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

body {
    font-family: '微软雅黑', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #424242;
    background-color: #f5f5f5;
}

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

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: #212121;
    margin-bottom: 1rem;
}

h1 {
    font-size: 36px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 24px;
}

h4 {
    font-size: 20px;
}

/* 段落样式 */
p {
    margin-bottom: 1rem;
}

/* 链接样式 */
a {
    color: #1E88E5;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0D47A1;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    background: #002FA7;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.2);
}

.btn:hover {
    background: #002894;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.4);
    color: #FFFFFF;
}

.btn-primary {
    background: #002FA7;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.2);
}

.btn-primary:hover {
    background: #002894;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.4);
    color: #FFFFFF;
}

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

.btn-secondary {
    background-color: #FFFFFF;
    color: #002FA7;
    border: 1px solid #002FA7;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.2);
}

/* 导航栏样式 */
.navbar {
    background-color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo h1 {
    font-size: 24px;
    color: #002FA7;
    margin: 0;
}

.nav-menu ul {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 32px;
}

.nav-menu a {
    color: #424242;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-menu a.active {
    color: #002FA7;
    font-weight: 600;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: #002FA7;
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.nav-actions {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #424242;
    cursor: pointer;
    margin-left: 16px;
}

/* 英雄区样式 */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    padding: 140px 0 120px;
    margin-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(0, 47, 167, 0.1) 0%, transparent 70%),
                radial-gradient(circle at 20% 80%, rgba(30, 58, 138, 0.1) 0%, transparent 70%),
                linear-gradient(135deg, rgba(0, 47, 167, 0.05) 0%, rgba(30, 58, 138, 0.05) 100%);
    animation: heroBgAnimation 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes heroBgAnimation {
    0%, 100% {
        background-position: 0% 50%;
        transform: scale(1);
    }
    25% {
        background-position: 100% 50%;
        transform: scale(1.05);
    }
    50% {
        background-position: 50% 100%;
        transform: scale(1);
    }
    75% {
        background-position: 0% 50%;
        transform: scale(0.95);
    }
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 0 20px;
    animation: heroContentAnimation 1s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes heroContentAnimation {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.2);
}

.hero-content h1 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 32px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    font-weight: 700;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 32px;
    color: #475569;
    line-height: 1.6;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.hero-stats {
    background: linear-gradient(135deg, #FFFFFF 0%, #f8fafc 100%);
    padding: 32px 40px;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-top: 40px;
    border: 1px solid rgba(0, 47, 167, 0.1);
    animation: heroStatsAnimation 1s ease-out 0.5s forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes heroStatsAnimation {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-item {
    text-align: center;
    padding: 0 20px;
    border-right: 1px solid rgba(0, 47, 167, 0.1);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #002FA7;
    margin-bottom: 4px;
    animation: countUp 2s ease-out;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: #64748B;
    font-weight: 500;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

@keyframes countUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 核心优势样式 */
.advantages {
    padding: 100px 0;
    background-color: #FFFFFF;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
    border-radius: 2px;
}

.section-description {
    font-size: 18px;
    color: #64748B;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-subtitle {
    text-align: center;
    color: #9E9E9E;
    margin-bottom: 48px;
}

.advantage-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
    margin: 20px auto;
}

.advantage-tag {
    display: inline-block;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    color: #002FA7;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 12px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    margin-top: 56px;
}

.advantage-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.15);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 28px;
    color: #002FA7;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.15);
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.25);
}

.advantage-card h3 {
    margin-bottom: 20px;
    color: #1E293B;
    font-size: 20px;
    font-weight: 600;
}

.advantage-card p {
    color: #64748B;
    font-size: 16px;
    line-height: 1.6;
}

/* 产品服务概览样式 */
.services {
    padding: 80px 0;
    background-color: #ffffff;
}

.services-overview {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background-color: #f8fafc;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 47, 167, 0.1);
    border-color: #002FA7;
}

.service-icon {
    width: 100%;
    height: 120px;
    background-color: #002FA7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #ffffff;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background-color: #1E3A8A;
}

.service-content {
    padding: 20px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card h3 {
    color: #1E293B;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: #64748B;
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
}

.service-link {
    display: block;
    text-align: center;
    padding: 14px;
    background-color: #f1f5f9;
    color: #002FA7;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;
}

.service-link:hover {
    background-color: #002FA7;
    color: #ffffff;
}

.service-link i {
    margin-left: 6px;
    transition: transform 0.3s ease;
}

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

.services-more {
    text-align: center;
    margin-top: 48px;
}

.services-more .btn {
    transition: all 0.3s ease;
}

.services-more .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 47, 167, 0.2);
}

/* 解决方案样式 */
.solutions {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 36px;
    margin-top: 56px;
}

.solution-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.15);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 32px;
    color: #002FA7;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.15);
    transition: all 0.3s ease;
}

.solution-card:hover .solution-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.25);
}

.solution-card h3 {
    margin-bottom: 20px;
    color: #1E293B;
    font-size: 20px;
    font-weight: 600;
}

.solution-card p {
    color: #64748B;
    font-size: 16px;
    line-height: 1.6;
}

/* 技术实力样式 */
.tech-capabilities {
    padding: 100px 0;
    background-color: #f8fafc;
}

.technology {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 56px;
}

.tech-card {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 36px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 47, 167, 0.12);
    border-color: #002FA7;
}

.tech-icon {
    width: 72px;
    height: 72px;
    background-color: #002FA7;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: #FFFFFF;
    transition: all 0.3s ease;
}

.tech-card:hover .tech-icon {
    transform: scale(1.05);
    background-color: #1E3A8A;
}

.tech-card h3 {
    margin-bottom: 16px;
    color: #1E293B;
    font-size: 18px;
    font-weight: 600;
}

.tech-card p {
    color: #64748B;
    font-size: 15px;
    line-height: 1.5;
}

/* 智造基地样式 */
.locations {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.location-card {
    background-color: #FFFFFF;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.location-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.location-card h3 {
    padding: 24px 24px 16px;
    color: #212121;
}

.location-card p {
    padding: 0 24px 16px;
    color: #616161;
}

.location-image {
    padding: 0 24px 24px;
}

.location-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
}

/* 发展历程样式 */
.timeline {
    padding: 80px 0;
    background-color: #f5f5f5;
}

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

.timeline-container::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #E3F2FD;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -13px;
    background-color: #FFFFFF;
    border: 4px solid #4B9CD3;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(even)::after {
    left: -13px;
}

.timeline-content {
    padding: 20px 30px;
    background-color: #FFFFFF;
    position: relative;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.timeline-year {
    position: absolute;
    top: 15px;
    font-weight: bold;
    color: #4B9CD3;
    font-size: 18px;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-year {
    left: -60px;
}

.timeline-content h3 {
    margin-bottom: 12px;
    color: #212121;
}

.timeline-content p {
    color: #616161;
}

/* 联系我们样式 */
.contact-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.contact-content {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    justify-content: center;
}

.contact-info {
    flex: 1;
    max-width: 600px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #002FA7;
    margin-right: 24px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.15);
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.25);
}

.contact-details h3 {
    margin-bottom: 8px;
    color: #212121;
}

.contact-details p {
    color: #616161;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .advantages-grid,
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .hero-content h1 {
        font-size: 48px;
    }
    
    .service-icon {
        height: 140px;
        font-size: 56px;
    }
    
    .service-content {
        padding: 24px 24px 16px;
    }
    
    .service-card h3 {
        font-size: 18px;
    }
    
    .service-card p {
        font-size: 14px;
    }
}

@media (max-width: 992px) {
    .advantages-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    
    .hero-content h1 {
        font-size: 42px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
        padding: 24px;
    }
    
    .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .service-icon {
        height: 120px;
        font-size: 48px;
    }
    
    .service-content {
        padding: 20px 20px 12px;
    }
    
    .service-card h3 {
        font-size: 16px;
    }
    
    .service-card p {
        font-size: 14px;
    }
    
    .feature-badge {
        font-size: 10px;
        padding: 3px 10px;
    }
}

@media (max-width: 768px) {
    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 240px;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(0, 47, 167, 0.1);
        padding: 16px 0;
        width: 100%;
    }
    
    .stat-item:last-child {
        border-bottom: none;
    }
    
    .contact-content {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    .service-icon {
        height: 100px;
        font-size: 40px;
    }
    
    .service-content {
        padding: 16px 16px 8px;
    }
    
    .service-card h3 {
        font-size: 16px;
    }
    
    .service-card p {
        font-size: 14px;
    }
    
    .service-features {
        gap: 6px;
    }
    
    .feature-badge {
        font-size: 10px;
        padding: 2px 8px;
    }
    
    .service-link {
        padding: 14px 20px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .advantages,
    .services,
    .services-overview,
    .solutions,
    .tech-capabilities,
    .locations,
    .timeline,
    .contact-section {
        padding: 60px 0;
    }
    
    .advantage-card,
    .service-card,
    .solution-card,
    .tech-card {
        padding: 24px 20px;
    }
    
    .service-icon {
        height: 80px;
        font-size: 32px;
    }
    
    .service-content {
        padding: 12px 12px 8px;
    }
    
    .service-card h3 {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .service-card p {
        font-size: 12px;
        margin-bottom: 12px;
    }
    
    .service-features {
        gap: 4px;
    }
    
    .feature-badge {
        font-size: 8px;
        padding: 2px 6px;
    }
    
    .service-link {
        padding: 12px 16px;
        font-size: 12px;
    }
    
    .services-more {
        margin-top: 40px;
    }
    
    .services-more .btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: #FFFFFF;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 56px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-info h3 {
    color: #FFFFFF;
    margin-bottom: 20px;
    font-size: 22px;
    position: relative;
    padding-bottom: 12px;
}

.footer-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
}

.footer-info p {
    color: #94A3B8;
    margin-bottom: 28px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(0, 47, 167, 0.2) 0%, rgba(30, 58, 138, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.4);
    border-color: transparent;
}

.footer-links h4 {
    color: #FFFFFF;
    margin-bottom: 20px;
    font-size: 18px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #002FA7, #1E3A8A);
}

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

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: #94A3B8;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 16px;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #002FA7;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #002FA7;
    padding-left: 20px;
}

.footer-links a:hover::before {
    opacity: 1;
    left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: #94A3B8;
    position: relative;
    z-index: 1;
}

/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.25);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    animation: fadeInUp 0.5s ease;
}

.back-to-top:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.4);
    background: linear-gradient(135deg, #1E3A8A 0%, #002FA7 100%);
}

.back-to-top::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;
}

.back-to-top:hover::before {
    left: 100%;
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
    padding: 120px 0 60px;
    margin-top: 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.page-header h1 {
    color: #FFFFFF;
    margin-bottom: 16px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
}

/* 产品服务页面样式 */
.services-category {
    padding: 100px 0;
    background-color: #FFFFFF;
}

.service-detail {
    display: flex;
    gap: 48px;
    margin-bottom: 64px;
    align-items: flex-start;
}

.service-image {
    flex: 1;
    position: relative;
}

.service-image .image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.15);
}

.service-image .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 47, 167, 0.1) 0%, rgba(30, 58, 138, 0.1) 100%);
    z-index: 1;
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
    padding: 10px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.2);
    z-index: 2;
}

.service-info {
    flex: 1;
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.service-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1E293B;
    margin: 0;
}

.service-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-rating i {
    color: #FFD700;
    font-size: 16px;
}

.service-rating span {
    font-size: 16px;
    font-weight: 600;
    color: #002FA7;
}

.service-description {
    font-size: 18px;
    color: #64748B;
    margin-bottom: 32px;
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 47, 167, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.15);
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1E293B;
    margin: 0 0 8px 0;
}

.feature-info p {
    font-size: 16px;
    color: #64748B;
    margin: 0;
    line-height: 1.5;
}

.service-actions {
    display: flex;
    gap: 20px;
}

.service-applications {
    margin-top: 64px;
}

.service-applications h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 32px;
    text-align: center;
}

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

.application-card {
    padding: 32px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.application-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.15);
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
}

.application-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 24px;
    margin: 0 auto 20px;
}

.application-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 12px;
}

.application-card p {
    font-size: 16px;
    color: #64748B;
    margin: 0;
    line-height: 1.5;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 64px;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.tab-btn {
    padding: 14px 28px;
    background: linear-gradient(135deg, #FFFFFF 0%, #f8fafc 100%);
    border: 1px solid rgba(0, 47, 167, 0.1);
    border-radius: 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 500;
    color: #495057;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(135deg, rgba(0, 47, 167, 0.1) 0%, rgba(30, 58, 138, 0.1) 100%);
    transform: rotate(30deg);
    transition: all 0.6s ease;
    z-index: -1;
}

.tab-btn:hover::before {
    transform: rotate(0deg);
}

.tab-btn span {
    position: relative;
    z-index: 1;
}

.tab-btn.active {
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
    border-color: #002FA7;
    box-shadow: 0 6px 20px rgba(0, 47, 167, 0.3);
}

.tab-btn.active::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;
    z-index: -1;
}

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

.tab-btn:hover:not(.active) {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    border-color: rgba(0, 47, 167, 0.2);
    color: #002FA7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 47, 167, 0.15);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.service-detail {
    margin-bottom: 48px;
}

.service-info {
    width: 100%;
}

.service-info h2 {
    margin-bottom: 24px;
    color: #212121;
    font-size: 28px;
    font-weight: 600;
}

.service-description {
    margin-bottom: 32px;
    color: #616161;
    font-size: 16px;
    line-height: 1.8;
}



.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .service-features {
        grid-template-columns: 1fr;
    }
}

.service-applications {
    margin-top: 48px;
}

.service-applications h3 {
    margin-bottom: 24px;
    color: #212121;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.application-card {
    background-color: #f5f5f5;
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #E3F2FD;
}

.application-card h4 {
    margin-bottom: 12px;
    color: #212121;
}

.application-card p {
    color: #616161;
    margin: 0;
}

/* 服务优势样式 */
.service-advantages {
    padding: 80px 0;
    background-color: #f5f5f5;
}

/* 服务CTA样式 */
.service-cta {
    background: linear-gradient(135deg, #1E88E5 0%, #0D47A1 100%);
    color: #FFFFFF;
    padding: 80px 0;
    text-align: center;
}

.service-cta h2 {
    color: #FFFFFF;
    margin-bottom: 16px;
}

.service-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    font-size: 18px;
}

/* 关于我们页面样式 */
.company-intro {
    padding: 80px 0;
    background-color: #f8fafc;
    position: relative;
    overflow: hidden;
}

.company-intro::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 47, 167, 0.05) 0%, rgba(30, 58, 138, 0.05) 100%);
    border-radius: 50% 0 0 50%;
    z-index: 0;
}

.intro-content {
    margin-top: 64px;
    position: relative;
    z-index: 1;
}

.intro-text {
    background-color: #FFFFFF;
    padding: 64px;
    border-radius: 20px;
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
    max-width: 100%;
}

.intro-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: #0284c7;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.3);
}

.highlight-icon i {
    font-size: 14px;
    color: #0284c7;
}

.intro-paragraph {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 28px;
    color: #475569;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 28px;
    margin-top: 40px;
    padding: 32px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 16px;
    border: 1px solid rgba(2, 132, 199, 0.2);
}

.stat-item {
    text-align: center;
    transition: all 0.3s ease;
    padding: 16px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.8);
}

.stat-item:hover {
    transform: translateY(-8px);
    background-color: #ffffff;
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.2);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #0284c7;
    margin-bottom: 12px;
    font-family: 'Arial', sans-serif;
}

.stat-label {
    font-size: 16px;
    color: #64748b;
    font-weight: 600;
}

/* 公司基地样式 */
.company-locations {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
}

.location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.location-card {
    background-color: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.location-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.15);
}

.location-header {
    display: flex;
    align-items: center;
    padding: 32px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
}

.location-header i {
    font-size: 32px;
    color: #FFFFFF;
    margin-right: 20px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.location-header h3 {
    margin: 0;
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 700;
}

.location-info {
    padding: 32px;
}

.location-info p {
    margin-bottom: 24px;
    color: #475569;
    font-size: 16px;
    line-height: 1.6;
}

.location-info p:last-child {
    margin-bottom: 0;
}

/* 团队介绍样式 */
.team-intro {
    padding: 120px 0;
    background-color: #FFFFFF;
    position: relative;
}

.team-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(180deg, #f0f9ff 0%, transparent 100%);
    z-index: 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 64px;
    position: relative;
    z-index: 1;
}

.team-card {
    background-color: #FFFFFF;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    transition: all 0.4s ease;
    text-align: center;
    border: 1px solid rgba(0, 47, 167, 0.1);
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #002FA7 0%, #1E3A8A 100%);
}

.team-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.15);
}

.team-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s ease;
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-info {
    padding: 32px;
}

.team-info h3 {
    margin-bottom: 12px;
    color: #1E293B;
    font-size: 20px;
    font-weight: 700;
}

.team-info p {
    color: #64748B;
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.team-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transition: all 0.6s ease;
}

.team-card:hover::after {
    left: 100%;
}

/* 合作伙伴样式 */
.partners {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.partner-card {
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 47, 167, 0.1);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #002FA7 0%, #1E3A8A 100%);
}

.partner-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 16px 32px rgba(0, 47, 167, 0.15);
}

.partner-card img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 24px;
    transition: all 0.4s ease;
}

.partner-card:hover img {
    transform: scale(1.1) rotate(5deg);
}

.partner-card h3 {
    font-size: 18px;
    color: #1E293B;
    margin: 0;
    font-weight: 600;
}

.partner-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 47, 167, 0.05);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.partner-card:hover::after {
    width: 200px;
    height: 200px;
}

/* 发展历程样式 */
.company-timeline {
    padding: 120px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.company-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 47, 167, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(30, 58, 138, 0.05) 0%, transparent 20%);
    z-index: 0;
}

.company-timeline .section-header {
    margin-bottom: 100px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(0, 47, 167, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.8s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-year {
    width: 120px;
    text-align: center;
    font-weight: 700;
    font-size: 24px;
    color: #FFFFFF;
    font-family: 'Arial', sans-serif;
    position: relative;
    z-index: 2;
}

.timeline-year::before {
    content: attr(data-year);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.4);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 47, 167, 0.6);
        transform: translate(-50%, -50%) scale(1);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(0, 47, 167, 0);
        transform: translate(-50%, -50%) scale(1.05);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 47, 167, 0);
        transform: translate(-50%, -50%) scale(1);
    }
}

.timeline-content {
    flex: 1;
    background: #FFFFFF;
    padding: 36px;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.15);
    position: relative;
    border: 1px solid rgba(0, 47, 167, 0.1);
    transition: all 0.4s ease;
    margin-left: 40px;
}

.timeline-content:hover {
    transform: translateY(-8px) translateX(10px);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.2);
    border-color: rgba(0, 47, 167, 0.2);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 40px;
    left: -15px;
    width: 30px;
    height: 30px;
    background: #FFFFFF;
    border: 1px solid rgba(0, 47, 167, 0.1);
    border-right: none;
    border-bottom: none;
    transform: rotate(45deg);
    z-index: 1;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 16px 0 0 16px;
}

.timeline-content h3 {
    margin-bottom: 16px;
    color: #1E293B;
    font-size: 20px;
    font-weight: 700;
    position: relative;
    padding-left: 24px;
}

.timeline-content h3::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 0;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 50%;
}

.timeline-content p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
    font-size: 16px;
    padding-left: 24px;
}

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

/* 企业文化样式 */
.company-culture {
    padding: 120px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
}

.company-culture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 47, 167, 0.05) 0%, rgba(30, 58, 138, 0.05) 100%);
    border-radius: 0 50% 50% 0;
    z-index: 0;
}

.culture-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 64px;
    position: relative;
    z-index: 1;
}

.culture-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: #FFFFFF;
    padding: 48px 32px;
    border-radius: 20px;
    transition: all 0.4s ease;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
    position: relative;
    overflow: hidden;
}

.culture-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #002FA7 0%, #1E3A8A 100%);
}

.culture-item:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 47, 167, 0.15);
}

.culture-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-radius: 50%;
    margin-bottom: 32px;
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.2);
    transition: all 0.4s ease;
    font-size: 40px;
    color: #0284c7;
}

.culture-item:hover .culture-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    color: #FFFFFF;
}

.culture-info h3 {
    margin-bottom: 20px;
    color: #1E293B;
    font-size: 24px;
    font-weight: 700;
}

.culture-info p {
    color: #475569;
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
}

.culture-item::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: rgba(0, 47, 167, 0.05);
    border-radius: 50%;
    transition: all 0.4s ease;
}

.culture-item:hover::after {
    bottom: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
}

/* 联系我们页面样式 */
.contact-info-section {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.form-content {
    display: flex;
    gap: 64px;
    align-items: flex-start;
    margin-top: 48px;
}

.contact-form {
    flex: 1;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 48px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.form-info {
    flex: 1;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0e7ff 100%);
    padding: 48px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    color: #64748B;
    font-weight: 500;
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid rgba(0, 47, 167, 0.1);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #FFFFFF;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #002FA7;
    box-shadow: 0 0 0 3px rgba(0, 47, 167, 0.1);
    outline: none;
    transform: translateY(-2px);
}

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

.form-info h3 {
    margin-bottom: 32px;
    color: #1E293B;
    font-size: 24px;
    font-weight: 600;
}

.form-info ul {
    list-style: none;
    margin-bottom: 48px;
}

.form-info li {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    color: #64748B;
    line-height: 1.6;
}

.form-info li i {
    color: #002FA7;
    margin-right: 16px;
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-methods {
    margin-top: 48px;
}

.contact-methods h4 {
    margin-bottom: 24px;
    color: #1E293B;
    font-size: 18px;
    font-weight: 600;
}

.method-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    color: #64748B;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.method-item:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateX(8px);
}

.method-item i {
    font-size: 20px;
    color: #002FA7;
    margin-right: 16px;
}

.contact-form button[type="submit"] {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.3);
}

/* 在线客服样式 */
.online-service {
    padding: 80px 0;
    background-color: #E3F2FD;
}

.service-content {
    display: flex;
    gap: 48px;
    align-items: center;
}

.service-info {
    flex: 1;
}

.service-info h2 {
    margin-bottom: 24px;
    color: #212121;
}

.service-info p {
    margin-bottom: 32px;
    color: #616161;
    font-size: 18px;
}

.service-image {
    flex: 1;
    max-width: 500px;
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 联系我们页面标题样式 */
.contact-header {
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    padding: 120px 0;
    text-align: center;
    color: white;
}

.contact-header h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.contact-header p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.header-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: white;
    color: #002FA7;
    transform: translateY(-2px);
}

/* 联系信息部分样式 */
.contact-info-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.contact-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #f8fafc 100%);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(0, 47, 167, 0.15);
    border-color: rgba(0, 47, 167, 0.2);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.2);
    animation: pulse 2s infinite;
}

.contact-icon i {
    font-size: 28px;
    color: white;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1E293B;
}

.contact-card p {
    color: #64748B;
    line-height: 1.6;
}

/* 联系表单部分样式 */
.contact-form-section {
    padding: 120px 0;
    background: white;
}

.form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.form-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1E293B;
}

.form-info p {
    font-size: 16px;
    color: #64748B;
    margin-bottom: 32px;
    line-height: 1.6;
}

.form-info ul {
    list-style: none;
    margin-bottom: 40px;
}

.form-info li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    color: #64748B;
    font-size: 16px;
}

.form-info li i {
    color: #002FA7;
    margin-right: 16px;
    font-size: 18px;
}

.contact-form {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.1);
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 0;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    color: #64748B;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid rgba(0, 47, 167, 0.1);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #002FA7;
    box-shadow: 0 0 0 3px rgba(0, 47, 167, 0.1);
    outline: none;
    transform: translateY(-2px);
}

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

.contact-form button[type="submit"] {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 16px;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.3);
}

/* 基地地址样式 */
.base-locations {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.location-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.location-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 47, 167, 0.15);
}

.location-header {
    background: linear-gradient(135deg, #002FA7 0%, #1E3A8A 100%);
    padding: 24px;
    color: white;
    display: flex;
    align-items: center;
    gap: 16px;
}

.location-header i {
    font-size: 24px;
}

.location-header h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.location-info {
    padding: 32px 24px;
}

.location-info p {
    margin: 0;
    color: #64748B;
    line-height: 1.6;
}

/* 在线客服样式 */
.online-service {
    padding: 80px 0;
    background-color: #E3F2FD;
}

.service-content {
    display: flex;
    gap: 48px;
    align-items: center;
}

.service-info {
    flex: 1;
}

.service-info h2 {
    margin-bottom: 24px;
    color: #212121;
}

.service-info p {
    margin-bottom: 32px;
    color: #616161;
    font-size: 18px;
}

.service-image {
    flex: 1;
    max-width: 500px;
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.service-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.service-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 47, 167, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
    color: #1E293B;
    border: 1px solid rgba(0, 47, 167, 0.1);
}

.service-option:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 47, 167, 0.15);
    border-color: #002FA7;
}

.service-option i {
    font-size: 32px;
    color: #002FA7;
    margin-bottom: 16px;
}

.service-option span {
    font-weight: 500;
    font-size: 14px;
}

/* 动画效果 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 47, 167, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 47, 167, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 47, 167, 0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-header {
        padding: 80px 0;
    }
    
    .contact-header h1 {
        font-size: 36px;
    }
    
    .form-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .service-content {
        flex-direction: column;
        text-align: center;
    }
    
    .service-image {
        order: -1;
    }
    
    .header-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .header-buttons .btn {
        width: 100%;
        max-width: 200px;
    }
}
/* 加入我们样式 */
.join-us {
    padding: 80px 0;
    background-color: #FFFFFF;
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.job-card {
    background-color: #FFFFFF;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.job-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.job-card h3 {
    margin-bottom: 16px;
    color: #212121;
}

.job-type {
    display: inline-block;
    background-color: #E3F2FD;
    color: #1E88E5;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 12px;
}

.job-location {
    color: #9E9E9E;
    margin-bottom: 20px;
    font-size: 14px;
}

.job-description {
    margin-bottom: 24px;
    color: #616161;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 40px;
    }
    
    .contact-content,
    .form-content,
    .service-content {
        flex-direction: column;
    }
    
    .form-info {
        max-width: 100%;
    }
    
    .advantages-grid,
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .service-detail,
    .intro-content {
        flex-direction: column;
        text-align: center;
    }
    
    .service-image,
    .intro-image {
        max-width: 100%;
        margin-bottom: 32px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: #FFFFFF;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu li {
        margin: 12px 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 48px;
    }
    
    .hero-image {
        max-width: 100%;
    }
    
    .timeline-container::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item::after {
        left: 18px;
    }
    
    .timeline-item:nth-child(odd) .timeline-year,
    .timeline-item:nth-child(even) .timeline-year {
        left: 0;
        right: auto;
    }
    
    .service-detail {
        flex-direction: column;
        text-align: center;
    }
    
    .service-image {
        max-width: 100%;
        margin-bottom: 32px;
    }
    
    .intro-content {
        flex-direction: column;
        text-align: center;
    }
    
    .intro-image {
        max-width: 100%;
        margin-bottom: 32px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .tab-btn {
        font-size: 14px;
        padding: 10px 20px;
        margin-bottom: 8px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .footer-content {
        gap: 32px;
    }
    
    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-card,
    .service-card {
        padding: 28px;
    }
    
    .contact-form,
    .form-info {
        padding: 32px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 14px 18px;
    }
    
    .timeline-item {
        padding-left: 60px;
        padding-right: 20px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }
    
    .navbar .container {
        padding: 12px 16px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .advantages-grid,
    .services-grid,
    .locations-grid {
        gap: 24px;
    }
    
    .advantage-card,
    .service-card {
        padding: 24px;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
}

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

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

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

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

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(30, 136, 229, 0.3);
    border-radius: 50%;
    border-top-color: #1E88E5;
    animation: spin 1s ease-in-out infinite;
}

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