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

/* 防护措施 - 禁止选择文本 */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 防护措施 - 允许选择文本的区域（如输入框、文章正文） */
input, textarea, select, .article-body, .article-excerpt, .blog-content p, .article-content p {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}

/* 防护措施 - 禁止图片拖拽 */
img {
    -webkit-user-drag: none;
    user-drag: none;
    -webkit-touch-callout: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-secondary:hover {
    background-color: #007bff;
    color: #fff;
}

.btn-large {
    width: 100%;
    padding: 15px;
    font-size: 18px;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
    max-width: 100vw;
}

/* 移动端导航栏特殊处理 */
@media (max-width: 768px) {
    .navbar {
        overflow: visible;
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-image {
    height: 60px;
    width: auto;
    display: block;
}

.logo a {
    display: block;
}

.nav-menu ul {
    list-style: none;
    display: flex;
}

.nav-menu ul li {
    margin-left: 30px;
}

.nav-menu ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu ul li a:hover,
.nav-menu ul li a.active {
    color: #007bff;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 10000;
    position: relative;
    background: none;
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn:hover {
    opacity: 0.8;
}

.mobile-menu-btn:active {
    opacity: 0.6;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
    display: block;
}

/* 调试样式 - 移动端显示 */
@media screen and (max-width: 768px) {
    .mobile-menu-btn {
        display: flex !important;
    }
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 首页横幅 */
.hero {
    height: 80vh;
    min-height: 600px;
    padding: 120px 0 60px;
    background-image: url('https://img10.360buyimg.com/imgzone/jfs/t1/381114/14/14712/220217/695a1c52Ff56266b1/0fed760d53d2d64e.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    position: absolute;
    left: 0;
    bottom: -1px;
    content: "";
    height: 100%;
    width: 100%;
    background: url('https://img10.360buyimg.com/imgzone/jfs/t1/378205/9/21767/5302/695a1dbfF775d73a6/9f1ad9de06bad548.png');
    background-repeat: no-repeat;
    background-position: bottom center;
    background-size: contain;
    pointer-events: none;
}

.hero .container {
    padding: 0 15px;
    position: relative;
    z-index: 1;
}

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

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.hero-buttons .btn {
    min-width: 150px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* 页面标题区域 */
.page-header {
    padding: 120px 0 60px;
    background-image: url('https://img10.360buyimg.com/imgzone/jfs/t1/381095/14/13357/254324/695a2638F22ef9513/d4161938fc60aea0.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    text-align: center;
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
}

.page-header::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(102, 126, 234, 0.7);
}

.page-header .container {
    padding: 0 15px;
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 章节标题 */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #333;
}

.section-title p {
    font-size: 16px;
    color: #666;
}

/* 特性区域 */
.features {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.feature-item p {
    color: #666;
    font-size: 14px;
}

/* 服务预览区域 */
.services-preview {
    padding: 80px 0;
}

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

.service-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.service-item:hover {
    border-color: #007bff;
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
}

.service-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    text-align: center;
}

.service-item:hover {
    border-color: #007bff;
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.1);
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.service-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    max-width: 100%;
    max-height: 100%;
    display: block;
}

.service-item > p {
    color: #666;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.8;
}

/* 案例预览区域 */
.cases-preview {
    padding: 80px 0;
    background-color: #f8f9fa;
}

/* 网站建设仿站方案及价格 */
.pricing-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.pricing-header {
    margin-bottom: 50px;
}

.pricing-header-content h5 {
    font-size: 14px;
    color: #999;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 10px;
}

.pricing-header-content h5::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #e0e0e0;
}

.pricing-header-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
}

.pricing-header-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

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

.pricing-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card {
    padding: 40px 30px;
}

.pricing-info h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.pricing-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.pricing-top .rating {
    font-size: 18px;
    color: #ffc107;
}

.pricing-top .rating span {
    margin-left: 8px;
    color: #666;
    font-size: 16px;
}

.pricing-top .price {
    font-size: 32px;
    font-weight: bold;
    color: #007bff;
}

.pricing-info > p {
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    min-height: 60px;
}

.pricing-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
}

.pricing-features ul li {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.pricing-action .btn {
    min-width: 120px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

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

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 200px !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    min-width: 0;
}

.case-image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center !important;
    transition: transform 0.3s ease;
    display: block;
}

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

.case-placeholder {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.case-info p {
    color: #666;
    font-size: 14px;
}

.cases-more {
    text-align: center;
}

/* 仿站资讯/博客区域 */
.blog-section {
    padding: 80px 0;
    background-color: #fff;
}

.blog-header {
    text-align: center;
    margin-bottom: 50px;
}

.blog-header h5 {
    font-size: 14px;
    color: #999;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.blog-header h2 {
    font-size: 36px;
    color: #333;
    font-weight: 700;
}

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-item {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-thumb {
    position: relative;
    overflow: hidden;
}

.blog-thumb a {
    display: block;
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-thumb a:hover img {
    transform: scale(1.1);
}

.blog-date {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #007bff;
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 14px;
}

.blog-date strong {
    display: block;
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
}

.blog-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-content h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.blog-content h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-content h4 a:hover {
    color: #007bff;
}

.blog-content > p {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
    margin-bottom: 20px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 126px;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.blog-meta span {
    color: #999;
    font-size: 14px;
}

.btn-read-more {
    color: #007bff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-read-more:hover {
    color: #0056b3;
    transform: translateX(5px);
    display: inline-block;
}

/* 合作流程 */
.process {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-step {
    text-align: center;
    padding: 30px;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: bold;
}

.process-step h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.process-step p {
    color: #666;
    font-size: 14px;
}

/* CTA区域 */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 20px;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-logo {
    margin-bottom: 15px;
}

.footer-logo-image {
    height: 50px;
    width: auto;
    display: block;
    background-color: #fff;
    padding: 10px;
    border-radius: 5px;
}

.footer-column p {
    color: #bdc3c7;
    font-size: 14px;
    line-height: 1.8;
}

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

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

.footer-column ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #007bff;
}

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

.footer-bottom p {
    color: #95a5a6;
    font-size: 14px;
}

.footer-bottom a {
    color: #bdc3c7;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #007bff;
}

/* 服务详情页 */
.services-detail {
    padding: 60px 0;
}

.service-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    overflow: hidden;
}

.service-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 30px 40px;
}

.service-card-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.service-card-header p {
    opacity: 0.9;
}

.service-card-body {
    padding: 40px;
}

.service-card-body h3 {
    font-size: 20px;
    margin: 30px 0 15px;
    color: #333;
}

.service-card-body ul {
    list-style: none;
    padding-left: 20px;
}

.service-card-body ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #666;
}

.service-card-body ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

.service-price {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-label {
    color: #666;
    font-size: 16px;
}

.price-value {
    color: #007bff;
    font-size: 28px;
    font-weight: bold;
}

/* 常见问题 */
.faq {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.faq-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

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

.faq-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.faq-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
}

/* 案例筛选 */
.case-filters {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid #007bff;
    background-color: #fff;
    color: #007bff;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #007bff;
    color: #fff;
}

/* 案例列表页 */
.cases-list {
    padding: 60px 0;
}

.case-tag {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 10px;
}

.case-features {
    list-style: none;
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.case-features li {
    background-color: #f0f0f0;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    color: #666;
}

.case-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    padding: 40px 0;
    background-color: #f8f9fa;
    border-radius: 10px;
}

/* 关于我们页 */
.about-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* 移动端布局 - 图片在文字下方，文字居中 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text {
        text-align: center;
    }

    .about-text h2,
    .about-text p {
        text-align: center;
    }

    /* 桌面端的图片隐藏 */
    .about-image.desktop-only {
        display: none;
    }

    /* 移动端的图片显示 */
    .about-image.mobile-only {
        display: block;
        margin: 30px auto;
    }

    .about-image.mobile-only img {
        margin: 0 auto;
        display: block;
    }
}

/* 桌面端显示/隐藏 */
@media (min-width: 769px) {
    .about-image.desktop-only {
        display: block;
    }

    .about-image.mobile-only {
        display: none;
    }
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.about-info {
    padding: 20px;
}

.about-info h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #333;
    font-weight: 700;
}

.about-info p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 16px;
}

.about-intro .about-content {
    align-items: center;
}

.about-intro .about-text h2 {
    font-size: 42px;
    margin-bottom: 35px;
    color: #333;
    font-weight: 700;
}

.about-stats {
    display: flex;
    gap: 40px;
}

.about-stats .stat-item {
    text-align: left;
}

.about-stats .stat-number {
    display: block;
    font-size: 42px;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 8px;
}

.about-stats .stat-label {
    font-size: 16px;
    color: #666;
}

.about-intro .about-stats {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid #f0f0f0;
}

/* 核心优势 */
.why-choose-us {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.section-header h5 {
    font-size: 14px;
    color: #999;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 10px;
    display: inline-block;
}

.section-header h5::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #e0e0e0;
}

.section-header h2 {
    font-size: 36px;
    color: #333;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    max-width: 100%;
    max-height: 100%;
}

.feature-card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

/* 服务流程 */
.service-process {
    padding: 80px 0;
    background-color: #fff;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.process-item {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 35px 30px;
    border-left: 4px solid #007bff;
    transition: all 0.3s ease;
}

.process-item:hover {
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    transform: translateX(5px);
}

.process-number {
    font-size: 48px;
    font-weight: bold;
    color: #007bff;
    opacity: 0.2;
    margin-bottom: 15px;
}

.process-content h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}

.process-content p {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
}

/* 行业覆盖 */
.industries {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.industry-item {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.industry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: #007bff;
}

.industry-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.industry-item h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.industry-item p {
    color: #666;
    font-size: 14px;
}

/* 客户承诺 */
.promise {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.promise-content h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #fff;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.promise-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.promise-item:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.promise-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
}

.promise-text h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
    font-weight: 600;
}

.promise-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.8;
}

/* 价值观 */
.values {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.value-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.value-item p {
    color: #666;
    font-size: 14px;
}

/* 发展历程 */
.timeline {
    padding: 80px 0;
}

.timeline-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline-wrapper::before {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: #007bff;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 80px;
    height: 80px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-content {
    width: 45%;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.timeline-content p {
    color: #666;
    font-size: 14px;
}

/* 团队 */
.team {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.member-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-placeholder {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}

.team-member h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: #333;
}

.member-role {
    display: block;
    color: #007bff;
    font-size: 14px;
    margin-bottom: 15px;
}

.team-member p {
    color: #666;
    font-size: 14px;
}

/* 优势列表 */
.advantages {
    padding: 80px 0;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.advantage-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #007bff;
}

.advantage-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.advantage-item p {
    color: #666;
    font-size: 14px;
}

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.partner-item {
    height: 120px;
    background-color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.partner-item:hover {
    transform: scale(1.05);
}

.partner-placeholder {
    color: #666;
    font-size: 14px;
}

/* 联系我们页 */
.contact-section {
    padding: 60px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #333;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.contact-icon {
    font-size: 40px;
}

.contact-details h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.contact-details p {
    color: #666;
    margin-bottom: 5px;
}

.contact-tip {
    display: block;
    color: #007bff;
    font-size: 12px;
    margin-top: 10px;
}

.contact-qr {
    text-align: center;
}

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

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0 auto 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
}

.qr-code p {
    color: #666;
    font-size: 14px;
}

/* 联系表单 */
.contact-form-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #333;
}

.form-header p {
    color: #666;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group textarea {
    resize: vertical;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 14px;
    color: #666;
}

.checkbox-label a {
    color: #007bff;
    text-decoration: none;
}

/* 服务时间 */
.service-hours {
    padding: 60px 0;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.hours-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.hours-item p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系FAQ */
.contact-faq {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* 地图区域 */
.map-section {
    padding: 60px 0;
}

.map-placeholder {
    height: 400px;
    background-color: #f8f9fa;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-content {
    text-align: center;
    padding: 40px;
}

.map-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.map-content p {
    color: #666;
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .features-grid,
    .services-list,
    .cases-grid,
    .testimonials-grid,
    .process-steps,
    .values-grid,
    .team-grid,
    .advantages-list,
    .partners-grid,
    .hours-grid,
    .faq-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-info {
        text-align: center;
        padding: 0 20px;
    }

    .about-stats {
        flex-direction: column;
        gap: 20px;
        justify-content: center;
        align-items: center;
        padding: 20px 0;
    }

    .about-image {
        height: auto;
        margin: 0 auto 30px;
        max-width: 100%;
    }

    .timeline-wrapper::before {
        left: 30px;
    }

    .timeline-year {
        left: 30px;
        transform: translateX(-50%);
        width: 50px;
        height: 50px;
        font-size: 16px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 70px;
        margin-bottom: 30px;
    }

    .timeline-content {
        width: 100%;
        text-align: left !important;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info h2 {
        font-size: 28px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .case-stats {
        flex-direction: column;
        gap: 30px;
    }

    .faq-list {
        grid-template-columns: 1fr;
    }

    /* 价格方案响应式 */
    .pricing-header-content {
        text-align: center;
    }

    .pricing-header-content h5::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-top {
        flex-direction: column;
        gap: 15px;
    }

    .pricing-bottom {
        flex-direction: column;
        gap: 20px;
    }

    .pricing-features {
        text-align: center;
    }

    .pricing-action {
        width: 100%;
    }

    .pricing-action .btn {
        width: 100%;
    }

    /* 客户评价响应式 */
    .testimonials-header {
        text-align: center;
    }

    .testimonials-header h5::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .testimonials-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonial-provider {
        flex-direction: row;
        align-items: flex-start;
    }

    .testimonial-icon {
        text-align: center;
    }

    .testimonial-card {
        padding: 20px 15px;
    }

    .testimonial-card > p {
        font-size: 14px;
    }

    .testimonial-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    /* 博客响应式 */
    .blog-header {
        text-align: center;
    }

    .blog-list {
        grid-template-columns: 1fr;
    }

    .blog-content {
        padding: 20px;
    }

    .blog-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .case-filters {
        padding: 30px 0;
    }

    .filter-buttons {
        gap: 10px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 13px;
    }

    /* 资讯页面响应式 */
    .page-header {
        padding: 100px 0 40px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .page-header h1 {
        font-size: 32px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .page-header p {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .article-categories {
        padding: 30px 0;
        padding-left: 10px;
        padding-right: 10px;
    }

    .category-buttons {
        gap: 10px;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        max-width: 100%;
    }

    .category-buttons::-webkit-scrollbar {
        display: none;
    }

    .category-btn {
        padding: 10px 18px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .articles-section {
        padding: 40px 0;
        padding-left: 10px;
        padding-right: 10px;
    }

    .articles-grid {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .article-card {
        margin: 0;
        height: auto;
        min-height: 450px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        min-width: 0;
    }

    .article-image {
        width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        height: 180px;
    }

    .article-content {
        width: 100%;
        padding: 20px 10px;
        box-sizing: border-box;
        min-width: 0;
    }

    .article-title {
        font-size: 18px;
        word-wrap: break-word;
        overflow-wrap: break-word;
        line-height: 1.4;
    }

    .article-excerpt {
        font-size: 14px;
        -webkit-line-clamp: 2;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .article-category {
        left: 12px;
        bottom: 12px;
        font-size: 11px;
        padding: 3px 10px;
        white-space: nowrap;
    }

    .article-date {
        font-size: 12px;
        white-space: nowrap;
    }

    .article-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pagination {
        gap: 8px;
        margin-top: 30px;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
    }

    .page-btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .page-btn.next {
        padding: 8px 18px;
    }

    /* 文章详情页响应式 */
    .article-detail {
        padding: 100px 0 60px;
    }

    .breadcrumb {
        font-size: 12px;
        padding: 6px 12px;
        margin: 0;
        background-color: #f8f9fa;
        border-radius: 4px;
        line-height: 1.4;
    }

    .breadcrumb span {
        margin: 0 4px;
    }

    .article-detail-content {
        display: block !important;
    }

    .article-main {
        width: 100% !important;
        margin-bottom: 30px;
        padding: 25px !important;
    }

    .article-sidebar {
        width: 100% !important;
        margin-top: 30px !important;
        margin-left: 0 !important;
    }

    .article-detail-title {
        font-size: 24px;
    }

    .article-detail-image {
        margin-bottom: 20px;
    }

    .article-detail-image .article-cover-img {
        height: 250px !important;
    }

    .article-detail-meta {
        gap: 15px;
        flex-wrap: wrap;
    }

    .meta-item {
        font-size: 12px;
    }

    .article-detail-image .image-placeholder {
        height: 250px;
        font-size: 18px;
    }

    .article-detail-image .article-cover-img {
        height: 250px;
    }

    .article-body {
        font-size: 15px;
        line-height: 1.7;
    }

    .article-heading {
        font-size: 22px;
    }

    .article-subheading {
        font-size: 20px;
    }

    .related-item {
        flex-direction: column;
    }

    .related-thumb {
        width: 100%;
        height: 140px;
    }

    .related-articles .articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .related-articles .article-card {
        height: auto;
        min-height: 450px;
    }

    .related-articles .article-image {
        height: 200px;
    }

    .related-articles .article-content {
        padding: 20px 10px;
    }

    .related-articles .article-title {
        font-size: 18px;
    }

    .related-articles .article-excerpt {
        font-size: 14px;
        -webkit-line-clamp: 2;
        max-height: 45px;
    }

    .share-buttons {
        justify-content: center;
    }

    .share-btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* 侧边栏响应式 */
    .sidebar-widget {
        padding: 20px;
    }

    .sidebar-widget h3 {
        font-size: 16px;
    }

    /* 热门话题响应式 */
    .related-topics {
        padding: 40px 0;
        padding-left: 10px;
        padding-right: 10px;
    }

    .topics-list {
        justify-content: flex-start;
        gap: 10px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        max-width: 100%;
    }

    .topics-list::-webkit-scrollbar {
        display: none;
    }

    .topic-tag {
        padding: 8px 18px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* 移动端菜单 */
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 99999;
        width: 100%;
        box-sizing: border-box;
    }

    .nav-menu.active {
        display: block !important;
        z-index: 99999;
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-menu ul {
        flex-direction: column;
    }

    .nav-menu ul li {
        margin: 12px 0;
    }

    .nav-menu ul li a {
        padding: 12px 15px;
        display: block;
        border-radius: 5px;
        transition: background-color 0.3s ease;
    }

    .nav-menu ul li a:hover {
        background-color: #f8f9fa;
    }

    .nav-menu ul li a.active {
        background-color: #007bff;
        color: #fff;
    }

    /* Logo图片响应式 */
    .logo-image {
        height: 44px;
    }

    /* 页脚响应式 */
    .footer {
        padding: 40px 0 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-column {
        text-align: center;
    }

    .footer-logo {
        margin-bottom: 15px;
        text-align: center;
    }

    .footer-logo img {
        margin: 0 auto;
        display: block;
    }

    .footer-logo-image {
        margin: 0 auto 15px;
    }

    .footer-bottom {
        margin-top: 30px;
    }

    .footer-bottom p {
        font-size: 12px;
        line-height: 1.8;
    }

    /* 关于页面响应式 */
    .features-grid,
    .process-steps,
    .industries-grid,
    .promise-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .feature-card,
    .process-item,
    .industry-item {
        padding: 30px 20px;
    }

    .promise-content h2 {
        font-size: 28px;
    }

    .promise-item {
        padding: 25px 20px;
    }

    .promise-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
        margin-bottom: 15px;
    }

    .promise-text h4 {
        font-size: 16px;
    }

    .promise-text p {
        font-size: 13px;
    }

    /* CTA区域响应式 */
    .cta h2 {
        font-size: 28px;
    }

    .cta p {
        font-size: 16px;
    }

    .cta .btn {
        width: 100%;
        max-width: 280px;
    }

    /* 表单响应式 */
    .form-wrapper {
        padding: 30px 20px;
    }

    .form-header h2 {
        font-size: 24px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* 防止iOS自动缩放 */
        max-width: 100%;
        width: 100%;
    }

    /* 服务项目响应式 */
    .service-item {
        padding: 25px;
    }

    .service-item h3 {
        font-size: 18px;
    }

    /* 团队成员响应式 */
    .team-member {
        padding: 30px;
    }

    .member-avatar {
        width: 100px;
        height: 100px;
    }

    .avatar-placeholder {
        font-size: 16px;
    }

    /* 改进触摸体验 */
    .btn,
    .category-btn,
    .filter-btn,
    .page-btn,
    .article-card,
    .share-btn,
    .topic-tag,
    .nav-menu ul li a {
        -webkit-tap-highlight-color: transparent;
    }

    .btn:active,
    .category-btn:active,
    .filter-btn:active {
        transform: scale(0.98);
    }

    /* 二维码弹窗响应式 */
    .qr-modal-content {
        padding: 30px 20px;
        max-width: 320px;
    }

    .qr-modal-content h3 {
        font-size: 18px;
    }

    .qr-code-display .qr-placeholder {
        width: 180px;
        height: 180px;
        font-size: 14px;
    }
}

/* 平板设备 */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-articles .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .articles-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
        padding: 0;
    }

    .article-card {
        min-height: auto !important;
        height: auto !important;
        padding: 0 !important;
    }

    .article-image {
        height: 150px !important;
    }

    .article-content {
        padding: 15px !important;
    }

    .article-title {
        font-size: 16px !important;
    }

    .article-excerpt {
        font-size: 13px !important;
        -webkit-line-clamp: 3 !important;
        max-height: 62px !important;
    }

    .related-item {
        flex-direction: column;
    }

    .related-thumb {
        width: 100%;
        height: 140px;
    }

    .related-articles .articles-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }

    .related-articles .article-card {
        min-height: auto !important;
        height: auto !important;
        padding: 0 !important;
    }

    .related-articles .article-image {
        height: 150px !important;
    }

    .related-articles .article-content {
        padding: 15px !important;
    }

    .related-articles .article-title {
        font-size: 16px !important;
    }

    .related-articles .article-excerpt {
        font-size: 13px !important;
        -webkit-line-clamp: 3 !important;
        max-height: 62px !important;
    }

    .related-info h4 {
        font-size: 16px;
    }

    .related-excerpt {
        font-size: 13px;
    }

    .related-date {
        font-size: 13px;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .feature-item,
    .service-item,
    .testimonial-item,
    .process-step,
    .value-item,
    .team-member {
        padding: 25px 20px;
    }

    .case-info {
        padding: 15px;
    }

    .case-info h3 {
        font-size: 16px;
    }

    .testimonial-card {
        padding: 15px 12px;
    }

    .testimonial-card > p {
        font-size: 13px;
    }

    .testimonial-provider-info h4 {
        font-size: 16px;
    }

    .testimonial-provider-info p {
        font-size: 12px;
    }

    .article-category {
        left: 10px;
        bottom: 10px;
        font-size: 10px;
        padding: 2px 8px;
    }

    .article-detail-title {
        font-size: 20px;
    }

    .article-detail-image .article-cover-img {
        height: 200px;
    }

    .article-body {
        font-size: 14px;
    }

    .article-heading {
        font-size: 20px;
    }

    .article-subheading {
        font-size: 18px;
    }
}

/* 资讯页面样式 */
.article-categories {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.category-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 30px;
    border: 2px solid #007bff;
    background-color: #fff;
    color: #007bff;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background-color: #007bff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.articles-section {
    padding: 60px 0;
    overflow-x: hidden;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.article-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.article-image {
    height: 200px;
    flex-shrink: 0;
    overflow: hidden;
    display: block;
    position: relative;
    background-color: #f5f5f5;
    width: 100%;
    box-sizing: border-box;
}

.article-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
    min-width: 100%;
}

.article-card:hover .article-cover-img {
    transform: scale(1.1);
}

.article-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: 0;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.article-category {
    background-color: #007bff;
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    display: inline-block;
    white-space: nowrap;
    position: absolute;
    left: 15px;
    bottom: 15px;
    z-index: 10;
    max-width: 80%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-date {
    color: #999;
    font-size: 13px;
}

.article-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: #333;
    line-height: 1.4;
    transition: color 0.3s ease;
    flex-shrink: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 56px;
}

.article-card:hover .article-title {
    color: #007bff;
}

.article-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 112px;
    min-height: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.article-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: auto;
}

.article-link:hover {
    color: #0056b3;
    transform: translateX(5px);
    display: inline-block;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pagination .page-btn {
    padding: 10px 18px;
    border: 1px solid #e0e0e0;
    background-color: #fff;
    color: #333;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.pagination .page-btn:hover,
.pagination .page-btn.active,
.pagination .page-btn.current {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
}

.pagination .page-btn.next {
    padding: 10px 25px;
}

/* 热门话题 */
.related-topics {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.topics-list {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.topic-tag {
    padding: 10px 25px;
    background-color: #fff;
    color: #666;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.topic-tag:hover {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
    transform: translateY(-2px);
}

/* 文章详情页 */
.article-detail {
    padding: 70px 0 80px;
}

.breadcrumb {
    padding: 20px 0;
    color: #666;
    font-size: 14px;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #007bff;
}

.breadcrumb span {
    margin: 0 10px;
}

.breadcrumb .current {
    color: #333;
}

.article-detail-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.article-main {
    background-color: #fff;
    border-radius: 10px;
    padding: 40px;
}

.article-detail-title {
    font-size: 32px;
    margin-bottom: 25px;
    color: #333;
    line-height: 1.4;
}

.article-detail-meta {
    display: flex;
    gap: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
}

.meta-icon {
    font-size: 18px;
}

.article-detail-image {
    margin-bottom: 30px;
    overflow: hidden;
    border-radius: 10px;
}

.article-detail-image .article-cover-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
    border-radius: 10px;
    display: block;
}

.article-body {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
}

.article-body p {
    margin-bottom: 20px;
}

/* 文章内容中的图片自适应 */
.article-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
    border-radius: 8px;
}

.article-body p img {
    margin: 15px 0;
}

.article-heading {
    font-size: 26px;
    margin: 40px 0 20px;
    color: #333;
    font-weight: 700;
}

.article-subheading {
    font-size: 22px;
    margin: 30px 0 15px;
    color: #333;
    font-weight: 600;
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-body li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-body strong {
    color: #333;
    font-weight: 600;
}

/* 文章标签 */
.article-tags {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.article-tags h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.tags-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 8px 20px;
    background-color: #f8f9fa;
    color: #666;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #007bff;
    color: #fff;
}

/* 分享按钮 */
.article-share {
    margin-top: 40px;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.article-share h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333;
}

.copyright-notice {
    margin-top: 30px;
    padding: 20px;
    background-color: #f5f5f5;
    border-left: 3px solid #ff9800;
    border-radius: 4px;
}

.copyright-notice p {
    margin: 0 0 15px 0;
    font-size: 14px;
    color: #333;
    line-height: 1.6;
}

.article-url-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
}

.url-label {
    font-size: 14px;
    color: #666;
    white-space: nowrap;
}

.url-input {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    color: #666;
}

.copy-url-btn {
    padding: 8px 14px;
    background-color: #ff9800;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

.copy-url-btn:hover {
    background-color: #f57c00;
}

.share-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.share-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    color: #fff;
}

.share-btn.wechat {
    background-color: #07c160;
}

.share-btn.weibo {
    background-color: #e6162d;
}

.share-btn.qq {
    background-color: #12b7f5;
}

.share-btn.link {
    background-color: #666;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 相关文章 */
.related-articles {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.related-articles h3 {
    font-size: 18px;
    margin-bottom: 25px;
    color: #333;
}

.related-articles .articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 0;
}

.related-articles .article-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    height: 500px;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.related-articles .article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.related-articles .article-image {
    height: 200px;
    flex-shrink: 0;
    overflow: hidden;
    display: block;
    position: relative;
    background-color: #f5f5f5;
    width: 100%;
    box-sizing: border-box;
}

.related-articles .article-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
}

.related-articles .article-card:hover .article-cover-img {
    transform: scale(1.1);
}

.related-articles .article-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
}

.related-articles .article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.related-articles .article-category {
    background-color: #007bff;
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    display: inline-block;
    white-space: nowrap;
    position: absolute;
    left: 15px;
    bottom: 15px;
    z-index: 10;
}

.related-articles .article-date {
    color: #999;
    font-size: 13px;
}

.related-articles .article-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: #333;
    line-height: 1.4;
    transition: color 0.3s ease;
    flex-shrink: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 56px;
}

.related-articles .article-card:hover .article-title {
    color: #007bff;
}

.related-articles .article-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 112px;
    min-height: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.related-articles .article-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: auto;
}

.related-articles .article-link:hover {
    color: #0056b3;
    transform: translateX(5px);
    display: inline-block;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background-color: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.sidebar-widget h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
}

/* 搜索框 */
.search-widget .search-box {
    display: flex;
    gap: 10px;
}

.search-widget input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.search-widget input:focus {
    outline: none;
    border-color: #007bff;
}

.search-widget .search-btn {
    padding: 12px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.search-widget .search-btn:hover {
    background-color: #0056b3;
}

/* 热门文章 */
.popular-list {
    list-style: none;
}

.popular-list li {
    margin-bottom: 15px;
}

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

.popular-list a {
    display: flex;
    align-items: start;
    gap: 12px;
    text-decoration: none;
    color: #333;
    transition: color 0.3s ease;
}

.popular-list a:hover {
    color: #007bff;
}

.popular-num {
    background-color: #007bff;
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
}

.popular-title {
    font-size: 14px;
    line-height: 1.5;
}

/* 分类 */
.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 10px;
}

.category-list li:last-child {
    margin-bottom: 0;
}

.category-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: #f8f9fa;
    text-decoration: none;
    color: #333;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.category-toggle:hover {
    background-color: #007bff;
    color: #fff;
    transform: translateX(5px);
}

.category-toggle.active {
    background-color: #007bff;
    color: #fff;
    border-color: #0056b3;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.category-name {
    flex: 1;
    font-weight: 500;
}

.category-count {
    background-color: #e0e0e0;
    color: #666;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    transition: all 0.3s ease;
}

.category-toggle:hover .category-count,
.category-toggle.active .category-count {
    background-color: #fff;
    color: #007bff;
}

.category-articles {
    list-style: none;
    margin-top: 10px;
    padding: 12px;
    background-color: #fff;
    border-left: 3px solid #007bff;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.category-articles[style*="display: block"] {
    max-height: 500px;
    overflow-y: auto;
}

.category-articles li {
    margin-bottom: 8px;
}

.category-articles li:last-child {
    margin-bottom: 0;
}

.category-articles a {
    display: block;
    padding: 10px 14px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.3s ease;
    line-height: 1.5;
    background-color: #fafafa;
    border: 1px solid #e9ecef;
}

.category-articles a:hover {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
}

.no-articles {
    display: block;
    padding: 12px 14px;
    color: #999;
    font-size: 13px;
    font-style: italic;
    background-color: #fafafa;
    border-radius: 6px;
    text-align: center;
}

/* 联系我们侧边栏 */
.contact-sidebar p {
    color: #666;
    margin-bottom: 10px;
    font-size: 14px;
}

.contact-sidebar strong {
    color: #333;
}

.contact-sidebar a {
    display: none;
}

/* 微信分享二维码弹窗 */
.qr-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.qr-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-modal-content {
    background-color: #fff;
    border-radius: 10px;
    max-width: 400px;
    width: 90%;
    padding: 40px;
    position: relative;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.qr-modal-close {
    position: absolute;
    right: 15px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.qr-modal-close:hover {
    color: #333;
}

.qr-modal-content h3 {
    margin-bottom: 25px;
    color: #333;
    font-size: 22px;
}

.qr-code-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.qr-code-display .qr-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
}

.qr-code-display p {
    color: #666;
    font-size: 14px;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 案例图片查看弹窗 */
.case-image-modal {
    display: none;
    position: fixed;
    z-index: 20000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
    cursor: zoom-out;
}

.case-image-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-image-modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
    animation: zoomIn 0.3s ease;
}

.case-image-modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    display: block;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.case-image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    user-select: none;
}

.case-image-modal-close:hover {
    color: #007bff;
}

.case-image-modal-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    right: 0;
    color: #fff;
    text-align: center;
    font-size: 16px;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.feature-item,
.service-item,
.case-item,
/* 客户评价 */
.testimonials {
    padding: 10px 0;
    background-color: #fff;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 50px;
}

.testimonials-header h5 {
    font-size: 14px;
    color: #999;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 10px;
    display: inline-block;
}

.testimonials-header h5::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #e0e0e0;
}

.testimonials-header h2 {
    font-size: 36px;
    color: #333;
    font-weight: 700;
    margin-bottom: 15px;
}

.testimonials-header p {
    font-size: 16px;
    color: #666;
}

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

.testimonial-item {
    background-color: #fff;
}

.testimonial-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: #007bff;
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.15);
    transform: translateY(-5px);
}

.testimonial-provider {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-icon {
    flex-shrink: 0;
}

.testimonial-icon img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #007bff;
}

.provider-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
}

.testimonial-provider-info h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 5px;
}

.testimonial-provider-info p {
    font-size: 14px;
    color: #666;
}

.testimonial-rating {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.rating-stars {
    font-size: 18px;
    color: #ffc107;
}

.rating-score {
    font-size: 18px;
    font-weight: bold;
    color: #666;
}

.testimonial-card > p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 20px;
}

.testimonial-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    font-size: 13px;
    color: #999;
}

/* QQ提示框样式 */
.qq-tooltip {
    position: fixed;
    bottom: 90px;
    right: 90px;
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.qq-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.qq-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: #007bff;
}

/* 提交成功页面 */
.success-page {
    min-height: 100vh;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.success-container {
    background-color: #fff;
    padding: 50px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: bold;
    margin: 0 auto 25px;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.success-icon.error-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.success-title {
    font-size: 26px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.success-title.error-title {
    color: #dc3545;
}

.success-message {
    font-size: 15px;
    color: #666;
    margin-bottom: 35px;
    line-height: 1.6;
}

.submitted-content {
    background-color: #fafafa;
    padding: 25px;
    margin-bottom: 35px;
    text-align: left;
    border-radius: 8px;
    border: 1px solid #eee;
}

.submitted-content h2 {
    font-size: 18px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.submitted-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    padding: 10px 0;
    background-color: transparent;
    align-items: flex-start;
}

.info-label {
    flex-shrink: 0;
    width: 100px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
    text-align: right;
    padding-right: 12px;
}

.info-value {
    flex: 1;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
}

.success-container .btn {
    min-width: 180px;
}

/* 提交成功页面响应式 */
@media (max-width: 768px) {
    .success-page {
        padding: 15px;
    }

    .success-container {
        padding: 35px 25px;
        max-width: 100%;
    }

    .success-icon {
        width: 70px;
        height: 70px;
        font-size: 35px;
        margin-bottom: 20px;
    }

    .success-title {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .success-message {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .submitted-content {
        padding: 20px 15px;
    }

    .submitted-content h2 {
        font-size: 16px;
        margin-bottom: 18px;
    }

    .info-row {
        flex-direction: row;
        gap: 5px;
        flex-wrap: wrap;
        align-items: flex-start;
    }

    .info-label {
        flex-shrink: 0;
        font-size: 13px;
        text-align: right;
        padding-right: 5px;
        font-weight: 500;
    }

    .info-value {
        flex: 1;
        font-size: 13px;
        text-align: left;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-all;
        min-width: 0;
    }

    .success-container .btn {
        width: 100%;
        padding: 14px 20px;
    }
}

/* Related Articles - 一行一个布局 */
.related-articles .articles-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-articles .article-card {
    display: flex;
    flex-direction: row;
    width: 100%;
    min-width: 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    height: auto !important;
    min-height: auto !important;
}

.related-articles .article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.related-articles .article-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    width: 100%;
}

.related-articles .article-image {
    width: 240px;
    height: 180px;
    flex-shrink: 0;
}

.related-articles .article-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-articles .article-content {
    padding: 20px;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.related-articles .article-meta {
    margin-bottom: 12px;
}

.related-articles .article-title {
    font-size: 18px;
    margin-bottom: 12px;
}

.related-articles .article-excerpt {
    font-size: 14px;
    -webkit-line-clamp: 2;
    max-height: 45px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .related-articles .articles-grid {
        flex-direction: column;
    }

    .related-articles .article-card {
        flex-direction: column;
    }

    .related-articles .article-image {
        width: 100%;
        height: 200px;
    }
}