/* style.css - 小脉传媒网站样式 */
/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #0a2463;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: #ff6b6b;
    margin: 15px auto;
    border-radius: 2px;
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #0a2463;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-main {
    font-size: 22px;
    font-weight: bold;
    color: white;
}

.logo-geo {
    background-color: #ff6b6b;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    font-size: 16px;
}

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

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

.nav-menu a {
    color: white;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ff6b6b;
    transition: width 0.3s;
}

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

.nav-menu a.active {
    color: #ff6b6b;
}

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

.mobile-menu-btn {
    display: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0a2463 0%, #3e6bb8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 0 20px;
    margin-top: -80px;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.ai-platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.platform-tag {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: 30px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.platform-tag:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.cta-button {
    display: inline-block;
    background-color: #ff6b6b;
    color: white;
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* 服务内容区域 */
.services {
    background-color: #f8f9fa;
}

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

.service-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    text-align: center;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #0a2463;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0a2463;
}

/* 核心优势区域 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.advantage-number {
    font-size: 3rem;
    font-weight: bold;
    color: #ff6b6b;
    margin-bottom: 15px;
}

/* DeepAnaX系统区域 */
.deepanax {
    background-color: #fff;
}

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

.deepanax-card {
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s;
    display: block;
    color: inherit;
    text-decoration: none;
}

.deepanax-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.deepanax-number {
    font-size: 3rem;
    font-weight: bold;
    color: #0a2463;
    margin-bottom: 15px;
}

.deepanax-card h3 {
    transition: color 0.3s ease;
}

.deepanax-card:hover h3 {
    color: #ff6b6b;
}

/* GEO资讯区域 */
.geo-news {
    background-color: #f8f9fa;
}

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

.news-item {
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

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

.news-item a {
    display: block;
    color: #0a2463;
    font-weight: 500;
    transition: color 0.3s;
}

.news-item a:hover {
    color: #ff6b6b;
}

/* 关于我们区域 */
.about {
    background-color: #f8f9fa;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background-color: #f8f9fa;
    margin-bottom: 40px;
}

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

.breadcrumb-links li {
    margin-right: 10px;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb-links li:not(:last-child):after {
    content: '>';
    margin-left: 10px;
}

.breadcrumb-links a {
    color: #0a2463;
    transition: color 0.3s;
}

.breadcrumb-links a:hover {
    color: #ff6b6b;
}

/* 白皮书专区样式 */
.whitepaper-section {
    background-color: #f8f9fa;
    padding: 60px 0;
}

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

.whitepaper-title {
    font-size: 2rem;
    color: #0a2463;
    margin-bottom: 15px;
}

.whitepaper-subtitle {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

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

.whitepaper-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    border-left: 4px solid #0a2463;
    display: flex;
    flex-direction: column;
}

.whitepaper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.whitepaper-tag {
    display: inline-block;
    background-color: #0a2463;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 15px;
    align-self: flex-start;
}

.whitepaper-card-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #0a2463;
    line-height: 1.3;
}

.whitepaper-card-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
}

.download-btn {
    display: inline-block;
    background-color: #ff6b6b;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
    text-align: center;
}

.download-btn:hover {
    background-color: #e55c5c;
}

/* 文章列表区域 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.article-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    border-left: 4px solid #ff6b6b;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.article-date {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.article-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #0a2463;
    line-height: 1.3;
    transition: color 0.3s;
}

.article-title a {
    color: inherit;
    display: block;
}

.article-title a:hover {
    color: #ff6b6b;
}

.article-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* 文章详情区域 */
.article-detail {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.article-header {
    margin-bottom: 30px;
    text-align: center;
}

.article-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #0a2463;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #888;
    font-size: 0.9rem;
}

.article-author {
    margin-right: 20px;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: #0a2463;
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: #0a2463;
}

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

.article-content blockquote {
    border-left: 4px solid #ff6b6b;
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: #666;
}

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

.article-content li {
    margin-bottom: 10px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
}

.tag {
    background-color: #f0f5ff;
    color: #0a2463;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 10px;
    margin-bottom: 10px;
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.share-text {
    margin-right: 15px;
    font-weight: 500;
    color: #666;
}

.share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f0f5ff;
    color: #0a2463;
    margin-right: 10px;
    transition: all 0.3s;
}

.share-button:hover {
    background-color: #0a2463;
    color: white;
}

/* 系统功能区域 */
.system-features {
    margin-bottom: 80px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    border-left: 4px solid #0a2463;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #ff6b6b;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0a2463;
}

.feature-description {
    color: #666;
    line-height: 1.6;
}

/* 媒体报道区域 */
.media-reports {
    background-color: #f8f9fa;
}

/* 页脚样式 */
footer {
    background-color: #0a2463;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #ff6b6b;
}

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

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

.footer-links a {
    color: #ccc;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ff6b6b;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
    font-size: 0.9rem;
}

.beian-link {
    color: #ccc;
    margin-left: 10px;
}

.beian-link:hover {
    color: #ff6b6b;
    text-decoration: underline;
}

/* 待更新样式 */
.placeholder {
    background-color: #f5f5f5;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    color: #888;
    margin: 20px 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .news-grid, .articles-grid, .whitepapers-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #0a2463;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 10px 0;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .article-detail {
        padding: 30px 20px;
    }
    
    .article-title {
        font-size: 1.6rem;
    }
    
    .feature-grid, .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .whitepaper-section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .whitepaper-title {
        font-size: 1.6rem;
    }
    
    body {
        padding-top: 70px;
    }
    
    .hero {
        margin-top: -70px;
    }
    
    .platform-tag {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .article-card, .whitepaper-card, .feature-card {
        padding: 20px;
    }
    
    .article-title, .whitepaper-card-title, .feature-title {
        font-size: 1.2rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .article-content h2 {
        font-size: 1.4rem;
    }
    
    .article-content h3 {
        font-size: 1.2rem;
    }
}

/* ChatGPT优化页面特定样式 */
.chatgpt-hero {
    background: linear-gradient(135deg, #10a37f 0%, #1a7f64 100%);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.reason-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.reason-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-detail-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #10a37f;
}

.service-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #10a37f;
    margin-bottom: 15px;
}

.service-detail-card ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-card li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.service-detail-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10a37f;
    font-weight: bold;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.client-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.case-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 15px;
}

.case-industry {
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.case-result {
    background: #e8f5e8;
    color: #2e7d32;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #10a37f;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

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

.contact-details {
    margin-top: 30px;
}

.contact-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .services-detail-grid,
    .clients-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ChatGPT优化区域特定样式 */
.chatgpt-section {
    background-color: #f8f9fa;
}

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

.chatgpt-card {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s;
}

.chatgpt-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.chatgpt-number {
    font-size: 3rem;
    font-weight: bold;
    color: #10a37f;
    margin-bottom: 15px;
}

/* 关于我们区域特定样式 */
.about {
    background-color: #f8f9fa;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.about-text p {
    margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .chatgpt-grid {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        font-size: 1rem;
    }
}