.tooth-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:4;pointer-events:auto}.hero-visual{perspective:900px}.hero-visual .main-shot{z-index:5;transform:rotate(-3deg) translateZ(18px)}.hero-visual .orange-sphere{z-index:1}.hero-visual .hero-orbit{z-index:2}.hero-visual .float-card{z-index:6}.article-detail{padding-top:55px;padding-bottom:130px}.breadcrumbs{display:flex;gap:10px;color:var(--muted);font-size:.68rem}.breadcrumbs a{color:var(--accent-2);text-decoration:none}.article-detail header{max-width:850px;margin:80px auto 55px}.article-detail h1{font-size:clamp(2.6rem,5vw,5.3rem);margin:20px 0}.article-lead{color:var(--dim);font-size:1rem;max-width:700px}.article-byline{font-size:.7rem;color:var(--accent-2);margin-top:25px}.article-body{max-width:760px;margin:auto;font-size:1rem;line-height:2.3;color:var(--soft)}.article-body h2{color:var(--cream);font-size:1.8rem;margin-top:45px}.related-articles{max-width:760px;margin:70px auto 0;border-top:1px solid var(--line);padding-top:25px}.related-articles a{display:block;color:var(--accent-2);text-decoration:none;padding:9px 0;font-size:.82rem}