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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}



/* 面包屑导航 */
.breadcrumb {
    background-color: #f8f9fa;
    padding: 15px 0;
    margin-top: 65px;
    border-bottom: 1px solid #e9ecef;
    overflow: hidden;
    z-index: 2;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 40px 0;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-logo,
.footer-links {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-logo .logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #ecf0f1;
}

.footer-logo .logo i {
    margin-right: 10px;
    color: #3498db;
}

.footer-logo p {
    font-size: 14px;
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #ecf0f1;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-links a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

.footer-copyright {
    margin-bottom: 10px;
}

.footer-copyright p {
    font-size: 14px;
    color: #bdc3c7;
}

.footer-terms {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-terms a {
    font-size: 13px;
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-terms a:hover {
    color: #3498db;
}

/* 社交媒体样式（如果需要） */
.footer-social h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #ecf0f1;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: #34495e;
    color: #ecf0f1;
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #3498db;
    transform: translateY(-3px);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background-color: #ecf0f1;
    color: #2c3e50;
}

.btn-secondary:hover {
    background-color: #bdc3c7;
    transform: translateY(-2px);
}

/* 首页样式 */
.hero {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.features {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.section-title p {
    font-size: 18px;
    color: #7f8c8d;
    max-width: 700px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-item p {
    color: #7f8c8d;
    font-size: 16px;
}

.how-it-works {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.work-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.work-step {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.work-step::before {
    content: '';
    position: absolute;
    width: 4px;
    background-color: #3498db;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 0;
}

.step-number {
    position: absolute;
    left: -20px;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: #3498db;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    z-index: 1;
}

.step-content {
    padding-left: 40px;
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.step-content p {
    color: #7f8c8d;
    font-size: 16px;
}

.testimonials {
    padding: 80px 0;
    background-color: #fff;
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    text-align: center;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.testimonial-text {
    font-size: 18px;
    font-style: italic;
    color: #555;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-right: 20px;
    object-fit: cover;
}

.author-info h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.author-info p {
    color: #7f8c8d;
    font-size: 14px;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: -50px;
    right: -50px;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.slider-control {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #fff;
    color: #3498db;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.slider-control:hover {
    background-color: #3498db;
    color: #fff;
    transform: scale(1.1);
}

.cta {n    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #fff;
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 新闻页面样式 */
.news-page {
    padding: 40px 0;
}

.news-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.news-list {
    flex: 3;
    min-width: 300px;
}

.news-item {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-meta {
    display: flex;
    align-items: center;
    color: #7f8c8d;
    font-size: 14px;
    margin-bottom: 15px;
}

.news-meta span {
    margin-right: 20px;
}

.news-title {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.news-excerpt {
    color: #555;
    margin-bottom: 20px;
}

.sidebar {
    flex: 1;
    min-width: 250px;
}

.sidebar-search {
    background-color: #fff;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.search-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.sidebar-category {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.sidebar-category h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 10px;
}

.category-item a {
    color: #555;
    text-decoration: none;
    transition: color 0.3s ease;
}

.category-item a:hover {
    color: #3498db;
}

.sidebar-popular {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.sidebar-popular h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.popular-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.popular-item:last-child {
    margin-bottom: 0;
}

.popular-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
}

.popular-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #2c3e50;
}

.popular-content a {
    text-decoration: none;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.popular-content a:hover {
    color: #3498db;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination a {
    display: inline-block;
    padding: 10px 15px;
    margin: 0 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-decoration: none;
    color: #555;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

/* 帮助中心页面样式 */
.help-page {
    padding: 40px 0;
}

.help-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.help-menu {
    flex: 1;
    min-width: 250px;
}

.menu-list {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.menu-item {
    border-bottom: 1px solid #eee;
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-item a {
    display: block;
    padding: 15px 20px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
}

.menu-item a:hover,
.menu-item a.active {
    background-color: #3498db;
    color: #fff;
}

.help-content {
    flex: 3;
    min-width: 300px;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.help-section {
    margin-bottom: 40px;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.help-section p {
    margin-bottom: 15px;
    color: #555;
}

.help-section ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.help-section li {
    margin-bottom: 10px;
    color: #555;
}

.help-faq {
    margin-top: 30px;
}

.help-faq h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.faq-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 15px;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    font-size: 18px;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #3498db;
}

.faq-answer {
    padding: 15px 0;
    color: #555;
    border-top: 1px solid #eee;
}

/* 联系我们页面样式 */
.contact-page {
    padding: 40px 0;
}

.contact-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.info-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.info-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.info-item p {
    color: #555;
    margin-bottom: 10px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 下载页面样式 */
.download-page {
    padding: 40px 0;
}

.latest-version {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.version-info h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.version-info p {
    color: #7f8c8d;
    margin-bottom: 20px;
}

.version-highlights h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.version-highlights ul {
    list-style: none;
}

.version-highlights li {
    margin-bottom: 10px;
    color: #555;
    display: flex;
    align-items: center;
}

.version-highlights i {
    color: #2ecc71;
    margin-right: 10px;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.download-item {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.download-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 20px;
}

.download-details h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.download-details p {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.download-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.download-stats span {
    color: #7f8c8d;
    font-size: 14px;
}

.download-actions {
    margin-top: auto;
}

.download-actions .btn {
    margin-right: 10px;
    margin-bottom: 10px;
}

.version-comparison {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 60px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.version-comparison h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: #f8f9fa;
    color: #2c3e50;
    font-weight: 600;
}

.comparison-table td {
    color: #555;
}

.text-green {
    color: #2ecc71;
}

.text-red {
    color: #e74c3c;
}

.installation-guide {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 60px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.installation-guide h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.guide-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.guide-tab {
    padding: 15px 30px;
    cursor: pointer;
    color: #555;
    font-size: 16px;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.guide-tab:hover {
    color: #3498db;
}

.guide-tab.active {
    color: #3498db;
    border-bottom-color: #3498db;
}

.tab-content {
    display: none;
    padding: 20px 0;
}

.tab-content.active {
    display: block;
}

.tab-content ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.tab-content li {
    margin-bottom: 10px;
    color: #555;
}

.guide-notes {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
}

.guide-notes h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.guide-notes ul {
    margin-left: 20px;
}

.guide-notes li {
    margin-bottom: 10px;
    color: #555;
}

.download-faq {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.download-faq h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.download-faq .faq-item {
    border-bottom: 1px solid #eee;
}

.download-faq .faq-item:last-child {
    border-bottom: none;
}

.download-faq .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    font-size: 18px;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.download-faq .faq-question:hover {
    color: #3498db;
}

.download-faq .faq-answer {
    padding: 15px 0;
    color: #555;
    display: none;
}

.download-faq .faq-item.active .faq-answer {
    display: block;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title h2 {
        font-size: 30px;
    }
    
    .feature-item {
        padding: 20px;
    }
    
    .step-content h3 {
        font-size: 20px;
    }
    
    .testimonial-text {
        font-size: 16px;
    }
    
    .cta h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 200px;
        text-align: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .work-steps {
        flex-direction: column;
    }
    
    .work-step {
        padding-bottom: 30px;
    }
    
    .work-step:last-child {
        padding-bottom: 0;
    }
    
    .work-step::before {
        display: none;
    }
    
    .step-number {
        position: relative;
        left: auto;
        top: auto;
        margin-bottom: 15px;
    }
    
    .step-content {
        padding-left: 0;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo,
    .footer-links,
    .footer-social {
        margin-bottom: 30px;
    }
    
    .news-container {
        flex-direction: column;
    }
    
    .help-container {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .guide-tabs {
        flex-wrap: wrap;
    }
    
    .guide-tab {
        padding: 10px 15px;
    }
    
    .comparison-table table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section-title p {
        font-size: 16px;
    }
    
    .testimonial-item {
        padding: 20px;
    }
    
    .cta h2 {
        font-size: 24px;
    }
    
    .cta p {
        font-size: 16px;
    }
    
    .pagination a {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .help-content {
        padding: 20px;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .latest-version {
        padding: 20px;
    }
    
    .download-item {
        padding: 20px;
    }
    
    .version-comparison {
        padding: 20px;
    }
    
    .installation-guide {
        padding: 20px;
    }
    
    .download-faq {
        padding: 20px;
    }
}