/* 页头与引导区 */
    .page-header {
        text-align: center;
        padding: 4rem 1rem;
        margin-bottom: 3rem;
        background: linear-gradient(135deg, #0f2d4e 0%, #1a3d6c 100%);
        border-radius: 12px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: white;
    }
    .header-content {
        max-width: 900px;
        width: 100%;
    }
    .page-header h1 {
        font-size: 2.8rem;
        color: white;
        margin-bottom: 1.5rem;
        line-height: 1.2;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    .header-description {
        margin: 0 auto 2rem;
        max-width: 800px;
    }
    .page-header p {
        font-size: 1.2rem;
        color: rgba(255, 255, 255, 0.9);
        line-height: 1.7;
    }
    .consultation-cta {
        display: inline-block;
        background-color: #4CAF50;
        color: white;
        padding: 16px 36px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1rem;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
        border: 2px solid #4CAF50;
    }
    .consultation-cta:hover {
        background-color: transparent;
        color: #4CAF50;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
    }

    /* 治疗设备列表 - 单列布局 */
    .treatment-list {
        margin-top: 40px;
    }
    .treatment-item {
        background: white;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.07);
        margin-bottom: 30px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border: 1px solid #eaeaea;
    }
    .treatment-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    }
    .treatment-content {
        display: flex;
        flex-direction: column;
    }
    @media (min-width: 768px) {
        .treatment-content {
            flex-direction: row;
        }
    }
    .treatment-image {
        flex: 0 0 300px;
        width: 100%;
        height: 300px;
        overflow: hidden;
        background-color: #f8fafc;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    @media (min-width: 768px) {
        .treatment-image {
            width: 300px;
            height: 300px;
        }
    }
    .treatment-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .treatment-item:hover .treatment-image img {
        transform: scale(1.05);
    }
    .treatment-details {
        flex: 1;
        padding: 30px;
        display: flex;
        flex-direction: column;
    }
    .treatment-header {
        margin-bottom: 20px;
        border-bottom: 1px solid #eee;
        padding-bottom: 15px;
    }
    .treatment-tag {
        display: inline-block;
        background-color: #e8f4ff;
        color: #2196F3;
        padding: 5px 12px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 10px;
    }
    .treatment-header h2 {
        color: #1a2b4c;
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    .treatment-header h3 {
        color: #5a6c7d;
        font-size: 1.2rem;
        font-weight: 500;
    }
    .treatment-body {
        flex-grow: 1;
    }
    .treatment-body p {
        color: #4a5568;
        margin-bottom: 20px;
        font-size: 1.05rem;
        line-height: 1.7;
    }
    .treatment-suitability {
        background-color: #f8fafc;
        padding: 15px;
        border-radius: 10px;
        margin-bottom: 25px;
        border-left: 4px solid #2196F3;
    }
    .treatment-suitability strong {
        color: #2d3748;
        display: block;
        margin-bottom: 8px;
        font-size: 0.95rem;
    }
    .treatment-suitability span {
        color: #5a6c7d;
        font-size: 0.95rem;
        line-height: 1.5;
    }
    .product-button {
        display: inline-block;
        background-color: #2196F3;
        color: white;
        text-align: center;
        padding: 14px 28px;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s ease;
        width: 100%;
        max-width: 200px;
    }
    .product-button:hover {
        background-color: #0b7dda;
        box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
        transform: translateY(-2px);
    }

    /* 治疗指南板块 */
    .treatment-guide {
        background-color: #f8fafc;
        border-radius: 16px;
        padding: 50px 30px;
        margin: 60px 0;
        border: 1px solid #e2e8f0;
    }
    .guide-container {
        max-width: 1000px;
        margin: 0 auto;
    }
    .treatment-guide h2 {
        text-align: center;
        color: #1a2b4c;
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
    }
    .guide-intro {
        text-align: center;
        color: #5a6c7d;
        font-size: 1.1rem;
        max-width: 800px;
        margin: 0 auto 40px;
        line-height: 1.7;
    }
    .guide-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 25px;
        margin-bottom: 40px;
    }
    .guide-card {
        background: white;
        border-radius: 12px;
        padding: 25px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        transition: transform 0.3s ease;
        border-top: 4px solid #2196F3;
    }
    .guide-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }
    .guide-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: #e8f4ff;
        color: #2196F3;
        border-radius: 50%;
        font-weight: bold;
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    .guide-card h3 {
        color: #1a2b4c;
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    .guide-card p {
        color: #5a6c7d;
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 8px;
    }
    .guide-card p strong {
        color: #2d3748;
    }
    .guide-note {
        background-color: white;
        border-left: 4px solid #4CAF50;
        padding: 20px;
        border-radius: 0 8px 8px 0;
        margin-top: 20px;
    }
    .guide-note p {
        color: #5a6c7d;
        line-height: 1.7;
    }
    .guide-note strong {
        color: #1a2b4c;
    }

    /* 常见问题部分 */
    .faq-section {
        margin-top: 60px;
        padding-top: 40px;
        border-top: 1px solid #e2e8f0;
    }
    .faq-container {
        max-width: 900px;
        margin: 0 auto;
    }
    .faq-section h2 {
        text-align: center;
        color: #1a2b4c;
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    .faq-intro {
        text-align: center;
        color: #5a6c7d;
        font-size: 1.1rem;
        margin-bottom: 40px;
        line-height: 1.7;
    }
    .faq-item {
        margin-bottom: 15px;
        border: 1px solid #e2e8f0;
        border-radius: 10px;
        overflow: hidden;
        transition: border-color 0.3s ease;
    }
    .faq-item:hover {
        border-color: #c3dafe;
    }
    .faq-question {
        font-size: 1.2rem;
        font-weight: 600;
        color: #2d3748;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        background-color: #f8fafc;
        transition: background-color 0.3s ease;
    }
    .faq-question:hover {
        background-color: #edf2f7;
    }
    .faq-icon {
        font-size: 1.5rem;
        transition: transform 0.3s ease;
        color: #2196F3;
    }
    .faq-answer {
        color: #5a6c7d;
        padding: 0 20px;
        line-height: 1.7;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    .faq-answer.active {
        padding: 20px;
        max-height: 500px;
    }
    .faq-answer p {
        margin-bottom: 0;
    }

    /* 对比表格部分 */
    .comparison-section {
        background-color: #f0f7ff;
        border-radius: 16px;
        padding: 50px 30px;
        margin: 60px 0;
    }
    .comparison-container {
        max-width: 1100px;
        margin: 0 auto;
    }
    .comparison-section h2 {
        text-align: center;
        color: #1a2b4c;
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    .comparison-intro {
        text-align: center;
        color: #5a6c7d;
        font-size: 1.1rem;
        margin-bottom: 40px;
        line-height: 1.7;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    .comparison-table {
        overflow-x: auto;
        margin-bottom: 30px;
    }
    .comparison-table table {
        width: 100%;
        border-collapse: collapse;
        background: white;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }
    .comparison-table th {
        background-color: #2196F3;
        color: white;
        padding: 18px 15px;
        text-align: left;
        font-weight: 600;
        font-size: 1rem;
    }
    .comparison-table td {
        padding: 15px;
        border-bottom: 1px solid #e2e8f0;
        color: #5a6c7d;
    }
    .comparison-table tr:last-child td {
        border-bottom: none;
    }
    .comparison-table tr:nth-child(even) {
        background-color: #f8fafc;
    }
    .comparison-table tr:hover {
        background-color: #f0f7ff;
    }
    .comparison-table td strong {
        color: #1a2b4c;
    }
    .comparison-note {
        background-color: white;
        border-left: 4px solid #4CAF50;
        padding: 20px;
        border-radius: 0 8px 8px 0;
        font-size: 0.95rem;
    }
    .comparison-note p {
        color: #5a6c7d;
        line-height: 1.7;
        margin-bottom: 0;
    }
    .comparison-note strong {
        color: #1a2b4c;
    }

    /* 修改后的咨询板块 */
    .consultation-section {
        background: linear-gradient(135deg, #1a2b4c 0%, #2d3b5e 100%);
        border-radius: 16px;
        padding: 60px 30px;
        margin-top: 60px;
        text-align: center;
        color: white;
    }
    .consultation-container {
        max-width: 800px;
        margin: 0 auto;
    }
    .consultation-section h2 {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
        color: white;
    }
    .consultation-section p {
        font-size: 1.1rem;
        line-height: 1.7;
        margin-bottom: 30px;
        opacity: 0.9;
    }
    .consultation-options {
        display: flex;
        justify-content: center;
        margin-bottom: 40px;
    }
    .consultation-btn {
        display: inline-block;
        padding: 18px 42px;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1.1rem;
        transition: all 0.3s ease;
        min-width: 300px;
    }
    .consultation-btn.primary {
        background-color: #4CAF50;
        color: white;
        box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    }
    .consultation-btn.primary:hover {
        background-color: #3d8b40;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    }

    /* 新增：内部链接区域 */
    .internal-links-section {
        margin-top: 40px;
        padding-top: 40px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    .internal-links-section h3 {
        font-size: 1.6rem;
        margin-bottom: 25px;
        color: white;
    }
    .internal-links-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 600px;
        margin: 0 auto;
    }
    @media (min-width: 768px) {
        .internal-links-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    .internal-link {
        display: block;
        padding: 12px 20px;
        background-color: rgba(255, 255, 255, 0.1);
        color: white;
        text-decoration: none;
        border-radius: 6px;
        text-align: center;
        transition: all 0.3s ease;
        font-size: 0.95rem;
    }
    .internal-link:hover {
        background-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .page-header {
            padding: 3rem 1rem;
        }
        .page-header h1 {
            font-size: 2.2rem;
        }
        .page-header p {
            font-size: 1.1rem;
        }
        .treatment-image {
            height: 250px;
        }
        .treatment-details {
            padding: 20px;
        }
        .treatment-header h2 {
            font-size: 1.6rem;
        }
        .consultation-options {
            flex-direction: column;
            align-items: center;
        }
        .consultation-btn {
            width: 100%;
            max-width: 300px;
            min-width: unset;
        }
        .guide-grid {
            grid-template-columns: 1fr;
        }
        .comparison-table {
            font-size: 0.9rem;
        }
        .comparison-table th, 
        .comparison-table td {
            padding: 12px 10px;
        }
        .internal-links-grid {
            grid-template-columns: 1fr;
        }
    }
    
    @media (max-width: 480px) {
        .treatment-content {
            flex-direction: column;
        }
        .treatment-image {
            width: 100%;
            height: 250px;
        }
    }