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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

/* 导航栏 */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: #3498db;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links li.active a {
    color: #3498db;
}

.nav-links li.active a::after {
    width: 100%;
}

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiPjxwYXRoIGQ9Ik0gNDAgMCBMIDAgMCAwIDQwIiBmaWxsPSJub25lIiBzdHJva2U9IiNmZmYiIHN0cm9rZS13aWR0aD0iMSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background: white;
    color: #667eea;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-edit {
    background: #f39c12;
    color: white;
}

.btn-edit:hover {
    background: #e67e22;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #3498db;
}

.section-title p {
    font-size: 18px;
    color: #7f8c8d;
}

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

.service-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: #3498db;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

.service-card p {
    color: #7f8c8d;
}

/* 文章卡片 */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.post-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-image {
    transform: scale(1.05);
}

.post-content {
    padding: 20px;
}

.post-category {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 10px;
}

.post-title {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 10px;
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
}

.post-title:hover {
    color: #3498db;
}

.post-excerpt {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.post-date {
    font-size: 14px;
    color: #95a5a6;
}

/* 客户案例 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.project-content {
    padding: 20px;
}

.project-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.project-client {
    font-size: 14px;
    color: #7f8c8d;
}

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

.team-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.team-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.team-content {
    padding: 20px;
}

.team-name {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.team-position {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 10px;
}

.team-bio {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: #3498db;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* 表单样式 */
.form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group textarea {
    resize: vertical;
    min-height: 200px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* 表格样式 */
.table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

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

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

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

tr:hover {
    background: #f8f9fa;
}

/* 错误和成功消息 */
.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

/* 状态标签 */
.status {
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status.published {
    background: #d4edda;
    color: #155724;
}

.status.draft {
    background: #fff3cd;
    color: #856404;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 文章详情页 */
.post-content {
    padding: 150px 0 100px;
}

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

.post-header .post-category {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 20px;
}

.post-header .post-title {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.3;
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: #7f8c8d;
}

.post-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.post-body {
    font-size: 18px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 60px;
}

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

.post-body h2 {
    font-size: 28px;
    color: #2c3e50;
    margin: 40px 0 20px;
}

.post-body h3 {
    font-size: 24px;
    color: #2c3e50;
    margin: 30px 0 15px;
}

/* 相关文章 */
.related-posts {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.related-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.related-content {
    padding: 20px;
}

.related-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 10px;
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
}

.related-title:hover {
    color: #3498db;
}

.related-date {
    font-size: 14px;
    color: #7f8c8d;
}

/* 新闻页面 */
.news-section {
    padding: 150px 0 100px;
}

.news-content {
    display: flex;
    gap: 60px;
}

.sidebar {
    flex: 0 0 300px;
}

.main-content {
    flex: 1;
}

.category-list {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.category-list h3 {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.category-list h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: #3498db;
}

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

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

.category-list a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s ease;
    display: block;
    padding: 5px 0;
}

.category-list a:hover {
    color: #3498db;
    padding-left: 10px;
}

/* 关于页面 */
.about-section {
    padding: 150px 0 100px;
}

.about-content {
    display: flex;
    gap: 60px;
    margin-bottom: 100px;
    align-items: center;
}

.about-text {
    flex: 1;
}

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

.about-text p {
    margin-bottom: 20px;
    color: #333;
    line-height: 1.8;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.advantages {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.advantage-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.advantage-card p {
    color: #7f8c8d;
}

/* 服务页面 */
.services-section {
    padding: 150px 0 100px;
}

.service-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.service-content {
    padding: 30px;
}

.service-title {
    font-size: 22px;
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-description {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
}

.service-features li {
    margin-bottom: 10px;
    color: #333;
    position: relative;
    padding-left: 25px;
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.process {
    padding: 100px 0;
    background: #f8f9fa;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.process-step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.process-step:before {
    content: "";
    position: absolute;
    top: 50%;
    right: -25px;
    width: 50px;
    height: 2px;
    background: #3498db;
    transform: translateY(-50%);
}

.process-step:last-child:before {
    display: none;
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    line-height: 60px;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.step-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 15px;
}

.step-description {
    color: #7f8c8d;
}

/* 联系页面 */
.contact-section {
    padding: 150px 0 100px;
}

.contact-content {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

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

.contact-details p {
    color: #7f8c8d;
}

.contact-form {
    flex: 1;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 30px;
}

.map-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        padding: 10px;
    }
    
    .nav-links {
        margin-top: 15px;
    }
    
    .nav-links li {
        margin-left: 15px;
        margin-right: 15px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .services-grid,
    .posts-grid,
    .projects-grid,
    .team-grid,
    .advantages-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .news-content {
        flex-direction: column;
    }
    
    .sidebar {
        flex: 0 0 100%;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .process-step:before {
        display: none;
    }
}