.header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 56px;
    line-height: 56px;
    z-index: 100;
    box-sizing: border-box;
}
.header.active {
    background: #2b333b;
}
.header .logo {
    margin-right: 172px;
    margin-left: 40px;
}
.header .logo .logo-img {
    display: inline-block;
    vertical-align: middle;
    width: 22px;
    height: 22px;
    margin-right: 8px;
    background-size: 100% 100%;
    border-radius: 2px;
}
.header .logo h3 {
    display: inline-block;
    font-size: 16px;
    color: #fff;
}
.header .list li {
    float: left;
    margin-right: 56px;
    font-size: 14px;
    color: #ffffff;
    opacity: 0.6;
    cursor: pointer;
}
.header .list li a {
    display: block;
    color: #ffffff;
}
.header .list li.active,
.header .list li:hover {
    opacity: 1;
}
.header .login {
    margin-top: 14px;
    margin-right: 40px;
}
.header .login li {
    float: left;
    width: 48px;
    height: 24px;
    line-height: 24px;
    border-radius: 2px;
    font-size: 12px;
    color: #ffffff;
    text-align: center;
    border: 1px solid #d9dde1;
    cursor: pointer;
}
.header .login li:last-of-type {
    margin-left: 20px;
    border-color: transparent;
}