/* single-article 类独立CSS样式 */
        .single-article {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 30px;
            background: linear-gradient(135deg, #ffffff 0%, #fafaf5 100%);
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            position: relative;
            border: 1px solid #e5e7eb;
        }
        
        .single-article::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, #10b981, #34d399, #10b981);
            border-radius: 20px 20px 0 0;
        }
        
        .single-article h1 {
            font-size: 2.8em;
            color: #064e3b;
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 25px;
            border-bottom: 3px solid #d1fae5;
            position: relative;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        
        .single-article h1::after {
            content: '🌿';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: white;
            padding: 0 25px;
            font-size: 1.5em;
        }
        
        .single-article h2 {
            font-size: 2em;
            color: #065f46;
            margin-top: 60px;
            margin-bottom: 30px;
            padding: 20px 0 20px 30px;
            border-left: 6px solid #10b981;
            background: linear-gradient(to right, rgba(16, 185, 129, 0.05), transparent);
            border-radius: 0 15px 15px 0;
            font-weight: 700;
        }
        
        .single-article h3 {
            font-size: 1.6em;
            color: #047857;
            margin-top: 40px;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #d1fae5;
            font-weight: 700;
        }
        
        .single-article p {
            margin-bottom: 25px;
            color: #4b5563;
            font-size: 1.1em;
            line-height: 1.8;
        }
        
        .single-article a {
            text-decoration: underline;
            color: #059669;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2px 6px;
            border-radius: 4px;
            position: relative;
        }
        
        .single-article a:hover {
            color: #047857;
            background: linear-gradient(120deg, rgba(16, 185, 129, 0.1) 0%, transparent 100%);
            text-decoration-thickness: 2px;
        }
        
        .single-article .toc {
            background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
            padding: 35px;
            border-radius: 16px;
            margin-bottom: 45px;
            border: 2px solid #a7f3d0;
            position: relative;
            overflow: hidden;
        }
        
        .single-article .toc::before {
            content: '📋';
            position: absolute;
            top: 25px;
            right: 25px;
            font-size: 3em;
            opacity: 0.1;
        }
        
        .single-article .toc h2 {
            font-size: 1.8em;
            color: #064e3b;
            margin-top: 0;
            border-left: 5px solid #10b981;
            background: none;
            padding: 0 0 25px 0;
        }
        
        .single-article .toc ul {
            list-style-type: none;
            padding-left: 0;
            column-count: 2;
            column-gap: 45px;
        }
        
        .single-article .toc li {
            margin-bottom: 16px;
            padding-left: 38px;
            position: relative;
            break-inside: avoid;
        }
        
        .single-article .toc li:before {
            content: "➤";
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: bold;
            font-size: 1.3em;
            transition: all 0.3s ease;
        }
        
        .single-article .toc li:hover:before {
            transform: translateX(8px);
            color: #047857;
        }
        
        .single-article .toc a {
            color: #065f46;
            text-decoration: none;
            border-bottom: 2px dotted #6ee7b7;
            padding-bottom: 3px;
            transition: all 0.3s ease;
            font-weight: 600;
        }
        
        .single-article .toc a:hover {
            color: #10b981;
            border-bottom: 3px solid #10b981;
        }
        
        .single-article table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 40px 0;
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #d1fae5;
        }
        
        .single-article table th {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
            font-weight: 700;
            padding: 22px 20px;
            text-align: left;
            font-size: 1.1em;
            letter-spacing: 0.5px;
        }
        
        .single-article table td {
            padding: 20px;
            border-bottom: 1px solid #f0fdf4;
            color: #4b5563;
            line-height: 1.6;
            vertical-align: top;
        }
        
        .single-article table tr:nth-child(even) {
            background-color: #f0fdf4;
        }
        
        .single-article table tr:hover {
            background-color: #dcfce7;
            transition: background-color 0.3s ease;
        }
        
        .single-article table tr:last-child td {
            border-bottom: none;
        }
        
        .single-article .step-box {
            background: white;
            border-radius: 16px;
            padding: 30px;
            margin: 35px 0;
            border: 2px solid #d1fae5;
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        
        .single-article .step-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
            border-color: #10b981;
        }
        
        .single-article .step-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 8px;
            height: 100%;
            background: linear-gradient(to bottom, #10b981, #34d399);
        }
        
        .single-article .step-number {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            padding: 12px 24px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.2em;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .single-article .warning-box {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
            border-left: 6px solid #d97706;
            padding: 30px;
            margin: 35px 0;
            border-radius: 0 14px 14px 0;
            position: relative;
            padding-left: 80px;
        }
        
        .single-article .warning-box::before {
            content: "⚠️";
            position: absolute;
            left: 30px;
            top: 30px;
            font-size: 2em;
        }
        
        .single-article .expert-tip {
            background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
            border-left: 6px solid #10b981;
            padding: 30px;
            margin: 35px 0;
            border-radius: 0 14px 14px 0;
            position: relative;
            padding-left: 80px;
        }
        
        .single-article .expert-tip::before {
            content: "💡";
            position: absolute;
            left: 30px;
            top: 30px;
            font-size: 2em;
        }
        
        .single-article .cost-breakdown {
            background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
            border-left: 6px solid #4f46e5;
            padding: 30px;
            margin: 35px 0;
            border-radius: 0 14px 14px 0;
        }
        
        .single-article .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        
        .single-article .comparison-card {
            background: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            border: 2px solid #d1fae5;
            transition: all 0.3s ease;
        }
        
        .single-article .comparison-card:hover {
            border-color: #10b981;
            box-shadow: 0 15px 40px rgba(16, 185, 129, 0.1);
        }
        
        .single-article .faq, .single-article .references, .single-article .spotlight {
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            padding: 40px;
            border-radius: 18px;
            margin-top: 50px;
            border: 2px solid #e2e8f0;
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.05);
        }
        
        .single-article .faq h2, .single-article .references h2, .single-article .spotlight h2 {
            color: #1e293b;
            border-left: 5px solid #10b981;
            background: none;
            padding-left: 25px;
        }
        
        .single-article .spotlight {
            background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
            border-color: #10b981;
            position: relative;
            overflow: hidden;
        }
        
        .single-article .spotlight::before {
            content: '🏭';
            position: absolute;
            top: 30px;
            right: 30px;
            font-size: 3.5em;
            opacity: 0.15;
        }
        
        .single-article .keyword-highlight {
            background: linear-gradient(120deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
            color: #065f46;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 700;
            border-left: 4px solid #10b981;
            margin: 0 4px;
        }
        
        .single-article .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 35px 0;
        }
        
        .single-article .service-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            border: 2px solid #d1fae5;
            transition: all 0.3s ease;
        }
        
        .single-article .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(16, 185, 129, 0.1);
            border-color: #10b981;
        }
        
        .single-article .timeline {
            position: relative;
            padding-left: 40px;
            margin: 30px 0;
        }
        
        .single-article .timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, #10b981, #34d399);
            border-radius: 3px;
        }
        
        .single-article .timeline-item {
            position: relative;
            margin-bottom: 30px;
            padding-bottom: 20px;
        }
        
        .single-article .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 5px;
            width: 15px;
            height: 15px;
            background: #10b981;
            border-radius: 50%;
            border: 3px solid white;
            box-shadow: 0 0 0 3px #d1fae5;
        }
        
        .single-article .checklist {
            margin: 30px 0;
            padding-left: 30px;
        }
        
        .single-article .checklist li {
            margin-bottom: 18px;
            position: relative;
            padding-left: 40px;
            line-height: 1.7;
        }
        
        .single-article .checklist li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: bold;
            font-size: 1.4em;
            background: #d1fae5;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .single-article .stat-badge {
            display: inline-flex;
            align-items: center;
            background: #d1fae5;
            color: #065f46;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 600;
            margin: 5px;
            border: 2px solid #10b981;
        }
        
        @media (max-width: 768px) {
            .single-article {
                padding: 20px;
                border-radius: 16px;
            }
            
            .single-article h1 {
                font-size: 2.2em;
            }
            
            .single-article h2 {
                font-size: 1.7em;
                padding-left: 20px;
            }
            
            .single-article h3 {
                font-size: 1.4em;
            }
            
            .single-article .toc ul {
                column-count: 1;
            }
            
            .single-article .service-grid,
            .single-article .comparison-grid {
                grid-template-columns: 1fr;
            }
            
            .single-article table {
                font-size: 0.9em;
                overflow-x: auto;
                display: block;
            }
        }
        
        .single-article .market-tag {
            display: inline-block;
            background: #dbeafe;
            color: #1e40af;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.9em;
            font-weight: 600;
            margin: 5px;
            border: 1px solid #93c5fd;
        }
        
        .single-article .cost-estimate {
            font-size: 2em;
            font-weight: 800;
            color: #059669;
            margin: 15px 0;
        }
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