body {
    margin: 0 0;    
}

.arch {
    display: block;
    background-color: #fff;
}

img {
    width: 100%;
}

.header {
    display: block;
    height: 90px;
    width: 100%;
    font-size: 0;
    margin-bottom: 10px;
}

.nav {
    display: block;
    height: 90px;
    font-size: 0;
    width: 1190px;
    position: fixed;
    left: 0;
    right: 0;
    margin: auto;
    background-color: #fff;
    z-index: 9999;
    /* box-shadow: 0 3px 3px #ccc; */
}

.nav .menu_nav {
    width: 1090px;
    left: 0;
    right: 0;
    margin: auto;
}

.nav ul {
    list-style-type: none;
    /* background-color: rgba(135, 206, 235, 0.6);
    border-top: 1px solid rgb(135, 206, 235);
    border-bottom: 1px solid rgb(135, 206, 235); */
}

.nav ul li {
    display: inline;
    margin: 0 5px;
}

.nav .menu_nav .menulogo {
    display: flex;
    width: 100%;
    height: 45px;
    margin-bottom: 0;
} 

.nav .menu_nav .menu {
    display: flex;
    height: 45px;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
}

.logo {
    width: 343px;
    float: left;
    /* margin: 5px 5px 10px 50px; */
}

.logo img {
    margin-left: -20px;
}

/* .nav .menu ul:nth-child(1) {
    padding-left: 30px;
}

.nav .menu ul:nth-last-child(1) {
    padding-right: 30px;
} */

.nav .menu .active {
    color: rgb(24, 11, 124);
    border-bottom: 2px solid  rgb(24, 11, 124);
}

.nav .menu .menuitem {
    margin: 0 20px;
}

a {
    position: relative;    
    font-size: 16px; 
    font-weight: 400;
    padding: 0 10px;    
}

a:link {
    text-decoration: none;    
    color: rgb(34, 31, 31);
}

a:visited {
    color: rgb(37, 36, 36);         
}

a:hover {
    color: rgb(43, 84, 100);
    top: 2px;
}

.bottom {
    position: relative;
    width: 100%;
}

.bottom .record {     
    position: absolute;
    border-top: 1px solid #fff;
    color: #fff;
    width: 100%;
    bottom: 20px;
    text-align: center;      
    padding-top: 10px;
}

.bottom .record a:link {
    color: #fff;
}

.bottom .record a:visited {
    color: #fff;
}

.bottom .record a:hover {
    text-decoration: underline;
    top: 0;
}