#body-content {
    width: 1920px;
    background-color: #fff;
}

.fanhui {
    display: block;
    width: 70px;
    height: 70px;
    position: absolute;
    bottom: 0;
    right: 12px;
    border-radius: 10px;
    text-align: center;
    padding: 10px 0 0 2px;
    color: #000000;
    background-color: #fff;
}

#banner {
    width: 1920px;
    height: 378px;
    background: url("../image/banner_1.jpg") no-repeat center;
}

.adv {
    width: 100%;
    height: 483px;
    background: #f2f2f2;
    overflow: hidden;
}

.adv .img {
    width: 749px;
    height: 520px;
    margin-top: -18px;
}

.adv .info {
    text-align: right;
    margin-top: 93px;
    font-size: 20px;
    font-weight: 400;
    color: #535353;
    line-height: 42px;
}

.adv .info .title {
    width: 199px;
    height: 47px;
    background: url("../image/title1.png") no-repeat center;
    background-size: contain;
    display: inline-block;
    margin-bottom: 25px;
}

#main {
    margin-top: 35px;
    position: relative;
    padding-bottom: 100px;
    min-height: 800px;
}

#main ul {
    background-color: #fff;
    overflow: hidden;
    padding: 0 20px;
    width: 990px;
}

#main ul li {
    width: 305px;
    height: 346px;
    text-align: center;
    float: left;
    margin-top: 34px;
    margin-right: 16px;
    padding: 10px;
    box-sizing: border-box;
    background: #f2f2f2;
    border-radius: 5px;
}

#main ul li:nth-child(3n) {
    margin-right: 0;
}

#main ul li > div {
    height: 280px;
    overflow: hidden;
}

#main ul li > div img {
    width: 100%;
}

#main ul li p {
    line-height: 40px;
    color: #434343;
    font-size: 18px;
}

#main .pronav {
    position: absolute;
    right: 0;
    top: 0;
    height: 732px;
    width: 195px;
}

#main .pronav .pronav2 {
    width: 195px;
    height: 732px;
    z-index: 1;
    background: url("../image/nav-1.png") no-repeat center;
    padding-top: 114px;
}

#main .pronav .pronav2 > img {
    width: 100%;
}

#main .pronav .pronav2 > a {
    display: block;
    text-align: center;
    height: 25px;
    cursor: pointer;
    color: #fff;
    font-size: 18px;
    margin-top: 26px;
}

#main .pronav .pronav2 .spanyel {
    width: 100px;
    height: 25px;
    color: #539753;
    background: linear-gradient(to right, #ffefa7, #fdd13c);
    margin: 25px auto 0;
    border-radius: 20px;
}

#main .pronav .pronav3 {
    left: 65px;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    top: 667px;
    z-index: 4;
    cursor: pointer;
}

#main .pronav2s {
    position: fixed;
    right: 361px;
    top: 595px;
}

#main .pronav3 {
    right: 361px;
    top: 500px;
    transition: all 2s;
}