.d_c_center {
    margin: 0 auto;
    width: 1200px;
    height: 100%;
}

div {
    box-sizing: border-box;
}

.banner {
    position: relative;
    margin: 0 auto;
    width: 1920px;
    height: 850px;
    overflow: hidden;
}

.banner .d_c_center {
    position: relative;
}

.banner .swiper {
    width: 100%;
    height: 100%;
}

.banner .swiper>a {
    position: absolute;
    width: 48px;
    top: 50%;
    right: 200px;
    z-index: 1000;
}

.banner .swiper .left {
    left: 200px;
}

.banner .swiper1 {
    position: relative;
    background: linear-gradient(0deg, #f8852f 0%, #ffaf73 99%);
}

.banner .swiper2 {
    background: linear-gradient(0deg, #f9514d 0%, #ff776d 100%);
}

.banner .d_c_center>img {
    position: absolute;
}

.banner .swiper1 .d_c_center>img:nth-of-type(1) {
    top: 170px;
    left: 136px;
}

.banner .swiper1 .d_c_center>img:nth-of-type(2) {
    top: 99px;
    right: 0;
}

.banner .swiper1 .d_c_center>img:nth-of-type(3) {
    top: 60px;
    right: 330px;
}

.banner .swiper1 .d_c_center>img:nth-of-type(4) {
    top: 485px;
    left: 0;
}

.banner .swiper1 .d_c_center>img:nth-of-type(5) {
    bottom: 230px;
    right: 130px;
}

.banner .swiper .d_c_center a {
    position: absolute;
    top: 575px;
    left: 0;
    display: inline-block;
    text-align: center;
    line-height: 55px;
    width: 169px;
    height: 55px;
    font-size: 17px;
    color: #ffffff;
    border: 1.5px solid #ffffff;
    border-radius: 4px;
}

.banner .swiper2 .d_c_center>img:nth-of-type(1) {
    top: 160px;
    left: 80px;
}

.banner .swiper2 .d_c_center>img:nth-of-type(2) {
    top: 120px;
    right: 0;
}

.banner .swiper2 .d_c_center>img:nth-of-type(3) {
    top: 485px;
    left: 0;
}

.banner .swiper2 .d_c_center>img:nth-of-type(4) {
    right: 210px;
    bottom: -27px;
}

.banner .swiper2 .d_c_center>img:nth-of-type(5) {
    right: 140px;
    bottom: 170px;
}

.banner .d_c_center img {
    display: none;
}

/* one */
.one {
    height: 412px;
}

.one_info {
    position: relative;
    margin-top: -70px;
    padding-top: 38px;
    padding-left: 41px;
    z-index: 1000;
    float: left;
    width: 50%;
    height: 100%;
    background-color: #f8852f;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/%E7%BB%8416.png);
    transition: all .5s;
}

.one_info:hover {
    transform: translateY(-30px);
}

.one_info:last-child {
    background-image: url(https://qiniugw.sdwanyue.com/20230612/%E7%BB%8417.png);
}

.one_info>.one_info_1 {
    position: relative;
    margin-bottom: 36px;
    width: 516px;
    height: 298px;
    overflow: hidden;
}

.one_info>.one_info_1 i {
    display: block;
    background: #f5f5f5;
    transition: all .3s;
}

.one_info>.one_info_1 i:nth-last-of-type(1) {
    position: absolute;
    right: 0;
    width: 222px;
    height: 7px;
    transform: translateX(222px);
}

.one_info>.one_info_1 i:nth-last-of-type(2) {
    position: absolute;
    right: 0;
    width: 8px;
    height: 298px;
    transform: translateY(298px);
}

.one_info>.one_info_1 i:nth-last-of-type(3) {
    position: absolute;
    bottom: 0;
    width: 516px;
    height: 7px;
    transform: translateX(-516px);
}

.one_info>.one_info_1 i:nth-last-of-type(4) {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 8px;
    height: 117px;
    transform: translateY(117px);
}

.one_info:hover>.one_info_1 i {
    transform: translateX(0);
}

.one_info>.one_info_1 p {
    top: -7px;
    left: -7px;
    font-size: 46px;
    font-weight: 900;
    color: #ffffff;
    line-height: 55px;
    transition: all .3s;
}

.one_info>.one_info_a i {
    margin-left: 5px;
    color: #ffffff;
    font-size: 12px;
    transform: rotateZ(-90deg);
}

.one_info>.one_info_a a {
    font-size: 14px;
    color: #ffffff;
    transition: all .3s;
}

.one_info>.one_info_a a:hover {
    color: #f87410;
}

.one_info>.one_info_a a:hover i {
    color: #f87410;
}

/* one */


/* two */
.two {
    height: 800px;
}

.two_info {
    position: relative;
    margin-left: 107px;
}

.two_info>div {
    float: left;
}

.two_info_c {
    margin-left: 60px;
    width: 563px;
}

.two_info_c_1 {
    margin-bottom: 33px;
}

.two_info_c_1 h1 {
    margin-bottom: 37px;
    font-size: 18px;
    font-weight: 500;
    color: #f87410;
    line-height: 18px;
}

.two_info_c_1 h5 {
    margin-bottom: 35px;
    font-size: 55px;
    font-weight: 500;
    color: #1c1e24;
    line-height: 55px;
}

.two_info_c_1 span {
    font-size: 18px;
    color: #909090;
    line-height: 30px;
}

.two_info_c_2 ul {
    float: left;
}

.two_info_c_2 li {
    margin-bottom: 15px;
}

.two_info_c_2 span {
    margin-left: 12px;
    font-size: 18px;
    font-weight: 500;
    color: #8f8f8f;
}

.two_info_c_2 div {
    float: left;
}

.two_info_c_2 .two_info_c_2_1 {
    margin-top: 49px;
    margin-left: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 187px;
    height: 168px;
    background: #f87410;
    color: #ffffff;
}

.two_info_c_2 div>h1 {
    font-size: 60px;
    font-weight: 700;
    line-height: 60px;
}

.two_info_c_2 div>span {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
}

.two_info>img {
    position: absolute;
    left: -107px;
    top: 368px;
}

.two_info .two_a {
    position: relative;
    margin-top: 45px;
    display: block;
    width: 184px;
    height: 55px;
    font-size: 16px;
    line-height: 55px;
    text-align: center;
    overflow: hidden;
    color: #ffffff;
    background: #333333;
    transition: all .3s;
}

.two_info .two_a::before {
    position: absolute;
    top: 0;
    left: 0;
    content: 'Learn More';
    display: inline-block;
    width: 100%;
    height: 100%;
    background-color: #f87410;
    transform: translateY(-40px) translateX(170px);
    transition: all .3s;
}

.two_info .two_a:hover {
    color: #333333;
}

.two_info .two_a:hover::before {
    transform: translateY(0) translateX(0);
}

/* two */


/* three */
.three {
    height: 1368px;
    background: #f8f8f8;
}

.three_info_1 {
    padding-top: 79px;
}

.three_info_1_top {
    display: flex;
    justify-content: center;
    align-items: center;
}

.three_info_1_top a {
    font-size: 28px;
    font-weight: 700;
    color: #909090;
    transition: all .2s;
}

.three_info_1_top a.active {
    color: #1c1e24;
}

.three_info_1_top i {
    margin: 0 18px;
    margin-top: 8px;
    display: inline-block;
    width: 30px;
    height: 4px;
    background: #f87410;
    border-radius: 2px;
    vertical-align: baseline;
}

.three_info_1_bottom {
    margin-top: 74px;
    position: relative;
    height: 345px;
}

.three_info_1_bottom .swiper {
    display: none;
    height: 370px;
    overflow: hidden;
    transition: all .5s;
}

.three_info_1_bottom .swiper.active {
    opacity: 0;
    display: block;
}

.three_info_1_bottom .swiper-slide {
    height: 345px;
    background: #ffffff;
    transition: all .5s;
}

.three_info_1_bottom a {
    position: absolute;
    width: 32px;
    height: 26px;
    top: 50%;
    right: -65px;
    z-index: 11;
}

.three_info_1_bottom .left_2 {
    left: -65px;
}

.three_info_1_bottom .swiper-slide_img {
    position: relative;
    width: 100%;
    height: 271px;

}

.three_info_1_bottom .swiper-slide_img div {
    padding: 0 28px;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 271px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    color: #ffffff;
    background-color: rgb(0 0 0 / 65%);
    line-height: 25px;
    transition: all .5s;
}

.three_info_1_bottom .swiper-slide:hover .swiper-slide_img div {
    opacity: 1;
}

.three_info_1_bottom .swiper-slide_img img {
    width: 100%;
    height: 100%;
}

.three_info_1_bottom .swiper-slide_info {
    padding-top: 15px;
    padding-left: 15px;
}

.three_info_1_bottom .swiper-slide_info h1 {
    font-size: 18px;
    line-height: 18px;
    font-weight: 700;
    color: #1c1e24;
}

.three_info_1_bottom .swiper-slide_info p {
    margin-top: 5px;
    font-size: 14px;
    color: #909090;
}

.three_info_1_bottom .swiper-slide:hover {
    box-shadow: 0px 8px 32px 1.6px rgba(0, 0, 0, 0.16);
}

.three_info_2 {
    margin-top: 80px;
}

.three_info_2_1 {
    width: 790px;
    height: 644px;
}

.three_info_2 div {
    background-size: 100% 100%;
}

.three_info_2>div {
    float: left;
}

.three_info_2_1>div {
    position: relative;
    float: left;
}

.three_info_2_1_1 {
    margin-right: 30px;
    width: 380px;
    height: 307px;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/11.png);
}

.three_info_2_1_2 {
    display: flex;
    justify-content: center;
    width: 380px;
    height: 307px;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/22.png);
}

.three_info_2_1_2 a {
    position: absolute;
    margin-left: -10px;
    bottom: 28px;
    width: 130px;
    height: 36px;
}

.three_info_2_1_3 {
    margin-top: 30px;
    width: 790px;
    height: 307px;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/3.png);
}

.three_info_2_1_3 a {
    position: absolute;
    bottom: 29px;
    left: 38px;
    width: 132px;
    height: 38px;
}

.three_info_2_1_4 {
    position: relative;
    /* margin-top: -30px; */
    margin-left: 30px;
    width: 380px;
    height: 644px;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/4.png);
}

.three_info_2_1_4 a {
    position: absolute;
    bottom: 166px;
    left: 37px;
    width: 148px;
    height: 38px;
}

.three_info_2_1_5 {
    transition: all .5s;
}

.three_info_2_1_5:hover {
    transform: translateY(-20px);
    box-shadow: -7px 8px 15px 6.6px rgba(0, 0, 0, 0.4);
}

/* three */

/* title_info */
.title_info {
    margin: 0 auto;
    width: 1920px;
    height: 470px;
    background: #f8f8f8;
}

.title_info>div {
    float: left;
    width: 50%;
    height: 100%;
    background-image: url(https://qiniugw.sdwanyue.com/20230612/%E5%B7%A6.png);
}

.title_info>div {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.title_info>div:first-child h1 {
    margin-bottom: 19px;
    width: 163px;
    height: 23px;
    background: #ffffff;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    color: #f87410;
    line-height: 23px;
}

.title_info>div h2 {
    margin-bottom: 10px;
    font-size: 30px;
    font-weight: normal;
    color: #ffffff;
    line-height: 30px;
}

.title_info>div h3 {
    margin-bottom: 19px;
    font-size: 70px;
    font-family: PlayfairDisplay, PlayfairDisplay-Black;
    font-weight: 900;
    font-style: italic;
    color: #ffffff;
    line-height: 70px;
}

.title_info>div p {
    margin-bottom: 33px;
    width: 524px;
    font-size: 16px;
    color: #ffffff;
    text-align: center;
    line-height: 25px;
}

.title_info>div a {
    display: inline-block;
    width: 158px;
    height: 38px;
    font-size: 16px;
    line-height: 38px;
    border: 2px solid #ffffff;
    text-align: center;
    color: #ffffff;
    transition: all .5s;
}

.title_info>div a:hover {
    border: 2px solid#f87410;
    color: #f87410;
    ;
}

.title_info>div:last-child {
    background-image: url(https://qiniugw.sdwanyue.com/20230612/%E5%8F%B3.png);
}

.title_info>div:last-child p {
    margin-bottom: 20px;
    width: 514px;
}

/* title_info */

/* four */
.four {
    padding-top: 99px;
    height: 1220px;
    background: #f8f8f8;
}

.four_info_1_title {
    margin-bottom: 85px;
    text-align: center;
}

.four_info_1_title h1 {
    margin-bottom: 23px;
    font-size: 18px;
    font-weight: 500;
    color: #f87410;
    line-height: 18px;
    letter-spacing: 0.09px;
}

.four_info_1_title h5 {
    font-size: 50px;
    font-weight: 700;
    color: #121212;
    line-height: 50px;
}

.four_info_1_c {
    position: relative;
    height: 265px;
}

.four_info_1_c>a {
    position: absolute;
    width: 48px;
    top: 50%;
    right: -65px;
    z-index: 1000;
}

.four_info_1_c .left_3 {
    left: -65px;
}

.four_info_1_c .swiper {
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.four_info_1_c .swiper-slide>div {
    float: left;
}

.four_info_1_c .swiper-slide_img {
    width: auto;
    margin-right: 24px;
}

.four_info_1_c .swiper-slide_info {
    position: relative;
    width: 279px;
    height: 100%;
}

.four_info_1_c .swiper-slide_info h1 {
    margin-bottom: 27px;
    font-size: 24px;
    font-weight: bold;
    color: #121212;
    margin-top: 20px;
    line-height: 28px;
}

.four_info_1_c .swiper-slide_info p {
    font-size: 15px;
    font-weight: 500;
    color: #909090;
    line-height: 24px;
}

.four_info_1_c .swiper-slide_info a {
    position: absolute;
    bottom: 20px;
    left: 0;
    font-size: 15px;
    color: #717171;
    transition: all .5s;
}

.four_info_1_c .swiper-slide_info a:hover {
    color: #f87410;
}


.four_info_2 {
    margin-top: 99px;
}

.four_info_2_title {
    margin-bottom: 68px;
    text-align: center;
}

.four_info_2_title h1 {
    margin-bottom: 23px;
    font-size: 18px;
    font-weight: 500;
    color: #f87410;
    line-height: 18px;
    letter-spacing: 0.09px;
}

.four_info_2_title h5 {
    font-size: 50px;
    font-weight: 700;
    color: #121212;
    line-height: 50px;
}

.four_info_2_c {
    position: relative;
    height: 345px;
}

.four_info_2_c .swiper {
    overflow: hidden;
    width: 100%;
    height: 370px;
}

.four_info_2_c .swiper-slide {
    background: #fff;
    height: 345px;
    transition: all .5s;
}

.four_info_2_c .swiper-slide:hover {
    box-shadow: 0px 8px 32px 1.6px rgba(0, 0, 0, 0.16);
}

.four_info_2_c .swiper-slide_img {
    position: relative;
    width: 278px;
    height: 271px
}

.four_info_2_c .swiper-slide_img img {
    width: 100%;
    height: 100%;
}

.four_info_2_c .swiper-slide_img div {
    padding: 0 28px;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 271px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #ffffff;
    background-color: rgb(0 0 0 / 70%);
    line-height: 25px;
    transition: all .5s;
}

.four_info_2_c .swiper-slide:hover .swiper-slide_img div {
    opacity: 1;
}

.four_info_2_c .swiper-slide_info {
    padding-top: 15px;
    padding-left: 15px;
}

.four_info_2_c .swiper-slide_info h1 {
    font-size: 18px;
    line-height: 18px;
    font-weight: 700;
    color: #1c1e24;
}

.four_info_2_c .swiper-slide_info p {
    margin-top: 5px;
    font-size: 14px;
    color: #909090;
}

.four_info_2_c>a {
    position: absolute;
    width: 48px;
    top: 50%;
    right: -65px;
    z-index: 1000;
}

.four_info_2_c .left_4 {
    left: -65px;
}

/* four */