.useMb {
    display: none;
}
.mainIntro {
    font-size: 20px;
    color: #666666;
}
.mainIntro .blue-font {
    color: #8ad8dd;
    font-weight: normal;
}
.mainIntro .banner {
    position: relative;
	    padding: 0;
}
.mainIntro .banner img {
    width: 100%;
}
.mainIntro .banner .titles {
    color: #fff;
    position: absolute;
    top: 20%;
    left: 15%;
    font-size: 5rem;
}
.mainIntro .banner .titles .en {
    font-size: 3.6rem;
}

/* s2 */
.mainIntro .s2 {
    background-image: url(/template/default/picture/mainIntroImg/s2Bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}
.mainIntro .s2 .prewrod {
    background-color: #fff;
    width: 100%;
    box-shadow: 0px 2px 32px 0px rgba(0, 0, 0, 0.15);
    border-radius: 20px;
    padding: 35px 45px;
    text-align: justify;
    margin-top: -30px;
    position: relative;
    z-index: 10;
    font-size: 21px;
    line-height: 35px;
}
.mainIntro .s2 h3 {
    margin: 120px 0;
    text-align: center;
    font-size: 30px;
    color: #5b5b5b;
    font-weight: 900;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mainIntro .s2 h3::before {
    position: absolute;
    content: " ";
    width: 0;
    height: 0;
    left:16%;
    border-style: solid;
    border-width: 10px 0 10px 17.3px;
    border-color: transparent transparent transparent #8ad8dd;
}

.mainIntro .s2 h3::after {
    position: absolute;
    content: " ";
    width: 0;
    height: 0;
    right: 16%;
    border-style: solid;
    border-width: 10px 17.3px 10px 0;
    border-color: transparent #8ad8dd transparent transparent;
}
.mainIntro .s2 .Textimg {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mainIntro .s2 .Textimg .Text p {
    display: flex;
    align-items: center;
    justify-content: start;
    margin-bottom: 45px;
    font-size: 26px;
}
.mainIntro .s2 .Textimg .Text .point {
    color: #fff;
    background-color: #8ad8dd;
    border-radius: 100%;
    font-size: 42px;
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

/* s3 */
.mainIntro .s3 {
    margin-top: 150px;
}
.mainIntro .s3 .item1,
.mainIntro .s3 .item3 {
    box-shadow: 0px 2px 32px 0px rgba(0, 0, 0, 0.15);
    border-radius: 35px;
    margin-bottom: 150px;
    width: 80%;
    margin-left: auto;
    margin-right: 0;
    padding-left: 30%;
    padding-bottom: 15px;
    position: relative;
}
 .mainIntro .s3 .item .imgslider img{
	width:100%;
 }
.mainIntro .s3 .item1 .imgslider,
.mainIntro .s3 .item3 .imgslider {
    position: absolute;
    left: -30%;
    top: -8%;
    width: 68%;
}
.mainIntro .s3 .item1 h4,
.mainIntro .s3 .item3 h4 {
    color: #fff;
    background-color: #1b407a;
    font-size: 45px;
    text-align: center;
    padding: 15px;
    border-radius: 0px 35px 0px 0px;
    font-weight: 600;
}
.mainIntro .s3 .item3 h4 {
    background-color: #00a4cf;
}
.mainIntro .s3 .item1 .des,
.mainIntro .s3 .item3 .des {
    padding: 30px 35px;
    text-align: justify;
}

.mainIntro .s3 .item2 {
    box-shadow: 0px 2px 32px 0px rgba(0, 0, 0, 0.15);
    border-radius: 35px;
    margin-bottom: 150px;
    width: 80%;
    margin-right: auto;
    margin-left: 0;
    padding-right: 30%;
    padding-bottom: 15px;
    position: relative;
}
.mainIntro .s3 .item2 h4 {
    color: #fff;
    background-color: #4570b6;
    font-size: 45px;
    text-align: center;
    padding: 15px;
    border-radius: 35px 0px 0px 0px;
    font-weight: 600;
}
.mainIntro .s3 .item2 .des {
    padding: 30px 35px;
    text-align: justify;
}
.mainIntro .s3 .item2 .imgslider{
    position: absolute;
    right: -30%;
    top: -8%;
    width: 68%;
}
/* s4 */
.mainIntro .s4 {
    background-image: url(/template/default/picture/mainIntroImg/s4bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 150px;
    padding-bottom: 280px;
}

.mainIntro .s4 ul li {
    background-color: #ffffff;
    box-shadow: 0px 2px 32px 0px rgba(0, 0, 0, 0.3);
    border-radius: 0px 30px 30px 0px;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: start;
    padding: 50px 0px 50px 60px;
    position: relative;
}
.mainIntro .s4 ul li::before {
    position: absolute;
    content: " ";
    width: 20px;
    height: 100%;
    background-color: #1b407a;
    left: 0;
    top: 0;
}
.mainIntro .s4 ul li:nth-child(2)::before {
    background-color: #4570b6;
}
.mainIntro .s4 ul li:nth-child(3)::before {
    background-color: #34b7d9;
}
.mainIntro .s4 ul li .logimg {
    width: 38%;
}
.mainIntro .s4 ul li .logimg img {
    height: 110px;
}
.mainIntro .s4 ul li .socail {
    display: flex;
    flex-flow: column;
    align-items: start;
    justify-content: start;
}
.mainIntro .s4 ul li .socail a img {
    margin-right: 15px;
}
.mainIntro .s4 ul li .socail a {
    color: #666666;
    text-decoration: none;
    font-size: 19px;
    margin-bottom: 20px;
}
.mainIntro .s4 .othersocail {
    display: flex;
    width: 90%;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    margin-top: 100px;
}
.mainIntro .s4 .othersocail a {
    text-decoration: none;
    color: #fff;
}
.mainIntro .s4 .othersocail a img {
    margin-right: 15px;
}

/* mb */
@media (max-width: 768px) {
	.mb_none{display:none;}
    .mainIntro {
        font-size: 18px;
    }
    .useMb {
        display: block;
    }
    .mainIntro .banner .titles {
        font-size: 2rem;
        top: 15%;
        left: 10%;
    }
    .mainIntro .banner .titles .en {
        font-size: 1.5rem;
    }
    .mainIntro .s2 .prewrod {
        font-size: 18px;
        line-height: 30px;
        padding: 20px;
        margin-top: -15px;
    }
    .mainIntro .s2 h3 {
        display: block;
        font-size: 1.8rem;
        margin: 50px 0;
    }
    .mainIntro .s2 h3::before,
    .mainIntro .s2 h3::after {
        display: none;
    }

    .mainIntro .s2 .Textimg {
        flex-flow: column;
    }
    .mainIntro .s2 .Textimg .Text p {
        font-size: 18px;
        margin-bottom: 22px;
    }
    .mainIntro .s2 .Textimg .Text .point {
        font-size: 30px;
        min-width: 50px !important;
        width: 50px !important;
        height: 50px;
    }
    .mainIntro .s2 .Textimg img {
        width: 90vw;
        margin: 0 auto;
    }
    .mainIntro .s3 {
        margin-top: 80px;
    }
    .mainIntro .s3 .item {
        width: 90vw;
        padding: 0;
        margin: 0 auto;
        padding-bottom: 15px;
        margin-bottom: 30px;
        border-radius: 20px;
    }

    .mainIntro .s3 .item .imgslider {
        position: unset;
        order: 2;
        width: 95%;
    }

    .mainIntro .s3 .desImg {
        display: flex;
        flex-flow: column;
        align-items: center;
        justify-content: center;
    }

    .mainIntro .s3 .item .des {
        padding: 15px;
        padding-bottom: 30px;
    }
    .mainIntro .s3 .item h4 {
        font-size: 30px;
        border-radius: 20px 20px 0px 0px;
    }
    .mainIntro .s4 ul li {
        flex-flow: column;
        align-items: flex-start;
        padding: 25px 0px 25px 40px;
        border-radius: 0px 20px 20px 0px;
    }
    .mainIntro .s4 ul li .logimg img {
        height: 75px;
        margin-bottom: 30px;
    }
    .mainIntro .s4 ul li .socail a img {
        width: 30px;
    }
    .mainIntro .s4 ul li .socail a {
        font-size: 16px;
    }

    .mainIntro .s4 .othersocail {
        flex-flow: column;
        align-items: start;
        margin-top: 60px;
    }
    .mainIntro .s4 .othersocail a {
        font-size: 14px;
        margin-bottom: 16px;
    }
	.mainIntro .swiper-pagination-bullet{
		margin:0 4px!important;
	}
	.mainIntro .swiper-container-horizontal>.swiper-pagination-bullets,.mainIntro .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 15px;
}
}



/* pc */
@media (min-width: 768px) {
	.pc_none{display:none;}
	.mainIntro .s2 .Textimg .Text p {
   
    white-space: nowrap;
}

.mainIntro .hover_show:hover .hover_hide {
    display: block;
    width: 250px;
}
.mainIntro .hover_hide{
	left:0;
}
}

.swiper-slide {
    
    border-radius: 30px;
}
    .mainIntro .swiper-pagination-bullet-active {
    background: #1b407a;
}