html {
    scroll-behavior: smooth
}

body {
    min-width: 1200px;
    font: 16px/160% 'Microsoft Yahei', sans-serif;
    color: #000;
    -webkit-text-size-adjust: 100%
}

a {
    color: #000
}

.w1200 {
    width: 1200px;
    margin: 0 auto
}

.topNav {
    width: 100%;
    height: 50px;
    text-align: center;
    font-size: 14px;
    line-height: 50px;
    background: #fff
}

.topNav a {
    margin: 0 17px
}

.main {
    width: 100%;
    background: url("../img/bg.jpg") top center/100% auto no-repeat;
    overflow: hidden;
    margin-bottom: 100px;
    margin-top: -10px
}

.headline {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin-top: 55px
}

.headline .head_pic {
    width: 850px;
    height: 476px;
    position: relative;
    overflow: hidden
}

.headline .video_poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.headline .video_play {
    position: absolute;
    top: 213px;
    left: 400px;
    width: 70px;
    height: 70px;

}

.headline .head_tit {
    width: 350px;
    height: 476px
}

.headline .head_tit li {
    height: 119px;
    line-height: 25px;
    background: #000;
    padding: 15px;
    box-sizing: border-box;
    position: relative;
    display: flex;
}

.headline .head_tit li::before {
    content: '';
    position: absolute;
    bottom: 18px;
    left: 20px;
    width: 35px;
    height: 35px;
    background: url("http://images.china.cn/images1/ch/2022video/img/headline_play.png") no-repeat;
    z-index: 99;
}

.headline .head_tit li .head_img {
    width: 160px;
    height: 93px;
    overflow: hidden;
    float: left;
}

.headline .head_tit li img {
    width: 160px;
    height: 93px;
    cursor: pointer;
    transition: all 0.6s;
}

.headline .head_tit li img:hover {
    transform: scale(1.08);
}

.headline .head_tit li p {
    padding: 0 0 5px 10px;
    width: 150px;
}

.headline .head_tit li a {
    color: #fff;
    font-size: 16px
}

.headline .head_tit li span {
    display: none
}

.headline .head_tit .headCur {
    background: -webkit-gradient(linear, left top, right top, from(#003f53), to(#000));
    background: linear-gradient(to right, #003f53, #000)
}

.columnName {
    width: 100%;
    margin-bottom: 25px
}

.columnName h2 {
    padding-bottom: 15px;
    display: inline-block;
    font-weight: bold;
    font-size: 24px;
    position: relative
}

.columnName h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    background: #2D77BD;
    width: 100%;
    height: 3px
}

.columnName p {
    float: right;
    font-size: 12px
}

.columnName p a {
    color: #666
}

.news {
    margin-top: 50px
}

.news .columnName {
    overflow: hidden
}

.news .columnName a {
    color: #fff
}

.news .columnName h2 {
    float: left
}

.news .columnName h2::after {
    background: #005B79
}

.news .columnName .columnName1 {
    float: right;
    margin-right: 180px
}

.news .columnName p {
    float: left;
    margin-left: 730px
}

.news ul {
    width: 894px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    position: relative;
    height: 300px;
}

.news ul li {
    width: 280px;
    border-radius: 8px;
    background: -webkit-gradient(linear, left top, left bottom, from(#4b708b), to(#000));
    background: linear-gradient(#4b708b, #000);
    padding: 7px 7px 20px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    position: relative
}

.news ul .recom_list {
    position: absolute;
    top: 0;
    height: 300px;
    right: -307px;
}

.news ul li a::before {
    content: '';
    position: absolute;
    top: 55px;
    left: 113px;
    width: 53px;
    height: 53px;
    background: url("../img/play.png");
    cursor: pointer;
    z-index: 9
}

.news ul li .news_box {
    display: inline-block;
    width: 265px;
    height: 155px;
    overflow: hidden
}

.news ul li img {
    width: 265px;
    height: 155px;
    -webkit-transition: all 0.6s;
    transition: all 0.6s
}

.news ul li img:hover {
    -webkit-transform: scale(1.05);
    transform: scale(1.05)
}

.news ul li p {
    width: 255px;
    margin: 10px auto 0
}

.news ul li a {
    color: #fff;
    font-size: 15px;
    line-height: 200%
}

.brand {
    margin-top: 80px
}

.brand .brand_con {
    width: 100%;
    height: 405px
}

.brand .brand_con .brand_article {
    width: 94px;
    height: 405px;
    position: relative;
    color: #fff;
    float: left;
    overflow: hidden;
    margin-right: 1px;
    -webkit-transition: all 1s;
    transition: all 1s
}

.brand .brand_con .brand_article a {
    color: #fff
}

.brand .brand_con .brand_article img {
    width: 720px;
    height: 405px;
    -webkit-transition: all 0.6s;
    transition: all 0.6s;
    max-width:unset;
}

.brand .brand_con .brand_article img:hover {
    -webkit-transform: scale(1.05);
    transform: scale(1.05)
}

.brand .brand_con .brand_article h2 {
    width: 94px;
    height: 405px;
    position: absolute;
    top: 0;
    left: 0;
    background: -webkit-gradient(linear, left top, left bottom, from(rgba(75, 177, 170, 0.8)), to(rgba(20, 81, 114, 0.8)));
    background: linear-gradient(rgba(75, 177, 170, 0.8), rgba(20, 81, 114, 0.8));
    -webkit-writing-mode: vertical-rl;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 20px 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    letter-spacing: 2px
}

.brand .brand_con .brand_article p {
    width: 626px;
    height: 120px;
    background: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0)), to(rgba(0, 0, 0, 0.75)));
    background: linear-gradient(rgba(255, 255, 255, 0), rgba(0, 0, 0, 0.75));
    position: absolute;
    bottom: 0;
    left: 94px
}

.brand .brand_con .brand_article p a {
    display: inline-block;
    width: 540px;
    position: absolute;
    bottom: 10px;
    left: 30px
}

.brand .brand_con .brand_cur {
    width: 720px
}

.brand .brand_logo {
    width: 1200px;
    margin: 100px auto 80px
}

.brand .brand_logo ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap
}

.brand .brand_logo ul li {
    width: 145px;
    height: 145px;
    margin: 0 45px 30px
}

.brand .brand_logo ul li:nth-child(-n+4),
.brand .brand_logo ul li:nth-child(n+10) {
    margin: 0 50px 30px
}

.brand .brand_logo ul li a {
    width: 145px;
    height: 145px;
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center
}

.brand .brand_logo ul li a::before {
    content: '';
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../img/brand_logo.png");
    -webkit-transition: all 0.6s;
    transition: all 0.6s
}

.brand .brand_logo ul li a:hover::before {
    -webkit-transform: rotateZ(-180deg);
    transform: rotateZ(-180deg)
}

.brand .brand_logo ul li a img {
    position: relative;
    z-index: 5;
    -webkit-transition: all 0.6s;
    transition: all 0.6s
}

.brand .brand_logo ul li a:hover img {
    -webkit-transform: scale(1.1);
    transform: scale(1.1)
}

.adv {
    margin-bottom: 50px;
    width: 100%
}

.special {
    width: 890px;
    float: left
}

.special ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap
}

.special ul li {
    margin: 0.5px;
    overflow: hidden;
    position: relative
}

.special ul li:hover img {
    -webkit-transform: scale(1.05);
    transform: scale(1.05)
}

.special ul li:nth-child(1),
.special ul li:nth-child(8) {
    width: 395px;
    height: 140px
}

.special ul li:nth-child(2),
.special ul li:nth-child(3),
.special ul li:nth-child(6),
.special ul li:nth-child(7) {
    width: 245px;
    height: 140px
}

.special ul li:nth-child(4),
.special ul li:nth-child(5) {
    width: 443px;
    height: 155px
}

.special ul li a::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(27, 94, 127, 0.3);
    -webkit-transition: all 0.6s;
    transition: all 0.6s;
    z-index: 1
}

.special ul li a:hover::before {
    opacity: 0
}

.special ul img {
    width: 100%;
    height: 100%;
    -webkit-transition: all 0.6s;
    transition: all 0.6s
}

.active {
    width: 275px;
    float: right
}

.active .activeSwiper {
    width: 273px;
    height: 440px;
    overflow: hidden
}

.active .activeSwiper img {
    width: 100%;
    height: 100%;
    -webkit-transition: all 0.6s;
    transition: all 0.6s
}

.active .activeSwiper img:hover {
    -webkit-transform: scale(1.05);
    transform: scale(1.05)
}

.active .activeSwiper .swiper-button-next,
.active .activeSwiper .swiper-button-prev {
    color: #fff
}

.active .activeSwiper .swiper-button-next:after,
.active .activeSwiper .swiper-button-prev:after {
    font-size: 35px
}

.active .activeSwiper .swiper-button-prev {
    left: 5px
}

.active .activeSwiper .swiper-button-next {
    right: 5px
}

.link {
    width: 100%;
    border-top: 1px solid #eee;
    background: #FCFCFC;
    padding: 30px 0 50px
}

.link h2 {
    font-size: 20px
}

.link p {
    margin-top: 20px;
    color: #666;
    font-size: 14px;
    line-height: 30px
}

.link a {
    color: #666
}

.foot {
    width: 100%;
    background: #0C2342;
    padding: 30px 0;
    color: #fff;
    font-size: 14px;
    line-height: 30px;
    text-align: center
}

.foot a {
    color: #fff
}

.fixed {
    position: fixed;
    bottom: 200px;
    right: 30px
}

.video_poster,
.video_play {
    display: none;
}

@media screen and (max-width: 1200px) {

    .video_poster,
    .video_play {
        display: block;
    }

    .main {
        background: url("../img/bg.jpg") top center/100% 45vh no-repeat;

    }
}

/*# sourceMappingURL=index.min.css.map */