/*header*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 108px;
    z-index: 100;
}

.header-logo {
    float: left;
    width: 230px;
    height: 28px;
    position: absolute;
    left: 12.5%;
    top: 40px;
    z-index: 3;
}

.header-btn {
    position: absolute;
    right: 12.5%;
    top: 40px;
    z-index: 3;
    width: 100px;
    height: 28px;
    line-height: 28px;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    background: url("../images/icon-menu.png") right center no-repeat;
    background-size: auto 50%;
}

.min-header-bg {
    opacity: 0;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: #000;
    transition: transform .6s ease;
}

.min-header .min-header-bg {
    opacity: .3;
}

/*menu*/
.menu-close {
    position: absolute;
    width: 5%;
    height: 5%;
    right: 5%;
    top: 5%;
    z-index: 999;
    cursor: pointer;
    background: url("../images/close.png") center center no-repeat;
}

.menu-logo {
    position: absolute;
    width: 20%;
    left: 5%;
    top: 5%;
    z-index: 999;
}

menu.active {
    display: block;
    background: transparent;
}

menu {
    display: none;
    z-index: 888;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    transition: all .5s ease-in-out;
}

menu nav {
    position: relative;
    right: 0;
    float: left;
    display: table;
    background-color: #fff;
    width: 45%;
    height: 100vh;
    -webkit-transition: all .5s;
    transition: all .5s;
}

menu .info::after {
    opacity: 0;
    z-index: 1;
    content: '';
    position: absolute;
    right: -0.3%;
    width: 0;
    height: 0;
    border-bottom: 100vh solid #fff;
    border-left: 5vw transparent solid;
    transform: translate3d(-1px, 0, 0);
    -webkit-transition: all .5s;
    transition: all .5s;
}

menu.active .info::after {
    opacity: 1;
}

menu .info {
    position: relative;
    left: 0;
    float: left;
    width: 55%;
    height: 100vh;
    -webkit-transition: all .5s;
    transition: all .5s;
    background: linear-gradient(to bottom right, rgba(14, 176, 254, 0.8), rgba(205, 59, 250, 0.8));
}

menu nav .dtcell {
    display: table-cell;
    vertical-align: middle;
    text-align: left;
}

menu nav li {
    position: relative;
    list-style: none;
    width: 30%;
    margin: 10px auto;
}

menu nav li a {
    position: relative;
    font-size: 4vw;
    line-height: 4.5vw;
    color: #898989;
    padding-left: 20%;
}

menu nav li.cur a, menu nav li:hover a {
    color: #000;
}

menu nav li a::after {
    content: '';
    position: absolute;
    top: 5%;
    bottom: 5%;
    left: 0;
    width: 5px;
    height: 90%;
    background: #000;
    transition: all .3s ease-out;
    transform: scale(1, 0);
    opacity: 0;
}

menu nav li.cur a::after, menu nav li:hover a::after {
    transform: scale(1);
    opacity: 1;
}

menu .info .link {
    position: absolute;
    z-index: 889;
    right: 5%;
    bottom: 5%;
    text-align: right;
    -webkit-transition: all .5s;
    transition: all .5s;
}

menu .info .link a {
    display: inline-block;
    margin-left: 25px;
    color: #fff;
}

/*banner*/
.banner-box {
    height: 650px;
    position: relative;
}

.banner-img {
    width: 100%;
    height: 100%;
}

.banner-rotate1 {
    display: block;
    overflow: hidden;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    cursor: pointer;
}

.banner-rotate1 img {
    width: 100%;
    height: 100%;
}

.banner-rotate2 {
    display: block;
    overflow: hidden;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    cursor: pointer;
}

.banner-rotate2 img {
    width: 100%;
    height: 100%;
}

.banner-rotate2:hover img {
    opacity: .7;
}

.banner-major img {
    width: 90%;
    height: 90%;
}

.banner-major {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
    cursor: pointer;
}

/*容器*/
.container {
    width: 1000px;
    margin: 0 auto;
}

.sort-box {
    margin: 40px 0;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.sort-item {
    text-align: center;
    color: #fff;
    width: 24%;
    height: 160px;
    margin-top: 24px;
    padding-top: 30px;
    background-size: 100% 100%;
}

.sort-orange {
    background-image: url("../images/linear-orange.png");
}

.sort-purple {
    background-image: url("../images/linear-purple.png");
}

.sort-pink {
    background-image: url("../images/linear-pink.png");
}

.sort-blue {
    background-image: url("../images/linear-blue.png");
}

.sort-zh {
    width: 100%;
    height: 50px;
    line-height: 50px;
    font-size: 25px;
}

.sort-en {
    width: 100%;
    height: 40px;
    line-height: 40px;
    font-size: 12px;
    text-transform: uppercase;
}

.des-box {
    color: #000;
    margin-top: 30px;
}

.des-en {
    height: 60px;
    line-height: 60px;
    text-align: center;
    font-size: 44px;
}

.des-en span {
    display: inline-block;
    border-bottom: 6px solid #14a5f3;
}

.des-zh {
    height: 100px;
    line-height: 100px;
    text-align: center;
    font-size: 36px;
    color: #333;
    white-space: nowrap;
}

.des-zh span {
    display: inline-block;
    font-size: 40px;
}

.pro-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.pro-item {
    width: 48.5%;
    margin-top: 20px;
}

.pro-coverBox {
    position: relative;
    height: 285px;
    overflow: hidden;
}

.pro-line{
    opacity: 0;
    position: absolute;
    left: 3%;
    top: 3%;
    right: 3%;
    bottom: 3%;
    z-index: 10;
    border: 1px solid #fff;
    transition: transform .6s ease;
}

.pro-cover {
    width: 100%;
    height: 100%;
    transition: all .5s ease-in-out;
    cursor: pointer;
}

.pro-coverBox:hover .pro-cover {
    transform: scale(1.1);
}

.pro-coverBox:hover .pro-line{
    opacity: 1;
    cursor: pointer;
}

.pro-titleBox {
    display: flex;
    margin: 20px 0 10px;
    height: 26px;
    color: #000;
}

.pro-title {
    line-height: 26px;
    font-size: 18px;
    padding-right: 8px;
}

.pro-tip {
    padding: 0 8px;
    line-height: 24px;
    font-size: 14px;
    border: 1px solid #000;
}

.pro-tip2 {
    color: #fff;
    background: #000;
}

.pro-hint {
    font-size: 12px;
    color: #898989;
}

.case-box {
    height: 590px;
    padding-top: 60px;
    background: url("../images/case-bg.png") center center no-repeat;
    background-size: 100% 100%;
}

.case-title {
    height: 180px;
    line-height: 180px;
    text-align: center;
    font-size: 36px;
}

.case-con {
    display: flex;
    flex-wrap: wrap;
}

.case-item {
    width: 20%;
    height: 50px;
    margin-top: 120px;
    cursor: pointer;
}

.case-item img {
    max-width: 90%;
    max-height: 90%;
    display: block;
    margin: 0 auto;
}
.case-item .case-small{
    max-height: 60%;
}


.case-item .case-big{
    max-height: 110%;
}

/*footer*/
.footer {
    width: 1400px;
    margin: 50px auto;
    padding: 28px 0;
    text-align: center;
    line-height: 30px;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
}
.footer-link{
    color: #000;
}

/*动画*/
.ani-rotate {
    animation: goRotate 60s infinite linear;
}

.ani-rotate2 {
    animation: goRotate2 60s infinite linear;
}

@keyframes goRotate {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(-359deg)
    }
}

@-webkit-keyframes goRotate {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(-359deg)
    }
}

@-moz-keyframes goRotate {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(-359deg)
    }
}

@keyframes goRotate2 {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(359deg)
    }
}

@-webkit-keyframes goRotate2 {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(359deg)
    }
}

@-moz-keyframes goRotate2 {
    from {
        -webkit-transform: rotate(0deg)
    }
    to {
        -webkit-transform: rotate(359deg)
    }
}

.ani-up {
    visibility: hidden;
    opacity: 0;
}

.fadeInUp {
    visibility: visible;
    animation: fadeInUp ease-out .6s forwards;
    -webkit-animation: fadeInUp ease-out .6s forwards;
    -moz-animation: fadeInUp ease-out .6s forwards;
}

.sort-item:nth-child(2) {
    animation-delay: .1s;
    -webkit-animation-delay: .1s;
}

.sort-item:nth-child(3) {
    animation-delay: .2s;
    -webkit-animation-delay: .2s;
}

.sort-item:nth-child(4) {
    animation-delay: .3s;
    -webkit-animation-delay: .3s;
}

@media only screen and (max-width: 1400px) {
    menu .info::after {
        right: -.8%;
    }

    .banner-box {
        height: 700px;
    }

    .container {
        width: 80%;
    }

    .sort-box {
        margin: 30px 0;
    }
    .des-en {
        height: 40px;
        line-height: 40px;
        font-size: 36px;
    }

    .des-zh {
        height: 80px;
        line-height: 80px;
        font-size: 24px;
    }

    .des-zh span {
        font-size: 32px;
    }

    .pro-titleBox{
        padding: 0 10px;
    }

    .pro-hint{
        padding: 0 10px;
    }

    .pro-item {
        margin-top: 20px;
    }

    .case-box {
        height: 360px;
    }

    .case-item {
        margin-top: 40px;
    }

    .footer {
        width: 100%;
        padding: 28px 10px;
    }
}

@media only screen and (max-width: 1000px) {
    .header {
        height: 75px;
    }

    .header-btn {
        right: 5%;
        top: 20px;
    }

    .header-logo {
        left: 5%;
        top: 20px;
    }

    .sort-item {
        width: 49%;
    }

    .des-en {
        height: 40px;
        line-height: 40px;
        font-size: 26px;
    }

    .des-zh {
        height: 80px;
        line-height: 80px;
        font-size: 16px;
    }

    .des-zh span {
        font-size: 24px;
    }

    .pro-item {
        width: 100%;
    }

    .case-title {
        height: 100px;
        line-height: 100px;
        font-size: 30px;
    }

}

@media only screen and (max-width: 450px) {
    .header-logo {
        width: 200px;
        height: 24px;
    }

    .header-btn {
        width: 60px;
        height: 24px;
        line-height: 24px;
        font-size: 14px;
    }

    menu.active nav {
        position: fixed;
        width: 100%;
        z-index: 10;
    }

    menu nav .dtcell {
        text-align: center;
    }

    menu nav li a {
        font-size: 7vw;
        line-height: 7vh;
        padding-left: 0;
    }

    menu nav li a::after {
        display: none;
    }

    .menu-close {
        right: 15%;
    }

    .banner-box {
        height: 300px;
    }

    .container{
        width: 100%;
    }

    .sort-box {
        margin: 10px 0;
    }

    .des-en {
        height: 30px;
        line-height: 30px;
        font-size: 20px;
    }

    .des-zh {
        height: 60px;
        line-height: 60px;
        font-size: 12px;
    }

    .des-zh span {
        font-size: 16px;
    }

    .pro-coverBox {
        height: 250px;
    }

    .pro-titleBox {
        flex-wrap: wrap;
        height: auto;
    }

    .pro-tip {
        margin-top: 10px;
    }

    .pro-title {
        width: 100%;
    }

    .case-box {
        height: 200px;
        padding: 10px 0;
    }

    .case-item{
        width: 50%;
        margin-top: 10px;
        height: 25px;
    }
}