body {
    background: #fff;
}
/*
.video {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: url(../images/video_img.jpg) no-repeat center center/cover;
}
*/
.video-btn {
    position: absolute;
    z-index: 80;
    left: 0;
    bottom: 5vw;
    width: 100%;
    text-align: center;
}

.video-btn img {
    width: 10vw;
}

.part1 {
    padding: 3vw 0 0;
    background: #fff;
}

.part1-ad {
    text-align: center;
}

.part1-ad img {
    width: 31vw;
}

.part1-detail {
    padding: 1vw 0 1.8vw;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #000;
    text-align: center;
}

.part1-main {
    position: relative;
    display: flex;
    justify-content: space-between;
}

.part1-left {
    width: 50%;
    display: flex;
    align-items: center;
}

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

.part1-right {
    display: flex;
    width: 50%;
    padding: 0 0 14vw;
    background: #fafafa url(../images/part1_logo.png) no-repeat 30vw 16vw/20vw;
}

.part1-nav {
    width: 12vw;
    padding: 6vw 3vw 0 0;
}

.part1-nav ul li {
    padding: 0 0 1vw;
    text-align: right;
}

.part1-nav ul a {
    display: block;
    padding: 0 0 1vw;
    font-size: 1vw;
    line-height: 1.2vw;
    color: #000;
}

.part1-nav ul a:hover {
    color: #e00c1d;
    background: url(../images/arrow_red.png) no-repeat right bottom/0.9vw;
}

.part1-box {
    width: 28vw;
    padding: 6vw 0 0;
    background: url(../images/part1_shu.png) no-repeat 0 0/1px 25vw;
}

.part1-title {
    margin: 0 0 1.6vw;
    padding-left: 1.8vw;
    background: url(../images/part1_red.png) no-repeat 0 center/3px 100%;
}

.part1-title .ch {
    font-weight: bold;
    font-size: 1.2vw;
    color: #1a338f;
}

.part1-title .en {
    font-size: 12px;
    line-height: 16px;
    color: #000;
    text-transform: uppercase;
}

.part1-p {
    height: 12.8vw;
    padding-left: 1.8vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.6vw;
    color: #000000;
}

.part1-more {
    width: 6vw;
    margin-top: 0.8vw;
}

.part1-more a {
    display: block;
    font-size: 0.8vw;
    line-height: 1.8vw;
    text-align: center;
    color: #fff;
    background: #1a338f;
    border: 1px solid #1a338f;
}

.part1-more a:hover {
    color: #1a338f;
    background: #fff;
}

.part1-ul {
    display: flex;
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 64vw;
    margin-left: -32vw;
}

.part1-li {
    width: 33.33%;
}

.part1-li a {
    display: block;
    position: relative;
    height: 8.2vw;
    overflow: hidden;
    padding: 2vw 0 0;
    text-align: center;
    transition: 0.3s;
}

.part1-li-icon {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 3vw;
    height: 3vw;
    margin: 0 auto;
    background: url(../images/part1_shape.png) no-repeat center center;
}

.part1-li-icon img {
    width: 0.9vw;
}

.part1-li-name {
    position: relative;
    z-index: 10;
    margin-top: 0.5vw;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #fff;
}

.part1-li i {
    display: block;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    transform: scale(1.1);
}

.part1-li a i img {
    width: 100%;
    transition: 0.3s;
}

.part1-li a:hover {
    padding-top: 2.5vw;
}

.part1-li a:hover i img {
    transform: translate3d(0, -15px, 0);
}


/* part2 */

.part2 {
    padding: 4.8vw 0 0;
}

.part2-main {
    width: 64vw;
    margin: 0 auto;
}

.part2-top {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 4vw;
}

.part2-title {
    text-align: left;
}

.part2-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #1a338f;
}

.part2-title .en {
    font-size: 3vw;
    line-height: 3vw;
    color: #000000;
}

.part2-p {
    position: absolute;
    z-index: 1;
    left: -5.6vw;
    top: -2vw;
}

.part2-more {}

.part2-more a {
    display: block;
    padding-right: 2vw;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #1a338f;
    background: url(../images/arrow_blue.png) no-repeat right center;
    transition: 0.3s;
}

.part2-more a:hover {
    transform: translate3d(-10px, 0, 0);
}

.part2-nav {
    padding: 1.8vw 0;
}

.part2-nav ul {
    display: flex;
    justify-content: space-between;
}

.part2-nav ul li {
    width: 14.5vw;
}

.part2-nav ul a {
    display: flex;
    align-items: center;
    padding: 0 1vw;
    background: url(../images/part2_nav_li.png) no-repeat center center/100% 80%;
}

.part2-nav-img {
    width: 5.2vw;
    height: 5.2vw;
    padding: 0.3vw;
    background: #fff;
    border: 0.15vw solid #e5e5e5;
    border-radius: 50%;
    transition: 0.3s;
}

.part2-nav-img img {
    width: 100%;
    border-radius: 50%;
}

.part2-nav-font {
    padding-left: 1.5vw;
    font-size: 1vw;
    line-height: 1.8vw;
    color: #000000;
    transition: 0.3s;
}

.part2-nav ul a:hover {
    background-image: url(../images/part2_nav_lia.png);
}

.part2-nav ul a:hover .part2-nav-img {
    border-color: #1a338f;
    transform: rotate(360deg);
}

.part2-nav ul a:hover .part2-nav-font {
    color: #1a338f;
    transform: translate3d(-0.2vw, 0, 0);
}

.part2-box {
    padding: 0;
}

.part2-box ul {
    display: flex;
    flex-wrap: wrap;
}

.part2-box ul li {
    width: 50%;
    padding: 1vw;
}

.part2-box ul li a {
    display: flex;
    justify-content: space-between;
    padding: 1.5vw;
    color: #000;
    background: url(../images/part2_li_bg.jpg) no-repeat center center/cover;
}
.part2-box ul li a img{
    width: 180px;
}


.part2-li-font {
    padding: 2.4vw 0 0;
    text-align: left;
}

.part2-li-kind {
    width: 7.2vw;
    padding: 0 0.6vw;
    font-size: 1vw;
    line-height: 1.8vw;
    border: 1px solid #000;
    border-radius: 1vw;
}

.part2-li-kind span {
    display: block;
    background: url(../images/arrow_b.png) no-repeat right center;
}

.part2-li-name {
    margin: 2.4vw 0 0;
    font-size: 1.5vw;
    line-height: 1.8vw;
}

.part2-li-type {
    padding: 1.2vw 0 0;
    font-size: 1vw;
    line-height: 1.5vw;
}

.part2-li-weight {
    font-size: 0.8vw;
    line-height: 1vw;
}

.part2-box ul li a:hover {
    color: #fff;
    background-image: url(../images/part2_lia_bg.jpg);
}

.part2-box ul li a:hover .part2-li-kind {
    border-color: #fff;
}

.part2-box ul li a:hover .part2-li-kind span {
    background-image: url(../images/arrow_w.png);
}

.part3 {
    padding: 3vw 0 0;
}

.part3-top {
    position: relative;
}

.part3-ad {
    padding-left: 18vw;
    font-size: 1.5vw;
    line-height: 2vw;
    color: #1b338f;
}

.part3-ad span {
    color: #e00c1d;
}

.part3-en {
    font-size: 4.5vw;
    line-height: 5vw;
    color: #efefef;
    text-transform: uppercase;
}

.part3-logo {
    position: absolute;
    z-index: 1;
    right: 18vw;
    top: 0;
}

.part3-main {
    position: relative;
    padding: 4vw 18vw 0 44vw;
    background: url(../images/part3_bg.jpg) no-repeat center 0/cover;
}

.part3-left {
    display: flex;
    justify-content: space-between;
    position: absolute;
    z-index: 10;
    left: 12vw;
    top: 3vw;
    width: 36vw;
}

.part3-slide {
    width: 6.4vw;
}

.part3-slide-font {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    font-size: 0.9vw;
    line-height: 1;
    color: #fff;
}

.part3-slide-font .ch {
    padding: 0 2px;
    writing-mode: vertical-lr;
}

.part3-slide-font .en {
    writing-mode: vertical-lr;
    opacity: 0.25;
}

.part3-slide-logo {
    padding: 1.5vw 0 0;
}

.part3-slide-logo img {
    width: 6.4vw;
}

.part3-box {
    width: 30vw;
    margin: 0 0 2.6vw;
    padding: 7vw 0 0;
}

.part3-img {
    border: 0.5vw solid #fff;
}

.part3-img img {
    width: 100%;
}

.part3-title {
    position: relative;
    padding: 2.4vw 0 0;
    text-align: left;
}

.part3-title .ch {
    font-size: 1.5vw;
    line-height: 1.6vw;
    color: #fff;
}

.part3-title .en {
    padding: 0.4vw 0;
}

.part3-title .en img {
    width: 20vw;
}

.part3-n {
    position: absolute;
    z-index: 1;
    left: -17.4vw;
    top: -6vw;
}

.part3-n img {
    width: 20vw;
}

.part3-detail {
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #fff;
}

.part3-nav {
    position: relative;
    z-index: 80;
    padding: 1.8vw 0 0;
}

.part3-nav ul {
    display: flex;
}

.part3-nav ul li {
    padding-right: 1.2vw;
}

.part3-nav ul a {
    display: block;
    width: 6vw;
    font-size: 0.9vw;
    line-height: 2vw;
    color: #000;
    text-align: center;
    background: #fff;
    border-radius: 1vw;
}

.part3-nav ul a:hover {
    color: #fff;
    background: #1a338f;
}

.part3-right {
    background: rgba(255, 255, 255, 0.8);
}

.part3-right ul {
    padding: 4vw 6vw;
}

.part3-right ul li {
    padding: 1px 0;
}

.part3-right ul a {
    display: block;
    color: #000;
    padding: 1.4vw 0;
    border-bottom: 1px solid #000000;
}

.part3-li-title {
    margin: 0 0 1.5vw;
    font-size: 1.2vw;
    line-height: 1.5vw;
}

.part3-li-p {
    height: 4.8vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.part3-li-time {
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.part3-right ul a:hover {
    color: #1a338f;
}