/* main_video */
.main_video {
    position: relative;
}
.main_video_wrap {
    position: relative;
    width: 100%;
}
.main_video_wrap:after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
}
.main_video_wrap iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: url(../img/main_video.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: initial;
    background-origin: initial;
    background-clip: initial;
    background-color: initial;
    background-size: cover !important;
}
/* 16:9 */
.iframe16To9 {
    padding-top: 56.25%;
}

/* 4:3 */
.iframe4To3 {
    padding-top: 75%;
}

/* main_newcon01 */
.main_newcon01 {
    background-attachment: fixed;
    background-image: url(../img/main_newcon01.png);
    background-repeat: no-repeat;
    background-size: cover;
    height: 937px;
    z-index: 1;
    position: relative;
    text-align: center;
}
.main_newcon01 > img {
}

/* main_newcon02 */
.main_newcon02 {
    background-image: url(../img/main_newcon02_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 515px;
    padding-bottom: 130px;
}
.main_newcon02 > div > h2 {
    font-size: 110px;
    font-weight: 700;
    color: #fff;
}
.main_newcon02_bottom {
    margin-top: 60px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.main_newcon02_bottom > h3 {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    line-height: 52px;
}
.main_newcon02_bottom > h3 > span {
    color: #ede68a;
}
.main_newcon02_bottom > p {
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    line-height: 32px;
}
.main_intro {
    background-image: url(../img/main_intro_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 125px;
    padding-bottom: 239px;
}
.main_intro_wrap {
    padding-left: 240px;
}
.main_intro_title > h2 {
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
}
.main_intro_title > h2 > span {
    color: #ede68a;
}
.main_intro_title > p {
    font-size: 24px;
    font-weight: 400;
    margin-top: 40px;
    line-height: 36px;
}
.main_intro_center {
    margin-top: 150px;
    display: flex;
    flex-direction: column;
}
.main_intro_center_img {
    width: 1440px;
    height: 300px;
    background-image: url(../img/main_intro_center.png);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    align-self: end;
}
.main_intro_center > span {
    font-size: 110px;
    font-weight: 700;
    letter-spacing: 0px;
    margin-bottom: -65px;
    z-index: 1;
}
.main_intro_center_box {
    display: flex;
    justify-content: space-between;
    padding-left: 222px;
    padding-right: 240px;
    margin-top: 40px;
}
.main_intro_center_title > p {
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
}
.main_intro_center_title > p > span {
    color: #ede68a;
}
.main_intro_center_box > div > div > span {
    font-size: 24px;
    font-weight: 500;
}
.main_intro_center_box > div > div > p {
    font-size: 20px;
    font-weight: 300;
    color: #c3c3c3;
    margin-top: 20px;
    line-height: 32px;
}
.main_intro_center_con1,
.main_intro_center_con3 {
    margin-bottom: 45px;
}
.main_intro_service {
    display: flex;
    justify-content: flex-end;
    max-width: 1432px;
    margin-top: 215px;
    position: relative;
}
.main_intro_service > h4 {
    font-size: 110px;
    font-weight: 700;
    letter-spacing: 0px;
    z-index: 1;
    position: absolute;
    left: 50%;
    top: -65px;
    transform: translateX(-50%);
}
.main_intro_bottom {
    display: flex;
    margin-top: 40px;
    max-width: 1440px;
}
.main_intro_bottom > div {
    width: 50%;
}
.main_intro_bottom_title > p {
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
}
.main_intro_bottom_title > p > span {
    color: #ede68a;
}
.main_intro_bottom_con > span {
    font-size: 40px;
    font-weight: 700;
}
.main_intro_bottom_con > p {
    font-size: 20px;
    font-weight: 400;
    color: #c3c3c3;
    margin-top: 20px;
    line-height: 28px;
}

/* main_dentist */
.main_dentist {
    padding-top: 76px;
    padding-bottom: 150px;
    position: relative;
    z-index: 1;
    background: #fff;
}
.main_dentist_title {
    margin-left: 40px;
}
.main_dentist_title > h2 {
    font-size: 110px;
    font-weight: 700;
    color: #2f3032;
    margin-bottom: 40px;
    letter-spacing: 0px;
}
.main_dentist_title > p {
    font-size: 30px;
    font-weight: 400;
    color: #2f3032;
    line-height: 42px;
}
.main_dentist_bg {
    position: absolute;
    top: 141px;
    left: 232px;
    width: 1440px;
    height: 700px;
    z-index: -1;
    background-image: url(../img/main_dentist_bg.png);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.main_dentist_con {
    display: flex;
    margin-top: 560px;
    justify-content: space-between;
}
.main_dentist_con > h4 {
    font-size: 40px;
    font-weight: 700;
    color: #2f3032;
    line-height: 52px;
}
.main_dentist_con > p {
    font-size: 22px;
    font-weight: 400;
    color: #727272;
    line-height: 32px;
}

/* main_scroll */
.main_scroll {
    padding-top: 219px;
    background-attachment: fixed;
    background-image: url(../img/main_scroll_bg.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: relative;
    transition: all 0.2s;
}
.main_scroll > div {
    display: flex;
    justify-content: space-between;
}
.main_scroll_title {
    display: flex;
    flex-direction: column;
    align-items: self-start;
    justify-content: start;
    position: sticky;
    height: 700px;
    top: 219px;
}
.main_scroll_title > h2 {
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
}
.main_scroll_title > h2 > span {
    color: #ede68a;
}
.main_scroll_title > p {
    font-size: 22px;
    font-weight: 400;
    line-height: 34px;
    margin: 30px 0px;
}
.main_scroll_img_box {
    display: flex;
}
.main_scroll_img_box > img {
    opacity: 0.8;
}
.main_scroll_img_box > img:first-child {
    margin-right: 10px;
}
.main_scroll_inner {
    display: flex;
    width: 800px;
    flex-wrap: wrap;
    justify-content: space-between;
}
.main_scroll_inner > div {
    width: 50%;
    padding: 40px 0px 45px 30px;
    background-color: #fff;
    border-radius: 20px;
    width: 380px;
    height: 510px;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.2s;
    opacity: 0.2;
}
.main_scroll_inner > div > span {
    font-size: 30px;
    font-weight: 700;
    color: #2f3032;
}
.main_scroll_inner > div > div > span {
    font-size: 26px;
    font-weight: 700;
    color: #2f3032;
}
.main_scroll_inner > div > div > p {
    font-size: 18px;
    font-weight: 400;
    color: #2f3032;
    line-height: 28px;
    margin-top: 20px;
}
.main_scroll_con {
    transition: all 0s linear;
    height: 1500px;
}
.main_scroll_con1.is_active > span {
    color: #fff;
}
.main_scroll_con2 {
    margin-top: 255px;
}
.main_scroll_inner > .main_scroll_con5,
.main_scroll_inner > .main_scroll_con6 {
    margin-bottom: 0px;
}
.main_scroll_inner > .main_scroll_con3,
.main_scroll_inner > .main_scroll_con5 {
    margin-top: -255px;
}
.main_scroll_con1.is_active {
    background-image: url(../img/main_scroll_con1.png);
    opacity: 1;
}
.main_scroll_con2.is_active {
    background-image: url(../img/main_scroll_con2.png);
    opacity: 1;
}
.main_scroll_con3.is_active {
    background-image: url(../img/main_scroll_con3.png);
    opacity: 1;
}
.main_scroll_con4.is_active {
    background-image: url(../img/main_scroll_con4.png);
    opacity: 1;
}
.main_scroll_con5.is_active {
    background-image: url(../img/main_scroll_con5.png);
    opacity: 1;
}
.main_scroll_con6.is_active {
    background-image: url(../img/main_scroll_con6.png);
    opacity: 1;
}

/* main_promise */
.main_promise {
    background-color: #2f3032;
    padding-top: 385px;
    padding-bottom: 153px;
    position: relative;
    z-index: -2;
}
/* .main_promise.fixed::before {
    opacity: 1;
}
.main_promise.fixed::after {
    opacity: 1;
} */
/* .main_promise::before {
    display: block;
    content: '';
    position: fixed;
    top: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0) 0,
        black 50%,
        black 100%
    );
    left: 0;
    right: 0;
    z-index: 0;
    height: 400px;
    opacity: 0;
    visibility: inherit;
    transition-property: opacity, visibility;
    transition-duration: 0.5s;
    transition-timing-function: ease-in-out;
}
.main_promise::after {
    display: block;
    content: '';
    position: fixed;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0,
        black 50%,
        black 100%
    );

    left: 0;
    right: 0;
    z-index: 0;
    height: 400px;
    opacity: 0;
    visibility: inherit;
    transition-property: opacity, visibility;
    transition-duration: 0.5s;
    transition-timing-function: ease-in-out;
} */
.main_promise_inner {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: -1;
}

.main_promise_title {
    position: relative;
}
.main_promise_title > img {
    position: absolute;
    bottom: 55px;
    left: 50%;
    width: 100%;
    transform: translateX(-50%);
}
.main_promise_title > h2 {
    font-size: 48px;
    font-weight: 700;
    color: #ede68a;
    margin-bottom: 20px;
}
.main_promise_title > span {
    font-size: 70px;
    font-weight: 700;
}
.main_promise_scroll {
    margin-top: 131px;
    margin-bottom: 324px;
    position: relative;
    z-index: -1;
}
.main_promise_scroll > div {
    width: 100%;
    margin: 70px 0px;
}
.main_promise_scroll > div > span {
    font-size: 60px;
    font-weight: 700;
    display: block;
    margin: 15px 0px;
    text-shadow: 0px 10px 18px #191919;
}
.main_promise_bottom > p {
    font-size: 60px;
    font-weight: 700;
    line-height: 88px;
}
.main_promise_bottom > p > span {
    color: #ede68a;
}
.main_promise_bottom > img {
    margin-top: 150px;
    margin-bottom: 48px;
}
.main_promise_bottom > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* main_category */
.main_category {
    padding-top: 170px;
    padding-bottom: 170px;
    background-color: rgba(252, 252, 252);
    position: relative;
    overflow: hidden;
}
.main_category > span {
    font-size: 244px;
    font-weight: 700;
    color: #828282;
    opacity: 0.03;
    position: absolute;
    width: 100%;
    display: block;
    text-align: center;
    left: 50%;
    bottom: 145px;
    transform: translateX(-50%);
    z-index: -1;
}
.main_category_inner {
    padding-left: 240px;
    display: flex;
}
.main_category_left {
    display: flex;
    flex-direction: column;
    margin-right: 70px;
}
.main_category_title > span {
    font-size: 20px;
    font-weight: 400;
    color: #c3c3c3;
}
.main_category_title > h2 {
    font-size: 40px;
    font-weight: 700;
    color: #073382;
    margin-top: 10px;
    margin-bottom: 10px;
}
.main_category_title_line {
    width: 100%;
    height: 1px;
    background-color: #c3c3c3;
    margin-bottom: 10px;
}
.main_category_page {
    display: flex;
    flex-direction: column;
}
.main_category_page > .swiper-pagination-bullet {
    height: 100px;
    width: 400px;
    border-radius: initial;
    background: none;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    opacity: 0.4;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #f2f2f2;
    transition: all 0.5s;
}
.main_category_page > .swiper-pagination-bullet-active {
    opacity: 1;
}
.main_category_page > .swiper-pagination-bullet:hover {
    opacity: 1;
}
.main_category_page > .swiper-pagination-bullet:last-child {
    border-bottom: none;
}
.main_category_page > .swiper-pagination-bullet:nth-of-type(1) {
    background-image: url(../img/main_category_page01.svg);
}
.main_category_page > .swiper-pagination-bullet-active:nth-child(1) {
    background-image: url(../img/main_category_page01a.svg);
}
.main_category_page > .swiper-pagination-bullet:nth-of-type(2) {
    background-image: url(../img/main_category_page02.svg);
}
.main_category_page > .swiper-pagination-bullet-active:nth-child(2) {
    background-image: url(../img/main_category_page02a.svg);
}
.main_category_page > .swiper-pagination-bullet:nth-of-type(3) {
    background-image: url(../img/main_category_page03.svg);
}
.main_category_page > .swiper-pagination-bullet-active:nth-child(3) {
    background-image: url(../img/main_category_page03a.svg);
}
.main_category_page > .swiper-pagination-bullet:nth-of-type(4) {
    background-image: url(../img/main_category_page04.svg);
}
.main_category_page > .swiper-pagination-bullet-active:nth-child(4) {
    background-image: url(../img/main_category_page04a.svg);
}
.main_category_swiper {
    width: 100%;
    overflow: hidden;
    position: relative;
}
.main_category_swiper .swiper-slide {
    display: flex;
}
.main_category_swiper .swiper-slide > div {
    margin-left: 60px;
    display: flex;
    flex-direction: column;
}
.main_category_swiper .swiper-slide > div > span {
    font-size: 20px;
    font-weight: 400;
    color: #2f3032;
}
.main_category_swiper .swiper-slide > div > h4 {
    font-size: 40px;
    font-weight: 700;
    color: #2f3032;
    margin-top: 10px;
    margin-bottom: 20px;
}
.main_category_swiper .swiper-slide > div > p {
    font-size: 20px;
    font-weight: 400;
    color: #c3c3c3;
    line-height: 32px;
}
.main_category_swiper .swiper-slide > div > div {
    margin-top: 20px;
}
.main_category_swiper .swiper-slide > div > div > span {
    font-size: 16px;
    font-weight: 500;
    display: inline-block;
    color: #2f3032;
    margin-right: 10px;
    border-radius: 22px;
    line-height: 43px;
    padding: 0px 25px;
    border: 1px solid #c3c3c3;
    margin-bottom: 10px;
}
.main_category_nav {
    position: absolute;
    right: 503px;
    bottom: 39px;
    display: flex;
    z-index: 1;
}
.main_category_nav > div {
    width: 73.5px;
    height: 74px;
    cursor: pointer;
    transition: all 0.2s;
}
.main_category_nav > div:hover {
    background-color: rgba(0, 0, 0, 0.1);
}
.main_category_nav > img {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    z-index: -1;
}

/* main_point */
.main_point {
    background-color: #2f3032;
    padding-top: 181px;
    padding-bottom: 181px;
    position: relative;
}
.main_point_inner {
    /* padding-left: 240px; */

    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}
.main_point_inner::after {
    content: '';
    display: block;
    width: 215px;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    background-color: #2f3032;
    z-index: 1;
}
.main_point_inner > p {
    font-size: 14px;
    font-weight: 300;
    color: #ccc;
    margin-top: 27px;
    text-align: end;
    padding-right: 250px;
}
.main_point_inner > h2 {
    font-size: 40px;
    font-weight: 800;
    line-height: 52px;
}
.main_point_inner > h2 > span {
    color: #ede68a;
}
.main_point_page {
    margin-top: 30px;
    margin-bottom: 40px;
}
.main_point_page > .swiper-pagination-bullet {
    font-size: 20px;
    font-weight: 500;
    line-height: 60px;
    padding: 0px 24px;
    border-radius: 38px;
    border: 1px solid #fff;
    width: auto;
    height: auto;
    opacity: 1;
    background: transparent;
    transition: all 0.5s;
}
.main_point_page > .swiper-pagination-bullet:hover {
    background-color: #ede68a;
    color: #2f3032;
    border: 1px solid transparent;
}
.main_point_page > .swiper-pagination-bullet-active {
    background-color: #ede68a;
    color: #2f3032;
    border: 1px solid transparent;
}
.main_point_swiper {
    width: 100%;
}
.main_point_swiper .swiper-slide {
    background-size: contain;
    background-repeat: no-repeat;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    position: relative;
    padding-right: 80px;
    padding-bottom: 60px;
    height: 520px;
}
.main_point_swiper .swiper-slide-active > img {
    animation: main_point 5s infinite linear;
}
.main_point_swiper .swiper-slide > img {
    position: absolute;
}
.main_point_swiper .swiper-slide > div > span {
    font-size: 40px;
    font-weight: 700;
    color: #ede68a;
}
.main_point_swiper .swiper-slide > div > p {
    font-size: 20px;
    font-weight: 400;
    color: #f2f2f2;
    margin-top: 20px;
    line-height: 32px;
}
.main_point01 {
    background-image: url(../img/main_point01_bg.png);
}
.main_point01 > img {
    top: 95px;
    left: 81px;
}
.main_point02 {
    background-image: url(../img/main_point02_bg.png);
}
.main_point02 > img {
    top: 69px;
    left: 73px;
}
.main_point03 {
    background-image: url(../img/main_point03_bg.png);
}
.main_point03 > img {
    top: 131px;
    left: 54px;
}
@keyframes main_point {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-50px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* main_docter */
.main_docter {
    position: relative;
}
.main_docter_title1 {
    position: absolute;
    top: 135px;
    left: 240px;
    z-index: 6;
}
.main_docter_title2 {
    position: absolute;
    top: 1114px;
    left: 240px;
    z-index: 6;
}
.main_docter_title3 {
    position: absolute;
    top: 2170px;
    left: 240px;
    z-index: 6;
}
.main_docter_title > span {
    font-size: 20px;
    font-weight: 400;
    color: #073382;
}
.main_docter_title > h2 {
    font-size: 40px;
    font-weight: 700;
    color: #2f3032;
    margin-top: 20px;
    margin-bottom: 30px;
}
.main_docter_title > h2 > span {
    color: #073382;
}
.main_docter_title > h2 > span > span {
    color: #073382;
    font-size: 24px;
}
.main_docter_con {
    display: flex;
    padding-left: 240px;
    position: relative;
    padding-top: 111px;
}
.main_docter_con > img {
    position: absolute;
    right: 50px;
    bottom: 118px;
    z-index: 0;
    animation: docter_img 5s infinite linear;
}
@keyframes docter_img {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-50px);
    }
    100% {
        transform: translateY(0px);
    }
}
.main_docter_text1 > p {
    font-size: 20px;
    font-weight: 400;
    color: #2f3032;
    line-height: 42px;
    margin-top: 271px;
}
.docter01 .main_docter_text2 > p {
    margin-left: -126px;
}
.main_docter_text2 > p {
    font-size: 20px;
    font-weight: 400;
    color: #c3c3c3;
    line-height: 42px;
    margin-top: 271px;
    margin-left: 80px;
}
.docter01 .main_docter_img {
    margin-left: 156px;
    margin-top: 15px;
}
.main_docter_img {
    margin-left: 180px;
    z-index: 1;
}
.docter03 .main_docter_img {
    margin-left: 120px;
}
.docter01 {
    background-image: url(../img/main_docter01_bg.svg);
    background-repeat: no-repeat;
    background-size: cover;
    border-bottom: 1px solid #2f3032;
}
.docter02 {
    background-image: url(../img/main_docter02_bg.svg);
    background-repeat: no-repeat;
    background-size: cover;
    border-bottom: 1px solid #2f3032;
}
.docter03 {
    background-image: url(../img/main_docter03_bg.svg);
    background-repeat: no-repeat;
    background-size: cover;
}

/* main_youtube */
.main_youtube {
    background-color: #f2f2f2;
    padding-top: 169px;
    padding-bottom: 168px;
    position: relative;
}
.main_youtube > span {
    font-size: 154px;
    font-weight: 700;
    color: #828282;
    opacity: 0.1;
    position: absolute;
    left: 23px;
    bottom: 188px;
}
.main_youtube > div {
    display: flex;
    justify-content: space-between;
}
.main_youtube_title > h2 {
    font-size: 40px;
    font-weight: 700;
    color: #2f3032;
    line-height: 52px;
    margin-top: 63px;
}
.main_youtube_title > h2 > span {
    color: #073382;
}
.main_youtube_title > p {
    font-size: 20px;
    font-weight: 400;
    color: #2f3032;
    line-height: 32px;
    margin-top: 30px;
    margin-bottom: 40px;
}
.main_youtube_title > a {
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    line-height: 53px;
    display: inline-block;
    padding: 0px 30px;
    background-color: #073382;
    border-radius: 27px;
}
.main_youtube_title > a:hover > img {
    margin-left: 20px;
}
.main_youtube_title > a > img {
    margin-left: 12px;
    transition: all 0.2s;
}

/* main_equipment */
.main_equipment {
    background-image: url(../img/main_equipment_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 157px;
}
.main_equipment_inner {
    margin-left: 240px;
    display: flex;
    justify-content: space-between;
    position: relative;
}
.main_equipment_inner:after {
    background-color: #ede68a;
    content: '';
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 300px;
}
.main_equipment_title > span {
    color: #ede68a;
    font-size: 20px;
    font-weight: 800;
}
.main_equipment_title > h2 {
    color: #f2f2f2;
    font-size: 40px;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 67px;
}
.main_equipment_swiper {
    width: 1085px;
    overflow: hidden;
}
.main_equipment_swiper .swiper-slide {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 64px;
}
.main_equipment_swiper .swiper-slide > span {
    color: #2f3032;
    font-size: 28px;
    font-weight: 600;
    display: block;
    margin-top: 20px;
    margin-left: 100px;
    margin-bottom: 20px;
}
.main_equipment_swiper .swiper-slide > p {
    color: #727272;
    font-size: 20px;
    font-weight: 400;
    margin-left: 100px;
}
.main_equipment_nev {
    display: flex;
    position: relative;
    z-index: 1;
    cursor: pointer;
}
.main_equipment_nev > img {
    position: absolute;
    left: 0px;
    top: 0px;
}
.main_equipment_nev > div {
    height: 74px;
    width: 73.5px;
    z-index: 1;
    transition: all 0.2s;
}
.main_equipment_nev > div:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

/* main_merit */
.main_merit {
    background-color: #e9e9e9;
    padding-top: 94px;
    padding-bottom: 93px;
}
.main_merit > div {
    display: flex;
    flex-direction: column;
}
.main_merit > div > span {
    color: #2f3032;
    font-size: 20px;
    font-weight: 600;
}
.main_merit > div > h2 {
    color: #2f3032;
    font-size: 40px;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 40px;
}
.main_merit > div > h2 > span {
    color: #073382;
}
.main_merit_con {
    display: flex;
    align-items: center;
    flex-direction: column;
    background-image: url(../img/main_merit_con_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    height: 567px;
    padding-top: 136px;
    padding-bottom: 135px;
}
.main_merit_con > h4 {
    color: #f2f2f2;
    font-size: 40px;
    font-weight: 500;
}
.main_merit_con > h4 > span {
    color: #ede68a;
}
.main_merit_con > h5 {
    color: #f2f2f2;
    font-size: 40px;
    font-weight: 500;
    margin-top: 10px;
    margin-bottom: 20px;
}
.main_merit_con > h5:nth-of-type(2) {
    margin-top: 20px;
    margin-bottom: 10px;
}
.main_merit_con > div {
    display: flex;
}
.main_merit_con > div > span {
    color: #ede68a;
    font-size: 20px;
    font-weight: 500;
    border: 1px solid #ede68a;
    background-color: transparent;
    display: inline-block;
    line-height: 48px;
    padding: 0px 30px;
    transition: all 0.2s;
}
.main_merit_con > div > span:hover {
    background-color: #ede68a;
    border: 1px solid #ede68a;
    color: #000;
}
.main_merit_con > div > span:nth-of-type(2) {
    color: #fff;
    border: 1px solid #fff;
    margin: 0px 10px;
}
.main_merit_con > div > span:nth-of-type(2):hover {
    color: #000;
    background-color: #fff;
}

/* main_interior */
.main_interior {
    background-color: #2f3032;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
}
.main_interior_title {
    text-align: center;
}
.main_interior_title > span {
    font-size: 20px;
    font-weight: 600;
}
.main_interior_title > h2 {
    font-size: 60px;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 40px;
}
.main_interior_title > h2 > span {
    color: #ede68a;
}
.main_interior_swiper {
    width: 100%;
}
.main_interior_swiper .swiper-slide {
    position: relative;
}

.main_interior_swiper .swiper-slide > img {
    width: 100%;
}
.main_interior_swiper .swiper-slide > div {
    position: absolute;
    right: 0px;
    bottom: 0px;
    display: flex;
    opacity: 0;
    transition: all 0.5s;
}
.main_interior_swiper .swiper-slide-active > div {
    opacity: 1;
}
.main_interior_box {
    display: flex;
    align-items: center;
    background-color: #2f3032;
    padding-right: 19px;
}
.main_interior_box > span {
    font-size: 16px;
    font-weight: 400;
    display: inline-block;
    margin-left: 30px;
    margin-right: 36px;
}
.main_interior_box > p {
    font-size: 20px;
    font-weight: 400;
}
.main_interior_nav {
    display: flex;
    position: relative;
    cursor: pointer;
}
.main_interior_nav > img {
    position: absolute;
    left: 0px;
    top: 0px;
}
.main_interior_nav > div {
    height: 76px;
    width: 76px;
    z-index: 1;
    transition: all 0.2s;
}
.main_interior_nav > div:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

/* main_review */
.main_review {
    background-color: #2f3032;
    padding-bottom: 178px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.main_review > h2 {
    font-size: 50px;
    font-weight: 700;
    color: #f2f2f2;
    position: relative;
}
.main_review > h2 > img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
}
.main_review > p {
    font-size: 18px;
    font-weight: 400;
    color: #f2f2f2;
    margin-top: 30px;
    margin-bottom: 50px;
}
.main_review_btn {
    display: flex;
    margin-bottom: 50px;
}
.main_review_btn > a {
    font-size: 24px;
    font-weight: 400;
    color: #fff;
    line-height: 67px;
    border-radius: 34px;
    border: 1px solid #fff;
    margin: 0px 10px;
    padding: 0px 58px;
    display: inline-block;
    transition: all 0.5s;
}
.main_review_btn > a:hover {
    background-color: #ede68a;
    color: #2f3032;
    border: 1px solid #ede68a;
}
.main_review_btn > a.active {
    background-color: #ede68a;
    color: #2f3032;
    border: 1px solid #ede68a;
}
.main_review_con {
    display: flex;
    margin-top: 100px;
    justify-content: space-between;
    max-width: 1440px;
    width: 100%;
}
.main_review_con_title > p {
    font-size: 60px;
    font-weight: 700;
    line-height: 80px;
}
.main_review_con_title > p > span {
    color: #ede68a;
}
.main_review_con_text > span {
    font-size: 40px;
    font-weight: 700;
}
.main_review_con_text > p {
    color: #c3c3c3;
    font-size: 20px;
    font-weight: 400;
    line-height: 28px;
    margin-top: 20px;
}
.slide_wrap > div {
    display: flex;
}
.slide_wrapper {
    position: relative;
}
.main_review_slide img,
.main_xray_slide > div > div {
    margin: 0px 10px;
}
.main_xray_slide {
    opacity: 0;
    z-index: -1;
    position: absolute;
    left: 0px;
    top: 0px;
}
.main_xray_slide > div > div {
    position: relative;
    width: 400px;
    height: 210px;
}
.main_xray_slide > div > div > div {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.5s;
}
.main_xray_slide > div > div > div:hover {
    opacity: 1;
}
.main_xray_slide > div > div > div > p {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 14px;
}
.main_xray_slide > div > div > div > p > span {
    color: #ede68a;
}
.main_xray_slide > div > div > div > a {
    line-height: 33px;
    border-radius: 25px;
    border: 1px solid #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 0px 23px;
    color: #fff;
    background-color: transparent;
    transition: all 0.5s;
}
.main_xray_slide > div > div > div > a:hover {
    color: #191919;
    background-color: #ede68a;
    border: 1px solid #ede68a;
}
.slide_wrap {
    background-color: #2f3032;
    overflow: hidden;
}
.slide_wrap:before,
.slide_wrap:after {
    position: absolute;
    top: 0;
    width: 10rem;
    height: 100%;
    content: '';
    z-index: 1;
}
.slide_wrap:before {
    left: 0;
    background: linear-gradient(to right, #2f3032 0%, transparent 100%);
}
.slide_wrap:after {
    right: 0;
    background: linear-gradient(to left, #2f3032 0%, transparent 100%);
}
.slide1f {
    margin-bottom: 20px;
}
.main_review_1f {
    animation: scrolling1 30s linear infinite;
}
.main_review_2f {
    animation: scrolling1_1 30s linear infinite;
}
.main_xray_1f {
    animation: scrolling 60s linear infinite;
}
.main_xray_2f {
    animation: scrolling_1 60s linear infinite;
}
.slide2f:hover,
.slide1f:hover {
    animation-play-state: paused;
}
@keyframes scrolling {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}
@keyframes scrolling_1 {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}
@keyframes scrolling1 {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}
@keyframes scrolling1_1 {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(0);
    }
}