.ab1 {width:100%;padding:5rem 0 1rem;background: url('../images/ab1_bj.jpg');background-position: top center;}
.ab1 .title {margin-bottom: 2rem;}
.ab1 .title .cn {font-size: 2.2rem;margin-bottom: 1rem;padding-bottom:1rem;font-weight: 600;color:#5e5e5e;position: relative;}
.ab1 .title .cn:after {
    content: '';
    position: absolute;
    left:0;
    bottom:0;
    width:5rem;
    height:2px;
    background: var(--comcolor);
}
.ab1 .title .en {
    font-size: 2rem;
    color: #909090;
    opacity: .5;
    font-weight: 700;
    margin-bottom: 1rem;
}
.ab1 .title .desc {
    font-size: 1.2rem;
    color:#595959;
}
.ab1 .cont p { font-size: 1rem;line-height: 2rem;text-indent: 2rem; }
.ab1 .data {height:20rem;position: relative;background: url('../images/ab1_bj2.png');background-position: top center;}
.ab1 .data ul{position: absolute;left:50%;bottom:30%;transform: translate(-50%,50%);width:100%;display: flex;justify-content: space-between;flex-wrap: wrap; }
.ab1 .data ul li {width:25%;color:#fff;text-align: center;border-right:1px solid #636363;}
.ab1 .data ul li:last-child {border:none;}
.ab1 .data ul li .n {font-size:2.2rem;font-family: EUROSTILE-BOLDEXTENDEDTWO;margin-right: 0.5rem;}
.ab1 .data ul li .n p {margin-top: 1rem;}

@media  screen and (max-width: 768px){
    .ab1 .data {height:25rem;}
    .ab1 .data ul li {
        width: 50%;
        margin-bottom: 1rem;
    }
    .ab1 .data ul li:nth-child(even) {border:none;}
}








.ab2{padding:5rem 0 2rem;background: url(../images/ab2_bj.jpg) no-repeat center;background-size: cover;position: relative;}
.ab2 .tit{text-align: center;margin-bottom: 5rem;}
.ab2 .tit .cn{font-size: 3rem;color: var(--subcolor);margin-bottom: 1rem;}
.ab2 .tit .en{font-size: 1.5rem;color: var(--subcolor);text-transform: uppercase;}
.ab2 .dh_swiper1{position: relative;overflow: hidden;}
.ab2 .dh_swiper1 .swiper-slide .day{font-size: 1.5rem;color: #fff;margin-bottom: 1.5rem;transition: all 0.5s;}
.ab2 .dh_swiper1 .swiper-slide .p{font-size: 1rem;line-height: 1.6rem;color: #fff;transition: all 0.5s;padding-right: 3px;height:15rem;overflow: auto;
    width: 95%;margin-bottom: 1rem;}
.ab2 .dh_swiper1 .swiper-slide .p::-webkit-scrollbar {width:1px;}
.ab2 .dh_swiper1 .swiper-slide .p::-webkit-scrollbar-track {background:rgba(0,0,0,0.1);}
.ab2 .dh_swiper1 .swiper-slide .p::-webkit-scrollbar-thumb {background:var(--subcolor);}
.ab2 .dh_swiper1 .swiper-slide-active .day{color: var(--subcolor);}
.ab2 .dh_swiper1 .swiper-slide-active .p{color: var(--subcolor);}


.ab2 .svg_box{height: 12rem;position: relative;}
.ab2 .dh_swiper2{width: 100%;overflow: hidden;position: absolute;left: 0;bottom: 0;}
.ab2 .dh_swiper2 .swiper-wrapper {cursor: url(../images/np.ico), pointer!important;}
.ab2 .dh_swiper2 .swiper-slide{height: 8rem;background: url(../images/ab2_solid.png);background-size: 100% 100%;opacity: 0.3;transition: all 1s;}
.ab2 .dh_swiper2 .swiper-slide-active{opacity: 1;}
.ab2 .dh_swiper3{width: 100%;position: absolute;left: 0;bottom: 0; overflow: hidden;}
.ab2 .dh_swiper3 .swiper-wrapper {cursor: url(../images/np.ico), pointer!important;}
.ab2 .dh_swiper3 .swiper-slide{height: 10rem;background: url(../images/ab2_solid2.png)no-repeat left;background-size: auto 100%;transition: all 1s;opacity: 0.3;}
.ab2 .dh_swiper3 .swiper-slide-active{opacity: 1;}





.about_title {
    position: relative;
    padding-top: 3rem;
    padding-bottom: 2rem;
}
.about_title .cn{
    font-size: 2.5rem;
    color: var(--comcolor);
    font-weight: bold;
    position: relative;
    z-index: 2;
    margin-bottom: 1rem;
}
.about_title .cn2{
    font-size: 1.5rem;
    color: #454545;
    position: relative;
    z-index: 2;
}
.about_title .en{
    font-size: 5rem;
    color: rgba(0, 88, 167, 0.1);
    line-height: 9rem;
    text-transform: uppercase;
    white-space: nowrap;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    font-family: "Swis721BlkCnBT";
    width: 100%;
}

@media  screen and (max-width: 768px){
    .about_title {
        padding-top: 1.5rem;
    }
    .about_title .en{
        font-size: 2rem;
    }
}

.ab3 {
    padding: 2rem 0;
    position: relative;
}
.ab3 ul li {
    position: relative;border-radius: 1rem;

}
.ab3 ul li img{width:100%;height:100%;border-radius: 5px;object-fit: cover;display: block;}
.ab3 ul li .tit {position: absolute;bottom:40%;left:0;width:100%;text-align: center;z-index: 2;color:#fff;font-size: 1.5rem;font-weight: 600;transition: 0.5s;}
.ab3 ul li .desc {visibility: hidden;position: absolute;bottom:0;left:10%;width:80%;z-index: 2;color:#fff;transition: 0.5s;text-align: center;}
.ab3 ul li .desc p {font-size: 1.5rem;}
.ab3 ul li .tit {bottom:50%;font-size: 2rem;}
.ab3 ul li .desc {visibility:visible;bottom:35%;}

@media  screen and (min-width: 768px){
    .ab3 ul {display: flex;height: 30rem;}
    .ab3 ul li {width:32%;margin-right: 2%;position: relative;height:100%;overflow: hidden;transition: 0.5s;background: #6565652b;}
    .ab3 ul li:last-child {margin-right: 0;}

    .ab3 ul li::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.3);
    }
}

@media  screen and (max-width: 768px){
    .ab3 ul li {width:100%;margin-bottom: 1rem;}
    .ab3 ul li .tit {top:30%;font-size: 1.8rem;}
    .ab3 ul li .desc {visibility:visible;top:60%;}
    .ab3 ul li .desc p {font-size: 1.2rem;}
    .ab3 ul li::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.3);
    }
}