<div class="options-settings-section">
    <p class="options-settings-hint">主账户资金账户:USDT ↔ USDC 现货市价单.</p>
    <div class="form-row settings-transfer-form options-settings-row">
        <select id="opt-set-swap-dir" aria-label="兑换方向">
            <option value="usdt_to_usdc" selected>USDT → USDC</option>
            <option value="usdc_to_usdt">USDC → USDT</option>
        </select>
        <input type="number" id="opt-set-swap-amount" min="0.01" step="0.01" placeholder="数量">
        <button type="button" class="btn-secondary btn-sm" id="opt-set-swap-all-btn">全部兑换</button>
        <button type="button" class="btn-primary btn-sm" id="opt-set-swap-btn">市价兑换</button>
    </div>
    <div id="opt-set-swap-msg" class="options-settings-msg muted"></div>
</div>
