body {
    background: #fff;
}

/* 动画基地 */
.animated_visible {}


/* 第1部分 */
.part1 {
    position: relative;
}

.banner {
    overflow: hidden;
    background: #fff;
}

.banner i {
    position: relative;
    z-index: 3;
    display: block;
}

.banner img {
    width: 100%;
}

video {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
}

.part1-slide {
    position: absolute;
    z-index: 15;
    right: 50px;
    bottom: 0;
    padding: 0 0 360px;
    background: url(../images/slide_line.png) no-repeat center bottom;
}

.part1-slide i {
    display: block;
    width: 36px;
    text-align: center;
}



/* 第二部分 */
.part2 {
    padding: 3.5% 0 0;
    background: #f0f0f0 url(../images/part2_line.png) no-repeat center bottom;
}

.part2-bg {
    background: url(../images/part2_bg.jpg) no-repeat center 200px/92%;
    transition: 1.2s;
}

.part2-bg.animated_visible {
    background-position: center 0;
}

.part2-main {
    width: 1200px;
    margin: 0 auto;
}

.part2-title {
    padding: 400px 0 50px;
    text-align: center;
}

.part2-detail {
    padding: 0 0 110px 30px;
    font: 400 16px/24px '微软雅黑';
    color: #63b4ad;
    text-align: center;
    letter-spacing: 30px;
}

.part2-box {
    min-height: 125px;
    margin: 0 0 50px;
    padding: 25px 0 0 320px;
    background: url(../images/part2_since.png) no-repeat 32px 0;
}

.part2-box p {
    font: 400 16px/30px '微软雅黑';
    color: #000;
    text-align: justify;
}

.part2-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 0 30px 35px;

}

.part2-bottom a {
    font: 400 14px/30px "微软雅黑";
    color: #000;
    transition: 0.6s;
}

.part2-bottom a:hover {
    color: #63b4ad;
    letter-spacing: 5px;
}

/* 第三部分 */
.part3 {
    perspective: 1000px;
    position: relative;
    z-index: 10;
    padding: 0 0 95px;
    background: #fff url(../images/part3_bg.jpg) repeat-y center 0/92%;
}

.part3-nav {
    padding: 140px 0 60px;
    opacity: 0;
    transform: translate3d(-50%, 0, 0);
    transition: 1.2s;
}

.part3-nav ul {
    display: flex;
    justify-content: center;

}

.part3-nav ul li {
    padding: 0 48px;
}

.part3-nav ul li a {
    display: block;
    position: relative;
    width: 100px;
}

.part3-nav a span {
    display: block;
    font: bold 120px/1 'SimSun';
    color: #4c4c4c;
    text-align: left;
}

.part3-nav a i {
    position: absolute;
    z-index: 5;
    left: -5px;
    bottom: 50px;
}

.part3-nav a p {
    margin: 50px 0 0;
    font: 400 18px/30px '微软雅黑';
    color: #000;
    text-align: center;
    transition: 0.6s;
}

.part3-nav ul li a:hover p {
    color: #373a98;
    transform: translate3d(0, -6px, 0);
}


.part3-box {
    position: relative;
    height: 238px;
    opacity: 0;
    transform: rotateX(75deg);
    transform-origin: center bottom;
    transition: 1.2s;
}

.part3-box ul {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
}

.part3-box ul li {
    width: 375px;
    padding: 0 5px;
}

.part3-box ul a {
    perspective: 1000px;
    display: block;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.part3-box a i {
    display: block;
    transition: 0.6s;
}

.part3-box i img {
    width: 100%;
    height: 238px;
}

.pic-li-layer {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 25px;
    background: rgba(99, 180, 173, 0.8);
    border: 5px solid #373a98;
    opacity: 0;
    transform: rotateX(60deg);
    transform-origin: center 0;
    transition: 0.6s;
}

.pic-li-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.pic-li-name {
    font: 400 16px/30px '微软雅黑';
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.part3-box ul a:hover i {
    transform: translate3d(0, -2%, 0) scale(1.05);
}

.part3-more {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0;
    bottom: -85px;
    width: 100%;
    height: 180px;
    background: url(../images/part3_bg.jpg) repeat-y center 0/92%;
    opacity: 0;
    transform: rotateX(75deg);
    transition: 1s;
}

.part3-more a {
    font: 400 14px/30px '微软雅黑';
    color: #000;
    text-align: center;
    transition: 0.6s;
}

.part3-more a:hover {
    letter-spacing: 5px;
    color: #63b4ad;
}

.part3-nav.animated_visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.part3-box.animated_visible {
    opacity: 1;
    transform: rotateX(0);
}



/* 第4部分 */
.part4 {
    perspective: 1000px;
    position: relative;
    z-index: 5;

    background: url(../images/part4_bg.jpg) no-repeat center 0/cover;
}

.part4-title {
    padding: 230px 0 80px;
    text-align: center;
    color: #fff;
}

.part4-ch {
    font: 400 30px/36px "微软雅黑";
}

.part4-en {
    font: 400 14px/18px "微软雅黑";
}


.part4-box {
    border-top: 1px solid #a0e1df;
    opacity: 0;
    transform: rotateX(-60deg);
    transform-origin: center 0;
    transition: 1.2s;
}

.part4-box ul {
    display: flex;
    width: 1200px;
    margin: 0 auto;
    border-left: 1px solid #a0e1df;
}

.part4-box ul li {
    width: 33.3%;
    border-right: 1px solid #a0e1df;
}

.part4-box ul a {
    position: relative;
    display: block;
    padding: 64px 20px 0;
    color: #fff;
    background: url(../images/new_li_bg.png) no-repeat 0 0/100% 0;
    transition: 0.6s background;
}

.part4-box ul a::before {
    content: '';
    position: absolute;
    left: 0;
    top: -4px;
    left: 0;
    width: 0;
    height: 5px;
    background: #354d95;
    transition: 0.6s;
}

.new-li-title {
    overflow: hidden;
    font: 400 24px/30px "微软雅黑";
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: 0.6s;
}

.new-li-time {
    padding: 10px 0 20px;
    font: 400 14px/24px "微软雅黑";
    transition: 0.6s;
}

.new-li-img img {
    width: 100%;
}

.new-li-p {
    height: 150px;
    margin: 18px 0 0;
    overflow: hidden;
    font: 400 16px/30px '微软雅黑';
}

.part4-box ul a:hover {
    color: #000;
    background-size: 100% 100%;
}

.part4-box ul a:hover::before {
    width: 100%;
}

.part4-box ul a:hover .new-li-title {
    color: #373a98;
    transform: translate3d(0, -20px, 0);
}

.part4-box ul a:hover .new-li-time {
    transform: translate3d(0, -20px, 0);
}

.part4-more {
    display: flex;
    justify-content: center;
    padding: 100px 0;
}

.part4-more a {
    font: 400 14px/30px "微软雅黑";
    color: #fff;
    transition: 0.6s;
}

.part4-more a:hover {
    letter-spacing: 10px;
}

.part4-box.animated_visible {
    opacity: 1;
    transform: rotateX(0);
}

/* 第五部分 */
.part5 {
    perspective: 1000px;
}

.part5-animate {
    position: relative;
    height: 500px;
}

.part5-title {
    width: 240px;
    margin: 0 auto;
    font: 400 24px/60px "微软雅黑";
    text-align: center;
}

.part5-title a {
    display: block;
    color: #fff;
    background: url(../images/blue.jpg) no-repeat center 0 /190px 100%;
    transition: 0.6s;
}

.part5-title a:hover {
    background-size: 260px 100%;
}

.part5-img {
    text-align: center;
    opacity: 0;
    transform: rotateX(-60deg);
    transform-origin: center 0;
    transition: 1.2s;
}

.part5-img.animated_visible {
    opacity: 1;
    transform: translateX(0);
}

/* 动画 */
.part5-li {
    position: absolute;
    left: 20%;
    top: 25%;
    display: block;
}


.part5-li a {
    display: flex;
    width: 360px;
    padding: 3px;
    background: #e5e7ed;
    border-radius: 60px;
}

.part5-li a i {
    width: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.part5-p {
    width: 265px;
    height: 40px;
    overflow: hidden;
    margin: 15px 0 0 12px;
    font: 400 14px/20px '微软雅黑';
    color: #000000;
}