main {
    margin: 0 auto;
    max-width: 1920px;
}
img {
    width: auto;
}
ul::after {
    display: none;
}
.flex {
    display: flex;
}
.flex-bw {
    justify-content: space-between;
}
.flex-ar {
    justify-content: space-around;
}
.flex-c {
    justify-content: center;
}
.flex-m {
    align-items: center;
}
.flex-wp {
    flex-wrap: wrap;
}

.robotbanner img {
    display: block;
}

.int {
    width: 100%;
    margin: 5rem auto;
    position: relative;
}
.int h2 {
    margin: 0 auto 3rem auto;
    text-align: center;
    font-size: 36px;
    font-weight: bold;
}
.int h2 span {
    display: inline-block;
    position: relative;
    margin: 0 auto;
}
.int h2 span::before {
    content: "";
    width: 51px;
    height: 27px;
    position: absolute;
    left: -80px;
    top: 10px;
    background: url(../images/robot/h2_left_ico.png) no-repeat 0 0;
}
.int h2 span::after {
    content: "";
    width: 51px;
    height: 27px;
    position: absolute;
    right: -80px;
    top: 10px;
    background: url(../images/robot/h2_right_ico.png) no-repeat 0 0;
}
.int p {
    font-size: 25px;
    color: #666;
    text-align: justify;
    text-indent: 2em;
}
.int-box {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
.robot-video {
    width: 738px;
}
.int1 {
    
}
.xfj {
    position: absolute;
    right: -180px;
    top: 30px;
}
.int1 p {
    padding: 2.5em 0 0 240px;
    width: 710px;
}
.int2 {

}
.int2 ul {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    width: 1200px;
    border-radius: 30px;
    box-shadow: 0 0 20px #ddd;
    box-sizing: border-box;
    padding: 2rem 5rem;
}
.int2 ul li {
    font-size: 30px;
    
    box-sizing: border-box;
    padding: 3rem 1rem 3rem 100px;
}
.int2 ul li:nth-child(1) {background: url(../images/robot/i1.png) no-repeat 0 50%;width: 55%;}
.int2 ul li:nth-child(2) {background: url(../images/robot/i2.png) no-repeat 0 50%;width: 45%;}
.int2 ul li:nth-child(3) {background: url(../images/robot/i3.png) no-repeat 0 50%;width: 55%;}
.int2 ul li:nth-child(4) {background: url(../images/robot/i4.png) no-repeat 0 50%;width: 45%;}
.int3 {
    padding: 5rem 0;
}
.int3>p {
    margin: 0 auto;
    width: 1200px;
    padding: 3rem 0;
}
.int3 ul {
    width: 960px;
    min-height: 246px;
    margin: 0 auto;
}
.int3 ul li {
    width: 200px;
    height: 246px;
    border-radius: 40px;
    box-shadow: 0 0 20px #eee;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    align-content: center;
}
.int3 ul li h3 {
    width: 100%;
    text-align: center;
    font-size: 50px;
    padding-bottom: 1.5rem;
}
.int3 ul li p {
    width: 100%;
    text-indent: 0;
    text-align: center;
}
.int3 ul li:nth-child(1) h3 {color: #7cb342;}
.int3 ul li:nth-child(2) h3 {color: #1e88e5;}
.int3 ul li:nth-child(3) h3 {color: #fb8c00;}
.int3 ul li:nth-child(4) h3 {color: #fdd835;}

.int4 {
    padding:0 0 5rem 0;
    position: relative;
}
.int4 ul {
    margin: 0 auto;
    width: 1100px;
    padding-top: 2rem;
    flex-wrap: wrap;
}
.int4 ul li {
    width: 510px;
    height: 362px;
    padding-top: 2rem;
}
.int4 ul li:nth-child(1) {background: url(../images/robot/p4.png) no-repeat 0 0;}
.int4 ul li:nth-child(2) {background: url(../images/robot/p5.png) no-repeat 0 0;}
.int4 ul li:nth-child(3) {background: url(../images/robot/p6.png) no-repeat 0 0;}
.int4 ul li:nth-child(4) {background: url(../images/robot/p7.png) no-repeat 0 0;}
.int4 ul li p {
    padding-top: 133px;
    width: 80%;
    margin: 0 auto;
    font-size: 20px;
    color: #333;
    text-indent: 0;
}
.int4 .spic {
    position: absolute;
}
#spic1 {
    left: 60px;
    top: 130px;
}
#spic2 {
    right: 60px;
    top: 330px;
}
#spic3 {
    left: 0;
    bottom: -140px;
    z-index: 2;
}
.int5 {
    padding-top: 5rem;
    min-height: 802px;
    background: url(../images/robot/b3.jpg) no-repeat 0 0;
}
.int6 h2 {
    margin-bottom: 3rem;
}
.int7 {
    padding-top: 2rem;
    padding-bottom: 1rem;
}
.int7 .lg-left {
    position: absolute;
    left: 50%;
    top: 150px;
    margin-left: -820px;
}
.int7 img {
    display: block;
    margin: 0 auto;
}
.int8 {
    margin-top: 0;
}
.int8 h2 {
    margin-bottom: 2rem;
}
.int8 ul {
    margin: 0 auto;
    min-height: 500px;
}
.int8 ul li {
    max-width: 1200px;
    height: 223px;
    overflow-x: auto;
    box-sizing: border-box;
    padding-left: 290px;
    border-radius: 30px;
    box-shadow: 0 0 50px #ccc;
    margin: 2rem auto 0 auto;
}
.int8 ul li:nth-child(1) {
    background: url(../images/robot/p12.jpg) no-repeat 0 0;
}
.int8 ul li:nth-child(2) {
    background: url(../images/robot/p13.jpg) no-repeat 0 0;
}
.int8 ul li h3 {
    display: inline-block;
    font-size: 30px;
    color: #fff;
    background: #f7b90e;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    margin: 2rem 0 1.5rem 0;
}
.int8 ul li p {
    font-size: 24px;
    padding-right: 3rem;
    text-indent: 0;
    color: #000;
    line-height: 1.5em;
}
.int9 {
    text-align: center;
    padding-top: 2rem;
}
.int9 img {
    display: block;
    margin: 2rem auto 0 auto;
}

.hbfj-ppt {
    width: 1200px;
    margin: 5rem auto;
    margin-bottom: 10rem;
    position: relative;
}
.swiper1 {
    padding-bottom: 3rem;
}
.swiper1 .swiper-slide {
    text-align: center;
    overflow-y: auto;
}
.swiper1 .swiper-slide span {
    display: block;
    padding: 1rem;
}
.swiper1 .swiper-slide img {
    display: block;
    width: 100%;
    margin: 0 auto;
    border: 1px solid #b9b9b9;
    border-radius: 10px;
    box-shadow: 0 0 20px #ddd;
}
.swiper1prev {
    margin-left: -7rem;
    color: #ffb300;
    width: 60px;
    height: 60px;
    background:#fff url(../images/ydg/chevron-left.svg) no-repeat 50% 50%;
    border-radius: 50%;
}
.swiper1next {
    margin-right: -7rem;
    color: #ffb300;
    width: 60px;
    height: 60px;
    background:#fff url(../images/ydg/chevron-right.svg) no-repeat 50% 50%;
    border-radius: 50%;
}
.swiper1 .swiper-pagination {
    bottom: 0;
}
.swiper1 .swiper-pagination-bullet {
    width: 19px;
    height: 19px;
    border: 2px solid #66b822;
    box-sizing: border-box;
    background: #fff;
    opacity: 1;
}
.swiper1 .swiper-pagination-bullet-active {
    background: #66b822;
}