html,body{margin: 0;padding: 0;}
/* body设置最大宽度并居中防止4K屏 */
body{max-width: 1920px;margin: 0 auto;font-family: "微软雅黑",arial,helvetica,sans-serif,"宋体"; font-size: 16px; color:#333;}
a{text-decoration: none;}
ul,h1,h2,h3,h4,h5{list-style: none;padding: 0;margin: 0;}
.fl{float: left;}
.fr{float: right;}
.clearfix{clear: both;}

/* 导航 */
.headbox{width: 100%;min-width:1360px;height: 182px;background:#fff;}
.p-logo{margin-top: 26px;margin-left:3%;float: left;}
.navbox{font-size:29px;float:right;margin-top:110px;margin-right: 30px;}
.navbox li{float:left;position: relative;}
.navbox li a{color:#3c3c3c;font-weight: 500; padding: 0 32px;}
.navbox li a:hover{color:#539100;}
  /* 二级 */
.secondnav{position: absolute;z-index: 999;top:36px;left:0;display: none;padding-top: 20px;}
.navbox li .seconditem{display:block;height: 60px;line-height: 60px; font-size: 18px;font-weight: 500;color:#3c3c3c;text-align: left;padding: 0 30px;box-sizing: border-box;white-space: nowrap;
        background-color:#fff;}
.navbox li:hover .secondnav{display: block;}


.cooper{margin-top:7%;width: 100%;min-width:1360px;margin-bottom:50px;}
.cooper img{width: 100%;height:auto}

.foorbox{width: 100%;min-width:1360px;height: 120px;background: #f0f0f0;text-align: center;box-sizing: border-box;padding-top: 30px;}
.foorbox a{color:#1c94ce;text-decoration: underline;}