/* about begin */
.about{
    background: url(../images/about_content_bg.png) no-repeat center bottom,url(../images/contact_bg.jpg) no-repeat center top #e9f3ff;
}
.about .slogan{
    font-size: 1.5rem;
    color: #000;
}
.about .about_content{
   font-size: 1.25rem;
   line-height: 2;
}
.about .stock{
    font-size: 1.25rem;
    line-height: 2;
}
.about .stock .item{
    background: #d7f2ff;
    border: 0.5rem solid #d7f2ff;
    border-radius: 4px;
    color: #0094dc;
}
.about .stock .item span{
    padding: 0.5rem 2rem;
}
.about .stock .item span:last-child{
    background: #fff;
    border-radius: 4px;
}
.about .video{
    height: 700px;
}
.about .video .video-play-btn {
    background: url(../images/about_video_poster.jpg) no-repeat center center;
    background-size: cover;
}

.factorySwiper .swiper-slide{
	transition: 300ms;
	transform: scale(0.8);
	background: white;
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
}
.factorySwiper .swiper-slide-active,.factorySwiper .swiper-slide-duplicate-active{
	transform: scale(1);
}
.factorySwiper .swiper-slide .txt{
    position: absolute;
    width: 100%;
    padding:1rem;
    color: white;
    font-size: 1.25rem;
    font-weight: bold;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
    left: 0;
    bottom: 0;
}

.factorySwiper .swiper-button-prev,.factorySwiper .swiper-rtl .swiper-button-next{
	left: 12vw;
}
.factorySwiper .swiper-button-next,.factorySwiper  .swiper-rtl .swiper-button-prev{
	right: 12vw;
}
.factorySwiper .swiper-button-prev:after,.factorySwiper .swiper-rtl .swiper-button-next:after,.factorySwiper .swiper-button-next:after,.factorySwiper  .swiper-rtl .swiper-button-prev:after{
	color: #000;
    font-size: 1.5rem;
}

.solutions ul li {
    width: 10%;
    transition: all .5s;
    overflow: hidden;
    position: relative;
    border-radius: 10px;
}

.solutions ul li.active {
    width: 50%;
}

.solutions ul li h4 {
    color: white;
    font-size: 1.5rem;
    position: absolute;
    left: 50%;
    top: 10%;
    transform: translate(-50%, 0);
    writing-mode: vertical-lr;
    margin: 0;
}

.solutions ul li .pic {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.solutions ul li .pic::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
}

.solutions ul li.active .pic::before {
    background: linear-gradient(to bottom,rgba(0, 148, 220, 0) 30%, rgba(0, 148, 220, 1) 80%);
}

.solutions ul li img {
    max-width: initial;
}

.solutions ul .txt {
    position: absolute;
    left: 0;
    bottom: 2rem;
    opacity: 0;
    padding: 0 2rem;
}

.solutions ul strong {
    font-size: 1.5rem;
    display: block;
    font-weight: normal;
    color: white;
    margin-bottom: 1.5rem;
}

.solutions ul p {
    color: #fff;
    font-size: 1rem;
    font-weight: normal;
    line-height: 2;
    margin: 0;
}

.solutions ul li.active h4 {
    display: none;
}

.solutions ul li.active .txt {
    opacity: 1;
}

.patent{
    /*background: url(../images/about_patent_bg.jpg) no-repeat center top;*/
    /*background-size: cover;*/
}
.patent .about-result{
    /*padding-top: 18rem;*/
    padding-bottom: 0;
}
.about-result .result-card{
    background: url(../images/kj_bg_num.png) no-repeat center center;
    background-size: contain;
}

/* about end */

/*history begin*/
.history-list{
    position: relative;
    background: linear-gradient(to right, transparent 46%, #87cafc 46%,#87cafc 54%,transparent 54%);
    margin: 6rem 0 0 0;
    padding-bottom: 4rem;
    padding-top: 4rem;
}
.history-list::before{
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 8rem solid transparent;
    border-right: 8rem solid transparent;
    border-bottom: 5rem solid #87cafc;
    position: absolute;
    left: 50%;
    top: -4.75rem;
    transform: translateX(-50%);
}
.history-list::after{
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 8.25rem solid transparent;
    border-right: 8.25rem solid transparent;
    border-bottom: 3rem solid #e9f3ff;
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
}
.history-list .item{
    width: 100%;
}
.history-list .item .his_cont{
    width: 54%;
}
.history-list .item .time{
    color: white;
    font-size: 2.5rem;
    padding-top: 0;
    font-family: 'MiSans-Light';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 7.25rem;
}
.history-list .item .time span{
    position: relative;
}
.history-list .item .content{
    flex: 1 1 0;
    max-width: 100%;
}

.history-list .item .content .pic{
    width: 25rem;
    max-width: 100%;
    border-radius: 0.5rem;
}
.history-list .item .content .txt{
    width: 100%;
}
.history-list .item .content .txt p::before{
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    background: #0d648e;
    background-size: contain;
    position: absolute;
    border-radius: 50%;
    left: 0;
    top: 0.625rem;
}
.history-list .item:nth-child(odd){
    justify-content: end;
}
.history-list .item:nth-child(odd) .time span::before{
    content: '';
    display: none;
    width: 0;
    height: 0;
    border-top: 0.5rem solid transparent;
    border-bottom: 0.5rem solid transparent;
    border-left: 1rem solid white;
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
}
.history-list .item:nth-child(odd) .content{
    padding-left: 4rem;
}
.history-list .item:nth-child(odd) .content .txt p{
    position: relative;
    padding-left: 1rem;
}
.history-list .item:nth-child(even){
    justify-content: start;
}
.history-list .item:nth-child(even) .his_cont{
    justify-content: end;
}
.history-list .item:nth-child(even) .time{
    order: 2;
}
.history-list .item:nth-child(even) .time span::before{
    content: '';
    display: none;
    width: 0;
    height: 0;
    border-top: 0.5rem solid transparent;
    border-bottom: 0.5rem solid transparent;
    border-right: 1rem solid white;
    position: absolute;
    left: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
}
.history-list .item:nth-child(even) .content{
    order: 1;
}
.history-list .item:nth-child(even) .content{
    padding-right: 4rem;
    justify-content: end;
    align-items: end;
}
.history-list .item:nth-child(even) .content p{
    text-align: right;
    position: relative;
    padding-right: 1rem;
}
.history-list .item:nth-child(even) .content p::before{
    left: auto;
    right: 0;
}
/*history begin*/

/*honor begin*/
.honor{
    background: url(../images/honor_content_bg.jpg) no-repeat center top #e9f3ff;
    background-size: 100% auto;
}
.honor-list{
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 2rem;
    margin-top: 22vw;
}
.honor-list li{
    grid-column: span 2;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 0.25rem;
}
.honor-list li .pic img{
    max-width: 100%;
    width: 100%;
}
.honor-list li .txt{
    text-align: center;
    padding-top: 1rem;
}

.keji{
    background: url(../images/keji_bg.jpg) no-repeat center center #e9f3ff;
    background-size: 100% 100%;
    height: 50rem;
    width: 100%;
}
/*honor end*/

.patentList{
    background:url(../images/about_banner_kejibg.jpg) no-repeat center top #e9f3ff;
    background-size:100% auto;
}
.patentList .honor-list{
    margin-top:2rem;
}

#patent{
    scroll-margin-top: var(--header-offset, 80px);
}

@media (max-width: 1200px) {
    .about .video{
        height: auto;
    }
    .patent .about-result{
        padding-top: 2rem;
        padding-bottom: 0;
    }
    .honor{
        background: url(../images/honor_content_bg.jpg) no-repeat center 3vw #e9f3ff;
        background-size: 130% auto;
    }
    .honor-list{
        grid-template-columns: repeat(12, 1fr);
        margin-top: 28vw;
    }
    .honor-list li{
        grid-column: span 3;
    }
    .patentList{
        background:url(../images/about_banner_kejibg.jpg) no-repeat center top #e9f3ff;
        background-size:100% auto;
    }
    .history{
        padding-bottom: 6rem !important;
    }
    .history-list .item .time{
        font-size: 1.5rem;
    }
    .history-list .item .content .pic{
        max-width: 80%;
    }
    .history-list .item .content .txt p{
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }
    .history-list .item:nth-child(odd) .time span::before{
        border-top: 0.25rem solid transparent;
        border-bottom: 0.25rem solid transparent;
        border-left: 0.5rem solid white;
        right: -1rem;
    }
    .history-list .item:nth-child(even) .time span::before{
        border-top: 0.25rem solid transparent;
        border-bottom: 0.25rem solid transparent;
        border-right: 0.5rem solid white;
        left: -1rem;
    }
    .keji{
        background-size: 130% 130%;
        height: 40rem;
    }
}

@media (max-width: 768px) {
    .about .slogan{
        font-size: 1.25rem;
        font-weight: bold;
    }
    .about .about_content{
        font-size: 1rem;
    }
    .about .stock{
        font-size: 0.875rem;
    }
    .about .stock .item{
       flex:1;
    }
    .about .stock .item span{
        padding: 0.25rem 0;
        flex: 1;
        text-align: center;
    }
    .honor-list{
        gap: 1rem;
    }
    .factorySwiper{
        width: 90%;
        margin: 0 auto;
    }
    .factorySwiper .swiper-slide .txt{
        font-size: 1rem;
        padding: 0.5rem;
    }
    .solutions ul {
        flex-wrap: wrap;
    }

    .solutions ul li,
    .solutions ul li.active {
        width: 100%;
        margin-bottom: 1rem;
        border-radius: 0;
    }
    .solutions ul li .pic{
        border-radius: 0.5rem;
        width: 100%;
        overflow: hidden;
        display: block;
        position: relative;
    }
    .solutions ul li .pic img{
        position: absolute;
        top: 0;
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
    }
    .solutions ul li .pic::before{
        content: "\0020";
        display: block;
        width: 100%;
        height: 0;
        padding: 25% 0;
        background: none;
        position: static;
    }

    .solutions ul .txt {
        opacity: 1;
        position: static;
        width: 100%;
        color: #000;
        padding: 1rem 0;
        border-bottom: 1px solid #ddd;
    }
    .solutions ul strong{
        color: #000;
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }
    .solutions ul p{
        color: #666;
        font-size: 0.875rem;
    }

    .solutions ul li h4 {
        display: none;
    }
    .honor{
        background: url(../images/honor_content_bg.jpg) no-repeat center 10vw #e9f3ff;
        background-size: 200% auto;
    }
    .honor-list{
        margin-top: 46vw;
    }
    .honor-list li{
        grid-column: span 12;
    }
    .honor-list li .pic::before{
        padding: 0;
    }
    .honor-list li .pic img{
        position: static;
    }
    .patentList{
        background:url(../images/about_banner_kejibg.jpg) no-repeat center top #e9f3ff;
        background-size:100% auto;
    }
    .patentList li{
        grid-column: span 6;
    }
    .history-list{
        background: linear-gradient(to right, #87cafc 20%,  transparent 10%);
        padding: 1rem 0 4rem;
        gap: 2rem;
        margin-top: 0;
    }
    .history-list::before{
        border-left: 2.8rem solid transparent;
        border-right: 2.8rem solid transparent;
        border-top: 0.5rem solid #e9f3ff;
        left: -0.5rem;
        top: -3.458em;
        transform: translateX(0);
        border-bottom: 3rem solid #87cafc;
    }
    .history-list::after{
        border-left: 2.4rem solid transparent;
        border-right: 2.4rem solid transparent;
        border-top: 1rem solid transparent;
        left: 0;
        bottom: 0;
        transform: translateX(0);
    }
    .history-list .item .his_cont{
        width: 100%;
        padding-left: 0;
    }
    .history-list .item .content{
        flex: 1 1 0;
        width: 0;;
    }
    .history-list .item .content .pic{
        max-width: 100%;
    }
    .history-list .item:nth-child(odd) .content{
        padding-left: 1rem;
    }
    .history-list .item .time{
        font-size: 1.25rem;
        width: 20%;
        text-align: center;
    }
    .history-list .item:nth-child(even) .his_cont{
        justify-content: start;
    }
    .history-list .item:nth-child(even) .time{
        order: 1;
    }
    .history-list .item:nth-child(even) .time span::before{
        left: auto;
        border-right: 0;
        border-left: 0.5rem solid white;
        right: -1rem;
    }
    .history-list .item:nth-child(even) .content{
        order: 2;
    }
    .history-list .item:nth-child(even) .content{
        padding-right: 0;
        padding-left: 1rem;
    }
    .history-list .item:nth-child(even) .content p{
        text-align: left;
        padding-left: 1rem;
        padding-right: 0;
    }
    .history-list .item:nth-child(even) .content p::before{
        left: 0;
        right: auto;
    }
    .keji{
        background-size: 150%;
        height: 70vw;
    }
}