.OS_part1 {
    padding-bottom: 100px;
    position: relative;
}
.OS_part1 .os_tilte.on {
    animation: opacity0To1 0.6s ease-in-out both;
    -webkit-animation: opacity0To1 0.6s ease-in-out both;
}
.os_tilte {
    padding-top: 50px;
    text-align: center;
    opacity: 0;
}
.os_tilte h1 {
    font-weight: 400;
}
.os_tilte p {
    font-size: 20px;
    margin-top: 32px;
    /* letter-spacing: 1px; */
}
.OS_part1 .OS_part1_inner.on {
    animation: moveBottom 0.6s ease both;
    -webkit-animation: moveBottom 0.6s ease both;
}
.OS_part1_inner {
    width: 45%;
    margin: 0 auto;
    position: relative;
    top: -100px;
}
.OS_part1 .OS_mess {
    text-align: center;
    word-break: all;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    line-height: 30px;
    opacity: 0;
}
.OS_part1 .OS_mess {
    width: 640px;
    margin: 0 auto;
}
.hiss_header_content {
    width: 1002px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}
.OS_mess p {
    font-size: 16px;
}
p {
    color: #333;
}
.OS_num {
    width: 100%;
    height: 100%;
    padding: 0 10px;
    margin-top: 50px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    position: relative;
}
.delay03 {
    animation-delay: .3s;
    -webkit-animation-delay: .3s;
}
.OS_cell {
    float: left;
    width: 25%;
    position: relative;
    text-align: center;
    opacity: 0;
    position: relative;
    left: 80px;
}
.OS_cell p {
    font-size: 70px;
    font-weight: 100;
    color: #6f6f6f;
    position: relative;
}
.OS_cell span {
    display: block;
    margin-top: 10px;
    color: #616161;
}
.delay04 {
    animation-delay: .4s;
    -webkit-animation-delay: .4s;
}
.delay05 {
    animation-delay: .5s;
    -webkit-animation-delay: .5s;
}
.OS_cell {
    float: left;
    width: 25%;
    position: relative;
    text-align: center;
    opacity: 0;
    position: relative;
    left: 80px;
}
.clearfix {
    zoom: 1;
}
.clearfix {
    clear: both;
}
.OS_part1 .OS_mess.on {
    animation: opacity0To1 1.6s ease-in-out both;
    -webkit-animation: opacity0To1 1.6s ease-in-out both;
    animation-delay: 0.5s;
    -webkit-animation-delay: 0.5s;
}
.OS_cell p sub {
    font-size: 16px;
    position: relative;
    top: -2px;
    color: #6f6f6f;
}
sub {
    bottom: -0.25em;
}
sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
.OS_part2 {
    font-size: 0;
    height: 866px;
    position: relative;
    overflow: hidden;
}
.OS_animation {
    position: relative;
    height: 866px;
    overflow: hidden;
}
.OS_part2_over {
    height: 1026px;
    background: url(../img/OS_21.jpg) center center no-repeat;
    background-size: cover;
    position: relative;
    top: -100px;
    transition: all 2s ease-in-out;
    -webkit-transition: all 2s ease-in-out;
    -moz-transition: all 2s ease-in-out;
    -ms-transition: all 2s ease-in-out;
    -o-transition: all 2s ease-in-out;
}
.OS_part3 {
    padding: 0 0 100px 0;
    background: #fff;
}
.topic_con {
    width: 75%;
    margin: 0 auto;
}
.OS_title {
    text-align: center;
    padding: 50px 0;
}
.OS_inner {
    position: relative;
}
.img_bg {
    width: 50%;
}
.pos_img {
    position: absolute;
    top: 0;
    left: 40%;
}
.pos_img img {
    width: 120%;
}
.pos_info_mess {
    position: relative;
}
.info_mess {
    margin: 0 auto;
}
.info_mess {
    width: 420px;
    text-align: center;
    /* float: left;
    position: relative;
    left: 340px; */
}
.info_mess h1 {
    margin-bottom: 10px;
    font-weight: 300;
    font-size: 36px;
}
.info_mess p {
    line-height: 40px;
    margin-top: 20px;
    color: #000;
}
.info_mess a {
    font-size: 16px;
    color: #00a8ff;
    margin-top: 30px;
    font-weight: 100;
    display: inline-block;
}
ins, a {
    text-decoration: none;
    color: #333;
}
.OS_part4 {
    padding: 100px 0 100px 0;
    background: #F7F7F7;
}
.OS_equally {
    position: relative;
}
.OS_img_two {
    position: absolute;
    top: 0;
    opacity: 0;
    transition: all 0.3s ease-in-out;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.6s ease-in-out;
}
.title_mess .info_mess {
    width: 488px;
    float: left;
    position: relative;
    left: 50%;
    margin-left: -244px;
    text-align: center;
}
.info_mess {
    margin: 0 auto;
}
.OS_part5 {
    font-size: 0;
    height: 866px;
    position: relative;
}
.OS_animation {
    position: relative;
    height: 866px;
    overflow: hidden;
}
.OS_part5_over {
    height: 1026px;
    background: url(../img/OS_04_02.jpg) center center no-repeat;
    background-size: cover;
    position: relative;
    top: -100px;
    transition: all 2s ease-in-out;
    -webkit-transition: all 2s ease-in-out;
    -moz-transition: all 2s ease-in-out;
    -ms-transition: all 2s ease-in-out;
    -o-transition: all 2s ease-in-out;
}
.OS_part6 {
    padding-bottom: 100px;
    position: relative;
    background:#fff;
}
.OS_part6_img {
    width: 820px;
    height: 450px;
    margin: 0 auto;
    position: relative;
    top: 00px;
    overflow: hidden;
}
.OS_part6_img img {
    position: relative;
    top: -150px;
}
.OS_part6 .title_mess.on {
    animation: opacity0To1 1s ease-in-out both;
    -webkit-animation: opacity0To1 1s ease-in-out both;
    animation-delay: 0.5s;
    -webkit-animation-delay: 0.5s;
}
.OS_part6 .title_mess {
    margin-top: 50px;
    text-align: center;
    opacity: 0;
}
.OS_part6_b {
    width: 240px;
    text-align: center;
    margin: 0 auto;
}
.OS_part6 .a_part6.on {
    animation: opacity0To1 0.6s ease-in-out both;
    -webkit-animation: opacity0To1 0.6s ease-in-out both;
    animation-delay: 0.8s;
    -webkit-animation-delay: 0.8s;
}
.OS_part6_b a {
    display: block;
    color: #0099ff;
    font-size: 14px;
    padding-top: 50px;
    position: relative;
}
.OS_part6 .delay01.on {
    animation: moveLeft 1.2s ease-in-out both;
    -webkit-animation: moveLeft 1.2s ease-in-out both;
    animation-delay: 1s;
    -webkit-animation-delay: 1s;
}
.delay01 {
    animation-delay: .1s;
    -webkit-animation-delay: .1s;
}
.OS_part6 .delay02.on {
    animation: moveLeft 1.2s ease-in-out both;
    -webkit-animation: moveLeft 1.2s ease-in-out both;
    animation-delay: 1.1s;
    -webkit-animation-delay: 1.1s;
}
.delay02 {
    animation-delay: .2s;
    -webkit-animation-delay: .2s;
}
.fingerprint {
    float: left;
    width: 50%;
    text-align: center;
    margin-top: 30px;
    position: relative;
    left: 80px;
    opacity: 0;
}
.fingerprint p {
    font-size: 12px;
    color: #ccc;
}
.fingerprint p {
    font-size: 12px;
    color: #ccc;
}
.fingerprint img {
    width: 60%;
}
.OS_part7 {
    background: #F7F7F7;
    padding-top: 100px;
}
.OS_part7 .title_mess.on {
    animation: opacity0To1 1s ease-in-out both;
    -webkit-animation: opacity0To1 1s ease-in-out both;
    animation-delay: 0.2s;
    -webkit-animation-delay: 0.2s;
}
.OS_part7 .title_mess {
    margin-bottom: 50px;
    opacity: 0;
}
.OS_part7 .OS_part7_img.on {
    animation: moveTop01 1.2s ease both;
    -webkit-animation: moveTop01 1.2s ease both;
    animation-delay: 0.4s;
    -webkit-animation-delay: 0.4s;
}
.OS_part7_img {
    width: 820px;
    height: 450px;
    margin: 0 auto;
    position: relative;
    top: 217px;
    opacity: 0;
    overflow: hidden;
}
.part8_mess_l, .part8_mess_r {
    float: left;
    width: 50%;
    position: relative;
    text-align: center;
}
.part8_mess_l .part8_title {
    width: 390px;
    left: 50%;
    margin-left: -195px;
    top: 10%;
}
.part8_title {
    position: absolute;
    top: 0;
    text-align: center;
}
.part8_mess_l p:first-child {
    font-size: 20px;
    font-weight: 300;
}
.part8_mess_l p:nth-child(2) {
    font-size: 26px;
    font-weight: 400;
}
.part8_mess_l a {
    color: #0099ff;
    font-size: 16px;
    display: block;
    margin-top: 2%;
    font-weight: 100;
}
.part8_mess_r .part8_title {
    width: 388px;
    left: 50%;
    margin-left: -194px;
    top: 20%;
    text-align: center;
}
.part8_title {
    position: absolute;
    top: 0;
    text-align: center;
}
.part8_mess_r .part8_title h1 {
    margin-bottom: 20px;
}
.part8_mess_r .part8_title p, .part8_mess_r .part8_title h1 {
    color: #FFF;
}
.part8_mess_r .part8_title p {
    line-height: 40px;
}
.part8_mess_r .part8_title p, .part8_mess_r .part8_title h1 {
    color: #FFF;
}
@media screen and (max-width: 1000px) and (min-width: 800px){
    .next_contect{
        width:410px!important;
        margin-right: 160px;
    }
    .OS_num{
        margin-left:-15%;
    }
    .fingerprint{
        left:5px!important;
    }
    .part8_title a{
        display: none;
    }
}