/* 驭智AI - 主样式表 */
/* CSS变量定义 */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --bg-dark: #0f0f1a;
    --bg-darker: #080810;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252540;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b7280;
    --border-color: rgba(255, 255, 255, 0.1);
    --danger: #ef4444;
    --success: #22c55e;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-hero: linear-gradient(180deg, #0f0f1a 0%, #1a1a3e 50%, #0f0f1a 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.nav-cta {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* 主横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 20px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary-color);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

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

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 区块标题 */
.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 优势区块 */
.features {
    padding: 100px 0;
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 产品预览 */
.products-preview {
    padding: 100px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.product-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.product-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.product-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.product-link:hover {
    color: var(--accent-color);
}

.section-cta {
    text-align: center;
}

/* 解决方案预览 */
.solutions-preview {
    padding: 100px 0;
    background: var(--bg-darker);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.solution-item {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.solution-item:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.solution-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.solution-item h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.solution-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* FAQ区域 */
.faq-section {
    padding: 100px 0;
}

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

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.faq-question::marker {
    display: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-secondary);
}

.faq-answer p {
    line-height: 1.7;
}

/* CTA区块 */
.cta-section {
    padding: 100px 0;
    background: var(--bg-darker);
    text-align: center;
}

.cta-section h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* 页脚 */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.6s ease-out forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }

/* 页面标题 */
.page-header {
    padding: 120px 20px 80px;
    text-align: center;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1{
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.page-header p{
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 产品详情页 */
.product-detail{
    padding: 80px 0;
}

.product-detail.alt-bg{
    background: var(--bg-darker);
}

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

.product-detail-content.reverse{
    direction: rtl;
}

.product-detail-content.reverse > *{
    direction: ltr;
}

.product-badge{
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 16px;
}

.product-detail-text h2{
    font-size: 2rem;
    margin-bottom: 16px;
}

.product-desc{
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.product-features{
    list-style: none;
    margin-bottom: 24px;
}

.product-features li{
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.check-icon{
    color: var(--accent-color);
    font-weight: bold;
}

.product-stats-inline{
    display: flex;
    gap: 40px;
    margin-bottom: 24px;
}

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

.inline-stat-number{
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.inline-stat-label{
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.product-detail-visual{
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 100%;
    max-width: 400px;
}

/* 聊天视觉 */
.chatbot-visual{
    min-height: 250px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble{
    max-width: 85%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-bubble.user{
    background: var(--gradient-primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble.bot{
    background: var(--bg-card-hover);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.typing{
    color: var(--text-muted);
    font-style: italic;
}

/* 内容生成视觉 */
.content-preview{
    background: var(--bg-card-hover);
    padding: 20px;
    border-radius: var(--radius-md);
}

.content-header{
    font-weight: 500;
    margin-bottom: 12px;
}

.content-body{
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.content-meta{
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 图表视觉 */
.chart-placeholder{
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 200px;
    padding: 20px;
}

.chart-bar{
    width: 30px;
    background: var(--gradient-primary);
    border-radius: 4px 4px 0 0;
    transition: height 0.3s ease;
}

/* 知识库视觉 */
.knowledge-tree{
    padding: 20px;
}

.knowledge-node.root{
    background: var(--gradient-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 20px;
}

.knowledge-branches{
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.knowledge-node{
    background: var(--bg-card-hover);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

/* 定价区块 */
.pricing-section{
    padding: 80px 0;
    background: var(--bg-darker);
}

.pricing-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    position: relative;
}

.pricing-card.featured{
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-badge{
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.pricing-card h3{
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-desc{
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.price{
    margin-bottom: 24px;
}

.currency{
    font-size: 1.25rem;
    vertical-align: top;
}

.amount{
    font-size: 2.5rem;
    font-weight: 700;
}

.period{
    color: var(--text-secondary);
}

.pricing-features{
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.pricing-features li{
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before{
    content: '✓';
    color: var(--accent-color);
}

/* 解决方案详情 */
.solutions-detail{
    padding: 60px 0;
}

.solution-block{
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.solution-block:last-child{
    border-bottom: none;
}

.solution-block.alt-bg{
    background: var(--bg-darker);
}

.solution-content{
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.solution-icon-large{
    font-size: 4rem;
    flex-shrink: 0;
}

.solution-info h2{
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.solution-info > p{
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.solution-usecases{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.usecase h4{
    font-size: 1rem;
    margin-bottom: 8px;
}

.usecase p{
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 案例页面 */
.cases-section{
    padding: 60px 0;
}

.cases-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.case-card{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.case-card:hover{
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-image{
    height: 160px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 16px;
}

.case-industry{
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.case-content{
    padding: 24px;
}

.case-content h3{
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.case-summary{
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.case-results{
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.case-result{
    text-align: center;
}

.result-value{
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label{
    color: var(--text-muted);
    font-size: 0.8rem;
}

.case-detail{
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 客户评价 */
.testimonials-section{
    padding: 80px 0;
    background: var(--bg-darker);
}

.testimonials-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.testimonial-card{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.testimonial-text{
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.testimonial-author{
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar{
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.author-info{
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name{
    font-weight: 500;
}

.author-title{
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 关于我们页面 */
.about-intro{
    padding: 80px 0;
}

.about-content{
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2{
    font-size: 1.75rem;
    margin-bottom: 24px;
}

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

.about-stats{
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-stat{
    text-align: center;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

/* 核心价值观 */
.values-section{
    padding: 80px 0;
    background: var(--bg-darker);
}

.values-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.value-card{
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
}

.value-icon{
    font-size: 3rem;
    margin-bottom: 16px;
}

.value-card h3{
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.value-card p{
    color: var(--text-secondary);
}

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

.timeline{
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.timeline::before{
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item{
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.timeline-dot{
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-content{
    padding-top: 8px;
}

.timeline-date{
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.timeline-content h4{
    font-size: 1.1rem;
    margin: 8px 0;
}

.timeline-content p{
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 团队 */
.team-section{
    padding: 80px 0;
    background: var(--bg-darker);
}

.team-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.team-member{
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
}

.member-avatar{
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
}

.team-member h4{
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.member-desc{
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 资质荣誉 */
.honors-section{
    padding: 80px 0;
}

.honors-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.honor-item{
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.honor-icon{
    font-size: 2rem;
}

.honor-text{
    font-size: 0.95rem;
}

/* 联系页面 */
.contact-section{
    padding: 80px 0;
}

.contact-grid{
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.contact-form-container h2{
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.contact-form-container > p{
    color: var(--text-secondary);
    margin-bottom: 32px;
}

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

.form-group label{
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.required{
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea{
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea{
    resize: vertical;
    min-height: 120px;
}

.contact-info h3{
    font-size: 1.25rem;
    margin-bottom: 24px;
}

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

.info-list li{
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-list li:last-child{
    border-bottom: none;
}

.info-icon{
    font-size: 1.5rem;
}

.info-label{
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.info-value{
    font-size: 1rem;
}

/* 响应式补充 */
@media (max-width: 992px){
    .product-detail-content,
    .product-detail-content.reverse,
    .about-content,
    .contact-grid{
        grid-template-columns: 1fr;
    }
    
    .product-detail-visual{
        order: -1;
    }
    
    .solution-content{
        flex-direction: column;
        text-align: center;
    }
    
    .solution-icon-large{
        margin: 0 auto;
    }
    
    .solution-usecases{
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured{
        transform: none;
    }
    
    .testimonials-grid{
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px){
    .cases-grid{
        grid-template-columns: 1fr;
    }
    
    .case-results{
        flex-direction: column;
        gap: 16px;
    }
    
    .about-stats{
        flex-direction: row;
        justify-content: space-around;
    }
    
    .about-stat{
        flex: 1;
    }
}

@media (max-width: 480px){
    .product-stats-inline{
        flex-direction: column;
        gap: 16px;
    }
    
    .timeline::before{
        left: 15px;
    }
    
    .timeline-dot{
        width: 32px;
        height: 32px;
    }
}

/* ===== 动态渲染新增样式 ===== */

/* 产品详情页 - 模块卡片 */
.product-modules{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.product-module{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.product-module h4{
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-module ul{
    list-style: none;
}

.product-module li{
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-module .check-icon{
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 8px;
}

/* 产品能力标签 */
.product-caps{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.cap-tag{
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* 免责声明 */
.product-disclaimer,
.solution-disclaimer,
.about-disclaimer{
    background: rgba(239, 68, 68, 0.08);
    border-left: 3px solid var(--danger);
    padding: 12px 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 16px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 适用客户 */
.product-customers{
    margin: 16px 0;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* 解决方案详情页 - 核心痛点 */
.solution-painpoints{
    margin: 20px 0;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.solution-painpoints h4{
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.solution-painpoints ul{
    list-style: none;
}

.solution-painpoints li{
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.solution-painpoints li::before{
    content: '•';
    position: absolute;
    left: 0;
    color: var(--danger);
}

/* 方案架构 */
.solution-architecture{
    margin: 20px 0;
}

.solution-architecture h4{
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.arch-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.arch-item{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.arch-item strong{
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
}

.arch-item p{
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 解决方案模块 */
.solution-modules{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.module-item{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.module-item h4{
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.module-item ul{
    list-style: none;
}

.module-item li{
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 亮点展示 */
.solution-highlights{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.highlight-item{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.highlight-item h4{
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.highlight-item ul{
    list-style: none;
}

.highlight-item li{
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    padding-left: 16px;
    position: relative;
}

.highlight-item li::before{
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* 实施路径 */
.solution-phases{
    margin: 20px 0;
}

.solution-phases h4{
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.phases-list{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.phase-item{
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
}

.phase-period{
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.phase-item ul{
    list-style: none;
}

.phase-item li{
    padding: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 预期效果 */
.solution-effects{
    margin: 20px 0;
    padding: 20px;
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
}

.solution-effects h4{
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--success);
}

.solution-effects ul{
    list-style: none;
}

.solution-effects li{
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.solution-effects li::before{
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* 方案元信息 */
.solution-meta{
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.solution-target,
.solution-value{
    color: var(--text-secondary);
}

/* Leaflet 地图 */
#map{
    height: 400px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

/* 响应式补充 */
@media (max-width: 768px){
    .product-modules,
    .solution-modules,
    .solution-highlights,
    .arch-grid,
    .phases-list{
        grid-template-columns: 1fr;
    }

    .solution-meta{
        font-size: 0.9rem;
    }

    #map{
        height: 280px;
    }
}