body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.5;
}

.navbar {
    background-color: #f9f9f9;
    border-bottom: 1px solid #e8e8e8;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 20px;
    font-weight: 500;
    color: #1a1a1a;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    font-size: 16px;
    color: #4a4a4a;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
    color: #0066cc;
}

.content {
    max-width: 600px;
    margin: 40px auto;
    padding: 0 20px;
}

.sub-content {
    flex: 1;
    max-width: 600px;
    margin: 10px auto;
}

.card {
    border-radius: 1rem;
    min-height: 1rem;
    max-width: 600px;
    border: 1px solid #e8e8e8;
    padding: 0.5rem;
}

.divider {
    border: 1px solid #e8e8e8;
    height: 0;
    width: auto;
    border-radius: 1rem;
}

h1 {
    font-size: 28px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 20px;
}

h2 {
    font-size: 20px;
    font-weight: 500;
    color: #1a1a1a;
    margin-top: 20px;
    margin-bottom: 6px;
}

h3 {
    font-size: 18px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom:16px;
}

h3[id] {
    scroll-margin-top: 75px;
}

p {
    font-size: 16px;
    margin-bottom: 15px;
    color: #4a4a4a;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    font-size: 16px;
    margin-bottom: 10px;
    color: #4a4a4a;
}

strong {
    font-weight: 500;
}

a {
    color: #1a1a1a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    h3[id] {
        scroll-margin-top: 100px;
    }
}