.tool-guide { max-width: 64rem; margin: 2.5rem auto; padding: clamp(1.2rem, 4vw, 2.5rem); color: #334155; background: #f8fafc; border: 1px solid #cbd5e1; border-radius: 1rem; line-height: 1.8; overflow-wrap: anywhere; }
.tool-guide h2 { margin: 0 0 1rem; font-size: clamp(1.25rem, 3vw, 1.65rem); line-height: 1.4; color: #0f172a; font-weight: 700; }
.tool-guide h3 { margin: 1.5rem 0 .5rem; color: #0f172a; font-size: 1.05rem; font-weight: 700; }
.tool-guide p { margin: .5rem 0; }
.tool-guide ul { padding-left: 1.4rem; list-style: disc; }
.tool-guide a { color: #1d4ed8; text-decoration: underline; text-underline-offset: .2em; }
.tool-guide a:focus-visible { outline: 3px solid #2563eb; outline-offset: 4px; }