.head {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    background-color: transparent;
    /*box-shadow: 0 0 4px rgba(0, 0, 0, 0.25);*/
    margin: 0 auto;
    text-align: center;
    line-height: 67px;
    white-space: nowrap;
    z-index: 99;
    transition: all .5s;
}

.head-content {
    margin: 0 auto;
    max-width: 1370px;
    padding: 0 20px;
}

.head-title {
    color: #474E5D;
    /*color: white;*/
    cursor: pointer;
    /*font-weight: bold;*/
    margin:  0 15px;
    font-size: 16px;
}

.head-title:hover {
    color: #7a46fc;
}

.head-login, .head-login1 {
    width: 130px;
    line-height: 41px;
    height: 41px;
    background: #2B60EB;
    border-radius: 21px;
    color: #FFFFFF;
    cursor: pointer;
}

.head-login1 {
    display: none;
}

.head-login1 img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    border-radius: 13px;
}

.sub-menu {
    position: absolute;
    background: #fff;
    min-width: 130px;
    border-radius: 8px;
    margin-left: -120px;
    box-shadow: 0 4px 36px 0 rgba(0, 0, 0, .26);
    opacity: 0;
    visibility: hidden;
    padding: 10px 20px;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.head-index-item {
    line-height: 22px;
    text-align: left;
    margin: 8px 0;
    padding: 8px 10px;
    border-radius: 8px;
}

.head-index-item:hover {
    background-color: #f4f9ff;
}

.head-index-item-icon img {
    width: 28px;
    height: 28px;
}

.head-index-item-content {
    margin-left: 12px;
}

a, a:visited {
    color: #474E5D;
}

.head-index-item-content-title {
    display: block;
    font-weight: 500;
    font-size: 16px;
    color: #333333;
}

a.head-index-item-content-desc, a.head-index-item-content-desc:visited {
    color: #A3A3A3;
}

.head-index-item-content-desc {
    margin-top: 6px;
    font-weight: 500;
    font-size: 14px;
    color: #A3A3A3;
}