/* EchVid long-form guides; isolated selectors, compatible with public-v4. */
.guide-shell{max-width:1000px;margin:0 auto;padding:clamp(36px,6vw,76px) 24px 90px}.guide-hero{padding:clamp(28px,5vw,56px);border-radius:24px;background:linear-gradient(135deg,#0b2938,#08151f);border:1px solid #214757;margin-bottom:36px}.guide-hero h1{font-size:clamp(2.1rem,4.5vw,3.6rem);line-height:1.15;margin:14px 0 18px}.guide-hero p{max-width:720px;line-height:1.75;color:#c5d9e2}.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}.guide-card,.guide-section{border:1px solid #275365;border-radius:18px;padding:clamp(22px,3vw,32px);background:#0a202d}.guide-card h2,.guide-section h2{margin:0 0 12px;line-height:1.25}.guide-card p,.guide-section p{line-height:1.8;color:#c4d7e1}.guide-card a,.guide-back{color:#67eae8;font-weight:700}.guide-section{margin-top:20px}.guide-example{border-left:3px solid #59ded9;padding-left:16px;color:#e1eff2!important;margin-top:18px}.guide-footer-links{display:flex;gap:22px;flex-wrap:wrap;padding:24px}.guide-shell a:focus-visible{outline:3px solid #f2df75;outline-offset:4px}@media(max-width:650px){.guide-shell{padding:28px 16px 60px}.guide-hero{padding:24px}.guide-section{padding:22px}}