.ap-article { background:#fff; border-radius:16px; }
.ap-hero { background:#f7f9fc; border:1px solid #e6eaf2; border-radius:14px; padding:18px; margin-bottom:12px; }
.ap-article h2 { font-size:1.5rem; color:#0f172a; margin:18px 0 10px; }
.ap-article h3, .ap-article h4 { color:#0f172a; margin:14px 0 8px; }
.ap-article p { color:#334155; line-height:1.78; }
.ap-bullets,.ap-advantages,.ap-specs,.ap-howto,.ap-links { margin:0 0 10px 22px; color:#334155; }
.ap-faq { border:1px dashed #e6eaf2; border-radius:14px; padding:12px 14px; background:#fafcff; margin:12px 0; }

.reveal { will-change: transform, opacity; }
.pre-reveal { opacity:0; transform:translateY(12px); }
.in-view { opacity:1; transform:none; transition:opacity .5s ease, transform .5s ease; }