之前的一篇文章介紹這種效果的實現，但實現代碼太過繁瑣，所以在這裡分享以下簡化版的實現方法，有需要的可以參考學習。
原文章請點擊這裡
簡化版完整執行個體
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>CSS3扇形動畫菜單</title><style>*{padding: 0; margin: 0;}body{background:#b1b1b1;margin:0px;padding:0px;font-size:14px;color:#000;}.menuHolder {width:100px; height:100px; margin:0 0 250px 0; position:relative;z-index:100;}.menuHolder ul {padding:0px; margin:0; list-style:none; position:absolute; left:0; top:0; width:0; height:0;}/*.menuHolder ul li {border-radius:0 0 300px 0; width:0; height:0;}*/.menuHolder ul li a {color:#000; text-decoration:none; font:bold 13px/30px arial, sans-serif; text-align:center; box-shadow:-5px 5px 5px rgba(0,0,0,0.4);transform-origin:0 0;}.menuHolder ul.p1 li {position:absolute; left:0; top:0;}.menuHolder ul.p2 {z-index:-1;}.menuHolder ul.p3 {z-index:-1;}/*畫第一個圓圈*/.menuHolder li.s1 > a {position:absolute; display:block; width:100px; height:100px; background:#c8c8c8; border-radius:0 0 100px 0;}/*畫第二個圓圈*/.menuHolder li.s2 > a {position:absolute; display:block; width:100px; padding-left:100px; height:200px; background:#ddd; border-radius:0 0 200px 0;}/*畫第三個圓圈*/.menuHolder ul.p3 li a {position:absolute; display:block; width:100px; padding-left:200px; height:300px; background:#999; border-radius:0 0 300px 0;}/*把第二第三個圓隱藏到角落裡去，讓視角看不到*/.menuHolder ul ul {transform-origin:0 0;transform:rotate(90deg);transition:1s;}/*繪製第二層的菜單*/.menuHolder li.s2:nth-of-type(6) > a {background:#888;transform:rotate(75deg);}.menuHolder li.s2:nth-of-type(5) > a {background:#999;transform:rotate(60deg);}.menuHolder li.s2:nth-of-type(4) > a {background:#aaa;transform:rotate(45deg);}.menuHolder li.s2:nth-of-type(3) > a {background:#bbb;transform:rotate(30deg);}.menuHolder li.s2:nth-of-type(2) > a {background:#ccc;transform:rotate(15deg);}/*繪製聯絡的子功能表*/.menuHolder .a6 li:nth-of-type(6) > a {background:#444;transform:rotate(75deg);}.menuHolder .a6 li:nth-of-type(5) > a {background:#555;transform:rotate(60deg);}.menuHolder .a6 li:nth-of-type(4) > a {background:#666;transform:rotate(45deg);}.menuHolder .a6 li:nth-of-type(3) > a {background:#777;transform:rotate(30deg);}.menuHolder .a6 li:nth-of-type(2) > a {background:#888;transform:rotate(15deg);}/*繪製銷量的子功能表*/.menuHolder .a5 li:nth-of-type(5) > a {background:#555;transform:rotate(72deg);}.menuHolder .a5 li:nth-of-type(4) > a {background:#666;transform:rotate(54deg);}.menuHolder .a5 li:nth-of-type(3) > a {background:#777;transform:rotate(36deg);}.menuHolder .a5 li:nth-of-type(2) > a {background:#888;transform:rotate(18deg);}/*繪製服務、商店、聯絡我們的子功能表*/.menuHolder .a3 li:nth-of-type(3) > a {background:#777;transform:rotate(60deg);}.menuHolder .a3 li:nth-of-type(2) > a {background:#888;transform:rotate(30deg);}/*滑鼠滑過第一層菜單展開第二層菜單*/.menuHolder li.s1:hover ul.p2 {transform:rotate(0deg);}/*滑鼠滑過第二層菜單展開第三層菜單*/.menuHolder li.s2:hover ul.p3 {transform:rotate(0deg);}/*滑鼠滑過改變背景顏色和文字顏色*/.menuHolder ul li:hover > a {background:#f00; color:#fff;}.menuHolder li.s2:hover > a {background:#d00; color:#fff;}.menuHolder .a6 li:hover > a {background:#b00; color:#fff;}.menuHolder .a5 li:hover > a {background:#b00; color:#fff;}.menuHolder .a3 li:hover > a {background:#b00; color:#fff;}</style></head><body><p class="menuHolder"><p class="menuWindow"><ul class="p1"><li class="s1"><a href="#url">導覽功能表</a><ul class="p2"><li class="s2"><a href="#"><span>首頁</span></a></li><li class="s2"><a href="#url"><span>服務</span></a><ul class="p3 a3"><li><a href="#">列印</a></li><li><a href="#">編輯</a></li><li><a href="#">保管</a></li></ul></li><li class="s2"><a href="#url"><span>聯絡</span></a><ul class="p3 a6"><li><a href="#">支援</a></li><li><a href="#">銷售</a></li><li><a href="#">購買</a></li><li><a href="#">攝影師</a></li><li><a href="#">零售商</a></li><li><a href="#">常規</a></li></ul></li><li class="s2"><a href="#url"><span>商店</span></a><ul class="p3 a3"><li><a href="#">南區</a></li><li><a href="#">北區</a></li><li><a href="#">中心區</a></li></ul></li><li class="s2"><a href="#url"><span>聯絡我們</span></a><ul class="p3 a3"><li><a href="#">郵箱</a></li><li><a href="#">郵遞</a></li><li><a href="#">電話</a></li></ul></li><li class="s2 b6"><a href="#url"><span>銷量</span></a><ul class="p3 a5"><li><a href="#">數位單反機身</a></li><li><a href="#">鏡頭</a></li><li><a href="#">閃光槍</a></li><li><a href="#">三角架</a></li><li><a href="#">過濾器</a></li></ul></li></ul></li></ul></p></p></body></html>
如下：
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