html,
body {
    background: #fff;
}

/*样式表*/
.video-bg {
    display: none;
    position: fixed;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.alerts {
    position: absolute;
    z-index: 99;
    left: 0;
    bottom: 10%;
    width: 100%;
    text-align: center;
}

.alerts img {
    width: 40px;
}

.video-bg div {
    display: flex;
    align-items: center;
    position: fixed;
    z-index: 1;
    width: 100%;
    height: 100%;
}

.video {
    position: relative;
    width: 100%;
}

.video i {
    display: block;
}

.video i img {
    width: 100%;
}

.video-layer {
    position: absolute;
    left: 0.8rem;
    bottom: 1rem;
    width: 100%;
}

.video-layer img {
    width: 7.2rem;
}

.video-btn {
    position: absolute;
    left: 0;
    top: 4.4rem;
    width: 100%;
    text-align: center;
}

.video-btn img {
    width: 2.4rem;
}

/* 第1部分 */
.part1 {
    position: relative;
    padding: 0 0 0.8rem;
}

.part1-main {
    padding: 0 0.3rem;
}

.part1-left {
    padding: 0;
}

.part1-title {
    padding: 0.8rem 0 0.1rem;
    color: #000;
    text-align: left;
}

.part1-title .en {
    font: bold 12px/14px '微软雅黑';
    opacity: 0.1;
}

.part1-title .ch {
    font: bold 16px/24px '微软雅黑';
}

.part1-time {
    text-align: right;
    background: url(../images/part1_line.png) no-repeat 0 bottom/6.6rem 1px;
}

.part1-time p {
    padding-right: 1rem;
    font: 400 12px/16px '微软雅黑';
    text-align: right;
}

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

.part1-year span {
    font: bold 30px/36px '微软雅黑';
    color: #ae0707;
}

.part1-p {
    margin: 0.6rem 0;
    font: 400 16px/24px '微软雅黑';
    color: #666;
    text-align: justify;
}

.part1-right {
    padding: 0;
}

.part1-img {
    text-align: center;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

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

.part1-font {
    padding: 0.6rem 0 0.3rem;
    text-align: left;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-font .ch {
    font: 400 14px/20px '微软雅黑';
    color: #003b74;
}

.part1-font .en {
    margin: 5px 0 10px;
    font: 400 12px/18px '微软雅黑';
    color: #003b74;
    opacity: 0.24;
}

.part1-more {
    text-align: left;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part1-more a {
    display: block;
    width: 100px;
    font: 400 16px/30px '微软雅黑';
    color: #003b74;
    background: url(../images/arrow_next.png) no-repeat right center;
}

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

.part1-font.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.7s;
}

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


/* part2 */
.part2 {
    padding: 0 0 0.1rem;
}

.part2-main {
    width: 100%;
}

.part2-main ul {
    display: block;
}

.part2-main ul li {
    position: relative;
    padding: 0 0 0.1rem;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part2-main ul li i {
    display: block;
}

.part2-main ul li i img {
    width: 100%;
}

.part2-main ul li a {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 2rem 0.4rem 0;
    background: url(../images/part2_line.png) no-repeat 0 1rem;
}

.part2-li-icon {
    padding: 0 0 0.6rem;
    text-align: left;
}

.part2-li-ch {
    padding: 0 0 0.7rem;
    font: 400 14px/16px '微软雅黑';
    color: #34b2ff;
}

.part2-li-ch p:nth-child(1) {
    font-size: 16px;
}

.part2-li-en {
    padding: 0 0 0.8rem;
    font: 400 12px/14px '微软雅黑';
    color: #a9e4ff;
    text-transform: uppercase;
}

.part2-li-more {
    width: 110px;
}

.part2-li-more span {
    position: relative;
    display: block;
    padding-right: 20px;
    text-align: center;
    font: 400 12px/20px '微软雅黑';
    color: #fff;
    border: 1px solid #fff;
    border-radius: 12px;
}

.part2-li-more span::before {
    content: '';
    position: absolute;
    z-index: 5;
    right: -1px;
    top: 0;
    width: 20px;
    height: 20px;
    background: url(../images/arrow_b.png) no-repeat right center/100%;
}

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

/* part3 */
.part3 {
    position: relative;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part3 i {
    display: block;
}

.part3 i img {
    width: 100%;
}

.part3-layer {
    display: block;
    position: absolute;
    z-index: 10;
    left: 0;
    top: 1rem;
    width: 100%;
    text-align: center;
}

.part3-layer img {
    width: 8.5rem;
}

/* 动画 */
.part3.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}

/* part4 */
.part4 {
    background: #fff url(../images/mpart4_bg.png) no-repeat center bottom/100%;
}

.part4-main {
    width: 100%;
    padding: 0 0.3rem;
}

.part4-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0.6rem 0;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part4-title {
    font: 400 18px/20px '微软雅黑';
    color: #003b74;
}

.part4-nav ul {
    display: flex;
}

.part4-nav ul li {
    padding: 0 0 0 0.2rem;
}

.part4-nav ul a {
    display: block;
    font: 400 14px/20px '微软雅黑';
    color: #666666;
}

.part4-box {
    display: block;
    padding: 0 0 2.4rem 2.4rem;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part4-box a {
    display: block;
}

.new-img {
    position: relative;
    overflow: hidden;
}

.new-img i {
    display: block;
}

.new-img img {
    width: 100%;
    transition: 0.3s;
}

.new-time {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100px;
    font: 400 12px/20px '微软雅黑';
    color: #fff;
    text-align: center;
    background: #3099ff;
}

.new-font {
    padding: 0.3rem;
    border: 1px solid #004483;
    border-top: 0;
}

.new-title {
    height: 40px;
    overflow: hidden;
    font: 400 16px/20px '微软雅黑';
    color: #000;
}

.new-p {
    height: 60px;
    margin: 10px 0 0;
    overflow: hidden;
    font: 400 14px/20px '微软雅黑';
    color: #666666;
    text-align: justify;
}

/* 动画 */
.part4-top.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}

.part4-box.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}


/* part5 */
.part5 {
    padding: 0.6rem 0.3rem 0.3rem;
}

.part5-main {
    display: block;
}

.part5-left {
    padding: 1rem 0;
    background: url(../images/part5_img1.png) no-repeat center center/cover;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part5-title {
    padding: 0 0 0.4rem;
    text-align: center;
}

.part5-title .ch {
    font: 400 16px/18px '微软雅黑';
    color: #fff;
}

.part5-title .en {
    font: 400 14px/16px '微软雅黑';
    color: #fff;
    opacity: 0.1;
    transform: translate3d(0, -5px, 0);
}

.part5-detail {
    padding: 0 0 1.2rem;
    font: bold 16px/20px '微软雅黑';
    color: #fff;
    text-align: center;
}

.part5-more a {
    display: block;
    text-align: center;
}

.part5-right {
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.part5-right img {
    width: 100%;
}

/* 动画 */
.part5-left.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}

.part5-right.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: 0.6s 0.8s;
}


.link {
    display: block;
    padding: 0.4rem 0.3rem;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
}

.link-title {
    padding: 0 0 0 0.4rem;
    color: #000;
    background: url(../images/link_left.png) no-repeat 0 center/3px;
}

.link-title .ch {
    font: 400 16px/20px '微软雅黑';
}

.link-title .ch span {
    color: #004483;
}

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

.link-box {
    position: relative;
    margin: 0.6rem 0 0;
    border: 1px solid #dcdcdc;
}

.link-box::before {
    content: '';
    position: absolute;
    z-index: 10;
    left: 0;
    top: -15px;
    width: 100%;
    height: 15px;
    background: url(../images/link_three.png) no-repeat 0.8rem 0/auto 15px;
}

.link-box ul {
    display: flex;
    flex-wrap: wrap;
    padding: 0.3rem;
}

.link-box ul li {
    padding: 4px 2px 4px 6px;
}

.link-box ul a {
    display: block;
    padding: 0 0 0 4px;
    font: 400 12px/16px '微软雅黑';
    color: #000;
    border-left: 1px solid #dcdcdc;
}

.link-box ul a:hover {
    color: #004483;
}

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