.hsfjx {
    width: 100%;
    height: 5px;
    background-color: black;
}

.nav {
    width: 1200px;
    height: 120px;
    /* background-color: antiquewhite; */
    margin: 0 auto;
}

.logo {
    float: left;
    margin-top: 20px;
    width: 100px;
    height: 100px;
    background-color: aqua;
}

.logo img {
    width: 100%;
    height: 100%;
}

.title {
    float: left;
    margin-top: 30px;
    margin-left: 180px;
}

.search {
    float: right;
    width: 500px;
    height: 120px;
    /* background-color: aquamarine; */
}

.search .on {
    float: right;
    width: 250px;
    height: 80px;
    /* background-color: antiquewhite; */
}

.search .under {
    float: left;
    height: 40px;
    width: 500px;
    /* background-color: aqua; */
}

.search ul li {
    list-style: none;
    float: left;
    margin: 0 10px;
}

.search ul li:hover {
    color: rgb(122, 159, 196);
}

/* banner图 */
.banner {
    margin-top: 20px;
    width: 1800px;
    height: 420px;
    margin: 0 auto;
}

.banner img {
    width: 1800px;
    height: 420px;
}

.fjxa {
    width: 1200px;
    height: 75px;
    margin: 0 auto;
}

.fjxb,
.fjxc {
    float: left;
    width: 1200px;
    height: 75px;
    /* margin: 0 auto; */
}

.fjxa img,
.fjxb img,
.fjxc img {
    width: 1200px;
    height: 75px;
}

/* 主体 */
.main {
    width: 1200px;
    height: 750px;
    /* background-color: antiquewhite; */
    margin: 0 auto;
}

.left {
    float: left;
    width: 190px;
    height: 350px;
    margin-right: 30px;
    margin-left: 20px;
    /* background-color: aqua */
}

.center {
    float: left;
    width: 580px;
    height: 350px;
    margin-right: 50px;
    background-color: rgb(249, 249, 249);
}

.right {
    float: left;
    width: 320px;
    height: 350px;
    color: gray;
    /* background-color: pink; */
}

.a {
    height: 35px;
    /* background-color: rgb(255, 147, 5); */
}

.left .b {
    color: gray;
}

.center .b {
    width: 550px;
    height: 100px;
    padding-left: 30px;
    /* background-color: antiquewhite; */

}

.tp {
    width: 230px;
    height: 150px;
    background-color: pink;
    float: left;
}

.tp img {
    width: 230px;
    height: 150px;
}

.nr {
    width: 100%;
    height: 35px;
    margin-left: 10px;
    float: left;
}

.center .c {
    width: 550px;
    height: 150px;
    /* background-color: aqua; */

}

.center .c ul li {
    list-style: none;

}

.center .c ul li img {
    float: left;
    margin-right: 20px;

}

.center .c ul li a {
    height: 25px;
    display: block;
    text-decoration: none;
    color: gray;
    margin: 10px 0;
    border-bottom: 1px solid gray;
    /* margin-left: 20px; */
}

.center .c ul li a:hover {
    color: rgb(74, 167, 211);
}

.right .b {
    width: 320px;
    height: 150px;
}

.right .b img {
    width: 320px;
    height: 150px;
}



/* 推荐产品 */
.bottom {
    float: left;
    width: 1200px;
    height: 235px;
    /* background-color: pink; */
}

.bottom .a {
    width: 1200px;
    height: 20px;
    margin-left: 70px;
    margin-top: 6px;
}

.bottom .b {
    width: 1200px;
    height: 200px;
    /* background-color: azure; */
}

.bottom .b ul li {
    float: left;
    width: 215px;
    height: 190px;
    list-style: none;
    margin: 0 30px;
}

.bottom .one {
    background-image: url(../images/b.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
}

.bottom .two {
    background-image: url(../images/c.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
}

.bottom .three {
    background-image: url(../images/d.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
}

.bottom .four {
    background-image: url(../images/a.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
}

.touming {
    margin-top: 80px;
    width: 215px;
    height: 110px;
    background-color: #0000007a;
    color: white;
    text-align: center;
}

/* 页尾 */
footer {
    width: 100%;
    height: 150px;
    background-color: rgb(80, 80, 80);


}

.zhongjian {
    width: 1200px;
    height: 150px;
    margin: 0 auto;
}

footer .zuobian {
    float: left;
    width: 800px;
    height: 150px;
    /* background-color: rgb(80, 166, 242); */
    color: white;
    margin-left: 25px;
}

footer .youbian {
    float: left;
    width: 350px;
    height: 50px;
    /* background-color: aquamarine; */
    margin-top: 10px;
}

footer .youbian .fx {
    float: left;
    width: 80px;
    height: 50px;
    line-height: 50px;
    color: white;

}

footer .youbian .wz {
    float: left;
    width: 220px;
    height: 50px;
}