body {
    background: #fff;
}

.video {
    position: relative;
    z-index: 1;
    height: 100vh;
    overflow: hidden;
    background: url(../images/video.jpg) no-repeat center 0/cover;
}

.video-font {
    position: absolute;
    z-index: 10;
    right: 8vw;
    top: 14vw;
}

.video-font img {
    width: 40vw;
}

header {
    display: block;
    position: absolute;
    z-index: 20;
    left: 0;
    top: 80vh;
    width: 100%;
    padding: 0 8vw;
    background: none;
}

.head {
    background: rgba(255, 255, 255, 0.8);
}


/* part1 */

.part1 {
    padding: 3vw 0 0;
}

.part1-main {
    display: flex;
    justify-content: space-between;
    width: 62.5vw;
    margin: 0 auto;
}

.part1-left {
    width: 30vw;
}

.part1-name {
    text-align: left;
}

.part1-name .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #000;
}

.part1-name .en {
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #999999;
}

.part1-line {
    margin: 1.6vw 0;
}

.part1-line img {
    width: 1.1vw;
}

.part1-p {
    height: 8.4vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.4vw;
    color: #000;
}

.part1-more {
    margin: 1vw 0 0;
}

.part1-more a {
    display: block;
    width: 10vw;
    padding: 0.8vw 0;
    font-size: 0.9vw;
    line-height: 1.4vw;
    text-align: center;
    color: #000;
    border: 1px solid #999999;
}

.part1-more a:hover {
    color: #fff;
    background: #db5f2c;
    border-color: #db5f2c;
}

.part1-right {
    width: 28vw;
    padding: 4.5vw 0 0;
}

.part1-right ul {
    display: flex;
    flex-wrap: wrap;
}

.part1-right ul li {
    width: 50%;
    padding: 0.4vw;
    cursor: pointer;
}

.part1-li-box {
    display: flex;
    padding: 1.5vw;
    color: #000;
    background: #f7f7f7;
    transition: 0.3s;
}

.part1-right ul li:nth-child(1) .part1-li-box {
    color: #fff;
    background: #038c53;
}

.part1-right ul li:nth-child(4) .part1-li-box {
    color: #fff;
    background: #db5f2c;
}

.part1-li-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 3vw;
    height: 3vw;
    background: #fff;
    border-radius: 50%;
}

.part1-li-icon img {
    width: 2vw;
}

.part1-li-font {
    padding: 0 0 0 1vw;
}

.part1-li-name {
    font-size: 0.9vw;
    line-height: 1.4vw;
}

.part1-li-num {
    display: flex;
    align-items: flex-end;
    font-size: 1vw;
    line-height: 1;
}

.part1-li-num span {
    font-size: 1.5vw;
}

.part1-right ul li:hover .part1-li-box {
    transform: translate3d(0, -0.3vw, 0);
    box-shadow: 0 0 4px #999;
}

.part1-bottom {
    position: relative;
    height: 14vw;
    margin: 3vw 0 0;
    overflow: hidden;
}

.part1-bottom ul {
    display: flex;
    position: absolute;
    left: 0;
    top: 0;
}

.part1-bottom ul li {
    position: relative;
    width: 25vw;
    margin: 0 2px;
    overflow: hidden;
    background: #db5f2c;
    cursor: pointer;
}

.part1-bottom i {
    display: block;
    transition: 0.6s;
}

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

.part1-bottom .li-layer {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 0 1.5vw;
    opacity: 0;
    transform: translate3d(0, 50%, 0);
    transition: 0.6s;
}

.li-layer-en {
    padding: 1vw 0;
    text-align: right;
}

.li-layer-en img {
    width: 9.4vw;
}

.li-layer-logo img {
    width: 6vw;
}

.part1-bottom ul li:hover i {
    opacity: 0.2;
}

.part1-bottom ul li:hover .li-layer {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}


/* part2 */

.part2 {
    padding: 4.5vw 0;
    background: url(../images/part2_bg.jpg) no-repeat center 0/cover;
}

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

.part2-title .en {
    font-size: 4.8vw;
    line-height: 5vw;
    color: #9f9f9f;
}

.part2-title .ch {
    font-size: 2.4vw;
    line-height: 3vw;
    color: #007947;
}

.part2-title .ch span {
    padding: 0 1vw;
    color: #db5f2c;
}

.part2-main {
    position: relative;
    width: 72vw;
    margin: 1vw auto 0;
}

.part2-ul {
    perspective: 1000px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.part2-li {
    position: relative;
    width: 28vw;
    height: 13.2vw;
    padding: 1.2vw 5vw 0;
    cursor: pointer;
}

.part2-li-box {
    position: relative;
    padding: 2vw 2.5vw 2.5vw;
    color: #000;
    background: #f7f7f7;
}

.part2-li:nth-child(2n+1) .part2-li-box {
    border-radius: 1vw 0 0 1vw;
}

.part2-li:nth-child(2n) .part2-li-box {
    border-radius: 0 1vw 1vw 0;
}

.part2-li-name {
    position: relative;
    z-index: 5;
    font-size: 1.2vw;
    line-height: 1.8vw;
}

.part2-li-p {
    position: relative;
    z-index: 10;
    height: 4.8vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.part2-li-en {
    position: absolute;
    z-index: 3;
    left: 2.5vw;
    bottom: 0;
    font-size: 14px;
    line-height: 16px;
    color: #dddddd;
}

.part2-li-shape {
    position: absolute;
    z-index: 1;
    bottom: 0;
    width: 10vw;
    height: 100%;
    background: url(../images/shape.png) no-repeat 0 0/100% 100%;
}

.part2-li:nth-child(1) .part2-li-shape {
    right: -10vw;
    transform: rotateX(180deg) rotateY(0);
}

.part2-li:nth-child(2) .part2-li-shape {
    left: -10vw;
    transform: rotateX(180deg) rotateY(180deg);
}

.part2-li:nth-child(3) .part2-li-shape {
    right: -10vw;
    transform: rotateX(0) rotateY(0);
}

.part2-li:nth-child(4) .part2-li-shape {
    left: -10vw;
    transform: rotateX(0) rotateY(180deg);
}

.part2-li-num {
    position: absolute;
    z-index: 2;
    font-size: 8vw;
    line-height: 1;
    color: #ededed;
    letter-spacing: -0.8vw;
}

.part2-li:nth-child(1) .part2-li-num {
    top: -1vw;
    right: -2vw;
}

.part2-li:nth-child(2) .part2-li-num {
    top: -1vw;
    left: -2vw;
}

.part2-li:nth-child(3) .part2-li-num {
    right: -2vw;
    bottom: -0.6vw;
}

.part2-li:nth-child(4) .part2-li-num {
    left: -2vw;
    bottom: -0.6vw;
}

.part2-circle {
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -11.6vw 0 0 -11.6vw;
}

.part2-circle img {
    width: 23.2vw;
    border-radius: 50%;
    transform-origin: center center;
}

.part2-li:hover .part2-li-box {
    color: #fff;
    background-color: #027242;
}

.part2-li:hover .part2-li-shape {
    background-image: url(../images/shapea.png);
}

.part2-li:hover .part2-li-num {
    color: #038c53;
}


/* part3 */

.part3-title {
    width: 62.5vw;
    margin: 0 auto;
    padding: 3vw 0;
}

.part3-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #db5f2c
}

.part3-title .ch span {
    color: #007947;
}

.part3-title .en {
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.part3-main {
    position: relative;
    padding: 0 0 5.6vw;
}

.part3-img {
    position: relative;
    z-index: 1;
    width: 72vw;
}

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

.part3-slide {
    position: absolute;
    z-index: 10;
    left: 5vw;
    top: 4.5vw;
    width: 1.2vw;
    font-size: 1vw;
    line-height: 1;
    color: #fff;
    text-align: center;
}

.part3-en {
    position: absolute;
    z-index: 5;
    left: 8vw;
    bottom: 0;
    padding: 10vw 0 0;
    background: url(../images/part3_shu.png) no-repeat center 0;
}

.part3-en img {
    width: 6.8vw;
}

.part3-pic {
    position: absolute;
    z-index: 10;
    left: 16vw;
    bottom: 0;
    width: 70vw;
    height: 24vw;
    overflow: hidden;
}

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

.part3-pic ul li {
    width: 35.2vw;
    padding: 0 1.2vw;
}

.part3-pic ul a {
    display: block;
    overflow: hidden;
}

.part3-pic ul a img {
    width: 100%;
    transition: 0.6s;
}

.part3-pic ul a:hover img {
    transform: scale(1.1);
}

.part3-ul {
    position: absolute;
    z-index: 10;
    left: 74vw;
    top: 0;
    width: 10vw;
}

.part3-li {
    border-bottom: 1px dashed #000;
}

.part3-li a {
    display: block;
    font-size: 1.2vw;
    line-height: 3vw;
    color: #000;
    background: url(../images/arrow_b.png) no-repeat right center;
}

.part3-li a:hover {
    color: #038c53;
    background-image: url(../images/arrow_g.png);
}


/* part4 */

.part4 {
    padding: 0;
}

.part4-main {
    width: 72vw;
    margin: 0 auto 3vw;
}

.part4-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 3vw 0;
}

.part4-title {
    width: 64vw;
    margin: 0 auto;
}

.part4-title .ch {
    font-size: 1.5vw;
    line-height: 1.8vw;
    color: #db5f2c;
}

.part4-title .ch span {
    color: #007947;
}

.part4-title .en {
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.part4-more {
    margin: 1vw 0 0;
}

.part4-more a {
    display: block;
    width: 10vw;
    padding: 0.8vw 0;
    font-size: 0.9vw;
    line-height: 1.4vw;
    text-align: center;
    color: #000;
    border: 1px solid #999999;
}

.part4-more a:hover {
    color: #fff;
    background: #db5f2c;
    border-color: #db5f2c;
}

.part4-box {
    display: flex;
    justify-content: space-between;
}

.part4-left {
    width: 33.4vw;
}

.part4-left a {
    display: block;
    overflow: hidden;
}

.new-a-img {
    overflow: hidden;
}

.new-a-img img {
    width: 100%;
    transition: 0.6s;
}

.new-a-box {
    display: flex;
    justify-content: space-between;
    padding: 1.6vw;
    color: #000;
    border: 1px solid #e0e0e0;
    border-top: 0;
}

.new-a-time {
    width: 4.5vw;
    height: 3.4vw;
    border-right: 1px solid #e0e0e0;
}

.new-a-time .day {
    font-weight: bold;
    font-size: 2.4vw;
    line-height: 2.4vw;
}

.new-a-time .year {
    font-size: 0.9vw;
    line-height: 1vw;
}

.new-a-font {
    width: 24.4vw;
}

.new-a-title {
    font-weight: bold;
    font-size: 1.2vw;
    line-height: 1.2vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.new-a-p {
    height: 3.6vw;
    margin: 0.8vw 0 0;
    overflow: hidden;
    font-size: 0.8vw;
    line-height: 1.2vw;
}

.part4-left a:hover .new-a-img img {
    transform: scale(1.1);
}

.part4-left a:hover .new-a-box {
    color: #fff;
    background: #007947;
}

.part4-right {
    width: 36.8vw;
}

.part4-right ul li {
    padding: 0 0 1.6vw;
}

.part4-right ul li:last-child {
    padding: 0;
}

.part4-right ul a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2vw;
    color: #000;
    border: 1px solid #e0e0e0;
    transition: 0.3s transform;
}

.new-li-font {
    width: 28.2vw;
    padding-right: 1vw;
    border-right: 1px solid #e0e0e0;
}

.new-li-title {
    font-size: 1.2vw;
    line-height: 1.2vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.new-li-p {
    height: 3.6vw;
    margin: 0.8vw 0 0;
    overflow: hidden;
    font-size: 0.8vw;
    line-height: 1.2vw;
}

.new-li-time {
    width: 5vw;
    height: 3.4vw;
    text-align: center;
}

.new-li-time .day {
    font-weight: bold;
    font-size: 2.4vw;
    line-height: 2.4vw;
}

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

.part4-right ul a:hover {
    color: #fff;
    background: #038c53;
    transform: translate3d(-0.5vw, 0, 0);
}