.copy-badge{cursor:pointer;z-index:10;background:#f0f0f0;border:1px solid #ddd;border-radius:12px;align-items:center;gap:4px;padding:4px 10px;font-size:13px;transition:all .2s;display:flex;position:absolute;top:8px;right:12px}.copy-badge:hover{background:#e2e2e2}.tool-container{width:100%;margin-top:20px}.tool-container h1{margin-bottom:8px;font-size:32px;font-weight:700}.tool-subtitle{color:#444;max-width:760px;margin-bottom:20px;font-size:16px}.json-input{resize:vertical;background:#fafafa;border:1px solid #ccc;border-radius:6px;width:100%;min-height:160px;padding:12px;font-family:monospace}.btn-row{gap:12px;margin-top:14px;display:flex}.btn-format,.btn-beautify{cursor:pointer;border:none;border-radius:6px;padding:10px 20px;font-size:14px;font-weight:600}.btn-format{color:#fff;background:#004aad}.btn-format:hover{background:#00398a}.btn-beautify{color:#fff;background:#2b7a2b}.btn-beautify:hover{background:#226322}.json-error{color:#d8000c;background:#ffecec;border-left:4px solid #d8000c;border-radius:6px;margin-top:14px;padding:10px;font-weight:500}.output-wrapper{margin-top:22px;position:relative}.json-output-block{color:#f1f1f1;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;background:#1e1e1e;border:1px solid #444;border-radius:8px;margin-top:16px;padding:16px;font-family:monospace;font-size:14px;line-height:1.45;overflow-x:auto}.image-preview{justify-content:center;margin-top:10px;margin-bottom:20px;display:flex}.image-preview img{background:#fff;border:1px solid #ddd;border-radius:10px;max-width:100%;max-height:400px;padding:4px;box-shadow:0 2px 5px #0000001a}.binary-select-wrapper{align-items:center;gap:12px;margin-top:12px;display:flex}.binary-label{color:#333;font-size:15px;font-weight:600}.binary-select{cursor:pointer;border:1px solid #ccc;border-radius:6px;padding:8px 12px;font-size:14px}.seo-section{background:#f8f9fc;border:1px solid #e3e6ef;border-radius:10px;margin-top:40px;padding:22px}.seo-section h2{margin-bottom:8px;font-size:24px;font-weight:700}.seo-section h3{margin-top:22px;margin-bottom:6px;font-size:18px;font-weight:600}.seo-section p,.seo-section ul{color:#444;line-height:1.65}.seo-section li{margin-bottom:6px;margin-left:20px}.seo-section pre{background:#eee;border-radius:6px;padding:10px;font-size:14px;overflow-x:auto}@media (max-width:700px){.json-input{min-height:130px;font-size:14px}.btn-row{flex-direction:column}.btn-format,.btn-beautify{text-align:center;width:100%}.json-output-block{padding:12px;font-size:13px}.image-preview img{max-height:260px}.seo-section{padding:16px}.seo-section h2{font-size:20px}}