html { width: 100vw; overflow-x: hidden; font-family: sans-serif; line-height: 1.15; -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px }
* { margin: 0; padding: 0; box-sizing: border-box }
body { width: 100%; overflow-x: hidden !important }
ul { list-style: none }
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
a:hover { text-decoration: none }
.full-width { width: 100% }
.full-height { height: 100% }
.align-items-center { align-items: center }
.max-w-50 { max-width: 50% }
.mt--30 { margin-top: -30px }
.border-right-2 { border-right: 2px solid #273c75 }
.font-i { font-style: italic; }
.font-14 { font-size: 14px }
.font-16 { font-size: 16px }
.font-18 { font-size: 18px }
.font-20 { font-size: 20px }
.font-24 { font-size: 24px }
.font-32 { font-size: 32px }
.font-48 { font-size: 48px }
.font-54 { font-size: 54px }
.font-75 { font-size: 75px }
.text-color-273C75 { color: #273C75 }
.z-1 { z-index: 1 }
.z-10 { z-index: 10 }
.z-100 { z-index: 100 }
.z-1000 { z-index: 1000 }
.z-10000 { z-index: 10000 }
.border-radius-4 { border-radius: 4px }
.border-radius-6 { border-radius: 6px }
.flex-item-1 { flex: 1 }
.border-dotted-2 { border: 2px dotted #F1F2F6 }
h4, h5, h6 { line-height: 1.5em }
.text-red { color: #FF0104 }
.shadow-1 { box-shadow: 0px 5px 18px rgba(0, 0, 0, 0.05); transition: .5s ease }
.shadow-1:hover { box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.05); transition: .5s ease }
.img-box-full { width: 100%; height: 100%; position: absolute }
.img-box-6 { position: relative; width: 100%; overflow: hidden; height: 100%; margin: auto; }
.img-box-6 img { position: relative; object-fit: cover;}
.img-90{width: 90%; max-width: 90%;margin-left: 5%; margin-top: 16px; margin-bottom:16px;}
.text-6-row { display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis }
.text-3-row { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis }
.bg-white-tran-90 { border: 1px solid rgba(255, 255, 255, 0.1); transition: .5s ease; backdrop-filter: blur(10px); margin: 0px 30px 0px 3px }
.bg-white-tran-90 .text-center { color: #fff }
.hover-gray { background: rgba(255, 255, 255, 1); transition: .5s ease; height: 100%; width: 100%; border-radius: 4px; box-shadow: 0px 5px 18px rgba(0, 0, 0, 0.03); cursor: pointer }
.hover-gray:hover { background: rgba(255, 255, 255, 0.9); transition: .5s ease; box-shadow: none; box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.05) }
img { transition: .5s ease }
img.img-hover-lag:hover { transform: scale(1.05); transition: .5s ease }
.img-round { border-radius: 100%; position: absolute; min-width: 100%; min-height: 100%; object-fit: cover }
.img-round-box { width: 60%; padding-bottom: 60%; position: relative }
.img-cover { position: absolute; min-width: 100%; min-height: 100%; object-fit: cover }
.box-600 { width: 600px; max-width: 100% }
.hover-full-cover { height: 100% }
.hover-full-cover:hover .mash-block { height: 100%; transition: .5s ease }
.hover-full-cover:hover { color: #fff }
.hover-full-cover .mash-block img { animation: mymove 5s infinite; animation-timing-function: linear }
.bg-blue { background: #2c3e50 }
.bd-top-1 { border-top: 1px dashed rgba(255, 255, 255, 0.2) }
.bd-top-black-1 { border-top: 1px solid rgba(0, 0, 0, 0.05) }
.block-dt { border: 1px dotted #ededed; padding: 30px; }
.header-fix { position: fixed; top: 0px; left: 0px; background: rgba(255, 255, 255, 0.01); backdrop-filter: blur(14px) }
.navbar-light .navbar-nav .nav-link { color: #FFB800; margin: 0px 16px 0px 16px; }
main { min-height: 1200px; background: #fff; }
.navbar-light .navbar-nav .nav-link:hover { opacity: 0.5; color: #FFB800 }
.navbar-nav a.active { color: #FFB800 !important; }
.navbar-nav .active { position: relative }
.navbar-nav .active::after { content: ""; width: 100%; height: 4px; position: absolute; background: #FFB800; bottom: -15px; left: 0px }
.main-slider { width: 100% }
#main-slider .carousel-item { width: 100% }
#main-slider .carousel-item img { position: absolute; min-width: 100%; min-height: 100%; object-fit: cover; animation: mymove2 11s infinite; animation-timing-function: linear }
.banner-text-full { color: #333; position: absolute; width: 100%; height: 100%; display: flex; justify-content: center; max-width: 100%; }
.banner-text-center { width: 1400px; max-width: 100%; padding: 30px; position: relative;margin-top: 200px; }
.banner-text-mash { animation: mymove 5s infinite; animation-timing-function: linear }
.banner-text-center::before { content: ""; width: 100%; height: 100%; background: url("../images/hoavan.png") top right no-repeat; position: absolute; z-index: 1; animation: mymove 5s infinite; animation-timing-function: linear }
.banner-text-center .bn-text-1 {width:100%; padding-right: 16px; color: #FFF; text-align: right; font-family: 'Montserrat', sans-serif; font-size: 24px; font-style: normal; font-weight: 700; line-height: normal; }
.banner-text-center .bn-text-2 {width:100%;padding-right: 16px; color: #FFF; text-align: right; font-family: 'MonteCarlo', cursive; font-size: 210px; font-style: normal; font-weight: 700; line-height: normal; text-transform: normal; line-height: 0.7em;}
.banner-text-center .bn-text-3 {width:100%;padding-right: 16px;  color: #FFF; text-align: right; font-family: 'Montserrat', sans-serif; font-size: 20px; font-style: normal; font-weight: 700; line-height: normal; margin-top: 32px;}
.btn-xemthem { padding: 10px 24px 10px 24px; border: 1px dashed #219653; color: #219653; font-size: 18px; text-transform: uppercase; border-radius: 0px; cursor: pointer; z-index: 100; margin-top: 16px; width: 100%; border-radius: 10px; display: flex; justify-content: center; }
.btn-xemthem:hover { color: #fff; background: #219653; transition: .5s ease }
.banner-action-box { position: relative
font-family:; }
.block-title { position: relative; font-family: 'MonteCarlo', cursive; font-size: 70px; }
.block-title-overlay { position: absolute; opacity: 0.1; font-size: 80px; margin-top: -160px; }
.section-5 .block-title { color: #2E4459; }
.block-short-des { font-family: 'MonteCarlo', cursive; }
.card-h1 { font-family: Times New Roman; font-size: 64px; margin-top: 16px; }
.card-h2 { font-family: Times New Roman; font-size: 20px; margin-top: 16px; }
.contents-box{position:relative; width: 100%; height: auto; padding-bottom:120%; overflow: hidden;}
.contents-box::after{content:""; height: 20px; width: 100%;bottom: -2px; position: absolute; background: linear-gradient(180deg, rgba(255, 255, 255, 0.00) 0%, rgba(255, 255, 255, 0.30) 93.23%, rgba(255, 255, 255, 0.00) 100%);}
.content-box-2{position: absolute; height: 100%; width: 100%;}
#section-2 { position: relative; background: linear-gradient(180deg, rgba(33, 150, 83, 0.00) 0%, #219653 28.96%, #219653 100%); z-index: 1000; margin-top: -550px; clip-path: polygon(0% 0%, 100% 0%, 100% 98%, 73% 100%, 0 98%); }
#section-2 .section-name::before { content: ""; width: 203px; height: 134px; background: url("../images/character.png") top right no-repeat; position: absolute; z-index: 1; }
#section-2 .section-name { color: #FFF; font-family: 'MonteCarlo', cursive; font-size: 100px; font-style: normal; font-weight: 400; line-height: normal; }
#section-2 .section-contents { color: #FFF; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; text-indent: 50px; }
#section-2 .section-author { color: #FFF; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; font-style: italic; border-left: 4px solid #fff; padding-left: 24px; margin-top: 16px; }
#section-3 { min-height: 300px; background: #fff }
#section-3 .section-name::before { content: ""; width: 203px; height: 134px; background: url("../images/gray-character.png") top right no-repeat; position: absolute; z-index: 1; }
#section-3 .section-name { font-family: 'MonteCarlo', cursive; font-size: 70px; font-style: normal; font-weight: 400; line-height: normal; color: #219653; text-align: right; width: 100%; }
#section-3 .section-contents { color: #2E4459; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; text-indent: 50px; }
#section-3 .section-author { color: #2E4459; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; font-style: italic; border-left: 4px solid #219653; padding-left: 24px; margin-top: 16px; }

#section-5 { min-height: 300px; background: #fff }
#section-5 .section-name::before { content: ""; width: 203px; height: 134px; background: url("../images/gray-character.png") top right no-repeat; position: absolute; z-index: 1; }
#section-5 .section-name { font-family: 'MonteCarlo', cursive; font-size: 70px; font-style: normal; font-weight: 400; line-height: normal; color: #219653; text-align: right; width: 100%; }
#section-5 .section-contents { color: #2E4459; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; text-indent: 50px; }
#section-5 .section-author { color: #2E4459; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; font-style: italic; border-left: 4px solid #219653; padding-left: 24px; margin-top: 16px; }

#section-6 { min-height: 300px; background: #EDEDED; }

.mash-block-content { width: 100%; height: 300px; background: #fff; position: relative; overflow: hidden; position: absolute }
.mash-block-content img { object-fit: cover; animation: mymove 5s infinite; animation-timing-function: linear }
.btn-xemthem-sm { width: 100%; margin: auto; padding: 8px 24px 8px 24px; border: 1px solid #ededed; color: #333; font-size: 14px; text-transform: uppercase; border-radius: 0px; cursor: pointer; z-index: 100; transition: .5s ease }
.btn-xemthem-sm:hover { background: #FF0104; color: #fff; border: 1px solid #FF0104; transition: .5s ease }
.mb--60 { bottom: -30px }
#section-4 { min-height: 300px; background: url("../images/bg-green2.jpg") center; background-size: cover; width: 100%; padding: 100px 0px 100px 0px; clip-path: polygon(15% 0, 100% 2%, 100% 98%, 79% 100%, 0 98%, 0 2%); }
#section-4 .section-name::before { content: ""; width: 203px; height: 134px; background: url("../images/character.png") top right no-repeat; position: absolute; z-index: 1; }
#section-4 .section-name { font-family: 'MonteCarlo', cursive; font-size: 70px; font-style: normal; font-weight: 400; line-height: normal; color: #fff; text-align: left; width: 100%; }
#section-4 .section-contents { color: #fff; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; text-indent: 50px; }
#section-4 .section-author { color: #fff; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; font-style: italic; border-left: 4px solid #fff; padding-left: 24px; margin-top: 16px; }
#section-4 .btn-xemthem, #section-2 .btn-xemthem { padding: 10px 24px 10px 24px; border: 1px dashed #fff; color: #fff; font-size: 18px; text-transform: uppercase; border-radius: 0px; cursor: pointer; z-index: 100; margin-top: 16px; width: 100%; border-radius: 10px; display: flex; justify-content: center; }
#section-4 .btn-xemthem:hover { color: #219653; background: #fff; transition: .5s ease }
#section-2 .btn-xemthem:hover { color: #219653; background: #fff; transition: .5s ease }
.bg-gray { background: #fcfcfc }
.mash-block { width: 100%; height: 4px; background-image: linear-gradient(to top, #f77062 0%, #fe5196 100%); position: absolute; transition: all 0.5s ease }
#section-2 .img-box-full { animation: mymove2 11s infinite; animation-timing-function: linear }
.btn-send-mail { margin: auto; padding: 10px 24px 10px 24px; font-size: 18px; text-transform: uppercase; border-radius: 0px; cursor: pointer; z-index: 100; color: red; background: none; transition: .5s ease; border: 1px solid red; transition: .5s ease; font-weight: bold }
.btn-send-mail:hover { box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2); color: #fff; background: red }
.hover-bg-white { color: #fff; transition: .5 ease; background-image: linear-gradient(to top, #f77062 0%, #fe5196 100%) }
.hover-bg-white:hover { background-image: linear-gradient(to bottom, #f77062 0%, #fe5196 100%); color: #fff; transition: .5 ease }
.btn-chitiet { display: block; border: 1px solid #999; color: #333; font-size: 20px; text-transform: uppercase; height: 40px; width: 120px; display: flex; justify-content: center; align-items: center; transition: 0.5s ease }
.btn-chitiet:hover { background: #FF0104; color: #fff; border: 1px solid #FF0104; transition: 0.5s ease }
.svg-an1 { position: absolute; opacity: 0.3; position: absolute; color: #fff; stroke: #fff }
.img-svg:hover { color: #fff; fill: #333 }
.col-xs-6 { max-width: 50% }
.bg-footer { background: url("../images/bg-footer.jpg") top center no-repeat; background-size: cover; }
.video-box { width: 100%; padding-bottom: 45%; position: relative; }
.yt-player { width: 95%; height: 95%; margin: auto; position: absolute; }
.gg-map { width: 90%; border-radius: 10px; }
.modal{z-index:100000;width:100vw; height: 100vh; padding: 0px !important; position: fixed;}
.modal-dialog{width:100vw; height: 100vh;max-width: 90% !important; margin: auto!important;}
.modal-content{background: url("../images/bg-dialog.jpg") top center no-repeat; background-size: cover; height:90vh;width: 1400px; max-width: 90vw !important;  margin: 5vh auto auto auto !important; border-radius: 20px; border: none; display: flex; flex-direction: column;}
.modal-header{border-bottom:none;}
.modal-footer{border-top:none; min-height: 60px;}
.modal-body{width: 100%; flex-grow: 1; overflow: hidden;}
.detail-content-box{ display: flex; align-content:stretch; flex-direction:row-reverse; }
.col-left{overflow-y:scroll; }
.col-right .img-box-6{height: 100%;}
.col-left::-webkit-scrollbar {
    display: none;
}
.modal-body.section-name::before { content: ""; width: 203px; height: 134px; background: url("../images/character.png") top right no-repeat; position: absolute; z-index: 1; }
.modal-body .section-name { font-family: 'MonteCarlo', cursive; font-size: 70px; font-style: normal; font-weight: 400; line-height: 1em; color: #fff; text-align: left; width: 100%; }
.modal-body .section-contents { color: #fff; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; text-indent: 50px; }
.modal-body .section-author { color: #fff; text-align: justify; leading-trim: both; text-edge: cap; font-family: Times New Roman; font-size: 18px; font-style: normal; font-weight: 400; line-height: 27px; font-style: italic; border-left: 4px solid #fff; padding-left: 24px; margin-top: 16px; }
.thanhtuu .section-contents{font-family: Times New Roman; font-size: 20px;}
.contact-info h4, .contact-info h5,.contact-info h6{font-family: Times New Roman; font-size: 20px; }
.cpr-txt{font-family: Times New Roman; font-size: 18px; opacity: 0.5;}
@keyframes mymove {
	0% { opacity: 0.2 }
	50% { opacity: 1; transform: scale(1.02) }
	100% { opacity: 0.2 }
}
@keyframes mymove3 {
	0% { opacity: 0.5 }
	50% { opacity: 1; transform: scale(1.02) }
	100% { opacity: 0.5 }
}
@keyframes mymove2 {
	0% { opacity: 1 }
	50% { opacity: 1; transform: scale(1.05) }
	100% { opacity: 1 }
}
.hero { position: absolute; overflow: hidden; display: flex; justify-content: center; align-content: center; position: absolute; width: 100%; height: 100%; z-index: 100 }
.snow { height: 100%; width: 100%; top: 0; left: 0 }
.snow .svg { position: absolute; width: 100%; height: 100% }
#snow-top-layer { will-change: transform; transform: translateY(-768px); animation: fall 22.5s infinite linear }
#snow-bottom-layer { will-change: transform; transform: translateY(-768px); animation: fall 45s infinite linear }
.demo { position: absolute; width: 100vw; height: 100vh; z-index: 100; overflow: hidden }
.large-header { height: 100%; width: 100%; overflow: hidden }
.demo .large-header { }
@media only screen and (max-width:768px) {
	.demo .main-title { font-size: 3em }
}
.subbox-content p { font-size: 16px; line-height: 2em }

/*Hiệu ứng ánh sáng mặt trời*/
.lens-center { position: relative; width: 40vmin; height: 40vmin; border-radius: 100%; float: right; right: -100px; top: -100px; background: radial-gradient(closest-side circle at center, hsl(0 0% 100% / 100%) 0%, hsl(0 0% 100% / 100%) 10%, hsl(0 0% 100% / 70%) 20%, hsl(0 0% 100% / 30%) 35%, hsl(0 0% 100% / 5%) 55%, transparent 50%); filter: blur(14px); animation: fall2 10s infinite linear; }
.lens-center::before { content: ''; display: block; width: 80vmin; height: 80vmin; right: calc((80vmin - 40vmin) / 2 * -1); top: calc((80vmin - 40vmin) /2 * -1); position: absolute; border-radius: 100%; background: radial-gradient(closest-side circle at center, hsl(0 0% 100% / 100%) 0%, transparent 100%); animation: fall2 10s infinite linear; }
.lens-center::after { content: ''; display: block; width: 4vmin; height: 4vmin; right: 65%; bottom: 25%; position: absolute; border-radius: 100%; background: radial-gradient(closest-side circle at center, hsl(0 0% 100% / 100%) 0%, transparent 75%); animation: fall2 10s infinite linear; }
.circle-1 { width: calc(50vmin * 0.7); height: calc(50vmin * 0.7); right: 65%; top: 65%; border-radius: 100%; position: absolute; background: radial-gradient(closest-side circle at center, transparent 50%, hsl(0 0% 100% / 40%) 100%, transparent 30%); filter: blur(15px); animation: fall2 5s infinite linear; }
.circle-2 { width: calc(40vmin * 0.4); height: calc(40vmin * 0.4); right: 62%; top: 62%; border-radius: 100%; position: absolute; background: hsl(0 0% 100% / 10%); filter: blur(2px); animation: fall2 5s infinite linear; }
.circle-3 { width: calc(30vmin * 0.4); height: calc(30vmin * 0.4); right: 60%; top: 60%; border-radius: 100%; position: absolute; background: hsl(0 0% 100% / 10%); filter: blur(4px); animation: fall2 5s infinite linear; }
.sun-light { width: 100vw; height: 100vh; position: absolute; z-index: 10000000 }
@keyframes fall {
	0% { opacity: 0.6 }
	100% { transform: translateY(0); opacity: 0.1 }
}
@keyframes fall2 {
	0% { opacity: 0.2 }
	50% { opacity: 1 }
	100% { opacity: 0.2 }
}

.logo{
    display: flex;
    gap: 15px;
}

/*Kỷ yếu*/
.video-full {
	position: relative;
	padding-bottom: 56.25%; /* Tỷ lệ 16:9 */
	height: 0;
	overflow: hidden;
	border-radius: 10px;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	margin-bottom: 50px;
}
.video-full:hover {
	transform: scale(1.02);
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.video-full iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: none;
	object-fit: contain; /* Ensures the content (image/video) scales to fit while preserving aspect ratio */
	display: block;
}
iframe img {
	object-fit: contain !important;
}