ul { list-style: none; margin: 0px auto; padding: 0px; border: 0px currentColor; border-image: none; font-style: normal;} h3 { list-style: none; margin: 0px auto; padding: 0px; border: 0px currentColor; border-image: none; font-style: normal;} a:link { color: rgb(49, 49, 49); text-decoration: none; cursor: pointer;} .headernav #fixed-logo { display: none;} .nav { transition:0.3s; width: 1239px; height: 52px; border-left-color: rgb(231, 231, 231); border-left-width: 1px; border-left-style: solid; position: relative; z-index: 100; min-width: 1239px; box-sizing: border-box; -webkit-text-size-adjust: none;} .nav a { color: rgb(0, 0, 0);} .nav .nLi { float: left; display: inline; position: relative;} .nav .nLi h3 { font: 15px/52px Microsoft YaHei; width: 136px; height: 52px; text-align: center; border-right-color: rgb(231, 231, 231); border-right-width: 1px; border-right-style: solid; float: left; font-size-adjust: none; font-stretch: normal;} .nav .nLi h3 a { display: block;} .nav .sub { font: 13px/38px 微软雅黑; top: 52px; display: none; position: absolute; font-size-adjust: none; font-stretch: normal;} .nav .sub a { width: 136px; text-align: center; color: rgb(255, 255, 255); display: block; background-color: rgba(0, 75, 150, 0.9);} .nav .sub a:hover { background: rgb(0, 60, 140); color: rgb(255, 255, 255);} .nav .on h3 a { background: rgb(0, 64, 152); color: rgb(255, 255, 255);}