基于 jQuery 实现垂直滑动的手风琴效果

<div id="va-accordion" class="va-container">
    <div class="va-nav">
        <span class="va-nav-prev">Previous</span>
        <span class="va-nav-next">Next</span>
    </div>
    <div class="va-wrapper">
        <div class="va-slice va-slice-1">
            <h3 class="va-title">Marketing</h3>
            <div class="va-content">
                <p>Henry Watson</p>
                <ul>
                    <li><a href="#">About</a></li>
                    <li><a href="#">Portfolio</a></li>
                    <li><a href="#">Contact</a></li>
                </ul>
            </div>
        </div>
        <div class="va-slice va-slice-2">
            ...
        </div>
    </div>
</div>

$('#va-accordion').vaccordion({
    accordionW      : $(window).width(),
    accordionH      : $(window).height(),
    visibleSlices   : 5,
    expandedHeight  : 450,
    animOpacity     : 0.1,
    contentAnimSpeed: 100
});