body {
    overflow-x: hidden;
    background: #fff;
}

header {
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
}

.video {
    position: relative;
    overflow: hidden;
    background: url(../images/video.jpg) no-repeat center center/cover;
}

.video-layer {
    position: absolute;
    left: 0;
    bottom: 10%;
    width: 100%;
    text-align: center;
}

.video video {
    width: 100%;
}



/* 第1部分 */

.part1 {
    position: relative;
    padding: 75px 0 0;
    overflow: hidden;
}

.part1-title {
    font: bold 30px/36px '微软雅黑';
    text-align: center;
    color: #000;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-detail {
    padding: 0 0 45px;
    font: 400 16px/36px '微软雅黑';
    color: #666666;
    text-align: center;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-box {
    display: flex;
}

.part1-left {
    display: flex;
    align-items: center;
    width: 46.2%;
    opacity: 0;
    transform: translate3d(-50%, 0, 0);
}

.part1-left img {
    width: 100%;
}

.part1-right {
    position: relative;
    width: 53.8%;
    height: 40.625vw;
    padding-left: 180px;
    background: url(../images/part1_bg.jpg) no-repeat center center/cover;
}

.part1-ad {
    position: absolute;
    left: 0;
    top: 20vw;
    width: 180px;
    text-align: center;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-right-box {
    padding-top: 6.25vw;
    border-left: 1px solid #e8e8e8;
}

.part1-right-title {
    position: relative;
    margin: 0 0 40px;
    padding: 0 0 0 30px;
    text-align: left;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-right-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 46px;
    background: #0154a6;
}

.part1-right-title .ch {
    font: 400 24px/30px '微软雅黑';
    color: #0154a6;
}

.part1-right-title .en {
    font: 400 12px/16px '微软雅黑';
    color: #000;
}

.part1-p {
    width: 480px;
    height: 210px;
    overflow: hidden;
    padding: 0 0 0 30px;
    font: 400 16px/30px '微软雅黑';
    color: #000;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-more {
    width: 110px;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-more a {
    display: block;
    font: 400 14px/30px '微软雅黑';
    color: #fff;
    text-align: center;
    background: #0154a6;
}

.part1-more a:hover {
    color: #0154a6;
    background: #fff;
}


.part1-more a span {
    padding-right: 5px;
}

.part1-layer {
    position: absolute;
    z-index: 50;
    left: 50%;
    bottom: 0;
    width: 1200px;
    margin-left: -600px;
    background: rgba(1, 84, 166, 0.9);
    border-bottom: 4px solid #fc7019;
    opacity: 0;
    transform: translate3d(50%, 0, 0);
}

.part1-layer ul {
    display: flex;
    justify-content: center;
    padding: 0 40px;
}

.part1-layer ul li {
    width: 25%;
    background: url(../images/part1);
}

.part1-layer ul a {
    display: block;
    padding: 30px 0;
    text-align: center;
    transition: 0.3s;
}

.part1-layer ul i {
    display: block;
    text-align: center;
}

.part1-layer ul p {
    font: bold 16px/30px '微软雅黑';
    color: #fff;
}

.part1-layer ul a:hover {
    transform: translate3d(0, -10px, 0);
}

/* 动画 */
.part1-title.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}

.part1-detail.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.9s;
}

.part1-left.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}
.part1-ad.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}
.part1-right-title.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}

.part1-p.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}

.part1-more.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}

.part1-layer.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}

@media (min-width: 1480px) {
    .part1-ad {
        top: 21.875vw;
    }

    .part1-p {
        height: 300px;
    }
}

/* 第2部分 */

.part2 {
    position: relative;
}

.part2-main {
    display: flex;
    justify-content: space-between;
    width: 1200px;
    margin: 100px auto 0;
    padding: 0 0 50px;
}

.part2-left {
    width: 300px;
    opacity: 0;
    transform: translate3d(-50%, 0, 0);
}

.part2-left-title {
    padding: 40px 0 60px;
    color: #000;
    background: url(../images/part2_line.png) no-repeat 0 0;
}

.part2-left-title .en {
    font: bold 36px/42px '微软雅黑';
    text-transform: uppercase;
}

.part2-left-title .ch {
    font: 400 30px/36px '微软雅黑';
}

.part2-left ul {
    width: 240px;
}

.part2-left ul li {
    padding: 0 0 30px;
}

.part2-left ul li span {
    display: block;
    padding: 0 0 0 20px;
    font: 400 16px/24px '微软雅黑';
    color: #000;
    background: url(../images/part2_circle.png) no-repeat 0 center;
}

.part2-right {
    width: 800px;
    opacity: 0;
    transform: translate3d(-50%, 0, 0);
}

.part2-right ul {
    display: flex;
    flex-wrap: wrap;
    border-right: 1px solid #e7e7e7;
    border-bottom: 1px solid #e7e7e7;
}

.part2-right ul li {
    width: 50%;
    height: 290px;
    padding: 40px 40px 15px;
    color: #000;
    text-align: center;
    border-top: 1px solid #e7e7e7;
    border-left: 1px solid #e7e7e7;
}

.part2-right ul li i {
    display: block;
    padding: 0 0 15px;
}

.part2-li-ch {
    font: 400 24px/30px '微软雅黑';
}

.part2-li-en {
    font: 400 12px/16px '微软雅黑';
}

.part2-li-p {
    height: 90px;
    margin: 30px 0 0;
    overflow: hidden;
    font: 400 14px/30px '微软雅黑';
    color: #666666;
    transition: 0.3s;
}

.part2-right ul li:hover .part2-li-p {
    transform: translate3d(0, -10px, 0);
}

.ad {
    position: relative;
    padding: 0 0 50px;
}

.ad img {
    width: 100%;
}

.ad-more {
    position: absolute;
    right: 5%;
    top: 50%;
    width: 110px;
}

.ad-more a {
    display: block;
    font: 400 14px/30px '微软雅黑';
    color: #fff;
    text-align: center;
    background: #0154a6;
}

.ad-more a span {
    padding-right: 5px;
}

.ad-more a:hover {
    color: #0154a6;
    background: #fff;
}

/* 动画 */
.part2-left.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}

.part2-right.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.9s;
}


/* 第3部分 */

.part3 {
    position: relative;
    padding: 75px 0;
    background: url(../images/part3_bg.jpg) no-repeat center bottom;
}

.part3-border {
    position: absolute;
    left: 0;
    top: 259px;
    width: 100%;
    height: 3px;
    background: url(../images/part3_border.png) no-repeat center 0;
}

.part3-main {
    width: 1206px;
    margin: 0 auto;
}

.part3-top {
    display: flex;
    justify-content: space-between;
}

.part3-title {
    padding: 45px 0 0;
    color: #000;
    background: url(../images/part2_line.png) no-repeat 0 0;
}

.part3-title .en {
    font: bold 36px/42px '微软雅黑';
    text-transform: uppercase;
}

.part3-title .ch {
    font: 400 30px/36px '微软雅黑';
}

.part3-video {
    width: 110px;
    height: 124px;
    text-align: center;
    background: #0154a6;
}

.part3-video i {
    display: block;
    padding: 28px 0 14px;
    text-align: center;
}

.part3-video p {
    font: 400 18px/30px '微软雅黑';
    color: #fff;
}

.part3-line {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
}

.part3-more {
    width: 110px;
}

.part3-more a {
    display: block;
    font: 400 14px/30px '微软雅黑';
    color: #fff;
    text-align: center;
    background: #0154a6;
    border: 1px solid #0154a6;
}

.part3-more a span {
    padding-right: 5px;
}

.part3-more a:hover {
    color: #0154a6;
    background: #fff;
    border-color: #0154a6;
}


.part3-nav {
    width: 540px;
}

.part3-nav ul {
    display: flex;
    flex-wrap: wrap;
}

.part3-nav ul li {
    width: 33.3%;
    padding: 5px;
}

.part3-nav ul a {
    display: flex;
    color: #000;
}

.part3-nav ul span {
    display: block;
    padding: 0 20px;
    font: bold 18px/36px '微软雅黑';
}

.part3-nav ul a:hover span {
    color: #fff;
    background: #0154a6;
}

.part3-box {
    padding: 60px 0 0;
}

.part3-box ul {
    display: flex;
    flex-wrap: wrap;
}

.part3-box ul li {
    width: 33.3%;
    padding: 0 10px;
}

.part3-box ul a {
    display: block;
    position: relative;
    overflow: hidden;
}

.part3-box ul a i {
    display: block;
}

.part3-box ul a i img {
    width: 100%;
}

.pic-li-layer {
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 90px 0 0;
    text-align: center;
    color: #fff;
    background: rgba(1, 84, 166, 0.9);
    border: 5px solid #fbcf47;
    opacity: 0;
    transform: translate3d(0, 100%, 0);
    transition: 0.6s;
}

.pic-li-logo {
    padding: 0 0 36px;
}

.pic-li-name {
    font: 400 24px/30px '微软雅黑';
}

.pic-li-more {
    padding: 20px 0 0;
    font: 400 14px/24px '微软雅黑';
}

.part3-box ul a:hover .pic-li-layer {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* 动画 */
.animated_visible {}

/* 第4部分 */

.part4 {
    position: relative;
    padding: 130px 0 75px;
    background: url(../images/part4_bg.jpg) no-repeat center 0 / cover;
}

.part4-main {
    width: 1260px;
    margin: 0 auto;
}

.part4-main ul {
    display: flex;
    flex-wrap: wrap;
}


.part4-title {
    margin: 10px 0 0;
    padding: 50px 0 0;
    background: url(../images/part4_line.png) no-repeat 0 0;
}

.part4-title .en {
    font: bold 36px/42px '微软雅黑';
    color: #fff;
    text-transform: uppercase;
}

.part4-title .ch {
    font: 400 30px/36px '微软雅黑';
    color: #fff;
}

.part4-more {
    width: 114px;
    padding: 70px 0 0;
}

.part4-more a {
    display: block;
    padding-left: 15px;
    font: 400 14px/30px '微软雅黑';
    color: #fff;
    border: 2px solid #fff;
}

.part4-more a span {
    padding-right: 5px;
}

.part4-more a:hover {
    color: #0154a6;
    background: #fff;
}

.part4-ad {
    padding: 45px 0;
}

.part4-detail {
    padding-left: 60px;
    font: 400 18px/24px '微软雅黑';
    color: #fff;
}

.part4-dt {
    padding: 30px 0 0 60px;
}

.part4-main ul {
    perspective: 1000px;
}

.part4-main ul li {
    width: 33.3%;
    padding: 2px;
    opacity: 0;
    transform: rotateY(120deg);
    transform-origin: center center;
}

.part4-main ul li:last-child {
    width: 66.6%;
}

.part4-main ul a {
    position: relative;
    display: block;
}

.part4-main ul i {
    display: block;
    overflow: hidden;
}

.part4-main ul i img {
    width: 100%;
    transition: 0.3s;
}

.case-li-name {
    position: absolute;
    z-index: 10;
    right: 0;
    bottom: 0;
    width: 200px;
    font: 400 16px/36px '微软雅黑';
    color: #000;
    text-align: center;
    background: #fff;
}

.part4-main ul a:hover i img {
    transform: scale(1.1);
}


.part4-logo {
    position: absolute;
    z-index: 1;
    right: 2%;
    bottom: 75px;
}

/* 动画 */
.part4-main ul li.animated_visible {
    opacity: 1;
    transform: rotateY(0);
    transition: 0.6s 1s;
}

/* 第5部分 */

.part5 {
    position: relative;
    padding: 50px 0 100px;
}

.part5-main {
    display: flex;
    justify-content: space-between;
    width: 1200px;
    margin: 0 auto;
}

.part5-left {
    width: 450px;
    opacity: 0;
    transform: translate3d(-50%, 0, 0);
}

.part5-left ul {
    padding: 150px 0 0;
}

.part5-left ul li {
    padding: 10px 0;
}

.part5-left ul a {
    display: block;
    position: relative;
}

.part5-left ul a i {
    display: block;
    overflow: hidden;
}

.part5-left ul a i img {
    width: 100%;
    transition: 0.3s;
}

.part5-left ul a p {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    padding: 48px 10px;
    font: 400 18px/1 '微软雅黑';
    text-align: center;
    color: #fff;
    background: #0154a6;
}

.part5-left ul a:hover i img {
    transform: scale(1.1);
}

.part5-right {
    width: 725px;
    padding: 0 0 0 25px;
    opacity: 0;
    transform: translate3d(50%, 0, 0);
}

.part5-title {
    padding: 50px 0 0;
    text-align: center;
    background: url(../images/part5_line.png) no-repeat center 0;
}

.part5-title .en {
    font: bold 36px/42px '微软雅黑';
    color: #000;
}

.part5-title .ch {
    font: 400 30px/36px '微软雅黑';
    color: #000;
}

.part5-nav {
    padding: 40px 0 0;
}

.part5-nav ul {
    display: flex;
    justify-content: center;
}

.part5-nav ul li {
    padding: 0 10px;
}

.part5-nav ul a {
    display: block;
}

.part5-nav ul a span {
    position: relative;
    display: block;
    padding: 0 20px;
    font: 400 18px/36px '微软雅黑';
    color: #000;
}

.part5-nav ul a span::before {
    content: '';
    position: absolute;
    z-index: 10;
    left: -11px;
    top: 18px;
    width: 22px;
    height: 3px;
    background: url(../images/part_nav_li.png) no-repeat 0 0;
    opacity: 0;
}

.part5-nav ul a:hover span {
    color: #fff;
    background: #0154a6;
}

.part5-nav ul a:hover span::before {
    opacity: 1;
}

.part5-new {
    padding: 10px 0 0;
}


.part5-new ul li {
    padding: 23px 0 0;
}

.part5-new ul a {
    display: flex;
    justify-content: space-between;
    padding: 30px;
    color: #000;
    border: 1px solid #e0e0e0;
}

.new-li-font {
    width: 500px;
}

.new-li-title {
    overflow: hidden;
    font: 400 24px/30px '微软雅黑';
    text-overflow: ellipsis;
    white-space: nowrap;
}

.new-li-p {
    height: 72px;
    margin: 10px 0 0;
    overflow: hidden;
    font: 400 14px/24px '微软雅黑';
    color: #666666;
}

.new-li-time {
    width: 120px;
    padding: 20px 0;
    text-align: center;
    border-left: 1px solid #e0e0e0;
}

.new-li-day {
    font: bold 48px/54px '微软雅黑';
}

.new-li-year {
    font: 400 16px/24px '微软雅黑';
}

.part5-new ul a:hover {
    color: #fff;
    background: #0154a6;
}

.part5-new ul a:hover .new-li-p {
    color: #fff;
}

/* 动画 */
.part5-left.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}

.part5-right.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 1s;
}