.header {
     width: 100%;
     min-width: 1200px;
     position: fixed;
     top: 0;
     left: 0;
     z-index: 99;
     padding: 20px 0;
     transition: all 0.6s ease;
     background-color: rgba(0, 0, 0, 0);
     /* background-color: rebeccapurple; */
 }

 body {
     min-width: 1200px;
 }

 .headerLogo a {
     display: block;
     width: 240px;
     height: 50px;
     background: url(/skin/images/logo.png) center center no-repeat;
     transition: all 0.6s ease;
 }

 .header .nav .nLi {
     display: inline-block;
     margin-left: 50px;
     position: relative;
 }

 .header .nav .nLi h3 {
     padding: 17px 0 23px;
     box-sizing: border-box;
     position: relative;
 }

 .header .nav .nLi h3 a {
     display: block;
     line-height: 16px;
     font-size: 16px;
     color: #fff;
     font-weight: normal;
     transition: all 0.6s ease;
 }

 .header .nav .nLi:hover h3 a {
     color: #007440;
 }

 .header .nav .nLi h3::after {
     content: '';
     width: 30px;
     height: 14px;
     background: url(/skin/images/nav-icon.png) center center no-repeat;
     position: absolute;
     bottom: 3px;
     left: 0;
     right: 0;
     margin: auto;
     opacity: 0;
     transition: all 0.6s ease;
 }

 .header .nav .nLi:hover h3::after {
     opacity: 1;
 }
 

 /* 头部滚动变换样式 */
 .is-fixed {
     background-color: rgba(255, 255, 255, 0.8);
 }
 .is-fixed .nav .nLi h3 a {
    display: block;
    line-height: 16px;
    font-size: 16px;
    color: rgb(0, 0, 0);
    font-weight: normal;
    transition: all 0.6s ease;
}
.is-fixed .headerLogo a {
    display: block;
    width: 240px;
    height: 50px;
    background: url(/skin/images/logo1.png) center center no-repeat;
    transition: all 0.6s ease;
}
/* 结束 */

/* 绿色下划线 */
.cp {
    display: inline-block;
    margin-left: 50px;
    position: relative;

}

.cp h3 {
    padding: 17px 0 23px;
    box-sizing: border-box;
    position: relative;
}

.cp h3 a {
    display: block;
    line-height: 16px;
    font-size: 16px;
    color: #01884c;
    font-weight: normal;
    transition: all 0.6s ease;
}

.cp h3 a::after {
    content: '';
    width: 30px;
    height: 14px;
    background: url(/skin/images/nav-icon.png) center center no-repeat;
    position: absolute;
    bottom: 3px;
    left: 0;
    right: 0;
    margin: auto;
    opacity: 1;
    transition: all 0.6s ease;
}