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

    #yk-portal-v2 .yk-legacy-tool {
        --primary-color: #0d6efd;
        --secondary-color: #6c757d;
        --background-color: #f8f9fa;
        --text-color: #343a40;
        --card-bg: #ffffff;
        --shadow-color: rgba(0, 0, 0, 0.075);
    }

    #yk-portal-v2 .yk-legacy-tool .banner {
        background: linear-gradient(135deg, #2c3e50, #4a69bd);
        color: white;
        padding: 80px 0;
        text-align: center;
    }

    #yk-portal-v2 .yk-legacy-tool .banner h1 {
        font-size: 3.5rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

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

    #yk-portal-v2 .yk-legacy-tool .section {
        padding: 60px 0;
    }

    #yk-portal-v2 .yk-legacy-tool .section-title {
        text-align: center;
        margin-bottom: 50px;
        font-size: 2.5rem;
        font-weight: 600;
        color: var(--text-color);
        position: relative;
    }

    #yk-portal-v2 .yk-legacy-tool .section-title::after {
        content: '';
        width: 80px;
        height: 4px;
        background: var(--primary-color);
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 2px;
    }

    #yk-portal-v2 .yk-legacy-tool .pain-point-card {
        background: var(--card-bg);
        border-radius: 15px;
        padding: 30px;
        text-align: center;
        box-shadow: 0 4px 20px var(--shadow-color);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: 100%;
    }

    #yk-portal-v2 .yk-legacy-tool .pain-point-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    }

    #yk-portal-v2 .yk-legacy-tool .pain-point-card .icon {
        font-size: 3rem;
        color: var(--primary-color);
        margin-bottom: 20px;
    }

    #yk-portal-v2 .yk-legacy-tool .feature-card {
        display: flex;
        align-items: flex-start;
        margin-bottom: 30px;
    }

    #yk-portal-v2 .yk-legacy-tool .feature-card .icon {
        font-size: 2.5rem;
        color: var(--primary-color);
        margin-right: 20px;
        min-width: 50px;
        text-align: center;
    }

    #yk-portal-v2 .yk-legacy-tool .feature-card-content h5 {
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 10px;
    }

    #yk-portal-v2 .yk-legacy-tool .feature-card-content p {
        color: var(--secondary-color);
    }

    #yk-portal-v2 .yk-legacy-tool .scene-card {
        background: var(--card-bg);
        border: 1px solid #e9ecef;
        border-radius: 10px;
        padding: 25px;
        margin-bottom: 20px;
        transition: all 0.3s ease;
        height: 100%;
    }
    #yk-portal-v2 .yk-legacy-tool .scene-card:hover{
        border-left: 5px solid var(--primary-color);
        transform: translateX(5px);
    }

    #yk-portal-v2 .yk-legacy-tool .scene-card h5 {
        font-weight: 600;
        color: var(--primary-color);
    }

    #yk-portal-v2 .yk-legacy-tool .faq-item .btn-link {
        width: 100%;
        text-align: left;
        text-decoration: none;
        font-weight: 500;
        color: var(--text-color);
        font-size: 1.1rem;
    }
    
    #yk-portal-v2 .yk-legacy-tool .faq-item .btn-link:hover {
        color: var(--primary-color);
    }

    #yk-portal-v2 .yk-legacy-tool .faq-item .card-body {
        color: var(--secondary-color);
    }
    
    #yk-portal-v2 .yk-legacy-tool .download-section {
        background-color: #e9ecef;
        padding: 60px 0;
        text-align: center;
    }

    #yk-portal-v2 .yk-legacy-tool .download-btn {
        font-size: 1.5rem;
        padding: 15px 40px;
        border-radius: 50px;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(13, 110, 253, 0.4);
    }
    #yk-portal-v2 .yk-legacy-tool .download-btn:hover {
         transform: translateY(-3px);
         box-shadow: 0 8px 25px rgba(13, 110, 253, 0.5);
    }

    #yk-portal-v2 .yk-legacy-tool .os-support {
        margin-top: 15px;
        color: var(--secondary-color);
    }

    #yk-portal-v2 .yk-legacy-tool #main-screenshot {
        max-width: 100%;
        border-radius: 15px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    }