.section-list {
    /* margin: 2rem auto; */
    max-width: 800px;
}
.main-card {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    background: #fff;
    padding: 1.5rem;
}
.main-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.main-card-desc {
    color: #666;
    margin-bottom: 0.5rem;
}
.view-section-btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: #2196f3;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}
.view-section-btn:hover {
    background: #1769aa;
}
.abbrev-modal { position: fixed; z-index: 9999; left:0; top:0; width:100vw; height:100vh; background:rgba(0,0,0,0.25); display:flex; align-items:center; justify-content:center; }
.abbrev-modal-content { background:#fff; border-radius:10px; max-width:95vw; width:90%; max-height:80vh; overflow-y:auto; box-shadow:0 4px 24px rgba(0,0,0,0.18); padding:2rem 1.2rem; position:relative; }
.abbrev-modal-close { position:absolute; top:0.7rem; right:1.1rem; font-size:2rem; color:#cf1242; cursor:pointer; font-weight:bold; }
.abbrev-modal-body { font-size:1.08rem; color:#222; }
@media (max-width:600px) { .abbrev-modal-content { width:98vw; padding:1.2rem 0.5rem; } }