*{box-sizing:border-box}body{color:#101828;background:#f7f9fc;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Thai,Tahoma,sans-serif}.site-header{background:#fff;border-bottom:1px solid #eaecf0;justify-content:space-between;align-items:center;min-height:68px;padding:0 max(24px,50vw - 560px);display:flex}.logo{color:#101828;font-size:24px;font-weight:850;text-decoration:none}.logo span{color:#ff6900}nav{gap:20px;display:flex}nav a{color:#475467;font-size:14px;font-weight:650;text-decoration:none}main{width:min(1100px,100% - 32px);margin:auto;padding:68px 0 100px}.hero{text-align:center;margin-bottom:32px}.badge{color:#067647;background:#ecfdf3;border-radius:999px;padding:7px 12px;font-size:11px;font-weight:800;display:inline-flex}h1{letter-spacing:-.04em;margin:14px 0 8px;font-size:clamp(38px,5vw,54px)}.hero>p{color:#667085}.chips{flex-wrap:wrap;justify-content:center;gap:7px;margin-top:14px;display:flex}.chips span{color:#667085;background:#fff;border:1px solid #e4e7ec;border-radius:999px;padding:6px 10px;font-size:10px;font-weight:650}.tool-card,.quick-answer,.seo-content,.privacy{background:#fff;border:1px solid #e4e7ec;border-radius:20px}.tool-card{padding:24px}.stats{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:10px;display:grid}.stats>div{text-align:center;background:#f8fafc;border-radius:10px;padding:13px}.stats span,.stats strong{display:block}.stats span{color:#98a2b3;font-size:9px}.stats strong{margin-top:4px;font-size:20px}.editors{grid-template-columns:1fr 1fr;gap:9px;display:grid}.editors>section{border:1px solid #e4e7ec;border-radius:12px;overflow:hidden}.editor-head{background:#f8fafc;border-bottom:1px solid #e4e7ec;justify-content:space-between;align-items:center;min-height:45px;padding:0 12px;display:flex}.editor-head strong{font-size:10px}.editor-head span{color:#98a2b3;font-size:9px}textarea{resize:vertical;color:#101828;width:100%;min-height:340px;font:inherit;border:0;outline:0;padding:15px;font-size:14px;line-height:1.7;display:block}.options{flex-wrap:wrap;gap:7px;margin-top:10px;display:flex}.options label{color:#475467;cursor:pointer;border:1px solid #e4e7ec;border-radius:8px;align-items:center;gap:6px;padding:8px 10px;font-size:9px;font-weight:650;display:flex}.actions{flex-wrap:wrap;gap:7px;margin-top:10px;display:flex}.actions button,.result-head button{color:#344054;cursor:pointer;background:#fff;border:1px solid #d0d5dd;border-radius:8px;min-height:38px;padding:0 12px;font-size:10px;font-weight:750}.actions .primary{color:#fff;background:#ff6900;border:0}.result-section{border:1px solid #e4e7ec;border-radius:12px;margin-top:18px;overflow:hidden}.result-head{background:#f8fafc;border-bottom:1px solid #e4e7ec;justify-content:space-between;align-items:center;gap:10px;min-height:61px;padding:10px 12px;display:flex}.result-head>div:last-child{gap:5px;display:flex}.result-head h2{margin:0;font-size:14px}.result-head p{color:#98a2b3;margin:3px 0 0;font-size:9px}.result-head .result-ok{color:#067647}.result-head .result-diff{color:#b54708}.result-head button:disabled{opacity:.4;cursor:not-allowed}.empty-result{color:#98a2b3;text-align:center;padding:80px 20px;font-size:12px}.diff-result{max-height:520px;overflow:auto}.diff-line{border-bottom:1px solid #f2f4f7;grid-template-columns:45px 30px minmax(0,1fr) 75px;align-items:stretch;min-height:34px;display:grid}.diff-line:last-child{border-bottom:0}.line-number,.symbol,.line-label{justify-content:center;align-items:center;font-size:9px;display:flex}.line-number{color:#98a2b3;background:#f9fafb;border-right:1px solid #eaecf0}.symbol{font-weight:900}.diff-line code{overflow-wrap:anywhere;white-space:pre-wrap;padding:8px 11px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11px;line-height:1.55}.line-label{color:#98a2b3}.diff-line.added{background:#ecfdf3}.diff-line.added .symbol{color:#067647}.diff-line.removed{background:#fef3f2}.diff-line.removed .symbol{color:#b42318}.diff-line.same{background:#fff}.message{color:#067647;background:#ecfdf3;border-radius:8px;margin-top:10px;padding:9px;font-size:10px;font-weight:750}.quick-answer{border-left:4px solid #ff6900;margin-top:24px;padding:24px}.quick-answer>span{color:#ff6900;font-size:10px;font-weight:800}.quick-answer h2{margin:5px 0 8px}.quick-answer p,.seo-content p{color:#475467;line-height:1.75}.quick-answer p{margin:0}.seo-content{margin-top:15px;padding:27px}.seo-content h2{margin:25px 0 8px;font-size:20px}.seo-content h2:first-child{margin-top:0}.seo-content p{margin:0;font-size:14px}.privacy{gap:10px;margin-top:15px;padding:15px;display:flex}.privacy>div{color:#067647;background:#ecfdf3;border-radius:9px;place-items:center;width:30px;height:30px;font-weight:900;display:grid}.privacy p{margin:0}.privacy strong,.privacy span{display:block}.privacy span{color:#667085;margin-top:3px;font-size:11px}@media (width<=760px){.editors{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}textarea{min-height:280px}.diff-line{grid-template-columns:34px 25px minmax(0,1fr)}.line-label,nav a:first-child{display:none}}