.ny-nav {
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
}

.ny-nav a {
    display: inline-block;
    padding: 10px 30px;
    background: #fff;
    border-radius: 40px;
    border: 1px solid #ebe8e4;
    margin: 0 10px 25px;
}

.ny-nav a.on, .ny-nav a:hover {
    background: #3479D7;
    color: #fff;
    border-color: #3479D7;
}

.ny-about-box {
    background: #fff;
    padding: 60px;
}

.nyabout-tit {
    position: relative;
    text-align: center;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
    padding-bottom: 30px;
}

.nyabout-tit .entit {
    display: block;
    position: absolute;
    z-index: 9;
    color: #ebebeb;
    font-size: 36px;
    text-transform: uppercase;
    width: 100%;
    top: 0;
    left: 0;
}

.nyabout-tit .tit {
    font-size: 42px;
    color: #000;
    display: block;
    position: relative;
    z-index: 999;
    width: 100%;
    top: 8px;
    left: 0;
    font-weight: lighter;
}

.nyabout-txt {
    line-height: 1.6;
    font-size: 20px;
    color: #666;
    text-align: justify;
}


.ny-zs-list ul {
    margin: 0 -15px;
}

.ny-zs-list ul li {
    padding: 15px;
}

.ny-zs-list ul li a {
    display: block;
    background: #fff;
}

.ny-zs-list ul li a i {
    display: block;
    position: relative;
    overflow: hidden;
    margin: 15px;
}

.ny-zs-list ul li a i img {
    width: 100%;
}

.ny-zs-list ul li a .txt {
    padding: 0 15px 15px 15px;
    text-align: center;
    color: #333;
}

.ny-zs-list ul li a:hover .txt .tit {
    color: #3479D7;
}

.ny-zs-list ul li a .txt .tit {
    width: 100%;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.hm-video-box {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    background-color: #000;
}

.hm-video-box img {
    transition: .6s .05s;
    width: 100%;
}

.hm-video-box em {
    width: 62px;
    height: 62px;
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
}

.video_show {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    display: none;
    left: 0;
    z-index: 999;
    background: rgba(0,0,0,.8);
}

.videos_wrap {
    max-width: 1200px;
    position: absolute;
    box-sizing: border-box;
    padding: 20px;
    width: 60%;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    background: #fff;
}

.videos_wrap button {
    position: absolute;
    right: 0;
    top: -70px;
    background: #fff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    outline: none;
}

.videos_wrap video {
    width: 100%;
    object-fit: fill;
}

.cultureBox .listBox {
    display: flex;
    flex-wrap: wrap;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.cultureBox .item {
    width: 25%;
    background-color: #ffffff;
    box-sizing: border-box;
    border-right: 1px solid #dee5eb;
    transition: all 0.5s;
    border-top: 1px solid #dee5eb;
}
.cultureBox .item:nth-child(1),
.cultureBox .item:nth-child(2),
.cultureBox .item:nth-child(3),
.cultureBox .item:nth-child(4){
    border-top: none;
}
.cultureBox .item:nth-child(4n){
    border-right: 0;
}
.cultureBox .item a,
.cultureBox .item span{
    display: block;
    width: 100%;
    padding: 60px 45px 50px;
    box-sizing: border-box;
}
.cultureBox .icon {
    display: block;
    font-size: 0;
    margin-bottom: 205px;
}

.cultureBox .icon2 {
    display: none;
}

.cultureBox .h2 {
    font-size: 20px;
    color: #3479D7;
    line-height: 36px;
    margin-bottom: 15px;
    transition: all 0.5s;
}

.cultureBox .text {
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    transition: all 0.5s;
    white-space: pre-line;
}

.cultureBox .item:hover {
    background-image: url(../images/img-about.jpg);
    background-position: center center;
    background-size: cover;
    transform: scale(1.1);
    -ms-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
    -moz-transform: scale(1.1);
    z-index: 2;
}

.cultureBox .item:hover .icon1 {
    display: none;
}

.cultureBox .item:hover .icon2 {
    display: block;
}

.cultureBox .item:hover .h2 {
    color: #fff;
}

.cultureBox .item:hover .text {
    color: #fff;
}

@media screen and (max-width: 1440px) {
    .cultureBox .item a, .cultureBox .item span {
        padding: 50px 30px;
    }

    .cultureBox .icon {
        margin-bottom: 120px;
    }
}

@media screen and (max-width: 1280px)  {
    .cultureBox .icon {
        margin-bottom: 70px;
    }
}

@media screen and (max-width: 1024px) {
    .ny-nav {
        white-space: normal;
        overflow-y: hidden;
        overflow-x: auto;
        margin-bottom: 8px;
        background: #fff;
        padding-top: 10px;
        border-top: 1px solid #eee;
        justify-content: space-between;
    }

    .ny-nav a {
        font-size: 12px;
        padding: 4px 10px;
        margin-bottom: 10px;
        margin-left: 5px;
        margin-right: 5px;
    }

    .ny-about-box {
        padding: 15px;
        background: transparent;
    }

    .nyabout-tit {
        padding-bottom: 15px;
        margin-bottom: 15px;
    }

    .nyabout-tit .entit {
        font-size: 20px;
    }

    .nyabout-tit .tit {
        font-size: 20px;
    }

    .nyabout-txt {
        font-size: 14px;
    }

    .videos_wrap {
        width: 94%;
    }

    .cultureBox .listBox {
        margin-bottom: 0;
        margin-top: 20px;
    }
}

@media screen and (max-width: 768px)  {
    .cultureBox .item {
        width: 100%;
        margin-bottom: 10px;
        border-bottom: none;
        border-top: none;
        border-right: none;
    }
    .cultureBox .item a, .cultureBox .item span {
        padding: 20px;
    }

    .cultureBox .item:last-child {
        margin-bottom: 0;
    }

    .cultureBox .icon {
        margin-bottom: 20px;
    }

    .cultureBox .h2 {
        margin-bottom: 10px;
    }

    .cultureBox .text {
        font-size: 14px;
        line-height: 24px;
    }

}