html,
body {
	position: relative;
	height: 100vh;
}

body {
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	font-size: 14px;
	color: #000;
	margin: 0;
	padding: 0;
	max-height: 100%;
	overflow: hidden;
}

#mac-video {
	position: relative;
	height: 100vh;
	background-image: url(bg.png);
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
}

h1 {
	color: #fff;
	font-size: 28px;
	position: absolute;
	z-index: 2;
	top: 3vw;
	left: calc(50% - 490px);
}

#title {
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 2;
	overflow: hidden;
}

#title .swiper-slide {
	color: #fff;
}

#title .photographer {
	width: 900px;
}

#title .coder {
	width: 510px;
}

#title .musician {
	width: 660px;
}

#title .swiper-slide h3 {
	font-size: 120px;
	margin-top: 10vw;
	line-height: .91667;
	font-weight: 600;
	letter-spacing: -.015em;
	font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
	transition: opacity .3s;
	cursor: pointer;
}

#title .swiper-slide h3:hover {
	opacity: 1;
}

#title .prev h3 {
	opacity: 0;
}

#title .next h3 {
	opacity: 0.25;
}

#title .swiper-pagination {
	width: 980px;
	left: calc(50% - 490px);
	text-align: left;
	bottom: 30px;
}

#title .swiper-pagination .swiper-pagination-bullet {
	margin: 0 8px;
	background: #fff;
	outline: none;
}

#videos {
	width: 100%;
	height: 100%;

}

#videos .swiper-slide {
	position: relative;
	height: 100%;
	background-image: url(bg1.png);
	background-size: 100%;
	background-position: center;
	background-repeat: no-repeat;
	animation-duration: 3s;
	animation-name: slideinBg;
	animation-iteration-count: infinite;
	animation-direction: alternate;
}

#videos video {
	width: 100%;
	height: 100%;
}

#videos .swiper-slide .txt {
    color: #fff;
    position: absolute;
    top: 50vh;
    width: 790px;
    left: 50vw;
    transform: translate(-50%, -50%);
	font-size: 28px;
	line-height: 1.28595;
	font-weight: 600;
	letter-spacing: .007em;
	font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
}

@keyframes slideinBg {
	to {
		background-size: 110%;
	}
}


.menubox {
	background-color: #fff;
	border-top-left-radius: 36px;
	position: fixed;
	right: 0;
	bottom: 0;
	display: flex;
	padding: 20px 35px;
	z-index: 1;
}

.menubox .img-logo {
	width: 150px;
}

.menubox .itembox {
	padding-left: 120px;
	display: flex;
	justify-items: center;
	align-items: center;
	flex-direction: row;
	flex-shrink: 0;
}

.menubox .itembox .item {
	flex: 1;
	font-size: 13px;
	font-weight: 600;
	padding: 5px 24px;
	text-align: center;
	white-space: nowrap;
	color: #333;
	min-width: 95px;
}

.menubox .itembox .item.active {
	background-color: #a97443;
	border-radius: 20px;
	color: #fff;
}

/* 第一个 */
.slide_1_imgbox {
	/* display: flex; */
	flex-shrink: 0;
	position: absolute;
	top:50vh;
	transform: translateY(-50%);
}

.slide_1_imgbox .img {
	position: absolute;
	transform: translate(-50%, -50%);
	border-radius: 50%;
	box-shadow: 0px 0px 0px 0px rgba(255, 255, 255, 1);
	animation-duration: 3s;
	animation-name: imageMaopao;
	animation-iteration-count: infinite;
	/* animation-direction: alternate; */
}

.slide_1_imgbox .img:nth-child(1) {
	left: 15vw;
	top: 100px;
}

.slide_1_imgbox .img:nth-child(2) {
	left: 25vw;
	top: -129px;
}

.slide_1_imgbox .img:nth-child(3) {
	left: 50vw;
}

.slide_1_imgbox .img:nth-child(4) {
	left: 75vw;
	top: 100px;
}

.slide_1_imgbox .img:nth-child(5) {
	left: 85vw;
	top: -129px;

}


@keyframes imageMaopao {
	to {
		box-shadow: 0px 0px 60px 0px rgba(255, 255, 255, .1);
		/* transform:translate(-50%, -50%) rotate(360deg); */
	}
}

.slide_1_footer {
	position: absolute;
	bottom: 20px;
	left: 20px;
}


.slide_1_footer a {
	position: relative;
	display: block;
	text-decoration: none;
	color: #fff;
	margin-top: 10px;
	padding-left: 27px;
}

.slide_1_footer .beian {
	padding-left: 27px;
}

.slide_1_footer .beian::before {
	content: " ";
	position: absolute;
	display: block;
	left: 0;
	bottom: 0;
	background-image: url(./beian.png);
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	width: 20px;
	height: 20px;

}