body{
    overflow: hidden;
}




/* main */
.main {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.list_box {
    position: absolute;
    width: 100%;
}

.main_box {
    width: 100%;
    overflow: hidden;
}

.main_box_1, .main_box_2, .main_box_3 {
    cursor: pointer;
}

.main_box img {
    width: 100%;
}

.case2_img {
    text-align: center;
}

.main_box .case2_img img {
    width: 88%;
}

.main_box .line_img {
    width: auto;
}

.main_box0 {
    text-align: center;
    padding-top: 76px;
}

.main_box0 h2 {
    font-size: 30px;
    margin: 50px 0 10px;
    margin: 15px 0 10px\0;
}

.main_box0 img {
    width: auto;
}

ol.indicators {
    position: fixed;
    right: 20px;
    top: 100px;
    z-index: 10;
}

.indicators li {
    width: 40px;
    height: 40px;
}

.indicators img {
    width: 100%;
}

.main_box_1, .main_box_2, .main_box_3 {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.main_box_1 {
    background-image: url('../images/home/sybanner1.jpg');
}

.main_box_2 {
    background-image: url('../images/home/sybanner2.jpg');
}

.main_box_3 {
    background-image: url('../images/home/sybanner3.jpg');
}

.case2_box {
    display: inline-block;
    width: 25%;
    text-align: center;
    position: relative;
    margin-top: 15px;
}






/* foot */

.foot .container {
    width: 75%;
    min-width: 1140px;
}

.foot  img {
    width: auto;
}

.foot {
    position: absolute;
    bottom: 0;
}

.img_list {
    font-size: 0; 
    margin-top: 30px;
}















/* 移动端 */


/* 移动端 */
@media screen and (max-width: 768px) {

    .main_box0 h2 {
        margin: 10px 0 10px;
    }

    .foot .container {
        width: 100%;
    }

    .foot {
        position: relative;
        bottom: auto;
        margin-top: 20px;
    }

    .main_box {
        overflow: auto;
        background-position: 0px 20px;
    }

    ol.indicators {
        right: 5px;
        top: 60px;
    }

    .indicators li {
        width: 25px;
        height: 25px;
    }

    .case2_box {
        width: 100%;
    }

    .img_list {
        margin-top: 0px;
    }

    .main_box_1 {
        background-image: url(../images/home/sybanner1_0.jpg);
    }

    
    .main_box_2 {
        background-image: url(../images/home/sybanner2_0.jpg);
    }

    
    .main_box_3 {
        background-image: url(../images/home/sybanner3_0.jpg);
    }
}

@media screen and (max-height: 840px) {
    .img_list {
        margin-top: 20px;
    }
}

@media screen and (max-height: 810px) {
    .img_list {
        margin-top: 10px;
    }
}

@media screen and (max-height: 780px) {
    .img_list {
        margin-top: 0px;
    }
}