 | label should not overflow ec container</h1>
        <div class="chart" id="label-rotate"></div>
        <h1>two value axes | snap | grid.tooltip setting | snap has animation </h1>
        <div class="chart" id="two-value-axes"></div>
        <h1>label style and formatter</h1>
        <div class="chart" id="label-style"></div>
        <h1>dual yAxes | label color auto : the same as axisline</h1>
        <div class="chart" id="dual-yAxes"></div>
        <h1>dual xAxes | label color auto : the same as axisl