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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏 */
.navbar {
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

.logo img {
    height: 40px;
}

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

.nav-links li a {
    color: #333;
    text-decoration: none;
    padding: 10px 20px;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: #007bff;
}

.nav-links a.active {
    color: #007bff;
    border-bottom: 2px solid #007bff;
}

/* 主横幅 */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/banner.png');
    background-size: cover;
    background-position: center;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 70px;
}

.hero-content h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

/* 解决方案板块 */
.solutions {
    padding: 80px 0;
    text-align: center;
}

.solution-cards {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 40px;
}

.card {
    width: 300px;
    padding: 20px;
    margin: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 5px;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}

/* 数据统计 */
.statistics {
    background: linear-gradient(rgba(0, 123, 255, 0.8), rgba(0, 166, 255, 0.8)), url('../images/401017063.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 60px 0;
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item h2 {
    font-size: 3em;
    margin-bottom: 10px;
}

.stat-item p {
    line-height: 1.6;
}

.stat-item p br + :last-child {
    font-size: 0.9em;
    opacity: 0.9;
    display: block;
    margin-top: 5px;
}

/* 项目领域 */
.domains {
    padding: 80px 0;
    text-align: center;
}

.domains h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 10px;
}

.domains .subtitle {
    color: #666;
    margin-bottom: 40px;
}

.domain-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.domain-item {
    width: 150px;
    margin: 20px;
    text-align: center;
}

.domain-item i {
    font-size: 2.5em;
    color: #007bff;
    margin-bottom: 10px;
}

.domain-item p {
    margin: 0;
    line-height: 1.5;
}

.domain-item p br + :last-child {
    font-size: 0.9em;
    color: #666;
    margin-top: 4px;
}

/* 页脚 */
footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
}

.footer-links a {
    color: white;
    margin: 0 10px;
    font-size: 1.5em;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .solution-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .statistics {
        flex-direction: column;
    }
    
    .stat-item {
        margin: 20px 0;
    }
} 

/* 页脚样式 */
.footer {
    background: #0066cc;
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo img {
    height: 40px;
}

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

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

.footer-nav a:hover {
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: white;
    font-size: 1.2em;
    transition: opacity 0.3s;
}

.footer-social a:hover {
    opacity: 0.8;
}

/* 在响应式设计中添加页脚相关样式 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
} 

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background: linear-gradient(180deg, #fff 0%, #e6f3ff 100%);
    text-align: center;
}

.partners h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 10px;
}

.partners .subtitle {
    color: #666;
    margin-bottom: 40px;
}

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

.partners-image {
    width: 100%;
    max-width: 1000px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* 在响应式设计中添加合作伙伴相关样式 */
@media (max-width: 768px) {
    .partners-image {
        width: 95%;
    }
} 

/* 产品&解决方案 */
.products-solutions {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.products-solutions h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 10px;
}

.products-solutions .subtitle {
    color: #666;
    margin-bottom: 40px;
}

.solutions-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: 30px;
}

#bangong {
    grid-column: 1;
    grid-row: 1;
    min-height: 300px;
    display: flex;
    align-items: center;
    background: white;
}

#jiqiren {
    grid-column: 2;
    grid-row: 1;
    min-height: 300px;
    display: flex;
    align-items: center;
    background: url('../images/500908852.png') center/cover;
}

#jiqiren .solution-content {
    background: rgba(0, 0, 0, 0.5);
    color: white;
}

#jiqiren .solution-content h3,
#jiqiren .solution-content p {
    color: white;
}

.solution-item {
    position: relative;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: left;
}

#ronghe {
    grid-column: 1;
    grid-row: 3;
    background: url('../images/信息系统融合平台.png') center/cover;
    min-height: 300px;
    display: flex;
    align-items: center;
}

#ronghe .solution-content {
    background: rgba(255, 255, 255, 0.9);
    margin: 20px;
    border-radius: 8px;
}

.solution-row {
    grid-column: 2;
    grid-row: 3;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

#fenxi,
#yunbiao {
    flex: 1;
    min-height: 150px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#fenxi {
    background: url('../images/fenxi2.png') center/cover;
}

#yunbiao {
    background: url('../images/yunbiao.png') center/cover;
}

#fenxi .solution-content,
#yunbiao .solution-content {
    background: rgba(0, 0, 0, 0.5);
    margin: 0;
    padding: 20px;
    width: 100%;
    height: 100%;
}

.solution-row .solution-content h3,
.solution-row .solution-content p {
    color: white;
}

.solution-row .solution-content h3 {
    margin-bottom: 10px;
}

.solution-row .solution-content p {
    opacity: 0.9;
}

.solution-item.large {
    grid-column: span 2;
    display: flex;
    min-height: 300px;
}

.solution-item.small {
    min-height: 200px;
    display: flex;
    align-items: center;
}

.solution-content {
    padding: 30px;
    flex: 1;
}

.solution-content h3 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 15px;
}

.solution-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.more-link {
    color: #ff6f00;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.more-link:hover {
    color: #ff8f00;
}

.solution-image {
    flex: 1;
    background: #007bff;
}

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

/* 在响应式设计中添加产品解决方案相关样式 */
@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    #bangong,
    #jiqiren {
        grid-column: 1;
        grid-row: auto;
    }
    
    .solution-item.large {
        grid-column: span 1;
        flex-direction: column;
    }
    
    #ronghe {
        grid-column: 1;
        grid-row: auto;
    }
    
    .solution-row {
        grid-column: 1;
        grid-row: auto;
        gap: 20px;
    }
    
    #fenxi,
    #yunbiao {
        min-height: 200px;
    }
    
    .solution-image {
        height: 200px;
    }
}