.section1{
    background: #278438;
    padding: 50px 0;
}
.w1200{
    width: 1200px;
    margin: 0 auto;
}
.section1_t{
    font-size: 35px;
    font-weight: bold;
    color: #fff;
    text-align: center;
}
.section1_p{
    color: #fff;
    text-align: center;
    padding: 20px 0 50px;
}
.section1_x{
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
}
.section1_x_l_t{
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 30px;
}
.section1_x_l_p{
    line-height: 25px;
}
.section1_x_r a{
    color: #fff;
    width: 150px;
    display: block;
    background: #6dd880;
    height: 35px;
    text-align: center;
    line-height: 35px;
    border-radius: 50px;
    border: 3px solid #fff;
    margin-left: 50px;
    margin-top: 47px;
}
.mySwiper2{
    margin-top: 60px;
}
.carousel-outer-wrap {
  position: relative;
  width: 100%;
  max-width: 1300px; 
  margin: 0 auto;
  box-sizing: border-box;
}

.carousel-inner-container {
  width: 1200px;
  height: auto;
  margin: 0 auto;
  box-sizing: border-box;
  overflow: hidden;
}

.mySwiper2 {
  width: 100%;
  height: auto;
}

.mySwiper2 .swiper-slide {
  width: calc(100% / 3 - 15px) !important; 
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

.mySwiper2 .swiper-slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.carousel-btn {
  position: absolute;
  top: 60%;
  transform: translateY(-50%);
  z-index: 100;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: block !important;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
}

.carousel-prev-btn {
  left: calc(50% - 670px); 
}

.carousel-next-btn {
  right: calc(50% - 670px);
}

.carousel-btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.swiper-button-prev:after, .swiper-button-next:after {
  display: none !important;
}
.video-container {
            width:100%;
            margin-top: 80px;
        }
        #autoPlayVideo {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain; 
            user-select: none;
}
.section2{
    padding: 50px 0;
}
.section2_t{
        font-size: 35px;
    font-weight: bold;
    color: #354f8f;
    text-align: center;
}
.section2_x{
    height: 3px;
    width: 100px;
    background: #259a3a;
    margin: 30px auto;
}
.section3{
background: #11307c;
    padding: 50px 0;
}
.section3_t {
    font-size: 35px;
    font-weight: bold;
    color: #fff;
    text-align: center;
}
.section3_x {
    height: 3px;
    width: 100px;
    background: #259a3a;
    margin: 30px auto;
}
.section3_p {
    color: #fff;
    text-align: center;
    padding: 20px 0 50px;
}
.section3_box li{
    float:left;
    width: 270px;
    margin-right: 30px;
    height: 230px;
    margin-bottom: 30px;
}
.clear{
    clear:both;
}
.section3_box li:nth-child(4n){
    margin-right: 0;
}
.section3_box li img{
    width: 100%;
    display: block;
}
.l2{
    background: #278438;
    color: #fff;
    padding: 10px;
    box-sizing: border-box;
    text-align: center;
}
.section3_box_l1{
    font-size: 45px;
    font-weight: bold;
    margin-top: 50px;
}
.section3_box_l2{
    line-height: 1.5;
}
.l2 span{
font-size: 20px;
}
sup {
            font-size: 0.7em; 
            line-height: 1;   
        }
.setion3_x2{
        margin: 30px auto;
    text-align: center;
    line-height: 1.5;
    color: #fff;
}
.setion3_a a{color: #fff;width: 150px;display: block;background: #6dd880;height: 35px;text-align: center;line-height: 35px;border-radius: 50px;border: 3px solid #fff;margin: 0 auto;}
.section2_box li{
float:left;
    width: 270px;
    margin-right: 30px;
    height: 230px;
    margin-bottom: 30px;
}
.section2_box li:nth-child(4n){
    margin-right: 0;
}
.section2_box_t{
    
text-align: center;
    
line-height: 1.5;
    
margin-top: 20px;
}