.f4-reading{max-width:920px;line-height:1.8}.f4-reading h2{margin-top:2rem;scroll-margin-top:100px}.f4-reading img{max-width:100%;height:auto}.f4-toc{padding:20px;background:#f7f5ec;border-radius:14px;margin:24px 0}.f4-author{display:flex;gap:20px;align-items:center}.f4-author img{width:100px;height:120px;object-fit:cover;border-radius:12px}.f4-photo-card{display:block;height:100%;border:1px solid #dfe8dd;border-radius:16px;overflow:hidden;color:#122018;text-decoration:none}.f4-reading .f4-photo-card img{display:block;width:100%;height:200px;object-fit:cover}.f4-photo-card span{display:block;padding:16px}.f4-photo-card:hover{background:#edf7ea}a:focus-visible,button:focus-visible{outline:3px solid #2f7d1f;outline-offset:3px}@media(max-width:575px){.f4-author{align-items:flex-start;flex-direction:column}.f4-reading{overflow-wrap:anywhere}.f4-toc{padding:14px}}