body {
    background: #fff;
}

header {
    position: absolute;
    z-index: 90;
    left: 0;
    top: 0;
    width: 100%;
}

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

.video-layer {
    position: absolute;
    z-index: 10;
    left: 2.5vw;
    top: 18vw;
}

.video-layer img {
    width: 11vw;
}

.fix-slide {
    position: fixed;
    z-index: 50;
    right: 1.5vw;
    top: 10vw;
}

.fix-slide li {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 80px;
    height: auto;
    margin: 0 0 25px;
    padding: 0 10px 0 5px;
    background: #c8000a;
    border-radius: 30px;
}

.fix-slide li i {
    display: block;
    text-align: center;
}

.fix-slide li span {
    display: block;
    font-size: 16px;
    line-height: 36px;
    color: #fff;
    text-align: center;
}

.fix-slide li p {
    position: absolute;
    z-index: -1;
    right: 64px;
    top: 0;
    width: 145px;
    font-size: 14px;
    line-height: 36px;
    color: #fff;
    text-align: center;
    background: #000;
    border-radius: 30px 0 0 30px;
    opacity: 0;
    transform: translate3d(100%, 0, 0);
    transition: 0.3s;
}

.fix-slide li:nth-child(2) p {
    width: 250px;
}

.fix-slide li:hover p {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}


/* 第1部分 */

.part1 {
    position: relative;
    padding: 0 0 3vw;
    background: url(../images/part1_bg.jpg) no-repeat center 0/cover;
}

.part1-main {
    width: 72vw;
    margin: 0 auto;
}

.part1-top {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 10;
    padding: 7vw 5vw 0;
}

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

.part1-title .en {
    font-weight: bold;
    font-size: 3vw;
    line-height: 3.2vw;
    color: #c8000a;
}

.part1-title .ch {
    padding: 0 0 0.6vw;
    font-size: 1.5vw;
    line-height: 1.6vw;
    background: url(../images/part_xie.png) no-repeat 7.2vw bottom/1.2vw;
}

.part1-box {
    position: relative;
    z-index: 1;
    margin-top: -4vw;
    padding: 5vw 5vw 4vw;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1vw;
}

.part1-p {
    height: 18vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.5vw;
    color: #000;
}

.part1-more {
    width: 7vw;
}

.part1-more a {
    display: block;
    padding: 0 2vw 0 0.8vw;
    font-size: 0.8vw;
    line-height: 2vw;
    color: #000;
    background: url(../images/part_arrow.png) no-repeat 4.5vw center;
    border: 1px solid #000;
    border-radius: 18px;
    transition: 0.3s;
}

.part1-more a:hover {
    transform: translate3d(1vw, 0, 0);
}

.part1-nav {
    position: relative;
}

.part1-nav ul {
    display: flex;
    padding: 0.78vw 0 0;
}

.part1-nav ul li {
    padding: 0 0.6vw;
}

.part1-nav ul a {
    display: block;
    width: 4.5vw;
    height: 6vw;
    padding: 2vw 0 0;
    font-size: 0.9vw;
    line-height: 1.8vw;
    text-align: center;
    color: #fff;
    transition: 0.8s transform;
}

.part1-nav ul a span {
    display: block;
    background: rgba(0, 0, 0, 0.5);
}

.part1-nav ul a:hover {
    background: url(../images/part1_nav.png) no-repeat center 0/100%;
    transform: translate3d(0, -2vw, 0);
}

.part1-nav ul a:hover span {
    background: none;
}


/* 第2部分 */

.part2 {
    position: relative;
    padding: 3.5vw 0 8vw;
    background: #fff url(../images/part2_bg.jpg) no-repeat center bottom/100%;
    border-bottom: 0.6vw solid #fff;
}

.part2-main {
    width: 70vw;
    margin: 0 auto;
}

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

.part2-left {
    width: 46.5vw;
}

.part2-map {
    position: relative;
}

.part2-map i {
    display: block;
}

.part2-map i img {
    width: 41vw;
}

.part2-icon {
    position: absolute;
    z-index: 50;
    left: 13vw;
    top: 0;
}

.part2-icon img {
    width: 14vw;
}

.part2-loc {
    perspective: 1000px;
    position: absolute;
    z-index: 10;
    left: 33.8vw;
    top: 5.4vw;
}

.part2-loc img {
    width: 1.5vw;
    animation: locs 5s infinite;
}

@keyframes locs {
    0% {
        transform: rotateY(0);
    }
    100% {
        transform: rotateY(360deg);
    }
}

.part2-qa {
    position: absolute;
    z-index: 15;
    left: 33vw;
    top: 7.5vw;
}

.part2-qa img {
    width: 2.8vw;
}

.part2-map2 {
    position: absolute;
    right: 4.5vw;
    top: 7.6vw;
}

.part2-detail {
    padding: 1vw 0 0;
    font-size: 1vw;
    line-height: 1.2vw;
    text-align: left;
    color: #000;
}

.part2-detail span {
    margin: 0 2px;
    padding: 0 4px;
    color: #fff;
    background: #c8000a;
    border-radius: 4px;
}

.part2-right {
    width: 22.8vw;
}

.part2-title {
    padding: 3vw 1vw 2vw 0;
    text-align: right;
}

.part2-title .en {
    font-size: 2.4vw;
    line-height: 2.6vw;
    color: #d7d7d7;
}

.part2-title .ch {
    padding: 0 0.8vw 0.6vw;
    font-size: 2.4vw;
    line-height: 2.4vw;
    color: #c8000a;
    background: url(../images/part_xie.png) no-repeat right bottom/1.1vw;
}

.part2-img a {
    display: block;
    position: relative;
    margin: 0 0 0.8vw;
    overflow: hidden;
}

.part2-img a i {
    display: block;
}

.part2-img a i img {
    width: 22.75vw;
    transition: 0.3s;
}

.part2-img a p {
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 0 1vw;
    font-size: 0.9vw;
    line-height: 2vw;
    color: #fff;
    text-align: center;
    background: #c8000a;
}

.part2-img a:hover img {
    transform: scale(1.1);
}

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

.part2-ul a {
    display: block;
    position: relative;
}

.part2-ul a i {
    display: block;
    overflow: hidden;
}

.part2-ul a i img {
    width: 22.75vw;
    transition: 0.3s;
}

.part2-ul a p {
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 0 1vw;
    font-size: 0.9vw;
    line-height: 2vw;
    color: #fff;
    text-align: center;
    background: #c8000a;
}

.part2-ul a:hover img {
    transform: scale(1.1);
}


/* 第3部分 */

.part3 {
    position: relative;
    padding: 0 0 2vw;
    background: url(../images/part3_bg.jpg) no-repeat center 0/100%;
}

.part3-title {
    width: 62vw;
    padding: 8vw 30vw 3vw 0;
    margin: 0 auto;
    text-align: right;
}

.part3-title .en {
    font-size: 2.4vw;
    line-height: 2.8vw;
    color: #fff;
    opacity: 0.35;
}

.part3-title .ch {
    padding: 0 1.2vw 0.6vw 0;
    font-size: 2.4vw;
    line-height: 2.8vw;
    color: #fff;
    background: url(../images/part_xie.png) no-repeat right bottom/1.1vw;
}

.part3-main {
    width: 72vw;
    margin: 0 auto;
    padding: 0 4.5vw 4vw;
    background: #f4f4f4;
    border-bottom: 0.5vw solid #c8000a;
}

.part3-nav {
    display: flex;
    justify-content: space-between;
    padding: 4.5vw 0 3vw;
}

.part3-nav ul {
    display: flex;
}

.part3-nav ul li {
    padding: 0 2vw 0 0;
}

.part3-nav ul a {
    display: block;
    padding: 0 0 0 1.5vw;
    font-size: 1vw;
    line-height: 1.5vw;
    color: #000;
}

.part3-nav ul a:hover {
    color: #c8000a;
    background: url(../images/red.png) no-repeat 0 center/0.8vw;
}

.part3-more {
    width: 7vw;
}

.part3-more a {
    display: block;
    padding: 0 2vw 0 0.8vw;
    font-size: 0.8vw;
    line-height: 2vw;
    color: #000;
    background: url(../images/part_arrow.png) no-repeat 4.5vw center;
    border: 1px solid #000;
    border-radius: 18px;
    transition: 0.3s;
}

.part3-more a:hover {
    transform: translate3d(1vw, 0, 0);
}

.part3-ul {
    overflow: hidden;
}

.part3-ul ul {
    display: flex;
}

.part3-ul ul li {
    width: 20vw;
    padding: 0 1vw;
}

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

.part3-ul ul i {
    display: block;
    overflow: hidden;
    border: 1px solid #fff;
}

.part3-ul ul i img {
    width: 100%;
    transition: 0.3s;
}

.pic-li-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5vw;
    padding: 0 1vw;
    font-size: 0.9vw;
    line-height: 3.2vw;
    color: #000;
    background: #fff;
    transition: 0.3s;
}

.pic-li-name {
    width: 9vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.part3-ul ul a:hover i {
    border-color: #c8000a;
}

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

.part3-ul ul a:hover .pic-li-line {
    color: #fff;
    background: #c8000a;
    transform: translate3d(0, -0.5vw, 0);
}


/* 第4部分 */

.part4 {
    position: relative;
    padding: 4vw 0 8vw;
    background: url(../images/part4_bg.jpg) no-repeat center bottom/ cover;
}

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

.part4-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 2vw;
}

.part4-title {
    text-align: right;
}

.part4-title .en {
    font-size: 2.4vw;
    line-height: 3vw;
    color: rgba(0, 0, 0, 0.4);
}

.part4-title .ch {
    padding: 0 1.2vw 0.6vw 0;
    font-size: 2.4vw;
    line-height: 3vw;
    color: #000;
    background: url(../images/part_xie.png) no-repeat right bottom;
}

.part4-title .ch span {
    display: block;
    background: url(../images/logo_icon.png) no-repeat 11.5vw 0.6vw;
}

.part4-nav {
    width: 35vw;
}

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

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

.part4-nav ul a {
    display: block;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #000;
}

.part4-nav ul a:hover {
    color: #c8000a;
}

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

.part4-left {
    width: 34vw;
}

.part4-left a {
    display: block;
    color: #000;
}

.new-img {
    overflow: hidden;
}

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

.new-title {
    padding: 1vw 0;
    font-size: 1.2vw;
    line-height: 1.6vw;
    border-bottom: 1px solid #dcdcdc;
}

.new-p {
    height: 3.6vw;
    margin-top: 1.5vw;
    overflow: hidden;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #2f2f2f;
}

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

.part4-left a:hover .new-title {
    color: #c8000a;
}

.part4-right {
    width: 35vw;
}

.part4-right ul {
    padding: 0;
}

.part4-right ul li {
    padding: 0 0 3vw;
}

.part4-right ul a {
    display: flex;
    justify-content: space-between;
}

.new-li-time {
    width: 7vw;
    padding: 2vw 0;
    text-align: center;
    color: #fff;
    background: #000 url(../images/icon_b.png) no-repeat right bottom/3vw;
}

.new-li-day {
    width: 3.6vw;
    margin: 0 auto;
    padding: 0 0 1.6vw;
    font-size: 2.4vw;
    line-height: 3vw;
    border-bottom: 1px solid #fff;
}

.new-li-year {
    margin: 1.5vw 0 0;
    font-size: 0.9vw;
    line-height: 1.2vw;
}

.new-li-font {
    width: 26.4vw;
}

.new-li-title {
    padding: 0.5vw 0 1vw;
    font-size: 1.2vw;
    line-height: 1.5vw;
    color: #000;
    border-bottom: 1px solid #dcdcdc;
}

.new-li-p {
    height: 4.8vw;
    margin: 1vw 0 0;
    font-size: 0.9vw;
    line-height: 1.2vw;
    color: #000;
}

.part4-right ul a:hover .new-li-time {
    background: #c8000a url(../images/icon_r.png) no-repeat right bottom/3vw;
}

.part4-right ul a:hover .new-li-title {
    color: #c8000a;
}