#form {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

/* Clearfix and tian class styling */
.clearfix.tian {
    margin-bottom: 20px;
}
.main_table_title_span.set_left {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.adapter {
    display: block;
    width: 100%;
}

.easyui-combobox {
    width: 100% !important;
    height: 40px !important;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
    font-size: 16px;
}

.submit_div {
    text-align: center;
    margin-top: 30px;
}

input[type="submit"] {
    background-color: #587ed1;
    border: none;
    color: #FFF;
    padding: 12px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

input[type="submit"]:hover {
    background-color: #4a6cb3;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media (max-width: 480px) {
    #form {
        padding: 10px;
    }

    .easyui-combobox {
        height: 36px !important;
        font-size: 14px;
    }

    input[type="submit"] {
        padding: 10px 20px;
        font-size: 14px;
    }
}