/* 主容器样式 */
        .container {
            max-width: 1900px;
            margin: -50 auto;
        }
        
        /* 标题样式 */
        .header {
			color: black;
			font-weight: normal;
            text-align: center;
            margin-bottom: 40px;
			transition: all 0.5s ease;
        }
        .header.dark {
			color: white;
		}

		.shadow {
            background: white;
            border-radius: 8px;
            padding: 300px;
            margin: -10;
            margin-bottom: 30px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transform: scale(1.1);
            opacity: 0;
            animation: scaleIn 1.0 ease forwards;
		}
		
		#shadow-fix {
			position: fixed;  
			top: 100px;     
			left:10px;     
		}

        /* 按钮组样式 */
        .button-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            animation: scaleIn 1.0s ease forwards;
        }
        
        /* 按钮样式 */
        .btn {
			backdrop-filter: blur(var(--glass-blur));
			opacity: var(--btn-o);
			box-shadow: var(--shadow-w-s);
			font-family: 'fillet';
			width:150px;
            background:#D2D1D6;
			color:#000000;
			padding:12px;
			border-radius: 0px;
			border: 2px solid #EEEEEF;
			border-bottom: 4px solid #5A5A5C;
			border-left: 2px solid #E0E0E0;
			border-top: 2px solid #E5E5E7;
			border-right: 2px solid #E5E5E7;
			transition: all 0.05s ease;
			transform: translateY(0px);
			outline: 2px solid #000000;
            font-size: 16px;
            z-index: 1;
        }
        
        .btn:hover {
			backdrop-filter: blur(var(--glass-blur));
			opacity: var(--btn-o);
			box-shadow: none;
			font-family: 'fillet';
			width:150px;
            background:#43942B;
			color:#ffffff;
			padding:10px;
			border-radius: 0px;
			border: 2px solid #599751;
			border-bottom: 2px solid #558547;
			border-left: 2px solid #558547;
			border-top: 2px solid #599751;
			border-right: 2px solid #599751;
			transform: translateY(4px);
			transition: all 0.05s ease;
			outline: 2px solid #000000;
            animation: now-block 0.5s ease forwards;
        }
        
		.btn.hightlight {
			backdrop-filter: blur(var(--glass-blur));
			opacity: var(--btn-o);
			box-shadow: none;
			font-family: 'fillet';
            background-color: #43942B;
            transform: translateY(0px);
            animation: now-block 0.5s ease forwards;
        } 

        /* 内容区块样式 */
        .content-block {
            background: white;
            border-radius: 8px;
            padding: 40px;
            margin: -10px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-b-s);
            transform: scale(1.1);
            opacity: 0;
            animation: scaleIn 1.5s ease forwards;
			transition: all 0.5s ease;
        }
		.content-block.dark {
			background: #171617;
			box-shadow: var(--shadow-w-l);
		}

        /* 内容介绍区域 */
        .content-intro {
			color: block;
			box-shadow: var(--shadow-b-s);
			display: none;
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            margin-top: 10px;
            border-left: 4px solid #4EA1FF;
			transition: all 0.5s ease;
        }
		.content-intro.dark {
			border-left: 4px solid #FEFB41;
			background: #2F2E30;
			box-shadow: var(--shadow-w-l);
			color: white;
		}

		.highlight {
			font-size:16px;
			border:none;
			color:black;
			background:rgba(0,0,0,0.3);
			transition: all 0.5s ease;
		}
		.highlight.dark {
			color:white;
			background:rgba(255,255,255,0.3);
		}


        /* 动画关键帧 */
        @keyframes scaleIn {
            0% {
                transform: scale(1.2);
                opacity: 0;
            }
			50% {
				filter:blur(20px);
                transform: scale(1.2);
                opacity: 0;
            }
            100% {
				filter:blur(0px);
                transform: scale(1);
                opacity: 1;
            }
        }

		
		@keyframes list-intro {
			0% {
				transform: translateX(-100px);;
				opacity: 0;
			}
			50% {
				transform: translateX(-100px);;
				opacity: 0;
			}
			100% {
				transform: translateX(0px);;
				opacity: 1;
             }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .button-group {
                flex-direction: column;
                align-items: center;
            }
            
        }