/*引入字体文件*/
@font-face {
    font-family: "ssrrr";
    src: url("../../../fonts/shangshouruiyuanti.TTF");
}

@font-face {
    font-family: "siyuanheiti";/*思源黑体*/
    src: url("../../../fonts/SourceHanSansCN-Regular.otf");
}

html, body ,div {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: 'siyuanheiti', sans-serif;
    font-size: 16px;
    transition: all .3s;
}


.top-box {
    position: fixed;
    top: 0;
    width: 100%;
    height: 60px;
    background-color: unset;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 99999;
    transition: all .3s;
    padding: 0 10px;
}

.top-box__sticky {
    background-color: #0078c5;
    height: 50px;
}

.top-content {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

/*!*顶部导航栏logo样式*!*/
.top-logo {
    cursor: pointer;
    display: flex;
    align-items: flex-end;
}

.top-logo img {
    max-height: 50px;
    max-width: 60vw;
    object-fit: contain;
}
.top-box__sticky .top-logo img{
    max-height: 45px;
}
    /*菜单按钮和其他按钮位置*/
.top-other{
    display: flex;
    align-items: center;
}
.top-nav-text{
    color: #FFFFFF;
    padding: 0 5px;
}
.top-nav-button{
    width: 30px;
    height: 2.5px;
    margin: 0 5px;
    background-color: #ffffff;
    position: relative;
    border-radius: 10px;
    transform: translateY(2px);
}

.top-nav-button::after{
    content: '';
    position: absolute;
    width: 100%;
    height: 2.5px;
    right: 3px;
    top: 10px;
    border-radius: 10px;
    background-color: #ffffff;
    transform-origin: right bottom;
    transition: all .8s;
}
.top-nav-button::before{
    content: '';
    position: absolute;
    width: 100%;
    height: 2.5px;
    right: 5px;
    bottom: 10px;
    border-radius: 10px;
    background-color: #ffffff;
    transform-origin: right top;
    transition: all .8s;
}
.top-nav-button__avtive::after{
    width: 50%;
    right: 0;
    top: 0;
    transform: rotate(-35deg) scaleY(0.6);
}
.top-nav-button__avtive::before{
    width: 50%;
    right: 0;
    top: 0;
    transform: rotate(35deg) scaleY(0.6);
}

/*菜单的具体样式*/
.top-nav-items{
    display: none;
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    background-color: #e9ebf3;
    max-height: calc(100vh - 50px);
    overflow-y: auto;
}
.top-nav-item{

}
.top-nav-item__title{
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    padding: 15px 30px 8px;
    color: #595757;
}
.top-nav-item__child{
    background-color: #ffffff;
    display: none;
}
.top-nav-item__child div{
    padding: 5px 20px 5px 40px;
    line-height: 2em;
    color: #b3b3b3;
}
.top-nav-item__active{
    color: #6d6d6d!important;
    background-color: #EEEEEE!important;
}


/**复杂标题的样式 蓝白黑三种  开始*/
.complex-title-01, .complex-title-02, .complex-title-03 {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: fit-content;
    margin: 0 auto;
}
.complex-title-01 *, .complex-title-02 *, .complex-title-03 *{

}

.complex-title-01 {
    color: #fffefe;
}

.complex-title-02 {
    color: #0078c5;
}

.complex-title-03 {
    color: #000000;
}

.complex-title-01 span:first-child,.complex-title-01 span:first-child *,
.complex-title-02 span:first-child,.complex-title-02 span:first-child *,
.complex-title-03 span:first-child,.complex-title-03 span:first-child * {
    /*font-family: 'ssrrr', sans-serif;*/
    font-size: 20px;
    cursor: pointer!important;
}

.complex-title-01 span:last-child,
.complex-title-02 span:last-child,
.complex-title-03 span:last-child {
    font-size: 14px;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 5px;
}

.complex-title-01 span:last-child::after,
.complex-title-02 span:last-child::after,
.complex-title-03 span:last-child::after {
    content: '';
    position: absolute;
    width: 50vw;
    height: 1px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.complex-title-01 span:last-child::after {
    background-color: #ffffff;
}

.complex-title-02 span:last-child::after {
    background-color: #0078c5;
}

.complex-title-03 span:last-child::after {
    background-color: #000000;
}

/**复杂标题的样式 蓝白黑三种  结束*/

/**了解更多的样式 蓝白黑三种  开始*/
.learn-more-01, .learn-more-02, .learn-more-03 {
    display: inline-block;
    font-size: 18px;
    border: 1px #FFFFFF solid;
    cursor: pointer !important;
    position: relative;
    z-index: 999;
    transition: color .8s;
}

.learn-more-01 span, .learn-more-02 span, .learn-more-03 span {
    display: inline-block;
    padding: 1px 20px;
    cursor: pointer !important;
    position: relative;
    z-index: 999;
}

.learn-more-01 {
    border-color: #FFFFFF;
    color: #FFFFFF;
}

.learn-more-02 {
    border-color: #0078c5;
    color: #0078c5;
}

.learn-more-03 {
    border-color: #000000;
    color: #000000;
}

.learn-more-01:hover {
    /*filter: brightness(90%);*/
    color: #444444;
}
.learn-more-02:hover {
    /*filter: brightness(90%);*/
    color: #f1f1f1;
}
.learn-more-03:hover {
    /*filter: brightness(90%);*/
    color: #e1e1e8;
}

/*增加伪类 共四个*/
.learn-more-01::after, .learn-more-02::after, .learn-more-03::after,
.learn-more-01 span::after, .learn-more-02 span::after, .learn-more-03 span::after,
.learn-more-01::before, .learn-more-02::before, .learn-more-03::before,
.learn-more-01 span::before, .learn-more-02 span::before, .learn-more-03 span::before {
    content: '';
    position: absolute;
    top: 0;
    width: 0;
    height: 100%;
    transition: all .3s;
    z-index: -1;
}

/*定义不同的背景色*/
.learn-more-01::after, .learn-more-01 span::after,
.learn-more-01::before, .learn-more-01 span::before {
    background-color: rgba(255, 255, 255, 0.25);
}

.learn-more-02::after, .learn-more-02 span::after,
.learn-more-02::before, .learn-more-02 span::before {
    background-color: rgba(0, 120, 197, 0.25);
}

.learn-more-03::after, .learn-more-03 span::after,
.learn-more-03::before, .learn-more-03 span::before {
    background-color: rgba(0, 0, 0, 0.25);
}

/*定位，给左边的定位left：0，右边的定位right：0*/
.learn-more-01::after, .learn-more-02::after, .learn-more-03::after,
.learn-more-01 span::after, .learn-more-02 span::after, .learn-more-03 span::after {
    left: 0;
}

.learn-more-01::before, .learn-more-02::before, .learn-more-03::before,
.learn-more-01 span::before, .learn-more-02 span::before, .learn-more-03 span::before {
    right: 0;
}

/*给span的动画添加延时，延时时间至第一遍动画执行完毕*/
.learn-more-01 span::before, .learn-more-02 span::before, .learn-more-03 span::before,
.learn-more-01 span::after, .learn-more-02 span::after, .learn-more-03 span::after {
    transition-delay: 0.3s;
}

/*添加鼠标移入事件*/
.learn-more-01:hover::after, .learn-more-01:hover::before,
.learn-more-02:hover::after, .learn-more-02:hover::before,
.learn-more-03:hover::after, .learn-more-03:hover::before,
.learn-more-01 span:hover::after, .learn-more-01 span:hover::before,
.learn-more-02 span:hover::after, .learn-more-02 span:hover::before,
.learn-more-03 span:hover::after, .learn-more-03 span:hover::before {
    width: 100%;
}

/**了解更多的样式 蓝白黑三种  结束*/



/*底部链接*/
.section-bottom {
    background-color: #595757;
}

.bottom-content {
    width: 100vw;
    padding: 50px 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.bottom-left {
    flex: none;
    display: flex;

    color: #f5f5f5;
    margin-bottom: 15px;
    width: auto;
    flex-wrap: wrap;
    justify-content: space-between;
    font-size: 14px;
}
.bottom-left span{
    padding: 2px 5px;
}



.bottom-center {
    flex: auto;
    display: flex;
    justify-content: flex-end;
    box-sizing: border-box;
    padding-right: 20px;
}

.bottom-right {
    flex: none;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
}

.bottom-right .select-button{
    height: 36px;
    flex: 1;
    margin: 0 5px;
    background-color: #f5f5f5;
    border: 1px solid #8d8c8c;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.bottom-right .select-button>span{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;color: #444444;
}
.bottom-right .select-url{
    width: 100%;
    position: absolute;
    bottom: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 0;
    transition: all .5s;
    opacity: 0.8;
    border-top: 1px solid #dddddd;
    border-left: 1px solid #dddddd;
    border-right: 1px solid #dddddd;
}
.bottom-right .select-url span{
    width: 100%;
    font-size: 15px;
    min-height: 36px;
    line-height: 1.5em;
    background-color: #FFFFFF;
    box-sizing: border-box;
    padding: 5px 5px;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.bottom-right .select-url span:hover{
    color: #0078c5;
}
.select-button .select-url-active{
    height: auto;
    opacity: 1;
}
/* 底部链接 结束*/