body{
		background-color: lightgray;
		padding-top: 64px;
	}
	.main{	
		width: 1300px;
		height: 3000px;
		background-color: #e5e7eb;
		margin: auto;
		background-color: rgba(255, 255, 255, 0.8);/* 80%透明度的白色 */
	}
	/*--------------------左边图片及标签---------------------*/
	.leftimg{
		height: 350px;
		width: 570px;
		/*background-color: burlywood;*/
	}
	.welcome{	
		
		width: 570px;
		height: 291px;
		/*background-color: blue;*/
		float: left;
		overflow: hidden; /* 清除浮动 */
	}	
	.le{
		display: flex;
		float: left;
		/*background-color: cadetblue;*/
		width: 570px;
		height: 50px;
		margin-top: 5px;
		
	}
	.dowload{
		display: flex;
		background-color: red;
		
		width: 150px;
		height: 50px;
		margin-left: 30px;
		justify-content: center; /* 水平居中 */
		align-items: center; /* 垂直居中 */
		user-select: none;/*这段文本不能被选中*/
		border-radius: 15px 15px 15px 15px;
		opacity: 0.8;/*透明度*/
	}
	.dowload p{
		color: whitesmoke;
	}
	.upload{
		display: flex;
		background-color: blue;
		width: 150px;
		height: 50px;
		margin-left: 30px;
		justify-content: center; /* 水平居中 */
		align-items: center; /* 垂直居中 */
		user-select: none;/*这段文本不能被选中*/
		border-radius: 15px 15px 15px 15px;
	}
	.upload p{
		color: whitesmoke;
	}
	.control{
		display: flex;
		/*background-color: yellow;*/
		width: 150px;
		height: 50px;
		margin-left: 30px;
		justify-content: center; /* 水平居中 */
		align-items: center; /* 垂直居中 */
		user-select: none;/*这段文本不能被选中*/
		border-radius: 15px 15px 15px 15px;
	}
	/* 修复超链接点击区域 */
	.dowload a, .upload a, .control a {
	    display: block; /* 关键：将超链接设为块级元素 */
	    width: 100%;    /* 填充整个父容器 */
	    height: 100%;   /* 填充整个父容器 */
	    text-align: center; /* 文字居中 */
	    line-height: 50px; /* 垂直居中（与按钮高度相同） */
	}
	.control p{
		color: black;
	}
	/*--------------------轮播图---------------------*/
	.rightimg{
		float: right;
		width: 700px;
		height: 350px;
		/*background-color: blueviolet;*/
		overflow: hidden; /* 清除浮动 */
		position: relative;
	}
	.boximg{
		position: absolute;	
		top: 0;
		left: 0;
		opacity: 0;
		transition: all 1s; 
	}
	.boximg:nth-child(1){/*默认显示第一张图片*/
		opacity: 1;
	}
	.lbot{
		position: relative;
		width: 25px;
		height: 25px;		
		color: black;
		top:175px ;
		border-radius: 25px 25px 25px 25px;
		text-align: center;
		line-height: 23px;
		font-size: 20px;
		user-select: none;/*这段文本不能被选中*/
	}
	.lbot:hover{
		background-color: #00000050;
		color: #fff;
		cursor:pointer
	}
	.rbot{
		position: relative;
		width: 25px;
		height: 25px;		
		color: black;
		top:175px ;
		border-radius: 25px 25px 25px 25px;
		text-align: center;
		line-height: 23px;
		font-size: 20px;
		float: right;
		user-select: none;
	}
	.rbot:hover{
		background-color: #00000050;
		color: #fff;
		cursor:pointer
	}
	.positioning ul{
		padding: 0;
		margin: 0;
		list-style: none;
	}
	.positioning li{
		width: 10px;
		height: 10px;
		border-radius: 100%;
		background-color: #ccc;
		float: left;
		margin-right: 10px;
	}
	.positioning li:hover{
		/*background-color: royalblue;*/
	}
	.positioning li:nth-child(1){
		/*background-color: royalblue;*/
	}
	.positioning{
		position: absolute;
		bottom: 10px;
		margin-left: 300px;
	}
	/*-----------------图片展示区-----------------------*/
	.newpicture{
		display: flex;
		width: 250px;
		height: 35px;
		margin-left: 50px;
		/*background-color: beige;*/
		align-items: center; /* 垂直居中 */
	}
	.ckgd{
		display: block; /* 关键：将超链接设为块级元素 */
		margin-left: 50px;
		color: dodgerblue;
		font-size: 15px;
	}
	.picture_zone{
		width: 1300px;
		height: 2000px;
		/*background-color: azure;*/
	}
	
	  /* 瀑布流样式 */
	        .grid {
	            width: 100%;
	        }
	        
	        .grid-sizer, .grid-item {
	            width: calc(25% - 20px);
	        }
	        
	        .grid-item {
	            margin-bottom: 20px;
	            border-radius: 12px;
	            overflow: hidden;
	            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
	            transition: all 0.3s ease;
	            background: white;
	        }
	        
	        .grid-item:hover {
	            transform: translateY(-5px);
	            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
	        }
	        
	        .grid-item img {
	            width: 100%;
	            display: block;
	            height: auto;
	        }
	        
	        .image-info {
	            padding: 15px;
	        }
	        
	        .tags {
	            display: flex;
	            flex-wrap: wrap;
	            gap: 8px;
	            margin-bottom: 12px;
	        }
	        
	        .tag {
	            background: #e0e7ff;
	            color: #4f46e5;
	            padding: 5px 12px;
	            border-radius: 20px;
	            font-size: 13px;
	            font-weight: 500;
	        }
	        
	        .upload-time {
	            font-size: 13px;
	            color: #6b7280;
	            display: flex;
	            align-items: center;
	            gap: 5px;
	        }
	        
	        /* 上传表单样式 */
	        .upload-form {
	            background: #f9fafb;
	            border-radius: 15px;
	            padding: 25px;
	            margin-top: 30px;
	            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
	        }
	        
	        .upload-form h3 {
	            margin-bottom: 20px;
	            color: #2c3e50;
	            display: flex;
	            align-items: center;
	            gap: 10px;
	        }
	        
	        .form-group {
	            margin-bottom: 20px;
	        }
	        
	        .form-group label {
	            display: block;
	            margin-bottom: 8px;
	            font-weight: 600;
	            color: #4b5563;
	        }
	        
	        .form-group input, .form-group textarea {
	            width: 100%;
	            padding: 12px 15px;
	            border: 1px solid #e5e7eb;
	            border-radius: 10px;
	            font-size: 16px;
	            transition: all 0.3s ease;
	        }
	        
	        .form-group input:focus, .form-group textarea:focus {
	            outline: none;
	            border-color: #4f46e5;
	            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
	        }
	        
	        .form-group textarea {
	            height: 100px;
	            resize: vertical;
	        }
	        
	        .submit-btn {
	            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
	            color: white;
	            border: none;
	            padding: 12px 25px;
	            border-radius: 10px;
	            font-size: 16px;
	            font-weight: 600;
	            cursor: pointer;
	            transition: all 0.3s ease;
	        }
	        
	        .submit-btn:hover {
	            transform: translateY(-3px);
	            box-shadow: 0 7px 15px rgba(37, 117, 252, 0.4);
	        }
	        
	        /* 响应式设计 */
	        @media (max-width: 1200px) {
	            .grid-sizer, .grid-item {
	                width: calc(33.333% - 20px);
	            }
	        }
	        
	        @media (max-width: 900px) {
	            .top-section {
	                flex-direction: column;
	            }
	            
	            .leftimg {
	                width: 100%;
	                flex-direction: row;
	            }
	            
	            .welcome {
	                flex: 1;
	                height: 250px;
	            }
	            
	            .le {
	                flex-direction: column;
	                flex: 1;
	            }
	            
	            .grid-sizer, .grid-item {
	                width: calc(50% - 20px);
	            }
	        }
	        
	        @media (max-width: 600px) {
	            .grid-sizer, .grid-item {
	                width: calc(100% - 20px);
	            }
	            
	            .le {
	                flex-direction: row;
	            }
	        }