.oi-layout{max-width:1160px;margin:auto;padding:45px 24px 90px}.oi-hero{max-width:850px;padding:34px 0 40px}.oi-hero h1{font-size:clamp(2.6rem,6vw,4.9rem);line-height:1.08;margin:0 0 22px}.oi-intro,.oi-lead{font-size:clamp(1.17rem,2vw,1.45rem);line-height:1.65}.oi-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.oi-entry,.oi-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 12px 30px rgba(45,30,18,.07)}.oi-entry{display:block;transition:transform .16s}.oi-entry:hover,.oi-card:hover{transform:translateY(-2px)}.oi-entry h2{font-size:1.8rem;margin:4px 0 8px}.oi-entry span:last-child,.oi-read{color:var(--accent);font-weight:700}.oi-section{padding-top:65px;scroll-margin-top:95px}.oi-section-head h2{font-size:clamp(2rem,4vw,3rem);margin:0 0 23px}.oi-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.oi-card h3{font-size:1.42rem;line-height:1.33;margin:10px 0}.oi-card p{color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.oi-card-tag{font-size:.79rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.oi-article-shell{max-width:870px;margin:0 auto;padding:54px 24px 85px}.oi-article{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,65px);box-shadow:var(--shadow)}.oi-article h1{font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.16;margin:0 0 23px}.oi-lead{font-style:italic;color:#54463c;margin:0 0 36px;padding-bottom:30px;border-bottom:1px solid var(--line)}.oi-article-body{font-size:1.095rem;line-height:1.88}.oi-article-body h2{font-size:1.5rem;line-height:1.3;margin:36px 0 17px;color:#613c25}.oi-article-body .science-start{border-top:1px solid var(--line);padding-top:28px;font-size:1.15rem}.oi-article-body a{text-decoration:underline;overflow-wrap:anywhere;color:#79502f}.oi-article-body p{margin:0 0 1.2rem}.oi-book-link{margin:38px 0;border-top:1px solid var(--line);padding-top:29px}.oi-related{border-top:1px solid var(--line);padding-top:25px;display:grid;gap:8px}.oi-related h2{font-size:1.3rem;margin:0 0 5px}.oi-related a,.oi-article .article-back a{color:var(--accent);font-weight:700}.oi-article .article-back{margin-top:30px}@media(max-width:760px){.oi-columns,.oi-card-grid{grid-template-columns:1fr}.oi-layout{padding:24px 18px 64px}.oi-article-shell{padding:22px 13px 60px}.oi-article{border-radius:16px}.oi-article-body{font-size:1.03rem}.oi-entry,.oi-card{padding:23px}}
.oi-hero-photo{margin:0 0 34px}.oi-hero-photo img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:14px}.oi-hero-photo figcaption{font-size:.91rem;line-height:1.5;color:var(--muted);font-style:italic;margin-top:10px}.oi-card-image{display:block;margin:-10px -10px 22px}.oi-card-image img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;display:block}