img {
    max-width: 100%;
    height: auto;
}

#logo {
    width: auto;
    -webkit-transition: all .4s ease-in-out;
    transition: all .4s ease-in-out;
    margin-bottom: 0;
    max-height: 85%;
    display: inline-block;
    float: none;
    vertical-align: middle;
}

.on-scroll #logo {
    max-height: 65%;
}

.fly-nav {
    position: relative;
    display: flex;
    justify-content: space-between;
}

.fly-nav-brand {
    position: relative;
    display: inline-block;
    *display: inline;
    *zoom: 1;
    vertical-align: middle;
    margin-right: 2rem;

}

.un-scroll .fly-nav-brand {
    height: 82px;
    line-height: 82px;
}

.on-scroll .fly-nav-brand {
    height: 62px;
    line-height: 62px;
}

.fly-nav-brand a {
    font-size: 15px;
    color: #2688d3;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.un-scroll .fly-nav-brand a {
    height: 82px;
}

.on-scroll .fly-nav-brand a {
    height: 62px;
}

.fly-nav-bar {
    position: relative;
    box-sizing: border-box;
    display: inline-block;
}

.fly-nav-bar .fly-nav-item {
    position: relative;
    display: inline-block;
    *display: inline;
    *zoom: 1;
    vertical-align: middle;
}

.un-scroll .fly-nav-bar .fly-nav-item {
    line-height: 82px;
}

.on-scroll .fly-nav-bar .fly-nav-item {
    line-height: 62px;
}

.fly-nav-bar .fly-nav-item a {
    display: flex;
    padding: 0 1.25rem;
    transition: all .3s;
    -webkit-transition: all .3s;
    font-size: 15px;
    font-weight: bold;
    color: #333333;
}

.fly-nav-bar .layui-this a {
    color: #2688d3;
}

.fly-nav-bar .fly-nav-item a:hover {
    color: #777777;
}

.fly-nav-bar .layui-this a:hover {
    color: #2688d3;
}

.fly-nav-child {
    display: none;
    position: absolute;
    left: 0;
    min-width: 100%;
    line-height: 2.25rem;
    padding: 0.3125rem 0;
    background-color: #fff;
    z-index: 100;
    white-space: nowrap;
    -webkit-animation-duration: 300ms;
    animation-duration: 300ms;
}

.fly-nav-bar .fly-has-child {
    position: relative;
}

.fly-nav-bar > .fly-has-child > a::after {
    font-family: layui-icon !important;
    font-size: 65%;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    content: "\e61a";
    margin-left: 0.5rem;
}

.fly-nav-tree > .fly-has-child > a::after {
    margin-left: auto;
    margin-right: 0.375rem;
}

.fly-has-child > a {
    display: flex;
}

.fly-nav-item > .fly-nav-child > .fly-has-child > a::after {
    font-family: layui-icon !important;
    font-size: 65%;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    content: "\e602";
    margin-left: auto;
    margin-right: 0.375rem;
    transition: 0.3s ease;
}

.fly-nav-tree .fly-nav-child > .fly-has-child > a::after {
    content: "\e61a";
}

.fly-nav-child {
    border-top: 0.1875rem solid #2688d3;
    border-bottom-right-radius: 0.1875rem;
    border-bottom-left-radius: 0.1875rem;
    box-shadow: 0 0.5rem 1.25rem rgba(55, 125, 255, 0.075);
    min-width: 12.5rem;
}

.un-scroll .fly-nav-item > .fly-nav-child {
    top: 82px;
}

.on-scroll .fly-nav-item > .fly-nav-child {
    top: 62px;
}

.fly-nav-item > .fly-nav-child .fly-nav-child {
    top: 0;
    left: 100%;
    margin-top: -1.1875rem;
}

.fly-child-divider {
    height: 0;
    margin: 0.5rem 0;
    overflow: hidden;
    border-top: 0.0625rem solid #e7eaf3;
}

.fly-nav-hamburger {
    display: none;
    position: absolute;
    right: 0;
    top: 1.125rem;
    font-size: inherit;
    line-height: 0;
    padding: 0.25rem;
    background-color: transparent;
    border: 1px solid transparent;
    cursor: pointer;
}

.fly-nav-hamburger[aria-expanded="true"] .fly-nav-hamburger__inner {
    -webkit-transform: translate3d(0, 0.375rem, 0) rotate(45deg);
    transform: translate3d(0, 0.375rem, 0) rotate(45deg);
}

.fly-nav-hamburger__box {
    width: 1.5625rem;
    height: 0.875rem;
    display: inline-block;
    position: relative;
}

.fly-nav-hamburger__inner, .fly-nav-hamburger__inner::before, .fly-nav-hamburger__inner::after {
    width: 1.5625rem;
    height: 0.125rem;
    background-color: #8c98a4;
    position: absolute;
    transition-property: -webkit-transform;
    transition-property: transform;
    transition-property: transform, -webkit-transform;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

.fly-nav-hamburger__inner::before {
    top: 0.375rem;
    transition-property: opacity, -webkit-transform;
    transition-property: transform, opacity;
    transition-property: transform, opacity, -webkit-transform;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

.fly-nav-hamburger__inner::after {
    top: 0.75rem;
}

.fly-nav-hamburger__inner::before, .fly-nav-hamburger__inner::after {
    content: "";
    display: block;
}

.fly-nav-hamburger__inner {
    display: block;
    top: 0.0625rem;
}

.fly-nav-hamburger:hover .fly-nav-hamburger__inner, .fly-nav-hamburger:hover .fly-nav-hamburger__inner::before, .fly-nav-hamburger:hover .fly-nav-hamburger__inner::after {
    background-color: #2688d3;
}

.layui-bg-purple-gradient {
    background: linear-gradient(135deg, rgba(24, 204, 173, 1) 0%,  rgba(46, 67, 229, 1) 100%) !important;
}

.layui-btn-register {
    height: 30px;
    line-height: 30px;
    padding: 0 1rem;
    font-size: 15px;
    border-radius: 5px;
}

/* 垂直导航菜单 */
.fly-nav-tree {
    position: absolute;
    background: #ffffff;
    width: 100%;
    left: 0;
}

.un-scroll .fly-nav-tree {
    top: 82px;
}

.on-scroll .fly-nav-tree {
    top: 62px;
}

.fly-nav-tree .fly-nav-item {
    display: block
}

.fly-nav-tree .fly-nav-item a:hover {
    background-color: #2688d3;
    color: #ffffff
}

.fly-nav-tree .layui-this,
.fly-nav-tree .layui-this > a,
.fly-nav-tree .layui-this > a:hover,
.fly-nav-tree .fly-nav-child dd.layui-this,
.fly-nav-tree .fly-nav-child dd.layui-this a {
    background-color: #2688d3;
    color: #fff;
}

.fly-nav-tree .layui-this:after {
    display: none;
}

.fly-nav-itemed > .fly-nav-child {
    display: block !important;
}

.fly-nav-itemed .fly-nav-child {
    position: relative;
    z-index: 0;
    top: 0;
    left: 0 !important;
    border: none;
    box-shadow: none;
}

.fly-nav-itemed .fly-nav-child a {
}

.fly-nav-itemed .fly-nav-child {
    border-left: 0.25rem solid #2688d3;
    margin: 0 1.25rem !important;
    border-radius: unset
}

.fly-nav-itemed .fly-nav-child a:hover {
    background-color: #2688d3;
    color: #ffffff
}

.fly-nav-tree .register-bnt {
    padding: 10px 0;
}

.user-avatar {
    display: flex;
    justify-content: center;
    align-items: center;
}

.user-avatar img {
    border-radius: .25rem !important;
    margin-right: 5px;
}