.container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0px;
        }
       .contop {
            text-align: center;
            padding: 60px 0 60px;
        }

        /* 页面标题 */
        .page-title {
            text-align: center;
            padding: 60px 0 40px;
            color: #1a202c;
        }
        .page-title p{
            font-size: 14px;           
            color: #1a202c;
        }
        .page-title h1{
            font-size: 36px; 
			font-weight: 700;          
            color: #1a202c;
        }

        /* 核心功能区域 */
        .core-features {
            padding: 40px 0;
        }

        /* 功能部分通用样式 */
        .feature-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 60px;
        }

        .feature-content {
            flex: 1;
        }

        .feature-title {
            font-size: 36px;
            font-weight: 700;
            color: #1a202c;
            margin-bottom: 20px;
        }

        .feature-description {
            font-size: 18px;
            color: #4a5568;
            line-height: 1.8;
        }

        .feature-image {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .feature-image  img {
            max-width: 100%;
            height: auto;
        }

    .img-link {
      display: block; /* 关键：转为块级元素 */
      flex: 1;        /* 可选：平分容器宽度（多图时用） */
      height: 100%;   /* 占满容器高度 */
		text-align: center;
    }

    /* 图片样式：铺满链接，保持比例  width: 100%;*/
    .img-link img {
     
      height: 100%;
      object-fit: cover; /* 裁剪多余部分，保持比例 */
      display: block;    /* 消除底部空白 */
      border: none;      /* 去除默认边框 */
    }


        /* 简洁易懂部分 */
        .simple-understandable .feature-image {
/*
            background-color: #f0f4f8;
            border-radius: 16px;
            padding: 20px;
*/     
		background-color: #fff;
		border-radius: 12px;
		padding: 20px;
		box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
		border: 1px solid #e2e8f0;
		display: flex;
		justify-content: center;
		align-items: center;
			
			
			
        }

        /* AI智能体部分 */
        .ai-agent .feature-content {
            text-align: left;
        }

        .ai-images {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .ai-image {
            background-color: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .ai-image:nth-child(3) {
            grid-column: span 2;
        }

        .ai-image img {
            max-width: 100%;
            height: auto;
        }

        

        /* 安全嵌入部分 */
        .safe-integration {
            background-color: #f8fafc;
            padding: 60px 0;
            margin: 80px 0;
        }

        .safe-integration .feature-section {
            margin-bottom: 0;
        }

        .safe-images {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
			 border-radius: 12px;
        }

        .safe-image {
/*
            background-color: #f0f4f8;
            border-radius: 12px;
           padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
			border: 1px solid #e2e8f0;
*/
			
			background-color: #fff;
			border-radius: 12px;
			padding: 20px;
			box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
			border: 1px solid #e2e8f0;
			display: flex;
			justify-content: center;
			align-items: center;
			
        }

        .safe-image:nth-child(1) {
            grid-column: span 2;
        }

        .safe-image img {
            max-width: 100%;
            height: auto;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .feature-section {
                flex-direction: column;
                gap: 40px;
            }

            .ai-images,
            .safe-images {
                grid-template-columns: 1fr;
            }

            .ai-controls {
                flex-direction: column;
                gap: 15px;
            }
        }



/* 导航标签 */
        .navigation-tabs {
            text-align: center;
            margin-bottom: 20px;
            font-size: 14px;
            color: #666;
        }

        .navigation-tabs span {
            margin: 0 10px;
        }

        /* 标题 */
        .main-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 50px;
        }

        /* 功能卡片网格 */
        .features-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
            width: 900px;
            margin: 0 auto;
        }

        /* 行容器 */
        .feature-row {
            display: flex;
            gap: 16px;
        }

        /* 功能卡片 */
        .feature-card {
            background-color: white;
            border-radius: 16px;
            padding: 20px 20px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }

        /* 卡片悬停效果 */
        .feature-card:hover {
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
            transform: translateY(-5px);
        }

        /* 卡片图标 */
        .card-icon {
/*            width: 120px;*/
            height: 180px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .feature-card:hover .card-icon {
            transform: scale(1.05);
        }

        .card-icon img {
            max-width: 100%;
            max-height: 100%;
			margin: 0 auto;
			height: 100%;
        }

        /* 卡片标题 */
        .card-title {
            font-size: 16px;
            font-weight: 600;
            color: #34495e;
            transition: all 0.3s ease;
            position: relative;
            margin-bottom: 8px;
            text-align: left;
        }

        /* 卡片介绍 */
        .card-description {
            font-size: 14px;
            color: #7f8c8d;
            line-height: 1.4;
            text-align: left;
        }

        .feature-card:hover .card-title {
            color: #3498db;
            animation: textPulse 0.5s ease;
        }

        /* 文字动画 */
        @keyframes textPulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        /* 第一行：3张等宽卡片 */
        .feature-row:first-child .feature-card {
            flex: 1;
        }

        /* 第二行：左大右小 */
        .feature-row:nth-child(2) .feature-card:first-child {
            flex: 3;
        }

        .feature-row:nth-child(2) .feature-card:last-child {
            flex: 2;
        }

        /* 第三行：左小右大 */
        .feature-row:nth-child(3) .feature-card:first-child {
            flex: 2;
        }

        .feature-row:nth-child(3) .feature-card:last-child {
            flex: 3;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .feature-row {
                flex-direction: column;
            }

            .feature-row .feature-card {
                flex: 1 !important;
            }

            .main-title {
                font-size: 28px;
            }
        }



/* 标题区域 */
        .blog-header {
            text-align: center;

            margin-bottom: 50px;
         /*   padding-top: 30px;
*/
        }

        .blog-label {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }

        .main-title {
            font-size: 36px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 20px;
        }

        .explore-link {
            display: inline-block;
            font-size: 14px;
            color: #3498db;
            text-decoration: none;
            transition: color 0.3s ease;
			font-weight: bold;
        }

        .explore-link:hover {
            color: #2980b9;
        }

        /* 文章网格布局 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(580px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* 文章卡片样式 */
        .article-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
            display: flex;
            align-items: center;
        }

        /* 鼠标悬停阴影效果 */
        .article-card:hover {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            background-color: #f0f0f0;
            transition: all 0.3s ease;
        }

        /* 文章图片 */
        .article-image {
            width: 160px;
            height: 160px;
/*            background-color: #f0f0f0;*/
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
			
        }

        .article-image img{
            width: 160px;
            height: 160px;
			border-radius: 8px;
        }

        /* 文章内容 */
        .article-content {
            width: 400px;
            padding: 0px 20px;
        }

        .article-title {
            font-size: 24px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 35px;
            line-height: 1.4;
            text-decoration: none;
            display: inline-block;
			text-align: left;
        }

        /* 鼠标移到链接上时，右侧文字背景变灰色 */
        .article-title:hover {
            color: #2c3e50;
        }

        /* 文章元信息 */
        .article-meta {
            display: flex;
            align-items: center;
            font-size: 12px;
            color: #95a5a6;
        }

        .author {
            margin-right: 15px;
        }

        .date {
            margin-right: 15px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .articles-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 20px;
            }

            .main-title {
                font-size: 28px;
            }

            .article-card {
                flex-direction: column;
            }

            .article-image {
                width: 100%;
                height: 200px;
            }

            .article-content {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .articles-grid {
                grid-template-columns: 1fr;
            }

            .main-title {
                font-size: 24px;
            }

            .article-card {
                flex-direction: column;
            }

            .article-image {
                width: 100%;
                height: 180px;
            }

            .article-content {
                width: 100%;
            }
        }


/* 标题区域 */
        .plan-header {
            text-align: center;
            margin-bottom: 30px;
            padding-top: 30px;
        }

        .main-title {
            font-size: 36px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 20px;
        }

        /* 购买选项 */
        .purchase-options {
            text-align: center;
            margin-bottom: 40px;
            background-color: #f0f0f0;
            padding: 5px;
            border-radius: 15px;
            display: inline-block;
        }

        .purchase-options span {
            display: inline-block;
            padding: 4px 30px;
            margin: 0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .purchase-options .active {
            background-color: #fff;
            color: #666;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        /* 折扣文本样式 */
        .discount-text {
            color: #666;
			padding: 4px 5px;
			
        }

        /* 选中年付时，折扣文本变为白色 */
        .purchase-options .active .discount-text {
            color: #666;
        }

        /* 订阅计划容器 */
        .subscription-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 订阅计划卡片 */
        .plan-card {
            background-color: #f5f5f5;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 30px;
            width: 380px;
            text-align: left;
            transition: all 0.3s ease;
        }

        /* 中间计划（专业版）特殊样式 */
        .plan-card.professional {
            border-color: #3f5260;
            border-width: 2px;
            position: relative;
        }

        /* 最受欢迎标签 */
        .popular-tag {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background-color: #3f5260;
            color: white;
            padding: 5px 15px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: bold;
        }

        /* 计划标题 */
        .plan-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #2c3e50;
        }

        /* 计划价格 */
        .plan-price {
            font-size: 32px;
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 0px;
        }
        .annual-price {
            font-size: 32px;
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 0px;
        }
		.annual-price span {
            font-size: 16px;
            color: #666;
            font-weight: normal;
        }
        .plan-price span {
            font-size: 16px;
            color: #666;
            font-weight: normal;
        }

        /* 年付折扣 */
        .annual-discount {
            background-color: #f0f0f0;
            color: #666;
            padding: 0px 10px;
            border-radius: 5px;
            font-size: 14px;
            margin-bottom: 0px;
            display: inline-block;
        }

        /* 购买按钮 */
        .purchase-button {
            display: block;
            width: 100%;
            padding: 12px;
            background-color: #3f5260;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            margin: 20px 0;
            transition: background-color 0.3s ease;
        }

        /* 中间计划按钮特殊样式 */
        .professional .purchase-button {
            background-color: #3f5260;
        }

        .purchase-button:hover {
            opacity: 0.9;
        }

        /* 功能列表 */
        .feature-list {
            list-style: none;
        }

        .feature-list li {
            margin-bottom: 10px;
            padding-left: 25px;
            position: relative;
        }

        .feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #3f5260;
            font-weight: bold;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .subscription-container {
                flex-direction: column;
                align-items: center;
            }

            .plan-card {
                width: 100%;
                max-width: 350px;
            }
        }



       .animation-container {
            position: relative;
            width: 98%;
            height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            background-color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            margin: 20px;
            overflow: hidden;
			margin: 10px auto;
        }

        /* 背景线条动画 */
        .animation-background-lines {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 300px;
            pointer-events: none;
            z-index: 0;
        }

        .animation-line {
            position: absolute;
            width: 2px;
            height: 40px;
            background: linear-gradient(to bottom, transparent, #3f5260, transparent);
            animation: shoot 3s infinite ease-out;
            opacity: 0;
        }

        @keyframes shoot {
            0% {
                transform: translateY(-50px) scaleY(0);
                opacity: 0;
            }
            50% {
                opacity: 0.8;
                transform: translateY(200px) scaleY(1);
            }
            100% {
                transform: translateY(450px) scaleY(0);
                opacity: 0;
            }
        }

        /* 标题样式与动画 */
        .animation-title {
            font-size: 36px;
            font-weight: bold;
            color: #333;
            margin-bottom: 20px;
            z-index: 1;
            position: relative;
            overflow: hidden;
        }

        .animation-title .typing-animation {
            display: inline-block;
            border-right: 2px solid #333;
            animation: typing 3s steps(20, end), blink-caret 0.75s step-end infinite;
            white-space: nowrap;
            overflow: hidden;
        }

        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }

        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: #333; }
        }

        /* 副标题样式 */
        .animation-subtitle {
            font-size: 18px;
            color: #666;
            margin-bottom: 40px;
            z-index: 1;
            position: relative;
            max-width: 800px;
        }

        /* 开始使用按钮 */
        .animation-start-button {
            background-color: #3f5260;
            color: white;
            border: none;
            padding: 12px 30px;
            font-size: 18px;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 1;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
			margin-top: 40px;
        }

        .animation-start-button:hover {
            background-color: #3f5260;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(52, 152, 219, 0.6);
        }

        .animation-start-button svg {
            width: 20px;
            height: 20px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .animation-container {
                margin: 10px;
                padding: 20px;
            }
            
            .animation-title {
                font-size: 28px;
            }
            
            .animation-subtitle {
                font-size: 16px;
            }
            
            .animation-start-button {
                padding: 10px 25px;
                font-size: 16px;
            }
        }