.tool-page main > .tool-guide {
    box-sizing: border-box;
    width: min(1160px, calc(100% - 2 * clamp(1rem, 3vw, 2.5rem)));
    margin: clamp(2.5rem, 6vw, 5rem) auto;
    padding: clamp(1.25rem, 4vw, 3rem);
    border: 1px solid #ccd7cf;
    border-radius: 24px;
    background: #f9f7f1;
    color: #182b22;
    font: 400 1rem/1.75 'Manrope', system-ui, sans-serif;
    scroll-margin-top: 6rem;
}

.tool-guide *, .tool-guide *::before, .tool-guide *::after { box-sizing: border-box; }
.tool-guide .tool-guide__intro { max-width: 78ch; margin-bottom: 2rem; }
.tool-guide .eyebrow { color: #526b5b; }
.tool-guide h2, .tool-guide h3 { color: #182b22; text-wrap: balance; }
.tool-guide h2 { margin: 0 0 1rem; font-size: clamp(1.5rem, 2.7vw, 2.15rem); line-height: 1.3; }
.tool-guide h3 { margin: 0 0 0.75rem; font-size: 1.15rem; line-height: 1.5; }
.tool-guide p, .tool-guide li { color: #3d5146; }
.tool-guide p { margin: 0 0 1rem; }
.tool-guide .tool-guide__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
.tool-guide .tool-guide__card { min-width: 0; padding: 1.25rem; border: 1px solid #d2dcd5; border-radius: 16px; background: #fffdfa; }
.tool-guide .tool-guide__card p:last-child { margin-bottom: 0; }
.tool-guide .tool-guide__steps { display: grid; gap: 0.8rem; margin: 1rem 0 1.75rem; padding-left: 1.5rem; list-style: decimal; }
.tool-guide .tool-guide__steps li { padding-left: 0.25rem; }
.tool-guide .tool-guide__steps li::marker { color: #245d49; font-weight: 800; }
.tool-guide .tool-guide__note { margin: 1.5rem 0; padding: 1rem 1.25rem; border-left: 3px solid #b65b32; background: #eeeae2; border-radius: 0 12px 12px 0; }
.tool-guide a { color: #215c45; font-weight: 700; text-decoration: underline; text-underline-offset: 0.2em; overflow-wrap: anywhere; }
.tool-guide a:hover { color: #803d23; }
.tool-guide a:focus-visible, .tool-guide summary:focus-visible { outline: 3px solid #a34b23; outline-offset: 4px; border-radius: 3px; }
.tool-guide .tool-guide__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-top: 1.5rem; }
.tool-guide .tool-guide__links a { display: inline-flex; align-items: center; min-height: 44px; }
.tool-guide .tool-guide__faq { margin-top: 1.5rem; }
.tool-guide details { margin: 0.75rem 0; padding: 1rem; border: 1px solid #d2dcd5; border-radius: 12px; background: #fffdfa; }
.tool-guide summary { cursor: pointer; color: #182b22; font-weight: 700; }
.tool-guide details[open] summary { margin-bottom: 0.75rem; }
.tool-guide pre { max-width: 100%; overflow-x: auto; padding: 1rem; border-radius: 12px; background: #15241c; color: #f7f3ec; font-size: 0.875rem; line-height: 1.6; }
.tool-guide code { overflow-wrap: anywhere; font-size: 0.9em; }
.tool-guide pre code { color: inherit; overflow-wrap: normal; }

@media (max-width: 700px) {
    .tool-guide .tool-guide__grid { grid-template-columns: minmax(0, 1fr); }
    .tool-guide .tool-guide__card { padding: 1rem; }
}

@media print {
    .tool-page main > .tool-guide { width: 100%; margin: 1rem 0; padding: 0; border: 0; box-shadow: none; }
    .tool-guide details { break-inside: avoid; }
}