/* 头部 开始 */
.pr {
    position: relative;
}

.main-middle {
    width: 1464px;
    margin: 0 auto;
}

.header {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 99999;
}

.header_logo {
    width: 160px;
    position: absolute;
    top: 60px;
}

    .header_logo img {
        width: 100%;
    }

.header_nav {
    float: right;
    margin-top: 30px;
}

    .header_nav ul {
        display: flex;
        justify-content: center;
        align-content: center;
    }

        .header_nav ul li {
            margin-left: 50px;
            height: 50px;
            position: relative;
        }

            .header_nav ul li:hover > a::after {
                height: 3px;
            }

.top_active:after {
    height: 3px !important;
}

.header_nav ul li a {
    font-size: 14px;
    position: relative;
    color: #3d3d3d;
}

.header_nav ul li > a:after {
    content: "";
    width: 100%;
    height: 0px;
    position: absolute;
    bottom: -10px;
    left: 0;
    background-color: #e6d841;
}

.header_nav ul li:first-child > a:after {
    width: 3rem;
    left: -0.5rem;
}

.header_nav ul li .nav_submit {
    position: absolute;
    top: 50px;
    background-color: #fff;
    border: 1px solid #e2e2e2;
    width: auto;
    display: none;
    font-size: 0px;
    line-height: 0px;
}

    .header_nav ul li .nav_submit a {
        font-size: 12px;
        width: 100%;
        display: inline-block;
        white-space: nowrap;
        text-align: center;
        /* height: 26px; */
        line-height: 26px;
        padding: 4px 10px;
    }

        .header_nav ul li .nav_submit a:hover {
            background-color: #fbf8c9;
        }

.header_nav ul li:hover .nav_submit {
    display: block;
}
/* 头部 结束 */

/* 底部 开始 */

.footer {
    background-color: #000;
    overflow: hidden;
    padding-top: 50px;
}

    .footer .main-middle {
        overflow: hidden;
    }

.footer_left,
.footer_right {
    float: left;
}

.footer_left {
    width: 13%;
    padding-top: 10px;
}

    .footer_left img {
        width: 100px;
    }

.footer_right {
    width: 87%;
}

.footer_slogan {
    padding-bottom: 15px;
}

    .footer_slogan div {
        color: #dfdfdf;
        font-size: 16px;
        padding-bottom: 3px;
    }

    .footer_slogan p {
        font-size: 12px;
        height: 20px;
        line-height: 20px;
    }

.footer_about {
    margin-bottom: 10px;
    height: auto;
    position: relative;
}

    .footer_about > div {
        display: inline-block;
        vertical-align: top;
    }

.footer_wx {
    padding-right: 10px;
}

    .footer_wx img {
        width: 63px;
        display: block;
        image-rendering: -moz-crisp-edges;
        image-rendering: -o-crisp-edges;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        -ms-interpolation-mode: nearest-neighbor;
    }

.footer_me h2 {
    line-height: 28px;
}

.footer_me h2,
.footer_me p {
    color: #dfdfdf;
    font-weight: normal;
}

.footer_me p {
    font-size: 12px;
    line-height: 20px;
    height: 20px;
}

.footer_copyright {
    width: 100%;
    border-top: 1px solid #5a5454;
}

.footer_nav {
    position: absolute;
    bottom: 0;
    right: 0;
}

    .footer_nav ul {
        display: flex;
        justify-content: center;
        align-items: center;
    }

        .footer_nav ul li {
            margin-left: 25px;
        }

            .footer_nav ul li a {
                font-size: 12px;
                color: #dfdfdf;
            }

.footer_copyright,
.footer_copyright a {
    font-size: 12px;
    padding: 5px 0;
}

/* 底部 结束 */

/* 服务特色 开始 */
.feature_auto {
    width: 900px;
    margin: 0px auto;
    position: relative;
    overflow: hidden;
}

.feature {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 30px;
}

.f_title {
    position: relative;
    text-align: center;
    width: 100%;
    margin: 0 auto;
}

    .f_title .f_name {
        font-size: 24px;
    }

.feature ul {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-top: 20px;
}

    .feature ul li {
        width: 24%;
        height: 200px;
        visibility: visible;
        transition: all .4s;
        position: relative;
        text-align: center;
        margin: 0 10px
    }

        .feature ul li:before {
            content: "";
            width: 1px;
            height: 140px;
            position: absolute;
            right: 0;
            top: calc(50% - 70px);
            background-color: #e2e2e2;
        }

        .feature ul li:last-child::before {
            width: 0;
        }

        .feature ul li .feature_pic {
            width: 100px;
            height: 100px;
            border-radius: 5px;
            margin: 0 auto;
            transition: all 2s;
            animation-name: sideRight;
        }

        .feature ul li:first-child {
            animation-delay: 0.2s;
        }

        .feature ul li:nth-child(2) {
            animation-delay: 0.4s;
        }

        .feature ul li:nth-child(3) {
            animation-delay: 0.6s;
        }

        .feature ul li:nth-child(4) {
            animation-delay: 0.8s;
        }

        .feature ul li .feature_pic img {
            width: 100px;
            height: 100px;
        }

            .feature ul li .feature_pic img:last-child {
                display: none;
            }

        .feature ul li .feature_title {
            font-size: 16px;
            line-height: 26px;
        }

        .feature ul li p {
            font-size: 12px;
            color: #737373;
            line-height: 20px;
            padding: 0 18px;
        }

/* 服务特色 结束 */