header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 94px;
    border-bottom: 2px solid #DDD;
    padding-left: 34px;
}
logo {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

logo img{
    width: 139px;
    height: auto;
}

logo .br_style {
    height: 19px;
    width: 2px;
    background-color: #DDDDDD;
    margin-left:20px;
    margin-right: 16px;
}

logo .title {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 28px;
    color: #525356;
}

nav {
    display: flex;
    align-items: center;
    padding: 0;
    /* padding-left:110px; */
    padding-left:225px;
    height: 100%;
    flex: 1;
}

nav .nav_item {
    position: relative;
    font-weight: 500;
    font-size: 18px;
    color: #333333;
    padding: 0 20px;
    height: 100%;
    line-height: 94px;
    margin: 0 19px;
    cursor: pointer;
}

.nav_item .nav_item_list {
    display: none;
    position: absolute;
    width: 136px;
    top: 94px;
    left: 0;
    background: #FFFFFF;
    box-shadow: 0px 3px 15px 1px rgba(0,0,0,0.06);
    border-radius: 3px;
    border: 1px solid #D9D9D9;
    border-top: 4px solid #3B61FF;
}

.nav_item:hover .nav_item_list {
    display: block;
}

.nav_item .nav_item_list li {
    padding:0 5px;
    line-height: 48px;
    text-align: center;
}

.nav_item .nav_item_list a {
    display: inline-block;
    width: 100%;
    font-weight: 500;
    font-size: 14px;
    color: #333333;
    line-height: 48px;
    height: 48px;
    border-bottom: 1px solid #D9D9D9;
}

.nav_item .nav_item_list li:last-child a{
    border-bottom: none;
}

.nav_item .nav_item_list .nav_item_disabled {
    background-color: #F0F0F0;
}

.nav_item .nav_item_disabled a {
    color: #999999;
    cursor: no-drop;
}

.login_info {
   padding-right: 34px;
}

.login_info .login_info_item {
    font-weight: 500;
    font-size: 16px;
    color: #3B61FF;
    text-align: center;
    line-height: 36px;
    margin-left:22px;
}

.login_info .login_btn {
    display: inline-block;
    width: 101px;
    height: 36px;
    background: #3B61FF;
    border-radius: 10px;
    color: #fff;
    box-sizing: border-box;
}

.section-one {
    width: 100%;
}

.section-one img {
    display: block;
    width: 100%;
    margin: 0 ;
    padding: 0;
}

.banner_one {
    width: 100%;
    text-align: center;
    background:linear-gradient(0, #beceff 0%, #ffffff 15%,#ffffff 66%, #d0dcff 100%)
}

.banner_one img {
    display: inline-block;
    width: 100%;
    max-width: 1943px;
}

.banner_two {
    position: relative;
}

.banner_two a {
    position: absolute;
    left: 50%;
    bottom: 60px;
    margin-left: -88px;
    width: 176px;
    height: 51px;
    background: #FFFFFF;
    border-radius: 10px;
    font-weight: bold;
    font-size: 24px;
    color: #2F6AFC;
    text-align: center;
    line-height: 51px;
}

.banner_zero {
    position: relative;
    cursor: pointer;
}

container{
    display: block;
    max-width: 1250px;
    margin: 0px auto;
    height: 100%;
}

container-detail{
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
}
container-detail h2{
    color: #333;
    margin: 0px 0px 15px 0px;
    text-align: center;
    font-weight: bold;
    font-size: 26px;
}
container-detail>p{
    color:#4B5B76;
    font-size: 16px;
    text-align: center;
}

.section-three{
    padding: 20px 0;
    background-color: #E0E7F4;
    margin-bottom: 94px;
}
.section-three container-detail ul{
    margin-top: 20px;
    border-top:4px solid #F8B17F;
    background-color: #fff;
    column-count: 6;
    padding: 15px;
}
.section-three container-detail ul li{
    height: 150px;
    padding: 0px 40px;
    margin: 0;
    border-left: 0.5px solid #d9d9d9b9;
}
.section-three container-detail ul li:first-child{
    border: 0;
}
.section-three container-detail ul li>span{
    display: block;
    position: relative;
    text-indent: 12px;
    margin-top: 5px;
}
.section-three container-detail ul li>span::before{
    display: block;
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 4px;
    background-color: red;
    position: absolute;
    top:7px;
    left: 5px;
}

.button-big {
    height: 40px;
    width: 130px;
    background-image: linear-gradient(to right, #0070F4, #6AB7FD);
    display: inline-block;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    color: #fff;
    margin: 20px 5px 0;
}

.section-two h2 {
    font-weight: 500;
    font-size: 36px;
    color: #333333;
    padding-top: 80px;
    margin-bottom: 0;
}

.section-two .class_tab {
    display: flex;
    justify-content: space-between;
}

.class_tab_div {
    display: flex;
    gap: 30px;
    font-weight: 500;
    font-size: 14px;
   color:#666666;
}

.class_tab_div span {
    cursor: pointer;
    padding: 10px 0;
    position: relative;
}

.class_tab_div .active {
    color: #4165FF;
}

.class_tab_div .active::after {
    content: '';
    display: block;
    position: absolute;
    width: 22px;
    height: 7px;
    border-radius:4px;
    background: #3B61FF;
    left: 50%;
    margin-left: -11px;
    bottom: -5px;
} 

.class_tab a {
    font-weight: 500;
    font-size: 14px;
    color: #3B61FF;
}

.app_list {
    padding: 17px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.app_list app {
    width: 20%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    text-align: left;
}

app .app-desc {
    white-space: nowrap; /* 防止文本换行 */
    overflow: hidden; /* 隐藏超出容器的部分 */
    text-overflow: ellipsis; /* 显示省略号 */
    color: #999999;
    font-size: 12px;
    max-width: 226px;
}

app img {
   width: 226px;
   height: 140px;
}

app app-info a{
    display: block;
    font-size: 14px;
    color: #3c3c3c;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    max-width: 226px;
}

.has_login {
    display: none;
    width: 120px;
    color:#333333;
    cursor: default;
    overflow: hidden;        /* 隐藏溢出内容 */
    text-overflow: ellipsis; /* 显示省略符号 */
    white-space: nowrap;     /* 禁止换行 */
}
.has_login:hover {
    color:#333333;
    cursor: default;
}
.not_login {
    display: none;
}

.support_info {
    margin: 20px auto;
    max-width: 1200px;
}

.support_info h5 {
    font-size: 20px;
    font-weight: 700;
}