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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #F5F5F5;
    color: #0A192F;
    line-height: 1.6;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    transition: background-color 0.3s ease;
    z-index: 1000;
}

.navbar.scrolled {
    background-color: rgba(10, 25, 47, 0.95);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #64FFDA;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #F5F5F5;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #64FFDA;
}

/* 英雄区 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0A192F;
    color: #F5F5F5;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero p {
    font-size: 20px;
    color: #64FFDA;
}

/* 核心服务 */
.services {
    padding: 100px 0;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #0A192F;
}

.service-cards {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    background-color: #FFFFFF;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    width: 300px;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid #64FFDA;
}

.card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #0A192F;
}

.card p {
    color: #666;
}

/* 案例展示 */
.cases {
    padding: 100px 0;
    background-color: #0A192F;
    color: #F5F5F5;
}

.cases h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.case-cards {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.case-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
    transition: all 0.3s ease;
    width: 300px;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(100, 255, 218, 0.2);
    border: 1px solid #64FFDA;
}

.case-img {
    height: 180px;
    background-color: rgba(100, 255, 218, 0.1);
    border-radius: 4px;
    margin-bottom: 20px;
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #64FFDA;
}

.case-card p {
    color: rgba(245, 245, 245, 0.7);
}

/* 联系模块 */
.contact {
    padding: 100px 0;
    text-align: center;
}

.contact h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #0A192F;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.contact-info p {
    font-size: 16px;
    color: #666;
}

/* 关于我们 */
.about {
    padding: 100px 0;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #0A192F;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

/* 团队展示 */
.team {
    padding: 100px 0;
    background-color: #0A192F;
    color: #F5F5F5;
}

.team h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.team-members {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.team-member {
    text-align: center;
    width: 150px;
}

.member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(100, 255, 218, 0.2);
    margin: 0 auto 20px;
}

.team-member h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #64FFDA;
}

.team-member p {
    font-size: 14px;
    color: rgba(245, 245, 245, 0.7);
}

/* 服务页 */
.service-details {
    padding: 100px 0;
}

.service-details h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #0A192F;
}

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

.service-item {
    margin-bottom: 40px;
    padding: 30px;
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #0A192F;
}

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

.service-item li {
    padding: 10px 0;
    border-bottom: 1px solid #E0E0E0;
    color: #666;
}

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

/* 报价模块 */
.pricing {
    padding: 100px 0;
    background-color: #0A192F;
    color: #F5F5F5;
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.pricing-table {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(100, 255, 218, 0.2);
}

.pricing-table th {
    background-color: rgba(100, 255, 218, 0.1);
    color: #64FFDA;
    font-weight: 600;
}

.pricing-table tr:hover {
    background-color: rgba(100, 255, 218, 0.05);
}

/* 页脚 */
footer {
    background-color: #0A192F;
    color: #F5F5F5;
    padding: 30px 0;
    text-align: center;
}

footer p {
    font-size: 14px;
    color: rgba(245, 245, 245, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .service-cards,
    .case-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .card,
    .case-card {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 20px;
    }
}

/* 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);
}