.sff_part1 {
    text-align: center;
    background: url(../img/sff_001_02.jpg) no-repeat center center;
    height: 1000px;
    background-size: cover;
    position: relative;
}
.sff_part1 .sff_title {
    position: absolute;
    top: 100px;
    width: 546px;
    left: 50%;
    margin-left: -273px;
}
.sff_part1 .sff_title p {
    margin-top: 32px;
    line-height: 40px;
}
.sff_part2 {
    background: #EAEBF0;
    height: 520px;
}
.sff_video {
    width: 1002px;
    margin: 0 auto;
    height: 100%;
    position: relative;
    left: -1px;
}
.sff_video_play {
    width: 896px;
    position: relative;
    overflow: hidden;
}
.sff_video video {
    width: 900px;
    position: relative;
    left: -1px;
}
video {
    border: 0;
    outline: none;
}
.sff_part2 .replay {
    left: 350px;
    top: 390px;
}
.replay, .replayNum {
    width: 100px;
    position: absolute;
    bottom: 0px;
    margin-left: -50px;
    left: 50%;
    cursor: pointer;
}
.sff_part2_title {
    width: 372px;
    position: absolute;
    right: 17px;
    top: 160px;
}
.sff_part2_title h1 {
    font-weight: 300;
    margin-bottom: 20px;
}
.sff_part2_title p {
    line-height: 25px;
}
.sff_part3 {
    position: relative;
}
.sff_part3 .sff_part3_title {
    width: 527px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 0;
}
.sff_part3 .sff_part3_title p {
    margin-top: 15px;
    line-height: 30px;
}
.overHidden {
    position: relative;
    height: 867px;
    overflow: hidden;
}
.sff_part3 .sff_part3_bg {
    background: url(../img/sff_002_02.jpg) no-repeat center center;
    background-size: cover;
    height: 870px;
    position: relative;
    top: -100px;
    transform: scale(1.2);
    -webkit-transform: scale(1.2);
    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;
}
.sff_part4 {
    background: #F7F7F7;
}
.sff_part4 .sff_part3_title {
    text-align: center;
    width: 515px;
    margin: 0 auto;
    padding: 100px 0 50px 0;
}
.sff_part4_list {
    width: 1002px;
    margin: 0 auto;
    padding: 0 34px 0 34px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.sff_part4 .sff_part3_title h1 {
    font-size: 36px;
    font-weight: 100;
    margin-bottom: 32px;
}
.sff_part4 .sff_part3_title p {
    line-height: 40px;
}
.sff_part4_li {
    text-align: center;
    float: left;
    width: 50%;
    padding: 0 65px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin-bottom: 65px;
}
.sff_part4_li p {
    margin-top: 35px;
}
.sff_part5 {
    height: 680px;
    width: 100%;
    margin: 0 auto;
    position: relative;
}
.sff_part5 .sff_part5_img_list {
    position: relative;
    height: 100%;
}
.sff_part5_img_list {
    width: 562px;
    float: left;
}
#box_one.on {
    animation: moveImg .6s ease both;
    -webkit-animation: moveImg .6s ease both;
    animation-delay: 0.3s;
    -webkit-animation-delay: 0.3s;
}
.sff_part5 .sff_part5_img_list img:nth-of-type(1) {
    position: relative;
    top: 50%;
    margin-top: -110px;
    left: 50px;
    transform: translate(-80px , 80px) rotate(-45deg);
    -webkit-transform: translate(-80px , 80px) rotate(-45deg);
    -moz-transform: translate(-80px , 80px) rotate(-45deg);
    -ms-transform: translate(-80px , 80px) rotate(-45deg);
    -o-transform: translate(-80px , 80px) rotate(-45deg);
}
.sff_part5 .sff_part5_img_list img {
    width: 220px;
    display: inline-block;
    position: absolute;
    opacity: 0;
}
.sff_part5 .sff_part5_img_list img:nth-of-type(2) {
    top: 40%;
    margin-top: -110px;
    left: 280px;
    transform: translate(-80px , -80px) rotate(45deg);
    -webkit-transform: translate(-80px , -80px) rotate(45deg);
    -moz-transform: translate(-80px , -80px) rotate(45deg);
    -ms-transform: translate(-80px , -80px) rotate(45deg);
    -o-transform: translate(-80px , -80px) rotate(45deg);
}
.sff_part5 .sff_part5_img_list img:nth-of-type(3) {
    top: 68%;
    margin-top: -110px;
    left: 200px;
    transform: translate(80px , 80px) rotate(45deg);
    -webkit-transform: translate(80px , 80px) rotate(45deg);
    -moz-transform: translate(80px , 80px) rotate(45deg);
    -ms-transform: translate(80px , 80px) rotate(45deg);
    -o-transform: translate(80px , 80px) rotate(45deg);
}
.sff_part5_title {
    width: 318px;
    float: left;
    letter-spacing: 1px;
    position: relative;
    top: 175px;
}
.sff_part5_title h1 {
    font-size: 36px;
    margin-bottom: 30px;
    font-weight: 100;
}
.sff_part5_title p {
    line-height: 30px;
}
.sff_part5 .battery {
    width: 180px;
    position: relative;
    top: 150px;
}
.battery {
    float: left;
    width: 80px;
    position: relative;
    top: 50%;
    margin-top: -88px;
}
.sff_part5 .battery img:nth-of-type(1).on {
    animation: opacity0To1 .6s ease both;
    -webkit-animation: opacity0To1 .6s ease both;
    animation-delay: 0.5s;
    -webkit-animation-delay: 0.5s;
}
.sff_part5 .battery img {
    width: 30px;
    float: left;
    margin-right: 15px;
    opacity: 0;
}
.sff_part6 {
    padding-bottom: 140px;
}
.sff_img {
    background: url(../img/safirst.jpg) center center no-repeat;
    background-size: cover;
    height: 910px;
}
.sff_part6 .sff_part6_title {
    width: 495px;
    margin: 0 auto;
    margin-top: 60px;
    text-align: center;
}
.sff_part6 .sff_part6_title p {
    margin-top: 32px;
    line-height: 40px;
}
.sff_part7 .f_part10 {
    background: #EEEEEE;
}
.f_part10 {
    height: 400px;
    position: relative;
}
@media screen and (max-width: 1000px) and (min-width: 800px){
    .disney_img{
        left:-5px;
    }
    .disney_part8 .next_contect{
        left:0;
    }
    .sff_part1{
        background-size: 135%;
    }
    .sff_video video{
        left:-50px;
    }
    .sff_part2_title{
        width: 301px;
        right: 205px;
    }
    .sff_part5_title{
        width:150px!important;
    }
    .next_contect{
        width: 480px;
    }
}
@media screen and (max-width: 900px){
    .sff_part4_list{
        margin-left: -9%!important;
    }
   
}