html {
	width: 100vw;
	height: auto;
	overflow-x: hidden;
}

.head-carousel {
	margin-top: 50px !important;
	width: 100vw;
	height: auto !important;
}

.head-carousel img {
	width: 100vw;
	height: auto !important;
}

.text {
	width: 80% !important;
	letter-spacing: 0rem !important;
}

.h2 {
	margin-top: 10% !important;
	margin-bottom: 10% !important;
}

.prdt_container {
	width: 100%;
	height: auto;
	margin: 0 auto;
	font-family: '思源黑体regular', 'Microsoft YaHei';
}

.avatar_first {
	/* width: 80%; */
	/* text-align: center; */
	font-size: 2rem;
	margin-top: 10%;
	margin-bottom: 13%;
}


.avatar_first span {
	line-height: 5rem;
	padding-left: 1.25rem;
}

.avatar_second img {
	width: 100%;
	height: 100%;
	margin-top: 5%;
	margin-bottom: 5%;
}


.avatar_second {
	margin-bottom: 15%;
}

.second_right {
	margin-top: 10%;
	margin-left: -5%;
}

.avatar_img img {
	width: 300px;
	height: auto;
}

.avatar_third p {
	width: calc(100% - 40px);
	font-size: 14px;
	padding-left: 20px;
	/* font-weight: 700; */
	text-indent: 1cm;
	letter-spacing: 2px;
}

.row1 {
	background-color: #f3f6fd;
}

.four_first,
.four_first1 {
	padding: 20px;
}

.btn_second {
	font-size: 0.625rem !important;
	line-height: 20px;
	padding: 0.3125rem !important;
}

.four_first .h3 {
	font-size: 18px;
}

.four_first1 p,
.four_first p {
	margin: 0px !important;
	font-size: 12px !important;
	font-weight: 700;
}

.four_secone_left img {
	/* height: 90%; */
	width: 100%;
	height: auto;
	/* padding-top: 3%; */
	/* padding-left: 15%; */
	/* font-weight: 700; */
	padding-bottom: 15%;
	padding-top: 15%;
	margin-top: 20%;

}

.row>* {
	width: 50% !important;
}

.four_first_right img {
	width: 100%;
	/* margin-top: 15%; */
	padding-bottom: 15%;
	margin-left: 10%;
	margin-top: 45% !important;
}

.four_first_left {
	font-weight: 700;
	/* font-size: 1.5rem; */
	margin-top: 10% !important;
}

.four_secone_right {
	padding-left: 20%;
	font-weight: 700;
	/* padding-top: 6%; */
	/* font-size: 1.5rem; */
	margin-top: 10%;
}

/* 回到顶端 */
.arrow {
	border: 9px solid transparent;
	border-bottom-color: #3DA0DB;
	width: 0px;
	height: 0px;
	top: 0px
}

.stick {
	width: 8px;
	height: 14px;
	border-radius: 1px;
	background-color: #3DA0DB;
	top: 15px;
}

#back_top div {
	position: absolute;
	margin: auto;
	right: 0px;
	left: 0px;
}

#back_top {
	background-color: #dddddd;
	height: 38px;
	width: 38px;
	border-radius: 3px;
	display: block;
	cursor: pointer;
	position: fixed;
	right: 50px;
	bottom: 100px;
	display: none;
}