.intelligent  {
    background-color: #f6f8fb;
}
.container_box {
    min-height: 100vh;
}
.banner {
    width: 100%;
    padding-top: 0;
    position: relative;
}
.banner .strip {
    background: #587faf;
    height: 18px;
    width: 100%;
    position: absolute;
    bottom: 0;
    z-index: 9;
}
.banner-con {
    width: 100%;
    min-height: 100vh;
    background: url("/images/product/banner.jpg") no-repeat;
    background-size: cover;
    padding: 160px 250px 0px 250px;
    box-sizing: border-box;
    position: absolute;
    left: 0;
}
.banner-div {
    width: 47%;
}
.banner-div h3 {
    font-size: 46px;
    color: #182c49;
    font-weight: normal;
    padding-top: 40px;
}
.banner-div p {
    font-size: 18px;
    color: #182c49;
    line-height: 35px;
    margin: 36px 0 54px;
}
.banner-div a {
    width: 172px;
    height: 48px;
    line-height: 48px;
    background: #0070fa;
    border-radius: 8px 8px 8px 8px;
    display: block;
    color: #ffffff;
    font-size: 18px;
    text-align: center;
    cursor: pointer;
}

.banner-tab {
    width: 36.3%;
    background: rgba(0, 45, 100, 0.3);
    position: absolute;
    bottom: 14%;
    left: 13%;
    z-index: 9;
}
.banner-tab .banner-tab-div {
    width: 100%;
    display: flex;
    align-items: center;
}
.banner-tab-p span{
    display: block;
}

.banner-tab li {
    width: 35%;
    color: #fff;
    padding: 15px 0px 15px 15px;
    box-sizing: border-box;
    cursor: pointer;
    position: relative;
}
.banner-tab .banner-num {
    width: 30px;
    height: 30px;
    line-height: 30px;
    display: inline-block;
    background: #76b3ff;
    border-radius: 100%;
    text-align: center;
    margin-right: 10px;
    margin-top: 3px;
    font-size: 16px;
}
.banner-tab .banner-num1 {
    background: #0070fa;
}
.banner-tab p {
    width: 72%;
    font-size: 14px;
}
.banner-tab .banner-line {
    width: 1px;
    height: 100%;
    background: rgba(0, 45, 100, 0.3);
    margin-left: 20px;
}
.banner-tab .banner-line1 {
    background: none;
}
.banner-tab .active-line {
    position: absolute;
    bottom: 0;
    left: 0;
    border-bottom: solid 3px #fff;
    animation-play-state: running;
    animation: testAni 5.1s linear infinite;
}
.banner-tab li:hover .active-line{
    animation-play-state: paused;
}
@keyframes testAni {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

.banner-right {
    width: 62px;
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9;
}
.banner-right li {
    width: 100%;
    font-size: 12px;
    color: #2263b4;
    text-align: center;
    margin-top: 10px;
    position: relative;
    cursor: pointer;
    box-sizing: border-box;
}
.banner-right .banner-right-div {
    height: 62px;
    background: #ffffff;
    border: 1px solid #2263b4;
    display: flex;
    flex-wrap: wrap;
}
.banner-right-div img {
    display: inline-block;
    margin: 5px auto 0;
}
.banner-right-div span {
    width: 100%;
}
.banner-right-div .right-dhcol {
    display: block;
}
.banner-right-div .right-dhShow {
    display: none;
}

.banner-right-box {
    width: 0;
    height: 62px;
    line-height: 62px;
    background: #1458ea;
    position: absolute;
    right: 60px;
    top: 0px;
    text-align: right;
    box-sizing: border-box;
    overflow: hidden;
    transition-property: width;
    transition-duration: 0.1s;
    transition-timing-function: ease;
    transition-delay: 0.1s;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}
.banner-right-box span {
    margin-right: 17px;
}
.banner-right li:hover .banner-right-div {
     background-color: #1458ea;
     color: #fff;
}
.banner-right li:hover .right-dhShow {
    display: block;
}
.banner-right li:hover .right-dhcol {
    display: none;
}
.banner-right li:hover .banner-right-box {
     width: 200px;
 }

.intelligent-con {
    margin: 0 auto;
}

.p_480 {
    width: 480px;
    line-height: 30px;
}

.text_style span {
    color: #464646;
}
.go_btn {
    padding: 0.24rem 0;
    width: 2.6rem;
    border-radius: 50px;
}

.process_title {
    font-size: 26px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 10px;
    color: #182c49;
}
.text_after::after {
    content: "";
    display: block;
    width: 70px;
    height: 6px;
    background: #0070fa;
    margin: 0 auto;
    margin-top: 10px;
}
.lc-dt {
    width: 1180px;
    margin: 60px auto;
    background: url("/images/product/img_bz_bg1 1.png") no-repeat;
    background-position-y: 0;
    display: flex;
    justify-content: space-between;
}
.lc-dt li {
    width: 228px;
    height: 360px;
    background-color: transparent;
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
}
.lc-dt li:hover {
     background: hsla(0, 0%, 100%, 0.8);
     box-shadow: 3px 3px 4px 1px #f2f3f5;
     border-radius: 8px;
     transition: all 1s;
 }
.lc-dt li .t1 {
    font-size: 30px;
    font-weight: 700;
    color: #1458ea;
    margin: 22px auto 20px;
}
.lc-dt li .t2 {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}
.lc-dt li .desc {
    padding: 20px 35px 0 60px;
    font-size: 16px;
    position: relative;
    z-index: 2;
    text-align: left;
    line-height: 24px;
}
.bg_diff {
    height: 628px;
    position: relative;
    overflow: hidden;
}
.bg_filter {
    width: 100%;
    height: 628px;
    position: absolute;
    top: 0;
    left: 0;
}
.bg_filter::after {
     content: "";
     display: block;
     background: url("/images/product/banner.jpg") no-repeat;
     height: 628px;
     width: 100%;
     background-size: 100% 628px;
     filter: blur(100px);
 }

.diff_use {
    height: 500px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    position: absolute;
}
.platform-container {
    margin: 20px auto 0;
    width: 1228px;
    height: 382px;
    display: flex;
    position: relative;
    justify-content: center;
}
.platform-box {
    position: relative;
    overflow: hidden;
    height: 382px;
    width: 281px;
    border-radius: 4px;
    background-color: #ffffff;
    margin-right: 16px;
    float: left;
}
.platform-box-img {
    width: 100%;
    padding: 24px 0px 10px 24px;
    text-align: left;
}
.platform-box-img  img {
    height: 64px;
    width: 64px;
}

.platform-box-item {
    position: absolute;
    top: 98px;
    bottom: 0;
    width: auto;
    background: #fff;
    margin-left: 24px;
}
.platform-box-item .title {
    color: #191140;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 28px;
    margin-bottom: 16px;
    text-align: left;
}
.platform-box-item hr {
    box-sizing: border-box;
    height: 1px;
    width: 32px;
    border: 1px solid #3a8ee6;
    margin: 0px;
}
.item-desc {
    margin-top: 16px;
    text-align: left;
}
.item-desc-title {
    color: #191140;
    font-size: 16px;
    letter-spacing: 0;
    line-height: 22px;
    margin-bottom: 8px;
}
.item-desc-li {
    color: #65697f;
    font-size: 14px;
    letter-spacing: 0;
    line-height: 14px;
    margin-bottom: 16px;
    position: relative;
    margin-left: 12px;}

.item-desc-li::before {
     content: " ";
     display: inline-block;
     height: 4px;
     width: 4px;
     background-color: #c1c7d0;
     position: absolute;
     top: 5px;
     left: -12px;
     border-radius: 50%;
 }
.product-button {
    box-sizing: border-box;
    height: 40px;
    width: 233px;
    border: 1px solid #3a8ee6;
    border-radius: 4px;
    margin-top: 32px;}

.product-button a {
    color: #3a8ee6;
    font-size: 14px;
    letter-spacing: 0;
    line-height: 38px;
    width: 100%;
    border-radius: 4px;
    text-align: center;
    display: inline-block;
    cursor: pointer;
}
.product-button a:hover {
     background-color: #ddecff;
 }


.platform-box-content {
    transition: all 0.3s;
    -ms-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    transform: translateY(0px);
    -moz-transform: translateY(0px);
    -o-transform: translateY(0px);
    -webkit-transform: translateY(0px);
}

.mv_box {
    height: 690px;
    width: 100%;
}
.hx-ys {
    width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding-top: 60px;
}
.hx-ys li {
    width: 380px;
    height: 484px;
    box-shadow: 3px 3px 4px 1px #f2f3f5;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}
.scale-img:hover {
    transform: scale(1.1);
    transition: all 0.6s;
}
.center-dt {
    padding: 44px 0 0 30px;
}
.center-dt h1 {
    font-size: 18px;
    margin: 0;
    text-align: left;
}

.hx-ys  i {
    position: absolute;
    top: 86px;
    left: 168px;
    font-size: 42px;
    z-index: 99;
    cursor: pointer;
    color: #fff;
}
.hx-ys .posit-imgs {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 200px;
    background-size: 100% 100%;
    padding: 0 30px;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #182c49;
    line-height: 30px;
    text-align: left;
}
.hx-ys .p-dv {
    width: 100%;
    height: 214px;
    overflow: hidden;
}


.video_box {
    position: absolute;
    height: 100vh;
    top: 0;
    left: 0;
}
.video_layout {
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
.video_layout video {
    width: 75%;
}
.video_layout .iconfont {
    position: absolute;
    right: 8%;
    top: 5.6%;
    font-size: 20px;
    background-color: hsla(0, 0%, 100%, 0.5);
    cursor: pointer;
    padding: 10px;
}
.w_1200 {
    width: 90%;
}
.p_t_b_220 {
    padding: 60px 0 0;
}

/*学生睡眠*/
.container_box {
    background: #fff;
}
.go_btn {
    display: inline;
    padding: 17px 56px;
    border-radius: 50px;
    font-size: 16px;
    margin-right: 15px;
}

.b_left_box {
    color: #000;
}
.f_s_48 {
    font-size: 80px;
    font-weight: bold;
}
.p_480 {
    width: 480px;
    line-height: 30px;
}
.b_left_box-p {
    font-size: 38px;
    margin: 30px 0;
}
.b_left_box-p2 {
    font-size: 18px;
    margin: 30px 0;
}
.b_left_box-div{
    margin: 30px 0;
}

.text_style span {
    color: #464646;
}
.bg_choose {
    width: 100%;
    height: 230px;
    margin-top: 50px;
    background-size: 100% 230px;
}
.place_box {
    width: 100%;
    height: 570px;
    background-size: 100% 570px;
}

.go_btn {
    display: inline;
    padding: 17px 56px;
    border-radius: 50px;
    font-size: 16px;
    color: #fff;
    cursor: pointer;
}
.header_box_main {
    padding-top: 80px;
    padding-bottom: 30px;
}
.header_box_main  .logo_icon {
    background-position: 0 0;
    width: 73px;
    height: 70px;
    margin-right: 20px;
}
.header_box_main .nav_box {
    margin: 0 10px;
}
.header_box_main .login_box {
    padding: 10px;
    border: 1px solid;
    border-radius: 5px;
}

.level_3_title {
    color: #5a6ae3;
    margin: 40px 0;
}
.t_b:before {
     content: "";
     display: block;
     position: absolute;
     left: 0;
     right: 0;
     bottom: -20px;
     margin: auto;
     width: 30px;
     height: 3px;
     border-radius: 5px;
     background-color: #1ebd8f;
 }
.t_a:after {
     content: "";
     display: block;
     position: absolute;
     left: 2px;
     top: -25px;
     width: 30px;
     height: 3px;
     border-radius: 5px;
     background-color: #1ebd8f;
 }

.sub_list {
    width: 30%;
}
.sub_list .sub_box {
    width: 125px;
    height: 128px;
}
.point_box {
    background-size: 100% 100%;
}
.foot_box {
    background: #0e1823;
}
.cut {
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, #ffffff 0%, #dddddd 48%, #ffffff 100%);
    margin: 80px 0;
}
.features {
    color: #010101;
    margin-bottom: 65px;
}
.features .f_title {
    font-size: 30px;
    font-weight: 500;
}
.features .f_main {
    width: 1200px;
    margin: 30px auto;
}
.features .sub {
    padding: 36px 39px;
    margin-right: 32px;
    background: #ffffff;
    border: 1px solid #dddddd;
    text-align: center;
}
.sub .sub_title {
    font-size: 18px;
}
.sub_img {
    width: 70px;
    margin: 24px;
}
.sub_main {
    font-size: 14px;
    text-align: left;
}
.m_0_auto  {
    margin: 0 auto;
}

/*理化生*/
.phySicoChemical {
    width: 100%;
    overflow: hidden;
}
.chemical-banner {
    margin-top: 60px;
}
.ban-title{
    font-size: 46px;
    font-weight: 800;
    color: #2E2E2E;
    line-height: 56px;
}
.text-35{
    overflow-wrap: break-word;
    color: #2E2E2E;
    font-size: 24px;
    white-space: nowrap;
    line-height: 32px;
    margin: 26px 0;
    font-weight: 100;
}
.ban-tab-div{
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}
.tab-text{
    margin-right: 26px;
    font-size: 16px;
    font-weight: 100;
    color: #1D2129;
}
.card-ul li{
    width: 31%;
    border: 1px solid #EBECF4;
    box-shadow: 0px 4px 12px 0px rgba(176, 179, 203, 0.25);
    margin: 14px 15px 0px 0;
    text-align: center;
    padding: 25px 0 28px 0;
    background: #fff;
}
.card-ul li h3{
    margin: 24px 0 12px 0;
    color: #313131;
}
.card-ul li p{
    width: 80%;
    margin: 0 auto;
    font-size: 16px;
    line-height: 28px;
    color: #4B4B4B;
}
.card-ul li img{
    width: 50px;
    height: 50px;
}
.img-box,.text-main-box{
    width: 45%;
}
.img-box img{
    width: 100%;
}
.text-main-box h3{
    color: #3D5BCE;
    font-size: 30px;
    margin-bottom: 25px;
}
.text-main-box p{
    font-size: 20px;
    font-weight: 400;
    color: #1F1F1F;
    line-height: 36px;
}
.chemical-title {
    width: 100%;
    text-align: center;
    font-family: PingFang SC-Bold, PingFang SC;
    margin-top: 72px;
}
.chemical-title h3 {
    font-size: 36px;
    color: #202124;
}
.chemical-title h4 {
    font-size: 18px;
    color: #60646B;
    font-weight: normal;
    text-transform: uppercase;
    margin-top: 5px;
}
.chemical-container {
    width: 1000px;
    margin: 0 auto;
}
.chemical-main1 {
    width: 100%;
    margin:42px 0 72px;
}
.chemical-main1 img {
    height: 364px;
}
.chemical-main2 {
    width: 100%;
    height: 598px;
    background: url("/images/index/index-19.png") no-repeat;
    background-size: 100% 100%;
    overflow: hidden;
}
.chemical-ul li{
    width: 300px;
    height: 132px;
    background: #FFFFFF;
    box-shadow: 3px 3px 4px 0px rgba(0,0,0,0.12);
    border-radius: 8px 8px 8px 8px;
    padding:20px 17px;
    box-sizing: border-box;
    margin-left: 50px;
    margin-top: 40px;
}
.chemical-ul li h3 {
    width: 100%;
    color: #313131;
    font-size: 16px;
}
.chemical-ul li p{
    font-size: 14px;
    font-weight: 400;
    color: #4B4B4B;
    line-height: 28px;
}
.chemical-ul li:first-of-type {
    margin-left: 169px;
}
.chemical-ul li:nth-of-type(3) {
    margin-left: 0;
}
.main3-left {
    width: 55%;
}
.main3-right {
    width: 40%;
}
.main3-right li {
    width: 50%;
    text-align: center;
    margin-top: 47px;
}
.main3-right li p{
    margin-top: 15px;
}
.main3-right li:nth-of-type(1),.main3-right li:nth-of-type(2) {
    margin-top: 20px;
}
.chemical-m_40{
    margin-top: 40px;
}

.mo-sleep-banner {
    padding: 54px 30px 0 30px;
}
.mo-sleep-banner h3 {
    width: 100%;
    color: #0A4DC8;
    font-size: 30px;
    font-weight: bold;
    margin-top: 40px;
}
.mo-sleep-banner h3 i {
    width: 88px;
    height: 3px;
    background: #0A4DC8;
    display: block;
    margin: 10px 0;
}
.mo-sleep-banner h4 {
    color: #202020;
    font-size: 16px;
    margin: 14px 0 12px;
}
.mo-sleep-banner p {
    color: #3D3D3D;
    font-size: 12px;
    line-height: 28px;
}
.mo-banner-img{
    width: 100%;
    height: 279px;
    margin: 23px auto 0px;
}
.mo-banner-ljsy {
    width: 176px;
    height: 50px;
    line-height: 50px;
    background: #0A4DC8;
    display: block;
    color: #fff;
    border-radius: 30px;
    text-align: center;
    margin: 0 auto;
}

.mo-product-title {
    width: 100%;
    text-align: center;
    margin-top: 50px;
}
.mo-product-title h3 {
    font-size: 24px;
    color: #182C49;
}
.mo-product-title h4 {
    font-size: 12px;
    color: #60646B;
    font-weight: normal;
    margin-top: 15px;
}
.mo-sleep-main1 ul {
    width: 90%;
    margin: 0 auto;
}
.mo-sleep-main1 li{
    width: 100%;
    border: solid 1px #DDDDDD;
    padding: 28px 0;
    margin-top: 16px;
}
.mo-sleep-main1 li h3 {
    width: 100%;
    text-align: center;
}
.mo-sleep-main1 li img {
    margin: 20px auto 24px;
    display: block;
}
.mo-sleep-main1 li p {
    width: 91%;
    margin: 0 auto;
    line-height: 30px;
    color: #666666;
}
/*理化生*/
.mo-phySico-banner {
    margin-top: 54px;
}
.mo-phySico-banner img{
    width: 100%;
    height: 153px;
}
.mo-product-title1 {
    margin-top: 36px;
}
.mo-product-title1 h4 {
    font-size: 16px;
    margin-top: 8px;
}
.mo-phySico-main1 {
    margin: 30px auto;
    text-align: center;
}
.mo-phySico-main2 ul {
    width: 90%;
    margin: 0 auto;
}
.mo-phySico-main2 li {
    width: 100%;
    padding: 20px 16px;
    border-radius: 8px;
    box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.12);
    box-sizing: border-box;
    margin-top: 24px;
}
.mo-phySico-main2 li h3 {
    font-size: 16px;
    color: #313131;
}
.mo-phySico-main2 li p {
    line-height: 28px;
    font-size: 14px;
    margin-top: 17px;
    color: #4B4B4B;
}
.mo-phySico-main3 ul {
    width: 90%;
    margin: 0 auto 45px;
}
.mo-phySico-main3 li {
    width: 50%;
    text-align: center;
    margin-top: 45px;
}
.mo-phySico-main3 li:nth-of-type(1),.mo-phySico-main3 li:nth-of-type(2) {
    margin-top: 24px;
}
.mo-phySico-main3 li img {
    width: 72px;
    height: 72px;
}
.mo-phySico-main3 li p {
    margin-top: 10px;
    font-size: 18px;
}
/*智慧作业*/
.mo-intelli-banner {
    margin-top: 54px;
    width: 100%;
    height: 153px;
    background: url("/images/product/mo-intelli-banner.png") no-repeat;
    color: #FFFFFF;
    text-align: center;
    padding: 35px 0 45px 0;
    box-sizing: border-box;
}
.mo-intelli-banner h3 {
    font-size: 20px;
}
.mo-intelli-banner h4 {
    font-size: 12px;
    margin: 6px 0 10px;
    font-weight: normal;
    text-transform: uppercase;
}
.mo-intelli-banner p {
    font-size: 12px;
}

.mo-intelli-main1 {
    width: 100%;
    text-align: center;
}
.mo-intelli-main1 img {
    width: 91%;
    margin: 20px auto;
}
.mo-intelli-main1 h3{
    font-size: 16px;
    color: #3D5BCE;
}
.mo-intelli-main1 p{
    width: 90%;
    font-size: 12px;
    color: #1F1F1F;
    margin: 8px auto;
    line-height: 20px;
}
.mo-intelli-main2 ul {
    width: 90%;
    margin: 10px auto;
}
.mo-intelli-main2 li {
    width: 47%;
    border: 1px solid #EBECF4;
    box-shadow: 0px 4px 12px 0px rgba(176, 179, 203, 0.25);
    margin:14px 15px 0px 0;
    text-align: center;
    padding:25px 0 28px 0;
}
.mo-intelli-main2 li:nth-of-type(2),.mo-intelli-main2 li:nth-of-type(4),.mo-intelli-main2 li:nth-of-type(6) {
    margin-right: 0;
}
.mo-intelli-main2 li img {
    width: 32px;
    height: 32px;
    margin: 0px auto 10px;
    display: block;
}
.mo-intelli-main2 li h3 {
    color: #313131;
    font-size: 16px;
}
.mo-intelli-main2 li p {
    color: #4B4B4B;
    font-size: 12px;
    margin-top: 20px;
    line-height: 20px;
    padding: 0 13px;
    box-sizing: border-box;
}
.chemical-main3 {
    margin-bottom: 70px;
}
