zc100/template/pc-bak2/common/other/background.htm

<div id="bg_1"></div>
<div id="bg_2"></div>
<div id="bg_3"></div>

{eyou:if condition='($page == "index")'}
<div id="bg_4"></div>
{/eyou:if}

{eyou:if condition='($page == "lunwen-list")'}
<div id="bg_4" style="top: 2660.87px;"></div>
<div id="bg_5" style="top: 2673px;"></div>
{/eyou:if}