.banner {
    margin: 0 auto;
    width: 1920px;
    left: 50%;
    margin-left: -960px;
    overflow: hidden;
    position: relative;
}

.banner .reuse1 {
    font-size: 40px;
    color: #fff;
    position: absolute;
    top: 100px;
    left: 0;
    right: 0;
    margin: auto;
    z-index: 9999;
    text-align: center;
    padding-bottom: 20px;
    background: url("../images/h2bj.png") no-repeat center bottom;
}

.logo {
    width: 35%;
    margin-top: 10px;
}

.logo img {
    max-width: 100%;
}

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

.large_box li {
    display: none;
}

.large_box li:first-child {
    display: block;
}

.large_box img {
    display: block;
    width: 100%;
    height: auto;
}

.small_box {
    width: 1427px;
    height: 325px;
    margin: 0 auto;
    position: relative;
    z-index: 9999;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 200px;
}

.small_list {
    position: relative;
    width: 1255px;
    height: 325px;
    overflow: hidden;
    margin: 0 auto;
}

.small_list ul {
    height: 325px;
    overflow: hidden;
}

.small_list ul li {
    position: relative;
    float: left;
    margin-right: 22px;
    margin-left: 22px;
    width: 203px;
    height: 203px;
    cursor: pointer;
    border-radius: 50%;
}

.small_list ul li img {
    display: block;
    width: 203px;
    height: 203px;
    position: relative;
    border-radius: 50%;
}

.small_list ul li h3 a {
    font-size: 18px;
    font-weight: normal;
    color: #fff;
    text-align: center;
    line-height: 40px;
    padding-top: 16px;
    display: block;
    text-decoration: none;
}

.small_list ul li .bun_bg {
    background: rgba(0, 0, 0, 0.5);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transition: all 0.3s;
    border-radius: 50%;
}

.small_list ul li:hover h3 {
    text-decoration: none;
}

.small_list ul li.on .bun_bg {
    opacity: 0;
}

.small_list ul li.on h3 {
    text-decoration: underline;
    color: #fee640;
}

.btn {
    display: block;
    width: 20px;
    height: 73px;
    background-repeat: no-repeat;
    background-position: center center;
    cursor: pointer;
    margin-top: 54px;
    position: absolute;
}

.left_btn {
    left: 30px;
    top: 37px;
    margin-right: 10px;
    background-image: url("../images/left_btn.png");
    margin-left: 5px;
    opacity: 0.6;
}

.left_btn:hover {
    opacity: 1;
}

.right_btn {
    right: 30px;
    top: 37px;
    background-image: url("../images/right_btn.png");
    margin-right: 5px;
    opacity: 0.6;
}

.right_btn:hover {
    opacity: 1;
}

.btn1 {
    display: block;
    width: 80px;
    height: 80px;
    background-repeat: no-repeat;
    background-position: center center;
    cursor: pointer;
    margin-top: 0px;
    position: absolute;
}




@media (max-width: 750px){
	.banner{width: 100%;margin-left: 0;left: 0}
	.small_box{width: 100%}
	.small_list{width: 100%;height: auto}
	.small_box {
		padding: 30px 0;
    width: 100%;
    height: auto;
    margin: 0 auto;
    position: inherit;
    z-index: 9999;
    position: inherit;
    left: inherit;
    right: inherit;
    bottom: inherit;
}
	.small_list ul li{width: 29.3333%;height: auto;margin: 0 2%}
	.small_list ul li img{width: 100%;height: auto;border: 1px solid #eee}
	.small_list ul li .bun_bg{background: none;height: auto}
	.small_list ul li h3 a{color: #333}
	.small_list ul{height: auto}
	.reuse3{font-size: 33px;padding-top: 100px;margin: 0 3%;font-weight: bold}	
	.slogan-box p{font-size: 18px;}
	.slogan-box a {
    width: 210px;
    height: 50px;
    line-height: 50px;
    font-size: 17px;
}
	.news-box{width: 94%;padding: 50px 3%}
	.roll_col li a{line-height: 25px;overflow: hidden;text-overflow: ellipsis;-webkit-line-clamp: 2;display: -webkit-box;-webkit-box-orient: vertical}
	.roll_col li p{overflow: hidden;text-overflow: ellipsis;-webkit-line-clamp: 2;display: -webkit-box;-webkit-box-orient: vertical}
}