.phonenav{idth: 100%;display: block;}
.m_nav_main {width: 100%;height: 100%;counter-reset: navCounter;}
.m_nav_main ul {width: 90%;padding: 8px 5%;margin:0;}
.m_nav_main li {position: relative;list-style:none;border-bottom: 1px solid rgba(255,255,255,.3);}
.m_nav_main li>a{display:block;font-size: 16px;color: #333;line-height: 45px;background-color: #eee;}

.m_nav_main li.cur>a{color: #fff;background-color: #0f65d5;}



.m_nav_main li:hover .se-nav{display:block;}
.m_nav_main li:hover a.cura{background-color: #0f65d5;color: #fff;}



.se-nav{display:none;padding-bottom: 10px;}
.se-nav>a{font-size: 15px;color: #333;display:block;line-height: 35px;    background-color: #ccc;margin: 1px 0;padding-left: 20px;}
.se-nav>a:hover,.se-nav>a.hover{background-color: #3f85e0;color:#fff;}

.m_nav_main li.cur .se-nav{display:block;}

.m_nav_main li.cur>a .r_arrow:after,.m_nav_main li:hover a .r_arrow:after{color: #fff;}
.r_arrow:after{content: "+";display: inline-block;position: absolute;transition: transform 0.3s;-o-transition: transform 0.3s;-ms-transition: transform 0.3s;-moz-transition: transform 0.3s;-webkit-transition: transform 0.3s;top: 0px;padding: 0;color: #333;font-size: 18px;font-style: normal;right:5px;}