/* 
 * Dojo Tech Limited 网站样式文件
 * 主要功能：实现深蓝色+橙色配色方案和响应式设计
 * 作者：SOLO Coding
 * 创建时间：2024
 */

/* CSS变量定义 - 统一管理颜色和尺寸 */
:root {
    /* 主色调 */
    --primary-blue: #1e3a8a;
    --primary-orange: #f97316;
    
    /* 辅助色 */
    --light-gray: #f8fafc;
    --dark-gray: #374151;
    --white: #ffffff;
    --border-gray: #e5e7eb;
    
    /* 字体大小 */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 圆角 */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* 导航栏样式 */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: var(--primary-blue);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-orange);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-orange);
}

/* 汉堡菜单样式 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
}

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

.btn-primary:hover {
    background-color: #ea580c;
    border-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.btn-outline:hover {
    background-color: var(--primary-orange);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1e40af 100%);
    color: var(--white);
    padding: 120px 0 80px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* 章节标题样式 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 服务概览样式 */
.services-overview {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

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

.service-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 20px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

/* 案例预览样式 */
.cases-preview {
    padding: var(--spacing-2xl) 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

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

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

.case-content {
    padding: var(--spacing-md);
}

.case-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.case-platform {
    color: var(--primary-orange);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.case-results {
    display: flex;
    gap: var(--spacing-md);
}

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

.result-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-orange);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

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

/* 客户证言样式 */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

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

.testimonial-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-orange);
    opacity: 0.3;
    font-family: serif;
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
}

.author-info h4 {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

/* CTA区域样式 */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1e40af 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 页脚样式 */
.footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-orange);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-orange);
}

.contact-info p {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.8;
}

/* 关于我们页面样式 */
.company-intro {
    padding: 4rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-content {
    padding-right: 2rem;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
}

.intro-highlights {
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    border-left: 4px solid var(--primary-orange);
}

.highlight-icon {
    font-size: 2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.highlight-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.highlight-content p {
    color: var(--dark-gray);
    margin: 0;
}

.intro-image {
    position: relative;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 公司价值观样式 */
.company-values {
    padding: 4rem 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-orange);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.value-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.value-description {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* 团队介绍样式 */
.team-section {
    padding: 4rem 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.member-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

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

.member-info {
    padding: 1.5rem;
}

.member-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.member-position {
    font-size: 1rem;
    color: var(--primary-orange);
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.member-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.expertise-tag {
    background: rgba(52, 152, 219, 0.1);
    color: var(--primary-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 公司历程时间线样式 */
.company-timeline {
    padding: 4rem 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 0 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-orange);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

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

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

.timeline-year {
    background: var(--primary-orange);
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    min-width: 80px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin: 0 2rem;
    flex: 1;
    max-width: 300px;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 2rem;
    margin-right: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 2rem;
    margin-left: 0;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端样式 */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* 英雄区域移动端样式 */
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 200px;
    }
    
    /* 网格布局移动端调整 */
    .services-grid,
    .cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* 按钮移动端样式 */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
    
    /* 页脚移动端样式 */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* 关于我们页面响应式 */
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-content {
        padding-right: 0;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 3rem;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row !important;
    }
    
    .timeline-year {
        position: absolute;
        left: -2rem;
        min-width: 60px;
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        margin: 0 !important;
        max-width: none;
    }
}

@media (max-width: 480px) {
    /* 超小屏幕优化 */
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .service-card,
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    .case-results {
        justify-content: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动行为优化 */
html {
    scroll-behavior: smooth;
}

/* 焦点样式优化 */
*:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 服务页面专用样式 */
.services-detail {
    padding: var(--spacing-2xl) 0;
}

.service-detail-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

.service-detail-section:nth-child(even) {
    background-color: var(--light-gray);
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

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

.detail-text h2 {
    font-size: var(--font-size-3xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.detail-intro {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    color: var(--dark-gray);
}

.service-highlights,
.service-process,
.service-benefits,
.service-types,
.service-advantages {
    margin-bottom: var(--spacing-xl);
}

.service-highlights h3,
.service-process h3,
.service-benefits h3,
.service-types h3,
.service-advantages h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.highlights-grid,
.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.highlight-item,
.type-item {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.highlight-item h4,
.type-item h4 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

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

.benefits-list li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 25px;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.advantage-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.advantage-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.detail-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* 服务对比表格样式 */
.services-comparison {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

.comparison-table {
    overflow-x: auto;
    margin-top: var(--spacing-xl);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-gray);
}

.comparison-table th {
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
}

.comparison-table tr:hover {
    background-color: var(--light-gray);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--primary-blue);
}

/* 案例页面专用样式 */
.cases-stats {
    padding: var(--spacing-2xl) 0;
    background-color: var(--primary-blue);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.stat-label {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* 案例筛选 */
.cases-filter {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-gray);
    background-color: var(--white);
    color: var(--dark-gray);
    border-radius: var(--border-radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-orange);
    color: var(--white);
    border-color: var(--primary-orange);
}

/* 案例展示 */
.cases-showcase {
    padding: var(--spacing-2xl) 0;
}

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

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    opacity: 1;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-card.hidden {
    display: none;
}

.case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.case-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.case-platform {
    background-color: var(--primary-orange);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.case-content {
    padding: var(--spacing-xl);
}

.case-title {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.case-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-gray);
    border-bottom: 1px solid var(--border-gray);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* 客户证言样式 */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.quote-icon {
    font-size: var(--font-size-4xl);
    color: var(--primary-orange);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--dark-gray);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author-name {
    font-size: var(--font-size-lg);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.author-title {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

.testimonial-rating {
    display: flex;
    gap: 2px;
}

.star {
    color: var(--primary-orange);
    font-size: var(--font-size-lg);
}

/* 页面头部样式 */
.page-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb-separator {
    opacity: 0.6;
}

.breadcrumb-current {
    color: var(--primary-orange);
    font-weight: 500;
}

/* 响应式设计 - 服务页面 */
@media (max-width: 768px) {
    .detail-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .detail-content.reverse {
        direction: ltr;
    }
    
    .highlights-grid,
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        gap: var(--spacing-sm);
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .advantages-list {
        gap: var(--spacing-sm);
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .comparison-table {
        font-size: var(--font-size-sm);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}

/* 响应式设计 - 案例页面 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .case-metrics {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
}

/* 联系我们页面样式 */
.contact-overview {
    padding: 4rem 0;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.contact-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.contact-detail {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* 联系表单和地图区域 */
.contact-main {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-form-section {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.form-header {
    margin-bottom: 2rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-blue);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

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

.form-error {
    display: block;
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.privacy-link {
    color: var(--primary-orange);
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 地图和信息区域 */
.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.map-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.map-placeholder {
    position: relative;
    height: 300px;
    background: #f8f9fa;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem;
    color: white;
}

.map-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.map-info p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

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

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

.additional-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-orange);
}

.info-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.info-description {
    color: var(--dark-gray);
    line-height: 1.6;
    font-size: 0.9rem;
}

.contact-methods {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.methods-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.method-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.method-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.method-content p {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* FAQ样式 */
.faq-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-orange);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

/* 表单基础样式 */
input, textarea, select {
    font-family: inherit;
    font-size: var(--font-size-base);
    padding: 12px;
    border: 2px solid var(--border-gray);
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease;
}

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