.backTop {
    display: none !important;
    position: fixed;
    top: 90%;
    right: 10px;
    z-index: 99;
    padding: 20px;
    background-color: #eee;
    box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.5)
}

.backTop:hover:before {
    border-color: #4b5666 #4b5666 transparent transparent
}

.backTop:hover:after {
    background-color: #4b5666
}

.backTop:before {
    content: '';
    position: absolute;
    top: 14px;
    left: 50%;
    z-index: 0;
    transform: translateX(-50%) rotate(-45deg);
    width: 12px;
    height: 12px;
    border-width: 1px;
    border-style: solid;
    border-color: #4b5666 #4b5666 transparent transparent
}

.backTop:after {
    content: '';
    position: absolute;
    top: 24px;
    left: 50%;
    z-index: 0;
    transform: translateX(-50%);
    width: 14px;
    height: 1px;
    background-color: #4b5666
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 100px;
    background: white;
    transition: top .1s linear;
    box-shadow: 0px 1px 0px rgba(0, 0, 0, 0.3)
}

.header.header_hide {
    top: -100px
}

.header .menu a.logo {
    float: left;
    width: 258px;
    height: 70px;
    vertical-align: middle;
    margin-top: calc((100px - 70px) / 2);
    background: url(../images/logo.svg) no-repeat center center;
    background-size: 100%
}

.header .menu a.logo strong {
    margin-left: -100000px
}

.header .menu ul {
    float: right;
    padding: 30px 0px;
    line-height: 40px
}

.header .menu ul li {
    float: left;
    font-size: 0px
}

.header .menu ul li .link {
    width: 100px;
    font-size: 18px;
    color: #111;
    display: block;
    text-align: center
}

.header .menu ul li .link:first-child {
    position: relative
}

.header .menu ul li .link:first-child .img {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    display: none
}

.header .menu ul li .link:not(:first-child) {
    line-height: 40px;
    display: none;
    background: #fff
}

.header .menu ul li .link:hover {
    color: #e37200
}

.header .menu ul li .link:hover .img {
    display: block
}

.header .menu ul li .link.active {
    color: #e37200
}

.header .menu ul li:hover .link {
    display: block
}

.en_footer .contact {
    padding: 40px 0 40px;
    background-color: #f8f8f8;
    text-align: center
}

.en_footer .contact li {
    float: left;
    width: 33.33%
}

.en_footer .contact li .h5 {
    margin-bottom: 20px;
    font-size: 34px;
    color: #e37200
}

.en_footer .contact li .h5 img {
    display: none
}

.en_footer .contact li .link {
    font-size: 14px;
    font-weight: 500;
    color: #5a5a5a
}

.en_footer .contact li .link:hover {
    color: #e37200
}

.en_footer .contact li p {
    margin-top: 26px;
    font-size: 14px;
    font-weight: 500;
    color: #5a5a5a;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.en_footer .contact li p.fa_p {
    width: 32px;
    margin: 0
}

.en_footer .contact li .fa_list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    margin: 0 auto;
    width: 200px;
    padding-top: 20px
}

.en_footer .contact li .fa {
    display: block;
    width: 32px;
    height: 32px;
    background: url("../images/shortcut_img-pc.png") no-repeat
}

.en_footer .contact li .fa.fa-facebook-square {
    background-position: 0 -76px
}

.en_footer .contact li .fa.fa-facebook-square:hover {
    background-position: -38px -76px
}

.en_footer .contact li .fa.fa-twitter {
    background-position: 0 0
}

.en_footer .contact li .fa.fa-twitter:hover {
    background-position: -38px 0
}

.en_footer .contact li .fa.fa-blog {
    background-position: 0 -38px
}

.en_footer .contact li .fa.fa-blog:hover {
    background-position: -38px -38px
}

.en_footer .contact li .fa + span {
    display: none
}

.en_footer .copyright {
    padding-top: 8px;
    padding-bottom: 8px;
    background-color: #FFF;
    border-top: 1px solid #ECECEC;
    box-sizing: border-box;
    text-align: center;
    color: #5a5a5a;
    font-size: 14px
}

.en_footer .copyright a {
    color: #5a5a5a
}

.en_footer .copyright a:hover {
    color: #e37200
}

.en_footer .copyright .s_phone {
    display: none
}

@media screen and (min-width: 768px) and (max-width: 1200px) {
    .header .menu a.logo {
        width: 180.6px;
        height: 42px;
        margin-top: calc((100px - 42px) / 2)
    }

    .header .menu ul li .link {
        width: 80px;
        padding: 0px 6px;
        font-size: 16px
    }

    .header .menu ul li:nth-child(2):hover {
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05)
    }

    .header .menu ul li:nth-child(3):hover {
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05)
    }

    .en_footer .contact li:nth-child(1), .en_footer .contact li:nth-child(2) {
        width: 25%
    }

    .en_footer .contact li:nth-child(3) {
        width: 50%
    }
}

@media screen and (max-width: 768px) {
    .header {
        height: 60px;
        transition: all .2s linear;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 999;
        width: 100%;
        overflow: hidden;
        border-bottom: none
    }

    .header.open {
        width: 100%;
        height: 100%;
        background: #ECEBF3;
        position: fixed
    }

    .header.header_hide {
        top: 0px
    }

    .header .menu a.logo {
        width: 129px;
        height: 30px;
        margin-top: calc((60px - 30px) / 2);
        margin-bottom: calc((60px - 30px) / 2)
    }

    .header .menu ul {
        width: 100%;
        height: auto;
        line-height: 50px;
        display: none;
        padding: 0px
    }

    .header .menu ul.s {
        display: block
    }

    .header .menu ul li {
        width: 100%;
        float: none;
        text-align: right
    }

    .header .menu ul li .link {
        width: 100%;
        text-align: left;
        font-size: 18px
    }

    .header .menu ul li .link:not(:first-child) {
        font-size: 16px;
        display: block;
        color: #464646;
        text-indent: 1em;
        background: #ECEBF3
    }

    .header .menu .icon_open {
        width: 22px;
        height: 22px;
        margin-top: calc((60px - 22px) / 2)
    }

    .header .menu .icon_open span {
        -webkit-transition: -webkit-transform .3s linear;
        transition: -webkit-transform .3s linear;
        transition: transform .3s linear;
        transition: transform .3s linear, -webkit-transform .3s linear;
        display: block;
        width: 22px;
        height: 2px;
        background: #111111;
        margin-top: 5px
    }

    .header .menu .icon_close {
        width: 22px;
        height: 22px;
        margin-top: calc((60px - 0px) / 2)
    }

    .header .menu .icon_close span {
        transition: transform .3s linear;
        display: block;
        width: 22px;
        height: 2px;
        background: #111111;
        margin-top: 5px
    }

    .header .menu .icon_close span:nth-child(1), .header .menu .icon_close span:nth-child(3) {
        margin: 0;
        position: absolute
    }

    .header .menu .icon_close span:nth-child(1) {
        transform: rotate(-45deg)
    }

    .header .menu .icon_close span:nth-child(3) {
        transform: rotate(45deg)
    }

    .header .menu .icon_close span:nth-child(2) {
        display: none
    }

    .en_footer .contact {
        text-align: left;
        padding: 0
    }

    .en_footer .contact .container li {
        width: 100%
    }

    .en_footer .contact .container li h5 {
        width: 100%;
        height: 42px;
        line-height: 42px;
        background: #f8f8f8;
        font-size: 20px;
        box-sizing: border-box;
        color: #e37200;
        position: relative;
        cursor: pointer;
        margin-bottom: 0
    }

    .en_footer .contact .container li h5 img {
        display: block;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        right: 0px;
        width: 16px;
        height: 10px;
        transition: transform .2s linear
    }

    .en_footer .contact .container li h5 img.drop {
        transform: rotate(180deg) translateY(50%)
    }

    .en_footer .contact .container li p {
        margin: 0;
        height: 36px;
        line-height: 36px;
        display: none
    }

    .en_footer .contact .container li p.s {
        display: block
    }

    .en_footer .contact .container .fa_list {
        width: 100%;
        display: block;
        padding: 0
    }

    .en_footer .contact .container .fa_list .fa_p {
        width: 100%;
        height: 44px;
        line-height: 34px;
        padding-top: 5px;
        padding-bottom: 5px
    }

    .en_footer .contact .container .fa_list .fa {
        float: left
    }

    .en_footer .contact .container .fa_list .fa + span {
        display: block;
        float: left;
        margin-left: 10px
    }

    .en_footer .copyright {
        height: auto;
        text-align: left;
        font-size: 14px
    }

    .en_footer .copyright .container {
        padding: 0 12px
    }

    .en_footer .copyright .s_phone {
        display: inline
    }

    .en_footer .copyright .s_pc {
        display: none
    }
}