li {
    list-style: none;
    border: none;
}

.top {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.4);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
}

.top-logo {
    height: 40px;
    max-width: 170px;
    margin-right: 30px;
}

.top-logo img {
    height: 40px;
    max-width: 170px;
}

.top-divider {
    width: 0;
    height: 50%;
    border-left: 1px solid #fff;
}

.top-nav-box {
    margin: 0 20px;
    height: 100%;
    background-color: transparent;
}

.top-nav {
    height: 100%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}

.top-nav-item {
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: transparent;
    font-size: 16px;
}

.top-nav-item:hover {
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.top-nav-item a {
    display: inline-block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 0 20px;
    color: #fff;
    text-decoration: none;
    line-height: 60px;
}

.top-search-box {
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 10px;
    padding: 3px 8px;
}

.top-search {
    border: none;
    outline: none;
    background-color: transparent;
    color: rgba(255, 255, 255, .6);
}

.top-search::placeholder {
    color: #eee;
}

.top-search-icon {
    color: #eee;
    font-size: 16px;
}

.top-btn {
    margin-left: 30px;
    display: flex;
    align-items: center;
    height: 100%;
}

.top-btn a {
    text-decoration: none;
    font-size: 16px;
    color: #fff;
    height: 100%;
    padding: 20px 15px;
    line-height: 20px;
}

.top-btn a:hover {
    color: rgba(255, 255, 255, .8);
}

/**sideBar部分**/
.side-bar-box {
    z-index: 999;
}

.side-bar-nav {
    margin: 0;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border: 1px solid #ccc;
    box-sizing: border-box;
    padding: 20px;
}

.side-bar-item {
    width: 235px;
    height: 45px;
    list-style: none;
    background-color: #DBD6D6;
    margin-top: 10px;
    border-radius: 5px;
    cursor: pointer;
}

.side-bar-item-active {
    background-color: #50a6e9a6;
    border: 1px solid #50a6e9a6 !important;
}

.side-bar-item > a {
    display: inline-block;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 20px;
    text-align: center;
    color: #444;
    font-size: 15px;
    text-decoration: none;
    vertical-align: middle;
}

.side-bar-item:hover {
    color: #50a6e9a6;
}

/*公共底部*/
.bottom-container {
    margin-top: 200px;
}

.bottom {
    position: absolute;
    width: 100%;
    bottom: 0;
    left: 0;
    padding: 10px 0;
    background-color: rgba(41, 41, 41, .3);
}

.bottom-block {
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bottom-block span {
    display: inline-block;
    margin-right: 10px;
    font-size: 16px;
    font-weight: bolder;
    color: white;
}

.desc-text {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}