/*
* Prefixed by https://autoprefixer.github.io
* PostCSS: v7.0.29,
* Autoprefixer: v9.7.6
* Browsers: last 4 version
*/

* {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
	margin: 0;
	padding: 0;
    src: url(../font/BAHNSCHRIFT.TTF);
    font-family: "Bahnschrift", Times, serif;
    color: white;
    text-decoration: none;
    font-weight: lighter;
}

/* Header */
.header {
    position: fixed;
    width: 100%;
    z-index: 2;
}

.container {
    width: 90%;
    margin: 0 auto;
}

.popUp {
    position: relative;
    z-index: 1;
}

.header_2 {
    padding: 1.5rem 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.header_2-title {
   font-weight: 400;
   font-size: 2rem;
   letter-spacing: 0.4rem;
}

.header_2-navbar {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header_2-navbar_item {
    margin-left: 4rem;    
}

.header_2-navbar_item a {
    padding: 0.3rem 0;
}

/* .header_2-navbar_item a {
    transition-duration: ease-in-out 1s;
} */

.line {
    border-bottom: 2.8px #d29500 solid;
}

.menu_responsive {
    display: none;
    cursor: pointer;
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
}

.menu_responsive img{
    width: 0.7rem;
    -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
            transform: rotate(180deg);
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.showMenu {
    display: unset !important;
}

.rotate {
    -webkit-transform: rotate(360deg) !important;
        -ms-transform: rotate(360deg) !important;
            transform: rotate(360deg) !important;
    -webkit-transition: all 1s !important;
    -o-transition: all 1s !important;
    transition: all 1s !important;
}

/* phu_luc */
.phu_luc-sitemap {
    width: 100%;
    height: 200vh;
    background-image: url('../images/phu_luc/background_trang_2.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    position: absolute;
    z-index: 0;
    opacity: 0;
    transition: 1.5s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phu_luc-sitemap_in {
    background-image: url('../images/phu_luc/nen_den_trang_2.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    width: 67rem;
    height: 32rem;
    border-radius: 1rem;
}

.phu_luc-sitemap_in-top {
    height: 6.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
}

.phu_luc-sitemap_in_top-title {
    width: 11rem;
    height: 2.5rem;
}

.phu_luc-sitemap_in_top-x {
    width: 1.5rem;
    height: 2rem;
    cursor: pointer;
}

.phu_luc-sitemap_in-body {
    background-image: url('../images/phu_luc/so_do_trang_2.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: contain;
    width: 52rem;
    height: 21rem;
    margin: 0 auto;
}

.phu_luc-sitemap_in-body_row1 {
    display: flex;
    justify-content: center;
    font-size: 2rem;
    font-weight: bolder;
    padding-top: 2.5rem;
    padding-right: 0.5rem;
}

.phu_luc-sitemap_in-body_row2 {
    padding-top: 5.3rem;
    display: flex;
    justify-content: space-between;
}

.phu_luc-sitemap_in-body_row2-items {position: relative;}

.phu_luc-sitemap_in-body_row2-items1 {right: 1rem;}

.phu_luc-sitemap_in-body_row2-items2 {right: 7.4rem;}

.phu_luc-sitemap_in-body_row2-items3 {right: 3.5rem;}

.phu_luc-sitemap_in-body_row2-items4 {left: 3.8rem;}

.phu_luc-sitemap_in-body_row2-items5 {left: 1.5rem;}

.phu_luc-sitemap_in-body_row3 {
    padding-top: 5.5rem;
}

.phu_luc-sitemap_in-body_row3-items {
    position: relative;
}

.phu_luc-sitemap_in-body_row3-items2 {left: 1.5rem;}
.phu_luc-sitemap_in-body_row3-items3 {left: 3rem;}
.phu_luc-sitemap_in-body_row3-items4 {left: 3.5rem;}
.phu_luc-sitemap_in-body_row3-items5 {left: 4rem;}
.phu_luc-sitemap_in-body_row3-items6 {left: 5rem;}
.phu_luc-sitemap_in-body_row3-items7 {left: 7rem;}
.phu_luc-sitemap_in-body_row3-items8 {left: 8rem;}
.phu_luc-sitemap_in-body_row3-items9 {left: 9rem;}
.phu_luc-sitemap_in-body_row3-items10 {left: 10rem;}

.phu_luc-sitemap_in-bottom {
    display: flex;
    justify-content: space-between;
    padding: 0 3rem;
    align-items: center;
    height: 4.5rem;
}

.phu_luc-sitemap_in-bottom_left {
    display: flex;
    align-items: center;
}

.phu_luc-sitemap_in-bottom_left-img {
    width: 3rem;
    border-right: 2px solid #ffffff;
    padding-right: 0.8rem;
}

.phu_luc-sitemap_in-bottom_left-author {
    margin-left: 1rem;
}

.phu_luc-sitemap_in-body_row1 {
    display: flex;
}

.phu_luc-sitemap_in-body_row2 {
    display: flex;
}

.phu_luc-sitemap_in-body_row3 {
    display: flex;
}

.phu_luc-arrow {
    width: 0%;
    height: 100vh;
    background-image: url('../images/phu_luc/clip_trang_1.gif');
    background-position: right;
    background-repeat: no-repeat;
    background-size: contain;
    position: absolute;
    z-index: 0;
    opacity: 0;
    transition: 1.5s ease;
    display: flex;
    justify-content: space-between;
}

.phu_luc-arrow-in {
    background-image: url('../images/phu_luc/nen_den_trang_1.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 35rem;
    padding: 4rem 5rem;
    font-size: 0.8rem;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: 1.5s ease;
    opacity: 0;
}

.phu_luc-arrow-in_title {
    width: 25rem;
    margin-bottom: 2rem;
}

.phu_luc-arrow-in-ending img {
    width: 6.5rem;
    margin: 1.2rem auto;
}

.phu_luc-arrow-in-ending {
    display: flex;
    justify-content: flex-end;
}

.phu_luc-arrow_x {
    width: 1.5rem;
    height: 2rem;
    margin: 3.5rem;
    cursor: pointer;
}

.phu_luc-arrow-in-time {
    font-size: 1rem;
    font-weight: bolder;
    text-align: right;
}

.phu_luc-arrow-in-content {
    line-height: 1.6rem;
    padding: 1rem 0;
    width: 25rem;
}

.phu_luc-arrow-in-ending_in {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.phu_luc-download {
    width: 100%;
    height: 120vh;
    background-image: url('../images/phu_luc/z2669150823019_951644117d9a247c00102d1d74555f41.jpg');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    position: absolute;
    z-index: 0;
    opacity: 0;
    transition: 1.5s ease;
}

.phu_luc-download_in {
    background-image: url('../images/phu_luc/z2669150822260_ab5bfa3aa8157f582c2e264e976ca9a2.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    transition: 1.5s ease;
    width: 78rem;
    height: 35rem;
    border-top-right-radius: 1rem;
    border-bottom-right-radius: 3rem;
    display: flex;
    position: relative;
    bottom: 20rem;
}

.phu_luc-download_in-show {
    bottom: 0rem;
}

.phu_luc-download_col1 {
    width: 35.5rem;
}

.phu_luc-download_col1-in {
    padding: 3.5rem 4.5rem;
    width: 32rem;
}

.phu_luc-download_col1-title {
    width: 11rem;
    margin-bottom: 3rem;
}

.phu_luc-downloasd_col1-desc {
    font-weight: bolder;
    text-align: center;
    font-size: 2.2rem;
}

.phu_luc-download_col1-code {
    border: none;
    outline: none;
    background-color: #191816;
    padding: 0.8rem 1rem;
    text-align: center;
    width: 23rem;
    font-size: 1.1rem;
    font-weight: bolder;
}

.phu_luc-download-col1-code_form {
    display: flex;
    margin: 1.3rem 0;
    position: relative;
}

.phu_luc-download_col1-key {
    background-color: #5b5b58;
    width: 3rem;
    height: 3rem;
    align-self: center;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    right: 0;
}

.phu_luc-download_col1-key img {
    width: 2rem;
}

.phu_luc-download_col1-submit {
    background-image: url('../images/phu_luc/o_code_trang_3.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    padding: 0.8rem 6.3rem;
    border: none;
    outline: none;
    font-size: 1.2rem;
    letter-spacing: 0.1rem;
    font-weight: bolder;
    cursor: pointer;
    margin-top: 1.2rem;
}

.phu_luc-download_author {
    margin-top: 5rem;
}

.phu_luc-download_col2 {
    padding: 3.5rem 4.5rem;
    width: 35.7rem;
}

.phu_luc-download_col2-item {
    border-top: 1px solid #ffffff;
    padding: 1.12rem 0;
    letter-spacing: 0.1rem;
    display: flex;
    justify-content: space-between;
}

.phu_luc-Research{
    border-bottom: 1px solid #ffffff;
}

.phu_luc-download_col3 {
    width: 6.5rem;
    display: flex;
    justify-content: center;
    padding: 3rem 0;
}

.phu_luc-download_col3-x {
    width: 1.5rem;
    height: 2rem;
    cursor: pointer;
}

.phu_luc-show {
    z-index: 5;
    opacity: 1;
    height: 100vh;
    width: 100%;
}

/* Home */
.home {
    position: relative;
}

/* Background */
.background_image {
    position: fixed;
    height: 100vh;
    width: 100%;
}

.background_image-relative {
    position: relative;
    height: 100vh;
    width: 100%;
}

.background_image-items {
    min-height: 100vh;
    width: 100%;
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    position: absolute;
    -webkit-transition: all 2s;
    -o-transition: all 2s;
    transition: all 2s;
}

.background_image-items-page1 {
    background-image: url('../images/anh_nen/trang_1.png');
    z-index: 1;
}

.background_image-items-page2 {
    background-image: url('../images/anh_nen/trang_3.png');
}

.background_image-items-page3 {
    background-image: url('../images/anh_nen/trang_4.png');
}

.background_image-items-page4 {
    background-image: url('../images/anh_nen/trang_5_6.png');
}

.background_image-items-page5 {
    background-image: url('../images/anh_nen/trang_7.png');
}

.background_image-items-page6 {
    background-image: url('../images/anh_nen/trang_8_11.png');
}

.background_image-items-page9 {
    background-image: url('../images/anh_nen/trang_18_34.png');
}

.background_image-items-page11 {
    background-image: url('../images/anh_nen/trang_37.png');
}

.background_image-items-page12 {
    background-image: url('../images/anh_nen/trang_38.png');
}

/* End background */

/* Page 1 */
.page1 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page1_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page1_content-left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    margin-left: 2.4rem;
}

.page1_content-left_img {
    max-width: 9rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    padding-top: 10vh;
    padding-bottom: 4vh;
    position: relative;
    left: 5rem;
}

.page1_content-left_welcome {
    width: 20rem;
}

.welcome_1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.welcome1_img {
    max-width: 3rem;
}

.welcome1_text {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
    margin-left: 1rem;
}

.welcome_2 {
    color: #d29500;
    src: url(font/OLD.ttf);
    font-family: Old English Text MT;
    font-size: 2.8rem;
    font-weight: bold;
    line-height: 3rem;
}

.welcome_3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
}

.welcome3_text {
    line-height: 1.5rem;
    padding: 2vh 0;
}

.welcome3_text-author {
    -ms-flex-item-align: end;
        align-self: flex-end;
    padding: 0.5rem 0;
}

.button {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
    border: 1px #d29500 solid;
    border-radius: 10rem;
    padding: 0.7rem 2.2rem;
    cursor: pointer;
    display: inline-block;
}

.page1_content-left_button {
    margin-top: 7vh;
}

.page1_content-right {
    width: 24rem;
}

.page1_content-right_1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-top: 12vh;
    height: 13rem;
}

.page1_content-right_1-img {
    height: 12rem;
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
    position: relative;
    right: 4rem;
}

.page1_content-right_1-text {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -ms-flex-pack: distribute;
        justify-content: space-around;
    width: 2rem;
}

.page1_content-right_1-text_2 {
    -webkit-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
            transform: rotate(90deg);
    padding: 0.3rem 0;
    cursor: pointer;
    width: 3.5rem;
}

.website {
    -webkit-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
            transform: rotate(90deg);
    border-bottom: 2.8px #d29500 solid;
}

.page1_content-right_2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: absolute;
    margin-top: 8vh;
    background-image: url('../images/trang_tri/trang_1_nhom_3.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
}

.page1_content-right_2-left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    padding-left: 2.3rem;
    padding-right: 2.3rem;
    padding-top: 1.5rem;
    padding-bottom: 2rem;
}
.page1_content-right_2-title {
    font-family: Old English Text MT;
    font-weight: bold;
    font-size: 2rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-right: 1.5rem;
}

.page1_content-right_2-desc {
    line-height: 1.5rem;
    margin-top: 1rem;
}

.page1_content-right_2-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    padding: 1.5rem;
    cursor: pointer;
}

.page1_content-right_2-right_img {
    max-width: 2rem;
}

.page1_content-right_3 {
    margin-top: 42vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 16rem;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-left: auto;
    margin-right: auto;
}

.scroll-down {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    width: 5rem;
    cursor: pointer;
}

.scroll-down_text {
    width: 3rem;
    line-height: 1.5rem;
}

.Contact-me {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    width: 7rem;
    cursor: pointer;
}

.Contact-me_text {
    width: 5rem;
    line-height: 1.5rem;
}

.icon {
    width: 0.8rem;
    height: 0.8rem;
}
/* End Page 1 */

/* Page 2 */
.page2 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page2_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page2_content-scrollBar {
    -ms-flex-preferred-size: 10%;
        flex-basis: 10%;
    margin-right: 4rem;
}

.page2_content-scrollBar_img {
    width: 2rem;
}

.page2_content-text {
    -ms-flex-preferred-size: 90%;
        flex-basis: 90%;
}

.page2_content-left {
    width: 41rem;
    -ms-flex-item-align: center;
        align-self: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
}

.page2_content-left_desc {
    padding: 7vh 0;
    line-height: 1.5rem;
    font-size: 0.9rem;
}

.page2_content-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    width: 16rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-right: 4%;
    margin-bottom: 1.5rem;
}

.page2_content-text {
    margin-top: 14vh;
    width: 100%;
    height: 80vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page2_trangtri {
    position: absolute;
    height: 100vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    width: 100%;
    bottom: 0rem;
}

.page2_trangtri-image_h1 {
    width: 32rem;
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
    margin-left: 2rem;
}

.page2_trangtri-image_h2 {
    width: 17rem;
}
/* End Page 2 */

/* Start Page 3 */
.page3 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page3_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page3_content-scrollBar {
    margin-bottom: 7rem;
} 

.page3_content-scrollBar_img {
    width: 2rem;
} 

.page3_content-main {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 100vh;
}

.page3_content-main_top {
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-top: 16vh;
}

.academic {
    margin-bottom: 5rem;
    width: 2rem;
    -webkit-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
            transform: rotate(-90deg);
    cursor: pointer;
}

.page3_content-title {
    text-align: center;
}

.page3_content-image {
    width: 5rem;
}

.page3_content-text {
    font-family: Lucida Calligraphy;
    font-weight: bold;
    font-size: 1.5rem;
    padding-top: 2%;
}

.page3_content-achive {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
        justify-content: space-around;
}

.column {
    width: 12rem;
}

.page3_content-achive_item {
    padding: 0 1.4rem;
    margin-top: 15%;
}

.page3_content-achive_item-2015 {
    padding: 0 1.3rem;
}

.page3_content-achive_item-2019 {
    padding: 0 1.7rem;
}

.page3_content-achive_item-2014 {
    padding: 0 1.7rem;
}

.page3_content-achive_item-2017 {
    padding: 0 1.9rem;
    position: relative;
    right: 0.6rem;
}

.achive_item-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    margin-bottom: 0.5rem;
}

.achive_item-image {
    width: 1.3rem;
}

.achive_item-year {
    font-weight: bolder;
    margin-left: 0.7rem;
}

.achive_item-desc {
    font-size: 0.9rem;
    line-height: 1.2rem;
}

.page3_content-main_bottom2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    padding-top: 11vh;
}

.main_bottom-left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.main_bottom-left_left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    width: 17rem;
    line-height: 2rem;
}

.main_bottom-left_left-1 {
    font-size: 1.5rem;
}

.main_bottom-left_left-2 {
    opacity: 0.7;
    font-size: 1.5rem;
}
.main_bottom-left_left-3 {
    color: #d29500;
}

.main_bottom-left_right {
    width: 22rem;
    margin-left: 1.5rem;
    line-height: 1.5rem;
}

.main_bottom-left_right-1 {
    font-style: italic;
}

.main_bottom-left_right-1 span {
    color: #d29500;
}

.main_bottom-left_right-2 {
    opacity: 0.7;
}

.main_bottom-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    width: 16rem;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-right: 4%;
}
/* End Page 3 */

/* Start Page 4 */
.page4 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page4_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

/* .page4_content-scrollBar {
    
}  */

.page4_content-scrollBar_img {
    width: 2rem;
} 

.page4_content-main {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
}

.page4_content-main_top {
    -ms-flex-item-align: end;
        align-self: flex-end;
    position: relative;
    top: 3rem;
    right: 1rem;
}

.page4_content-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.page4_content-text {
    font-weight: bolder;
    font-size: 1.8rem;
}

.page4_content-achive {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
    background-color: #383830;
    position: relative;
    width: 38rem;
    height: 21rem;
    border-radius: 1rem;
}

.page4-column {
    width: 9.5rem;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    cursor: pointer;
}

.page4-column-1 {
    border-top-left-radius: 1rem;
    border-bottom-left-radius: 1rem;
}

.page4-column-4 {
    border-top-right-radius: 1rem;
    border-bottom-right-radius: 1rem;
}

.page4-column:hover {
    background-color: #4b4427;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.page4_content-achive_item {
    padding: 1.5rem 1rem;
}

/* .page4-achive_item-title {

} */

.page4-achive_item-image {
    width: 2.8rem;
}

.page4-achive_item-year {
    font-weight: bold;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-family: Lucida Calligraphy;
}

.page4-achive_item-desc {
    font-size: 0.7rem;
    line-height: 1rem;
}

.page4_content-main_bottom2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    position: relative;
    top: 2rem;
}

/* .page4_main_bottom-left {
    
} */

.page4_content-achive_bottom {
    position: absolute;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-item-align: end;
        align-self: flex-end;
    width: 100%;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 0rem 2rem;
    padding-bottom: 0.7rem;
}

.page4_achive-bottom-designby span {
    opacity: 0.7;
}

.page4_achive-bottom-image {
    width: 2.5rem;
    cursor: pointer;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page4_main-bottom-left_title {
    font-size: 1.8rem;
    color: #d29500;
    font-weight: bolder;
    margin-bottom: 0.5rem;
}

.page4_main-bottom-left_desc {
    line-height: 1.8rem;
}

.page4_main-bottom-left_author {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    font-weight: bolder;
    opacity: 0.7;
    padding: 1rem 0;
}

.page4-howiwork {
    width: 100%;
    padding: 1rem 2rem 3rem 2rem;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page4-howiwork_text {
    width: 17rem;
}

.page4-howiwork_title {
    font-family: Lucida Calligraphy;
    text-align: center;
    font-weight: bold;
    font-size: 1.5rem;
}

.page4-howiwork_main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-top: 2rem
}

.page4-howiwork_image {
    width: 12rem;
}

.page4-howiwork_question {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page4-question_title {
    font-size: 1rem;
    font-weight: bold;
}

.page4-question_desc {
    font-size: 0.9rem;
    padding: 0.5rem 0;
}

.page4-question_title span {
    font-family: Lucida Calligraphy;
    font-weight: bold;
}

.page4-howiwork_bigtext {
    color: #d29500;
    font-weight: bolder;
    font-size: 1.2rem;
    padding: 0.5rem 0;
}

.page4-howiwork_bigtext img {
    width: 1.2rem;
}

.page4-howiwork_smalltext {
    font-size: 0.8rem;
}

.hide {
    display: none !important;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.routed2 {
    -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
            transform: rotate(180deg);
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}
/* End Page 4 */

/* Page 5 */
.page5 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page5_content-scrollBar {
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-bottom: 5rem;
}

.page5_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page5_content-scrollBar_img {
    width: 2rem;
} 

.january2021 {
    position: relative;
    right: 2rem;
    margin-bottom: 6rem;
    width: 6rem;
    -webkit-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
            transform: rotate(-90deg);
    cursor: pointer;
}

.page5_content-main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}

.page5_content-main_left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    width: 33rem;
    margin: 0 1.5rem;
}

.page5_content-main_left-desc {
    line-height: 1.5rem;
    padding-top: 1rem;
    padding-bottom: 2.5rem;
}

.hr {
    width: 4.5rem;
    opacity: 0.7;
    border-bottom: 3px white solid;
}

.page5_content-main_right {
    position: relative;
    top: 2rem;
    left: 3rem;
}

.page5_content-main_right-image {
    width: 25rem;
}

.page5_content-main_left-title {
    color: #d29500;
    font-family: Zapf Calligraphic;
    font-size: 3.5rem;
    width: 18rem;
    line-height: 5rem;
    letter-spacing: 0.3rem;
}

.page5_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    position: relative;
    z-index: 1;
}

.page5_content-bottom_right {
    margin-right: 8%;
}

.page5_slide {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.page5_slide-item {
    margin-top: 4.3rem;
    height: 9rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align:end;
        -ms-flex-align:end;
            align-items:flex-end;
    padding-right: 1rem;
    background: url('../images/trang_tri/trang_7_h7.png');
    background-position: bottom;
    background-repeat: no-repeat; 
    background-size: 100% 7rem;
    cursor: pointer;
    margin-right: 1rem;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.page5_slide-item:hover {
    background: url('../images/trang_tri/trang_7_h8.png');
    background-size: 100% 9rem;
    background-position: bottom;
    background-repeat: no-repeat; 
    padding-left: 1rem;
    padding-right: 2rem;
    padding-bottom: 0.5rem;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.page5_slide-item_bigBackground {
    background: url('../images/trang_tri/trang_7_h8.png');
    background-size: 100% 9rem;
    background-position: bottom;
    background-repeat: no-repeat; 
    padding-left: 1rem;
    padding-right: 2rem;
    padding-bottom: 0.5rem;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.page5_slide-item_img {
    width: 8rem;
    height: 12rem;
}

.page5_slide-item_title {
    font-size: 2.5rem;
    letter-spacing: 0.3rem;
}

.page5_slide-item_more {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 0.5rem 0;
}

.page5_slide-item_more img {
    width: 1.5rem;
    margin-left: 0.8rem;
} 

.page5_trangtri {
    position: absolute;
    height: 100vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
    width: 100%;
    bottom: 0rem;
}

.page5_trangtri-image {
    width: 25rem;
    height: 15rem;
}

/* End page 5 */

/* Page 6 */
.page6 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page6_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    margin-top: 10vh;
}

.page6_content-scrollBar_img {
    width: 2rem;
    margin-top: 9rem;
} 

.page6_content-main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 25rem;
}

.page6-main_col-1 {
    width: 19rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page6-main_col-1_all {
    margin-top: 5rem;
}

.page6-main_col-1 img {
    width: 12rem;
}

.page6-main_col-1-title {
    width: 8rem;
    margin: 0 0.5rem;
}

.page6-main_col-2 {
    height: 25rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page6-main_col-2_top {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
}

.page6-main_col-2_top img{
    width: 16rem;
}

.page6-main_col-2_top-title{
    width: 13rem;
    margin-left: 0.2rem;
}

.page6-main_col-2_bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page6-main_col-2_bottom img{
    width: 14rem;
}

.page6-main_col-2_bottom-title2 {
    width: 18rem;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    text-align: right;
    margin-right: 0.8rem;
    margin-bottom: 0.8rem;
}


.page6-main_col-3 {
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-bottom: 3.5rem;
}

.page6-main_col-3 img {
    width: 11rem;
}


.page6_content-bottom {
    margin-top: 7vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 1;
}

.page6_content-bottom_right {
    margin-right: 2.8rem;
}

/* 2 */
.page6_content-main-2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 25rem;
}

.page6-main_col-1-2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    margin-bottom: 5rem;
}

.page6-main_col-1-2 img {
    width: 10rem;
    height: 12rem;
}

.page6-main_col-1-title-2 {
    margin: 0 0.8rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    text-align: right;
}

.page6-main_col-2-2 {
    width: 25rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-left: 1rem;
    margin-right: 6rem;
}

.page6-main_col-2_top-2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.page6-main_col-2_top-2 img{
    width: 16rem;
}

.page6-main_col-2_top-title-2 {
    margin-left: 0.8rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page6-main_col-2_bottom-2 {
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page6-main_col-2_bottom-2 img{
    width: 13rem;
}

.page6-main_col-2_bottom-title2-2 {
    margin-left: 0.8rem;
    margin-bottom: 0.8rem;
}

.page6-main_col-3-2 {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
}

.page6-main_col-3-2 img {
    width: 12rem;
}

.page6-main_col-3-title-2 {
    text-align: right;
    margin-right: 0.8rem;
}

/* 3 */

.page6_content-main-3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 25rem;
}

.page6-main_col-1-3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page6-main_col-1_all-3 {
    margin-top: 5rem;
}

.page6-main_col-1-3 img {
    width: 12rem;
}

.page6-main_col-1-title-3 {
    width: 8rem;
    margin: 0 0.8rem;
}

.page6-main_col-2-3 {
    width: 37rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page6-main_col-2_top-3 {
    -ms-flex-item-align: end;
        align-self: flex-end;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-right: 3rem;
}

.page6-main_col-2_top-3 img{
    width: 10rem;
}

.page6-main_col-2_top-title-3 {
    margin-left: 0.2rem;
    margin-top: 0.5rem;
}

.page6-main_col-2_bottom-3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
}

.page6-main_col-2_bottom-3 img{
    width: 14rem;
}

.page6-main_col-2_bottom-title2-3 {
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
    text-align: right;
    margin-right: 0.8rem;
    margin-bottom: 0.8rem;
}

.page6-main_col-3-3 {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
}

.page6-main_col-3-3 img {
    width: 11rem;
}

.page6-main_col-3-title-3 {
    text-align: right;
}

/* 4 */

.page6_content-main-4 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    height: 25rem;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}

.page6-row-1-4 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: relative;
    bottom: 3rem;
}

.page6-row-1-4_left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
}

.page6-row-1-4_left-img {
    position: relative;
}

.page6-1-4-img {
    width: 14rem;
}

.page6-1-4-gift {
    width: 10.5rem;
    height: 7.2rem;
    position: absolute;
    left: 1.7rem;
    top: 0.6rem;
}

.page6-row-1-4_right {
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    width: 31rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.page6-row-1-4_right img {
    width: 22rem;
}

.page6-row-1-4_left-text {
    margin: 2rem;
    line-height: 1.3rem;
    font-size: 0.9rem;
}

.page6-row-2-4 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    height: 30rem;
}

.page6-row-2-4_left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 44rem;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
}

.page6-row-2-4_left-img {
    position: relative;
}

.page6-2-4-img {
    width: 14rem;
}

.page6-2-4-gift {
    width: 13.1rem;
    height: 7.1rem;
    top: 0.3rem;
    position: absolute;
    right: 0.5rem;
}

.page6-row-2-4_left-text {
    text-align: right;
    margin: 2rem 2.4rem;
    -ms-flex-item-align: start;
        align-self: flex-start;
    line-height: 1.3rem;
    font-size: 0.9rem;
}

.page6-row-2-4_right-text {
    line-height: 1.3rem;
    font-size: 0.9rem;
    position: relative;
    bottom: 3rem;
}

/* Page6 slide bottom */

.page6_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page6_slide-text {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: absolute;
    width: 100%;
}

.page6_slide-text_item1 {
    margin-bottom: 5rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-left: 2rem;
}

.page6_slide-text_item2 {
    margin-bottom: 3rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-left: 1.5rem;
}

.page6_slide-text_item3 {
    margin-bottom: 3rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-left: 1.7rem;
}

.page6_slide-text_item4 {
    margin-bottom: 3rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
    margin-left: 1.7rem;
}

.page6_slide-text_item {
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.page6_slide-img {
    width: 40rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page6_fk-button {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: absolute;
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
    opacity: 0;
}

.page6_fk-button_item {
    cursor: pointer;
}

.page6_fk-button_id {
    margin-left: 4.7rem;
}

.page6_fk-button_ai {
    margin-left: 8.1rem;
}

.page6_fk-button_lr {
    margin-left: 9rem;
}

.page6_fk-button_ms {
    margin-left: 7.6rem;
}

.page6_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
}

/* End page 6 */

/* Page 7 */
.page7 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
    position: relative;
}

.page7_background-video {
    position: relative;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    object-fit: fill;
} 

.page7_background-lotNen {
    width: 100%;
    height: 100vh;
    position: absolute;
    bottom: 0;
    right: 0;
    top: 0;
    left: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page7_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page7_content-scrollBar_img {
    width: 2rem;
    margin-top: 9rem;
} 

.page7_content-main {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: 28rem;
}

.page7_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 2;
    position: relative;
    top: 3rem;
}

.page7_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page7_slide-img {
    width: 26rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page7_content-bottom_right {
    margin-right: 2.8rem;
}

.page7_content-main_img {
    position: relative;
    width: 32rem;
    height: 31rem;
    top: 2rem;
    z-index: 1;
}

.page7_content-main_img-0 {
    width: 19rem;
    height: 9rem;
    position: absolute;
    top: 13%;
    left: 11%;
    opacity: 0;
}

/* Page 8 */
.page8 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page8_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
} 

.page8_background-video {
    position: relative;
    right: 0;
    bottom: 0;
    min-width: 100%; 
    min-height: 100%;
}

.page8_background-lotNen {
    background-image: url('../images/anh_nen/trang_13_17_lot_nen.png');
    background-position: center;
    background-repeat: no-repeat; 
    height: 100vh;
    width: 100%;
    background-size: cover;
    position: absolute;
    bottom: 0;
    right: 0;
    top: 0;
    left: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page8_content {
    margin-top: 8vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page8_content-scrollBar {
    margin-bottom: 3rem;
}

.page8_content-scrollBar_img {
    width: 2rem;
    margin-top: 6.5rem;
} 

.Books {
    position: relative;
    right: 3rem;
    width: 8rem;
    -webkit-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
            transform: rotate(-90deg);
    cursor: pointer;
    transition:  all 1s;
}

.page8_content-main_all {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin-right: 5rem;
}

.page8_content-main {
    border-radius: 1rem;
    border: 1px solid #525252;
    padding: 0.5rem;
    width: 48rem;
    height: 25.4rem;
    position: relative;
}

.page8_content-main_in {
    background-image: url('../images/anh_nen/trang_12_lot_nen.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
    border-radius: 1rem;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    padding-top: 1rem;
    padding-bottom: 1.5rem;
    transition: all 1s;
    height: 24.25rem;
}

.page8_content-main-header {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.page8_content-main-header_title {
    font-weight: bolder;
}

.page8_content-main-header_img {
    width: 5rem;
}

.page8_content-main-author {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.page8_content-main-author span {
    color: #f6c638;
}

.page8_author-type {
    margin-left: 5rem;
}

.page8_content-main-desc {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: 0.9rem;
    height: 6.9rem;
}

.page8_desc-text {
    line-height: 1.3rem;
    width: 29rem;
}

.page8_desc-img {
    width: 10rem;
    margin-left: 3rem;
}

.page8_content-main-books {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    height: 8rem;
}

.page8_books-arrow {
    width: 0.8rem;
    height: 1.1rem;
    cursor: pointer;
    margin-bottom: 2.3rem;
}

/* .page8_books-arrow_left {
    
} */

.page8_books-arrow_right {
    -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
            transform: rotate(180deg);
}

.page8_books-slide {
    width: 37rem;
    height: 8rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
    overflow-x: hidden;
}

.page8_books-slide_all {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    transition: all 1s ease-out;
}

.page8_books-slide_items {
    width: 3.5rem;
    height: 5.5rem;
    cursor: pointer;
    margin-right: 2rem;
    transition: all 0.5s ease-out;
}

.page8_books-slide_items:hover {
    -webkit-transform: translateY(-8px);
        -ms-transform: translateY(-8px);
            transform: translateY(-8px);
    -webkit-transition: 0.3s ease-out;
    -o-transition: 0.3s ease-out;
    transition: 0.3s ease-out;
}

.page8_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 2;
    position: relative;
    margin-top: 1vh;
    top: 2rem;
}

.page8_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page8_slide-img {
    width: 30rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page8_content-bottom_right {
    margin-right: 2.8rem;
}

.page8_content_tree {
    background-image: url('../images/anh_nen/trang_12_lot_nen.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 1rem;
    padding-left: 2.5rem;
    padding-right: 2.5rem;
    padding-top: 1rem;
    padding-bottom: 1.5rem;
    width: 46.8rem;
    position: absolute;
    transition: all 1s;
    height: 24.3rem;
    opacity: 0;
}

.page8_content_tree-arrow_back {
    position: absolute;
    width: 3rem;
    cursor: pointer;
    transform: rotate(180deg);
}

.page8_content_tree-top {
    display: flex;
}

.page8_content_tree-bottom {
    text-align: center;
    font-weight: bold;
    color: #c09200;
    font-size: 1.8rem;
}

.page8_content_tree-background {
    position: absolute;
    transform: translateX(50%);
    bottom: 4rem;
}

.page8_tree-col-1 {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
    margin-left: 1rem;
}

.page8_tree-col-1_text {
    width: 12rem;
    margin-bottom: 2.5rem;
}

.page8_tree-col-1_text-2 {
    width: 13rem;
    margin-left: 1rem;
}

.page8_tree-col-1_text-title {
    text-align: right;
}

.page8_col-2_img-background {
    position: relative;
    width: 20rem;
}

.page8_col-2_img {
    width: 14rem;
    position: absolute;
    bottom: 0;
    left: 5rem;
}

.page8_tree-col-2_text {
    text-align: center;
    margin: 0 auto;
    width: 11rem;
}

.page8_tree-col-2 {
    height: 20.5rem;
}

.page8_tree-desc {
    font-size: 0.8rem;
    line-height: 1.4rem;
    margin-top: 0.4rem;
}

.page8_tree-col-3_text {
    width: 10rem;
    margin-bottom: 3rem;
}

.page8_tree-col-3_text-2 {
    width: 12rem;
    margin-left: 1.5rem;
}

.page8_tree-col-3 {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
    margin-left: 2rem;
}

.page8_content_tree-glass {
    position: absolute;
    width: 5rem;
    right: 2.5rem;
}

/* Page 9 */
.page9 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page9_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
} 

.page9_content {
    margin-top: 8vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page9_content-scrollBar {
    margin-bottom: 3rem;
}

.page9_content-scrollBar_img {
    width: 2rem;
    margin-top: 6.5rem;
} 

.Blogs {
    position: relative;
    right: 2rem;
    width: 6rem;
    -webkit-transform: rotate(-90deg);
        -ms-transform: rotate(-90deg);
            transform: rotate(-90deg);
    cursor: pointer;
    transition:  all 1s;
}

.page9_content-main {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: flex-end;
    height: 25rem;
}

.page9_content-main2 {
    display: flex;
    width: 100%;
    justify-content: center;
    height: 25rem;
}

.page9_contain-main2-in {
    width: 71rem;
}
/* left */
.page9_main-left {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.page9_main-left_mirror {
   position: relative;
}

.page9_main-left-mirrow-img {
    width: 13rem;
}

.page9_main-left-mirrow-img2 {
    position: absolute;
    bottom: -0.6rem;
    width: 15rem;
    right: -1rem;
}

.page9_main-left_bar {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
    align-items: center;
}

.page9_main-left_bar-number {
    margin: 0 0.8rem;
    font-weight: bold;
    font-size: 1.2rem;
    color: #d29500;
}

.page9_main-left_bar-arrow {
    width: 2rem;
    cursor: pointer;
}

.page9_main-left_bar-arrow_left {
    transform: rotate(180deg);
}
/* right */
.page9_main-right {
    width: 32.5rem;
    margin-bottom: 1rem;
    margin-left: 8rem;
}

.page9_main-right_title-small {
    color: #d29500;
}

.page9_main-right_title-big {
    font-weight: bolder;
    font-size: 2.8rem;
    margin: 0.3rem 0;
    letter-spacing: 0.15rem;
}

.page9_main-right_author {
    display: flex;
    align-items: flex-end;
}

.page9_main-right_author-text {
    font-size: 0.8rem;
    color: #d29500;
    margin-left: 0.5rem;
}

.page9_main-right_author-img {
    width: 1.5rem;
    transform: scaleX(-1);
}

.page9_main-right-content {
    font-size: 0.8rem;
    line-height: 1.5rem;
    margin-top: 1.2rem;
    margin-bottom: 2.5rem;
}

.page9_main-right-button {
    display: inline;
    border: 1px solid #d29500;
    padding: 0.5rem 2rem;
    border-radius: 2rem;
    cursor: pointer;
}

.page9_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 2;
    position: relative;
    top: 2.5rem;
}

.page9_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page9_slide-img {
    width: 30rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page9_content-bottom_right {
    margin-right: 2.8rem;
}

.page9_main2-top {
    display: flex;
    justify-content: space-between;
}

.page9_main2-top_right-img {
    width: 2rem;
    transform: rotate(180deg);
    cursor: pointer;
}

.page9_main2-content-big {
    font-size: 0.8rem;
    margin-top: 1rem;
    height: 17rem;
    overflow-y: scroll;
    line-height: 1.5rem;
}

.page9_main2-content-big1 {
    font-size: 0.79rem;
}

.page9_main2-content-big_in {
    width: 66.5rem;
    margin-top: 0.5rem;
}

.page9_main2-content-big-add {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    font-size: 0.8rem;
    position: relative;
}

.page9_main2-content-big-col-2 {
    text-align: center;
    margin: 0 0.5rem;
}

.page9_main2-content_big-img {
    width: 3.5rem;
}

.page9_main2-content_big-img2 {
    width: 27rem;
}

.page9_main2-content-big-add2 {
    width: 100%;
    text-align: center;
    margin: 0.5rem 0;
}

.page9_main2-add-text {
    display: flex;
    width: 100%;
}

.page9_main2-add-text-items {
    position: relative;
}

.page9_main2-add-text-items1 {
    left: 20.6rem;
}
.page9_main2-add-text-items2 {
    left: 25rem;
}
.page9_main2-add-text-items3 {
    left: 29rem;
}
.page9_main2-add-text-items4 {
    left: 32rem;
}

::-webkit-scrollbar {
    width: 0.4rem;
    height: 1rem;
}
  
/* Track */
::-webkit-scrollbar-track {
    border-radius: 2rem;
    background-image: url('../images/trang_tri/trang_19_h1.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: contain;
}
   
  /* Handle */
::-webkit-scrollbar-thumb {
    border-radius: 2rem;
    background-image: url('../images/trang_tri/trang_19_h2.png');
    background-position: center;
    background-repeat: no-repeat; 
    background-size: cover;
}

.page9_content-main3 {
    width: 100%;
    display: flex;
    justify-content: center;
    height: 25rem;
} 

.page9_content-main3_in {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page9_content-main3_top {
    display: flex;
}

.page9_content-main3_slide {
    display: flex;
    align-items: center;
    margin: 2rem 0;
}

.page9_content-main3_desc {
    width: 49rem;
    line-height: 1.4rem;
    font-size: 0.9rem;
}

.page9_content-main3-mirror {
    position: relative;
    width: 8rem;
    height: 12rem;
    margin-right: 4rem;
}

.page9_content-main3-img1 {
    width: 7.5rem;
    position: absolute;
    z-index: 1;
}

.page9_content-main3-img2 {
    width: 5rem;
    height: 9rem;
    position: absolute;
    top: 2.2rem;
    left: 1.3rem;
}

.page9_content-main3-text-desc {
    display: flex;
}

.page9_content-main3-text {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.page9_content-main3-text-top {
    color: #d29500;
}

.page9_content-main3-text-title {
    font-size: 2.5rem;
    font-weight: bolder;
    margin-bottom: 1.5rem;
}

.page9_content-main3-text-hr {
    width: 3.5rem;
    height: 0.15rem;
}

.page9_content-main3-text-desc {
    margin-top: 1rem;
}

.page9_content-main3-text-desc-col1 {
    margin-right: 3rem;
}

.page9_content-main3-text-desc-item {
    margin-top: 0.7rem;
    font-size: 0.9rem;
}

.page9_content-main3_slide-arrow-left {
    width: 0.7rem;
    height: 0.9rem;
    transform: rotate(180deg);
    cursor: pointer;
}

.page9_content-main3_slide-arrow-right {
    width: 0.7rem;
    height: 0.9rem;
    cursor: pointer;
}

.page9_content-main3_slide-slide_in {
    overflow: hidden;
    display: flex;
    flex-wrap: nowrap;
    width: 49rem;
    margin: 0 1.5rem;
    transition: all 1s;
}

.page9_content-main3_slide-slide_in-items {
    width: 49rem;
    transition: all 1s ease-out;
}

.page9_content-main3_slide-slide_in-items-root {
    margin-right: 1rem;
}

/* Page 10 */
.page10 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page10_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
} 

.page10_background-video {
    position: relative;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    object-fit: fill;
}

.page10_background-lotNen {
    background-image: url('../images/anh_nen/trang_35_36_lot_nen.png');
    background-position: center;
    background-repeat: no-repeat; 
    height: 100vh;
    width: 100%;
    background-size: cover;
    position: absolute;
    bottom: 0;
    right: 0;
    top: 0;
    left: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page10_content {
    margin-top: 8vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page10_content-scrollBar {
    margin-bottom: 3rem;
}

.page10_content-scrollBar_img {
    width: 2rem;
    margin-top: 6.5rem;
} 

.page10_content-main_all {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}

.page10_content-main {
    width: 60rem;
}

.page10_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 2;
    position: relative;
    top: 3rem;
}

.page10_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page10_slide-img {
    width: 30rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page10_content-bottom_right {
    margin-right: 2.8rem;
}

.page10_content-main-bottom {
    display: flex;
    justify-content: space-between;
}

.page10_content-main-bottom_right {
    display: flex;
    align-items: center;
    position: relative;
    top: 1rem;
}

.page10_content-main-smallTitle {
    color: #d29500;
}

.page10_content-main-bigTitle {
    font-size: 2.7rem;
    font-weight: bolder;
}

.page10_content-main-hr {
    width: 3.2rem;
    height: 0.2rem;
    margin-top: 1rem;
}

.page10_content-main-desc {
    font-size: 0.9rem;
    line-height: 1.5rem;
    width: 49rem;
    margin: 1.5rem 0;
}

.page10_main-bottom_left-title {
    font-weight: bolder;
    letter-spacing: 0.05rem;
    font-size: 1.3rem;
    color: #d29500;
}

.page10_main-bottom_left-list {
    margin-left: 1rem;
    line-height: 1.6rem;
    margin-top: 0.5rem;
}

.page10_content-main-right_arrow-left {
    width: 0.7rem;
    height: 0.9rem;
    cursor: pointer;
    transition: 1s ease-out;
}

.page10_content-main-right_arrow-right {
    width: 0.7rem;
    height: 0.9rem;
    cursor: pointer;
    transform: rotate(180deg);
}

.page10_content-main-right-slide {
    display: flex;
    flex-wrap: nowrap;
    overflow: hidden;
    width: 29.5rem;
    margin: 0 1.5rem;
    height: 12rem;
    align-items: center;
}

.page10_content-main-right-slide_item {
    margin-right: 1.5rem;
    width: 6rem;
    height: 4rem;
    transition: 1s ease-out;
    cursor: pointer;
}

.page10_content-main-right-slide_item:hover {
    -webkit-transform: translateY(-8px);
    -ms-transform: translateY(-8px);
        transform: translateY(-8px);
    -webkit-transition: 0.3s ease-out;
    -o-transition: 0.3s ease-out;
    transition: 0.3s ease-out;
}

.page10_content-main-right-slide_item4 {
    width: 12rem;
    height: 10rem;
    transition: 1s ease-out;
    margin-bottom: 0;
    position: relative;
    bottom: 1rem;
}

.page10_content-main-right-slide_item4:hover {
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
        transform: translateY(0);
}

.page10_content-main-right-slide_item_last {
    margin-right: 0rem;
    position: relative;
    transition: 1s ease-out;
    bottom: 1rem;
    margin-bottom: 0;
}
.page10_content-main-right-slide_item_last:hover {
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
        transform: translateY(0);
}


/* Page 11 */
.page11 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page11_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
} 

.page11_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.page11_content-scrollBar {
    margin-bottom: 3rem;
}

.page11_content-scrollBar_img {
    width: 2rem;
    margin-top: 6.5rem;
} 

.page11_content-main {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: flex-end;
    height: 25rem;
}

.page11_content-main-top {
    text-align: center;
}

.page11_content-main-list {
    display: flex;
    justify-content: center;
    margin: 1.3rem 0;
    font-size: 0.9rem;
}

.page11_content-main-list_item {
    margin: 0 4rem;
}

.page11_content-main-body {
    display: flex;
    justify-content: space-between;
}

.page11_content-main-body_left-list {
    display: flex;
    align-items: center;
}

.page11_content-main-top-img {
    width: 3rem;
    margin-bottom: 0.7rem;
}

.page11_content-main-top_desc {
    font-size: 0.9rem;
    margin-top: 0.8rem;
    color: #d29500;
    font-weight: bolder;
}

.page11_content-main-top_title {
    font-weight: bolder;
    font-size: 1.9rem;
}

.page11_content-main-body_left-arrow_left {
    width: 0.7rem;
    height: 0.9rem;
    cursor: pointer;
    transform: rotate(180deg);
}

.page11_content-main-body_left-arrow_right {
    width: 0.7rem;
    height: 0.9rem;
    cursor: pointer;
}

.page11_content-main-body_left-list-img {
    display: flex;
    width: 13rem;
    overflow: hidden;
    margin: 0 1.5rem;
}

.page11_content-main-body_left-list-img_item {
    width: 13rem;
    transition: all 1s;
}

.page11_content-main-body_left-list_text {
    text-align: center;
}

.page11_content-main-body_left-list_text-title {
    font-weight: bolder;
    color: #d29500;
    margin-bottom: 0.3rem;
    margin-top: 0.7rem;
    font-size: 1.1rem;
}

.page11_content-main-body_left-list_text-desc {
    font-size: 0.9rem;
}

.page11_content-main-body_right {
    line-height: 1.5rem;
    width: 41.5rem;
    position: relative;
    left: 2rem;
    font-size: 0.9rem;
}

.page11_content-main_in {
    width: 62rem;
}

.page11_content-bottom {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    z-index: 2;
    position: relative;
    top: 5rem;
}

.page11_slide {
    position: relative;
    height: 6rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}

.page11_slide-img {
    width: 30rem;
    -ms-flex-item-align: end;
        align-self: flex-end;
}

.page11_content-bottom_right {
    margin-right: 2.8rem;
}

/* Page 12 */
.page12 {
    min-height: 100vh;
    -webkit-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}

.page12_responsive {
    font-weight: bolder;
    font-size: 2rem;
    text-align: center;
    display: none;
} 

.page12_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    justify-content: center;
}

.page12_content-main {
    display: flex;
    width: 77rem;
}

.page12_content-left {
    align-self: flex-end;
}

.page12_content-left img {
    width: 20rem;
    position: relative;
    top: 1.5rem;
    right: 2.5rem;
}

.page12_content-right {
    margin-left: 18rem;
}

.page12_content-right-list {
    width: 100%;
    display: flex;
    justify-content: center;
}

.page12_content-right-list img {
    width: 35rem;
}

.page12_content-right-title {
    font-family: Old English Text MT;
    text-align: center;
    font-size: 2.7rem;
    margin-bottom: 1rem;
}

.page12_content-right_desc {
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.5rem;
    font-weight: bolder;
    letter-spacing: 0.03rem;
    margin: 1rem 0;
}

.page12_content-right-form {
    text-align: center;
}

.page12_content-right-form_item {
    border: none;
    padding: 0.5rem 1rem;
    color: black;
    width: 100%;
    opacity: 0.7;
    margin: 0.35rem 0;
    outline: none;
    resize: none;
}

.page12_content-right-form_item-submit {
    width: unset;
    background-color: #c89404;
    opacity: unset;
    color: #ffffff;
    cursor: pointer;
    font-weight: bolder;
}