.main {
	position: relative;
}

.main .main-navigation {
	position: absolute;
	top: 40px;
	left: 16px;
	right: 16px;
	z-index: 10;
}
.main .main-navigation .main-navigation__btn {
	max-width: 275px;
}
.wrapper-main-content {
	min-height: 1500px;
	background-color: #1c1a1a;
	-webkit-transition: background-color 0.5s linear;
	-o-transition: background-color 0.5s linear;
	transition: background-color 0.5s linear;
}
.main-navigation__link.disabled {
	opacity: 0.5;
	pointer-events: none;
}
.main-video-container {
	position: relative;
	border-radius: 8px;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	border-radius: 8px;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
	z-index: 1;
	overflow: hidden;
}
.main-video-container  video,
.main-video-container img,
.main-video-container > iframe,
.main-video-container picture {
	width: 100%;
	height: auto;
	border-radius: 8px;
	overflow: hidden;
	z-index: 1;
	border-width: 0;
	outline-width: 0;
}
.main-video-container a {
	display: block;
	width: 100%;
	height: auto;
}
.main-video-container picture img {
	display: block;
	width: 100%;
	height: auto;
}
.wrapper-main-video {
	padding: 8px;
}
.wrapper-main {
	position: relative;
}

.quality-list {
	margin-top: 64px;
	padding: 0 16px 80px;
}
.quality-list li:not(:last-child) {
	margin-bottom: 48px;
}
.quality-list__icon {
	display: block;
	width: 128px;
	height: 128px;
	margin-bottom: 24px;
}
.quality-list__info {
	/*font-weight: 300;*/
	color: rgba(255, 255, 255, 0.64);
}
.quality-list__title {
	font-size: 28px;
	line-height: 32px;
	margin-bottom: 16px;
	-webkit-font-feature-settings: "tnum" on, "lnum" on, "ss02" on;
	font-feature-settings: "tnum" on, "lnum" on, "ss02" on;
}
.quality-list__text {
	font-size: 16px;
	line-height: 22px;
	-webkit-font-feature-settings: "tnum" on, "lnum" on;
	font-feature-settings: "tnum" on, "lnum" on;
}
.quality-list__text:not(:last-child) {
	margin-bottom: 24px;
}
.contact-block {
	position: relative;
	padding: 80px 16px 120px;
}
.contact-block::before {
	content: "";
	height: 1px;
	background-color: #fff;
	position: absolute;
	top: 0;
	left: 16px;
	right: 16px;
}

.contact-block > ul > li:not(:last-child) {
	margin-bottom: 48px;
}

.contact-block > ul > li > div:not(:last-child) {
	margin-bottom: 16px;
}

.contact-block__title {
	font-size: 32px;
	line-height: 36px;
	color: #000;
	font-feature-settings: "tnum" on, "lnum" on, "ss02" on;
	margin-bottom: 12px;
}

.contact-block > ul p:not(:last-child) {
	margin-bottom: 12px;
}

.contact-block > ul div:not(:last-child)::after {
	content: "";
	display: block;
	-webkit-box-flex: 1;
	-ms-flex-positive: 1;
	flex-grow: 1;
	-ms-flex-item-align: end;
	align-self: flex-end;
	margin-top: 16px;
	height: 3px;
	background-image: -webkit-gradient(
		linear,
		left top,
		right top,
		color-stop(10%, rgba(0, 0, 0, 1)),
		color-stop(0%, rgba(255, 255, 255, 0))
	);
	background-image: -o-linear-gradient(
		left,
		rgba(0, 0, 0, 1) 10%,
		rgba(255, 255, 255, 0) 0%
	);
	background-image: linear-gradient(
		to right,
		rgba(0, 0, 0, 1) 10%,
		rgba(255, 255, 255, 0) 0%
	);
	background-position: center;
	background-size: 7px 1px;
	background-repeat: repeat-x;
}
.contact-block__work-time span:first-child {
	margin-right: 24px;
}
.volume-switch {
	display: block;
	position: absolute;
	right: 15px;
	bottom: 15px;
	height: 48px;
	width: 48px;
	cursor: pointer;
}
.volume-switch i {
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	padding: 12px;
	width: 100%;
	height: 100%;
	z-index: 100;
}
.volume-switch i::before {
	display: block;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	content: "";
	width: 100%;
	height: 100%;
	border-radius: 50%;
	opacity: 0.5;
	background-color: #1c1a1a;
	z-index: -1;
}
.volume-switch i::after {
	content: "";
	display: block;
	width: 100%;
	height: 100%;
}
.volume-switch.volume-switch-on i::after {
	background: center / cover no-repeat url(../img/icons/volume-on.svg);
}
.volume-switch.volume-switch-off i::after {
	background: center / cover no-repeat url(../img/icons/volume-off.svg);
}
@media screen and (min-width: 428px) {
	.main .main-navigation {
		left: 24px;
		right: 24px;
	}
	.quality-list {
		padding: 0 24px 80px;
	}
	.contact-block {
		padding: 80px 24px 120px;
	}
	.contact-block::before {
		left: 24px;
		right: 24px;
	}
}
@media screen and (min-width: 804px) {
	.wrapper-main {
		padding: 0px 8px 8px;
	}
	.wrapper-main > div,
	.main-wrapper {
		border-radius: 8px;
	}
	.wrapper-main-content {
		border-radius: 8px;
	}
	.main-video-container {
		min-height: 300px;
	}
	.main .main-navigation {
		top: 32px;
		left: 40px;
		right: 40px;
	}
	.quality-list {
		margin: 64px auto 0;
		padding: 0 0 80px;
		max-width: 603px;
	}
	.quality-list li {
		display: -webkit-box;
		display: -ms-flexbox;
		display: flex;
		-webkit-box-align: center;
		-ms-flex-align: center;
		align-items: center;
	}
	.quality-list__info {
		max-width: 390px;
	}
	.quality-list__icon {
		margin-right: 85px;
		margin-bottom: 0;
	}
	.downgload-block::before {
		left: 32px;
		right: 32px;
	}
	.quality-list li:not(:last-child) {
		margin-bottom: 64px;
	}
	.contact-block {
		padding: 80px 32px 120px;
	}
	.contact-block > ul {
		display: flex;
		margin: 0 -20px;
	}
	.contact-block > ul > li {
		width: 33.333%;
		padding: 0 20px;
	}
	.contact-block::before {
		left: 32px;
		right: 32px;
	}
	.contact-block > ul > li:not(:last-child) {
		margin-bottom: 0;
	}
}
@media screen and (min-width: 1024px) {
	.downgload-block__main .image-block {
		display: block;
		position: relative;
		z-index: 2;
	}
	.main .main-navigation {
		top: 16px;
		left: auto;
		width: 186px;
		right: auto;
		padding-left: 16px;
	}
	.main .main-navigation::after {
		content: "";
		display: block;
		height: 50px;
	}
	.wrapper-main-content > div {
		padding-left: 25.2%;
		padding-right: 6.35%;
	}
	.quality-list {
		padding: 0;
		display: -webkit-box;
		display: -ms-flexbox;
		display: flex;
		-ms-flex-wrap: wrap;
		flex-wrap: wrap;
		max-width: 150%;
		width: auto;
		margin: 40px -22px;
	}
	.quality-list li {
		padding: 40px 20px;
		width: 33.333%;
		display: block;
	}
	.quality-list__info {
		max-width: 100%;
	}
	.quality-list li:not(:last-child) {
		margin-bottom: 0;
	}
	.quality-list__icon {
		margin-right: 0;
		margin-bottom: 32px;
	}
	.quality-list__title {
		margin-bottom: 16px;
	}
	.contact-block::before {
		left: 0;
		right: 0;
	}
	.qr-code-block .text {
		display: block;
		max-width: 113px;
		margin-top: 21px;
		font-size: 14px;
		line-height: 20px;
		color: rgba(255, 255, 255, 0.64);
	}
	.contact-block {
		padding: 80px 0px 120px;
	}
	.volume-switch {
		right: 30px;
		bottom: 30px;
	}
}
@media screen and (min-width: 1200px) {
	.main .main-navigation {
		width: 304px;
	}
	.wrapper-main-content > div {
		padding-left: 31.51%;
		padding-right: 6.1%;
	}
}
@media screen and (min-width: 1400px) {
	.main .main-navigation {
		top: 40px;
		width: 384px;
		padding-left: 40px;
	}
}
@media screen and (min-width: 1600px) {
	.main .main-navigation {
		top: 56px;
		padding-left: 56px;
	}
	.wrapper-main-content > div {
		padding-right: 6.25%;
	}
}
@media screen and (min-width: 1920px) {
	.main .main-navigation {
		width: 440px;
	}
	.wrapper-main-content > div {
		padding-right: 12.3%;
	}
}