body{
    background: #000;
    color: #fff;
}
#banner {
    position: relative;
    width: 100%;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.banner_video{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 800px;
}
.banner_bg{
    position: absolute;
    bottom: -2px;
    width: 100%;
    background: linear-gradient(to bottom,rgb(0, 0, 0,0.3),rgb(0,0,0));
    height: 100px;
    z-index: 8;
    filter: blur(1px);
}
.bracelet_all{
    width: 1110px;
	margin: 200px auto 0;
    text-align: center;
}
.bracelet_all_title{
    font-size: 20px;
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
}
#down{
    width: 100%;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 138px;
}
#down img{
    width: 41px;
    height: 22px;
}
#braclet_list{
    width: 100%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-around;

}
.braclet_box{
    width: calc( 82%/3 );
}
.braclet_box_title{
    width: 100%;
    text-align: center;
    border-bottom: 2px solid #fff;
    padding-bottom: 20px;
    font-size: 24px;
    margin-bottom: 20px;
}
.braclet_box_img{
    width: 100%;
    text-align: center;

    padding-bottom: 20px;
    margin-bottom: 30px;
}
.braclet_box_img_image{
    width: 400px;
    margin-left: -45px;
}
.braclet_box_introduce{
    width: 100%;
    text-align: center;
    padding-bottom: 20px;
    margin-bottom: 30px;
    font-size: 16px;
    letter-spacing: 2px;

}
.braclet_box_battery{
    width: 100%;
    text-align: center;
    padding-bottom: 20px;
    margin-bottom: 30px;
}
.braclet_box_battery_icon img{
    width: 26px;
    height: 26px;
    margin-bottom: 20px;
}
.braclet_box_battery_num{
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
    font-size: 16px;
    letter-spacing: 2px;
}
.braclet_box_battery_material{
    width: 100%;
    text-align: center;
    margin-bottom: 80px;
    font-size: 16px;
    letter-spacing: 2px;
}
.braclet_box_battery_icon1 img{
    width: 24px;
    height: 26px;
    margin-bottom: 20px;
}
.braclet_box_battery_led{
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 80px;
}
.braclet_box_battery_icon3 img{
    width: 30px;
    height: 16px;
    margin-bottom: 20px;
}
.braclet_box_battery_life{
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.braclet_box_battery_time{
    font-size: 16px;
    margin-bottom: 80px;
    letter-spacing: 2px;
}
.braclet_box_battery_icon4 img{
    width: 28px;
    height: 18px;
    margin-bottom: 20px;
}
.braclet_box_battery_list_span{
    font-size: 16px;
    letter-spacing: 2px;
}
.braclet_box_battery_list{
    padding: 0;
    margin: 0;
    margin-bottom: 20px;
}
.braclet_box_battery_color{
    width: 100%;
    display: flex;
    flex-flow: row wrap;
    margin-bottom: 60px;
}
.braclet_box_battery_list_yuan{
    width: calc( 100% / 8 );
    text-align: center;
}
.braclet_box_battery_list_yuan div{
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 1px solid #fff;
}
.braclet_box_battery_url{
    width: 120px;
    height: 30px;
    margin-left: calc( 50% - 60px );
    font-size: 14px;
    text-align: center;
    line-height: 32px;
    background: #fff;
    border-radius: 15px;
}
.braclet_box_battery_url a{
    color:#000;
    padding: 0;
    margin: 0;
}
#bracelet_video {
    position: relative;
    width: 1110px;
    box-sizing: border-box;
    margin: 138px auto 0;
    padding: 0;
}
#bracelet_video img{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    width: 1110px;
}

#bracelet_video video{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    width: 100%;
}
#about {
    width: 1110px;
    margin: 128px auto 0;
    text-align: center;
}
.about img{
    width: 739px;
    height: 416px;
}