.swiper {
    width: 100%;
    min-width: 1200px;
    height: 650px;
    position: relative;
}
.swiper-img {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
}
.box1 {

}
.box1-img {
    display: block;
    margin: 0 auto;
    margin-top: 90px;
    margin-bottom: 50px;
}
.box1-p {
    text-align: center;
    font-size: 16px;
    font-family: 'SourceHanSansSC';
    font-weight: 400;
    color: #1A1A1A;
    line-height: 30px;
}
.box1-list {
    margin: 0 auto;
    margin-top: 50px;
    width: 1060px;
    display: flex;
    justify-content: space-between;
    text-align: center;
}
.box1-list-item {
    width: 300px;
    height: 360px;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    cursor: pointer;
}
.box1-list-item:nth-child(1) {
    background-image: url("../img/index/listbg1.png");
}
.box1-list-item:nth-child(2) {
    background-image: url("../img/index/listbg2.png");
}
.box1-list-item:nth-child(3) {
    background-image: url("../img/index/listbg3.png");
}
.box1-list-item-img {
    display: block;
    margin: 0 auto;
    margin-top: 75px;
}
.box1-list-item-p {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 70px;
    font-size: 40px;
    font-family: 'Source Han Sans CN';
    font-weight: 600;
    color: #FFFFFF;
}
.box1-button {
    width: 180px;
    height: 45px;
    margin: 0 auto;
    margin-top: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 2px solid #F39700;
    box-sizing: border-box;
    padding-right: 39px;
    padding-left: 36px;
    margin-bottom: 74px;
    cursor: pointer;
}
.box1-button-p {
    font-size: 14px;
    font-family: 'SourceHanSansSC';
    font-weight: bold;
    color: #1A1A1A;
}
.index-banner {
    margin-bottom: 100px;
    width: 100%;
    min-width: 1200px;
}
.box2 {
    width: 1200px;
    margin: 0 auto;
}
.box2-img {
    display: block;
    margin: 0 auto;
}
.box2-list {
    position: relative;
    height: 2000px;
}
.box2-list-img {
    position: absolute;
}
.box2-list-img1 {
    top: 15px;
    left: 0;
}
.box2-list-img2 {
    top: 595px;
    right: 0;
}
.box2-list-img3 {
    top: 1185px;
    left: 0;
}
.box2-list-font {
    position: absolute;
}
.box2-list-font1 {
    top: 248px;
    right: 64px;
}
.box2-list-font2 {
    top: 936px;
    left: 99px;
}
.box2-list-font3 {
    top: 1517px;
    right: 64px;
}
.box2-list-font .box2-list-font-p1 {
    width: 350px;
    height: 48px;
    font-size: 50px;
    font-family: 'Source Han Sans CN';
    font-weight: 600;
    color: #F39700;
    margin-bottom: 30px;
}
.box2-list-font .box2-list-font-p2 {
    width: 392px;
    height: 77px;
    font-size: 30px;
    font-family: 'SourceHanSansSC';
    font-weight: 400;
    color: #1A1A1A;
    line-height: 48px;
}
.box3 {
    height: 850px;
    background-image: url("../img/index/box3bg.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    overflow: hidden;
    position: relative;
}
.box3-img {
    margin: 0 auto;
    margin-top: 70px;
}
.swiper2 {
    margin: 0 auto;
    margin-top: 60px;
    height: 512px;
    width: 1100px;
}
.box3 .swiper-pagination.swiper-pagination-bullets.swiper-pagination-horizontal {
    bottom: 42px;
}
.box3 .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: #fff;
    opacity: 1;
}
.box3 .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: #F39700;
}
.box3 .box3-swiper{
    height: 100%;
    box-sizing: border-box;
    padding: 27px 30px;
    background-color: rgba(255, 255, 255, .95);
    display: flex;
    justify-content: flex-start;
}
.box3-swiper-leftimg {
    width: 554px;
    height: 458px;
    background-color: #000;
    margin-right: 60px;
}
.box3-swiper-right {
    width: 600px;
    height: 458px;
    position: relative;
}
.box3-swiper-right:before {
    display: block;
    content: '';
    clear: both;
    position: absolute;
    top: 20px;
    left: 0;
    width: 110px;
    height: 96px;
    background-image: url("../img/index/box3yinhao.png");
}
.box3-swiper-right:after {
    display: block;
    content: '';
    clear: both;
    position: absolute;
    bottom: 38px;
    right: 5px;
    width: 110px;
    height: 96px;
    background-image: url("../img/index/box3yinhao.png");
    transform: rotate(180deg);
}
.box3-swiper-right-p1 {
    font-size: 30px;
    font-family: 'Source Han Sans CN';
    font-weight: 600;
    color: #090909;
    margin-top: 75px;
    margin-bottom: 25px;
}
.box3-swiper-right-p2 {
    font-size: 16px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #4D4D4D;
    line-height: 30px;
}
.box3-button {
    width: 180px;
    height: 45px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 2px solid #F39700;
    box-sizing: border-box;
    padding-right: 39px;
    padding-left: 36px;
    cursor: pointer;
    position: absolute;
    bottom: 20px;
    left: 0;
}
.box4 {
    overflow: hidden;
}
.box4-img {
    margin: 0 auto;
    margin-top: 60px;
    margin-bottom: 70px;
}
.box4-list {
    width: 1200px;
    height: 400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.box4-list-item {
    width: 580px;
    height: 180px;
    box-sizing: border-box;
    padding: 20px 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}
.box4-list-item:hover {
    box-shadow: 0px 0px 10px 0px rgba(243, 151, 0, 0.2);
}
.box4-list-item-leftimg {
    width: 220px;
    height: 140px;
    background-color: #000;
    margin-right: 15px;
}
.box4-list-item-right {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}
.box4-list-item-right-p1 {
    font-size: 18px;
    font-family: 'Source Han Sans CN';
    font-weight: bold;
    color: #322D26;
    line-height: 24px;
}
.box4-list-item-right-line {
    width: 30px;
    height: 2px;
    background: #F39700;
}
.box4-list-item-right-p2 {
    font-size: 14px;
    font-family: 'Source Han Sans CN';
    font-weight: 400;
    color: #666666;
    line-height: 22px;
}