@charset "UTF-8";
.page_content01{
    padding-top: 40px;
}
.history_p{
    margin-top: 30px;
    margin-bottom: 30px;
}
.history_banner{
    background-image: url('https://www.yamaha-motor.com.cn/profile/history/img_new/banner.webp');
    height: 380px;
    align-items: center;
    margin-bottom: 5%;
}
.history_contents_box{
    margin-bottom: 5%;
}
.history_year {
    justify-content: center;
    -webkit-justify-content: center;
    width: 85%;
    margin: 0 auto;
    flex-direction: row-reverse;
    margin-top: 6%;
}
.history_year_01 {
    width: calc(11.111% - 29px);
    margin-right: 24px;
    pointer-events: none;
    position: relative;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.4);
}
.history_year_01::before {
    content: '';
    width: 24px;
    height: 24px;
    background: #ffffff;
    opacity: 0.4;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    margin-top: -12px;
    right: -24px;
    pointer-events: auto;
    cursor: pointer;
}
.history_year_01 p {
    font-size: 24px;
    font-weight: 400;
    color: #ffffff;
    position: absolute;
    width: 120px;
    top: -50px;
    right: -100px;
    cursor: pointer;
    pointer-events: auto;
}
.year_active{

}
.year_active::after {
    content: '';
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    margin-top: -8px;
    right: -20px;
}
.history_year_01:last-child{
    width: 0px;
    margin-left: 0;
    margin-right: 0;
}
.history_year_01:last-child::before{
    right: 0px;
}
.history_year_01:last-child p{
    right: -80px;
}
.history_year_01:last-child.year_active::after {
    right: 4px;
}
.history_contents_deatils {
    display: none;
}
.history_contents_deatils.active{
    display: block;
}
.history_contents_deatils>h2{
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 25px;
}
.history_contents_deatils>div>div{
    position: relative;
}
.history_deatils_01::after{
    content: '';
    width: 2px;
    height: 100%;
    background-color: #EEEEEE;
    position: absolute;
    right: calc(var(--bs-gutter-x) * .5 / 2 - 1px);
    top: 0;
}
.history_contents_deatils>div>div:first-child::before{
    content: '';
    width: 24px;
    height: 24px;
    background-color: #EEEEEE;
    position: absolute;
    right: calc(var(--bs-gutter-x) * .5 / 2 - 12px);
    top: 0;
    border-radius: 50%;
}
.history_contents_deatils>div>div>div>p{
    margin-bottom: 10px;
}
.history_contents_deatils>div>div>div>img{
    width: 146px;
}
.history_year_p{
    font-size: 32px;
    font-weight: bold;
    color: #111111;
}
.history_deatils_02_box{
    margin-top: 100px;
    margin-left: 110px;
    position: relative;
}
.history_deatils_02_box::before,.history_deatils_01_box::before{
    content: '';
    width: 24px;
    height: 24px;
    background-color: #EEEEEE;
    position: absolute;
    left: -140px;
    top: 14px;
    border-radius: 50%;
}
.history_deatils_02_box::after,.history_deatils_01_box::after{
    content: '';
    width: 16px;
    height: 16px;
    background-color: #DDDDDD;
    position: absolute;
    left: -136px;
    top: 18px;
    border-radius: 50%;
}
.history_deatils_02_box>.history_year_p::before,.history_deatils_01_box>.history_year_p::before{
    content: '';
    width: 95px;
    height: 4px;
    background-color: #EEEEEE;
    position: absolute;
    left: -117px;
    top: 24px;
}
.history_deatils_01_box{
    margin-top: 100px;
    margin-right: 110px;
    position: relative;
}
.history_deatils_01_box::before{
    right: -128px;
    left: auto;
}
.history_deatils_01_box::after{
    right: -124px;
    left: auto;
    z-index: 1;
}
.history_deatils_01_box>.history_year_p::before{
    left: auto;
    right: -104px;
}
.history_banner>div{
    width: 100%;
    position: relative;
}
.history_banner>div>h1{
    font-size: 36px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 100px;
    width: 100%;
    text-align: center;
}
.swiper-year, .swiper-button-next-history_year,.swiper-button-prev-history_year{
    display: none;
}

@media (min-width: 992px) and (max-width: 1400px) {

}
@media (min-width: 992px) {
    
}
@media (max-width: 991px) {
    .history_deatils_02_box::before, .history_deatils_01_box::before,
    .history_deatils_01_box::after,
    .history_deatils_01_box>.history_year_p::before,
    .history_contents_deatils>div>div:first-child::before,
    .history_deatils_01::after,
    .history_deatils_02_box::after,
    .history_deatils_02_box>.history_year_p::before,
    .history_year
    {
        display: none;
    }
    .history_banner{
        margin-bottom: 35px;
    }
    .history_contents_deatils>h2{
        font-size: 20px;
        text-align: left;
        margin-bottom: 20px;
    }
    .history_deatils_01_box,.history_deatils_02_box{
        margin-right: 0;
        margin-top: 0;
        margin-left: 0;
        margin-bottom: 35px;
    }
    .history_year_p{
        font-size: 20px;
    }
    .history_banner{
        background-image: url('https://www.yamaha-motor.com.cn/profile/history/img_new/banner_sp.webp');
        height: 133px;
    }
    .history_banner>div>h1{
        font-size: 24px;
        margin-bottom: 22px;
    }
    .swiper-year{
        display: block;
        position: relative;
        width: 85%;
        margin: 0 auto;
    }
    .sp_year{
        color: #fff;
        text-align: center;
        position: relative;
        padding-top: 10px;
    }
    .sp_year::after{
        content: '';
        width: 100%;
        height: 1px;
        background-color: #fff;
        top: 1.5px;
        left: 0;
        position: absolute;
        opacity: 0.25;
        
    }
    .sp_year.active::before{
        position: absolute;
        content: '';
        width: 100%;
        height: 4px;
        background-color: #105BAA;
        top: 0;
        left: 0;
    }
    .sp_year.active::after{
        height: 0;
    }
    .swiper-button-prev-history_year:after,.swiper-button-next-history_year:after{
        font-size: 18px;
        color: #fff;
    }
    .swiper-button-prev-history_year{
        left: 4px;
    }
    .swiper-button-next-history_year{
        right:  4px;
        
    }
    .swiper-button-next-history_year,.swiper-button-prev-history_year{
        bottom: 7px;
        display: block;
        width: 10px;
        height: 18px;
        top: auto;
    }

}