.product {
    width: 100%;
    height: 830px;
    background: url("../images/p2.png") no-repeat center;
    margin-top: -20px;
    position: relative;
    z-index: 10000;
}

.product .nav {
    text-align: center;
    margin-top: 220px;
}

.product .nav p {
    display: inline-block;
    height: 50px;
    vertical-align: top;
    margin: 0 10px;
}

.product .nav p a {
    display: block;
    height: 40px;
    line-height: 40px;
    padding: 0 24px;
    font-size: 18px;
    color: white;
    /*  background: url("../images/d2.png") no-repeat; */
    background-size: 100% 40px;
}

.product .nav p.hover {
    background: url("../images/d1.png") no-repeat bottom center;
}

.product .nav p.hover a {
    background: #E32B31;
}

.product .box {
    height: 482px;
    background: #F5F4F4;
    margin-top: 40px;
}

.product .box li {
    width: 1200px;
    display: none;
}


/* 
.product .box .left {
    width: 510px;
    padding: 35px 43px 0;
}

.product .box .left h2 {
    font-size: 29px;
    color: #2C89DD;
    line-height: 35px;
}

.product .box .left p.txt1 {
    font-size: 23px;
    letter-spacing: 1px;
    height: 43px;
    border-bottom: 2px solid #B7B5B7;
    line-height: 30px;
    color: #B1B1B1;
}

.product .box .left .box1 {
    padding: 30px 0 0 30px;
    font-size: 16px;
    line-height: 28px;
    color: #26272B;
}

.product .box .left .box1 p {
    line-height: 28px;
}

.product .box .right {
    width: 604px;
}

.product .box .right img {
    width: 604px;
    height: 382px;
    display: block;
} */

.product .box li a {
    display: block;
    width: 598px;
    height: 480px;
    border: 1px solid #9E9C9E;
    /* float: left; */
    text-align: center
}

.product .box li a img {
    max-width: 598px;
    height: 480px;
}

.demo1 {
    width: 100%;
    height: 428px;
    background: url("../images/p7.jpg") no-repeat center;
    margin-top: 15px;
}

.product_list {
    overflow: hidden;
    padding-top: 100px;
}

.product_list ul li {
    width: 294px;
    float: left;
    margin-right: 8px;
}

.product_list ul li .pic {
    display: block;
    width: 294px;
    height: 242px;
    overflow: hidden;
    margin-bottom: 10px;
    background: #fff;
    text-align: center;
}
.product_list ul li .pic img{ max-width: 294px;height: 242px;}
.product_list ul li .pic img:hover {
    transition: 0.4s;
    transform: scale(1.2);
}

.product_list ul li p {
    line-height: 26px;
    text-align: center;
    font-size: 16px;
}

.product_list ul li p a {
    color: white;
}

.demo2 {
    padding: 75px 0;
    text-align: center;
    background: #E1E1E1;
}

.demo3 {
    width: 100%;
    height: 643px;
    position: relative;
    background: url("../images/i6.png") no-repeat center;
    margin-top: -91px;
    z-index: 8;
}

.demo4 {
    width: 100%;
    margin-top: 60px;
	position:relative;
	z-index:1000;
}

.demo4 .tit {
    display: block;
    margin: 0 auto;
}

.demo4_list {
    overflow: hidden;
    margin-top: 30px;
}

.demo4_list ul li {
    width: 292px;
    height: 202px;
    float: left;
    margin-right: 8px;
    text-align: center;
    border: 1px solid #C0C0C1;
}

.demo4_list ul li img {
    max-width: 292px;
    height: 202px;
}

.demo4_list ul li .txt1 {
    font-weight: 600;
    font-size: 20px;
    color: black;
    margin-top: 15px;
}

.demo4_list ul li .txt2 {
    font-size: 18px;
    margin-top: 5px;
}


/* about */

.about {
    width: 100%;
    height: 684px;
    background: url("../images/a3.png") no-repeat center bottom;
    margin-top: -136px;
    position: relative;
    z-index: 8;
}

.about .txt {
    width: 1150px;
    margin: 370px auto 0;
    color: white;
    font-size: 16px;
}

.about .txt p {
    line-height: 28px;
}

.about .more {
    display: block;
    width: 148px;
    height: 48px;
    border: 1px solid white;
    border-radius: 5px;
    margin: 40px auto 0;
    text-align: center;
    line-height: 48px;
    color: white;
    font-size: 20px;
}

.news {
    padding: 60px 0;
    background: #EEEEEE;
}

.news .tit {
    display: block;
    margin: 0 auto;
}

.news ul li {
    margin-top: 58px;
    float: left;
    width: 550px;
}

.news ul li .txt1 {
    font-size: 20px;
    padding-left: 40px;
    line-height: 30px;
    height: 30px;
    background: url("../images/n2.png") no-repeat left center;
}

.news ul li .txt1 a {
    color: #232323;
}

.news ul li .txt1 span {
    color: #232323;
}

.news ul li .txt2 {
    font-size: 16px;
    padding-left: 40px;
    margin-top: 5px;
    line-height: 25px;
}

.news ul li:nth-child(even) {
    float: right;
}