body {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
}

.padding18 {
    padding: 0 18px;
}

.pad-bottom-20 {
    padding-bottom: 20px;
}

.bold {
    font-weight: bold;
}

.line-height-30 {
    line-height: 30px;
}

.dashed_hr {
    border: dashed 1px #d8d8d8;
}

.color-656eb5 {
    color: #656eb5;
}

.color-3d8ea7 {
    color: #3d8ea7;
}

.color-ff458b {
    color: #ff458b;
}

.m_text_center {
    text-align: center;
}

.m_hidden {
    display: none !important;
}

.all_hidden {
    display: none !important;
}

.banner__title {
    width: 100%;
    height: 61px;
    display: flex;
    align-items: center;
    padding-left: 30px;
    box-sizing: border-box;
    color: #ffffff;
    position: relative;
    font-size: 22px;
    line-height: 61px;
}

.banner__title-en {
    font-size: 16px;
}

.banner__nav {
    position: absolute;
    width: 0;
    height: 0;
    right: 0;
    top: 0;
}

.banner__nav_menu_btn {
    width: 32px;
    height: 32px;
    position: absolute;
    top: 14px;
    right: 10px;
    background: url("../images/banner_menu.png?20200814")center 0/100% 100% no-repeat;
}

.banner__nav_menu_wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /*height: 273px;*/
    color: #999999;
    background: #000000;
    line-height: 27px;
    display: flex;
    flex-direction: column;
    font-size: 20px;
    text-align: center;
    z-index: 22;
}

.banner__nav_menu_wrapper-hidden {
    display: none;
}

@keyframes slideLeftShow {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes slideRightHide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes slideBottomShow {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0%);
    }
}

@keyframes slideTopHide {
    0% {
        transform: translateY(0%);
    }
    100% {
        transform: translateY(-100%);
    }
}

.slideLeftShow {
    animation: slideLeftShow 300ms linear;
}

.slideRightHide {
    animation: slideRightHide 300ms linear;
}

.slideBottomShow {
    animation: slideBottomShow 300ms linear;
}

.slideTopHide {
    animation: slideTopHide 300ms linear;
}

.banner__nav_menu {
    height: 66px;
    box-sizing: border-box;
    padding: 0 4px;
}

.menu_btn_wrap {
    width: 100%;
    height: 100%;
    border-bottom: solid 1px #333333;
    display: flex;
    align-items: center;
    justify-content: center;
}

div.menu_btn_wrap {
    height: 66px;
    text-align: center;
    line-height: 66px;
}

div.menu_btn_wrap a {
    width: 100%;
}

.banner__nav_menu a {
    display: block;
    transition: none;
    text-decoration: none;
    color: #999999;
    padding-bottom: 0;
}

.hover {
    background-color: #1a1a1a;
}

.hover a {
    color: #ffffff;
}

.banner__nav_menu-close {
    flex: 0 0 61px;
    line-height: 61px;
    color: #FFFFFF;
    font-weight: bold;
}

.banner__nav_menu {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner__title a {
    display: block;
    transition: none;
    text-decoration: none;
    color: #ffffff;
    padding-bottom: 0;
}

.banner__title_img {
    position: absolute;
    left: 0px;
    right: 0px;
    top: 0px;
    bottom: 0px;
    margin: auto;
    max-width: 275px;
    max-height: 105px;
    width: 69vw;
    height: 26.3vw;
    background: url("../images/title_m.png?20200814") 0 0/100% 100% no-repeat;
}

.banner__title_img-en {
    top: 0px;
    max-width: 348px;
    max-height: 165px;
    width: 69vw;
    height: 32.6vw;
    background: url("../images/title_e_bg.png?20200814") 0 0/100% 100% no-repeat;
}

.banner__job_img_wrapper {
    position: absolute;
    left: 0px;
    right: 0px;
    top: 44.4vw;
    margin: 0 auto;
    width: 100%;
    height: 44px;
    text-align: center;
}

.banner__job_img {
    width: 56vw;
    height: 8.9vw;
    background: url("../images/title_recruit_c.png?20190814") 0 0/100% 100% no-repeat;
    display: inline-block;
}

.banner__nav_menu_wrapper_close {
    clear: both;
    background-color: #272727;
    line-height: 42px;
    height: 42px;
    overflow: hidden;
    display: block;
    border-bottom: solid 1px #333333;
}

.banner__nav_menu_wrapper_close b {
    float: right;
    background: url("../images/close.png?20200814") no-repeat;
    width: 20px;
    height: 20px;
    background-size: contain;
    margin: 10px 20px 0 15px;
    cursor: pointer;
    display: block;
}

.banner__nav_menu_wrapper_list {
    list-style: none;
    float: none;
    display: block;
    overflow: hidden;
    clear: both;
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font-weight: normal;
    line-height: 27px;
    width: 32px;
}

.sub_box-nopadding {
    padding: 0;
}

.sub_box-gray {
    background-color: #f8f8f8;
}

#cover {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 21;
}

#transparent_cover {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    z-index: 21;
}