.banner {
	width: 100%;
	height: 370px;
	position: relative;
}

.banner img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.banner_dw {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
}

.banner_title {
	text-align: center;
	font-family: Source Han Sans CN;
	font-weight: 500;
	font-size: 48px;
	color: #FFFFFF;
	margin-bottom: 26px;
	text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.banner_text {
	text-align: center;
	font-family: Source Han Sans CN;
	font-weight: 400;
	font-size: 20px;
	color: #FFFFFF;
	text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* 统计信息样式 */
.case_stats {
	display: flex;
	justify-content: space-around;
	align-items: center;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 16px;
	padding: 40px 20px;
	margin: 60px 0 40px 0;
	box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.stats_item {
	text-align: center;
	color: white;
}

.stats_number {
	font-size: 36px;
	font-weight: bold;
	margin-bottom: 8px;
	font-family: Source Han Sans CN;
}

.stats_label {
	font-size: 16px;
	opacity: 0.9;
	font-family: Source Han Sans CN;
}

.case_menu {
	width: 100%;
	height: 92px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #FFFFFF;
	margin-top: -46px;
	position: relative;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
	z-index: 1;
	flex-wrap: wrap;
	padding: 0 20px;
}

.case_menu_item {
	width: 136px;
	height: 46px;
	margin: 5px 11px;
	text-align: center;
	line-height: 46px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	color: #333333;
	font-size: 18px;
	display: inline-block;
	border-radius: 10px;
	cursor: pointer;
	transition: all 0.3s ease;
}

.case_menu_item:hover {
	background: rgba(62, 134, 249, 0.1);
	color: #3E86F9;
}

.case_menu_active {
	color: #FFFFFF;
	background: linear-gradient(90deg, #3E86F9 0%, #75AFFF 100%);
	box-shadow: 0 4px 15px rgba(62, 134, 249, 0.3);
}

.margin {
	margin-bottom: 88px;
	padding-bottom: 88px;
}

.mt60 {
	margin-top: 68px;
}

.rt {
	float: right;
}

.main_grid {
	display: flex;
	flex-wrap: wrap;
	margin-top: 72px;
	justify-content: space-between;
}

.main_grid_item {
	width: 380px;
	min-height: 180px;
	padding: 25px;
	box-sizing: border-box;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 16px;
	cursor: pointer;
	overflow: hidden;
	margin-bottom: 32px;
	transition: all 0.3s ease;
	position: relative;
}

.main_grid_item:hover {
	transform: translateY(-5px);
	box-shadow: 0px 12px 50px 0px rgba(47, 113, 222, 0.2);
}

.main_grid_item:nth-child(3n) {
	margin-right: 0;
}



.main_grid_item_title {
	font-family: Source Han Sans CN;
	font-weight: 600;
	font-size: 20px;
	color: #333333;
	margin-bottom: 12px;
	text-align: center;
	line-height: 1.4;
}

.main_grid_item_subhead {
	font-family: Source Han Sans CN;
	font-weight: 400;
	font-size: 16px;
	color: #666666;
	text-align: center;
	margin-bottom: 15px;
}

/* 标签样式 */
.case_tags {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
	margin-bottom: 15px;
}

.tag {
	background: linear-gradient(90deg, #3E86F9 0%, #75AFFF 100%);
	color: white;
	padding: 4px 12px;
	border-radius: 20px;
	font-size: 12px;
	font-weight: 500;
}

/* 案例描述 */
.case_desc {
	font-size: 14px;
	color: #666;
	line-height: 1.6;
	text-align: center;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* 无案例提示 */
.no-cases {
	width: 100%;
	text-align: center;
	padding: 60px 20px;
	color: #999;
	font-size: 18px;
	background: #f8f9fa;
	border-radius: 16px;
	border: 2px dashed #ddd;
}

/* 加载动画 */
.loading {
	width: 100%;
	text-align: center;
	padding: 60px 20px;
	color: #3E86F9;
	font-size: 18px;
	background: #f8f9fa;
	border-radius: 16px;
	position: relative;
}

.loading::after {
	content: '';
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 2px solid #3E86F9;
	border-radius: 50%;
	border-top-color: transparent;
	animation: spin 1s linear infinite;
	margin-left: 10px;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}



/* 弹窗样式 */
.case_modal {
	display: none;
	position: fixed;
	z-index: 1000;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(5px);
}

.case_modal_content {
	background-color: white;
	margin: 5% auto;
	padding: 0;
	border-radius: 16px;
	width: 90%;
	max-width: 800px;
	max-height: 80vh;
	overflow-y: auto;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.case_modal_header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 30px 30px 20px;
	border-bottom: 1px solid #eee;
}

.case_modal_header h3 {
	margin: 0;
	font-size: 24px;
	color: #333;
	font-weight: 600;
}

.close_btn {
	font-size: 28px;
	font-weight: bold;
	color: #999;
	cursor: pointer;
	transition: color 0.3s ease;
}

.close_btn:hover {
	color: #333;
}

.case_modal_body {
	padding: 30px;
}

.case_detail_info {
	display: flex;
	gap: 30px;
	align-items: flex-start;
}

.case_detail_content {
	flex: 1;
}

.case_detail_content h4 {
	margin: 0 0 15px 0;
	font-size: 22px;
	color: #333;
	font-weight: 600;
}

.case_detail_content p {
	margin: 0 0 20px 0;
	font-size: 16px;
	line-height: 1.6;
	color: #666;
}

.case_detail_tags {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 25px;
}

.case_detail_tags .tag {
	background: linear-gradient(90deg, #3E86F9 0%, #75AFFF 100%);
	color: white;
	padding: 6px 16px;
	border-radius: 20px;
	font-size: 14px;
	font-weight: 500;
}

.case_detail_features h5 {
	margin: 0 0 15px 0;
	font-size: 18px;
	color: #333;
	font-weight: 600;
}

.case_detail_features ul {
	margin: 0;
	padding-left: 20px;
}

.case_detail_features li {
	margin-bottom: 8px;
	font-size: 15px;
	color: #666;
	line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 1200px) {
	.container {
		width: 100% !important;
		padding: 0 20px;
	}
	
	.main_grid_item {
		width: calc(50% - 16px);
	}
	
	.main_grid_item:nth-child(3n) {
		margin-right: 16px;
	}
	
	.main_grid_item:nth-child(2n) {
		margin-right: 0;
	}
}

@media (max-width: 768px) {
	.banner_title {
		font-size: 32px;
	}
	
	.banner_text {
		font-size: 16px;
	}
	
	.case_menu {
		height: auto;
		padding: 20px;
		margin-top: -30px;
	}
	
	.case_menu_item {
		width: calc(50% - 20px);
		margin: 5px 10px;
		font-size: 16px;
	}
	
	.case_stats {
		flex-direction: column;
		gap: 30px;
		padding: 30px 20px;
	}
	
	.main_grid_item {
		width: 100%;
		margin-right: 0;
	}
	
	.case_modal_content {
		width: 95%;
		margin: 10% auto;
	}
	
	.case_detail_info {
		flex-direction: column;
		text-align: center;
	}
	
	.case_detail_logo {
		margin: 0 auto;
	}
	

}

@media (max-width: 480px) {
	.case_menu_item {
		width: calc(100% - 20px);
		font-size: 14px;
	}
	
	.main_grid_item {
		padding: 20px;
	}
	
	.main_grid_item_title {
		font-size: 18px;
	}
	
	.case_modal_header {
		padding: 20px;
	}
	
	.case_modal_body {
		padding: 20px;
	}
	
	.case_modal_header h3 {
		font-size: 20px;
	}
}