圆形导航,略有瑕疵

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				<li id="li1">唐三藏</li>
				<li id="li2">孙悟空</li>
				<li id="li3">猪八戒</li>
				<li id="li4">沙和尚</li>
				<li id="li5">白龙马</li>
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12-28 05:20