/* 公共样式表css */

/* 必要布局样式css */
.trade-content {
	padding: 30px 0;
}
.trade-title {
	font-size: 24px;
	color: #333;
	text-align: center;
	margin: 50px 0;
	position: relative;
}
.trade-title:before {
	content: "";
	position: absolute;
	width: 0;
	height: 0;
	bottom: -19px;
	left: 50%;
	transform: translateX(-50%);
	border: 6px solid;
	border-color: #20B09F transparent transparent;
}
.trade-title:after {
	content: "";
	position: absolute;
	width: 52px;
	height: 3px;
	background-color: #20B09F;
	bottom: -8px;
	left: 50%;
	transform: translateX(-50%);
}
.trade-black {
	height: 640px;
	margin-top: 40px;
	background-color: #30383e;
}
.trade-box {

	margin: 0 auto;
	position: relative;
	transition: all .3s ease;
}
.trade-box-list {
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
}
.trade-box-item {
	flex: 1;
	text-align: center;
	position: relative;
	height: 640px;
	background: no-repeat center;
	background-size: 100% auto;
}
.trade-box-item:before {
	content: "";
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	background-color: rgba(0,0,0,.6);
	transition: all .4s cubic-bezier(.4, 0, .2, 1);
}
.trade-box-item a {
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
}
a, button, input, textarea {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	-moz-transition: all .3s ease;
	-webkit-transition: all .3s ease;
	transition: all .3s ease;
}
.item-logo {
	margin: 0 auto;
	display: block;
}
.trade-box-item .item-logo {
	position: relative;
	margin-top: 250px;
	transition: all .4s cubic-bezier(.4, 0, .2, 1);
}
.item-logo img {
	display: block;
	margin: 0 auto;
	max-width: 100%;
}
.item-title {
	font-size: 20px;
	font-weight: bold;
	color: #fff;
	padding: 20px 0;
	position: relative;
}
.item-title:before {
	content: "";
	position: relative;
	display: block;
	width: 20px;
	border-bottom: 2px solid #fff;
	margin: 0 auto 20px;
	transition: all .4s cubic-bezier(.4, 0, .2, 1);
}
.item-text {
	position: relative;
	transition: all .4s cubic-bezier(.4, 0, .2, 1);
	opacity: 0;
	margin-top: 10px;
}
.item-text p {
	color: #fff;
	font-size: 16px;
	margin-bottom: 5px;
}
.trade-box-list .item01 {
	background-image: url(../images/img_10.jpg);
}
.trade-box-list .item02 {
	background-image: url(../images/img_11.jpg);
}
.trade-box-list .item03 {
	background-image: url(../images/img_12.jpg);
}
.trade-box-list .item04 {
	background-image: url(../images/img_13.jpg);
}
.trade-box-list .item05 {
	background-image: url(../images/img_64.jpg);
}
.trade-box-item:hover .item-text {
	display: block;
	opacity: 1;
	margin-top: 0;
}
.trade-box-item:hover:before {
	background-color: rgb(255 129 0 / 70%);
}
.trade-box-item:hover .item-logo {
	margin-top: 180px;
}
.trade-box-item:hover .item-title:before {
	opacity: 0;
	margin-bottom: 0;
}