.tool-form{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.08);margin-bottom:20px}.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:500;margin-bottom:8px;color:#333}.form-group input{width:100%;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:border-color .2s ease}.form-group input:focus{outline:none;border-color:#0056b3;box-shadow:0 0 0 3px rgba(0,86,179,.1)}.container{padding:20px 16px;flex:1}.breadcrumb{font-size:14px;color:#666}.btn{width:100%;padding:14px;background:#0056b3;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:background .2s ease}.btn:hover{background:#004494}.btn:active{transform:translateY(1px)}.result{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.08);text-align:center;display:none}.result h3{color:#0056b3;margin-bottom:20px;font-size:18px}.result-item{background:#f8f9fa;padding:16px;margin:12px 0;border-radius:8px;border-left:4px solid #0056b3}.result-item strong{color:#333}.result-item .value{font-size:18px;font-weight:600;color:#0056b3;margin-left:8px}@media (max-width:480px){.container{padding:16px 12px}.tool-form{padding:20px 16px}.result{padding:20px 16px}}