:root{--bg:#F8F9FC;--surface:#FFFFFF;--ink:#101828;--ink-soft:#667085;--ink-faint:#98A2B3;--line:#EAECF2;--r-lg:22px;--r-md:14px;--pdf1:#FF6B5E;--pdf2:#E63950;--img1:#A855F7;--img2:#7C3AED;--txt1:#2DD4BF;--txt2:#0D9488;--gen1:#FBBF24;--gen2:#D97706;--calc1:#60A5FA;--calc2:#2563EB;--pdf-bg:#FFF0EE;--img-bg:#F6EFFF;--txt-bg:#E9FBF7;--gen-bg:#FEF6E3;--calc-bg:#EBF2FF;--shadow-sm:0 1px 2px rgba(16,24,40,.04),0 2px 8px rgba(16,24,40,.04);--shadow-md:0 4px 12px rgba(16,24,40,.06),0 12px 32px rgba(16,24,40,.07)}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--ink);line-height:1.55;padding-bottom:env(safe-area-inset-bottom);background:var(--bg);background-image:radial-gradient(560px 320px at 15% -4%,rgba(96,165,250,.13),transparent 65%),radial-gradient(620px 340px at 92% -6%,rgba(168,85,247,.1),transparent 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ease}.chip:active{transform:scale(.95)}.cluster{margin-top:30px}.cluster h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);font-weight:750;margin-bottom:12px;display:flex;align-items:center;gap:8px}.cluster h2:after{content:"";flex:1;height:1px;background:var(--line)}.grid{display:grid;grid-template-columns:1fr;gap:12px}@media (min-width:620px){.grid{grid-template-columns:1fr 1fr}}@media (min-width:920px){.grid{grid-template-columns:1fr 1fr 1fr}}.card{position:relative;display:flex;align-items:center;gap:15px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:17px;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .14s ease,box-shadow .14s ease;min-height:78px;text-align:left;width:100%;overflow:hidden;color:var(--ink);text-decoration:none}.card:visited{color:var(--ink)}@media 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rgba(0,0,0,.06);position:relative;transition:transform .1s}.swatch:active{transform:scale(.94)}.swatch .sw-hex{position:absolute;bottom:5px;left:0;right:0;text-align:center;font-size:.66rem;font-weight:750;color:#0000008c}.pwdisplay{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:4px}.pwdisplay .val{flex:1;font-size:1.15rem;font-weight:700;word-break:break-all;letter-spacing:.01em}.pwdisplay button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--surface);border:1px solid var(--line);border-radius:10px;width:42px;height:42px;font-size:1rem;cursor:pointer;flex-shrink:0}.strength{display:flex;gap:5px;margin-top:12px}.strength i{flex:1;height:6px;border-radius:4px;background:var(--line)}.strength.s1 i:nth-child(1){background:var(--pdf2)}.strength.s2 i:nth-child(-n+2){background:var(--gen2)}.strength.s3 i:nth-child(-n+3){background:var(--gen1)}.strength.s4 i{background:var(--txt2)}.strength-lbl{font-size:.8rem;font-weight:700;color:var(--ink-soft);margin-top:7px;text-align:center}.qrbox{display:grid;place-items:center;padding:24px;background:var(--bg);border:1px solid var(--line);border-radius:16px;margin-top:16px;min-height:130px}.qrbox img,.qrbox canvas{border-radius:10px;background:#fff;padding:12px;max-width:100%;height:auto;box-shadow:var(--shadow-sm)}.hide{display:none!important}.err{color:var(--pdf2);font-size:.88rem;font-weight:650;margin-top:10px}#toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translate(-50%) translateY(16px);background:var(--ink);color:#fff;font-size:.9rem;font-weight:650;padding:12px 20px;border-radius:999px;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:60;max-width:calc(100vw - 40px);text-align:center}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}.backbtn{text-decoration:none}.logo{text-decoration:none;color:inherit}.breadcrumb{font-size:.82rem;color:var(--ink-faint);margin:14px 0 2px;display:flex;gap:6px;flex-wrap:wrap}.breadcrumb a{color:var(--ink-soft);text-decoration:none;font-weight:650}.breadcrumb a:hover{color:var(--ink)}.seo{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}.seo h2{font-size:1.15rem;letter-spacing:-.02em;margin-bottom:10px}.seo p{color:var(--ink-soft);font-size:.96rem;max-width:64ch}.faq{margin-top:22px;display:flex;flex-direction:column;gap:10px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--shadow-sm)}.faq summary{font-weight:700;cursor:pointer;font-size:.94rem;list-style:none;display:flex;justify-content:space-between;gap:10px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--ink-faint);font-weight:800}.faq details[open] summary:after{content:"–"}.faq p{margin-top:10px;font-size:.9rem}