nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: #fff;
    text-align: center;
    font-size: 14px;
    z-index: 10;
}

nav .container {
    position: relative;
    width: 1260px;
}

nav .left {
    position: absolute;
    top: 21px;
    left: 61px;
}

nav .center {
    position: absolute;
    top: 33px;
    left: 423px;
}
nav .center .nav-list {
    /*display: flex;*/
}
nav .center .nav-list .show-product:hover .nav-sub-list {
    display: flex;
}
nav .center .nav-list .nav-item {
    /*position: relative;*/
    /*width: 96px;*/
    /*height: 44px;*/
    float: left;
    margin-right: 20px;
    margin-left: 20px;
    padding-bottom: 30px;
}
nav .center .nav-list .nav-item .nav-sub-list {
    position: absolute;
    top: 47px;
    left: -183px;
    /*display: flex;*/
    display: none;
    width: 705px;
    padding: 25px;
    background: #fff;
    border-radius: 5px;
    text-align: left;
    box-shadow: 0 0 16px 0 rgba(116, 116, 116, 0.38);
}
nav .center .nav-list .nav-item .nav-sub-list .one {
    width: 298px;
}
nav .center .nav-list .nav-item .nav-sub-list .two {
    width: 198px;
}
nav .center .nav-list .nav-item .nav-sub-list .three {
    width: 198px;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item .h1 {
    margin-bottom: 20px;
    color: #84919c;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item li {
    line-height: 33px;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item li a {
    display: inline-block;
    width: 100%;
    height: 100%;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item .icon-rhombus {
    position: relative;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item .icon-rhombus a {
    padding-left: 27px;
    width: 271px;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item .icon-rhombus a:before {
    content: '';
    background: url(../image/menu.png) no-repeat center;
    width: 12px;
    height: 12px;
    position:absolute;
    top: 12px;
    left: 0;
}
nav .center .nav-list .nav-item .nav-sub-list .nav-sub-item li a:hover {
    background: #ebf2fc;
}
nav .center .nav-list .nav-item .nav-sub-list .blue-border {
    margin-left: 20px;
    margin-right: 20px;
    height: 100%;
    border-left: 1px solid #1b3a6e40;
}
nav .center .nav-list .nav-item:hover {
    /*border-bottom: 3px solid #0782d5;*/
}
nav .active {
    border-bottom: 3px solid #3466f6;
}
nav .right {
    position: absolute;
    top: 25px;
    left: 1107px;
    border: 1px solid #459ad3;
    height: 30px;
    width: 86px;
    border-radius: 3px;
}
nav .right a {
    line-height: 30px;
    font-size: 14px;
    color: #459ad3;
}
nav .right:hover {
    background: #3466f6;
}
nav .right:hover a {
    color: #fff;
}