.partner_box { 
	width: 100%; height: auto;
	box-sizing: border-box;
}

.partner_box .partner_item:nth-child(5n+1) { margin-left: 0px; }
.partner_box .partner_item:nth-child(n+6) { margin-top: 40px; }
.partner_box .partner_item { 
	width: calc(20% - 16px); height: auto;
	margin-left: 20px;
	box-sizing: border-box;
}


.partner_box .partner_item .partner_thum { 
	width: 100%; height: auto;
	border: 1px solid #e2e2e2;
	box-sizing: border-box;
}

.partner_box .partner_item .partner_thum img { 
	width: 100%; height: auto; 
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
	box-sizing: border-box;
}


.partner_box .partner_item .partner_title { 
	width: 100%; height: auto; line-height: 1.5;
	margin-top: 15px;
	font-size: 18px; color: #000; text-align: left;

	overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
	box-sizing: border-box;
}

.partner_box .partner_item .partner_desc { 
	width: 100%; height: 4.5em; line-height: 1.5;
	margin-top: 5px;
	font-size: 16px; color: #666666; text-align: left;

	display: -webkit-box; display: -ms-flexbox; display: box; 
	overflow:hidden; vertical-align:top; text-overflow: ellipsis; 
	word-break:break-all; -webkit-box-orient:vertical; -webkit-line-clamp: 3;

	box-sizing: border-box;
}



@media (max-width: 479px){ 
	.partner_box .partner_item .partner_title { font-size: 16px; }
	.partner_box .partner_item .partner_desc { font-size: 15px; }
	.partner_box .partner_item { width: calc(50% - 7.5px); margin-left: 15px; }
	.partner_box .partner_item:nth-child(n+6) { margin-top: 0px; }
	.partner_box .partner_item:nth-child(n+3) { margin-top: 30px; }
	.partner_box .partner_item:nth-child(5n+1) { margin-left: 15px; }
	.partner_box .partner_item:nth-child(2n+1) { margin-left: 0px; }
}

@media (max-width: 749px) and (min-width: 480px) { 
	.partner_box .partner_item .partner_title { font-size: 16px; }
	.partner_box .partner_item .partner_desc { font-size: 15px; }
	.partner_box .partner_item { width: calc(33.333% - 10px); margin-left: 15px; }
	.partner_box .partner_item:nth-child(n+6) { margin-top: 0px; }
	.partner_box .partner_item:nth-child(n+4) { margin-top: 30px; }
	.partner_box .partner_item:nth-child(5n+1) { margin-left: 15px; }
	.partner_box .partner_item:nth-child(3n+1) { margin-left: 0px; }
}

@media (max-width: 1023px) and (min-width: 750px) { 
	.partner_box .partner_item .partner_title { font-size: 16px; }
	.partner_box .partner_item .partner_desc { font-size: 15px; }
	.partner_box .partner_item { width: calc(25% - 11.5px); margin-left: 15px; }
	.partner_box .partner_item:nth-child(n+6) { margin-top: 0px; }
	.partner_box .partner_item:nth-child(n+5) { margin-top: 30px; }
	.partner_box .partner_item:nth-child(5n+1) { margin-left: 15px; }
	.partner_box .partner_item:nth-child(4n+1) { margin-left: 0px; }

}


@media (max-width: 1279px) and (min-width: 1024px) { 
	.partner_box .partner_item .partner_title { font-size: 16px; }
	.partner_box .partner_item .partner_desc { font-size: 15px; }
}

/*
	@media (max-width: 479px){ 

	}

	@media (max-width: 749px) and (min-width: 480px) { 

	}

	@media (max-width: 1023px) and (min-width: 750px) { 

	}


	@media (max-width: 1279px) and (min-width: 1024px) { 

	}
*/