@charset "UTF-8";
* {
    margin: 0;
    padding: 0;
}

.index_section1 {
    width: 100%;
    height: 909px\0;
    overflow: hidden;
}

.banner li {
    position: relative;
}

.banner li .img {
    position: relative;
    padding-bottom: 100vh;
    height: 0;
}

.banner li .img em {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    height: 909px\0;
    display: block;
    background-position: center center;
    background-size: cover;
}


/*.banner .txt { position: absolute; left: 100px; top: 50%; height: 252px; margin-top: -126px; max-width: 1200px; width: 50%; }*/

.banner .txt {
    position: absolute;
    top: 50%;
    z-index: 99999;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 999;
}

.banner .txt1 {
    line-height: 800px;
    margin-bottom: 24px;
}

.banner .txt1 span {
    display: block;
    font-size: 36px;
    color: #fff;
}

.banner .txt2 {
    line-height: 50px;
    margin-top: 15px;
}

.banner .txt2 span {
    display: block;
    font-size: 30px;
    color: #fff;
}

.banner .txt3 {
    line-height: 24px;
}

.banner .txt3 span {
    display: block;
    font-size: 12px;
    color: #fff;
    text-transform: uppercase;
}


.banner .swiper-button-prev{
    background-image: url(../images/l.png);
    width: 52px;
    height: 52px;
}
.banner .swiper-button-next {
    background-image: url(../images/r.png);
    width: 52px;
    height: 52px;
}

.banner .swiper-pagination {
    position: absolute;
    left: auto;
    right:46.5%;
    bottom: 20px;
    width: auto;
}

.banner .swiper-pagination .swiper-pagination-bullet {
    background-color: #ffffff;
    opacity: 0.68;
    position: relative;
    width: 40px;
    height: 5px;
    margin: 0 5px;
    overflow: hidden;
    float: left;
    display: block;
}

.banner .swiper-pagination .swiper-pagination-bullet:after {
    position: absolute;
    left: 0;
    width: 100%;
    background: #e50112;
    opacity: 1;
    top: 0;
    height: 100%;
    content: "";
    /* border-radius: 50%; */
    transform: translateY(100%);
    transition: all 0.3s ease 0s;
}

.banner .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active:after {
    transform: translateY(0);
}

.banner li a .img em:after {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    content: "";
    background: rgba(0, 0, 0, 0.1);
}

.banner .line {
    height: 3px !important;
    overflow: hidden;
}

.banner .line span {
    position: relative;
    display: block;
    float: left;
    width: 42px;
    height: 3px;
    line-height: 1;
    z-index: 9999;
    font-size: 0;
    overflow: hidden;
    background: none;
}

.banner .line span:before {
    position: absolute;
    left: 50%;
    top: 0px;
    content: "";
    width: 0;
    height: 3px;
    overflow: hidden;
    background: #c9202a;
}

.banner .swiper-slide-active .line span:before {
    width: 100%;
    left: 0;
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
}



.banner .txt1 span {
    transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateY(100%);
  
}

.banner .swiper-slide-active .txt1 span {
    transform: translateY(0);
 
}

.banner .txt2 {
    max-height: 96px;
    overflow: hidden;
}

.banner .txt2 span {
    transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s;
    transform: translateX(-100%);
}

.banner .swiper-slide-active .txt2 span {
    transform: translateX(0);
}

.banner .txt3 {
    max-height: 41px;
    overflow: hidden;
}

.banner .txt3 span {
    transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s;
    transform: translateX(-100%);
}

.banner .swiper-slide-active .txt3 span {
    transform: translateX(0);
}

.banner .swiper-slide-active .img em {
    animation: scaleUpDown 1.2s forwards cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes scaleUpDown {
    from {
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
    }
    to {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

.mouse:hover em {
    background-position: center bottom;
}

.mouse:hover span {
    color: #e83428;
}

.mouse em {
    display: block;
    margin: 0 auto 12px;
    background: url(../images/mouse.png) no-repeat center top;
    width: 24px;
    height: 38px;
    animation: 1s linear 0s normal none infinite running myfirst;
    -webkit-transition: all 0.7s;
    -moz-transition: all 0.7s;
    -ms-transition: all 0.7s;
    -o-transition: all 0.7s;
    transition: all 0.7s;
}

.mouse span {
    display: block;
    font-size: 12px;
    color: #d1d0d0;
    line-height: 24px;
    -webkit-transition: all 0.7s;
    -moz-transition: all 0.7s;
    -ms-transition: all 0.7s;
    -o-transition: all 0.7s;
    transition: all 0.7s;
}

@keyframes myfirst {
    0% {
        transform: translateY(-5px);
    }
    50% {
        transform: translateY(0px);
    }
    100% {
        transform: translateY(-5px);
    }
}

form: translateY(-5px);

}

}