html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

.container {
    width: 100%;


}

.c_top {
    width: calc(100% - 40px);
    margin: 70px auto 0;
    display: flex;
}

.c_top_left {
    flex: 1;
}

    .c_top_left img {
        width: 18px;
    }

.top_title {
    font-size: 30px;
    color: #333333;
    line-height: 42px;
}

.top_label {
    font-size: 14px;
    font-weight: 400;
    color: #999999;
    line-height: 20px;
}

.c_top_right {
    width: 100px;
    margin-left: 34px;
}

    .c_top_right img {
        width: 100%;
    }

.list_nav {
    width: calc(100% - 40px);
    box-sizing: border-box;
    margin: 19px auto 0;
    display: flex;
    flex: 1;
    flex-direction: row;
    /* justify-content: space-between; */
}

    .list_nav a {
        height: 100%;
    }

        .list_nav a img {
            width: 100%;
        }

.nav_map {
    width: calc(100% - 40px);
    display: inherit;
    margin: 12px auto 0;
}

    .nav_map img {
        width: 100%;
    }

.list_site {
    width: calc(100% - 40px);
    margin: 12px auto 0;
    display: flex;
    justify-content: space-between;
}

    .list_site a {
        width: 160px;
    }

        .list_site a img {
            width: 100%;
        }