.sfk-guide{margin:2rem 0;border:1px solid var(--line,#cbd5e1);border-radius:16px;background:var(--surface,#fff);color:var(--ink,#172033)}
.sfk-guide summary{padding:1.2rem 1.4rem;cursor:pointer;font-weight:650;line-height:1.5;color:var(--ink,#172033)}
.sfk-guide summary:focus-visible{outline:2px solid #f53900;outline-offset:3px;border-radius:12px}
.sfk-guide__body{padding:0 1.4rem 1.4rem;max-width:85ch}.sfk-guide__body h2{font-size:1.3rem!important;margin:1.8rem 0 .6rem!important;line-height:1.35}.sfk-guide__body h3{font-size:1.08rem!important;margin:1.3rem 0 .5rem!important;line-height:1.45}
.sfk-guide__body p,.sfk-guide__body li{font-size:1rem;line-height:1.75}.sfk-guide__body li+li{margin-top:.6rem}.sfk-guide__review{font-size:.85rem!important;color:var(--muted,#526074)}
.sfk-library__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.5rem 0}.sfk-library__grid article{padding:1.4rem;border:1px solid var(--line,#cbd5e1);border-radius:16px;background:var(--surface,#fff)}.sfk-library__grid h2{font-size:1.3rem!important;line-height:1.4}.sfk-library__grid p{line-height:1.7}
@media(max-width:700px){.sfk-library__grid{grid-template-columns:1fr}.sfk-guide summary{padding:1rem}.sfk-guide__body{padding:0 1rem 1rem}}