html,
body {
    min-width: 1200px;
}

ul {
    list-style: none;
}

* {
    padding: 0;
    margin: 0;
}

.list li {
    height: 900px;
    color: white;
    position: relative;
}

.list li .extra {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.list li .extra img {
    width: 100%;
}

.list li .title {
    font-size: 42px;
    font-weight: bold;
    color: #fff;
    white-space: nowrap;
}

.list li .title a,
.list li .description a {
    color: #fff;
}

.list li .sub_title {
    position: relative;
    font-size: 24px;
    margin-top: 10px;
    margin-bottom: 70px;
}

.list li .description {
    margin-bottom: 75px;
    font-size: 16px;
    color: #fff;
    line-height: 30px;
}

.list li .sub_title:before {
    position: absolute;
    content: '';
    bottom: -30px;
    background-color: white;
    height: 4px;
    width: 45px;
}

.list li .case>span {
    position: relative;
    display: inline-block;
    width: 216px;
    height: 60px;
    border-radius: 50px;
    border: 1px solid white;
    font-size: 20px;
    /*text-align: center;*/
    line-height: 60px;
    padding-left: 40px;
    box-sizing: border-box;
}

.list li .case span a {
    color: white;
}

.list li .case:hover span a {
    color: #6699ff;
}

.list li .case>span:before,
.list li .case>span:after {
    position: absolute;
    content: '';
    right: 40px;
    top: 23px;
    width: 20px;
    height: 12px;
}

.list li .case {
    display: inline-block;
    margin-top: 50px;
    position: relative;
    width: 216px;
    height: 60px;
    overflow: hidden;
    z-index: 2;
}


/*.list li.li_1 .case{
	margin-top: 450px;
}
.list li.li_2 .case{
	margin-top: 430px;
}*/

.list li .case:before {
    position: absolute;
    content: '';
    bottom: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: white;
    transition: all .4s;
    border-radius: 50px;
}

.list li .case:hover {
    color: #6699ff;
    border-color: #6699ff;
}

.list li .case:hover:before {
    width: 100%;
}

.list li .case:hover span:after {
    display: inline-block;
}

.list li .case span:before {
    /* background: url(../images/website_ico02.png) no-repeat; */
}

.list li .case span:after {
    /* background: url(../images/website_ico1_.png) no-repeat; */
    display: none;
}

.list li .case span a label {
    transform: rotate(180deg);
}

.list li .case span a span.iconfont {
    font-size: 30px;
    display: inline-block;
    transform: rotate(180deg);
    vertical-align: top;
}

.list .content {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 220px;
}

.list .li_2 .content {
    padding-top: 120px;
}

.list .li_5 .content {
    padding-top: 270px;
}

.list .li_7 .content {
    padding-top: 250px;
}

.list .content>div {
    display: inline-block;
}

.list .text_left .left,
.list .text_right .right {
    float: left;
    width: 450px;
}

.list .content .right {
    float: right;
    margin-top: 40px;
}

.list li.active .left {
    animation: anim_left 1s ease;
}

.list li.active .right {
    animation: anim_right 1s ease;
}

.list li.active .right,
.list li.active .left {
    /*transform:translateX(0) ;*/
}

@keyframes anim_right {
    0% {
        transform: translateX(100%);
    }
    90% {
        transform: translateX(-5px);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes anim_left {
    0% {
        transform: translateX(-100%);
    }
    90% {
        transform: translateX(5px);
    }
    100% {
        transform: translateX(0);
    }
}


/* .list .li_1{
	background: url("../images/website_1.png");
}
.list .li_2{
	background: url("../images/website_2.png");
}
.list .li_3{
	background: url("../images/website_3.png");
}
.list .li_4{
	background: url("../images/website_4.png");
}
.list .li_5{
	background: url("../images/website_5.png");
}
.list .li_6{
	background: url("../images/website_6.png");
}
.list .li_7{
	background: url("../images/website_7.png");
} */

.list .li_3.text_right .right,
.list .li_4.text_left .left {
    width: 500px
}

.list .li_5.text_left .left,
.list .li_6.text_left .left,
.list .li_7.text_right .right {
    width: 550px;
}

.list .li_4 .right,
.list .li_5 .right,
.list .li_6 .right,
.list .li_7 .left {
    width: 580px;
}

.list .li_4 .right img,
.list .li_5 .right img,
.list .li_6 .right img,
.list .li_7 .left img {
    width: 100%;
}

.li_7.text_right .left {
    margin-top: 50px;
}

@media only screen and (max-width: 1440px) {
    .list .content {
        width: 90%;
        margin-left: 5%;
    }
    html,
    body {
        min-width: 100%;
    }
    right
}

@media only screen and (max-width: 768px) {
    .li_1 .content .right,
    .li_3 .content .left,
    .li_4 .content .right,
    .li_5 .content .right,
    .li_6 .content .right,
    .li_7 .content .left {
        display: none;
    }
    .list .li_7.text_right .right {
        width: 100%!important;
    }
    .list .li_7 .content {
        padding-top: 30px;
    }
    .list .li_3.text_right .right,
    .list .li_4.text_left .left {
        width: 100%;
    }
    .list .li_3 .content {
        padding-top: 0;
    }
    .li_2 .content .left {
        display: none;
    }
    .list .content {
        padding-top: 30px;
    }
    .main {
        padding-top: 86px;
    }
    .list li {
        height: 500px!important;
    }
    .list li .title {
        font-size: 20px!important;
    }
    .list li .sub_title {
        font-size: 18px!important;
    }
    .list li .case>span {
        font-size: 18px;
    }
    .list .text_left .left,
    .list .text_right .right {
        width: 100%;
    }
    .list .li_2 .content {
        padding-top: 0;
    }
    .list .li_5 .content {
        padding-top: 30px;
    }
}