le>
</head>
<body>
    <div class="bento-grid">
        <div class="bento-box main-countdown-box">
            <h2>下次刷新倒计时</h2>
            <span id="countdownDisplay" class="countdown-timer">--:--:--</span>
        </div>

        <div class="bento-box next-refresh-box">
            <h2>预计下次刷新</h2>
            <p><span id="nextRefreshTimeDisplay" class="accent-text">正在计算...</span><br><span class="text-sm">(北京时间)</span></p>
        </div>

        <div class="bento-