.subject-title {
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.subject-title a {
    color: #1f2937;
    text-decoration: none;
}

.subject-title a:hover {
    color: #2563eb;
}

.topic-section {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.topic-section:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.topic-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: .75rem;
}

.content-list {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.content-item {
    padding-left: .5rem;
}

.content-link {
    display: block;
    color: #4b5563;
    text-decoration: none;
    padding: .45rem .75rem;
    border-radius: 6px;
    transition: background .2s ease, color .2s ease, padding-left .2s ease;
}

.content-link:hover {
    background: #f3f4f6;
    color: #2563eb;
    padding-left: 1rem;
}

.content-link::before {
    content: "•";
    color: #2563eb;
    margin-right: .5rem;
    font-weight: bold;
}