html { box-sizing: border-box; }
.no-copy {
    user-select: none; /* Ngăn không cho người dùng chọn văn bản */
}
*, *::after, *::before { box-sizing: border-box; }

* { padding: 0; margin: 0; -webkit-box-sizing: border-box; box-sizing: border-box; }

body { margin: 0; font-family: "Montserrat", sans-serif; background: #000; color: #fff; font-size: 14px; 
	/* -webkit-touch-callout: none; */
	/* -webkit-user-select: none; */
	/* -khtml-user-select: none; */
	/* -moz-user-select: none; */
	/* -ms-user-select: none; */
	/* -o-user-select: none; */
	/* user-select: none; */
}

ul, li, ol { list-style: none; padding: 0; margin: 0; }

a { color: #ff9c00; text-decoration: none; }

.container {
  max-width: 1200px;
  width: 100%;
  padding: 0 15px;
  margin: 0 auto;
}

.page-1 { min-height: 1020px; background: url(../bg-page-1.html) no-repeat center top; }
.page-1 .video {width: 100%; height: 1080px; overflow: hidden; position: absolute; margin: auto; z-index: -1;}
.page-1 .nav { position: absolute; top: 0; right: 85px; padding-top: 15px; }
.page-1 .nav a { margin: 0 10px; color: #fff; font-size: 15px; }
.page-1 .nav a:hover { text-decoration: underline; }
.page-1 .nav a .icon-home { display: inline-block; width: 16px; height: 13px; background: url(../images/icon-home.png) no-repeat; }
.page-1 .nav a .icon-download { display: inline-block; width: 16px; height: 15px; background: url(../images/icon-download.png) no-repeat; }
.page-1 .nav a .icon-download + span { color: #ffea00; }
.page-1 .logo-18plus { width: 55px; height: 68px; background: url(../images/logo-18plus.png) no-repeat; position: absolute; top: 20px; left: 0; }
.page-1 .icon-sound { width: 61px; height: 57px; background: url(../images/icon-sound-on.png) no-repeat; position: absolute; top: 100px; left: 0; cursor: pointer; }
.page-1 .icon-sound.off { background-image: url(../images/icon-sound-off.png); }
.page-1 .btn-youtube { width: 94px; height: 94px; background: url(../images/button-play.png) no-repeat; position: absolute; top: 300px; left: 650px; }
.page-1 .btn-youtube:hover { background-image: url(../images/button-play-hover.png) }
.page-1 .btn-facebook { width: 54px; height: 33px; background: url(../button-facebook.html) no-repeat; position: absolute; top: 323px; left: 760px; }
.page-1 .btn-facebook:hover { background-image: url(../button-facebook-hover.html); }
.page-1 .btn-group { width: 54px; height: 33px; background: url(../button-group.html) no-repeat; position: absolute; top: 365px; left: 760px; }
.page-1 .btn-group:hover { background-image: url(../button-group-hover.html) }
.page-1 .icon-mouse { width: 44px; height: 65px; background: url(../images/icon-mouse.png) no-repeat; position: absolute; top: 868px; left: 50%; margin-left: -22px;}
.page-1 .icon-mouse i { position: absolute; left: 15px; width: 15px; height: 8px; background: url(../images/icon-down.png) no-repeat; opacity: 0; -webkit-animation: down 0.9s 0s infinite ease-in-out; -moz-animation: down 0.9s 0s infinite ease-in-out; animation: down 0.9s 0s infinite ease-in-out; }
.page-1 .icon-mouse i:nth-child(1) { top: 70px; -webkit-animation-delay: 0s; -moz-animation-delay: 0s; animation-delay: 0s; }
.page-1 .icon-mouse i:nth-child(2) { top: 80px; -webkit-animation-delay: 0.3s; -moz-animation-delay: 0.3s; animation-delay: 0.3s; }
.page-1 .icon-mouse i:nth-child(3) { top: 90px; -webkit-animation-delay: 0.6s; -moz-animation-delay: 0.6s; animation-delay: 0.6s; }

.page { background-position: center top; background-repeat: no-repeat; border-top: 1px solid #ca5d00; width: 100%; max-width: 1920px; margin: 0 auto;}

.page.bg-page-2-tab-1,
.page.bg-page-2-tab-3,
.page.bg-page-2-tab-2,
.page.bg-page-2-tab-4,
.page.bg-page-2-tab-5,
.page.bg-page-2-tab-6
{ background-image: url(../images/bg-page-tab-1.jpg) }
.page.bg-page-3-tab-1,
.page.bg-page-3-tab-2,
.page.bg-page-3-tab-3,
.page.bg-page-3-tab-4,
.page.bg-page-3-tab-5
{ background-image: url(../images/bg-page-tab-2.jpg) }
.page.bg-page-4-tab-1,
.page.bg-page-4-tab-2,
.page.bg-page-4-tab-3,
.page.bg-page-4-tab-4,
.page.bg-page-4-tab-5,
.page.bg-page-4-tab-6,
.page.bg-page-4-tab-7,
.page.bg-page-4-tab-8,
.page.bg-page-4-tab-9
{ background-image: url(../images/bg-page-tab-3.jpg) }




.page .event-text-1 { font-size: 56px; color: #ffba00; padding-left: 160px; padding-top: 20px; font-style: Arial; font-weight: 700; letter-spacing: -2px; line-height: 80px; }
.page .event-text-2 { font-size: 72px; color: #fff; text-align: center; font-style: italic; font-weight: 700; letter-spacing: -2px; line-height: 70px; }
.page .buttons { display: flex; flex-wrap: wrap; justify-content: space-evenly; margin-top: 60px; margin-bottom: 40px; }
.page .buttons .btn-tab {width: 220px;height: 55px;/* background: url(../images/button-tab-2.png) no-repeat; */text-align: center; align-self: center; font-size: 18px; font-weight: 500; color: #fff; padding-top: 15px; margin-bottom: 20px; border-radius: 50px;border: 1px solid #4e4e4e; background: #11111178;}
.page .buttons .btn-tab:hover, .page .buttons .btn-tab.active {/* background-image: url(../images/button-tab-1.png); */color: #d8ac00; border: 1px solid #b18e00;}
.page .event-tab { display: none; }
.page .event-tab.active { display: block; }
.page .event-tab > .time { width: 871px; height: 55px; background: url(../images/bg-time.png) no-repeat center; margin: 0 auto; text-align: center; margin-bottom: 40px; font-size: 22px; padding-top: 15px; font-weight: 500; }
.page .event-tab > .time strong { color: #caf6ad; font-weight: 500; }
.page .event-tab > .notice { font-size: 22px; font-weight: 700; font-style: italic; color: #f7d6d4; padding-left: 40px; margin-bottom: 30px; background: url(../images/button-notice.png) no-repeat 3px 5px; }

.page .notice { font-size: 22px; font-weight: 700; font-style: italic; color: #f7d6d4; padding-left: 40px; margin-bottom: 20px; background: url(../images/button-notice.png) no-repeat 3px 5px; }

.page .event-tab .list-notice { padding-left: 20px; margin-bottom: 70px; }
.page .event-tab .list-notice li { font-weight: 500; color: #fff; position: relative; padding-left: 15px; margin-bottom: 5px; }
.page .event-tab .list-notice li:before { content: ' '; width: 5px; height: 5px; background: #776c5f; border-radius: 100%; position: absolute; top: 10px; left: 0; }

.page .event-tab .list-info-2 { padding-left: 50px; margin-bottom: 50px; }
.page .event-tab .list-info-2 li { font-size: 18px; font-weight: 500; color: #fff; position: relative; padding-left: 15px; margin-bottom: 5px; }
.page .event-tab .list-info-2 li:before { content: ' '; width: 5px; height: 5px; background: #776c5f; border-radius: 100%; position: absolute; top: 10px; left: 0; }
.page .event-tab .set-items { display: flex; flex-wrap: wrap; justify-content: center; padding-bottom: 60px;}
.page .event-tab .set-items .set-item { width: 290px; height: 345px; background: url(../images/dock-1.png) no-repeat center bottom; position: relative; cursor: pointer; }
.page .event-tab .set-items .set-item:hover { background-image: url(../images/dock-2.png); }
.page .event-tab .set-items .set-item:hover img { bottom: 80px; }
.page .event-tab .set-items .set-item:hover .tooltip { opacity: 1; top: 220px; }
.page .event-tab .set-items .set-item img { position: absolute; left: 50%; -webkit-transform: translateX(-50%); -moz-transform: translateX(-50%); -ms-transform: translateX(-50%); -o-transform: translateX(-50%); transform: translateX(-50%); bottom: 60px; -webkit-transition: all 0.5s ease; -moz-transition: all 0.5s ease; transition: all 0.5s ease; }
.page .event-tab .set-items .set-item .tooltip { width: 250px; border: 1px solid #3f3f3f; background: rgb(23 23 23 / 90%); border-radius: 3px; position: absolute; top: 160px; left: 30px; padding: 15px 30px; opacity: 0; -webkit-transition: all 0.5s ease; -moz-transition: all 0.5s ease; transition: all 0.5s ease; }
.page .event-tab .set-items .set-item .tooltip:before { content: ' '; height: 0; width: 0; border-bottom: 8px solid #b55900; border-left: 8px solid transparent; border-right: 8px solid transparent; position: absolute; top: -8px; left: calc(50% - 4px); }
.page .event-tab .set-items .set-item .tooltip .char { text-align: center; font-weight: 500; font-style: italic; margin-bottom: 10px; font-size: 20px; }
.page .event-tab .set-items .set-item .tooltip .info { color: #ef00ff; font-size: 15px; margin-bottom: 10px; }
.page .event-tab .set-items .set-item .tooltip .foot { font-size: 14px; color: #ffc000; font-style: italic; }
.page .top { display: flex; flex-wrap: wrap; justify-content: center; padding: 40px 0}
.page .top .top-1 { width: 358px; height: 420px; background: url(../images/bg-top-1.png) no-repeat; cursor: pointer; margin-bottom: 20px;}
.page .top .top-1:hover { background-image: url(../images/bg-top-1-hover.png); }
.page .top .top-1 .icon-wing { background-image: url(../images/wing-top-1.png); }
.page .top .top-1 .reward { background-image: url(../images/ribbon-top-1.png); color: #ff9600; }
.page .top .top-1 .foot { background-image: url(../images/notice-top-1.png); color: #ffeacb; }
.page .top .top-2 { width: 358px; height: 420px; background: url(../images/bg-top-2.png) no-repeat; cursor: pointer; margin-bottom: 20px;}
.page .top .top-2:hover { background-image: url(../images/bg-top-2-hover.png); }
.page .top .top-2 .icon-wing { background-image: url(../images/wing-top-2.png); }
.page .top .top-2 .reward { background-image: url(../images/ribbon-top-2.png); color: #8aa1ac; }
.page .top .top-2 .foot { background-image: url(../images/notice-top-2.png); color: #ecf8fc; }
.page .top .top-3 { width: 358px; height: 420px; background: url(../images/bg-top-3.png) no-repeat; cursor: pointer; margin-bottom: 20px;}
.page .top .top-3:hover { background-image: url(../images/bg-top-3-hover.png); }
.page .top .top-3 .icon-wing { background-image: url(../images/wing-top-3.png); }
.page .top .top-3 .reward { background-image: url(../images/ribbon-top-3.png); color: #856d5a; }
.page .top .top-3 .foot { background-image: url(../images/notice-top-3.png); color: #ad9f93; }
.page .top .head { font-size: 30px; font-weight: 800; font-style: italic; padding-left: 160px; padding-top: 25px; margin-bottom: 10px; }
.page .top .icon-wing { background-repeat: no-repeat; width: 170px; height: 136px; margin-left: 110px; display: block; }
.page .top .reward { font-size: 23px; font-weight: 500; font-style: italic; text-align: center; width: 240px; height: 54px; background-repeat: no-repeat; margin-left: 52px; padding-top: 4px; }
.page .top .info { font-size: 16px; color: #fff; margin-left: 75px; margin-top: 14px; height: 70px; }
.page .top .foot { font-weight: 500; font-style: italic; padding-left: 30px; margin-left: 45px; background-repeat: no-repeat; background-position: 0 0; }
.page .top .icon-kundun-5 { width: 236px; height: 151px; background-image: url(../images/kundun-5.png); background-repeat: no-repeat; background-size: 85%; margin-left: 100px; display: block; }
.page .top .icon-kundun-5 ~ .info { margin-top: 30px; margin-bottom: 10px; }
.page .top .icon-kundun-5 ~ .foot { padding-right: 50px; margin-left: 30px; }
.page .top .icon-kundun-4 { width: 236px; height: 151px; background-image: url(../images/kundun-4.png); background-repeat: no-repeat; background-size: 85%; margin-left: 100px; display: block; }
.page .top .icon-kundun-4 ~ .info { margin-top: 30px; margin-bottom: 10px; }
.page .top .icon-kundun-4 ~ .foot { padding-right: 50px; margin-left: 30px; }
.page .top .icon-kundun-3 { width: 236px; height: 151px; background-image: url(../images/kundun-3.png); background-repeat: no-repeat; background-size: 85%; margin-left: 100px; display: block; }
.page .top .icon-kundun-3 ~ .info { margin-top: 30px; margin-bottom: 10px; }
.page .top .icon-kundun-3 ~ .foot { padding-right: 50px; margin-left: 30px; }
.page .table { padding-bottom: 60px; }
.page .table table { border-collapse: collapse; border: 1px solid #313131; width: 100%; }
.page .table table th, .page .table table td { border-collapse: collapse; border: 1px solid #313131; padding: 10px 30px; text-align: center; font-size: 16px; line-height: 2; }
.page .table table thead tr { background: #000000; }
.page .table table thead tr th { color: #ffcc00; font-style: italic; }
.page .table table tbody tr { background: #252525; }
.page .table table tbody tr:nth-child(2n+1) { background: #1f1f1f; }
.page .table table tbody tr td { font-size: 16px; }
.page .head-table { margin-bottom: 20px; margin-top: 50px; }

.footer {padding: 30px 0; border-top: 1px solid #0c0c0c; display: flex; justify-content: center;}
.footer a { margin: 0 20px; }
.footer .copyright {margin: 10px 0;  color: #5a5a5a; }

@-webkit-keyframes down { 50% { opacity: 1; } }
@-moz-keyframes down { 50% { opacity: 1; } }
@keyframes down { 50% { opacity: 1; } }

.open-time {
    position: absolute;
    top: 750px;
    left: 50%;
    font-size: 28px;
    font-family: auto;
    font-weight: 600;
    background: linear-gradient(269deg,rgb(0 0 0 / 0%) 0%,rgb(0 0 0 / 60%) 25%, rgb(11 10 13 / 60%) 50%, rgb(11 10 13 / 60%) 75%, rgb(0 0 0 / 0%) 100%);
    padding: 5px 30px;
	margin-left: -200px;
}

.open-time p {
    background-image: linear-gradient(0deg, #ff0000 0%, #fbff00 70%);
    -webkit-background-clip: text;
    color: transparent;
}

table.sub-sv-info1 {
    border-collapse: collapse;
    border-spacing: 0;
	background: rgb(0 0 0 / 45%);
}

table.sub-sv-info {
    border-collapse: collapse;
    border-spacing: 0;
	background: rgb(0 0 0 / 45%);
}

.sv-info-3 table.sub-sv-info {
	border-collapse: collapse;
	border-spacing: 0;
    width: 70%;
}
  /*màu chữ; */
table.sub-sv-info thead tr td{
    background: linear-gradient(0deg, #a3a2a2 0%, #a3a2a2 100%);
	font-size: 18px;
	color: #fff;
}

table.sub-sv-info1 thead tr td{
    background: linear-gradient(0deg, #a3a2a2 0%, #a3a2a2 100%);
	font-size: 28px;
	color: #fff;
}
table.sub-sv-info1 tr td {
    border: 1px solid rgb(29 29 29 / 50%);
    padding: 7px 10px;
    text-align: center;
	color: #fff;
}

table.sub-sv-info tr td {
    border: 1px solid rgb(1 49 49 / 1000%);
    padding: 7px 10px;
    text-align: center;
	color: #fff;
}


.info-tab-2 {
    display: flex;
    justify-content: space-between;
}

.info-tab-1 {
    display: flex;
    justify-content: space-between;
	padding-bottom: 60px;
}

.sv-info-left {
    width: 50%;
}

.sv-info-right {
   width: 50%;
}

.table-1 {
    width: 100%;
    display: grid;
   padding-bottom: 20px;
}

.table-2 {
    display: grid;
    width: 100%;
    margin-top: 20px;
}

ul.list-notice {
    background: rgb(0 0 0 / 35%);
    padding: 15px 0;
    width: 100%;
	font-size: 14px;
}

.info span {color: #78ff00;}

.link-nav {
    height: 42px;
    position: absolute;
    top: 2px;
    left: 260px;
	padding: 0 20px;
}

.link-nav .l {
    font-size: 14px;
    font-weight: 600;
    color: #433640;
    display: inline-block;
    text-shadow: 0 0 20px rgba(0, 0, 0, .6);
    text-decoration: none;
    margin: 3px 10px;
    margin-top: 0px;
}

.link-nav .fb {
    width: 24px;
    height: 24px;
    background: url(../images/fb.png);
    position: relative;
    top: 8px;
    margin-left: 26px
}

.link-nav .gr {
    width: 24px;
    height: 24px;
    background: url(../gr.html);
    position: relative;
    top: 8px;
    margin-left: 7px
}

.link-nav .reg {
    width: 173px;
    height: 40px;
    background: url(../btn-register.html);
    position: absolute;
    top: 44px;
    left: 90px;
    transition: all .3s ease
}

.link-nav .reg:hover {
    filter: brightness(150%)
}

.coutdown-time {
    position: absolute;
    top: 800px;
    left: 150px;
}

.coutdown-time .kkcountdown-box .kkc-days,
.coutdown-time .kkcountdown-box .kkc-hours,
.coutdown-time .kkcountdown-box .kkc-min,
.coutdown-time .kkcountdown-box .kkc-sec {
    font-family: "UTM Facebook";
    font-size: 40px;
    color: #fff;
    position: absolute;
    top: 0;
}

.coutdown-time .kkcountdown-box .kkc-sec {
    left: 530px;
}

.coutdown-time .kkcountdown-box .kkc-min {
    left: 432px;
}

.coutdown-time .kkcountdown-box .kkc-hours {
    left: 332px;
}
.coutdown-time .kkcountdown-box .kkc-days {
    left: 267px;
}

.coutdown-time .kkcountdown-box .kkc-days-text,
.coutdown-time .kkcountdown-box .kkc-hours-text,
.coutdown-time .kkcountdown-box .kkc-min-text,
.coutdown-time .kkcountdown-box .kkc-sec-text {
    position: absolute;
    top: 56px;
    color: #fff;
    font-size: 12px;
    font-size: 12px;
    letter-spacing: -0.6px;
    text-transform: uppercase;
    text-shadow: 0 0 3px rgba(0, 0, 0, .7)
}

.coutdown-time .kkcountdown-box .kkc-sec-text {
    left: 540px;
}

.coutdown-time .kkcountdown-box .kkc-min-text {
    left: 439px;
}

.coutdown-time .kkcountdown-box .kkc-hours-text {
    left: 345px;
}

.coutdown-time .kkcountdown-box .kkc-days-text {
    left: 260px;
}


.nav-l {
	position: fixed;
	top: 0;
	left: 0;
	width: 400px;
	height: 70px;
	background: rgba(11,10,13,1);
	background: -moz-linear-gradient(left, rgba(11,10,13,1) 0%, rgba(11,10,13,0.51) 83%, rgba(11,10,13,0.5) 84%, rgba(11,10,13,0) 100%);
	background: -webkit-gradient(left top, right top, color-stop(0%, rgba(11,10,13,1)), color-stop(83%, rgba(11,10,13,0.51)), color-stop(84%, rgba(11,10,13,0.5)), color-stop(100%, rgba(11,10,13,0)));
	background: -webkit-linear-gradient(left, rgba(11,10,13,1) 0%, rgba(11,10,13,0.51) 83%, rgba(11,10,13,0.5) 84%, rgba(11,10,13,0) 100%);
	background: -o-linear-gradient(left, rgba(11,10,13,1) 0%, rgba(11,10,13,0.51) 83%, rgba(11,10,13,0.5) 84%, rgba(11,10,13,0) 100%);
	background: -ms-linear-gradient(left, rgba(11,10,13,1) 0%, rgba(11,10,13,0.51) 83%, rgba(11,10,13,0.5) 84%, rgba(11,10,13,0) 100%);
	background: linear-gradient(to right, rgba(11,10,13,1) 0%, rgba(11,10,13,0.51) 83%, rgba(11,10,13,0.5) 84%, rgba(11,10,13,0) 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0b0a0d', endColorstr='#0b0a0d', GradientType=1 );
	z-index: 20;
	padding-top: 5px;
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-start;
	padding-left: 30px;
}
.nav-l .logo {
	width: 80px;
	height: 58px;
	background: url(../images/logo.png) no-repeat;
	display: flex;
	flex-wrap: wrap;
	}
.nav-l .info{
	flex: 1;
	padding-left: 10px;
	position: relative;
}
.nav-l .info .t1 {
	color: #fff;
	font-size: 16px;
	padding-bottom: 3px;
	padding-top: 13px;
}
.nav-l .info .t2 {
	color: #fff;
	font-size: 11px;
}
.nav-l .info .btn {
	position: absolute;
	top: 5px;
	left: 140px;
}
.nav-l .info .btn a {
	width: 24px;
	height: 24px;
	border-radius: 2px;
	background: #322626;
	display: inline-block; 
	margin-right: 5px;
	position: relative;
}

.nav-l .info .btn a:before {
	content: ' ';
	position: absolute;
}
.nav-l .info .btn .sound {
	background: none;
	border: 1px solid #322626;
}
.nav-l .info .btn a.fb:before {
	width: 6px;
	height: 14px;
	background: url(../images/ic-f.png) no-repeat;
	top: 5px;
	left: 10px;
}			
.nav-l .info .btn a.gr:before {
	width: 16px;
	height: 13px;
	background: url(../images/ic-gr.png) no-repeat;
	top: 5px;
	left: 4px;
}


.nav-r {
	position: fixed;
	top: 0;
	right: 0;
	width: 400px;
	height: 70px;
	background: rgba(11,10,13,0);
	background: -moz-linear-gradient(left, rgba(11,10,13,0) 0%, rgba(11,10,13,0.5) 17%, rgba(11,10,13,0.52) 20%, rgba(11,10,13,1) 100%);
	background: -webkit-gradient(left top, right top, color-stop(0%, rgba(11,10,13,0)), color-stop(17%, rgba(11,10,13,0.5)), color-stop(20%, rgba(11,10,13,0.52)), color-stop(100%, rgba(11,10,13,1)));
	background: -webkit-linear-gradient(left, rgba(11,10,13,0) 0%, rgba(11,10,13,0.5) 17%, rgba(11,10,13,0.52) 20%, rgba(11,10,13,1) 100%);
	background: -o-linear-gradient(left, rgba(11,10,13,0) 0%, rgba(11,10,13,0.5) 17%, rgba(11,10,13,0.52) 20%, rgba(11,10,13,1) 100%);
	background: -ms-linear-gradient(left, rgba(11,10,13,0) 0%, rgba(11,10,13,0.5) 17%, rgba(11,10,13,0.52) 20%, rgba(11,10,13,1) 100%);
	background: linear-gradient(to right, rgba(11,10,13,0) 0%, rgba(11,10,13,0.5) 17%, rgba(11,10,13,0.52) 20%, rgba(11,10,13,1) 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0b0a0d', endColorstr='#0b0a0d', GradientType=1 );
	z-index: 20;
	padding-top: 10px;
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	padding-right: 40px;
}

.nav-r a {
		width: 50px;
		height: 50px;
		background: #2a2528;
		border-radius: 100%;
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		align-items: center;
		text-align: center;
		margin: 0 10px;
}

.nav-r a:hover {
	background: #000000;
}

.nav-r a:before {
	content: ' ';
	display: inline-block;
	position: relative;
}
		
.nav-r a.home:before {
	width: 26px;
	height: 21px;
	background: url(../images/ic-home.png) no-repeat;
	top: -2px;
}
.nav-r a.download:before {
	width: 20px;
	height: 20px;
	background: url(../images/ic-dl.png) no-repeat;
	top: 0px;
}
.nav-r a.forum:before {
	width: 28px;
	height: 23px;
	background: url(../images/ic-fr.png) no-repeat;
	top: 0px;
}
.nav-r a.group:before {
	width: 28px;
	height: 23px;
	background: url(../images/ic-gro.png) no-repeat;
	top: 0px;
}

.nav-r a.register:before {
	width: 24px;
	height: 23px;
	background: url(../images/ic-r.png) no-repeat;
	top: 0px;
}


	
.sound:before, .sound:after, .sound i:before, .sound i:after{
		content: ' ';
		width: 3px;
		height: 5px;
		background: #fddf8b;
		position: absolute;
		bottom: 2px;
		left: 3px;		
}
.sound:after{
		left: 8px;
		animation-delay: 200ms;
}

.sound i:before{
	left: 13px;
}

.sound i:after{
	left: 18px;
}

.sound.on:before, .sound.on:after, .sound.on i:before, .sound.on i:after{
	animation: sound_wave 0.5s infinite ease;
}

.sound.on i:before{
	animation-delay: 300ms;
}

.sound.on i:after{
	animation-delay: 330ms;
}

.sound.on:after{
	animation-delay: 200ms;
}


.tooltip {
	position: relative;
}

.tooltip:hover .tip {
			opacity: 1;
			visibility: visible;
}
.tooltip .tip {
		color: #fff;
		font-size: 12px;
		white-space: nowrap;
		position: absolute;
		bottom: -30px;
		left: 50%;
		transform: translateX(-50%);
		background: #212121;
		padding: 5px; 
		border-radius: 2px;
		opacity: 0;
		visibility: hidden;
		transition: all .4s ease;
}
.tooltip .tip:before {
			content: ' ';
			border-bottom: 3px solid #212121;
			border-left: 3px solid transparent;
			border-right: 3px solid transparent;
			position: absolute;
			top: -3px;
			left: 50%;
			margin-left: -3px;
		}
@keyframes sound_wave{50%{height:15px}}


.footer {
    background: linear-gradient(180deg, #0b0f1a, #05070d);
    padding: 30px 15px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-container {
    max-width: 1100px;
    margin: auto;
}

.footer-content {
    display: flex;
    align-items: center; /* CĂN GIỮA LOGO & TEXT */
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-logo img {
    width: 95px; /* LOGO TO VỪA */
    filter: drop-shadow(0 0 10px rgba(255,215,0,0.55));
}

.footer-text {
    color: #dcdcdc;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
}

.footer-text span {
    background: linear-gradient(90deg, #ffd700, #ff9d00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

.footer-text a {
    color: #4fc3ff;
    text-decoration: none;
    transition: 0.3s;
}

.footer-text a:hover {
    color: #ffd700;
    text-shadow: 0 0 6px rgba(255,215,0,0.6);
}

/* 📱 MOBILE */
@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-text {
        text-align: center;
    }
}.nav-l {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info .t1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #7CFF00, #C8FF8A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 6px rgba(124,255,0,0.6);
    margin: 0;
}

.info .t2 {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    color: #ffd700;
    text-shadow: 0 0 6px rgba(255,215,0,0.6);
    margin-top: 2px;
    text-transform: uppercase;
}
.buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

.btn-tab {
    padding: 10px 18px;
    background: rgba(0,0,0,0.55);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-tab span {
    text-shadow: 0 0 6px rgba(255,255,255,0.4);
}

.btn-tab:hover,
.btn-tab.active {
    background: linear-gradient(90deg, #ffb700, #ffd700);
    color: #000;
    box-shadow: 0 0 12px rgba(255,215,0,0.6);
}

.btn-tab.donate {
    background: linear-gradient(90deg, #ff4d4d, #ff9900);
    font-weight: 600;
}

.event-tab {
    display: none;
    text-align: center;
}

.event-tab.active {
    display: block;
}

.event-tab img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 18px rgba(0,0,0,0.6);
}



/* ===== FIX VIDEO BG MOBILE ===== */
@media (max-width: 768px) {

  .page-1 .video {
    height: 100vh;          /* thay 1080px */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;              /* bỏ margin auto gây lệch */
  }

  .page-1 .video video {
    width: 100%;
    height: 100%;
    object-fit: cover;      /* lấy đúng trọng tâm */
    object-position: center center;
  }

}
/* ===== FIX KHOẢNG ĐEN DƯỚI VIDEO - MOBILE ===== */
@media (max-width: 768px) {

  .page-1 {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
  }

  .page-1 .video {
    position: absolute;
    inset: 0;              /* top:0 right:0 bottom:0 left:0 */
    height: 100vh;         /* KHÔNG dùng 1080px */
    margin: 0;             /* bỏ margin auto */
  }

  .page-1 .video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom; /* 👈 đẩy hình sát xuống dưới */
  }

}
/* ===== MOBILE NAV FIX - KHÔNG ĐÈ VIDEO ===== */
@media (max-width: 768px) {

  /* gom nav thành khối riêng */
  .nav-l,
  .nav-r {
    position: relative;        /* ❌ bỏ fixed / absolute */
    width: 100%;
    background: linear-gradient(
      180deg,
      rgba(8,8,12,0.95),
      rgba(8,8,12,0.7),
      rgba(8,8,12,0)
    );
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 20;
  }

  /* chừa chỗ cho nav */
  .page-1 {
    padding-top: 110px;        /* 👈 QUAN TRỌNG */
  }

}
@media (max-width: 768px) {

  .nav-l {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 6px;
    text-align: center;
  }

  .nav-l .t1 {
    font-size: 15px;
    font-weight: 700;
    color: #7CFF00;
    text-shadow: 0 0 8px rgba(124,255,0,0.8);
    margin: 0;
  }

  .nav-l .t2 {
    font-size: 11px;
    color: #FFD700;
    letter-spacing: 0.5px;
    margin-top: 2px;
  }

}
@media (max-width: 768px) {

  .nav-l {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 6px;
    text-align: center;
  }

  .nav-l .t1 {
    font-size: 15px;
    font-weight: 700;
    color: #7CFF00;
    text-shadow: 0 0 8px rgba(124,255,0,0.8);
    margin: 0;
  }

  .nav-l .t2 {
    font-size: 11px;
    color: #FFD700;
    letter-spacing: 0.5px;
    margin-top: 2px;
  }

}

}
@media (max-width: 768px) {

  /* ==== BODY ==== */
  body {
    overflow-x: hidden;
    font-size: 13px;
  }

  /* ==== PAGE 1 ==== */
  .page-1 {
    min-height: 100vh;
  }



  /* ==== NAV ==== */
  .nav-l,
  .nav-r {
    width: 100%;
    height: 60px;
    padding: 5px 10px;
  }

  .nav-r {
    justify-content: center;
    padding-right: 0;
  }

  .nav-r a {
    width: 42px;
    height: 42px;
    margin: 0 5px;
  }

  /* ==== LOGO + SOUND ==== */
  .page-1 .logo-18plus,
  .page-1 .icon-sound {
    transform: scale(0.75);
    left: 10px;
  }

  /* ==== BUTTON VIDEO ==== */
  .page-1 .btn-youtube {
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.75);
  }

  .page-1 .btn-facebook,
  .page-1 .btn-group {
    left: 50%;
    transform: translateX(-50%) scale(0.8);
  }

  .page-1 .btn-facebook { top: 55%; }
  .page-1 .btn-group { top: 60%; }

  /* ==== OPEN TIME ==== */
  .open-time {
    top: auto;
    bottom: 120px;
    left: 50%;
    margin-left: 0;
    transform: translateX(-50%);
    font-size: 18px;
    text-align: center;
  }

  /* ==== COUNTDOWN ==== */
  .coutdown-time {
    position: relative;
    top: auto;
    left: auto;
    margin: 20px auto;
    transform: scale(0.7);
  }

  /* ==== BUTTON TABS ==== */
  .page .buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page .buttons .btn-tab {
    width: 90%;
    height: auto;
    padding: 12px 0;
    font-size: 16px;
  }

  /* ==== EVENT TEXT ==== */
  .page .event-text-1 {
    font-size: 28px;
    padding-left: 0;
    text-align: center;
    line-height: 1.3;
  }

  .page .event-text-2 {
    font-size: 34px;
    line-height: 1.2;
  }

  /* ==== ITEM GRID ==== */
  .page .event-tab .set-items .set-item {
    width: 90%;
    height: auto;
    background-size: contain;
  }

  /* ==== TOP ==== */
  .page .top {
    flex-direction: column;
  }

  .page .top .top-1,
  .page .top .top-2,
  .page .top .top-3 {
    width: 90%;
    background-size: contain;
  }

  /* ==== TABLE ==== */
  .page .table {
    overflow-x: auto;
  }

  table {
    font-size: 12px;
  }

  /* ==== FOOTER ==== */
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 768px) {

  .nav-l,
  .nav-r {
    position: relative;
    width: 100%;
    height: auto;
    padding: 8px 10px;
    background: rgba(11,10,13,0.9);
  }

  .nav-l {
    justify-content: center;
    text-align: center;
  }

  .nav-l .info {
    padding-left: 0;
  }

  .nav-l .info .btn {
    position: static;
    margin-top: 5px;
  }

  .nav-r {
    justify-content: center;
    margin-top: 5px;
  }

  .nav-r a {
    width: 40px;
    height: 40px;
    margin: 4px;
  }
}
👉 Kết quả:

Không còn 2 thanh che nhau

Icon không bị tràn mép

Click dễ trên mobile

🔧 3️⃣ FIX COUNTDOWN & OPEN TIME
css
Copy code
@media (max-width: 768px) {

  .coutdown-time {
    position: relative;
    left: auto;
    top: auto;
    margin: 15px auto;
    transform: scale(0.7);
    text-align: center;
  }

  .open-time {
    position: relative;
    top: auto;
    left: auto;
    margin: 10px auto;
    transform: none;
    font-size: 18px;
    text-align: center;
  }
}
@media (max-width: 768px) {
  .page {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    overflow-x: hidden;
  }
}
  .open-time {
    position: relative;
    top: auto;
    left: auto;
    margin: 10px auto;
    transform: none;
    font-size: 18px;
    text-align: center;
  }
}
.event-tab img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ===== SPARK FIRE EFFECT ===== */
.spark-wrap {
  position: relative;
  display: inline-block;
}

.spark-text {
  position: relative;
  z-index: 2;
  color: #7CFF00;
  text-shadow:
    0 0 8px rgba(124,255,0,.8),
    0 0 20px rgba(255,180,0,.6);
}

.btn-tab {
  position: relative;
  overflow: hidden;
}

.btn-tab::after {
  content: "";
  position: absolute;
  width: 120%;
  height: 100%;
  top: 0;
  left: -130%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,.35),
    transparent
  );
}

.btn-tab:hover::after {
  left: 130%;
  transition: left .6s ease;
}

.nav-r a {
  transition: transform .25s ease, box-shadow .25s ease;
}

.nav-r a:hover,
.nav-r a:active {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 0 14px rgba(255,215,0,.6);
}
.page[class*="bg-page-"] {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

/* canvas tro lửa */
.page[class*="bg-page-"] canvas.fire-dust {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* sấm chớp */
.page[class*="bg-page-"]::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  animation: warLightning 9s infinite;
}

/* nội dung trên cùng */
.page[class*="bg-page-"] > * {
  position: relative;
  z-index: 5;
}

/* lightning animation */
@keyframes warLightning {
  0%, 92%, 100% { background: rgba(255,255,255,0); }
  93% { background: rgba(255,255,255,0.6); }
  94% { background: rgba(255,255,255,0); }
}

/* ===== NAV FIX TOP MOBILE ===== */
@media (max-width: 768px) {

  .nav-l,
  .nav-r {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
  }

}
@media (max-width: 768px) {

  .page-1 {
    padding-top: 150px; /* 👈 đúng chiều cao nav */
    position: relative;
  }

}
@media (max-width: 768px) {

  .page-1 .video {
    position: absolute;
    inset: 0;
    height: 100vh;
    z-index: 1;
  }

}
@media (max-width: 768px) {

  .page-1 > *:not(.video) {
    position: relative;
    z-index: 10;
  }

}
/* ===== ĐẨY VIDEO SÁT DƯỚI NAV (MOBILE) ===== */
@media (max-width: 768px) {

  .page-1 .video {
    top: 100px;              /* 👈 BẰNG chiều cao nav */
    height: calc(100vh - 150px);
  }

}
@media (max-width: 768px) {

  :root {
    --nav-height: 60px;
  }

  .page-1 .video {
    top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
  }

}