.container {
    width: 80%;
    margin: 0 auto;
}

/* 头部 - 开始 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    display: flex;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0);
}

.bian {
    background-color: rgba(255, 255, 255, 1);
}

    .bian .header_fr ul li {
        color: #999;
        border-right: 1px solid #999;
    }

    .bian .header_nav_n ul a {
        color: #999;
    }

.header .header_top {
    display: flex;
    width: 100%;
    height: 70px;
    justify-content: flex-end;
}

.header .header_nav .header_logo {
    z-index: 2;
}

    .header .header_nav .header_logo img {
        width: auto;
        max-height: 50px;
    }
.show_child {
    display: none;
}
@media screen and (max-width: 1024px) {
    .header_logo img {
        width: 80px !important;
    }

    .header_nav {
        width: 100%;
        position: relative;
    }


    .header_nav_n {
        max-width: 250px;
        position: fixed;
        opacity: 0;
        top: 56px;
        left: -100%;
        bottom: 0;
        overflow: auto;
        background: #fff;
        z-index: 99;
        width: 100%;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        transition: 0.5s;
    }

        .header_nav_n ul {
            display: block !important;
        }

            .header_nav_n ul .hoverLi {
                min-height: 4rem;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            }

    .show_child {
        display: inline-block;
        width: 40px;
        height: 100%;
        transition: 0.3s;
        position: relative;
    }
        .show_child::before {
            position: absolute;
            content: '';
            width: 12px;
            height: 2px;
            background: #ccc;
            left: 50%;
            top: 50%;
            transform: translate(-50%,-50%);
        }
        .show_child::after {
            position: absolute;
            content: '';
            width: 2px;
            height: 12px;
            background: #ccc;
            left: 50%;
            top: 50%;
            transform: translate(-50%,-50%);
        }

    .show_child_click {
        transform: rotate(45deg);
    }

        .header_nav_n ul a {
            color: #333 !important;
            padding-bottom: 0 !important;
        }

    .header_top {
        display: none !important;
    }

    .container {
        width: 90%;
    }

    .header_nav_search {
        margin-right: 47px;
    }

    .open_menu {
        position: absolute!important;
        right: 0;
        height: auto;
        margin-left: 10px;
        background: transparent;
    }

        .open_menu span {
            position: relative;
            display: block;
            width: 30px;
            height: 30px;
            margin: 0 auto;
        }

            .open_menu span i {
                position: absolute;
                width: 100%;
                height: 3px;
                background: #fff;
                right: 0;
                top: 50%;
                margin-top: -1.5px;
                transition: 0.3s;
            }

                .open_menu span i:nth-child(1) {
                    margin-top: -10px;
                }

                .open_menu span i:nth-child(3) {
                    margin-top: 8px;
                }

    .open_menu_on {
        position: relative;
        z-index: 99;
    }

    .bian .open_menu span i {
        background: #d2d2d2
    }
    .bian {
    }

    .open_menu_on span i {
        background: #d2d2d2
    }

        .open_menu_on span i:nth-child(1) {
            top: 24px;
            transform: rotate(-45deg);
        }

        .open_menu_on span i:nth-child(2) {
            opacity: 0;
        }

        .open_menu_on span i:nth-child(3) {
            top: 6px;
            transform: rotate(45deg);
        }

    .menu-show .header_nav_n {
        left: 0;
        opacity: 1;
        overflow: hidden;
    }

    .menu-show .about_hd {
        /*display: block;*/
        position: static;
        width: 100%;
        margin: 0;
        padding: 0 20px;
    }

    .header_nav {
        padding: 10px 0 10px 0!important;
    }

    .bian .about_header {
        height: 100%;
        display: flex;
        align-items: center;
    }
}


@media screen and (max-width: 768px) {

    .header_nav_search {
        width: 12rem !important;
    }
}

.header_fr {
    margin-top: 20px;
}

    .header_fr ul {
        display: flex;
    }

        .header_fr ul li {
            font-size: 12px;
            color: #fff;
            height: 15px;
            padding: 0 20px;
            border-right: 1px solid #fff;
        }

            .header_fr ul li:last-child {
                padding-right: 0;
                border: none;
            }

            .header_fr ul li img {
                width: 15px;
                height: 15px;
                margin-right: 5px;
            }

            .header_fr ul li i {
                font-weight: 700;
            }

.header_nav {
    padding: 10px 0 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_nav_n {
    width: 80%;
    /* background-color: #fff; */
}

    .header_nav_n ul {
        display: flex;
        justify-content: space-between;
        position: relative;
    }

        .header_nav_n ul a {
            font-size: 1.1vw;
            color: #fff;
            padding-bottom: 5px;
            /* border-bottom: 1px solid #1d7bf4; */
        }

        .header_nav_n ul .current {
            color: #1d7bf4;
            /* border-bottom: 2px solid #1d7bf4;
  height: 100%;
  display: block; */
        }

    .header_nav_n .hoverLi a:target {
        color: #1d7bf4 !important;
    }

.header_nav_search {
    width: 18rem;
    height: 36px;
    background: #fff;
    border-radius: 5px;
    position: relative;
}

    .header_nav_search input {
        width: 100%;
        height: 100%;
        background-color: #eee;
        padding-left: 10px;
        font-size: 1.3rem;
        font-weight: 400;
        color: #999999;
        border-radius: 5px;
    }

    .header_nav_search .iconfont {
        display: block;
        width: 40px;
        height: 36px;
        background: #1d7bf4;
        border-radius: 5px;
        position: absolute;
        right: -21px;
        top: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translate(-50%, -50%);
    }

/* 头部 - 结束 */

/* 底部 - 开始 */

.ecec_footer {
    width: 100%;
    /*height: 44vh;*/
    background-color: #222222;
    display: flex;
    position: relative;
}

    .ecec_footer .container {
        display: flex;
        flex-direction: column;
    }

.ecec_footer_top {
    flex: 1;
    display: flex;
    color: #fff;
    padding: 65px 0;
}

.ecec_footer_fl {
    flex: 1;
    display: flex;
}

    .ecec_footer_fl ul {
        width: 25%;
    }

    .ecec_footer_fl .arrow {
        display: none;
    }

    .ecec_footer_fl ul .th {
        font-size: 19px;
        margin-bottom: 20px;
    }

        .ecec_footer_fl ul li {
            font-size: 15px;
            margin: 10px 0;
        }

.ecec_footer_fr {
    flex: 0.3;
    display: flex;
    border-left: 1px solid rgba(40, 40, 40, 1);
    align-items: center;
    justify-content: space-around;
}

    .ecec_footer_fr .ewm1 {
       
        margin-right: 20px;
        margin-left: 30px;
    }

    .ecec_footer_fr .ewm1 {
    }

    .ecec_footer_fr p {
        font-size: 1.2vw;
        text-align: center;
        margin-top: 20px;
        width: 130px;
    }

.ecec_footer_bottom {
    color: #fff;
    position: absolute;
    bottom: 0%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    text-align: center;
}

/* 底部 - 结束 */

/* 第二层菜单定位在头部 */
.fiexdHead {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    z-index: 99;
}
/* html {
  scroll-padding-top: 800px;
} */

/* 产品中心头部 */
.product_center {
    height: 150px !important;
}

    .product_center .container {
        height: 100%;
    }

    .product_center .about_nav {
        padding: 0;
        width: 100%;
        height: 100%;
    }

        .product_center .about_nav .ecec {
            width: 100%;
            display: flex;
            flex-direction: inherit;
            align-items: center;
        }

.ecec li a {
    color: #666;
}

.product_center .about_nav .th {
    width: 25%;
    text-align: center;
    line-height: 75px;
    height: 50%;
    border-right: 1px solid #f1f1f1;
}

.news_img img {
    width: 440px;
    height: 294px;
}

.lipage {
    display: flex;
    width: 100%;
    justify-content: center;
}

    .lipage span,
    .lipage a {
        height: 37px;
        border: 1px solid #f7f7f7;
        margin: 0 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0px 17px;
        font-size: 14px;
        line-height: 35px;
    }


/* 字体适配 */
@media only screen and (max-width: 1600px) and (min-width: 1280px) {
    html {
        font-size: 14px;
    }

    .show_child {
        display: none;
    }
}

@media only screen and (max-width: 1280px) and (min-width: 960px) {
    html {
        font-size: 12px;
    }
}

@media only screen and (max-width: 960px) {
    html {
        font-size: 10px;
    }

    .ecec_footer {
        height: auto;
        padding-bottom: 13rem;
    }
        .ecec_footer .ecec_footer_top {
            flex-direction: column;
        }

    .ecec_footer_fl ul li {
        font-size: 1.4rem;
    }
    .ecec_footer_fl ul .th {
        font-size: 1.6rem;
    }

    .ecec_footer_fr {
        justify-content: flex-end;
    }

    .ecec_footer_bottom {
        font-size: 0.5rem;
        padding: 0 3%;
    }
}

@media only screen and (max-width: 655px) {
    .ecec_footer_fl {
        flex-direction: column;
    }

        .ecec_footer_fl ul {
            width: 100%;
        }

        .ecec_footer_fl .arrow {
            display: block;
        }

        .ecec_footer_fl .th {
            position: relative;
            display: flex;
            align-items: center;
            font-size: 1.6vw!important;
            font-weight: 700;
            justify-content: space-between;
        }

        .ecec_footer_fl .child {
            display: none;
            color: #717578;
        }

    .ecec_footer_fr {
        border: none;
        margin-top: 7%;
    }
    }