body{
    margin: 0;
    background: #fff;
    font-family: "Microsoft YaHei UI";
}

body::-webkit-scrollbar{
    width: 5px;
}
body::-webkit-scrollbar-track{
    background: #eee;
}
body::-webkit-scrollbar-thumb{
    box-shadow: inset 0 0 5px #0af;
}

ul,li,a{
    list-style: none;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

/* 页头 */
header{
    --header-height: 80px;
    position: fixed;
    z-index: 99;
    left: 0;
    top: 0;
    right: 0;
    height: var(--header-height);
    transition: .3s;
}

/* 激活的页头 */
header.active{
    box-shadow: 0 3px 10px rgba(0,0,0,.2);
}
header.active .nav:before,
header:hover .nav:before{
    height: 100%;
}
header.active .logo>div,
header:hover .logo>div{
    color: #3165c7;
}

/* Logo区 */
header .logo{
    width: 400px;
    height: 100%;
    float: left;
    position: relative;
    z-index: 1;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}
header .logo>img{
    height: 55px;
    border-radius: 50%;
}
header .logo>div{
    padding-left: 20px;
    transition: .3s;
    color: #fff;
}
header .logo>div>h1{
    margin: 0;
    font-size: 18px;
}
header .logo>div>h2{
    margin: 0;
    font-size: 14px;
    font-weight: normal;
    letter-spacing: .27em;
    text-indent: .1em;
}

/* 导航菜单区 */
header>.nav>.iconfont{
    display: none;
}
header .nav{
    position: relative;
    height: 100%;
}
header .nav:before{
    transition: .3s;
    content: '';
    position: absolute;
    z-index: 0;
    left: 0;
    top: 0;
    right: 0;
    height: 0;
    background: #fff;
}

header .language{
    position: relative;
    float: right;
    margin-right: 5px;
    transition: .3s;
    user-select: none;
    font-size: 14px;
    font-weight: bold;
}
header .language>span{
    line-height: var(--header-height);
    color: #fff;
    cursor: pointer;
    transition: .3s;
}
header .language>span>i{
    font-size: 20px;
    float: right;
}
header.active .language>span,
header:hover .language>span{
    color: #333;
}
header .language>span:hover{
    color: #09f;
}
header .language>ul{
    position: absolute;
    left: -20px;
    top: var(--header-height);
    border-radius: 10px;
    overflow: hidden;
    display: none;
    padding: 0 15px;
    background: #fff;
    box-shadow: 2px 2px 5px rgba(0,0,0,.3);
}
header .language.active>ul{
    display: block;
}
header .language>ul>li{
    padding: 15px 10px;
    white-space: nowrap;
    border-bottom: solid 1px #007fbf;
}
header .language>ul>li:last-child{
    border-bottom: 0;
}
header .language>ul>li>a{
    color: #333;
    transition: .3s;
}
header .language>ul>li>a:hover{
    color: #09f;
}

header .nav>ul{
    position: relative;
    z-index: 1;
    float: right;
    height: 100%;
    padding-right: 75px;
}
header .nav>ul>li{
    position: relative;
    float: left;
    line-height: 80px;
}
header .nav>ul>li>a{
    display: block;
    height: 100%;
    color: #fff;
    font-weight: bold;
    transition: .3s;
    padding: 0 20px;
    font-size: 14px;
}
header>.nav>ul>li>.fold{
    display: none;
}

/* 导航头子菜单 */
header .nav>ul>li>.submenu{
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 10px 10px -10px rgba(0,0,0,.2);
}

/* 导航头子菜单-sub1 */
header .nav>ul>li .submenu-block-1{
    padding: 40px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
header .nav>ul>li .submenu-block-1>li{
    position: relative;
    display: block;
    width: 305px;
    height: 150px;
    overflow: hidden;
    margin: 0 5px;
    background-size: cover;
    background-position: center;
}
header .nav>ul>li .submenu-block-1>li>div{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: .4s;
    z-index: 0;
}
header .nav>ul>li .submenu-block-1>li:hover>div{
    transform: scale(1.15);
}
header .nav>ul>li .submenu-block-1>li>a{
    position: relative;
    z-index: 1;
}
header .nav>ul>li .submenu-block-1>li h4{
    display: flex;
    flex-direction: column;
    line-height: 1.7em;
    justify-content: center;
    margin: 0;
    height: 100%;
    padding-left: 28px;
    color: #fff;
    background: linear-gradient(to right, rgba(0, 25, 79, 0.5), rgba(0,0,0,.1), rgba(0,0,0,0));
    transition: .4s;
}
header .nav>ul>li .submenu-block-1>li:hover h4{
    padding-left: 40px;
}
header .nav>ul>li .submenu-block-1>li h4>span:first-child{
    font-size: 18px;
}
header .nav>ul>li .submenu-block-1>li h4>span:last-child{
    font-size: 14px;
    font-weight: normal;
}

/* 导航头子菜单-sub2 */
.submenu-block-2{
    position: relative;
    width: 900px;
    margin: auto;
    display: flex;
    overflow: hidden;
    justify-content: center;
    align-items: center;
    transition: .3s;
}
.submenu-block-2>li{
    flex: 1;
    height: 390px;
}
.submenu-block-2>li>div{
    position: absolute;
    z-index: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: .5s;
    transform: scale(1.1);
}
.submenu-block-2>li.active>div{
    opacity: 1;
    transform: scale(1);
}
.submenu-block-2>li>a{
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    border-right: solid 1px #ccc;
    transition: .4s;
}
.submenu-block-2>li:hover>a{
    background: rgba(0, 16, 61, 0.6);
}
.submenu-block-2>li:last-child>a{
    border-right: none;
}
.submenu-block-2>li>a>h4{
    margin: 0;
    position: absolute;
    bottom: 25px;
    left: 30px;
    right: 35px;
    line-height: 1.5em;
    color: #fff;
    font-size: 14px;
}
.submenu-block-2>li>a>h4>span:first-child{
    font-size: 20px;
    transition: .4s;
    position: relative;
    bottom: 0;
}
.submenu-block-2>li>a>h4>span:last-child{
    display: block;
    margin-top: 10px;
}
.submenu-block-2>li>a>h4>span:last-child:after{
    content: '';
    width: 8px;
    height: 8px;
    display: inline-block;
    border-top: solid 1px #fff;
    border-right: solid 1px #fff;
    transform: rotate(45deg);
    margin-left: 5px;
    position: relative;
    bottom: 2px;
    opacity: 0;
    transition: .4s;
}
.submenu-block-2>li:hover>a>h4>span:last-child:after{
    opacity: 1;
}
.submenu-block-2>li:hover>a>h4>span:first-child{
    bottom: .8em;
}

/* 导航头子菜单-sub3 */
header .nav>ul>li .submenu-list{
    position: absolute;
    right: 0;
    min-width: 150px;
    top: 80px;
    background: #038fdc;
    overflow: hidden;
    transition: .3s;
    display: none;
    text-align: left;
}
header .nav>ul>li .submenu-list>li{
    position: relative;
}
header .nav>ul>li .submenu-list>li>a{
    display: block;
    padding: 15px 20px;
    line-height: normal;
    color: #fff;
    transition: .3s;
    white-space: nowrap;
}
header .nav>ul>li .submenu-list>li>a:hover{
    background: #17399a;
}

.main-container{
    overflow: hidden;
}

.head-bg{
    height: 600px;
    background-size: cover;
    background-position: center;
    transition: .3s;
}
.head-bg>div{
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 38px;
    font-weight: bold;
    height: 100%;
    background: rgba(0,0,0,.2);
    letter-spacing: 5px;
    text-shadow: 1px 1px 2px #0af;
}

/* 页脚 */
footer{
    border-top: solid 1px #ccc;
    padding-top: 50px;
    opacity: 0;
}
footer .logo{
    text-align: center;
}
footer .logo>img{
    height: 110px;
}
footer .logo>div{
    color: #3165c7;
    transition: .3s;
}
footer .logo>div>h1{
    margin: 0;
    font-size: 24px;
}
footer .logo>div>h2{
    margin: 0;
    font-size: 18px;
    font-weight: normal;
    letter-spacing: .33em;
    position: relative;
    text-indent: .4em;
}
footer .container{
    padding-top: 60px;
    display: flex;
    justify-content: center;
}
footer .container>div{
    padding-bottom: 50px;
    min-width: 200px;
    padding-left: 40px;
    padding-right: 50px;
    border-right: solid 1px #ccc;
}
footer .container>div:first-child{
    border-left: solid 1px #ccc;
}
footer .container>div>h5{
    margin: 0;
    font-size: 16px;
    color: #0090d7;
}
footer .container>div>ul{
    padding-top: 30px;
}
footer .container>div>ul>li{
    font-size: 14px;
    padding-bottom: 15px;
}
footer .container>div>ul>li>a{
    color: #555;
}
footer .copy{
    border-top: solid 1px #ccc;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #999;
    padding: 0 20px;
    text-align: center;
    line-height: 1.5em;
}
.onTop{
    position: fixed;
    right: 50px;
    bottom: 50px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    background: #0af;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 2px 5px rgba(0,0,0,.5);
    transition: .3s;
    cursor: pointer;
}
.onTop.hide{
    opacity: 0;
}

.container-btn{
    width: 260px;
    height: 70px;
    background: #008cff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    transition: .3s;
    margin: auto;
    font-size: 16px;
    user-select: none;
}
.container-btn:hover{
    background: #0051bb;
}

.message-model{
    --animate-duration: .4s;
    position: fixed;
    z-index: 100;
    top: 10%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    pointer-events: none;
}
.message-model>span{
    background: #fff;
    border-radius: 5px;
    pointer-events: auto;
    font-size: 15px;
    padding: 10px 20px;
    text-align: center;
    opacity: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
    color: #333;
}
.message-model>span>.iconfont{
    margin-right: 10px;
    font-weight: bold;
}

/* error message */
.message-model.error>span{
    box-shadow: 0 0 10px rgba(131, 49, 49, 0.6);
    color: #f00;
}
.message-model.error>span>.iconfont{
    color: #f00;
}

/* info message */
.message-model.info>span>.iconfont{
    color: #0af;
}

/* prompt model */
.prompt-model{
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    background: rgba(0,0,0,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .3s;
}
.prompt-model>.wrap{
    --animate-duration: .4s;
    position: relative;
    top: -10%;
    opacity: 0;
    width: 400px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 3px 3px 5px #999;
    padding: 20px;
}
.prompt-model>.wrap>.title{
    font-size: 18px;
    font-weight: bold;
    color: #555;
}
.prompt-model>.wrap>.divider{
    border-bottom: solid 1px #ddd;
    padding-top: 10px;
    margin-bottom: 20px;
}
.prompt-model>.wrap>.main{
    color: #666;
    font-size: 15px;
    padding: 0 15px;
    min-height: 2em;
    margin-top: 15px;
}
.prompt-model>.wrap>.footer{
    text-align: right;
    margin-top: 20px;
    font-size: 15px;
}
.prompt-model>.wrap>.footer>.btn{
    display: inline-block;
    padding: 5px 15px;
    cursor: pointer;
    transition: .5s;
    margin-right: 10px;
    border-radius: 3px;
    color: #333;
    user-select: none;
}
.prompt-model>.wrap>.footer>.btn:last-child{
    margin-right: 0;
}
.prompt-model>.wrap>.footer>.btn:hover{
    background: #eee;
}
.prompt-model>.wrap>.footer>.btn:active{
    background: #abe1ff;
}
.prompt-model>.wrap>.footer>.btn.blue{
    background: #0af;
    color: #fff;
}

/* 加载状态-动条 */
.loading-box{
    position: fixed;
    z-index: 101;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.3);
    display: flex;
    align-items: center;
}
.loading-box .wrap{
    position: relative;
    top: -10%;
    background: #fff;
    margin: auto;
    padding: 30px 50px;
    border-radius: 10px;
    box-shadow: 3px 3px 5px #999;
}
.loading-box .wrap .item{
    width: 300px;
}
.loading-box .wrap .item .tip{
    font-size: 18px;
    color: #666;
    margin: 0;
    padding: 0;
    text-align: center;
}
.loading-box .wrap .item .progress-box{
    position: relative;
    width: 100%;
    height: 25px;
    border: solid 1px #0af;
    margin-top: 20px;
    overflow: hidden;
    border-radius: 5px;
}
.loading-box .wrap .item .progress-box .block{
    position: absolute;
    width: 35px;
    height: 100%;
    background: linear-gradient(to right bottom, #51bdf8, #0a77a9);
    animation-name: Loading;
    animation-duration: 2s;
    animation-timing-function: ease;
    animation-iteration-count: infinite;
}
@keyframes Loading {
    0%{left: -30px;}
    100%{left: 100%;}
}

.text-over{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-over2{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.text-over3{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.text-over4{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}
.text-over5{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
}
.text-over6{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 6;
}
.text-over7{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 7;
}

.text-center{
    text-align: center;
    justify-content: center;
}

/* 大于等于1120屏幕的设备，一般为PC设备 */
@media screen and (min-width: 1120px){
    header.active .nav>ul>li>a,
    header:hover .nav>ul>li>a{
        color: #000;
    }
    header .nav>ul>li:hover>.submenu{
        display: block;
    }
    header .nav>ul>li:hover .submenu-list{
        display: block;
    }
    header .nav>ul>li>a:hover,
    header.active .nav>ul>li.active>a{
        color: #09f;
    }
}

/* 屏幕小于1400的PC设备 */
@media screen and (max-width: 1399px) {
    header .nav>ul{
        padding-right: 10px;
    }
    header .nav>ul>li>a{
        padding: 0 10px;
    }
}
/* 屏幕小于1120的设备，一般为移动端 */
@media screen and (max-width: 1119px) {
    header{
        --header-height: 60px;
        height: 60px;
    }
    header>.logo{
        height: 60px;
        width: auto;
        justify-content: left;
        padding-left: 10px;
    }
    header .logo>div{
        padding-left: 10px;
    }
    header .logo>div>h1{
        font-size: 14px;
    }
    header .logo>div>h2{
        font-size: 12px;
        letter-spacing: .19em;
    }
    header>.nav>.menu{
        position: relative;
        display: block;
        margin-right: 10px;
        top: 15px;
        float: right;
        font-size: 30px;
        color: #fff;
        transition: .3s;
        cursor: pointer;
    }
    header.active>.nav>.menu,
    header:hover>.nav>.menu{
        color: #000;
    }
    header>.nav>ul{
        display: none;
        height: 0;
        transition: .3s;
        padding-right: 0;
    }
    header>.nav>ul>li>a{
        font-size: 13px;
        font-weight: normal;
        padding: 0 20px;
        color: #eee;
    }
    header>.nav>ul>li>a:hover{
        background: #191d62;
    }
    header>.nav.active>ul>li>.fold{
        position: absolute;
        right: 0;
        top: 0;
        font-size: 28px;
        width: 60px;
        color: #fff;
        z-index: 1;
        text-align: center;
        cursor: pointer;
        transition: .3s;
        display: block;
    }
    header>.nav.active>ul>li.active>.fold{
        transform: rotateX(180deg);
    }

    header>.nav.active>ul{
        display: block;
        position: fixed;
        right: 0;
        top: 0;
        width: 400px;
        height: 100vh;
        background: #191e69;
        z-index: 100;
    }
    header>.nav.active>ul>li{
        float: none;
        line-height: 60px;
        border-bottom: solid 1px #444;
    }
    header>.nav.active>ul>li>.submenu-list{
        width: 100%;
    }
    header>.nav.active>ul>li.active>.submenu-list{
        display: block;
        height: auto;
        position: relative;
        top: 0;
    }
    header>.nav.active>ul>li.active>.submenu-list>li{
        border-top: solid 1px #444;
    }
    header>.nav.active>ul>li.active>.submenu-list>li:hover>a{
        background: none;
    }
    header>.nav.active>ul>li>.fold:hover,
    header>.nav.active>ul>li.active>.submenu,
    header>.nav.active>ul>li.active>.submenu-list{
        background: #1f2581;
    }
    header>.nav.active>ul>li.active>.submenu{
        display: block;
        position: relative;
        top: 0;
    }
    header>.nav.active>ul>li.active>.submenu>ul{
        display: block;
    }
    header>.nav.active>ul>li.active>.submenu>ul>li{
        height: 60px;
        line-height: 60px;
        border-top: solid 1px #444;
    }
    header>.nav.active>ul>li.active>.submenu>ul>li>a{
        background: none;
    }
    header>.nav.active>ul>li.active>.submenu>ul>li>div{
        display: none;
    }
    header>.nav.active>ul>li.active>.submenu>ul>li>a>h4>span{
        font-size: 14px;
    }
    header>.nav.active>ul>li.active>.submenu>ul>li>a>h4>span:last-child{
        display: none;
    }
    header .nav.active>ul>li .submenu-block-2>li>a>h4{
        position: unset;
        padding: 0 20px 0;
        line-height: 60px;
    }
    header .nav.active>ul>li .submenu-block-2>li:hover>a>h4>span:first-child{
        bottom: 0;
    }
    header .nav.active>ul>li .submenu-block-1{
        padding: 0;
    }
    header .nav.active>ul>li .submenu-block-1>li{
        margin: 0;
        width: 100%;
    }
    header .nav.active>ul>li .submenu-block-1>li:hover h4{
        padding-left: 28px;
    }
    .head-bg{
        height: 500px;
    }
    .head-bg>div{
        font-size: 30px;
    }
    footer .logo>div>h1{
        font-size: 20px;
    }
    footer .logo>div>h2{
        font-size: 15px;
    }
}
@media screen and (max-width: 1024px) {
    footer>.container{
        flex-wrap: wrap;
        justify-content: start;
        text-align: center;
    }
    footer>.container>div:first-child{
        border: 0;
    }
    footer>.container{
        margin: auto;
    }
    footer>.container>div{
        border: 0;
        padding: 0 0 50px 0;
        width: 49.9%;
        min-width: unset;
        overflow: hidden;
    }
    .container-btn{
        width: 220px;
        height: 60px;
    }
}

@media screen and (max-width: 950px){
    .head-bg{
        height: 300px;
    }
    .head-bg>div{
        font-size: 25px;
        padding: 0 20px;
    }

}

@media screen and (max-width: 599px) {
    header .logo>img{
        height: 65%;
    }
    header .logo>div{
        padding-left: 8px;
    }
    header>.nav.active>ul{
        width: 70%;
    }
    header .language{
        font-size: 13px;
    }
    footer{
        padding-top: 20px;
    }
    footer .logo>img{
        height: 70px;
    }
    footer .logo>div>h1{
        font-size: 18px;
    }
    footer .logo>div>h2{
        font-size: 13px;
        letter-spacing: .34em;
    }
    footer>.container{
        padding-top: 40px;
    }
    footer>.container>div{
        padding: 0 0 20px 0;
    }
    footer>.container>div:nth-child(1),
    footer>.container>div:nth-child(3){
        border: none;
    }
    .container-btn{
        width: 200px;
        height: 50px;
    }
    .onTop{
        right: 20px;
        bottom: 20px;
    }
    .prompt-model>.wrap{
        width: 80%;
        padding: 15px;
    }
    .loading-box .wrap{
        padding: 25px;
        width: 70%;
    }
    .loading-box .wrap .item{
        width: 100%;
    }
    .loading-box .wrap .item .tip{
        font-size: 15px;
    }
    .loading-box .wrap .item .progress-box{
        height: 15px;
    }
}