.guide-introduction,.guide-how{padding:28px clamp(20px,5vw,54px);border-top:1px solid var(--border)}.guide-introduction{max-width:900px;margin:auto;text-align:left}.guide-introduction h2,.guide-how h2{font-family:Georgia,serif;font-size:30px;margin:0 0 14px}.guide-introduction p{font-size:17px;line-height:1.7;color:var(--muted);white-space:pre-line}.guide-how>div{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-how article{background:#f7f7fb;border-radius:12px;padding:17px}.guide-how article h3{margin:0 0 7px}.guide-how article p{margin:0;color:var(--muted);line-height:1.5}@media(max-width:850px){.guide-how>div{grid-template-columns:1fr}}