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

:root {
    --primary-color: #1E3A5F;
    --secondary-color: #4A90E2;
    --accent-color: #FF6B35;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F5F5F5;
    --bg-white: #FFFFFF;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

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

/* 导航栏 */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.brand-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 16px;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--secondary-color);
}

.wechat-qr-small {
    width: 40px;
    height: 40px;
    cursor: pointer;
}

/* 汉堡菜单按钮 - 默认隐藏（桌面端） */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    z-index: 1001;
    border-radius: 4px;
}
.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}
.navbar.nav-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar.nav-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}
.navbar.nav-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title-en {
    font-size: 32px;
    font-weight: normal;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 15px;
    opacity: 0.95;
}

.hero-subtitle-en {
    font-size: 16px;
    opacity: 0.8;
}

.hero-value {
    font-size: 16px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-value-en {
    font-size: 14px;
    opacity: 0.8;
}

.hero-cta {
    margin-top: 50px;
}

.wechat-qr-large {
    display: inline-block;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.qr-image {
    width: 200px;
    height: 200px;
    margin-bottom: 15px;
}

.qr-text {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: bold;
}

.qr-text-en {
    font-size: 14px;
    color: var(--text-light);
}

.qr-benefits {
    font-size: 14px;
    color: var(--text-dark);
    text-align: left;
    margin-top: 15px;
    line-height: 1.8;
}

/* 核心优势 */
.advantages {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
    font-size: 18px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.advantage-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

.advantage-en {
    font-size: 12px;
    color: var(--text-light);
    font-style: italic;
    margin-top: 10px;
}

/* 服务概览 */
.services-preview {
    padding: 80px 0;
}

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

.service-card {
    background: white;
    border: 2px solid var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
}

.service-icon {
    font-size: 48px;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.service-desc {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 5px;
}

.service-desc-en {
    font-size: 12px;
    color: var(--text-light);
    font-style: italic;
}

.service-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
}

.service-link:hover {
    text-decoration: underline;
}

.services-cta {
    text-align: center;
    margin-top: 50px;
}

/* 应用场景 */
.use-cases {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.use-case-item {
    text-align: center;
    padding: 20px;
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.use-case-item h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.use-case-item p {
    font-size: 14px;
    color: var(--text-light);
}

.use-case-en {
    font-size: 12px;
    font-style: italic;
}

/* 资源中心预览 */
.resources-preview {
    padding: 80px 0;
}

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

.resource-card {
    background: white;
    border: 1px solid #e0e0e0;
    padding: 25px;
    border-radius: 8px;
    transition: all 0.3s;
}

.resource-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-color: var(--secondary-color);
}

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

.resource-header h3 {
    font-size: 18px;
    color: var(--primary-color);
}

.resource-badge {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
}

.resource-info {
    margin-bottom: 15px;
}

.resource-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.resource-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
}

.resource-link:hover {
    text-decoration: underline;
}

.resources-cta {
    text-align: center;
    margin-top: 40px;
}

/* 服务流程 */
.process-preview {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.process-timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 50px;
}

.process-step {
    text-align: center;
    flex: 0 0 150px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 15px;
}

.process-step h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.step-en {
    font-size: 12px;
    color: var(--text-light);
    font-style: italic;
}

.process-arrow {
    font-size: 24px;
    color: var(--secondary-color);
    font-weight: bold;
}

.process-note {
    text-align: center;
    margin-top: 40px;
    color: var(--text-light);
}

.process-note-en {
    font-size: 14px;
    font-style: italic;
}

.process-cta {
    text-align: center;
    margin-top: 30px;
}

/* 信任背书 */
.trust {
    padding: 80px 0;
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.trust-item {
    text-align: center;
    padding: 20px;
}

.trust-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.trust-item p {
    color: var(--text-dark);
    font-size: 14px;
    line-height: 1.6;
}

/* FAQ预览 */
.faq-preview {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    background: white;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
}

.faq-icon {
    color: var(--secondary-color);
    font-size: 20px;
}

.faq-question h4 {
    font-size: 16px;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 20px 20px 55px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
}

.faq-cta {
    text-align: center;
    margin-top: 40px;
}

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

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #e55a25;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #357abd;
}

.btn-outline {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-outline:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* 页脚 */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    margin-bottom: 15px;
}

.footer-company {
    font-size: 16px;
    margin-bottom: 5px;
}

.footer-company-en {
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact h4,
.footer-links h4 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-wechat {
    margin-bottom: 20px;
}

.footer-qr {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
}

.footer-service {
    font-size: 14px;
    opacity: 0.9;
}

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

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

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    opacity: 0.7;
}

/* 服务页面样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 20px;
    opacity: 0.95;
}

.page-subtitle-en {
    font-size: 16px;
    opacity: 0.8;
}

.services-content {
    padding: 60px 0;
}

.service-section {
    margin-bottom: 80px;
    padding-bottom: 60px;
    border-bottom: 2px solid var(--bg-light);
}

.service-section:last-child {
    border-bottom: none;
}

.service-section-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--secondary-color);
}

.service-section-header h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.service-section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    font-style: italic;
}

.service-section-content h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-light);
}

.service-section-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
}

.scenario-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.scenario-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
}

.scenario-item h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.scenario-item p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.6;
}

.scenario-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
}

.scenario-link:hover {
    text-decoration: underline;
}

.spec-list {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.spec-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 16px;
    color: var(--text-dark);
}

.spec-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 24px;
    line-height: 1;
}

.spec-list a {
    color: var(--secondary-color);
    text-decoration: none;
}

.spec-list a:hover {
    text-decoration: underline;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.advantage-item {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    font-size: 15px;
    color: var(--text-dark);
}

.process-detail {
    margin: 30px 0;
}

.process-step-detail {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 25px;
    border-left: 4px solid var(--secondary-color);
}

.process-step-detail h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.process-step-detail p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.process-deliverable {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
    color: var(--text-light);
}

.process-note-box {
    background: #fff3e0;
    border: 2px solid var(--accent-color);
    padding: 25px;
    border-radius: 8px;
    margin-top: 30px;
}

.process-note-box p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.data-list-cta {
    background: var(--bg-light);
    padding: 60px 0;
    text-align: center;
    margin: 60px 0;
}

.data-list-cta h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.data-list-cta p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.consult-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-top: 60px;
}

.consult-section h2 {
    font-size: 32px;
    margin-bottom: 40px;
}

.consult-content {
    display: flex;
    justify-content: center;
}

.consult-wechat {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.consult-qr {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
}

.consult-wechat p {
    color: var(--text-dark);
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: bold;
}

.consult-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container.nav-container {
        flex-wrap: wrap;
        position: relative;
    }
    
    .nav-toggle {
        display: flex;
        order: 2;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 32px);
        max-width: 280px;
        flex-direction: column;
        gap: 0;
        background: var(--bg-white);
        padding: 0 0 20px;
        margin: 15px 0 0;
        box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        border-radius: 12px;
        border: 1px solid #eee;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .navbar.nav-open .nav-menu {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a,
    .nav-menu .nav-wechat {
        display: block;
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .nav-menu .nav-wechat {
        justify-content: flex-start;
        padding-left: 20px;
    }
    
    .nav-menu .wechat-qr-small {
        width: 36px;
        height: 36px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-title-en {
        font-size: 20px;
    }
    
    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .service-section-header h2 {
        font-size: 24px;
    }
    
    .scenario-list {
        grid-template-columns: 1fr;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
}

/* 资源中心页面样式 */
.resources-content {
    padding: 60px 0;
}

.resource-document {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.resource-document-header {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--bg-light);
}

.resource-cover {
    text-align: center;
}

.doc-cover-img {
    width: 200px;
    height: auto;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.resource-info h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.resource-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.meta-item {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.resource-badge {
    display: inline-block;
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: bold;
}

.resource-badge.latest {
    background: #4caf50;
    color: white;
}

.resource-badge.reference {
    background: #ff9800;
    color: white;
}

.resource-badge.history {
    background: #9e9e9e;
    color: white;
}

.resource-document-content h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-light);
}

.tech-points {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.tech-points li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.tech-points li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 20px;
    font-weight: bold;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid var(--secondary-color);
}

.official-link {
    font-size: 15px;
    color: var(--text-dark);
    margin: 20px 0;
}

.official-link a {
    color: var(--secondary-color);
    text-decoration: none;
    word-break: break-all;
}

.official-link a:hover {
    text-decoration: underline;
}

.resource-download {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    margin: 30px 0;
    text-align: center;
}

.download-qr {
    display: inline-block;
}

.download-qr-img {
    width: 200px;
    height: 200px;
    margin-bottom: 15px;
}

.download-qr p {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: bold;
    margin-bottom: 10px;
}

.download-note {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
}

.copyright-notice {
    background: #fff3e0;
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
}

.copyright-notice p {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 10px;
}

.copyright-en {
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.related-resources {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 10px;
    margin: 60px 0;
    text-align: center;
}

.related-resources h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.related-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.related-link {
    display: block;
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 16px;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.related-link:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .resource-document-header {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .resource-meta {
        grid-template-columns: 1fr;
    }
    
    .scenario-tags {
        justify-content: center;
    }
}

/* 数据清单页面样式 */
.data-list-nav {
    background: var(--bg-light);
    padding: 20px 0;
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.interface-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--bg-light);
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.tab-btn.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.data-list-content {
    padding: 60px 0;
}

.interface-data {
    max-width: 1000px;
    margin: 0 auto;
}

.interface-data h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
}

.data-intro {
    text-align: center;
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 40px;
}

.data-category {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.category-header {
    background: var(--bg-light);
    padding: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: background 0.3s;
}

.category-header:hover {
    background: #e8e8e8;
}

.category-icon {
    color: var(--secondary-color);
    font-size: 20px;
    font-weight: bold;
    width: 24px;
    text-align: center;
}

.category-header h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin: 0;
}

.category-content {
    padding: 20px;
    padding-left: 60px;
}

.data-subcategory {
    margin-bottom: 25px;
}

.data-subcategory h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bg-light);
}

.data-fields {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.data-fields li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    border-bottom: 1px solid #f5f5f5;
}

.data-fields li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 20px;
    line-height: 1;
}

.data-fields li:last-child {
    border-bottom: none;
}

.data-note {
    background: #fff3e0;
    border-left: 4px solid var(--accent-color);
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
    font-size: 15px;
    color: var(--text-dark);
    text-align: center;
}

.download-section {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 10px;
    text-align: center;
    margin: 60px 0;
}

.download-section h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.download-section p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.download-qr {
    display: inline-block;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.download-qr-img {
    width: 200px;
    height: 200px;
    margin-bottom: 15px;
}

.download-qr p {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: bold;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .interface-tabs {
        gap: 5px;
    }
    
    .tab-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .category-content {
        padding-left: 20px;
    }
    
    .data-list-nav {
        top: 0;
    }
}

/* 关于我们页面样式 */
.about-content {
    padding: 60px 0;
}

.about-section {
    margin-bottom: 60px;
}

.about-section h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
}

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

.capability-item {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.capability-item h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.capability-item p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 10px;
}

.capability-en {
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.client-types {
    max-width: 800px;
    margin: 0 auto;
}

.client-types p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.client-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
}

.client-list {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.client-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 16px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--bg-light);
}

.client-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 20px;
    font-weight: bold;
}

.client-note {
    background: #e3f2fd;
    border-left: 4px solid var(--secondary-color);
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    font-size: 15px;
    color: var(--text-dark);
}

/* 联系我们页面样式 */
.contact-content {
    padding: 60px 0;
}

.contact-main {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-intro {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.contact-intro-en {
    font-size: 16px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 40px;
}

.contact-wechat-large {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin: 40px 0;
}

.contact-qr-large {
    width: 250px;
    height: 250px;
    margin-bottom: 20px;
}

.qr-instruction {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: bold;
    margin-bottom: 10px;
}

.qr-instruction-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
}

.contact-benefits {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
    text-align: left;
}

.contact-benefits h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

.benefits-list {
    list-style: none;
    padding-left: 0;
}

.benefits-list li {
    padding: 12px 0;
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
}

.service-info {
    margin: 60px 0;
    text-align: center;
}

.service-info h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.service-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.service-info-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.service-info-item h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-info-item p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: bold;
}

.service-info-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
}

.company-info {
    margin: 60px 0;
    text-align: center;
}

.company-info h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.company-details {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    text-align: left;
}

.company-details p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.8;
}

.company-en {
    font-size: 14px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .service-capabilities {
        grid-template-columns: 1fr;
    }
    
    .service-info-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-qr-large {
        width: 200px;
        height: 200px;
    }
}

/* 技术分享页面样式 */
.blog-content {
    padding: 60px 0;
}

.blog-post {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.post-header {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-light);
}

.post-header h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.post-header h2 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.post-header h2 a:hover {
    color: var(--secondary-color);
}

.post-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.post-date {
    color: var(--text-light);
}

.post-category {
    background: var(--bg-light);
    padding: 4px 12px;
    border-radius: 12px;
    color: var(--secondary-color);
    font-weight: bold;
}

.post-excerpt {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.post-content {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--bg-light);
}

.post-content h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-light);
}

.post-content h4 {
    font-size: 20px;
    color: var(--primary-color);
    margin: 25px 0 15px;
}

.post-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.post-content ul,
.post-content ol {
    margin: 15px 0;
    padding-left: 30px;
}

.post-content li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.post-content strong {
    color: var(--primary-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
}

.comparison-table thead {
    background: var(--primary-color);
    color: white;
}

.comparison-table th {
    padding: 15px;
    text-align: left;
    font-weight: bold;
}

.comparison-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--bg-light);
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.post-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--bg-light);
}

.post-details {
    margin-top: 20px;
}

.read-more-summary {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    list-style: none;
}

.read-more-summary::-webkit-details-marker {
    display: none;
}

.read-more-summary:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.post-details[open] .read-more-summary {
    margin-bottom: 20px;
}

.read-more-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.read-more-btn:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

@media (max-width: 768px) {
    .blog-post {
        padding: 25px;
    }
    
    .post-header h2 {
        font-size: 22px;
    }
    
    .post-content h3 {
        font-size: 20px;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px;
    }
}