html,
body {
    height: 100%;
    width: 100%;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #474157;
}

a:hover,
a:focus {
    color: #474157;
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
    letter-spacing: 1px;
}

p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.clear_float::after {
    content:'';
    display: block;
    clear: both;
}

/* 顶部导航 */
.nav {
    width: 100%;
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    margin: auto;
}

.nav img {}

.nav .btn a{
    color: #FFF;
    background-color: #409EFF;
    border-color: #409EFF;
    text-decoration:none;
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    -webkit-appearance: none;
    text-align: center;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: 0;
    margin: 0;
    -webkit-transition: .1s;
    transition: .1s;
    font-weight: 500;
    padding: 12px 20px;
    font-size: 14px;
    border-radius: 4px;
}

#mainbody {
    width: 100%;
}

#mainbody > .topVideo{
    width: 100%;
    background: url('https://www.aivideo8.com/assets/imgs/home/home-1-bg.png') no-repeat;
    background-size: cover;
    color: #fff;
    padding: 240px 0;
}
#mainbody > .topVideo > .container {
    width: 1400px;
    margin: 0 auto;
}

#mainbody > .topVideo > .container > .content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#mainbody > .topVideo > .container > .content > .content-right {
    width: 850px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 5px 5px 20px #646464;
}

#mainbody > .topVideo > .container > .content > .content-right video {
    width: 100%;
    display: block;
}

#mainbody > .topVideo > .container > .content > .content-left h1 {
    font-weight: 550;
}

#mainbody > .topVideo > .container > .content > .content-left button {
    margin-top: 20px;
    width: 150px;
    color: #017EFF;
    font-size: 16px;
    font-weight: bold;
    visibility: hidden;
    border-radius: 20px;
    padding: 12px 23px;
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    background: #FFF;
    border: 1px solid #DCDFE6;
    -webkit-appearance: none;
    text-align: center;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: 0;
    -webkit-transition: .1s;
    transition: .1s;
}

#mainbody > .container {
    width: 1400px;
    margin: 0 auto;
}

#mainbody > .container .container-1 {
    padding: 120px 0 120px;
}
#mainbody > .container .container-1 .title {
    text-align: center;
}
#mainbody > .container .container-1 .title .h1-title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}
#mainbody > .container .container-1 .ul_explain {
    margin-top: 20px;
}


#mainbody > .container .container-1 .ul_explain .explain_li {
    width: 33.3%;
    text-align: center;
    margin-top: 66px;
    float: left;
}
#mainbody > .container .container-1 .ul_explain .explain_li img {
    width: 80px;
    height: 80px;
    display: block;
    margin: 0 auto 24px;
}
#mainbody > .container .container-1 .ul_explain .explain_li .explain_title {
    line-height: 32px;
    font-size: 24px;
    margin-bottom: 15px;
}
#mainbody > .container .container-1 .ul_explain .explain_li .explain_p {
    width: 372px;
    line-height: 28px;
    font-size: 16px;
    font-weight: 500;
    margin: auto;
}

#mainbody > .container-2 {
    background: #f8f8f7;
}

#mainbody > .container-2 .container {
    width: 1400px;
    margin: 0 auto;
    padding: 124px 0;
}

#mainbody > .container-2 .container .box {

}

#mainbody > .container-2 .container .box .imgs_box {
    float: right;
    position: relative;
}

#mainbody > .container-2 .container .box .imgs_box .bg{
    width: 586px;
    height: 100%;
    position: relative;
}
#mainbody > .container-2 .container .box .imgs_box .ele1 {
    width: 170px;
    height: auto;
    position: absolute;
    left: 394px;
    top: 206px;
    z-index: 3;
}

#mainbody > .container-2 .container .box .imgs_box .ele2 {
    width: 450px;
    height: auto;
    position: absolute;
    left: 56px;
    top: 44px;
    z-index: 2;
}
#mainbody > .container-2 .container .box .imgs_box .ele3 {
    width: 208px;
    height: auto;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
}

#mainbody > .container-2 .container .box .text_box {
    margin-top: 30px;
}

#mainbody > .container-2 .container .box .text_box .title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}

#mainbody > .container-2 .container .box .text_box .txt {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 32px;
    margin: 12px 0 20px;
}
#mainbody > .container-2 .container .box .text_box .icon_list {
    font-size: 14px;
    line-height: 24px;
    margin-top: 30px
}
#mainbody > .container-2 > .container >.box > .text_box > .icon_list > .p-title {
    font-size: 20px;
    display: flex;
    align-items: center;
}

#mainbody > .container-2 > .container >.box > .text_box > .icon_list > .p-title i{
    width: 25px;
    height: 25px;
    color: #017EFF;
    margin-right: 10px;
}

#mainbody > .container-2 > .container >.box .imgs_box-use {
    padding-left: 40px;
    padding-bottom: 42px;
    position: relative;
    float: left;
}

#mainbody > .container-2 > .container >.box .imgs_box-use .bg {
    width: 592px;
    height: 100%;
    position: relative;
}
#mainbody > .container-2 > .container >.box .imgs_box-use .ele1 {
    width: 680px;
    height: auto;
    position: absolute;
    left: -18px;
    bottom: -36px;
    z-index: 4;
}
#mainbody > .container-2 > .container >.box .imgs_box-use .ele2 {
    width: 415px;
    height: auto;
    position: absolute;
    left: 164px;
    bottom: 36px;
    z-index: 3;
}
#mainbody > .container-2 > .container >.box .imgs_box-use .ele3 {
    width: 375px;
    height: auto;
    position: absolute;
    left: 52px;
    top: -75px;
    z-index: 2;
}
#mainbody > .container-2 > .container >.box .imgs_box-use .ele4 {
    width: 82px;
    height: auto;
    position: absolute;
    left: 476px;
    top: 30px;
    z-index: 1;
}
#mainbody > .container-2 > .container >.box .text_box-use {
    margin-top: 50px;
    float: right;
}
#mainbody > .container-2 > .container >.box .text_box-use .title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}
#mainbody > .container-2 > .container >.box .text_box-use .txt {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 32px;
    margin: 12px 0 20px;
}
#mainbody > .container-2 > .container >.box .text_box-use .icon_list {
    font-size: 14px;
    line-height: 24px;
    margin-top: 30px;
}

#mainbody > .container-2 > .container >.box .text_box-use .icon_list .p-title {
    font-size: 20px;
    display: flex;
    align-items: center;
}
#mainbody > .container-2 > .container >.box .text_box-use .icon_list .p-title i {
    width: 25px;
    height: 25px;
    color: #017EFF;
    margin-right: 10px;
}

#mainbody > .container-3 {
    padding: 80px 0 104px;
    background: #f8f8f7;
}
#mainbody > .container-3 .container {
    width: 1400px;
    margin: 0 auto;
}
#mainbody > .container-3 .container .title {
    text-align: center;
}
#mainbody > .container-3 .container .title .h3-title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}
#mainbody > .container-3 .container .title p {
    font-size: 18px;
    line-height: 32px;
}
#mainbody > .container-3 .container .accordion {
    border-radius: 10px;
    margin: 50px auto;
    width: 1406px;
    height: 612px;
    position: relative;
    overflow: hidden;
}
#mainbody > .container-3 .container .accordion .accordion_item {
    width: 950px;
    height: 612px;
    cursor: pointer;
    background-size: auto 100%;
    position: absolute;
    top: 0;
}
#mainbody > .container-3 .container .accordion .show_box {
    /*display: none;*/
}
#mainbody > .container-3 .container .accordion .show_box .play_icon {
    width: 40px;
    height: 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
}
#mainbody > .container-3 .container .accordion .show_box .title {
    font-size: 20px;
    color: #fff;
    line-height: 90px;
    width: 950px;
    height: 90px;
    position: absolute;
    left: 0;
    bottom: 0;
    background: linear-gradient(135deg, #7956EC 0%, #2FB9F8 100%);
}

#mainbody > .container-3 .container .accordion .hide_mask {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    background: rgba(62, 165, 245, 0.32);
}
#mainbody > .container-3 .container .accordion .accordion_item1 {
    left: 0;
    z-index: 1;
    background: url("https://www.aivideo8.com/assets/imgs/home/cases-1.jpg") no-repeat;
    background-size: 100% 100%;
}
#mainbody > .container-3 .container .accordion .accordion_item2 {
    left: 950px;
    z-index: 2;
    background: url("https://www.aivideo8.com/assets/imgs/home/cases-9.jpg") no-repeat;
    background-size: 100% 100%;
}
#mainbody > .container-3 .container .accordion .accordion_item3 {
    left: 1064px;
    z-index: 3;
    background: url("https://www.aivideo8.com/assets/imgs/home/cases-8.jpg") no-repeat;
    background-size: 100% 100%;
}
#mainbody > .container-3 .container .accordion .accordion_item4 {
    left: 1178px;
    z-index: 4;
    background: url("https://www.aivideo8.com/assets/imgs/home/cases-7.jpg") no-repeat;
    background-size: 100% 100%;
}
#mainbody > .container-3 .container .accordion .accordion_item5 {
    left: 1292px;
    z-index: 5;
    background: url("https://www.aivideo8.com/assets/imgs/home/cases-6.jpg") no-repeat;
    background-size: 100% 100%;
}

#mainbody > .container-4 {
    background: url("https://www.aivideo8.com/assets/imgs/home/shiyong_bg.png") no-repeat;
    background-size: cover;
    padding: 114px 0 185px;
    position: relative;
    margin-bottom: -1px;
}
#mainbody > .container-4 .container {
    width: 1400px;
    margin: 0 auto;
}

#mainbody > .container-4 .container .title {
    text-align: center;
}
#mainbody > .container-4 .container .title .h3-title {
    color: #fff;
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}
#mainbody > .container-4 .container .title p{
    font-size: 18px;
    line-height: 32px;
    opacity: 0.7;
    color: #fff;
}

#mainbody > .container-4 .container .title .free_btn{
    display: block;
    width: 148px;
    height: 46px;
    border-radius: 24px;
    color: #fff;
    font-size: 14px;
    position: absolute;
    left: 50%;
    margin-left: -74px;
    bottom: 88px;
    text-align: center;
    line-height: 46px;
    border: 1px solid #fff;
    cursor: pointer;
}

#mainbody > .container-5 {
    padding: 150px 0;
    background: #f8f8f7;
}
#mainbody > .container-5 .container{
    width: 1400px;
    margin: 0 auto;
}
#mainbody > .container-5  .container .box .imgs_box {
    float: left;
    position: relative;
}
#mainbody > .container-5  .container .box .imgs_box .bg{
    width: 586px;
    position: relative;
}
#mainbody > .container-5  .container .box .imgs_box .ele1 {
    width: 496px;
    height: auto;
    position: absolute;
    left: -70px;
    top: -10px;
    z-index: 6;
}

#mainbody > .container-5 .container .box .imgs_box .ele2 {
    width: 496px;
    height: auto;
    position: absolute;
    left: 73px;
    bottom: -90px;
    z-index: 5;
}
#mainbody > .container-5 .container .box .imgs_box .ele3 {
    width: 243px;
    height: auto;
    position: absolute;
    left: 242px;
    top: 166px;
    z-index: 4;
}
#mainbody > .container-5 .container .box .imgs_box .ele4 {
    width: 134px;
    height: auto;
    position: absolute;
    left: 380px;
    top: -20px;
    z-index: 3;
}
#mainbody > .container-5 .container .box .imgs_box .ele5 {
    width: 394px;
    height: auto;
    position: absolute;
    left: 120px;
    top: -10px;
    z-index: 2;
}
#mainbody > .container-5 .container .box .imgs_box .ele6 {
    width: 496px;
    height: auto;
    position: absolute;
    left: -130px;
    top: 116px;
    z-index: 1;
}
#mainbody > .container-5 .container .box .text_box {
    margin-top: 50px;
    float: right;
}
#mainbody > .container-5 .container .box .text_box .title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}

#mainbody > .container-5 .container .box .text_box .txt {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 32px;
    margin: 12px 0 20px;
}
#mainbody > .container-5 .container .box .text_box .icon_list {
    font-size: 14px;
    line-height: 24px;
    margin-top: 30px
}
#mainbody > .container-5  > .container >.box > .text_box > .icon_list > .p-title {
    font-size: 20px;
    display: flex;
    align-items: center;
}
#mainbody > .container-5  > .container >.box > .text_box > .icon_list > .content {
    font-size: 14px;
    line-height: 32px;
}
#mainbody > .container-5  > .container >.box > .text_box > .icon_list > .p-title i{
    width: 25px;
    height: 25px;
    color: #017EFF;
    margin-right: 10px;
}



#mainbody > .container-5  .container .box .imgs_box-fr {
    position: relative;
    float: right;
}
#mainbody > .container-5  .container .box .imgs_box-fr .bg{
    width: 586px;
    position: relative;
}
#mainbody > .container-5  .container .box .imgs_box-fr .ele1 {
    width: 137px;
    height: auto;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 6;
}

#mainbody > .container-5 .container .box .imgs_box-fr .ele2 {
    width: 82px;
    height: auto;
    position: absolute;
    left: 95px;
    bottom: 0;
    z-index: 5;
}
#mainbody > .container-5 .container .box .imgs_box-fr .ele3 {
    width: 156px;
    height: auto;
    position: absolute;
    right: 44px;
    top: 56px;
    z-index: 4;
}
#mainbody > .container-5 .container .box .imgs_box-fr .ele4 {
    width: 383px;
    height: auto;
    position: absolute;
    left: 122px;
    bottom: 11px;
    z-index: 3;
}
#mainbody > .container-5 .container .box .imgs_box-fr .ele5 {
    width: 373px;
    height: auto;
    position: absolute;
    left: 8px;
    top: -70px;
    z-index: 2;
}
#mainbody > .container-5 .container .box .text_box-fl {
    margin-top: 30px;
    float: left;
}
#mainbody > .container-5 .container .box .text_box-fl .title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}

#mainbody > .container-5 .container .box .text_box-fl .txt {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 32px;
    margin: 12px 0 20px;
}
#mainbody > .container-5 .container .box .text_box-fl .icon_list {
    font-size: 14px;
    line-height: 24px;
    margin-top: 30px
}
#mainbody > .container-5  > .container >.box > .text_box-fl > .icon_list > .p-title {
    font-size: 20px;
    display: flex;
    align-items: center;
}
#mainbody > .container-5  > .container >.box > .text_box-fl > .icon_list > .content {
    font-size: 14px;
    line-height: 32px;
}
#mainbody > .container-5  > .container >.box > .text_box-fl > .icon_list > .p-title i{
    width: 25px;
    height: 25px;
    color: #017EFF;
    margin-right: 10px;
}
#mainbody > .container-6 {
    background: #f8f8f7;
    padding: 68px 0;
}
#mainbody > .container-6 .container {
    width: 1400px;
    margin: 0 auto;
}
#mainbody > .container-6 .container .title {
    text-align: center;
}

#mainbody > .container-6 .container .title .h3-title {
    font-size: 50px;
    line-height: 64px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    font-weight: 550;
}
#mainbody > .container-6 .container .title p {
    font-size: 18px;
    line-height: 32px;
}

#mainbody > .container-6 .container .swiper-container .swiper-wrapper .video_box {
    width: 430px !important;
    box-shadow: 0px 1px 10px #ccc;
    margin: 50px 20px;
    cursor: pointer;
    overflow: hidden;
}

#mainbody > .container-6 .container .swiper-container .swiper-wrapper .video_box img {
    width: 100%;
    height: 492px;
    background: #fff;
    display: block;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(0,100%,0);
        transform: translate3d(0,100%,0);
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        transform: none;
    }
}

@media (max-height: 500px) {
    #mainbody {
        height: inherit;
    }
}

@media (min-width: 768px) {
    .navbar-default {
        background-color: transparent;
        border-color: transparent;
    }

    #mainbody .index-text {
        text-align: left;
    }
}

@media (max-width: 767px) {

    #mainbody > .container > .text-center {


        padding: 130px 0 0 0;
        height: calc(100vh - 261px);
    }

    #mainbody > .container > .text-center > h1 {


        font-size: 50px;
        margin-bottom: 20px;
    }
}

.footer {
    background-color: #222222;
    padding: 20px 0;
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
}

.footer p {
    font-size: 14px;
    margin: 0;
}