.prev-next-nav {
    display: flex;
    gap: 16px;
    margin: 48px 0 24px;
    padding-top: 32px;
    border-top: 1px solid rgba(128,128,128,0.2);
    max-width: 720px;
}
.prev-next-link {
    flex: 1;
    padding: 16px 20px;
    border: 1px solid rgba(128,128,128,0.2);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.prev-next-link:hover {
    border-color: rgba(128,128,128,0.4);
    background: rgba(128,128,128,0.05);
}
.next-link { text-align: right; }
.prev-next-label { font-size: 0.8rem; opacity: 0.6; }
.prev-next-title { font-weight: 600; font-size: 0.95rem; line-height: 1.3; }
@media (max-width: 768px) {
    .prev-next-nav { flex-direction: column; }
}