<div class="panel">
    <div class="panel-header">
        <h3 class="panel-title">API 位置與商家資料</h3>
    </div>
    <div class="panel-box">
        <div class="ctrl-grp columns-12">
            <label class="ctrl-label col-3">LINE Pay API Server</label>
            <div class="ctrls col-9">
                <input type="text" class="ctrl-input" name="apiEndpoint" value="https://sandbox-api-pay.line.me/v2/payments/" required>
            </div>
        </div>
        <div class="ctrl-grp columns-12">
            <label class="ctrl-label col-3">商家 ID</label>
            <div class="ctrls col-9">
                <input type="text" class="ctrl-input" name="channelId" value="" required>
            </div>
        </div>
        <div class="ctrl-grp columns-12">
            <label class="ctrl-label col-3">商家密鑰</label>
            <div class="ctrls col-9">
                <input type="text" class="ctrl-input" name="channelSecret" value="" required>
            </div>
        </div>
    </div>
</div>