.blog-detail{padding:86px 0;background:var(--brand-bg)}.detail-shell{max-width:680px;margin:0 auto}.detail-meta{color:var(--brand-text);font-weight:800;margin:16px 0 34px}.detail-content{color:var(--brand-text);font-size:1.05rem}.detail-content img{max-width:100%;height:auto}.protocol-note{margin:34px 0;padding:20px;background:var(--brand-bg-alt);border-left:4px solid var(--brand-secondary);color:var(--brand-text)}.post-nav{display:flex;justify-content:space-between;gap:16px;padding:24px 0;border-top:1px solid var(--brand-border);border-bottom:1px solid var(--brand-border)}.comment-box{margin-top:34px;padding:28px;border:1px solid var(--brand-border);background:var(--brand-bg-alt)}@media (max-width:640px){.post-nav{flex-direction:column}}