall-has-nav {
        padding-top: calc(var(--wallwall-nav-height, 64px) + 24px);
    }

    body.doc-page:not(.wallwall-has-nav) {
        padding-top: 28px;
    }

    .doc-card {
        padding: 24px;
    }
}