.syllabus-diagram { padding: 1.35rem; background: #f8fafc; border: 1px solid #cdd8e8; }
.syllabus-diagram svg { display: block; width: 100%; max-width: 480px; height: auto; margin: 1rem auto; }
.syllabus-er-diagram { display: grid; grid-template-columns: 1fr; justify-items: center; margin: 1.4rem auto; max-width: 420px; }
.syllabus-entity { width: 100%; padding: 1rem; border: 2px solid #456898; border-radius: 10px; background: #fff; text-align: center; color: #203656; }
.syllabus-entity strong { display: block; font-size: 1.1rem; margin-bottom: .3rem; }
.syllabus-entity span { font-size: .95rem; line-height: 1.7; }
.syllabus-entity-central { background: #eef3ff; }
.syllabus-relation { display: grid; justify-items: center; gap: .1rem; padding: .3rem; color: #29466c; font-size: .9rem; }
.syllabus-relation i { display: block; width: 2px; height: 24px; background: #456898; }
.syllabus-reflection { margin-top: 1.6rem; padding: 1.35rem; border: 1px solid #cbd8ef; border-left: 4px solid #2857bc; border-radius: 8px; background: #f3f7ff; }
.syllabus-reflection h3 { font-size: 1.05rem; margin: 0 0 .65rem; }
.syllabus-reflection p { margin: .5rem 0; }
.syllabus-reflection summary { color: #244fa5; cursor: pointer; padding: .55rem 0; font-weight: 600; }
@media(max-width: 520px) { .syllabus-diagram { padding: .8rem; } .syllabus-reflection { padding: 1rem; } }