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

/* 根变量定义 */
:root {
    /* 颜色系统 */
    --primary-color: #1E6BFF;
    --secondary-color: #FF6B35;
    --accent-color: #00B894;
    --dark-gray: #2D3436;
    --medium-gray: #636E72;
    --light-gray: #B2BEC3;
    --background-gray: #F5F6FA;
    --white: #FFFFFF;
    
    /* 功能色 */
    --success-color: #28A745;
    --warning-color: #FFC107;
    --error-color: #DC3545;
    --info-color: #17A2B8;
    
    /* 字体系统 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --code-font: 'JetBrains Mono', monospace;
    
    /* 间距系统 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;
    
    /* 圆角系统 */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* 阴影系统 */
    --shadow-sm: 0 2px 8px rgba(30, 107, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(30, 107, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(30, 107, 255, 0.2);
    --shadow-xl: 0 16px 64px rgba(30, 107, 255, 0.25);
    
    /* 渐变系统 */
    --gradient-primary: linear-gradient(135deg, #1E6BFF 0%, #00B894 100%);
    --gradient-secondary: linear-gradient(135deg, #FF6B35 0%, #FF9A3C 100%);
    --gradient-dark: linear-gradient(135deg, #2D3436 0%, #636E72 100%);
}

/* 基础样式 */
body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--background-gray);
    overflow-x: hidden;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1857D0;
}

/* 头部导航 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: var(--spacing-sm) 0;
    transition: all 0.3s ease;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.language-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.language-switcher:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.language-link {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.language-link:hover {
    background-color: rgba(30, 107, 255, 0.1);
}

.language-link.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.header-cta {
    margin-left: 0;
}

.header-cta .btn-primary {
    font-weight: 600;
    font-size: 14px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.header-cta .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

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

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

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

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

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

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

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.btn-link:hover {
    transform: translateX(4px);
}

.btn-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.btn-link:hover::after {
    transform: translateX(4px);
}

/* 页面标题 */
.page-title {
    color: white;
    padding: var(--spacing-xxxl) 0;
    position: relative;
    overflow: hidden;
}

.page-title .hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.page-title .hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="90" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="70" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s linear infinite;
    z-index: -1;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.page-title .container {
    position: relative;
    z-index: 1;
}

.page-title h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.page-title h1::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.page-title p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
}

/* 英雄区域 */
.hero {
    color: white;
    padding: var(--spacing-xxxl) 0;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 107, 255, 0.8) 0%, rgba(0, 86, 179, 0.9) 100%);
    z-index: -1;
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-content p {
    font-size: 24px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

/* 优势区域 */
.advantages {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--medium-gray);
    font-size: 18px;
    margin-bottom: var(--spacing-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.advantage-item {
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.advantage-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.advantage-item p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* 团队预览 */
.team-preview {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--background-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.team-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.team-card:hover .team-avatar {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.team-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
}

.team-cta {
    text-align: center;
    margin-top: var(--spacing-xxl);
}

/* 服务概览 */
.services-overview {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* 案例预览 */
.cases-preview {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--background-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

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

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.case-image {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.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-xl);
}

.case-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.case-card p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.case-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.metric-item {
    background: var(--background-gray);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    flex: 1;
    min-width: 120px;
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    display: block;
    font-size: 14px;
    color: var(--medium-gray);
}

.case-service {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.service-tag {
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.cases-cta {
    text-align: center;
    margin-top: var(--spacing-xxl);
}

/* 博客预览 */
.blog-preview {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.blog-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
    line-height: 1.4;
}

.blog-date {
    color: var(--light-gray);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.blog-excerpt {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.blog-cta {
    text-align: center;
    margin-top: var(--spacing-xxl);
}

/* 联系我们 */
.contact-section {
    padding: var(--spacing-xxxl) 0;
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="90" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="70" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s linear infinite;
}

.contact-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xxl);
}

.contact-form h2,
.contact-info h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

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

.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.contact-text h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: white;
}

.contact-text p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.business-hours h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.business-hours p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* 团队页面 */
.team-section {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.team-section .team-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.team-position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: block;
}

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

.team-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--background-gray);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
}

/* 服务页面 */
.services-section {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.service-detail {
    margin-bottom: var(--spacing-xxxl);
    padding-bottom: var(--spacing-xxxl);
    border-bottom: 1px solid rgba(30, 107, 255, 0.1);
}

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

.service-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.service-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.service-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin: var(--spacing-lg) 0;
    color: var(--dark-gray);
}

.service-description {
    color: var(--medium-gray);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.service-features h3,
.service-benefits h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
    position: relative;
    padding-left: 24px;
}

.service-features h3::before,
.service-benefits h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.service-features ul,
.service-benefits ul {
    list-style: none;
}

.service-features li,
.service-benefits li {
    padding: var(--spacing-md) 0;
    padding-left: 24px;
    position: relative;
    color: var(--medium-gray);
    line-height: 1.6;
}

.service-features li::before,
.service-benefits li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: var(--spacing-md);
    font-size: 18px;
}

.service-process h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-xxl);
    text-align: center;
    color: var(--dark-gray);
}

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

.process-step {
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.process-step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.process-step h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.process-step p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* 案例页面 */
.cases-section {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.cases-section .cases-grid {
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.testimonials {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--background-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.testimonial-content p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-style: italic;
    position: relative;
    padding: var(--spacing-lg);
    background: var(--background-gray);
    border-radius: var(--border-radius-md);
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 48px;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.testimonial-author h4 {
    font-weight: 600;
    color: var(--dark-gray);
    margin: 0;
}

.testimonial-author p {
    font-size: 14px;
    color: var(--light-gray);
    margin: 0;
    font-style: normal;
    padding: 0;
    background: none;
}

.testimonial-metrics {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.testimonial-metrics .metric {
    font-size: 14px;
    color: var(--medium-gray);
    font-weight: 500;
    background: var(--background-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
}

/* 博客页面 */
.blog-section {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

.blog-section .blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.blog-section .blog-card {
    overflow: hidden;
}

.blog-image {
    height: 200px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

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

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

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xxl);
}

.page-link {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
}

.page-link:hover,
.page-link.active {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 关于我们页面 */
.company-intro {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

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

.intro-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
    position: relative;
    padding-left: 24px;
}

.intro-text h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.intro-text p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.intro-text ul {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.intro-text li {
    margin-bottom: var(--spacing-sm);
    color: var(--medium-gray);
    line-height: 1.6;
}

.intro-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.intro-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 1;
}

.intro-image img {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 0;
}

.mission-vision {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--background-gray);
}

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

.mission-item {
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mission-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.mission-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.mission-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.mission-item p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.mission-item ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.mission-item li {
    margin-bottom: var(--spacing-sm);
    color: var(--medium-gray);
    line-height: 1.6;
}

.hainan-advantage {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--white);
}

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

.hainan-text h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
    position: relative;
    padding-left: 24px;
}

.hainan-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--gradient-secondary);
    border-radius: 50%;
}

.hainan-text p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hainan-text ul {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.hainan-text li {
    margin-bottom: var(--spacing-sm);
    color: var(--medium-gray);
    line-height: 1.6;
}

.hainan-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hainan-image img {
    width: 100%;
    height: auto;
}

.development-history {
    padding: var(--spacing-xxxl) 0;
    background-color: var(--background-gray);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xxl);
    display: flex;
}

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

.timeline-date {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.timeline-content {
    width: 45%;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.timeline-content p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* 底部 */
.footer {
    background: var(--dark-gray);
    color: white;
    padding: var(--spacing-xxxl) 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="90" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="30" cy="70" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="70" cy="30" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
}

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

.footer-info .logo-text {
    color: white;
    font-size: 28px;
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-lg);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: white;
    position: relative;
    padding-left: 20px;
}

.footer-links h4::before,
.footer-contact h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

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

.footer-links li {
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links a::before {
    content: '→';
    font-size: 12px;
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-links a:hover::before {
    transform: translateX(4px);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .contact-content,
    .service-content,
    .intro-content,
    .hainan-content {
        grid-template-columns: 1fr;
    }
    
    .cases-section .cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
    
    .hero-content h1 {
        font-size: 48px;
    }
    
    .page-title h1 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .header-cta {
        margin-left: 0;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .advantages-grid,
    .team-grid,
    .services-grid,
    .cases-grid,
    .blog-grid,
    .testimonials-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-section .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-date {
        left: 20px;
        transform: none;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h4,
    .footer-contact h4 {
        padding-left: 0;
    }
    
    .footer-links h4::before,
    .footer-contact h4::before {
        display: none;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .service-header h2 {
        font-size: 24px;
    }
}

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

.advantage-item,
.team-card,
.service-card,
.case-card,
.blog-card,
.testimonial-card,
.mission-item,
.timeline-content {
    animation: fadeIn 0.6s ease forwards;
}

.advantage-item:nth-child(1),
.team-card:nth-child(1),
.service-card:nth-child(1),
.case-card:nth-child(1),
.blog-card:nth-child(1),
.testimonial-card:nth-child(1),
.mission-item:nth-child(1),
.timeline-item:nth-child(1) .timeline-content {
    animation-delay: 0.1s;
}

.advantage-item:nth-child(2),
.team-card:nth-child(2),
.service-card:nth-child(2),
.case-card:nth-child(2),
.blog-card:nth-child(2),
.testimonial-card:nth-child(2),
.mission-item:nth-child(2),
.timeline-item:nth-child(2) .timeline-content {
    animation-delay: 0.2s;
}

.advantage-item:nth-child(3),
.team-card:nth-child(3),
.service-card:nth-child(3),
.case-card:nth-child(3),
.blog-card:nth-child(3),
.testimonial-card:nth-child(3),
.mission-item:nth-child(3),
.timeline-item:nth-child(3) .timeline-content {
    animation-delay: 0.3s;
}

/* 滚动效果 */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* 焦点样式 */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
}