.pf-tool{margin:2rem 0;padding:clamp(20px,4vw,36px);border:1px solid var(--accent-green);border-radius:20px;background:var(--bg-secondary);color:var(--text-light);font-family:var(--font-body);min-width:0}.pf-tool *{box-sizing:border-box}.faq-content.oil-guide .pf-tool h3,.faq-content.oil-guide .pf-tool h4{color:var(--text-light)}.pf-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.pf-fields>div{min-width:0}.pf-tool label{display:block;font-weight:700;margin:1rem 0 .6rem}.pf-tool input{appearance:none;-webkit-appearance:none;width:100%;min-height:52px;padding:12px 16px;border:1px solid var(--accent-green);border-radius:12px;background:var(--bg-main);color:var(--text-light);font:500 1rem/1.5 var(--font-body)}.pf-tool input[aria-invalid=true]{border-width:2px}.pf-tool input:focus-visible,.pf-tool button:focus-visible{outline:3px solid var(--text-light);outline-offset:4px}.pf-actions{display:flex;flex-wrap:wrap;gap:12px;margin:1.2rem 0}.pf-tool button{appearance:none;-webkit-appearance:none;min-height:48px;border:1px solid var(--accent-green);border-radius:12px;background:var(--bg-main);color:var(--text-light);font:600 1rem/1.45 var(--font-body);padding:12px 16px;cursor:pointer;white-space:normal;transition:box-shadow .15s}.pf-tool #pf-compare{background:var(--accent-green);color:#fff}body:not(.light-theme) .pf-tool #pf-compare{color:#111}.pf-tool button:hover{box-shadow:0 0 0 1px var(--accent-green)}.pf-tool :disabled{opacity:.65;cursor:default}.pf-result{margin:1.5rem 0;padding:clamp(18px,3vw,28px);border:1px solid var(--accent-green);border-radius:16px;background:var(--bg-main)}.pf-result h4{font:700 1.15rem/1.55 var(--font-body);margin:0 0 1rem}.pf-result dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0 0 1.2rem}.pf-result dl>div{padding:16px;border-radius:12px;background:var(--bg-secondary);min-width:0}.pf-result dt{font:500 1rem/1.5 var(--font-body)}.pf-result dd{margin:8px 0 0;font:700 1.2rem/1.5 var(--font-body);overflow-wrap:anywhere}.pf-note{font-size:.95rem!important;line-height:1.7!important}.pf-tool .pf-error{font-weight:700}.pf-tool [hidden]{display:none!important}.faq-content.oil-guide .rack-photo img{display:block;width:100%;max-width:100%;height:auto}body.light-theme #articleHeroBtnShare,body.light-theme .faq-toc-more-btn{background:#fff}@media(max-width:800px){.pf-fields{grid-template-columns:1fr}}@media(max-width:600px){.pf-result dl{grid-template-columns:1fr}.pf-tool button{width:100%}.faq-content.oil-guide table td,.faq-content.oil-guide table th{padding-left:6px;padding-right:6px}}