#db-linear-tool{border:1px solid #ccc;padding:1em;margin-bottom:1em;max-width:500px;background:#f9f9fc;border-radius:8px;font-size:1em}#db-linear-tool label{display:inline-block;min-width:80px}#db-linear-tool input[type=number]{width:120px;padding:.2em .4em;font-size:1em;border:1px solid #bbb;border-radius:4px;margin-left:.2em}#db-linear-tool button{padding:.3em 1.2em;font-size:1em;border:none;border-radius:4px;background:#4a90e2;color:#fff;cursor:pointer;margin-top:.5em}#db-linear-tool button:hover{background:#357ab8}#db-linear-result{margin-top:.7em;color:#333;min-height:1.5em}