.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-page{max-width:880px;margin:0 auto;padding:40px 20px}.tool-page h1{margin-bottom:10px;font-size:32px;font-weight:800}.tool-subtitle{color:#555;margin-bottom:20px;font-size:17px}.tool-input{resize:vertical;background:#fafafa;border:1px solid #ccc;border-radius:8px;width:100%;min-height:140px;margin-bottom:18px;padding:14px;font-family:monospace}.select-row{align-items:center;gap:12px;margin-bottom:18px;display:flex}.hash-select{border:1px solid #bbb;border-radius:6px;padding:8px 12px}.btn-primary{color:#fff;cursor:pointer;background:#004aad;border:none;border-radius:6px;padding:10px 18px;font-weight:600}.btn-primary:hover{background:#00398a}.error-box{color:#c00;background:#ffecec;border-left:4px solid #c00;border-radius:8px;margin-bottom:20px;padding:12px;font-weight:500}.output-wrapper{margin-bottom:30px;position:relative}.output-box{color:#f1f1f1;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;background:#1e1e1e;border:1px solid #444;border-radius:8px;padding:15px;font-family:monospace;overflow-x:auto}.seo-section{background:#f8f9fc;border:1px solid #e4e6ee;border-radius:12px;margin-top:40px;padding:22px}.seo-section h2{margin-bottom:12px;font-size:24px}.seo-section h3{margin-top:18px;margin-bottom:8px;font-size:18px}.seo-section ul{margin-left:20px}.seo-section li{margin-bottom:6px}@media (max-width:700px){.select-row{flex-direction:column;align-items:stretch}.btn-primary{width:100%}}