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

        /* 页面专用样式 */
        #yk-portal-v2 .yk-legacy-tool .banner-section {
            background: linear-gradient(135deg, #141E30 0%, #243B55 100%);
            color: #ffffff;
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        #yk-portal-v2 .yk-legacy-tool .banner-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: none repeat; /* 假设有一个纹理，或者使用CSS图案 */
            opacity: 0.05;
        }

        #yk-portal-v2 .yk-legacy-tool .banner-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 2px;
        }

        #yk-portal-v2 .yk-legacy-tool .banner-subtitle {
            font-size: 1.5rem;
            font-weight: 300;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto 40px;
        }

        #yk-portal-v2 .yk-legacy-tool .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        #yk-portal-v2 .yk-legacy-tool .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 15px;
        }

        #yk-portal-v2 .yk-legacy-tool .section-title p {
            color: #666;
            font-size: 1.1rem;
        }

        #yk-portal-v2 .yk-legacy-tool .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: #3498db;
            margin: 20px auto 0;
            border-radius: 2px;
        }

        #yk-portal-v2 .yk-legacy-tool .feature-box {
            background: #fff;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            text-align: center;
        }

        #yk-portal-v2 .yk-legacy-tool .feature-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        #yk-portal-v2 .yk-legacy-tool .feature-icon {
            width: 80px;
            height: 80px;
            background: #e8f4fd;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: #3498db;
            font-size: 32px;
        }

        #yk-portal-v2 .yk-legacy-tool .pain-point-section {
            background-color: #f9f9f9;
            padding: 80px 0;
        }

        #yk-portal-v2 .yk-legacy-tool .scenario-section {
            padding: 80px 0;
        }

        #yk-portal-v2 .yk-legacy-tool .scenario-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        #yk-portal-v2 .yk-legacy-tool .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        #yk-portal-v2 .yk-legacy-tool .scenario-card:hover img {
            transform: scale(1.05);
        }

        #yk-portal-v2 .yk-legacy-tool .scenario-body {
            padding: 25px;
            background: #fff;
        }

        #yk-portal-v2 .yk-legacy-tool .usage-step {
            display: flex;
            margin-bottom: 30px;
        }

        #yk-portal-v2 .yk-legacy-tool .step-number {
            width: 50px;
            height: 50px;
            background: #3498db;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            flex-shrink: 0;
            margin-right: 20px;
        }

        #yk-portal-v2 .yk-legacy-tool .step-content h4 {
            margin-bottom: 10px;
            color: #333;
        }

        #yk-portal-v2 .yk-legacy-tool .download-section {
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            color: #fff;
            padding: 80px 0;
            text-align: center;
        }

        #yk-portal-v2 .yk-legacy-tool .btn-download {
            background: #fff;
            color: #3498db;
            padding: 15px 50px;
            font-size: 1.2rem;
            font-weight: bold;
            border-radius: 50px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            display: inline-block;
            margin-top: 20px;
        }

        #yk-portal-v2 .yk-legacy-tool .btn-download:hover {
            background: #f8f9fa;
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.3);
            color: #2980b9;
            text-decoration: none;
        }

        #yk-portal-v2 .yk-legacy-tool .faq-card {
            border: 1px solid #eee;
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-header {
            background: #fff;
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-header h5 {
            margin: 0;
            font-size: 16px;
            color: #333;
        }
        
        #yk-portal-v2 .yk-legacy-tool .faq-body {
            padding: 20px;
            background: #f9f9f9;
            border-top: 1px solid #eee;
            color: #666;
            display: none;
        }

        #yk-portal-v2 .yk-legacy-tool .text-highlight {
            color: #3498db;
            font-weight: bold;
        }
    