.top {
    height: 120px;
    overflow: hidden;
    position: relative;
}
.top img {
    height: 120px;  /* 图片与容器高度一致，不让父容器截取显示 */
    position: absolute;
    left: 50%;  /* 居中 */
    transform: translateX(-50%);
}

.header {
    height: 40px;
    line-height: 40px;
    font-size: 13px;
    background-color: #333;
}

.header ul li {
    float: left;
}

.header ul li a {
    color: #b0b0b0;
}

.header ul li span {
    margin: 0 3.6px;
    color: #424242;
}

.nav {
    height: 100px;
}

.nav .nav-logo  {
    margin-left: 135px;
    height: 100px;
}

.nav .nav-logo img {
    width: 101px;
    height: 51px;
    margin-top: 24px;
    margin-bottom: 25px;
}

.nav .nav-list {
    height: 100px;
}

.nav .nav-list ul li {
    width: 140px;
    float: left;
    font-size: 20px;
    text-align: center
}

.nav .nav-list ul li a {
    display: block;
    height: 100px;
    line-height:100px;
    color: #000000;
    background-color: #F5F5F5;
}

.nav .nav-list ul li .nav-active {
    color: #FFFFFF;
    background-color: #376F28;
}
/* .nav .nav-list ul li a:hover{
    color: #FFFFFF;
    background-color: #376F28;
} */

.content {
    width: 100%;
}

.footer {
    height: 100px;
    padding-top: 50px;
    color: #FFFFFF;
    background-color: #3B3B3B;
}