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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.nav {
    background-color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: #0088ff;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0088ff;
}

/* 头部样式 */
.header {
    background-color: #f9f9f9;
}

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

.logo-section {
    flex: 1;
    min-width: 300px;
}

.logo {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
    font-weight: bold;
}

.slogan {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 500;
}

.company-brief {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.app-preview {
    flex: 0 0 auto;
    margin-top: 30px;
}

.app-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 公司理念样式 */
.company-philosophy {
    background-color: #1b252e;
    color: white;
    padding: 60px 0;
}

.section-title {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 500;
}

.philosophy-text {
    font-size: 16px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 30px;
    text-align: center;
}

.learn-more-btn {
    display: block;
    margin: 0 auto;
    padding: 12px 30px;
    background-color: white;
    color: #1a365d;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.learn-more-btn:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* 我们的服务样式 */
.services {
    padding: 80px 0;
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.service-item {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #1a365d;
}

.service-title {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 500;
}

.service-desc {
    font-size: 14px;
    color: #666;
}

/* 愿景区域样式 */
.vision {
    padding: 120px 0;
    background-image: url('../image/warehouse.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: white;
}

.vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url(../images/blockquote.jpg);
    background-size: cover;
}

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

.vision-quote {
    font-size: 28px;
    line-height: 1.6;
    font-style: italic;
}

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

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
}

.contact-item {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
    padding-left: 10px;
    padding-right: 10px;
}

.contact-label {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    color: #333;
}

.contact-value {
    font-size: 14px;
    color: #666;
}

.qr-code {
    flex: 0 0 auto;
    margin-top: 20px;
}

.qr-img {
    width: 120px;
    height: 120px;
}

/* 页脚样式 */
.footer {
    background-color: #000f24;
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-text a {
    margin-left: 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.footer-text a:hover {
    color: white;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .app-preview {
        margin-top: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .qr-code {
        margin-top: 30px;
        align-self: center;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-quote {
        font-size: 20px;
    }
}