body{
	font-size: 16px;
}
.navbar-toggler:focus{
	box-shadow: none;
}
.grad-btm {
	z-index: 2;
	background-image: linear-gradient(#0000 50%, #000);
	width: 100%;
	height: 100vh;
	position: absolute;
	inset: auto auto 0% 0%
}
.grad-btm-1 {
	z-index: 2;
	background-image: linear-gradient(#0000 5%, #000);
	width: 100%;
	height: 100vh;
	position: absolute;
	inset: auto auto 0% 0%
}
.grad-ttm {
	z-index: 2;
	background-image: linear-gradient(#000 50%,#0000);
	width: 100%;
	height: 100vh;
	position: absolute;
	inset: auto auto 0% 0%
}
.grad-ttm-1 {
	z-index: 2;
	background-image: linear-gradient(#000 1%,#0000);
	width: 100%;
	height: 100vh;
	position: absolute;
	inset: auto auto 0% 0%
}
.bg-mask{
	background-image: url("../images/bg-mask.png");
	background-color: rgba(0, 0, 0, .1);
	background-repeat: repeat;
}


.animate {
	-webkit-animation-duration: 1s;
	animation-duration: 1s;
	-webkit-animation-duration: var(--animate-duration);
	animation-duration: var(--animate-duration);
	-webkit-animation-fill-mode: both;
	animation-fill-mode: both
}
.fs-12{
	font-size: 12px
}
.fs-16{
	font-size: 16px
}
.fs-18{
	font-size: 18px
}
.fs-20{
	font-size: 20px
}
.fs-22{
	font-size: 22px
}
.fs-24{
	font-size: 24px;
}
.fs-26{
	font-size: 26px
}
.fs-28{
	font-size: 28px
}
.fs-30{
	font-size: 30px
}
.fs-32{
	font-size: 32px
}
.fm-st{
	font-family: "宋体", Arial, sans-serif;
}
.lh-14{
	line-height: 1.4;
}
.lh-17{
	line-height: 1.7;
}
.lh-20{
	line-height: 2;
}
.text-justify{
	text-align: justify;
}
.vertical-text {
  writing-mode: vertical-rl; 
  letter-spacing: 1rem;/* 文字从上到下竖排，从右到左 */
}

.max-w-100{
	max-width: 100%;
}
.max-vh-100{
	max-height: 100vh;;
}
.vh-50{
	height: 50vh;
}
.vh-40{
	height: 40vh;
}
.ls-0{
	letter-spacing: 0;
}