/* 关于我们页面样式 */

/* 英雄横幅 */
.hero-banner {
    width: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 关于我们主要内容 */
.about-main {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 85px;
    font-family: "Source Han Sans CN", sans-serif;
}

/* 公司标语 */
.company-tagline {
    display: flex;
    justify-content: center;
    margin-bottom: 110px;
}

.tagline-primary {
    background: #378CFF;
    color: white;
    padding: 15px 20px;
    font-size: 20px;
    font-weight: 700;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    font-family: "Source Han Sans CN", sans-serif;
    width: 200px;
    text-align: center;
}

.tagline-secondary {
    border: 1px solid #378CFF;
    border-left: none;
    color: #333333;
    padding: 15px 20px;
    font-size: 20px;
    font-weight: 400;
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
    font-family: "Source Han Sans CN", sans-serif;
    width: 365px;
    text-align: center;
}

/* 公司介绍 */
.company-intro {
    margin-bottom: 110px;
}

.intro-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.intro-text {
    flex: 1;
    max-width: 723px;
}

.intro-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #666E7A;
    text-align: justify;
    font-family: "Source Han Sans CN", sans-serif;
    margin: 0;
}

.intro-image {
    width: 447px;
    height: 330px;
    flex-shrink: 0;
}

.intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

/* 公司统计数据 */
.company-stats {
    display: flex;
    gap: 32px;
    justify-content: center;
}

.stat-card {
    width: 276px;
    height: 154px;
    border: 1px solid #CCCCCC;
    background: white;
    position: relative;
}

.stat-header {
    width: 100%;
    height: 20px;
    background: #378CFF;
}

.stat-content {
    padding: 40px 20px;
    text-align: center;
    height: 134px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 400;
    color: #378CFF;
    font-family: "HarmonyOS Sans TC", sans-serif;
    line-height: 1;
    margin-bottom: 11px;
}

.stat-unit {
    font-size: 16px;
    color: #767676;
    font-family: "Source Han Sans CN", sans-serif;
    margin-left: 4px;
}

.stat-label {
    font-size: 16px;
    color: #767676;
    font-family: "Source Han Sans CN", sans-serif;
}

/* 合作案例 */
.cooperation-cases {
    padding: 80px 0;
    background: white;
}

.cases-gallery {
    display: grid;
    grid-template-columns: repeat(4, 285px);
    gap: 20px;
    justify-content: center;
    margin-bottom: 85px;
}

.case-image {
    width: 285px;
    height: 214px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

/* 地区合作项目 */
.regional-projects {
    max-width: 1200px;
    margin: 0 auto;
}

.region-section {
    margin-bottom: 40px;
}

.region-header {
    border-bottom: 1px solid #EEEEEE;
    padding-bottom: 0;
    margin-bottom: 30px;
    position: relative;
    display: flex;
    justify-content: center;
}

.region-title {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    font-family: "Source Han Sans CN", sans-serif;
    padding: 8px 0;
    border-bottom: 2px solid #378CFF;
    margin: 0;
    display: inline-block;
}

.region-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.project-column p {
    font-size: 16px;
    line-height: 1.8;
    color: #666E7A;
    margin-bottom: 8px;
    font-family: "Source Han Sans CN", sans-serif;
    text-align: justify;
}


/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    
    .cases-gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .case-image {
        width: 100%;
        height: auto;
        aspect-ratio: 285/214;
    }
    
    .company-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        height: 300px;
    }
    
    .intro-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .intro-image {
        width: 100%;
        height: 250px;
    }
    
    .company-tagline {
        flex-direction: column;
        align-items: center;
    }
    
    .tagline-primary,
    .tagline-secondary {
        width: 100%;
        max-width: 400px;
        border-radius: 2px;
    }
    
    .company-stats {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .cases-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .region-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-logo {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .about-main,
    .cooperation-cases {
        padding: 60px 0;
    }
    
    .cases-gallery {
        grid-template-columns: 1fr;
    }
    
    .company-stats {
        gap: 15px;
    }
    
    .stat-card {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-company-info h3 {
        font-size: 24px;
    }
    
    .footer-bottom p {
        font-size: 14px;
        line-height: 1.4;
    }
}