/* Original tool presentation, scoped to this detail page. */

        /* Banner 样式 */
        #yk-portal-v2 .yk-legacy-tool .hero-banner {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 180px 0 120px;
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        #yk-portal-v2 .yk-legacy-tool .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        #yk-portal-v2 .yk-legacy-tool .hero-banner .container {
            position: relative;
            z-index: 1;
        }
        
        #yk-portal-v2 .yk-legacy-tool .hero-banner h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        
        #yk-portal-v2 .yk-legacy-tool .hero-banner .subtitle {
            font-size: 1.5rem;
            font-weight: 400;
            opacity: 0.95;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 通用区块样式 */
        #yk-portal-v2 .yk-legacy-tool .section {
            padding: 80px 0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 1rem;
            color: #2d3748;
        }
        
        #yk-portal-v2 .yk-legacy-tool .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: #718096;
            margin-bottom: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* 工具截图展示区域 */
        #yk-portal-v2 .yk-legacy-tool .screenshot-section {
            background: white;
            padding: 80px 0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .screenshot-container {
            max-width: 1000px;
            margin: 0 auto;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
            border: 1px solid #e2e8f0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .screenshot-container img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 痛点描述区域 */
        #yk-portal-v2 .yk-legacy-tool .pain-points {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        
        #yk-portal-v2 .yk-legacy-tool .pain-point-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border-left: 4px solid #667eea;
        }
        
        #yk-portal-v2 .yk-legacy-tool .pain-point-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        
        #yk-portal-v2 .yk-legacy-tool .pain-point-card i {
            color: #667eea;
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        
        #yk-portal-v2 .yk-legacy-tool .pain-point-card h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: #2d3748;
        }
        
        #yk-portal-v2 .yk-legacy-tool .pain-point-card p {
            color: #4a5568;
            line-height: 1.8;
            margin: 0;
        }
        
        /* 功能特点卡片 */
        #yk-portal-v2 .yk-legacy-tool .feature-card {
            background: white;
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            height: 100%;
            border-top: 4px solid transparent;
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
            border-top-color: #667eea;
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            transform: scale(1.1);
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-icon {
            width: 80px;
            height: 80px;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2.5rem;
            color: #667eea;
            border: 2px solid rgba(102, 126, 234, 0.2);
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-card h4 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #2d3748;
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-card p {
            color: #4a5568;
            line-height: 1.8;
            margin: 0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .feature-benefit {
            background: #f7fafc;
            padding: 15px;
            border-radius: 8px;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #2d3748;
            font-weight: 500;
        }
        
        /* 应用场景 */
        #yk-portal-v2 .yk-legacy-tool .scenario-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 25px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            display: flex;
            align-items: flex-start;
        }
        
        #yk-portal-v2 .yk-legacy-tool .scenario-card:hover {
            transform: translateX(10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        
        #yk-portal-v2 .yk-legacy-tool .scenario-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
            font-size: 1.8rem;
            color: white;
        }
        
        #yk-portal-v2 .yk-legacy-tool .scenario-content h5 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: #2d3748;
        }
        
        #yk-portal-v2 .yk-legacy-tool .scenario-content p {
            color: #4a5568;
            line-height: 1.8;
            margin: 0;
        }
        
        /* 使用说明步骤 */
        #yk-portal-v2 .yk-legacy-tool .instruction-steps {
            background: #f7fafc;
        }
        
        #yk-portal-v2 .yk-legacy-tool .step-item {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        #yk-portal-v2 .yk-legacy-tool .step-item:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
        }
        
        #yk-portal-v2 .yk-legacy-tool .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-right: 25px;
            flex-shrink: 0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .step-content h5 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #2d3748;
        }
        
        #yk-portal-v2 .yk-legacy-tool .step-content p {
            color: #4a5568;
            line-height: 1.8;
            margin: 0;
        }
        
        /* FAQ 样式 */
        #yk-portal-v2 .yk-legacy-tool .faq-item {
            background: white;
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-item:hover {
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-question {
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #2d3748;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-question:hover {
            background: #f7fafc;
            color: #667eea;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-question i {
            transition: transform 0.3s ease;
            color: #667eea;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-question.active i {
            transform: rotate(180deg);
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: #4a5568;
            line-height: 1.8;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-answer.show {
            padding: 0 30px 25px;
            max-height: 500px;
        }
        
        /* 下载区域 */
        #yk-portal-v2 .yk-legacy-tool .download-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
        }
        
        #yk-portal-v2 .yk-legacy-tool .download-box {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 50px;
            text-align: center;
            border: 2px solid rgba(255,255,255,0.2);
        }
        
        #yk-portal-v2 .yk-legacy-tool .download-box h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        #yk-portal-v2 .yk-legacy-tool .download-box p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        
        #yk-portal-v2 .yk-legacy-tool .download-btn {
            display: inline-block;
            background: white;
            color: #667eea;
            padding: 18px 50px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        
        #yk-portal-v2 .yk-legacy-tool .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
            color: #667eea;
            text-decoration: none;
        }
        
        #yk-portal-v2 .yk-legacy-tool .system-support {
            margin-top: 1.5rem;
            font-size: 0.95rem;
            opacity: 0.8;
        }
        
        @media (max-width: 768px) {
            #yk-portal-v2 .yk-legacy-tool .hero-banner h1 {
                font-size: 2rem;
            }
            
            #yk-portal-v2 .yk-legacy-tool .hero-banner .subtitle {
                font-size: 1.1rem;
            }
            
            #yk-portal-v2 .yk-legacy-tool .section-title {
                font-size: 1.8rem;
            }
            
            #yk-portal-v2 .yk-legacy-tool .step-item {
                flex-direction: column;
                text-align: center;
            }
            
            #yk-portal-v2 .yk-legacy-tool .step-number {
                margin-right: 0;
                margin-bottom: 20px;
            }
            
            #yk-portal-v2 .yk-legacy-tool .scenario-card {
                flex-direction: column;
                text-align: center;
            }
            
            #yk-portal-v2 .yk-legacy-tool .scenario-icon {
                margin-right: 0;
                margin-bottom: 20px;
            }
        }