/*优势*/

.demo1 {
    width: 100%;
    height: 434px;
    background: url("../images/b_bg.png") no-repeat center;
    position: relative;
    z-index: 9999;
    margin-top: -66px;
}

.demo1 ul {
    display: block;
    text-align: center;
    position: relative;
    top: -5px;
}

.demo1 ul li {
    width: 245px;
    display: inline-block;
    text-align: center;
    margin: 0 15px;
}

.demo1 ul li img {
    position: relative;
    left: -5px;
}

.demo1 ul li .txt1 {
    font-size: 24px;
    margin-top: 25px;
    color: white;
}

.demo1 ul li .txt2 {
    color: #D6E6CA;
    font-size: 16px;
    line-height: 28px;
    margin-top: 15px;
}

.demo1 ul li.list {
    position: relative;
    top: 30px;
}


/*product*/

.product {
    width: 100%;
    height: 1096px;
    background: url("../images/p_bg.jpg") no-repeat center;
    margin-top: -84px;
}

.product .box {
    width: 874px;
    height: auto;
    margin-top: 180px;
}

.product .box .title {
    width: 600px;
    float: right;
    clear: right;
}

.product .box .title h3 {
    font-size: 30px;
    line-height: 40px;
    color: black;
    margin-bottom: 5px;
}

.product .box .title .txt2 {
    text-align: right;
}

.product .box .title p {
    font-size: 17px;
    margin-top: 10px;
}

.product .box .product_nav {
    width: 100%;
    margin-top: 50px;
}

.product .box .product_nav li {
    width: 198px;
    height: 36px;
    background: url("../images/p1.png") no-repeat center;
    background-size: 100% 100%;
    float: left;
    margin-left: 27px;
    margin-bottom: 20px;
}

.product .box .product_nav li a {
    display: block;
    width: 100%;
    line-height: 36px;
    font-size: 18px;
    text-align: center;
}

.product .box .product_nav li:hover {
    background: url("../images/p2.png") no-repeat center;
}

.product .box .product_nav li:hover a {
    color: white;
}

.product .box .product_list {
    width: 874px;
    overflow: hidden;
    margin-top: 50px;
}

.product .box .product_list li {
    display: block;
    width: 262px;
    height: 409px;
    background: url("../images/p6.png") no-repeat top center;
    padding: 10px;
    float: left;
    margin-right: 14px;
}

.product .box .product_list li img {
    width: 100%;
    height: auto;
}

.product .box .product_list li .txt1 {
    font-size: 18px;
    line-height: 30px;
    margin: 10px 0;
    text-align: center;
}

.product .box .product_list li .txt2 {
    line-height: 27px;
    font-size: 16px;
}

.product .box .product_list li a.more {
    display: block;
    width: 77px;
    height: 27px;
    line-height: 27px;
    text-align: center;
    font-size: 16px;
    background: url("../images/p7.png");
    margin: 15px auto;
}

.product .box .product_list li:hover {
    background: url("../images/p5.png") no-repeat top center;
}

.product .box .product_list li:hover a.more {
    background: url("../images/p4.png");
    color: white;
}


/*news*/

.news {
    width: 100%;
    height: 1087px;
    background: url("../images/c4.png") no-repeat top center;
    margin-top: -77px;
    position: relative;
    z-index: 2;
}

.news .box {
    width: 733px;
    height: 550px;
    margin-top: 300px;
}

.news .box li {
    height: 140px;
    width: 100%;
    background: url("../images/c2.png") no-repeat bottom left;
    margin-bottom: 20px;
}

.news .box li .left {
    width: 595px;
}

.news .box li .left .txt1 {
    font-size: 18px;
    padding: 10px 0;
}

.news .box li .left .txt1 a {
    color: #F8FAF7;
}

.news .box li .left .txt2 {
    font-size: 16px;
    color: #DDE4D6;
    line-height: 28px;
}

.news .box li .right {
    font-size: 24px;
    text-align: center;
    width: 112px;
    height: 114px;
    background: url("../images/c1.png") no-repeat left;
}

.news .box li .right .txt3 {
    padding-top: 31px;
}

.news .box li .right .txt4 {
    margin-top: 5px;
    color: white;
}

.news .box .more {
    display: block;
    width: 268px;
    height: 50px;
    background: url("../images/c3.png") no-repeat center;
    float: right;
    margin-top: 80px;
}

.demo2 {
    width: 100%;
    height: 992px;
    background: url("../images/bg2.png") no-repeat center;
    margin-top: -82px;
}


/*about*/

.about {
    margin-top: 100px;
}

.about .about_title {
    text-align: center;
}

.about .about_title h2 {
    font-size: 28px;
    color: #5D5E5E;
}

.about .about_title p {
    font-size: 16px;
    width: 100%;
    height: 30px;
    line-height: 30px;
    background: url("../images/d1.png") no-repeat center;
    margin-top: 10px;
    letter-spacing: 1px;
}

.about .txt {
    margin-top: 25px;
}

.about .txt p {
    line-height: 28px;
    font-size: 16px;
}

.about a.more {
    display: block;
    width: 268px;
    height: 50px;
    background: url("../images/c3.png") no-repeat center;
    margin: 40px auto 0;
}


/*case*/

.case_list {
    width: 1201px;
    height: auto;
    margin-top: 60px;
    position: relative;
}

.case_list li {
    width: 283px;
    float: left;
    margin-right: 23px;
}

.case_list li img {
    display: block;
    width: 100%;
    height: 201px;
}

.case_list li p {
    text-align: center;
    font-size: 16px;
    margin-top: 5px;
}

.case_list .btn {
    width: 13px;
    height: 58px;
    position: absolute;
    top: 50%;
    margin-top: -29px;
    cursor: pointer;
}

.case_list .leftBotton {
    background: url("../images/left.png") no-repeat;
    left: -30px;
}

.case_list .rightBotton {
    background: url("../images/right.png") no-repeat;
    right: -30px;
}


/*message*/

.message {
    width: 100%;
    height: 833px;
    background: url("../images/bg3.png") no-repeat center top;
    margin-top: -116px;
}

.message .box {
    width: 498px;
    float: right;
    margin-top: 239px;
    height: 467px;
}

.message .box .txt1 {
    font-size: 16px;
    color: #F6FAF3;
    margin-bottom: 32px;
}

.message .box form .meg_txt {
    width: 300px;
    height: 42px;
    background: url("../images/a1.png") no-repeat;
    position: relative;
    margin-bottom: 27px;
}

.message .box form .meg_txt p {
    position: absolute;
    height: 20px;
    line-height: 20px;
    width: 100%;
    font-size: 14px;
    color: red;
    top: -23px;
    left: 0;
}

.message .box form .meg_txt input {
    width: 286px;
    height: 36px;
    border: 1px solid transparent;
    padding-left: 10px;
    font-size: 16px;
    font-family: 微软雅黑;
}

.message .box form .meg_txt1 {
    width: 456px;
    height: 180px;
    background: url("../images/a2.png") no-repeat;
    position: relative;
}

.message .box form .meg_txt1 p {
    position: absolute;
    height: 20px;
    line-height: 20px;
    width: 100%;
    font-size: 14px;
    color: red;
    top: -23px;
    left: 0;
}

.message .box form .meg_txt1 textarea {
    width: 440px;
    height: 176px;
    border: 1px solid transparent;
    line-height: 36px;
    padding-left: 10px;
    font-size: 16px;
    font-family: 微软雅黑;
}

.message .box form .btnt {
    width: 209px;
    height: 39px;
    line-height: 39px;
    color: white;
    letter-spacing: 10px;
    background: url("../images/a3.png") no-repeat;
    display: block;
    margin: 30px auto 0;
    font-size: 18px;
}