/* 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 100px;
            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,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        #yk-portal-v2 .yk-legacy-tool .hero-banner .container {
            position: relative;
            z-index: 1;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        #yk-portal-v2 .yk-legacy-tool .hero-subtitle {
            font-size: 1.25rem;
            color: rgba(255,255,255,0.85);
            max-width: 700px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        #yk-portal-v2 .yk-legacy-tool .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
        }
        
        /* 内容区域通用样式 */
        #yk-portal-v2 .yk-legacy-tool .section-padding {
            padding: 80px 0;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 15px;
            position: relative;
        }
        #yk-portal-v2 .yk-legacy-tool .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #2563eb, #3b82f6);
            margin-top: 15px;
            border-radius: 2px;
        }
        #yk-portal-v2 .yk-legacy-tool .section-desc {
            color: #666;
            font-size: 1.1rem;
            margin-bottom: 40px;
        }
        
        /* 需求痛点区域 */
        #yk-portal-v2 .yk-legacy-tool .pain-section {
            background: #f8fafc;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.1);
        }
        #yk-portal-v2 .yk-legacy-tool .pain-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #fee2e2, #fecaca);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-icon i {
            font-size: 1.5rem;
            color: #dc2626;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 12px;
        }
        #yk-portal-v2 .yk-legacy-tool .pain-card p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
        
        /* 功能特点区域 */
        #yk-portal-v2 .yk-legacy-tool .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 35px 30px;
            height: 100%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
            text-align: center;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(37,99,235,0.15);
            border-color: #3b82f6;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #dbeafe, #bfdbfe);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-icon i {
            font-size: 2rem;
            color: #2563eb;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .feature-card p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
        
        /* 应用场景区域 */
        #yk-portal-v2 .yk-legacy-tool .scenario-section {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-card:hover {
            transform: scale(1.02);
            box-shadow: 0 12px 40px rgba(0,0,0,0.1);
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-badge {
            display: inline-block;
            background: linear-gradient(135deg, #2563eb, #3b82f6);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 12px;
        }
        #yk-portal-v2 .yk-legacy-tool .scenario-card p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
        
        /* 使用说明区域 */
        #yk-portal-v2 .yk-legacy-tool .guide-section {
            background: #fff;
        }
        #yk-portal-v2 .yk-legacy-tool .step-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
            padding: 25px;
            background: #f8fafc;
            border-radius: 12px;
            transition: all 0.3s ease;
        }
        #yk-portal-v2 .yk-legacy-tool .step-item:hover {
            background: #f0f9ff;
        }
        #yk-portal-v2 .yk-legacy-tool .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #2563eb, #3b82f6);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .step-content h5 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 8px;
        }
        #yk-portal-v2 .yk-legacy-tool .step-content p {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
        
        /* FAQ区域 */
        #yk-portal-v2 .yk-legacy-tool .faq-section {
            background: #f8fafc;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-item {
            background: #fff;
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
            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: #f8fafc;
        }
        #yk-portal-v2 .yk-legacy-tool .faq-question h5 {
            margin: 0;
            font-size: 1rem;
            font-weight: 600;
            color: #1a1a2e;
        }
        #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: #64748b;
            font-size: 0.95rem;
            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 50%, #0f3460 100%);
            padding: 80px 0;
            position: relative;
        }
        #yk-portal-v2 .yk-legacy-tool .download-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        #yk-portal-v2 .yk-legacy-tool .download-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 50px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.1);
            position: relative;
            z-index: 1;
        }
        #yk-portal-v2 .yk-legacy-tool .download-card h3 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        #yk-portal-v2 .yk-legacy-tool .download-card p {
            color: rgba(255,255,255,0.8);
            font-size: 1rem;
            margin-bottom: 30px;
        }
        #yk-portal-v2 .yk-legacy-tool .download-btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: linear-gradient(135deg, #2563eb, #3b82f6);
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            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 {
            font-size: 1.3rem;
        }
        #yk-portal-v2 .yk-legacy-tool .system-req {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            margin-top: 20px;
        }
        #yk-portal-v2 .yk-legacy-tool .system-req i {
            margin-right: 5px;
        }
        
        /* 截图展示 */
        #yk-portal-v2 .yk-legacy-tool .screenshot-wrapper {
            margin-top: 60px;
            text-align: center;
        }
        #yk-portal-v2 .yk-legacy-tool .screenshot-wrapper img {
            max-width: 100%;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            #yk-portal-v2 .yk-legacy-tool .hero-banner {
                padding: 140px 0 80px;
            }
            #yk-portal-v2 .yk-legacy-tool .hero-title {
                font-size: 2rem;
            }
            #yk-portal-v2 .yk-legacy-tool .hero-subtitle {
                font-size: 1rem;
            }
            #yk-portal-v2 .yk-legacy-tool .section-padding {
                padding: 60px 0;
            }
            #yk-portal-v2 .yk-legacy-tool .section-title {
                font-size: 1.6rem;
            }
            #yk-portal-v2 .yk-legacy-tool .download-card {
                padding: 30px 20px;
            }
        }