* {
	padding: 0;
	margin: 0;
	  -webkit-user-drag: none;   /* Safari/Chrome */
  -khtml-user-drag: none;    /* Konqueror */
  -moz-user-drag: none;      /* Firefox (partial support) */
  -o-user-drag: none;        /* Opera */
  user-drag: none;

  -webkit-user-select: none; /* iOS Safari */
  -moz-user-select: none;    
  -ms-user-select: none;
  user-select: none;

}


img, a, div {
  -webkit-user-drag: none;
  user-drag: none;
}

body {
	font-family: Arial, "serif";
	background: url("../img/bg.png") no-repeat center;
	background-size: cover;
}

.wrapper {
	height: 100%;
	width: 100%;
	display: flex;
	justify-content: center;
	overflow: hidden;
}


.bg_site {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* mặc định hide */
.bg_mb {
    display: none;
}

/* Mặc định: ẩn (opacity 0) */
.background-image {
    position: absolute;
    
    width: 100%;
    height: 100vh;
     background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
	background-attachment: fixed;

    opacity: 0;
    transition: opacity 1s ease; /* hiệu ứng fade mượt */
}

/* Khi active thì hiện */
.background-image.active {
    opacity: 1;
}


.container {
	width: 800px;
	max-width: 80%;
	height: 100vh;
	position: relative;

}

.list {
	width: 100%;
	display: flex;
	flex-wrap: wrap;
	row-gap: 10px;
	position: absolute;
	top:50%;
	left: 50%;
	transform: translate(-50%,-50%);


}

.item {
	align-content: center;
	text-align: center;
	display: flex;
	flex-direction: column;
	width: 33.33%;
}


.item a {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.logo {
	height: 70px;
	width: auto;
	max-width: 70%;
	object-fit: contain;
}

.flag {
	width: 90%;
	margin: 5%;
	max-width: 120px;
}

a {
	text-decoration: none;
	color: #fff;
	font-weight: bold;
}

.item span {
	font-size: 18px;
}

.bg {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: -1;
	height: 810px;
	
}

.bg1 {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.8);
	opacity: 0.5;
	z-index: 1;
	height: 100%;
	width: 100%;
}

.video {
	position: fixed;
	right: 0px;
	top: -9%;
	min-width: 103%;
	min-height: 100%;
	width: 100%;
	height: auto;
	z-index: 0;
}


.sourcemb {
	display: none;
}




.abcvip{
	width: 300px;
	display: block;
text-align: right;
		position: fixed;	
		top: 30px;
	left: 50%;
	transform: translate(-50%,0);
}
.abcviplogo{
	width: 100%;
	margin: auto;
}


.logotop{
	width: 800px;
	max-width: 100%;
	margin: auto;
	text-align: center;
	margin-top: 30px;
}
.logotopz{
	width: 100%;
}

.copyright h4{
	color: #fff;
	line-height: 25px;
	text-align: center;
	font-weight: bold;
	
}
.chuky {
	display: flex;
	justify-content: center;
	align-items: center; 
	column-gap: 30px;
	width: 100%;
	height: 120px;
	margin: 30px auto;
	position: absolute;
	bottom: 5%;
	flex-direction: column;
	gap: 30px;
	z-index: 2;
	
}


img.ck{
	width: 90%;
}

.gradient{
	


position: absolute;
width: 100%;
height: 227px;
left: 0;
bottom: 0px;

background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, #000000 100%);

}

@media screen and (max-width: 1024px) {
	.video {
		width: 120%;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);

	}

	.sourcemb {
		display: block;
	}

	.item span {
		font-size: 14px;
	}


}


@media (min-width: 769px) {
    .bg_pc { display: block; }
    .bg_mb { display: none; }
}


@media screen and (max-width: 768px) {
	
	body{
		background: url("../img/bg-mb.png");
	}
	.wrapper{
		height: 100%;
	}

	
.container {

	height: 100%;
	

}

	 .bg_pc { display: none; }
    .bg_mb { display: block; }
	
	.abcvip{
		width: 100%;
		top: 5%;
		right: auto;
			text-align: center;
	}
	.abcviplogo{
	width: 40%;
	margin: auto;
}
	
	.list {

		bottom: 20%;
		position: fixed;

	}

.bg_mb .background-image {
    background-size: 100% ;
	}
	.flag {
		width: 60%;
		margin: 5%;
		max-width: 100px;
	}
	
	
	.chuky {

	position: fixed;
	
	margin: 0px auto;

	bottom: 10%;
	
	gap: 20px;
	left: 50%;
    transform: translate(-50%, 0);
	
}


}