body {
    background: #fff;
}

.mainWrap {
    position: relative;
    z-index: 10;
}
.banner {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    background-color: #d8d8d8;
}
.banner .swiper-container {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
}
.banner .swiper-container img {
    width: 100%;
    display: block;
}
.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.banner .swiper-container .swiper-pagination1 {
    bottom: 75px;
    width: initial;
    display: inline-block;
    left: 80%;
}
.swiper-pagination1 .swiper-pagination-bullet {
    background: #d5d5d5;
    height: 15px;
    width: 15px;
}
.swiper-pagination1 .swiper-pagination-bullet-active {
    background: #fff;
}
.redtitle {
    color: #000;
    font-size: 24px;
    padding-left: 16px;
    margin-bottom: 40px;
    border-left: 6px solid #ff2400;
}
.redtitle span {
    color: #cbcbcb;
    font-size: 14px;
    display: block;
    font-weight: normal;
}
.redtitle a {
    float: right;
    font-size: 18px;
    font-weight: normal;
    color: #cdcdcd;
    line-height: 55px;
}
#s1 .swiper-button-next,
#s1 .swiper-button-prev {
    width: 54px;
    height: 54px;
    background: url('../img/index/banner_l.png') no-repeat;
}
#s1 .swiper-button-next {
    background: url('../img/index/banner_r.png') no-repeat;
}
#s1 .swiper-button-prev:after,
#s1 .swiper-button-next:after {
    content: '';
}
#s1 .swiper-button-next {
    right: 50px;
}
#s1 .swiper-button-prev {
    left: 50px;
}

.news,
.ipro {
    width: 100%;
    background: #fff;
}
.newsbox {
    width: 1140px;
    margin: 0 auto;
    padding-top: 70px;
}
.news_banner img {
    width: 100%;
    display: block;
}
.news_banner .swiper-slide {
    float: left;
    width: 360px;
    margin-left: 30px;
    text-align: left;
    overflow: hidden;
}
.news_banner .swiper-slide a {
    color: #000;
    font-size: 14px;
    display: block;
    width: 100%;
}
.news_banner .swiper-slide b {
    font-size: 14px;
    line-height: 30px;
    display: block;
    padding-top: 5px;
    color: #c0c0c0;
    font-weight: normal;
    background: url('../img/index/arrow.png') no-repeat right center;
}
.news_banner .swiper-slide h3 {
    font-size: 16px;
    line-height: 24px;
    margin: 20px 0 10px;
    color: #4d4d4d;
    font-weight: normal;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 50px;
    width: 100%;
}
.news_banner .swiper-slide h4 {
    font-size: 14px;
    line-height: 24px;
    padding: 0;
    color: #dadada;
    margin: 0;
    font-weight: normal;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.news_banner .swiper-slide:nth-of-type(1),
.ipro_banner .swiper-slide:nth-of-type(1) {
    margin: 0;
}
.ipro_banner {
    height: 370px;
    overflow: hidden;
}
.swiper-container {
    margin-top: 0;
}
.swiper-wrapper {
}
.ipro_banner img {
    width: 270px;
    height: 160px;
    display: block;
}
.ipro_banner .swiper-slide {
    float: left;
    width: 270px;
    height: 300px;
    /* margin-left: 20px; */
    overflow: hidden;
    text-align: left;
}
.ipro_banner .swiper-slide a {
    color: #000;
    display: block;
    width: 100%;
}
.ipro_banner .swiper-slide b {
    font-size: 12px;
    line-height: 30px;
    display: block;
    padding-top: 5px;
    color: #c0c0c0;
    font-weight: normal;
}
.ipro_banner .swiper-slide h3 {
    font-size: 18px;
    line-height: 24px;
    margin: 20px 0 10px;
    color: #4d4d4d;
    font-weight: normal;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    width: 100%;
}
.ipro_banner .swiper-slide h4 {
    font-size: 14px;
    line-height: 24px;
    padding: 0;
    color: #dadada;
    margin: 0;
    font-weight: normal;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 50px;
    width: 100%;
}
#s3 .swiper-button-next,
#s3 .swiper-button-prev {
    top: 100%;
    width: 13px;
    height: 22px;
    background: url('../img/index/ipro_l.png') no-repeat center center;
}
#s3 .swiper-button-next {
    background: url('../img/index/ipro_r.png') no-repeat center center;
}
#s3 .swiper-button-prev:after,
#s3 .swiper-button-next:after {
    content: '';
}
#s3 .swiper-button-next {
    right: 50%;
    margin-right: -80px;
}
#s3 .swiper-button-prev {
    left: 50%;
    margin-left: -80px;
}

.partnerWrap {
    margin-top: 70px;
}
.partnerWrap .barWrap {
    background: #ff6600;
    height: 60px;
}
.partnerWrap .bar {
    width: 1140px;
    margin: 0 auto;
    overflow: hidden;
}
.partnerWrap .switch {
    margin-top: 9px;
    height: 42px;
    width: 42px;
    background: url('../img/index/partner.png') no-repeat right center;
    padding-left: 18px;
    border-left: 2px solid #fff;
    cursor: pointer;
}
.partnerWrap .switch.show {
    transform: rotateX(180deg);
}
.partnerWrap .partner {
    width: 1140px;
    margin: 0 auto;
    display: none;
}
.partnerWrap h3 {
    font-size: 36px;
    line-height: 1;
    margin: 90px 0 50px;
}
.partnerWrap img {
    height: 66px;
    margin-left: 1px;
}