.contain_header{
    position:fixed;
    top:0;
    width:100%;
    z-index:3;
}
.contain_header .down {
    background: linear-gradient(135deg, #49E9FF 0%, #0C74D4 100%);
    color: rgba(255, 255, 255, 0.8);
}

.full_screen_swiper{
    width: 100%;
    height: 100vh;
    background-image: url("https://static.steambig.com/game_release/F20211028_01.png");
    background-size: 100% 100%;
    background-position: 0 0;
}

.swiper-slide{
    height: 100vh;
}

.swiper-slide .part_1{
    background-color: transparent;
}

.contain_header .w1440{
    display:flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
}
.part_one{
    margin-top: 88px;
}
.part_one .w1440 .left{
    padding-left:70px;
}
.part_one .left .p2{
    font-size:16px;
    line-height:20px;
}
.part_1 {
    
    overflow: hidden;
    margin-bottom:0
}
.part_1 .w1440{
    display:flex;
    align-items: center;
    justify-content: center;
}

.part_1 .left {
    flex: 0 0 auto;
    margin: 0 20px;
}

.part_1 .left .p2 {
    position: relative;
    margin-left: 20px;
}

.part_1 .left .p2::before {
    width: 10px;
    height: 10px;
    background: #4DC7ED;
    border-radius: 50%;
    position: absolute;
    content: '';
    left: -20px;
    top: 5px;
    opacity: 1
}

.part_1 .left a {
    width: 227px
}

.part_1 .client {
    display: flex;
    margin: 15px 0;
}

.part_1 .client .version {
    margin: 0 18px;
}

.opacity6 {
    color: rgba(255, 255, 255, 0.6)
}
.part_1 .right .part_1_swiper {
    width: 449px;
    height: 340px;
}
.part_1 .right .swiper-slide img {
    height: 253px;
  }
.part_1 .right .swiper-slide p {
    /* display: flex;
    align-items: center !important; */
    background: #17191E;
}
.part_1 .right{
    /* height:100% */
}
.part_1 .right .swiper-slide p span:nth-child(1) {
    font-size: 27px;
}

.part_1 .right .swiper-slide p :nth-child(2) {
    font-size: 16px;
}

.part_1 .right .swiper-slide p span:nth-child(3) {
    font-size: 16px;
}
.part_two{
padding-top:16vw
}
.part_two .desc{
    width: 500px;
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 20px;
}
.part_4{
    position:relative;
}

.fixed_left{
    position: absolute;
    margin-left: 9.7%;
    margin-top: 14vw;
    top: 0;
    left: 0;
    color: #000;
    z-index: 10;
}
.fixed_left .swiper-pagination-bullet{
    display: flex;
    align-items: center;
    width: auto;
    height: auto;
    background-color: transparent;
    opacity: 1;
}

.fixed_left{
    color: #fff;
}

.fixed_left p{
    font-size: 16px;
    line-height: 16px;
    margin-bottom: 50px;
}

.fixed_left .title{
    font-size: 16px;
    font-weight: 500;
    line-height: 30px;
    opacity:0.6
}
.fixed_left .swiper-pagination-bullet{
    margin-bottom: 60px;
}
.fixed_left .swiper-pagination-bullet-active .title{
    opacity:1
}

.fixed_left .circle {
    width: 16px;
    height: 16px;
    border: 1px solid #FFFFFF;
    margin-right:23px;
    border-radius: 50%;
    display: inline-block;
}
.fixed_left .swiper-pagination-bullet-active .circle {
    background-color: #fff;
    box-shadow: inset 0px 0px 80px #fff,
    inset 10px 0px 80px #D0F3FF,
    inset -10px 0px 80px #D0F3FF,
    inset 10px 0px 180px #D0F3FF,
    inset -10px 0px 180px #D0F3FF,
    0px 0px 50px #D0F3FF,
    10px 0px 50px #D0F3FF,
    -10px 0px 50px #D0F3FF;
}