/* 全局样式 */
:root {
    --primary-color: #00a8ff;
    --secondary-color: #192a56;
    --accent-color: #0097e6;
    --text-color: #dcdde1;
    --bg-dark: #1e272e;
}

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

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-color);
    overflow-x: hidden;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 顶部导航 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 39, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0.5rem 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 45px;
    width: auto;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* 系统入口 */
.system-entries {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.visitor-btn {
    padding: 0.5rem 1.5rem;
    background: var(--primary-color);
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    transition: transform 0.3s;
    margin-top: 0.2rem;
    white-space: nowrap;
}

.visitor-btn:hover {
    transform: translateY(-2px);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 0.5rem;
}

.glass-effect:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 主视觉区域 */
.hero-section {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 40px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5));
}

.model-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 0.8rem;
    text-shadow: 0 0 10px rgba(0, 168, 255, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* 六边形样式 */
.hexagon-container {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 3rem 0;
}

.hexagon {
    width: 300px;
    height: 260px;
    background: rgba(255, 255, 255, 0.1);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    padding: 2rem;
    transition: transform 0.3s;
}

.hexagon:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

/* 项目案例轮播 */
.projects-section {
    margin-top: 120px;
    padding: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.project-carousel {
    overflow: hidden;
    padding: 2rem 0;
}

/* 时间轴 */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

/* 页脚 */
footer {
    background: rgba(30, 39, 46, 0.95);
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
}

/* 添加链接样式 */
.office-platform {
    position: relative;
    text-decoration: none;
    color: var(--text-color);
}

.platform-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(30, 39, 46, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 4px;
    padding: 0.5rem;
    margin-top: 0.2rem;
    min-width: 200px;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.office-platform:hover .platform-dropdown {
    display: block;
}

.platform-dropdown::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}

.platform-item {
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s;
    white-space: nowrap;
    cursor: pointer;
}

.platform-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.platform-item.mapping {
    background: rgba(0, 168, 255, 0.2);
    pointer-events: none;
}

/* 添加小三角形指示器 */
.office-platform::after {
    content: '▼';
    font-size: 0.8em;
    margin-left: 0.5rem;
}

/* 业务范围页面样式 */
.services-section {
    padding-top: 80px;
}

.service-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.service-category {
    margin-bottom: 60px;
}

.service-category h3 {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
}

.service-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.service-item i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h4 {
    font-size: 1.2em;
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-item p {
    color: #888;
    line-height: 1.6;
}

/* 项目案例页面样式 */
.projects-section {
    padding: 100px 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.projects-filter {
    margin-top: 20px;
    margin-bottom: 30px;
    text-align: center;
}

.filter-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    padding: 8px 20px;
    margin: 0 5px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.projects-grid {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-details {
    text-align: center;
    padding: 20px;
    color: white;
}

.view-details {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    margin-top: 15px;
    transition: background 0.3s ease;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    margin-bottom: 10px;
    color: var(--text-color);
}

.project-info p {
    color: #888;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tags span {
    background: rgba(0, 168, 255, 0.1);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9em;
}

/* 关于我们页面样式 */
.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 40px;
}

.about-content h2 {
    margin-top: 20px;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-size: 2.5em;
    text-align: center;
}

.company-intro {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    margin-top: 20px;
}

.intro-section {
    margin-bottom: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.intro-section:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.intro-section h3 {
    color: var(--primary-color);
    font-size: 1.5em;
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
}

.intro-section h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

.intro-section p {
    line-height: 1.8;
    color: #dcdde1;
    margin-bottom: 15px;
    text-align: justify;
}

.service-concept {
    text-align: center;
    background: linear-gradient(145deg, rgba(0,168,255,0.1), rgba(0,151,230,0.1));
}

.concept-quote {
    margin: 30px 0;
    font-size: 1.5em;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.concept-quote i {
    font-size: 1.5em;
    opacity: 0.5;
}

.concept-content p {
    max-width: 800px;
    margin: 0 auto;
}

/* 联系我们页面样式 */
.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 40px;
}

.contact-content h2 {
    margin-top: 20px;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-size: 2.5em;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.info-card i {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-card h3 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: var(--text-color);
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--accent-color);
}

.map-container {
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
}

#baiduMap {
    width: 100%;
    height: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

.info-card p {
    line-height: 1.6;
    margin-bottom: 5px;
}

.info-card a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-card a:hover {
    color: var(--primary-color);
}

/* 移动端导航相关样式 */
.mobile-menu-btn {
    display: none;
}

@media (max-width: 768px) {
    .header-container {
        justify-content: space-between;
        padding: 10px 20px;
    }

    .mobile-menu-btn {
        display: block;
        background: transparent;
        border: none;
        color: white;
        font-size: 24px;
        cursor: pointer;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: block !important;  /* 强制显示 */
    }

    .main-nav ul {
        flex-direction: column;
        padding: 0;
    }

    .main-nav li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-nav a {
        display: block;
        padding: 15px 20px;
        text-align: center;
    }

    .header-right {
        display: none;
    }
} 

/* 项目案例页面样式 */
@media (max-width: 768px) {
    .projects-section {
        padding: 80px 15px 30px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;  /* 手机端单列显示 */
        gap: 20px;
    }
    
    .project-card {
        margin-bottom: 20px;
    }
    
    .project-image {
        height: 200px;  /* 调整图片高度 */
    }
    
    .projects-filter {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        margin: 20px 0;
    }
    
    .filter-btn {
        font-size: 14px;
        padding: 6px 15px;
        margin: 0;
        flex: 1 1 calc(50% - 10px);  /* 两列布局 */
        min-width: 120px;
        max-width: 150px;
    }
    
    .project-info {
        padding: 15px;
    }
    
    .project-info h3 {
        font-size: 1.1em;
    }
    
    .project-tags {
        gap: 5px;
    }
    
    .project-tags span {
        padding: 3px 10px;
        font-size: 0.8em;
    }
} 

/* 业务范围页面样式 */
.services-section {
    padding-top: 100px;
}

.service-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

@media (max-width: 768px) {
    .services-section {
        padding-top: 100px;
    }
    
    .service-content {
        padding-top: 20px;
    }
    
    .service-category h3 {
        font-size: 1.6em;  /* 减小标题字体大小 */
        margin-bottom: 20px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;  /* 单列显示 */
        gap: 20px;
        padding: 10px;
    }
    
    .service-item {
        padding: 20px;
    }
    
    .service-item i {
        font-size: 2em;
        margin-bottom: 15px;
    }
} 

/* 所有页面内容区域的通用样式 */
.services-section,
.projects-section,
.about-section,
.contact-section {
    padding-top: 80px;  /* 为固定导航栏留出空间 */
}

@media (max-width: 768px) {
    .services-section,
    .projects-section,
    .about-section,
    .contact-section {
        padding-top: 100px;  /* 移动端增加更多空间 */
    }
    
    /* 调整各页面内容的上边距 */
    .service-content,
    .projects-grid,
    .about-content,
    .contact-content {
        padding-top: 20px;
    }
}