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

        /* Banner区域 */
        #yk-portal-v2 .yk-legacy-tool .hero-banner {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 160px 0 80px;
            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 xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
            background-size: 50px 50px;
            opacity: 0.5;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
            text-align: center;
            width: 100%;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-subtitle {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.9);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
            text-align: center;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        /* 通用区块样式 */
        #yk-portal-v2 .yk-legacy-tool .section {
            padding: 80px 0;
        }
        #yk-portal-v2 .yk-legacy-tool .section-light {
            background: #f8f9fa;
        }
        #yk-portal-v2 .yk-legacy-tool .section-white {
            background: #fff;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a2e;
            text-align: center;
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .section-desc {
            text-align: center;
            color: #666;
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
            line-height: 1.8;
        }

        /* 痛点需求区域 */
        #yk-portal-v2 .yk-legacy-tool .pain-point-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border-left: 4px solid #e74c3c;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-point-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.12);
        }
        #yk-portal-v2 .yk-legacy-tool .pain-point-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-point-icon i {
            font-size: 1.5rem;
            color: #fff;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-point-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-point-text {
            color: #666;
            line-height: 1.7;
        }

        /* 功能特点区域 */
        #yk-portal-v2 .yk-legacy-tool .feature-card {
            background: #fff;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            height: 100%;
            box-shadow: 0 15px 50px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #2563EB 0%, #1E40AF 100%);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover::before {
            transform: scaleX(1);
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 60px rgba(0,0,0,0.15);
        }
        #yk-portal-v2 .yk-legacy-tool .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            transition: all 0.4s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(5deg);
        }
        #yk-portal-v2 .yk-legacy-tool .feature-icon i {
            font-size: 2rem;
            color: #fff;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-text {
            color: #666;
            line-height: 1.7;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-benefit {
            background: #EFF6FF;
            color: #2563EB;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            display: inline-block;
            margin-top: 15px;
        }

        /* 应用场景区域 */
        #yk-portal-v2 .yk-legacy-tool .scenario-card {
            background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
            border-radius: 20px;
            padding: 35px;
            color: #fff;
            height: 100%;
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-card:hover {
            transform: scale(1.03);
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-icon {
            width: 60px;
            height: 60px;
            background: rgba(255,255,255,0.2);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-icon i {
            font-size: 1.5rem;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-text {
            opacity: 0.9;
            line-height: 1.7;
        }

        /* 使用说明区域 */
        #yk-portal-v2 .yk-legacy-tool .step-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
            padding: 25px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.06);
        }
        #yk-portal-v2 .yk-legacy-tool .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .step-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }
        #yk-portal-v2 .yk-legacy-tool .step-content p {
            color: #666;
            margin: 0;
            line-height: 1.7;
        }
        #yk-portal-v2 .yk-legacy-tool .step-tip {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 15px 20px;
            border-radius: 0 10px 10px 0;
            margin-top: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .step-tip i {
            color: #ffc107;
            margin-right: 8px;
        }

        /* FAQ区域 */
        #yk-portal-v2 .yk-legacy-tool .faq-item {
            background: #fff;
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            overflow: hidden;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-question {
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-question:hover {
            background: #f8f9fa;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-question h5 {
            margin: 0;
            font-size: 1rem;
            font-weight: 600;
            color: #333;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-question i {
            color: #2563EB;
            transition: transform 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        #yk-portal-v2 .yk-legacy-tool .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item.active .faq-answer {
            padding: 0 25px 20px;
            max-height: 500px;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-answer p {
            color: #666;
            line-height: 1.8;
            margin: 0;
        }

        /* 下载区域 */
        #yk-portal-v2 .yk-legacy-tool .download-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 80px 0;
            text-align: center;
        }
        #yk-portal-v2 .yk-legacy-tool .download-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .download-desc {
            color: rgba(255,255,255,0.8);
            margin-bottom: 30px;
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
            color: #fff;
            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(37,99,235,0.4);
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(37,99,235,0.5);
            color: #fff;
            text-decoration: none;
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn i {
            margin-right: 12px;
            font-size: 1.4rem;
        }
        #yk-portal-v2 .yk-legacy-tool .download-info {
            margin-top: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        #yk-portal-v2 .yk-legacy-tool .download-info i {
            margin-right: 5px;
        }

        /* 截图展示 */
        #yk-portal-v2 .yk-legacy-tool .screenshot-wrapper {
            text-align: center;
            margin: 40px 0;
        }
        #yk-portal-v2 .yk-legacy-tool .screenshot-img {
            max-width: 100%;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
        }

        @media (max-width: 768px) {
            #yk-portal-v2 .yk-legacy-tool .hero-title {
                font-size: 2rem;
            }
            #yk-portal-v2 .yk-legacy-tool .hero-subtitle {
                font-size: 1.1rem;
            }
            #yk-portal-v2 .yk-legacy-tool .section {
                padding: 50px 0;
            }
            #yk-portal-v2 .yk-legacy-tool .section-title {
                font-size: 1.6rem;
            }
        }