:root{--ink:#18231d;--muted:#647169;--paper:#f6f4ed;--card:#fffefa;--orange:#ff8c4b;--blue:#78c7ea;--green:#9ed198;--line:#dfe3d9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-rounded,"SF Pro Rounded","Noto Sans TC",system-ui,sans-serif;line-height:1.5}.site-header{max-width:1160px;margin:auto;padding:25px 28px;display:flex;justify-content:space-between;align-items:center}.brand{font-weight:850;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.04em}.brand span{color:#dd6533}.site-header p{font-size:.88rem;color:var(--muted);margin:0}.hero{max-width:1160px;margin:auto;padding:70px 28px 62px}.eyebrow,.label{text-transform:uppercase;letter-spacing:.1em;font-weight:800;font-size:.72rem;color:#dd6533;margin:0 0 12px}.hero h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:1.04;letter-spacing:-.075em;margin:0;max-width:800px}.intro{max-width:520px;color:var(--muted);font-size:1.07rem;margin:24px 0}.primary-link,.search-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;font:inherit;font-weight:750;cursor:pointer;text-decoration:none}.primary-link{background:var(--ink);color:#fff;padding:13px 19px;gap:18px}.tool-grid{max-width:1160px;margin:auto;padding:0 28px 94px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{background:var(--card);border:1px solid var(--line);border-radius:23px;padding:26px;box-shadow:0 7px 0 rgba(24,35,29,.035)}.accent-orange{border-top:7px solid var(--orange)}.accent-blue{border-top:7px solid var(--blue)}.accent-green{border-top:7px solid var(--green)}.card-heading{display:flex;gap:12px;align-items:center}.tool-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;background:#fff1e9;color:#cf5932;font-weight:900;font-size:1.4rem}.accent-blue .tool-icon{background:#e9f7fd;color:#278bb5}.accent-green .tool-icon{background:#eff9ec;color:#4e8a48}.label{margin:0;color:var(--muted);font-size:.64rem}.card-heading h2{font-size:1.35rem;letter-spacing:-.04em;margin:0}.helper{color:var(--muted);font-size:.9rem;min-height:54px;margin:18px 0}label{font-size:.79rem;font-weight:750;display:block;margin:13px 0 6px}input,select{width:100%;border:1px solid #ccd3ca;background:#fff;padding:11px 12px;border-radius:10px;color:var(--ink);font:inherit}.inline-fields{display:grid;grid-template-columns:1fr 1.35fr;gap:10px}.result{display:block;background:#fff1e9;color:#b64b29;border-radius:12px;margin-top:18px;padding:14px;font-size:1.35rem;font-weight:850;letter-spacing:-.04em}.blue-result{background:#edf8fc;color:#22769a}.small-note{font-size:.73rem;color:var(--muted);margin:12px 0 0}.rate-actions{display:flex;align-items:center;gap:10px;margin-top:12px}.rate-actions .secondary-button{padding:8px 11px;font-size:.78rem;white-space:nowrap}.rate-actions .small-note{margin:0}.search-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:15px}.search-button{background:var(--ink);color:#fff;padding:12px}.secondary-button{background:#eff7ed;color:#356a34;padding:11px;border:1px solid #cbe3c5}.how-it-works{background:#17241d;color:#f7f5ec;padding:70px 28px}.how-it-works .eyebrow{color:#a6d99f}.steps{max-width:1104px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.steps span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#a6d99f;color:#17241d;font-weight:850}.steps h2{font-size:1.2rem;margin:16px 0 5px}.steps p{margin:0;color:#bec8bf;font-size:.9rem}footer{text-align:center;padding:30px 20px;color:var(--muted);font-size:.8rem}@media(max-width:800px){.tool-grid,.steps{grid-template-columns:1fr}.tool-card{padding:22px}.hero{padding-top:48px}.helper{min-height:0}.site-header{padding-top:18px}}