* {
    margin: 0;
    padding: 0;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
    outline: none;
    vertical-align: baseline;
    list-style: none;
}
html, body {
    font-family:"Suisse Intl","Google Sans", "Noto Sans SC", sans-serif;
    font-size:var(--textSzie);
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
    color: var( --color);
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#dbf1ff+0,f8f8f8+38 */
    background:var(--lightBlue);
    width:100%;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}
:root{
    --color: #172e64;
    --blue:#151fa3;
    --blue_rgb:21,31,163;
    --darkBlue:#172e64;
    --lightBlue:#e3ebfa;
    --lightBlue2:#00deff;
    --darkBlue_rgb:7,9,45;
    --yellow:#ff643b;
    --textSzie:1rem;
    --space:1.5rem;
    --space1:calc(var(--space)/2) ;
    --space2:calc(var(--space)*2) ;
    --font2:"IBM Plex Mono", "Noto Sans SC", sans-serif;

}
.size{
    width:75%;
    margin: 0 auto;
}
.text{
    line-height: 1.5;
}
.text p{
    padding-bottom: 1rem;
}
.text p:last-child{
    padding-bottom: 0;
}
.text img,
.text video{
    max-width: 100%;
    height: auto;
}
a{
    color: var(--color);
    text-decoration: unset;
}
#header{
    position: absolute;
    width: 100%;
    top:0;
    left: 0;
    z-index: 999;
}
.home #header{
    position: fixed;
}
.header-wrap{
    padding: var(--space);
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}
.logo-menu{
    width: 18%;
    max-width: 250px;
    backdrop-filter: blur(20px);
    background-color: rgba(23,46,100,0.4);
    border-radius: .5rem;
    display: flex;
    overflow: hidden;
    cursor: pointer;
}
.logo{
    padding: .75rem;
}
.logo img{
    width: 100%;
    height: auto;
}
.menu{
    width:25%;
    background-color: var(--blue);
    flex: 0 0 25%;
    padding: 8% .75rem;
    position: relative;

}
.menu:before{
    position: absolute;
    top:0;
    bottom: 0;
    width: 0;
    background-color: var(--yellow);
    z-index: 0;
    content: '';
    transition: width .3s;
    left: 0;
}
.logo-menu:hover .menu:before{
    width: 100%;
}
.menu-open{
    position: relative;
    height: 100%;
    width: 100%;
    z-index: 2;
}

.menu span {
    display: block;
    position: absolute;
    height: 1px;        /* 线条粗细 */
    width: 100%;        /* 线条宽度占满容器 */
    background: #fff;   /* 线条颜色 */
    opacity: 1;
    left: 0;
    /* 关键：设置旋转中心为中心点，并添加过渡动画 */
    transform-origin: center center;
    transition: all 0.3s ease-in-out;
}
.menu span:nth-child(1) {
    top: 0;
}

/* 第二根线：位于垂直居中 */
.menu span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%); /* 精确居中修正 */
}

/* 第三根线：位于底部 */
.menu span:nth-child(3) {
    bottom: 0;
}
.menu.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

/* 第二根线：向右淡出 (或者直接 opacity: 0) */
.menu.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(10px); /* 可选：加一点位移让消失更自然 */
}

/* 第三根线：移动到中间，旋转 -45 度 */
.menu.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

.tool{
    display: flex;
    backdrop-filter: blur(20px);
    background-color: rgba(23,46,100,0.2);
    border-radius: .5rem;
    overflow: hidden;
}
.tool-item{
    width: 4rem;
    color: white;
}
.tool-item:last-child{
    border-left: rgba(23,46,100,0.2) solid 1px;
}
.tool-item ul li,
.tool-item ul{
    height: 100%;
}
.tool-item i,
.tool-item a{
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    cursor: pointer;
}

.tool-item .active{
    display: none;
}
.menu-content{
    position: fixed;
    width: 100%;
    height: 100%;
    left:0;
    top:0;
    opacity: 0;
    pointer-events: none;

}
.menu-bg{
    background-color: rgba(var(--darkBlue_rgb),0.2);
    backdrop-filter: blur(30px);
    position: absolute;
    width: 100%;
    height: 100%;
    top:0;
    bottom: 0;
}
.menu-content.active{
    opacity: 1;
    pointer-events: auto;
}
.menu-content.active ul{
    transform: translateX(0);
}
.menu-content ul{
    position: relative;
    transform: translateX(-100%);
    transition: transform .3s linear;
    width: 30%;
    background: linear-gradient(to bottom, rgba(var(--darkBlue_rgb),0.5) 0%,var(--darkBlue) 100%);;
    height: 100%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    z-index: 1;
}
.menu-content ul li{
    padding: .5rem var(--space);
}
.menu-content ul li a{
    font-size: 2rem;
    color: white;
}
.menu-content ul li a span{
    display: inline-block;
}




#cover {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
}



.scroll-track {
    width: 100%;
    height: 400vh;
    position: relative;
    z-index: 1;
}
.home-info,
.home-title{
    width: 100%;
    height: 100vh;
    position: fixed;
    top:0;
    left: 0;
    color: white;
    pointer-events: none;

}
.home-title h1{
    text-align: center;
    font-size: 3vw;
    padding-top: 25vh;

}

.home-title h1 .word-span {
    opacity: 0; /* 初始不可见，等待动画触发 */
    display: inline-block; /* 允许 transform (如果需要) */
    margin: 0 0.2em; /* 保持单词间距 */
}
.home-info{
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.home-info-plane{
    width: 50%;
    padding: var(--space);
    backdrop-filter: blur(30px);
    font-size: 1.2rem;
    clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
    background: rgba(0,0,255,0.2);

}
.home-info-plane a{
    color: var(--yellow);
    pointer-events: auto;
}
.home-info-plane h2{
    font-weight: 400;
    font-family: var(--font2);
    font-size: 1rem;
    padding-bottom: .5rem;
    margin-bottom: 1rem;
}
.home-info-plane h2:after{
    border: rgba(255,255,255,0.3)  solid 1px;
    border-bottom: none;
    height: 8px;
    content: '';
    display: block;
    margin-top: .5rem;
}
.home-info-plane h2,
.home-info-plane p {
    opacity: 0;
    transform: translateY(30px); /* 向下偏移 */
    filter: blur(10px); /* 高斯模糊 */
    will-change: transform, opacity, filter; /* 性能优化 */
}
#footer{
    position: relative;
    color: white;
    font-size: 13px;
    --color: white;
    padding: var(--space) 0;
    background-color: var(--darkBlue);
}
.home #footer{
    background-color: transparent;
}
.footer-wrap{
    display: flex;
}
.footer-wrap>div{
    padding: var(--space);
    flex: 1;
}

.footer-item h3{
    font-family: var(--font2);
    font-weight: 400;
    opacity: 0.5;
    padding-bottom: 1rem;
}
.footer-item h3:after{
    display: block;
    height: 8px;
    border:white solid 1px ;
    border-bottom: none;
    content: '';
    margin-top: .5rem;
}
.footer-item.first{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.footer-item.last{
    flex: 2;
}
.footer-item ul li{
    padding: .25rem 0;
}
.foot-logo img{
    width: 150px;
    height: auto;
}
.follow{
    font-size: 1.25rem;
    display: flex;
}
.follow a svg {
    width: 1rem;
    height: auto;
}
.follow a{
    background-color: rgba(255,255,255,0.3);
    display: flex;
    width: 2.5rem;
    height: 2.5rem;
    margin-right: .5rem;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.foot{
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 2rem;
    font-family: var(--font2);
}
.foot>div{
    padding:0 var(--space);
    opacity: 0.6;
}
#content{
    min-height: 80vh;
    position: relative;
    z-index: 2;
}
.page-header{
    min-height: 20rem;
    height: 50vh;
    background: linear-gradient(to top, var(--lightBlue) 0%,var(--blue) 100%);
    position: relative;
    overflow: hidden;
}
.no-top.page-header{
    min-height: 12rem;
    height: 15vh;
}

.page-header-bg{
    position: absolute;
    width: 100%;
    height: 100vh;
    top:0;
    left: 0;
    opacity: 0.5;
    filter: blur(20px);
    z-index: 1;
}
.page-header:before{
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--lightBlue) 10%,rgba(255,255,255,0) 100%);
    z-index: 2;
}
.page-header:after{
    content: '';
    position: absolute;
    width: 100%;
    height: 20%;
    background: linear-gradient(to bottom, var(--blue) 0%,rgba(255,255,255,0) 100%);
    z-index: 0;
    top:0;
}
.page-header-info{
    min-height: 20rem;
    height: 40vh;
    display: flex;
    align-items: flex-end;
    top:0;
    position: absolute;
    z-index: 3;
    width: 100%;
}
.page-header-info-wrap{
    width: 100%;
    padding: var(--space);
}
.page-header-info h1{
    font-size:5rem;
    font-weight: 400;
    color: var(--darkBlue);
    text-transform: uppercase;
}
.page-title span{
    display: block;
    font-size: 2rem;
}
.page-header-info-wrap:after{
    width: 100%;
    content: '';
    height: 5px;
    display: block;
    box-shadow: 1px 1px 1px rgba(0,0,0,0.1),inset 1px 1px 1px rgba(255,255,255,0.5);
    border-radius: 5px;
}
.content-page{
    position: relative;
    z-index: 2;
    padding:0 0 5rem 0;
}

.two{
    display: flex;
    align-items: flex-start;
}
.two .side{
    width: 23%;
    padding: var(--space);
    font-size: 1rem;
    font-weight: 500;
}
.side-info{
    padding-bottom: 1rem;
    font-size: 13px;
}
.side-info:before{
    content: '';
    border: var(--darkBlue) solid 1px;
    border-bottom: none;
    width: 100%;
    height: 8px;
    display: block;
    padding-bottom: .5rem;
}
.two .side ul{
    border-left: rgba(var(--darkBlue_rgb),1) solid 1px;
    margin-bottom: 2rem;
}
.two .side ul li{
    position: relative;
    padding-left: 1rem;
    cursor: pointer;
    margin-bottom: .5rem;
    display: flex;
    align-items: center;

}
.two .side ul li a:hover,
.two .side ul li:hover{
    color: var(--yellow);
}
.two .side>ul>li:before{
    box-shadow:0 0 0 var(--yellow);
    transition: all .3s linear;
    position: absolute;
    height: 0;
    display: block;
    width: 4px;
    top:0;
    background-color: var(--yellow);
    content: '';
    left: -2px;
    z-index: 2;
    border-radius: 2px;
}
.two .side ul li.active{
    color: var(--yellow);
}
.two .side ul li.active:before{
    box-shadow:0 0 10px var(--yellow);
    height: 100%;
}
.two .side>ul>li>ul{
    margin-left: 1rem;
    display: none;
}
.side-img{
    margin-bottom: 1rem;
}
.side img{
    width: 100%;
    height: auto;
}
.two .grid{
    width: 77%;
}
.grid{
    position: relative;
    z-index: 2;
}
.wrap{
    display: flex;
    flex-wrap: wrap;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 100%);
}
.wrap:before{
    border: solid var(--darkBlue) 1px;
    border-bottom: none;
    height: 8px;
    margin-left: var(--space1);
    margin-right: var(--space1);
    content: '';
    display: block;
    width: 100%;
    margin-top: var(--space1);
}
.grid .grid-title{
    padding:var(--space1) var(--space1) .5rem var(--space1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 2rem;
    font-weight: 400;
}
.grid-title-small a,
.grid .grid-title a{
    font-size: 1rem;
    color: var(--yellow);
    font-weight: 500;
    background-color: rgba(var(--darkBlue_rgb),0.1);
    padding: 2px .7rem;
    border-radius: 5px;
}
.grid-title-small{
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: .5rem var(--space1);
}

.grid-groups{
    padding:0 var(--space);
}
.grid-group{
    padding-bottom: 2rem;
}

.box{
    width: 33.3333%;
    padding: var(--space1);
}
.logo-box.box{
    width: 25%;
    text-align: center;
}
.box a{
    display: block;
    background-color: white;
    border-radius: .25rem;
    overflow: hidden;
    height: 100%;
}
.box2 a{
    display: flex;
    flex-direction: column-reverse;
}
.box2 .box-img{
    aspect-ratio: 4/3;
}
.box-img{
    aspect-ratio: 16/9;
    line-height: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.box-img video,
.box-img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition:transform .5s;
}
.logo-box  .box-img img{
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}
a:hover .box-img img{
    transform: scale(1.06);
}
.box-img i{
    border-radius: 5px;
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    z-index: 1;
    text-transform: uppercase;
    font-style: normal;
    font-size: 12px;
    font-family: var(--font2);
    display: inline-block;
    background-color: rgba(255,255,255,0.5);
    line-height: 1;
    padding: 3px 5px;
}
.box-info{
    padding: 1rem;
}
.box-info h3{
    font-size: 1rem;
}
.box2 .box-info h3{
    font-size: 2rem;
    font-weight: 400;
    padding-bottom: 5rem;
}
.box2 .box-del{
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-family: var(--font2);
}

.grid-list{
    padding:var(--space);
}

.list-item{
    padding: var(--space1) var(--space1) var(--space) var(--space1);
    background: linear-gradient(to bottom, rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 100%);
}
.list-item:hover{
    background: linear-gradient(to bottom, rgba(255,255,255,1) 0%,rgba(255,255,255,0) 100%);
}

.list-item:before{
    border: var(--darkBlue) solid 1px;
    border-bottom: none;
    width: 100%;
    display: block;
    height: 8px;
    content: '';
    margin-bottom: .5rem;
}
.list-header{
    display: flex;
    justify-content: space-between;
    padding-bottom: 1rem;
}
.list-header .nub{
    font-family: var(--font2);
    border-radius: 50%;
    background-color: rgba(var(--darkBlue_rgb),0.5);
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: white;
}
.pub-icon {
    display: flex;
}
.pub-icon a{
    display: inline-block;
    padding-left: .5rem;
    font-size: 1.2rem;
    color: var(--yellow);
}
.list-content h2{
    font-weight: 500;
    font-size: 1.5rem;
}
.list-content .text{
    padding-top: 1rem;
    font-size: 13px;
}
.top-swiper .swiper-slide{
    width: 60vw;

}
.swiper-slide .box{
    width: 100%;
}
.swiper-slide .box a{
    display: flex;
}
.swiper-slide .box .box-img{
    width: 60%;
    aspect-ratio: 4/3;
}
.swiper-slide .box .box-info{
    width: 40%;
}
.swiper-slide .box .box-info h3{
    font-size: 1.5rem;
}
.top-slider{
    position: relative;
    margin: calc(var(--space2) * -1) 0 var(--space2) 0;
    background: linear-gradient(to top, rgba(var(--blue_rgb),0.5) 0%,rgba(255,255,255,0) 100%);
    --swiper-theme-color:var(--blue);
    --swiper-pagination-bullet-size:12px;
}
.top-slider:after{
    content: '';
    position: absolute;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 100%);
    height: 100%;
    display: block;
    left: var(--space);
    right: var(--space);
    top:0;
}
.top-slider>h2{
    position: relative;
    z-index: 1;
    padding: var(--space) calc(var(--space) + var(--space1)) 0 calc(var(--space) + var(--space1));
    font-family: var(--font2);
    font-size: 1rem;
    font-weight: 400;
}
.top-slider>h2:after{
    display: block;
    height: 8px;
    border: solid var(--darkBlue) 1px;
    border-bottom: none;
    content: '';
    margin-top: .5rem;
}
.top-slider .swiper{
    padding:0 var(--space);
}
.swiper-tool{
    display: flex;
    margin: var(--space) 0;
    padding:0 var(--space1);
    position: relative;
    align-items: center;
}
.swiper-btn{
    display: flex;
    background: rgba(23,46,100,0.2);
    padding: 5px;
    border-radius: 5px;
}
.swiper-btn>div{
    background: var(--blue);
    border-radius: 5px;
    margin: 1px;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.swiper-btn>div:before {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 0;
    background-color: var(--yellow);
    content: '';
    transition: width .3s;
    left: 0;
    z-index: 0;
}
.swiper-btn>div:hover:before{
    width: 100%;
}
.swiper-btn>div i{
    position: relative;
    z-index: 1;
}
.swiper-button-disabled{
    pointer-events: none;
    opacity: 0.5;
}
.top-swiper .swiper-pagination{
    bottom: auto;
    width: auto;
    padding: 5px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-self: center;
    left: 50%;
    transform: translateX(-50%);
}
.text-plane{
    width: 100%;
    padding:var(--space1) var(--space);
}

.single-page-header-info h1{
    text-transform: unset;
    font-size: 3rem;
    padding-bottom: .5em;
    text-align: center;
}
.single-content{
    background: linear-gradient(to bottom, var(--lightBlue) 0%,rgba(255,255,255,1) 20%);
}
.single-content .text{
    padding:0 var(--space);
}
.team-plane{
    padding:var(--space);
}
.team-plane header{
    background: linear-gradient(to bottom, rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 100%);
    padding:var(--space1);
}
.team-plane header:before{
    width: 100%;
    height: 8px;
    border: var(--darkBlue) solid 1px;
    border-bottom: none;
    content: '';
    display: block;
}
.team-plane header h2{
    display: flex;
    justify-content: space-between;
    font-size: 3rem;
    font-weight: 500;
}
.team-plane header h2 span{
    font-size: 1.5rem;
    font-weight: 400;
}
.team-plane header h3{
    font-weight: 400;
    padding-top: 1rem;
    font-size: 1.5rem;
}
.bg{
    background-color: var(--darkBlue);
    position: fixed;
    width: 100%;
    height: 100%;
    top:0;
    left: 0;
    z-index: 99999;
    pointer-events: none;
}
.home .bg{
    top:100%;
}
.m-pagination{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space);
    margin-top: 2rem;
}
.pagenavi{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    border: var(--darkBlue) solid 1px;
}

.pagenavi li{
    display: block;

}
.pagenavi li span,
.pagenavi li a{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    font-size: 1.2rem;
    font-weight: 500;
    border: var(--darkBlue) solid 1px;
}
.pagenavi li.pages span{
    width: 5rem;
}
.pagenavi li span.current{
    color: var(--yellow);
}

.pagenavi li a:hover{
    color: white;
    background-color:  var(--darkBlue);
    border:  var(--darkBlue) solid 1px;
}


.paged .fu-met{
    display: none;
}
.tutorials-14,.reviews-15,.certificates-28,.staff-19,
li[data-id="14"], li[data-id="15"] {
    display: none !important;
}
.password-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background:var(--lightBlue);
    text-align: center;
}
.password-content>div {
    display: flex;
    flex-direction: column;
}
.password-content input[type=submit]{
    width: 100%;
    padding:.5rem 1rem;
    border: #000 solid 2px;
    border-top:none;
    cursor: pointer;
    font-size: 1.2rem;
    background-color: var(--darkBlue);
    color: #fff;
}
.pass-tip{
    padding-bottom: .5rem;
    color: #ff0000;
}
.plane-box a{
    height: 100%;
}
.password-content .password-text {
    border: #000 solid 2px;
    width: 300px;
    padding: .5rem 1rem;
    font-size: 1.2rem;
}
.search-f{
    background-color: var(--blue);
    width: 0;
    overflow: hidden;
    transition: width .3s linear;
}
.search-f.show{
    width: 15vw;
}
.search-f form{
    height: 100%;
}
.search-f form input{
    height: 100%;
    background-color: transparent;
    color: white;
    border: unset;
    padding: 1rem;
    width: 100%;
}
.list-box .aa, .list-box a {
    display: flex;
    width: 100%;
    border-bottom: var(--blue) solid 1px;
}
.list-box .img {
    width: 20%;
    padding: 0 1rem;
    text-align: center;
}
.list-box .aa>*, .list-box a>* {
    border-right: var(--blue) solid 1px;
}
.list-box .aa>*:last-child, .list-box a>*:last-child{
    border-right: unset;
}
.list-box .img img {
    width: 100%;
    height: auto;
}
.list-box{
    width: 100%;
    padding:var(--space1);
}
.list-box h3 {
    font-weight: 400;
    flex: 1;
    display: flex;
    align-content: center;
    align-items: center;
    font-size: 1rem;
    padding: .5rem 1rem;
}