* {
    margin: 0;
    padding: 0;
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
}

.header {
    width: 100%;
    height: auto;
    background: url(../images/jiweibiej.png) no-repeat;
    background-size: cover;
}

.jwbz {
    width: 60%;
    margin: 0 auto;
    padding-top: 90px;
    padding-bottom: 90px;
}

.nav {
    width: 100%;
    background-color: #2B66B4;
}

.nav ul {
    width: 100%;
    /* margin: 0 auto; */
    display: flex;
    padding-top: 15px;
    padding-bottom: 15px;

    justify-content: space-around;

}

form.search {
    float: right;
    margin-right: 30px;
    position: relative;
    width: 206px;
    height: 38px;
    background: #FFFFFF;
    border-radius: 19px;
    
  
}

form.search input.a {
    height: 39px;
    width: 112px;
    padding-left: 52px;
    padding-right: 39px;
    border: none;
    outline: none;
    border-radius: 20px;
    
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    color: #2B66B4;
    
}

form.search input.btn {
    position: absolute;
    display: block;
    left: 16px;
    top: 31%;
    width: 17px;
    background: none;
    border: none !important;
    outline: none !important;
    background: url(../images/sousow.png);
}

.nav ul li a {

    font-family: Source Han Serif CN;
    font-weight: bold;
    font-size: 22px;
    color: #FFFFFF;

}