/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    background-color: #2c3e50;
    padding: 0.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    height: 50px;
}

.logo img {
    height: 100%;
    width: auto;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: #34495e;
}

/* 特点部分样式 */
.features {
    padding: 6rem 5% 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    background-color: #f8f9fa;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* 服务部分样式 */
.services {
    padding: 3rem 5%;
    background-color: #f8f9fa;
}

.services h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.service-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(250px, 1fr)) !important;
    gap: 2rem !important;
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
}

.service-item {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.3s ease;
}

.service-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    border: 1px solid #e1e8ed;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-item:hover .service-content {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-color: #3498db;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: transform 0.3s;
}

.icon-circle i {
    font-size: 2rem;
    color: white;
}

.service-item:hover .icon-circle {
    transform: scale(1.1);
}

.service-item h3 {
    color: #333;
    margin: 1rem 0;
    font-size: 1.2rem;
}

.service-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .service-content {
        padding: 1.5rem;
    }
}

/* 订阅部分样式 */
.subscribe {
    background-color: #34495e;
    color: white;
    padding: 3rem 5%;
    text-align: center;
}

.subscribe h2 {
    margin-bottom: 2rem;
}

.subscribe-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-form input {
    padding: 0.8rem;
    border: none;
    border-radius: 4px;
    width: 100%;
    max-width: 400px;
}

.subscribe-form button {
    padding: 0.8rem 2rem;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.subscribe-form button:hover {
    background-color: #c0392b;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 5%;
}

/* SMB服务详细功能列表样式 */
.smb-services {
    padding: 3rem 5%;
    background-color: #f8f9fa;
}

.smb-services h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.service-list {
    max-width: 1000px;
    margin: 0 auto 1.5rem;
}

.service-item-detailed {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.service-item-detailed:hover {
    transform: translateY(-5px);
}

.service-item-detailed h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.service-item-detailed p {
    color: #666;
    line-height: 1.6;
}

/* 成功案例部分样式 */
.success-cases {
    padding: 4rem 5%;
    background-color: #2c3e50;
    color: white;
    text-align: center;
}

.success-cases h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
    color: white;
}

.section-desc {
    color: #95a5a6;
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.case-item {
    text-align: center;
}

.case-icon {
    width: 64px;
    height: 64px;
    background-color: transparent;
    border: 2px solid #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: transform 0.3s;
}

.case-icon i {
    font-size: 1.5rem;
    color: #e74c3c;
}

.case-item:hover .case-icon {
    transform: scale(1.1);
    background-color: #e74c3c;
}

.case-item:hover .case-icon i {
    color: white;
}

.case-item p {
    color: white;
    font-size: 1rem;
    line-height: 1.4;
}

.case-content {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 2rem;
}

.case-text {
    text-align: left;
    margin-bottom: 2rem;
    padding: 1rem;
    border-radius: 4px;
}

.case-text:last-child {
    margin-bottom: 0;
}

.case-text h3 {
    color: #e74c3c;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.case-text p {
    color: #95a5a6;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.case-link {
    display: inline-block;
    color: #e74c3c;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.case-link:hover {
    color: #c0392b;
}

/* 圆形图标样式 */
.icon-circle {
    width: 80px;
    height: 80px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: transform 0.3s;
}

.icon-circle i {
    font-size: 2rem;
    color: white;
}

.service-item:hover .icon-circle {
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        margin-top: 1rem;
    }

    .nav-links a {
        margin: 0.5rem;
        display: inline-block;
    }

    .subscribe-form {
        flex-direction: column;
        padding: 0 1rem;
    }

    .subscribe-form button {
        width: 100%;
    }

    .case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .success-cases h2 {
        font-size: 2rem;
    }

    .case-content {
        padding: 1rem;
    }

    .case-text {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
}

/* SMB介绍部分样式 */
.smb-intro {
    padding: 4rem 5%;
    background-color: #f8f9fa;
}

.smb-intro h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

.smb-intro h3 {
    text-align: center;
    color: #2c3e50;
    margin: 2rem 0;
    font-size: 1.8rem;
}

.smb-overview {
    max-width: 800px;
    margin: 0 auto 2rem;
    text-align: center;
    line-height: 1.6;
    color: #666;
}

.smb-features {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.smb-feature-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    text-align: center;
}

.smb-feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.smb-feature-item h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.smb-feature-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .smb-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .smb-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 0 1rem;
    }

    .smb-intro h2 {
        font-size: 1.8rem;
    }

    .smb-intro h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .smb-features {
        grid-template-columns: 1fr;
    }
}

/* SMB服务分级样式 */
.smb-levels {
    padding: 4rem 5%;
    background-color: #fff;
}

.smb-levels h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2.2rem;
}

.level-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.level-card {
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.level-card:hover {
    transform: translateY(-5px);
}

.level-header {
    background: #3498db;
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.level-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.level-target {
    font-size: 1.1rem;
    opacity: 0.9;
}

.level-content {
    padding: 2rem;
}

.level-desc, .level-services {
    margin-bottom: 2rem;
}

.level-desc h4, .level-services h4, .level-details h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.level-desc p {
    color: #666;
    line-height: 1.6;
}

.level-services ul {
    list-style: none;
    padding: 0;
}

.level-services li {
    color: #666;
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.level-services li:before {
    content: "•";
    color: #3498db;
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    line-height: 1;
}

/* 新增：详细工作内容样式 */
.level-details {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e1e8ed;
}

.detail-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.detail-item h5 {
    color: #3498db;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.detail-item ul {
    list-style: none;
    padding: 0;
}

.detail-item li {
    color: #666;
    padding: 0.4rem 0;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.2rem;
}

.detail-item li:before {
    content: "→";
    color: #3498db;
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .level-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .level-grid {
        grid-template-columns: 1fr;
    }

    .smb-levels h2 {
        font-size: 1.8rem;
    }

    .level-header h3 {
        font-size: 1.5rem;
    }

    .level-content {
        padding: 1.5rem;
    }

    .detail-item {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .level-content {
        padding: 1rem;
    }

    .detail-item {
        margin-bottom: 1rem;
    }

    .detail-item h5 {
        font-size: 1rem;
    }

    .detail-item li {
        font-size: 0.9rem;
    }
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #1a237e, #0d47a1);
    color: white;
    padding: 100px 20px 60px;
    text-align: center;
    margin-top: 60px;
}

.page-header h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 1.2em;
    opacity: 0.9;
}

/* 服务内容样式 */
.service-content {
    padding: 60px 20px;
    background-color: #f5f5f5;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: #1a237e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-card h2 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.5em;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-link {
    display: inline-block;
    padding: 10px 20px;
    background: #1a237e;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.service-link:hover {
    background: #0d47a1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2em;
    }
    
    .page-header p {
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 24px;
    }
}

/* 评估内容样式 */
.assessment-content {
    padding: 60px 20px;
    background-color: #f5f5f5;
}

.assessment-section {
    max-width: 1200px;
    margin: 0 auto 60px;
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.section-icon {
    width: 60px;
    height: 60px;
    background: #1a237e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.section-icon i {
    font-size: 24px;
    color: white;
}

.section-header h2 {
    color: #1a237e;
    font-size: 1.8em;
    margin: 0;
}

.section-content {
    color: #666;
    line-height: 1.6;
}

.section-content p {
    margin-bottom: 30px;
}

/* 优势卡片网格 */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.benefit-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card i {
    font-size: 32px;
    color: #1a237e;
    margin-bottom: 20px;
}

.benefit-card h3 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.benefit-card p {
    color: #666;
    margin: 0;
}

/* 流程网格 */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.process-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    position: relative;
    transition: transform 0.3s ease;
}

.process-card:hover {
    transform: translateY(-5px);
}

.process-number {
    width: 40px;
    height: 40px;
    background: #1a237e;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    font-weight: bold;
    margin-bottom: 20px;
}

.process-card h3 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.process-card p {
    color: #666;
    margin-bottom: 20px;
}

.process-card ul {
    list-style: none;
    padding: 0;
}

.process-card li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.process-card li:before {
    content: "•";
    color: #1a237e;
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .assessment-section {
        padding: 30px;
    }
    
    .benefits-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-icon {
        margin: 0 0 15px 0;
    }
}

@media (max-width: 480px) {
    .assessment-section {
        padding: 20px;
    }
    
    .section-icon {
        width: 50px;
        height: 50px;
    }
    
    .section-icon i {
        font-size: 20px;
    }
    
    .section-header h2 {
        font-size: 1.5em;
    }
}

/* 战略内容样式 */
.strategy-content {
    padding: 60px 20px;
    background-color: #f5f5f5;
}

.strategy-section {
    max-width: 1200px;
    margin: 0 auto 60px;
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 战略卡片网格 */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.strategy-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.strategy-card:hover {
    transform: translateY(-5px);
}

.strategy-card i {
    font-size: 32px;
    color: #1a237e;
    margin-bottom: 20px;
}

.strategy-card h3 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.strategy-card p {
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .strategy-section {
        padding: 30px;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-icon {
        margin: 0 0 15px 0;
    }
}

@media (max-width: 480px) {
    .strategy-section {
        padding: 20px;
    }
    
    .section-icon {
        width: 50px;
        height: 50px;
    }
    
    .section-icon i {
        font-size: 20px;
    }
    
    .section-header h2 {
        font-size: 1.5em;
    }
    
    .strategy-card {
        padding: 20px;
    }
    
    .strategy-card i {
        font-size: 24px;
    }
    
    .strategy-card h3 {
        font-size: 1.2em;
    }
}

/* 最佳实践内容样式 */
.best-practices-content {
    padding: 60px 20px;
    background-color: #f5f5f5;
}

.framework-section {
    max-width: 1200px;
    margin: 0 auto 60px;
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 框架卡片网格 */
.framework-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.framework-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.framework-card:hover {
    transform: translateY(-5px);
}

.framework-icon {
    width: 80px;
    height: 80px;
    background: #1a237e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.framework-icon i {
    font-size: 2rem;
    color: white;
}

.framework-card h3 {
    color: #1a237e;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.framework-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

@media (max-width: 1200px) {
    .framework-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .framework-grid {
        grid-template-columns: 1fr;
    }
    
    .framework-card {
        padding: 1.5rem;
    }
}

/* 优化卡片网格 */
.optimization-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.optimization-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.optimization-card:hover {
    transform: translateY(-5px);
}

.optimization-card i {
    font-size: 32px;
    color: #1a237e;
    margin-bottom: 20px;
}

.optimization-card h3 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.optimization-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.optimization-card ul {
    list-style: none;
    padding: 0;
}

.optimization-card li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.optimization-card li:before {
    content: "•";
    color: #1a237e;
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .optimization-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .optimization-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-icon {
        margin: 0 0 15px 0;
    }
}

@media (max-width: 480px) {
    .optimization-grid {
        grid-template-columns: 1fr;
    }
    
    .section-icon {
        width: 50px;
        height: 50px;
    }
    
    .section-icon i {
        font-size: 20px;
    }
    
    .section-header h2 {
        font-size: 1.5em;
    }
    
    .optimization-card {
        padding: 20px;
    }
    
    .optimization-card i {
        font-size: 24px;
    }
    
    .optimization-card h3 {
        font-size: 1.2em;
    }
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-block;
    margin-left: 2rem;
}

.dropdown-toggle {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
    cursor: pointer;
}

.dropdown-toggle:hover {
    background-color: #34495e;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background-color: #2c3e50;
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
    top: 100%;
    left: 0;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

.dropdown-menu a:hover {
    background-color: #34495e;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dropdown {
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .dropdown-toggle {
        display: block;
        text-align: center;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background-color: #34495e;
    }
    
    .dropdown-menu a {
        text-align: center;
        padding: 0.8rem;
    }
}

/* 成功案例内容样式 */
.success-cases-content {
    padding: 60px 20px;
    background-color: #f5f5f5;
}

.case-section {
    max-width: 1200px;
    margin: 0 auto 60px;
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #1a237e;
}

.case-icon {
    width: 60px;
    height: 60px;
    background: #1a237e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.case-icon i {
    font-size: 24px;
    color: white;
}

.case-header h2 {
    color: #1a237e;
    font-size: 1.8em;
    margin: 0;
}

.case-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-overview,
.case-challenges,
.case-solution,
.case-results {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.case-overview h3,
.case-challenges h3,
.case-solution h3,
.case-results h3 {
    color: #1a237e;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.case-overview p {
    color: #666;
    line-height: 1.6;
}

.case-challenges ul,
.case-solution ul,
.case-results ul {
    list-style: none;
    padding: 0;
}

.case-challenges li,
.case-solution li,
.case-results li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.case-challenges li:before,
.case-solution li:before,
.case-results li:before {
    content: "•";
    color: #1a237e;
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .case-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .case-section {
        padding: 30px;
    }
    
    .case-header {
        flex-direction: column;
        text-align: center;
    }
    
    .case-icon {
        margin: 0 0 15px 0;
    }
    
    .case-header h2 {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .case-section {
        padding: 20px;
    }
    
    .case-icon {
        width: 50px;
        height: 50px;
    }
    
    .case-icon i {
        font-size: 20px;
    }
    
    .case-overview,
    .case-challenges,
    .case-solution,
    .case-results {
        padding: 15px;
    }
    
    .case-overview h3,
    .case-challenges h3,
    .case-solution h3,
    .case-results h3 {
        font-size: 1.2em;
    }
}

/* 工作说明书表格样式 */
.sow-table {
    width: 100%;
    overflow-x: auto;
    margin: 2rem 0;
}

.sow-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.sow-table th,
.sow-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.sow-table th {
    background-color: #1a237e;
    color: white;
    font-weight: 500;
}

.sow-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.sow-table tr:hover {
    background-color: #f0f4f8;
}

.sow-table ul {
    margin: 0;
    padding-left: 1.5rem;
}

.sow-table li {
    margin: 0.5rem 0;
    color: #666;
}

@media (max-width: 768px) {
    .sow-table {
        margin: 1rem -1rem;
    }
    
    .sow-table th,
    .sow-table td {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}

/* 关于我们部分样式 - 增强版 */
.about-us {
    padding: 4rem 5%;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.about-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #1a237e, #42a5f5, #1a237e);
    animation: gradientBorder 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientBorder {
    0% {background-position: 0% 50%}
    50% {background-position: 100% 50%}
    100% {background-position: 0% 50%}
}

.about-us h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.about-us h2::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: #1a237e;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.about-us:hover h2::after {
    width: 100px;
}

.about-us .subtitle {
    text-align: center;
    color: #95a5a6;
    margin-bottom: 3rem;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.about-content {
    display: flex;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 2rem;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-image {
    flex: 1;
    max-width: 45%;
    overflow: hidden;
    border-radius: 8px;
    border: 5px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    border-radius: 4px;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text {
    flex: 1;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from {opacity: 0; transform: translateY(20px);}
    to {opacity: 1; transform: translateY(0);}
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1rem;
    border-left: 3px solid #1a237e;
}

.about-text p:hover {
    border-left-color: #42a5f5;
}

/* SMB服务详细功能列表 - 增强版 */
.smb-services {
    padding: 4rem 5%;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.smb-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #1a237e, #42a5f5, #1a237e);
    animation: gradientBorder 3s ease infinite;
    background-size: 200% 200%;
}

.smb-services h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.smb-services h2::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: #1a237e;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.smb-services:hover h2::after {
    width: 100px;
}

.service-list {
    max-width: 1200px;
    margin: 0 auto 1.5rem;
}

.service-item-detailed {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-item-detailed::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 5px;
    background-color: #1a237e;
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

.service-item-detailed:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.service-item-detailed:hover::before {
    transform: scaleY(1);
}

.service-item-detailed h3 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
    transition: color 0.3s ease;
}

.service-item-detailed:hover h3 {
    color: #1a237e;
}

.service-item-detailed p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        max-width: 100%;
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .about-us, .smb-services {
        padding: 3rem 5%;
    }
    
    .about-us h2, .smb-services h2 {
        font-size: 1.8rem;
    }
    
    .about-text p {
        font-size: 0.95rem;
    }
    
    .service-item-detailed {
        padding: 1.2rem;
    }
}