/* 全局样式 */
/* 优化样式类 */
.text-justified {
    text-align: justify;
    text-indent: 2em;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.optimized-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
    margin-top: 3rem;
}

.optimized-layout > div {
    display: flex;
    flex-direction: column;
    /* 移除height: 100%，让min-height能够正常生效 */
}

.intro-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.intro-text {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    height: 600px;
    overflow-y: auto;
}

.timeline-content {
    padding-left: 1.5rem;
    padding-bottom: 2rem;
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.optimized-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.optimized-photo {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.optimized-timeline {
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    border: 1px solid var(--border-color);
    height: 600px;
    display: flex;
    flex-direction: column;
}

.optimized-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 20px 0 0 20px;
}

.timeline-content {
    padding-left: 1.5rem;
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.timeline-content .lead {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.timeline-content p {
    margin-bottom: 1.2rem;
    line-height: 1.8;
    flex-shrink: 0;
}

.timeline-content ul {
    margin: 1.5rem 0;
    flex-shrink: 0;
}

.timeline-content ul li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.timeline-content ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.timeline-content .highlight {
    background: var(--light-blue);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1.5rem;
    border-left: 4px solid var(--primary-color);
    font-style: italic;
    flex-shrink: 0;
    margin-top: auto;
}

.optimized-list {
    margin-left: 2em;
    margin-bottom: 1.5rem;
}

.optimized-list li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.optimized-card {
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    background: var(--bg-primary);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-subtitle {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin: 1rem 0 0.8rem;
}

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

.stat-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

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

.department-stats {
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.optimized-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.optimized-departments {
    padding: 2rem 0;
}

.optimized-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.optimized-map {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tech: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-item {
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    white-space: nowrap;
    display: inline-block;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* 二级菜单样式 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0;
    border: 1px solid var(--border-color);
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
}

.nav-dropdown li {
    margin: 0;
}

.nav-dropdown a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-radius: 0;
}

.nav-dropdown a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* 悬浮显示二级菜单 */
.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

.language-switcher select {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: white;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主视觉Banner */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

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


/* 轮播控制按钮 */
.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 10;
    pointer-events: none;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.7);
}


.hero-content {
    text-align: center;
    color: white;
    z-index: 5;
    position: relative;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    z-index: 10;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0;
    color: var(--text-primary);
    position: relative;
}



/* 核心业务概览 */
.business-overview {
    padding: 60px 0;
    background: var(--bg-secondary);
}

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

.business-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

/* 业务卡片图标图片样式 */
.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 填充圆形区域 */
    border-radius: 50%;
    display: block;
}

.business-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.business-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

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

/* 关于我们 */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 服务统计样式 */
.service-stats {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.service-stats .stat-item {
    flex: 1;
    min-width: 120px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.service-stats .stat-number {
    font-size: 2rem;
    color: var(--primary-color);
}

.service-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 关于我们页面统计样式 */
.intro-stats {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.intro-stats .stat-item {
    flex: 1;
    min-width: 120px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.intro-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.intro-stats .stat-number {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.intro-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 服务预览图片样式 */
.service-image-preview {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
}

.preview-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.preview-image:hover {
    transform: scale(1.05);
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.service-image-preview:hover .preview-overlay {
    transform: translateY(0);
}

.preview-overlay h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.preview-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* 新的关于我们样式 */
.about-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.about-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-right: 2rem;
}

.about-text .about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-button {
    margin-top: 1rem;
}

.about-button .btn {
    background: linear-gradient(135deg, #B8860B 0%, #DAA520 100%);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
}

.about-button .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.4);
    background: linear-gradient(135deg, #DAA520 0%, #FFD700 100%);
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-background {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #06b6d4 100%);
}

.tech-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    opacity: 0.9;
}

.tech-image:hover {
    transform: scale(1.05);
}

.tech-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.3) 0%, transparent 50%),
        linear-gradient(135deg, rgba(30, 58, 138, 0.2) 0%, rgba(59, 130, 246, 0.1) 100%);
    z-index: 1;
    pointer-events: none;
}



/* 关于我们简介内容布局 */
.intro-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr; /* Three columns */
    gap: 2rem;
    align-items: start;
    margin-top: 3rem;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.intro-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.intro-photo {
    width: 100%;
    height: 600px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.intro-photo:hover {
    transform: scale(1.05);
}

.intro-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.intro-image:hover .image-overlay {
    transform: translateY(0);
}

.intro-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.intro-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.intro-text {
    padding-right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.intro-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 左侧图片样式调整 */
.intro-text .company-image {
    margin-top: 1rem;
    max-width: 100%;
}

.intro-text .company-photo {
    height: 250px;
    width: 100%;
    object-fit: cover;
    object-position: center;
}

/* 右侧统计卡片布局 */
.intro-visual .intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 0;
}

.intro-visual .intro-stats .stat-item {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.intro-visual .intro-stats .stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.intro-visual .intro-stats .stat-number {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.intro-visual .intro-stats .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 时间轴样式优化 */
.intro-visual .company-timeline {
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.intro-visual .timeline-item {
    margin-bottom: 0;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.intro-visual .timeline-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.intro-visual .timeline-year {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.intro-visual .timeline-content h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    line-height: 1.2;
}

.intro-visual .timeline-content p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
    margin: 0;
}

/* 核心价值布局 */
.values-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
    margin-top: 3rem;
}

.values-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.values-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.values-photo {
    width: 100%;
    height: 700px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.values-photo:hover {
    transform: scale(1.05);
}

.values-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.values-image:hover .image-overlay {
    transform: translateY(0);
}

.values-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.values-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 团队实力布局 */
.team-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
    margin-top: 3rem;
}

.team-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.team-image {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: fit-content;
}

.team-image .image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-image .image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.team-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.team-photo:hover {
    transform: scale(1.05);
}

.team-photo-secondary {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.team-photo-secondary:hover {
    transform: scale(1.05);
}

.team-image .image-container .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.team-image .image-container:hover .image-overlay {
    transform: translateY(0);
}

.team-image .image-container .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-image .image-container .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 团队统计卡片样式 */
.team-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.team-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
}

.team-stat .stat-icon {
    flex-shrink: 0;
}

.team-stat .stat-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.team-stat .stat-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* 部门网格样式 */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.department {
    text-align: center;
    padding: 1.5rem;
}

.department .dept-icon {
    margin-bottom: 1rem;
}

.department h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.department p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 芯片与器件网格布局 */
.chips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.chip-category {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chip-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

.chip-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.chip-photo:hover {
    transform: scale(1.05);
}

.chip-content {
    padding: 2rem;
}

.chip-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.chip-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.chip-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.chip-description {
    margin-bottom: 1.5rem;
}

.chip-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.chip-features {
    margin-bottom: 1.5rem;
}

.chip-features h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.chip-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chip-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.chip-features li i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.chip-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.spec-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.spec-value {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* 模块与组件网格布局 */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.module-category {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.module-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

.module-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.module-photo:hover {
    transform: scale(1.05);
}

.module-content {
    padding: 2rem;
}

.module-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.module-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.module-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.module-description {
    margin-bottom: 1.5rem;
}

.module-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.module-features {
    margin-bottom: 1.5rem;
}

.module-features h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.module-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.module-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.module-features li i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.module-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* 系统与整机网格布局 */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.system-category {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.system-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

.system-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.system-photo:hover {
    transform: scale(1.05);
}

.system-content {
    padding: 2rem;
}

.system-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.system-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.system-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.system-description {
    margin-bottom: 1.5rem;
}

.system-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.system-features {
    margin-bottom: 1.5rem;
}

.system-features h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.system-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.system-features li i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.system-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* 核心服务图表布局 */
.services-charts {
    margin-top: 3rem;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.chart-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.chart-header {
    text-align: center;
    margin-bottom: 2rem;
}

.chart-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* 饼图样式 */
.pie-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.pie-chart-svg {
    width: 200px;
    height: 200px;
}

.pie-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.pie-segment {
    transition: all 0.3s ease;
    stroke-linecap: round;
}

.pie-segment:hover {
    stroke-width: 25;
    filter: brightness(1.1);
}

.pie-legend {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.legend-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-label {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.legend-value {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* 流程图样式 */
.flow-chart {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

/* 增强版服务流程样式 */
.enhanced-flow-chart {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem 0;
    flex-wrap: wrap;
    position: relative;
}

.enhanced-step {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 15px;
    padding: 1rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.enhanced-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.enhanced-step:hover::before {
    transform: scaleX(1);
}

.enhanced-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.step-number {
    position: absolute;
    top: -8px;
    right: 15px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    z-index: 2;
}

.enhanced-step .step-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin: 0 auto 0.8rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
}

.enhanced-step:hover .step-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.enhanced-step .step-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    text-align: center;
}

.enhanced-step .step-content p {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
}

.step-details {
    background: rgba(37, 99, 235, 0.05);
    border-radius: 6px;
    padding: 0.6rem;
    border-left: 2px solid var(--primary-color);
}

.step-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.step-details li {
    color: var(--text-secondary);
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 8px;
    position: relative;
    padding-left: 1.2rem;
    flex: 1;
    min-width: 0;
}

.step-details li::before {
    content: '✓';
    position: absolute;
    left: 0.4rem;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.6rem;
}

.enhanced-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 40px;
    height: 40px;
}

.arrow-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    z-index: 1;
}

.enhanced-arrow i {
    background: white;
    color: var(--primary-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    z-index: 2;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--primary-color);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.step-icon:hover {
    transform: scale(1.1);
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.step-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

.flow-arrow {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin: 0 0.5rem;
}

/* 柱状图样式 */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bar-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    width: 80px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.bar-container {
    flex: 1;
    height: 30px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    transition: width 1s ease;
    animation: barFill 2s ease-out;
}

.bar-value {
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

@keyframes barFill {
    from { width: 0; }
    to { width: var(--target-width); }
}

/* 网络图样式 */
.network-chart {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.center-node {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.center-node:hover {
    transform: scale(1.05);
}

.center-node i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.center-node span {
    font-size: 0.8rem;
    font-weight: 600;
}

.network-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.network-node {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.network-node:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.network-node.asia {
    top: 20px;
    left: 20px;
}

.network-node.americas {
    top: 20px;
    right: 20px;
}

.network-node.europe {
    bottom: 20px;
    left: 20px;
}

.network-node.oceania {
    bottom: 20px;
    right: 20px;
}

.network-node i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.network-node span {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.1rem;
}

.node-stats {
    font-size: 0.6rem;
    color: var(--text-secondary);
}

.network-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0.6;
    animation: pulse 2s infinite;
}

.connection.asia-center {
    top: 60px;
    left: 100px;
    width: 80px;
    transform: rotate(-45deg);
}

.connection.americas-center {
    top: 60px;
    right: 100px;
    width: 80px;
    transform: rotate(45deg);
}

.connection.europe-center {
    bottom: 60px;
    left: 100px;
    width: 80px;
    transform: rotate(45deg);
}

.connection.oceania-center {
    bottom: 60px;
    right: 100px;
    width: 80px;
    transform: rotate(-45deg);
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* 产品页面布局 */
.advantages-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 3rem;
}

.chips-content,
.modules-content,
.systems-content,
.advantages-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chips-image,
.modules-image,
.systems-image,
.advantages-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.chips-photo,
.modules-photo,
.systems-photo,
.advantages-photo {
    width: 100%;
    height: 350px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.chips-photo:hover,
.modules-photo:hover,
.systems-photo:hover,
.advantages-photo:hover {
    transform: scale(1.05);
}

.chips-image .image-overlay,
.modules-image .image-overlay,
.systems-image .image-overlay,
.advantages-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.chips-image:hover .image-overlay,
.modules-image:hover .image-overlay,
.systems-image:hover .image-overlay,
.advantages-image:hover .image-overlay {
    transform: translateY(0);
}

.chips-image .overlay-content h3,
.modules-image .overlay-content h3,
.systems-image .overlay-content h3,
.advantages-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.chips-image .overlay-content p,
.modules-image .overlay-content p,
.systems-image .overlay-content p,
.advantages-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 服务页面布局 */
.services-layout,
.process-layout,
.cases-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 3rem;
}

.services-content,
.process-content,
.cases-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.services-image,
.process-image,
.cases-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.services-photo,
.process-photo,
.cases-photo {
    width: 100%;
    height: 350px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.services-photo:hover,
.process-photo:hover,
.cases-photo:hover {
    transform: scale(1.05);
}

.services-image .image-overlay,
.process-image .image-overlay,
.cases-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.services-image:hover .image-overlay,
.process-image:hover .image-overlay,
.cases-image:hover .image-overlay {
    transform: translateY(0);
}

.services-image .overlay-content h3,
.process-image .overlay-content h3,
.cases-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.services-image .overlay-content p,
.process-image .overlay-content p,
.cases-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 服务流程图片样式 */
.service-flow-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    margin-top: 1rem;
}

.flow-photo {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.flow-photo:hover {
    transform: scale(1.05);
}

/* 联系卡片网格布局 */
.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.contact-card .card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.contact-card .card-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.contact-card:hover .card-icon::before {
    transform: translateX(100%);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-details {
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.contact-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.contact-btn:active {
    transform: translateY(0);
}

/* 办事处列表布局 */
.office-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.office-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.office-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.office-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: width 0.3s ease;
}

.office-item:hover::before {
    width: 6px;
}

.office-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.office-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.office-type {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.office-details {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
}

.detail-row i {
    width: 16px;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.detail-row span {
    color: var(--text-secondary);
    flex: 1;
}

.office-services {
    margin-top: 0.5rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.office-services strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 联系页面布局 */
.offices-layout,
.faq-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 3rem;
}

/* 全球办事处网格布局 */
.offices-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.office-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.office-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.office-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: width 0.3s ease;
}

.office-card:hover::before {
    width: 6px;
}

.office-content {
    flex: 1;
}

.office-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 200px;
}

.office-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.office-card:hover .office-photo {
    transform: scale(1.05);
}

.offices-content,
.faq-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.offices-image {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: fit-content;
}

.image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.offices-photo {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.offices-photo:hover {
    transform: scale(1.05);
}

.offices-photo-secondary {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.offices-photo-secondary:hover {
    transform: scale(1.05);
}

.faq-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.faq-photo {
    width: 100%;
    height: 350px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.faq-photo:hover {
    transform: scale(1.05);
}

.image-container .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.image-container:hover .image-overlay {
    transform: translateY(0);
}

.faq-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.faq-image:hover .image-overlay {
    transform: translateY(0);
}

.image-container .overlay-content h3,
.faq-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.image-container .overlay-content p,
.faq-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 服务概览内容布局 */
.overview-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr; /* Two columns with image taking more space */
    gap: 2rem;
    align-items: start;
    margin-top: 3rem;
}

.overview-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.overview-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
    width: fit-content;
}

.overview-photo {
    width: 600px !important;
    height: 350px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.overview-photo:hover {
    transform: scale(1.05);
}

.overview-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.overview-image:hover .image-overlay {
    transform: translateY(0);
}

.overview-image .overlay-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.overview-image .overlay-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.overview-text {
    padding-right: 2rem;
}

.overview-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.values {
    display: grid;
    gap: 1.5rem;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.value-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.value-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    white-space: nowrap; /* 标题不换行 */
}

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

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

.tech-animation {
    width: 300px;
    height: 300px;
    position: relative;
}

.circuit-board {
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.circuit-line {
    position: absolute;
    background: var(--accent-color);
    border-radius: 2px;
    animation: circuitFlow 3s ease-in-out infinite;
}

.circuit-line:nth-child(1) {
    width: 200px;
    height: 3px;
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.circuit-line:nth-child(2) {
    width: 3px;
    height: 150px;
    top: 100px;
    right: 80px;
    animation-delay: 1s;
}

.circuit-line:nth-child(3) {
    width: 180px;
    height: 3px;
    bottom: 80px;
    left: 60px;
    animation-delay: 2s;
}

@keyframes circuitFlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 为什么选择山川 */
.why-choose-yamakawa {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.why-choose-yamakawa::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.why-choose-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-right: 2rem;
}

.why-choose-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.why-choose-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.point-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.point-group h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    line-height: 1.4;
    position: relative;
    padding-left: 1.5rem;
}



.point-group p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: justify;
    margin-left: 1.5rem;
}

.why-choose-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tech-visual-container {
    position: relative;
    width: 100%;
    height: 600px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #06b6d4 100%);
}

.tech-visual-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    opacity: 0.9;
}

.tech-visual-image:hover {
    transform: scale(1.05);
}

.tech-visual-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.3) 0%, transparent 50%),
        linear-gradient(135deg, rgba(30, 58, 138, 0.2) 0%, rgba(59, 130, 246, 0.1) 100%);
    z-index: 1;
    pointer-events: none;
}



/* 全球生态合作 */
.global-cooperation {
    padding: 80px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.global-cooperation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.cooperation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cooperation-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-right: 2rem;
}

.cooperation-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cooperation-description {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cooperation-description p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: justify;
    text-indent: 2em;
}

.cooperation-images {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.cooperation-image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.cooperation-image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.cooperation-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.cooperation-image:hover {
    transform: scale(1.05);
}

/* 产品与解决方案 */
.products {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.product-item {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-item p {
    flex-grow: 1;
}

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

.product-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 国际化业务支持 */
.services {
    padding: 60px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card p {
    flex-grow: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 新闻动态 */
.news {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.news-item {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-item p {
    flex-grow: 1;
}

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

.news-item.featured {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.news-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.news-image i {
    font-size: 4rem;
    color: white;
}

.news-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.news-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.news-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* 客户案例 */
.case-studies {
    padding: 100px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-item p {
    flex-grow: 1;
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.case-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.case-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.case-stats .stat {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* 行业应用 */
.industries {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.industry-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.industry-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.industry-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.industry-item span {
    font-weight: 500;
    color: var(--text-primary);
}

/* 全球网络 */
.network {
    padding: 100px 0;
}

.network-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.map-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    background: var(--bg-secondary);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.world-map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.map-svg {
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.location {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.location:hover {
    transform: scale(1.1);
}

.location:hover .location-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-10px);
}

.location-marker {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: 3px solid white;
    position: relative;
    animation: pulse 2s infinite;
}

.location-marker::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--primary-color);
    opacity: 0.3;
    animation: ripple 2s infinite;
}

.location-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    background: white;
    padding: 4px 12px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.location-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 20;
    min-width: 200px;
    text-align: center;
}

.location-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: white;
}

.location-tooltip h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.location-tooltip p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* 根据实际地理位置调整坐标 */
.osaka { top: 25%; left: 78%; } /* 日本大阪 */
.beijing { top: 20%; left: 72%; } /* 中国北京 */
.miami { top: 45%; left: 18%; } /* 美国迈阿密 */
.rio { top: 75%; left: 28%; } /* 巴西里约热内卢 */
.lima { top: 70%; left: 22%; } /* 秘鲁利马 */
.madrid { top: 30%; left: 48%; } /* 西班牙马德里 */
.melbourne { top: 85%; left: 82%; } /* 澳大利亚墨尔本 */

.network-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.network-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-item span {
    font-weight: 500;
    color: var(--text-primary);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: var(--bg-secondary);
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.contact-info-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-method i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-method h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-method p {
    color: var(--text-secondary);
}

.online-support {
    margin-top: 2rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: var(--accent-color);
}

.footer-section p {
    color: #94a3b8;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-copyright {
    color: #94a3b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 移动端二级菜单样式 */
    .nav-dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        background: rgba(0, 123, 255, 0.1);
        margin: 0.5rem 0;
        border-radius: 5px;
        padding: 0.5rem 0;
    }

    .nav-dropdown::before {
        display: none;
    }

    .nav-dropdown a {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .nav-dropdown a:hover {
        transform: none;
        background: var(--primary-color);
        color: white;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .carousel-controls {
        padding: 0 1rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .carousel-indicators {
        bottom: 20px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* 为什么选择山川响应式 */
    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .why-choose-text {
        padding-right: 0;
    }

    .why-choose-title {
        font-size: 2.2rem;
    }

    .point-group h3 {
        font-size: 1.1rem;
    }

    .point-group p {
        font-size: 1rem;
        margin-left: 1rem;
    }

    .tech-visual-container {
        height: 400px;
    }

    .network-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .business-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-item.featured {
        grid-row: span 1;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .business-card,
    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* 公司概述样式 */
.company-overview {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.company-overview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.overview-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.overview-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: justify;
    text-indent: 2em;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.overview-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.overview-text:hover::before {
    transform: scaleX(1);
}

.overview-text:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* 二级页面样式 */
.page-header {
    background: url('img/公司大门.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 联系我们页面特定样式 */
.contact-header {
    background: url('img/联系我们 主图.avif');
    background-size: 100% 100% !important;  /* 确保覆盖继承 */
    background-position: center;
    background-repeat: no-repeat;
}

/* 产品方案页面特定样式 */
.products-header {
    background: url('img/解决方案.avif');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 关于我们页面特定样式 */
.about-header {
    background: url('img/会社概要 主图.avif');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* 业务支持页面特定样式 */
.services-header {
    background: url('img/国际化服务 主图.avif');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.page-header::before {
    content: '';
    

    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: headerFloat 20s ease-in-out infinite;
}

.page-header::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"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.2;
    animation: gridMove 30s linear infinite;
}

@keyframes headerFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

.page-header .header-content {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #ffffff, #f0f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

.page-header p {
    font-size: 1.4rem;
    opacity: 0.95;
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

@keyframes titleGlow {
    0% { filter: brightness(1); }
    100% { filter: brightness(1.2); }
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.breadcrumb a:hover {
    opacity: 0.7;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

/* 导航栏激活状态 */
.nav-link.active {
    color: var(--primary-color);
}

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

/* 高级卡片样式 */
.advanced-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.advanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advanced-card:hover::before {
    opacity: 1;
}

.advanced-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 8px 16px rgba(0, 0, 0, 0.1);
}

/* 渐变背景区域 */
.gradient-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.gradient-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(147, 51, 234, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* 高级按钮样式 */
.btn-advanced {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-advanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-advanced:hover::before {
    left: 100%;
}

.btn-advanced:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* 高级图标样式 */
.icon-advanced {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.icon-advanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.icon-advanced:hover::before {
    opacity: 1;
}

/* 高级标题样式 */
.title-advanced {
    font-size: 2.5rem;
    font-weight: 800;
    background: black;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
}



/* 统计徽章样式 */
.stat-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0.25rem;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.stat-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* 价值特性列表样式 */
.value-features {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.value-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.value-features li i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* 高级网格布局 */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.overview-card {
    text-align: center;
    padding: 2rem;
}

.overview-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.overview-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-stats {
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

/* 涟漪效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 动画进入效果 */
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* 页面加载动画 */
body:not(.loaded) .advanced-card,
body:not(.loaded) .title-advanced,
body:not(.loaded) .icon-advanced {
    opacity: 0;
    transform: translateY(30px);
}

body.loaded .advanced-card,
body.loaded .title-advanced,
body.loaded .icon-advanced {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 图片样式 */
.company-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.company-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.company-photo:hover {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.company-image:hover .image-overlay {
    transform: translateY(0);
}

.overlay-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.overlay-content p {
    font-size: 1rem;
    opacity: 0.9;
}

/* 章节头部图片 */
.section-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.section-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.product-image,
.service-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.product-image:hover,
.service-image:hover {
    transform: scale(1.05);
}

/* 联系表单图片 */
.form-image {
    margin-top: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-form-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.contact-form-image:hover {
    transform: scale(1.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-header {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .company-photo {
        height: 250px;
    }
    
    .product-image,
    .service-image {
        height: 200px;
    }
    
    .contact-form-image {
        height: 150px;
    }
    
    .image-overlay {
        padding: 1.5rem;
    }
    
    .overlay-content h3 {
        font-size: 1.2rem;
    }
    
    .overlay-content p {
        font-size: 0.9rem;
    }
    
    /* 服务概览响应式 */
    .overview-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .overview-text {
        padding-right: 0;
    }
    
    .service-stats {
        gap: 0.5rem;
    }
    
    .service-stats .stat-item {
        min-width: 100px;
        padding: 0.8rem;
    }
    
    .service-stats .stat-number {
        font-size: 1.5rem;
    }
    
    .service-stats .stat-label {
        font-size: 0.7rem;
    }
    
    .preview-image {
        height: 150px;
    }
    
    .preview-overlay {
        padding: 1rem;
    }
    
    .preview-overlay h3 {
        font-size: 1rem;
    }
    
    .preview-overlay p {
        font-size: 0.8rem;
    }
    
    /* 关于我们页面响应式 */
    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-text {
        padding-right: 0;
        gap: 1.5rem;
    }
    
    .intro-text .company-photo {
        height: 200px;
    }
    
    .intro-visual .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .intro-visual .intro-stats .stat-item {
        padding: 0.8rem;
    }
    
    .intro-visual .intro-stats .stat-number {
        font-size: 1.5rem;
    }
    
    .intro-visual .intro-stats .stat-label {
        font-size: 0.7rem;
    }
    
    .intro-visual .company-timeline {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .intro-visual .timeline-item {
        padding: 0.6rem;
        margin-bottom: 0;
        min-height: 100px;
    }
    
    .intro-visual .timeline-year {
        font-size: 0.8rem;
    }
    
    .intro-visual .timeline-content h4 {
        font-size: 0.8rem;
    }
    
    .intro-visual .timeline-content p {
        font-size: 0.7rem;
    }
    
    /* 核心价值响应式 */
    .values-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .values-content {
        gap: 1rem;
    }
    
    .values-photo {
        height: 400px;
    }
    
    .values-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .values-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    /* 团队实力响应式 */
    .team-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-content {
        gap: 1rem;
    }
    
    .team-photo {
        height: 250px;
    }
    
    .team-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .team-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    .departments-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .team-stat {
        padding: 1rem;
    }
    
    .team-stat .stat-info h4 {
        font-size: 1rem;
    }
    
    .team-stat .stat-info p {
        font-size: 0.8rem;
    }
    
    /* 公司简介响应式 */
    .intro-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intro-photo {
        height: 400px;
    }
    
    /* 团队图片响应式 */
    .team-image {
        gap: 1rem;
    }
    
    .team-photo {
        height: 250px;
    }
    
    .team-photo-secondary {
        height: 300px;
    }
    
    .team-image .image-container .overlay-content h3 {
        font-size: 1rem;
    }
    
    .team-image .image-container .overlay-content p {
        font-size: 0.8rem;
    }
    
    .intro-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .intro-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    /* 服务概览响应式 */
    .overview-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .overview-photo {
        width: 100%;
        height: 350px;
    }
    
    .overview-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .overview-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    /* 产品页面响应式 */
    /* 芯片网格响应式 */
    .chips-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chip-image {
        height: 150px;
    }
    
    .chip-content {
        padding: 1.5rem;
    }
    
    .chip-header h3 {
        font-size: 1.3rem;
    }
    
    .chip-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    /* 模块网格响应式 */
    .modules-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .module-image {
        height: 150px;
    }
    
    .module-content {
        padding: 1.5rem;
    }
    
    .module-header h3 {
        font-size: 1.3rem;
    }
    
    .module-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    /* 系统网格响应式 */
    .systems-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .system-image {
        height: 150px;
    }
    
    .system-content {
        padding: 1.5rem;
    }
    
    .system-header h3 {
        font-size: 1.3rem;
    }
    
    .system-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    /* 图表响应式 */
    .charts-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chart-container {
        padding: 1.5rem;
    }
    
    .chart-header h3 {
        font-size: 1.3rem;
    }
    
    .pie-chart-svg {
        width: 150px;
        height: 150px;
    }
    
    .flow-chart {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .flow-step {
        min-width: auto;
    }
    
    /* 增强版流程响应式 */
    .enhanced-flow-chart {
        flex-direction: column;
        gap: 2rem;
    }
    
    .enhanced-step {
        min-width: auto;
        max-width: none;
        padding: 1rem;
    }
    
    .step-number {
        top: -6px;
        right: 12px;
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .enhanced-step .step-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .enhanced-step .step-content h4 {
        font-size: 1rem;
    }
    
    .step-details {
        padding: 0.5rem;
    }
    
    .step-details ul {
        flex-direction: column;
        gap: 0.2rem;
    }
    
    .step-details li {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
        padding-left: 1rem;
    }
    
    .enhanced-arrow {
        min-width: 30px;
        height: 30px;
    }
    
    .enhanced-arrow i {
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }
    
    .bar-label {
        width: 60px;
        font-size: 0.8rem;
    }
    
    .network-chart {
        height: 250px;
    }
    
    .center-node {
        width: 100px;
        height: 100px;
    }
    
    .center-node i {
        font-size: 1.5rem;
    }
    
    .center-node span {
        font-size: 0.7rem;
    }
    
    .network-node {
        width: 60px;
        height: 60px;
    }
    
    .network-node i {
        font-size: 1rem;
    }
    
    .network-node span {
        font-size: 0.6rem;
    }
    
    .node-stats {
        font-size: 0.5rem;
    }
    
    .advantages-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .chips-photo,
    .modules-photo,
    .systems-photo,
    .advantages-photo {
        height: 250px;
    }
    
    .chips-image .overlay-content h3,
    .modules-image .overlay-content h3,
    .systems-image .overlay-content h3,
    .advantages-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .chips-image .overlay-content p,
    .modules-image .overlay-content p,
    .systems-image .overlay-content p,
    .advantages-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    /* 服务页面响应式 */
    .services-layout,
    .process-layout,
    .cases-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-photo,
    .process-photo,
    .cases-photo {
        height: 250px;
    }
    
    .services-image .overlay-content h3,
    .process-image .overlay-content h3,
    .cases-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    .services-image .overlay-content p,
    .process-image .overlay-content p,
    .cases-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    .flow-photo {
        height: 150px;
    }
    
    /* 联系页面响应式 */
    .offices-layout,
    .faq-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .offices-photo,
    .faq-photo {
        height: 250px;
    }
    
    .offices-image .overlay-content h3,
    .faq-image .overlay-content h3 {
        font-size: 1rem;
    }
    
    /* 全球办事处网格响应式 */
    .offices-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .office-card {
        padding: 1rem;
    }
    
    .office-image {
        height: 180px;
    }
    
    .office-header h3 {
        font-size: 1.1rem;
    }
    
    .office-type {
        padding: 0.2rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .offices-image .overlay-content p,
    .faq-image .overlay-content p {
        font-size: 0.8rem;
    }
    
    /* 联系卡片响应式 */
    .contact-cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-card .card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .contact-card h3 {
        font-size: 1.3rem;
    }
    
    .contact-card p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .detail-label,
    .detail-value {
        font-size: 0.8rem;
    }
    
    .contact-btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.8rem;
    }
    
    /* 办事处列表响应式 */
    .office-item {
        padding: 1rem;
    }
    
    .office-header h3 {
        font-size: 1.1rem;
    }
    
    .office-type {
        padding: 0.2rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .detail-row {
        font-size: 0.8rem;
        gap: 0.6rem;
    }
    
    .detail-row i {
        width: 14px;
        font-size: 0.8rem;
    }
    
    .office-services {
        font-size: 0.8rem;
    }
    
    /* 办事处图片响应式 */
    .offices-image {
        gap: 1rem;
    }
    
    .offices-photo {
        height: 180px;
    }
    
    .offices-photo-secondary {
        height: 120px;
    }
    
    .image-container .overlay-content h3 {
        font-size: 1rem;
    }
    
    .image-container .overlay-content p {
        font-size: 0.8rem;
    }
}

/* 平板设备响应式 */
@media (max-width: 1024px) and (min-width: 769px) {
    .intro-visual .company-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .intro-visual .timeline-item {
        min-height: 110px;
    }
    
    /* 核心价值平板布局 */
    .values-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .values-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .values-photo {
        height: 600px;
    }
    
    /* 团队实力平板布局 */
    .team-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .team-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .team-photo {
        height: 300px;
    }
    
    .departments-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    /* 公司简介平板布局 */
    .intro-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .intro-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .intro-photo {
        height: 500px;
    }
    
    /* 团队图片平板响应式 */
    .team-photo {
        height: 280px;
    }
    
    .team-photo-secondary {
        height: 350px;
    }
    
    /* 服务概览平板布局 */
    .overview-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .overview-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .overview-photo {
        width: 100%;
        height: 400px;
    }
    
    /* 产品页面平板布局 */
    /* 芯片网格平板响应式 */
    .chips-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chip-image {
        height: 180px;
    }
    
    /* 模块网格平板响应式 */
    .modules-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .module-image {
        height: 180px;
    }
    
    /* 系统网格平板响应式 */
    .systems-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .system-image {
        height: 180px;
    }
    
    /* 图表平板响应式 */
    .charts-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chart-container {
        padding: 1.8rem;
    }
    
    .pie-chart-svg {
        width: 180px;
        height: 180px;
    }
    
    .flow-chart {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .flow-step {
        min-width: 140px;
    }
    
    .step-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
    
    .flow-arrow {
        transform: none;
        margin: 0 0.5rem;
    }
    
    .network-chart {
        height: 280px;
    }
    
    .center-node {
        width: 110px;
        height: 110px;
    }
    
    .network-node {
        width: 70px;
        height: 70px;
    }
    
    .advantages-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .chips-image,
    .modules-image,
    .systems-image,
    .advantages-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .chips-photo,
    .modules-photo,
    .systems-photo,
    .advantages-photo {
        height: 300px;
    }
    
    /* 服务页面平板布局 */
    .services-layout,
    .process-layout,
    .cases-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .services-image,
    .process-image,
    .cases-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .services-photo,
    .process-photo,
    .cases-photo {
        height: 300px;
    }
    
    .flow-photo {
        height: 180px;
    }
    
    /* 联系页面平板布局 */
    .offices-layout,
    .faq-layout {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .offices-image,
    .faq-image {
        grid-column: 1 / -1;
        order: -1;
    }
    
    .offices-photo {
        height: 200px;
    }
    
    /* 全球办事处网格平板布局 */
    .offices-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .office-card {
        padding: 1.2rem;
    }
    
    .office-image {
        height: 190px;
    }
    
    .offices-photo-secondary {
        height: 150px;
    }
    
    .faq-photo {
        height: 300px;
    }
    
    /* 联系卡片平板布局 */
    .contact-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .contact-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 关于我们页面联系我们部分 */
.contact-us-section {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact-us-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.contact-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.contact-us-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-right: 2rem;
}

.contact-us-text h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.client-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.client-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.client-list li::before {
    content: '•';
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.client-list li:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.client-list li:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.cooperation-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.cooperation-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.contact-us-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.contact-us-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.contact-us-photo {
    width: 100%;
    height: 500px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.contact-us-photo:hover {
    transform: scale(1.05);
}

.contact-us-image .image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.contact-us-image:hover .image-overlay {
    transform: translateY(0);
}

.contact-us-image .overlay-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-us-image .overlay-content p {
    font-size: 1rem;
    opacity: 0.9;
    color: white;
}

/* 联系我们部分响应式设计 */
@media (max-width: 1024px) {
    .contact-us-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-us-text {
        padding-right: 0;
    }
    
    .contact-us-text h3 {
        font-size: 1.8rem;
    }
    
    .contact-us-photo {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .contact-us-section {
        padding: 60px 0;
    }
    
    .contact-us-content {
        gap: 2rem;
    }
    
    .contact-us-text h3 {
        font-size: 1.5rem;
    }
    
    .client-list li {
        padding: 0.8rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .client-list li::before {
        font-size: 1.2rem;
    }
    
    .cooperation-text {
        font-size: 1rem;
        padding: 1.5rem;
    }
    
    .contact-us-photo {
        height: 300px;
    }
    
    .contact-us-image .overlay-content h3 {
        font-size: 1.2rem;
    }
    
    .contact-us-image .overlay-content p {
        font-size: 0.9rem;
    }
}

/* 团队与专业能力部分 */
.team-expertise-section {
    padding: 80px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.team-expertise-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.team-expertise-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.team-expertise-images {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.team-image-top,
.team-image-bottom {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-image-top:hover,
.team-image-bottom:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.team-expertise-photo {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.team-expertise-photo:hover {
    transform: scale(1.05);
}

.team-expertise-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-left: 2rem;
}

.expertise-title-container {
    position: relative;
    margin-bottom: 1rem;
}

.expertise-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    padding: 1rem 2rem;
    color: #000;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.expertise-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.expertise-title:hover::before {
    left: 100%;
}

.expertise-description {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.expertise-description p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: justify;
    text-indent: 2em;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.expertise-description p::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.expertise-description p:hover::before {
    transform: scaleX(1);
}

.expertise-description p:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* 团队与专业能力响应式设计 */
@media (max-width: 1024px) {
    .team-expertise-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .team-expertise-text {
        padding-left: 0;
    }
    
    .expertise-title {
        font-size: 2rem;
    }
    
    .expertise-description p {
        font-size: 1rem;
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .team-expertise-section {
        padding: 60px 0;
    }
    
    .team-expertise-content {
        gap: 2rem;
    }
    
    .team-expertise-images {
        gap: 1.5rem;
    }
    
    .team-expertise-photo {
        height: 200px;
    }
    
    .expertise-title {
        font-size: 1.6rem;
        padding: 0.8rem 1.5rem;
    }
    
    .expertise-description {
        gap: 1rem;
    }
    
    .expertise-description p {
        font-size: 0.95rem;
        padding: 1.2rem;
        text-indent: 1.5em;
    }
}

@media (max-width: 480px) {
    .team-expertise-section {
        padding: 40px 0;
    }
    
    .team-expertise-content {
        gap: 1.5rem;
    }
    
    .team-expertise-images {
        gap: 1rem;
    }
    
    .team-expertise-photo {
        height: 180px;
    }
    
    .expertise-title {
        font-size: 1.3rem;
        padding: 0.6rem 1rem;
    }
    
    .expertise-description p {
        font-size: 0.9rem;
        padding: 1rem;
        text-indent: 1em;
    }
}

/* 公司介绍部分 */
.company-intro-section {
    padding: 40px 0;
    background: var(--bg-primary);
    position: relative;
}

.company-intro-section .container {
    padding: 0;
    text-align: center;
}

.company-intro-content {
    max-width: fit-content;
    margin: 0 ;
    padding: 0;
    display: inline-block;
    text-align: left;
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--text-primary);
    letter-spacing: 0.3px;
    font-weight: 400;
    white-space: pre-line;
    text-indent: 2em;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-primary);
    margin: 0;
    text-align: left;
    text-indent: 0;
    display: inline-block;
    border: none;
    background: transparent;
}

/* 使命愿景价值观部分 */
.mission-vision-values {
    position: relative;
    overflow: hidden;
}

/* 图片部分 */
.mvv-image-section {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    overflow: hidden;
}

.mvv-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.mvv-hero-image:hover {
    transform: scale(1.05);
}

/* 内容部分 - 黑底 */
.mvv-content-section {
    background: #000000;
    padding: 80px 0;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.mvv-content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.mvv-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.mvv-left-column {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.mvv-right-column {
    display: flex;
    flex-direction: column;
}

.mvv-item {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: none;
    position: relative;
    overflow: visible;
}

.mvv-item::before {
    display: none;
}

.mvv-item:hover {
    transform: none;
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.mvv-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0;
}

.mvv-title::after {
    display: none;
}

.mvv-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #ffffff;
    margin-bottom: 0;
    text-align: left;
}

/* 价值观列表样式 */
.values-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.value-item {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: none;
    position: relative;
    overflow: visible;
}

.value-item::before {
    display: none;
}

.value-item:hover {
    background: transparent;
    border-color: transparent;
    transform: none;
}

.value-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 0;
}

.value-item h4::before {
    display: none;
}

.value-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: #ffffff;
    margin: 0;
}

/* 公司介绍响应式设计 */
@media (max-width: 1024px) {
    .company-intro-section {
        padding: 60px 0;
    }
    
    .company-intro-content {
        padding: 0 1.5rem;
    }
    
    .intro-text {
        font-size: 1.05rem;
        line-height: 1.9;
    }
}

@media (max-width: 768px) {
    .company-intro-section {
        padding: 50px 0;
    }
    
    .company-intro-content {
        padding: 0 1rem;
    }
    
    .intro-text {
        font-size: 1rem;
        line-height: 1.8;
        text-indent: 1.5em;
    }
}

@media (max-width: 480px) {
    .company-intro-section {
        padding: 40px 0;
    }
    
    .intro-text {
        font-size: 0.95rem;
        line-height: 1.7;
        text-indent: 1em;
    }
}

/* 使命愿景价值观响应式设计 */
@media (max-width: 1024px) {
    .mvv-content-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .mvv-content-section {
        padding: 60px 0;
    }
    
    .mvv-title {
        font-size: 1.6rem;
    }
    
    .mvv-description {
        font-size: 1rem;
    }
    
    .value-item h4 {
        font-size: 1.1rem;
    }
    
    .value-item p {
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    .mvv-image-section {
        height: 50vh;
        min-height: 300px;
    }
    
    .mvv-content-section {
        padding: 50px 0;
    }
    
    .mvv-content-grid {
        gap: 2.5rem;
    }
    
    .mvv-left-column {
        gap: 2rem;
    }
    
    .mvv-title {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    
    .mvv-description {
        font-size: 0.95rem;
    }
    
    .values-list {
        gap: 1.5rem;
    }
    
    .value-item h4 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .value-item p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .mvv-image-section {
        height: 40vh;
        min-height: 250px;
    }
    
    .mvv-content-section {
        padding: 40px 0;
    }
    
    .mvv-content-grid {
        gap: 2rem;
    }
    
    .mvv-left-column {
        gap: 1.5rem;
    }
    
    .mvv-title {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .mvv-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .values-list {
        gap: 1.2rem;
    }
    
    .value-item h4 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }
    
    .value-item p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
}

/* 行业应用页面样式 */
/* 行业应用页面样式 */
.industries-header {
    background: url('img/雷达.png');
    background-size: 100% 100% !important;  /* 确保覆盖继承 */
    background-position: center;
    background-repeat: no-repeat;
    /* 移除fixed避免移动端问题，如不需要视差效果 */
    /* background-attachment: fixed; */
}

.industries-overview {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    width: 1200px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* 行业导航卡片 */
.industry-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.industry-nav-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.industry-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.industry-nav-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.industry-nav-card:hover .industry-nav-icon {
    transform: scale(1.1) rotate(5deg);
}

.industry-nav-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.industry-nav-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 行业详情区域 */
.industry-detail {
    padding: 60px 0;
    background: white;
}

.industry-detail.alt {
    background: var(--bg-secondary);
}

.industry-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.industry-content.reverse {
    grid-template-columns: 1fr 1.5fr;
}

.industry-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.industry-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    width: fit-content;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.industry-badge i {
    font-size: 1.2rem;
}

.industry-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.industry-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* 应用列表 */
.application-list {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.application-list h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.application-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.application-list li {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.application-list li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.application-list li i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.application-list li div {
    flex: 1;
}

.application-list li strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.application-list li p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* 行业统计 */
.industry-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.stat-box .stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.stat-box .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    color: white;
}

/* 行业图片 */
.industry-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.industry-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

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

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .industry-content,
    .industry-content.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .industry-image {
        position: relative;
        top: 0;
    }
    
    .industry-image img {
        height: 400px;
    }
    
    .industry-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .industry-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .industry-nav-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .industry-nav-card h3 {
        font-size: 1rem;
    }
    
    .industry-nav-card p {
        font-size: 0.85rem;
    }
    
    .industry-text h2 {
        font-size: 1.8rem;
    }
    
    .industry-intro {
        font-size: 1rem;
    }
    
    .application-list {
        padding: 1.5rem;
    }
    
    .application-list h3 {
        font-size: 1.2rem;
    }
    
    .application-list li {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .application-list li i {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .industry-stats {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .stat-box {
        padding: 1rem;
    }
    
    .stat-box .stat-number {
        font-size: 1.5rem;
    }
    
    .industry-image img {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .industry-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .section-description {
        font-size: 1rem;
    }
}