.content {
    margin: 0 auto;
}

.line {
    display: flex;
}

@font-face {
    font-family: bbt;
    src: url(../font/尔雅新大黑（3500字试用版）.ttf);
}

@font-face {
    font-family: ali;
    src: url(../font/阿里妈妈数黑体.ttf);
}

.head {
    position: relative;
    background-image: url(../img/背景图.png);
    background-repeat: no-repeat;
    max-width: 1920px;
    max-height: 560px;
}


/* 字体图标 */
@font-face {
    font-family: 'iconfont';
    src: url('../iconfont/iconfont.woff2') format('woff2'),
        url('../iconfont/iconfont.woff') format('woff'),
        url('../iconfont/iconfont.ttf') format('ttf');
}

.iconfont {
    font-family: "iconfont" !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* 导航栏区域 */
.nav {
    position: absolute;
    left: 0px;
    position: fixed;
    top: 0px;
    z-index: 1000;
    width: 100%;
    background-color: #fff;
    /* box-shadow: 0px 1px 10px #d7d7d7; */
}

.tatal {
    width: 1240px;
    height: 72px;
}

.tatal .logo {
    background-image: url(../img/组\ 1015@1x.png);
    width: 82px;
    height: 36px;
    background-size: 82px 36px;
    background-repeat: no-repeat;
    margin-top: 18px;
}

.tatal .homepage {
    width: 32px;
    height: 22px;
    opacity: 1;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
    margin-top: 25px;
    margin-left: 80px;
    cursor: pointer;
}

.tatal .case {
    width: 64px;
    height: 22px;
    opacity: 1;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
    color: #666666;
    margin-top: 25px;
    margin-left: 40px;
    cursor: pointer;
}


/* 头部 */
.header {
    width: 1240px;
    height: 488px;
    margin-top: 72px;
    perspective: 800px;
    /* 为 3D 效果提供景深 */
}

.header .bigWord1 {
    width: 252px;
    height: 40px;
    opacity: 1;
    font-size: 36px;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0em;
    color: #333333;
    margin-top: 98px;
    font-family: bbt;
}

.word {
    width: 664px;
    height: 488px;
}

.smile {
    background-image: url(../img/smile.png);
    background-size: 35px 35px;
    width: 35px;
    height: 35px;
    margin-left: 8px;
    margin-top: 103px;
}

.header .bidWord2 {
    /* width: 0; */
    min-width: 0;
    height: 50px;
    font-size: 36px;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0em;
    margin-top: 16px;
    /* font-family: bbt; */
    font-family: 'bbt';
    white-space: nowrap;
    display: inline-block;
    vertical-align: bottom;
    overflow: hidden;
    /* 光标闪烁，不影响文字显示 */
    color: #333;
    line-height: 1.2;
    vertical-align: middle;
    display: inline-flex;
    /* 改用 flex */
    align-items: center;
    /* 垂直居中 */
    height: 50px;
    /* 保持固定高度 */
}

.header .bidWord2 span {
    /* 替换为 Arial 或系统字体 */
    font-family: Arial, sans-serif;
    font-weight: bold;
}

.flicker {
    display: inline-block;
    margin-top: 31px;
    width: 17px;
    height: 5px;
    background: currentColor;
    vertical-align: baseline;
    margin-left: 0.2em;
    animation: blink 0.75s step-end infinite;
}

@keyframes blink {

    from,
    to {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

.header .smallword1 {
    margin-top: 24px;
}

.header .bidWord2 span {
    font-family: ali;
}

.header .smallword1 {
    margin-top: 24px;
}

@keyframes blink {

    from,
    to {
        color: transparent;
    }

    50% {
        color: #000;
    }
}

.header .small {
    width: 653px;
    font-size: 16px;
    font-weight: normal;
    line-height: 158%;
    letter-spacing: 0em;
    color: #666666;
}

.header .start {
    width: 180px;
    height: 60px;
    border-radius: 8px;
    background: linear-gradient(89deg, #41B1F2 -3%, #336BFF 98%);
    box-shadow: 0px 8px 8px 0px rgba(32, 116, 241, 0.17);
    margin-top: 70px;
    transition: all 1.5s ease;
}

/* 按钮这个盒子的变换 */
.start:hover {
    transform: scale(1.2);
    box-shadow: 0px 8px 8px 0px rgba(70, 139, 244, 0.17);
}

.header button {
    align-items: center;
    margin-left: 36px;
    border: none;
    background: none;
    font-size: 24px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0px;
    color: #FFFFFF;
}

.button:hover {
    align-items: center;
    /* margin-left: 100px; */
    border: none;
    font-size: 24px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0px;
    color: #FFFFFF;
}

.image {
    position: relative;
    width: 692px;
    transition: all 2s ease;
    transform: translate3d(0, 0, 0);
    cursor: default;
}

.image:hover {
    transform: rotate3d(1, -1, 1, 6deg);
}

.image .bookimg {
    position: absolute;
    background-image: url(../img/bookimg.png);
    width: 96px;
    height: 96px;
    top: 269px;
    left: -48px;
}

.image .circle {
    position: absolute;
    background-image: url(../img/圆形\ 124@1x.png);
    width: 40px;
    height: 6px;
    bottom: 101px;
    left: -20px;
    background: rgba(26, 140, 254, 0.2);
    filter: blur(6.32px);
}

.image .clap {
    position: absolute;
    background-image: url(../img/clap.png);
    background-size: contain;
    background-repeat: no-repeat;
    width: 576px;
    height: 407px;
    top: 52px;
    left: 35.895px;
}

.image .smallimg {
    position: absolute;
    background-image: url(../img/smallimg.png);
    background-repeat: no-repeat;
    background-size: contain;
    width: 359px;
    height: 259px;
    bottom: 78px;
    left: 315px;
    box-shadow: none !important;
}

.image .share {
    position: absolute;
    background-image: url(../img/share.png);
    width: 37px;
    height: 23px;
    top: 221px;
    left: 575px;
}

.image .point {
    position: absolute;
    background-image: url(../img/point.png);
    width: 42px;
    height: 36px;
    top: 225px;
    left: 607px;
}


/* 轮播图区域 */
.banner {
    width: 1240px;
    height: 636px;
}


/* 侧边轮播图 */
.banner .conBanner {
    position: relative;
    width: 280px;
    height: 476px;
    margin-top: 80px;
}

.banner .conBanner .Affair {
    position: relative;
    width: 280px;
    height: 110px;
    border-radius: 12px;
    opacity: 1;
    background: #F7F8FB;
    z-index: 1;
    margin-bottom: 12px;
    transition: all 0.5s ease;
}

.banner .conBanner .Affair:hover {
    background-image: url(../img/banner_bgc.png);
    display: block;
}

.platform {
    position: relative;
    width: 320px;
    height: 110px;
    border-radius: 12px;
    opacity: 1;
    z-index: 1;
    margin-bottom: 12px;
}

.Stu {
    background-image: url(../img/banner_bgc.png);
    display: block;
}

.banner .conBanner p {
    position: absolute;
    width: 72px;
    height: 25px;
    opacity: 1;
    font-size: 18px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0em;
    color: #333333;
    top: 20px;
    left: 19px;
}

.banner .conBanner span {
    position: absolute;
    font-size: 14px;
    font-weight: normal;
    line-height: 20px;
    letter-spacing: 0em;
    color: #666666;
    z-index: 1;
    top: 50px;
    left: 19px;
}

/* .StudentAffair:hover .arrow1 {
    opacity: 1;
}
.academic:hover .arrow2 {
    opacity: 1;
}
.enrollment:hover .arrow3 {
    opacity: 1;
}
.Enrollment:hover .arrow4 {
    opacity: 1;
}
.open{
    display: block;
} */

.arrow1 {
    /* opacity: 0; */
    position: absolute;
    background-size: contain;
    background-image: url(../img/arrow.png);
    width: 40px;
    height: 40px;
    top: 35px;
    left: 280px;
    transition: all 0.2s ease;
}

.arrow2 {
    opacity: 0;
    position: absolute;
    background-image: url(../img/arrow.png);
    width: 40px;
    height: 40px;
    top: 35px;
    left: 280px;
    transition: all 0.2s ease;
}

.arrow3 {
    opacity: 0;
    position: absolute;
    background-image: url(../img/arrow.png);
    width: 40px;
    height: 40px;
    top: 35px;
    left: 280px;
    transition: all 0.2s ease;
}

.arrow4 {
    opacity: 0;
    position: absolute;
    background-image: url(../img/arrow.png);
    width: 40px;
    height: 40px;
    top: 35px;
    left: 280px;
    transition: all 0.2s ease;
}


/* 变化的轮播图片 */
.bigbantra {
    transition: all 0.2s ease;
}

.changeBigBan {
    position: relative;
    background-image: url(../img/容器\ 1198@1x.png);
    width: 916px;
    height: 476px;
    margin-top: 80px;
    margin-left: 40px;
}

.chang {
    /* position: absolute; */
    width: 916px;
    height: 476px;
}

.changeBigBan .chang .table {
    position: absolute;
    background-image: url(../img/table.png);
    width: 714px;
    height: 390px;
    margin-top: 86px;
    margin-left: 90px;
}

.changeBigBan .bannerText {
    position: absolute;
    background-image: url(../img/bannerText.png);
    width: 403px;
    height: 289px;
    margin-top: -25px;
    margin-left: -25px;
    transition: all 1.5s ease;
    opacity: 0;
}

.changeBigBan .bannerText p {
    margin-top: 87px;
    margin-left: 91px;
    width: 216px;
    height: 109px;
    opacity: 1;
    font-size: 16px;
    font-weight: 600;
    line-height: 158%;
    letter-spacing: 0em;
    color: #3D3D3D;
}

.rightBan {
    position: absolute;
    background-image: url(../img/rightBan.png);
    width: 401px;
    height: 277px;
    top: 182px;
    right: 39px;
    transition: all 0.5s ease;
    opacity: 0;
}

.second_banner {
    opacity: 0;
}

.table2 {
    position: absolute;
    background-image: url(../img/table2\ \(2\).png);
    width: 558px;
    height: 386px;
    border-radius: 7.14px;
    top: 48.5px;
    margin-left: 167.5px;
    /* opacity: 0; */
}

.bannerText2 {
    position: absolute;
    background-image: url(../img/bannerText2.png);
    width: 403px;
    height: 289px;
    border-radius: 12px;
    box-sizing: border-box;
    top: 1px;
    margin-left: 516px;
    transition: all 0.8s ease;
}

.bannerText2:hover {
    transform: scale(1.2);
    cursor: pointer;
}

.rightBan2_1 {
    position: absolute;
    background-image: url(../img/rightBan2_1.png);
    width: 319px;
    height: 167px;
    top: 88.5px;
    margin-left: 85px;
    transition: all 0.8s ease;
}

.rightBan2_1:hover {
    transform: scale(1.2);
    cursor: pointer;
}

.rightBan2_2 {
    position: absolute;
    background-image: url(../img/rightBan2_2.png);
    width: 319px;
    height: 167px;
    top: 303.5px;
    margin-left: 282.5px;
    transition: all 0.8s ease;
}

.rightBan2_2:hover {
    transform: scale(1.2);
    cursor: pointer;
}

.rightBan2_3 {
    position: absolute;
    background-image: url(../img/rightBan2_3.png);
    width: 319px;
    height: 167px;
    top: 204.5px;
    margin-left: 501.5px;
    transition: all 0.5s ease;
}

.rightBan2_3:hover {
    transform: scale(1.2);
    cursor: pointer;
}

.third_banner {
    opacity: 0;
}

.table3 {
    position: absolute;
    background-image: url(../img/table3.png);
    width: 558px;
    height: 386px;
    border-radius: 7.14px;
    top: 48.5px;
    margin-left: 167.5px;
}

.forth_banner {
    opacity: 0;
}



/* 网格布局 */
.Gallery {
    width: 1240px;
    height: 979px;
    position: relative;
    background-image: url(../img/bgc_应用案例.png);
}

/* 目标位置 */
.targetLocation {
    margin-top: 1195.98px;
}

/* 网格布局 导航栏 */
.Gallery .nav {
    width: 1240px;
    height: 75px;
}

.Gallery .content .GalleryNavBig {
    font-size: 44px;
    font-weight: 600;
    line-height: 158%;
    letter-spacing: 0em;
    color: #3D3D3D;
}

.Gallery .content .Gallery_logo {
    background-image: url(../img/love.png);
    width: 50px;
    height: 50px;
    margin-left: 14px;
    margin-top: 10px;
}

.heart_top {
    background-image: url(../img/heart_top.png);
    background-repeat: no-repeat;
    width: 29px;
    height: 31px;
    opacity: 0;
    transition: all 0.1s ease;
}

.heart_top.animate {
    animation: floattop 1s infinite ease-out;
}



@keyframes floattop {
    0% {
        opacity: 0;
        transform: translateY(0);
        /* 可选：轻微缩小开始 */
        transform: translateY(0) scale(0.8);
    }

    25% {
        opacity: 1;
        transform: translateY(-16px) scale(1);
    }

    75% {
        opacity: 0.5;
        transform: translateY(-24px) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateY(-32px) scale(1);
        /* 向上冒 20px */
    }
}

.heart_right {
    background-image: url(../img/heart_right.png);
    width: 29px;
    height: 31px;
    margin-top: -9px;
    margin-left: 34.93px;
    opacity: 0;
    transition: all 2s ease;
}

.heart_right.animate {
    animation: floatUpHeart 1.5s infinite ease-out;
}

.heart_left {
    background-image: url(../img/heart_left.png);
    width: 29px;
    height: 31px;
    margin-top: -24px;
    margin-left: -4.93px;
    opacity: 0;
    transition: all 2s ease;
}

.heart_left.animate {
    animation: floatleft 0.8s infinite ease-out;
}

@keyframes floatUpHeart {
    0% {
        opacity: 0;
        transform: translateY(0);
        /* 可选：轻微缩小开始 */
        transform: translateY(0) scale(0.8);
    }

    25% {
        opacity: 1;
        transform: translateY(-16px) scale(1);
    }

    75% {
        opacity: 0.5;
        transform: translateY(-24px) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateY(-32px) scale(1);
        /* 向上冒 20px */
    }
}

@keyframes floatleft {
    0% {
        opacity: 0;
        transform: translateY(0);
        /* 可选：轻微缩小开始 */
        transform: translateY(0) scale(0.8);
    }

    25% {
        opacity: 1;
        transform: translateY(-16px) scale(1);
    }

    75% {
        opacity: 0.5;
        transform: translateY(-24px) scale(1);
    }

    100% {
        opacity: 0;
        transform: translateY(-32px) scale(1);
        /* 向上冒 20px */
    }
}


.Gallery .content .Gallery_left {
    font-size: 40px;
    margin-top: 35px;
    margin-left: 900px;
    cursor: pointer;
    color: #666;
}

.Gallery .content .Gallery_right {
    font-size: 40px;
    margin-top: 35px;
    margin-left: 20px;
    cursor: pointer;
    color: #0064FE;
}

.Gallery .Gallery_small {
    font-size: 22px;
    font-weight: 600;
    line-height: 158%;
    letter-spacing: 0em;
    color: #999999;
}


/* 网格布局的网格 */
.girdy {
    width: 2550px;
    height: 748px;
    transition: all 1s ease;
}

.frid {
    position: absolute;
    width: 1263px;
    height: 788px;
    overflow: hidden;
}

/* 两个网格布局 */

.Gallery .Gallery_grid {
    display: grid;
    width: 1263px;
    height: 748px;
    gap: 24px;
    align-items: start;
    margin-top: 40px;
    grid-template-rows: repeat(2, 1fr);
    grid-template-columns: repeat(3, 1fr);
    /* 3 列，每列宽度相等 */
}


.Gallery .Gallery_grid .Grid {
    width: 397px;
    height: 339px;
    border-radius: 12px;
    /* background-color: #bbbbbb; */
}

.GalleryGrid_img2 {
    align-items: start;
    width: 397px;
    height: 224px;
    border-radius: 12px 12px 0px 0px;
    opacity: 1;
    background: linear-gradient(77deg, #F8F6FB -1%, #ECE5F5 104%);
}

.Gallery_grid .Grid .GalleryGrid_img1 {
    align-items: start;
    width: 397px;
    height: 224px;
    border-radius: 12px 12px 0px 0px;
    opacity: 1;
    background: linear-gradient(77deg, #F5F9FF -1%, #E5EDFF 104%);
}

.GalleryGridImg {
    background-image: url(../img/GalleryGridImg.png);
    width: 308px;
    height: 199px;
    margin-top: -201px;
    margin-left: 45px;
}

.Gallery_grid .Grid .GalleryGrid_word1 .GalleryGrid_word1_logo {
    background-image: url(../img/taiyuan.png);
    width: 121px;
    height: 24px;
    margin-top: 24px;
    margin-left: 20px;
}

.Gallery_grid .Grid .GalleryGrid_word1 .GalleryGrid_word1_word {
    font-size: 16px;
    font-weight: normal;
    line-height: 158%;
    letter-spacing: 0em;
    color: #666;
    margin-top: 12px;
    margin-left: 20px;
}



/* 网格隐藏出现区域 */
.appear_look {
    position: relative;
    background-image: url(../img/look.png);
    width: 398px;
    height: 247px;
    margin-top: -224px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
}

.appear_look .appear_taiyuanLOGO {
    position: absolute;
    background-image: url(../img/taiyuan.png);
    width: 121px;
    height: 24px;
    top: 23px;
    left: 24px;
}

.appear_look .appear_word {
    top: 71px;
    left: 24px;
    width: 350px;
    height: 70px;
    position: absolute;
    font-size: 16px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    color: #666666;

}

.appear_look .appear_btn {
    position: absolute;
    top: 180px;
    left: 24px;
    width: 350px;
    height: 44px;
    border-radius: 4px;
    opacity: 1;
    background: #2372FA;
}

.appear_look .appear_btn .appearBtn {
    margin-left: 143px;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 500;
    line-height: normal;
    color: #FFFFFF;
}




/* 鼠标悬停，隐藏部分显示出来 */
.Grid:hover .appear_look {
    opacity: 1;
    visibility: visible;
}


/* 页脚 */
footer {
    background-image: url(../img/foot_bgc.png);
    background-repeat: no-repeat;
    max-width: 1920px;
    height: 200px;
}

footer .foot_word {
    margin-top: 85px;
    margin-left: 649px;
    max-width: 1920px;
    height: 38px;
    opacity: 1;
    font-size: 30.76px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    color: #333333;
}

footer .foot_img {
    background-image: url(../img/爱心icon@1x.png);
    background-repeat: no-repeat;
    margin-top: 33px;
    width: 140px;
    height: 140px;
    opacity: 1;
}


/* 公安 */
.end_public {
    position: relative;
    max-width: 1920px;
    height: 160px;
}

.public {
    position: absolute;
    background-image: url(../img/邮箱.png);
    background-repeat: no-repeat;
    top: 54px;
    left: 626px;
    width: 640px;
    height: 20px;
    color: #666666;
}

.security {
    position: absolute;
    background-image: url(../img/公安.png);
    background-repeat: no-repeat;
    width: 760px;
    height: 18px;
    top: 88px;
    left: 566px;
    bottom: 54px;
}