.header{
    display: flex;
    justify-content: space-between;
    padding: 20px 0px;
    position: relative;
}
.header .logo{
    width: 240px;
}
.header .logo img{
    width: 100%;
}
.header .search{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}
.header .search .int{
    margin-left: 0px;
    padding: 5px;
    border-bottom-left-radius: 5px;
    border-top-left-radius: 5px;
    height: 40px;
    border: 2px solid #29a7e1;
    width: 350px;
    border-right: none;
    margin-right: -12px;
    vertical-align: top;
}
.header .search .btn{
    background-color: #29a7e1;
    padding: 9px 20px;
    border-bottom-right-radius: 5px;
    height: 40px;
    border-top-right-radius: 5px;
    margin-left: 0px;
    border: 2px solid #29a7e1;
    color: #fff;
}
.header .login{
    position: absolute;
    right: 0px;
    top: 5px;
}
.header .tel{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}
.header .tel i{
    width: 40px;
    display: block;
    overflow: hidden;
}
.header .tel span{
    color: #666;
    font-size: 26px;
    margin-left: 10px;
}

/* 导航 */
.nav{
    background: #29a7e1;
}
.nav ul{
    display: flex;
    justify-content: space-between;
}
.nav ul li{
    line-height: 25px;
    text-align: center;
    flex: 1;
    padding: 10px 0px;
}
.nav ul li a{
    display: block;
    color: #fff;    
    font-size: 16px;
}
.nav ul li a:hover{
    opacity: .8;
}



/* 尾部 */
.footer{
    font-size: 12px;
    text-align: center;
    margin-top: 30px;
    line-height: 200%;
}