/* 关于我们页面样式 */

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, var(--light-orange) 0%, var(--light-green) 100%);
    padding: 160px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-gray);
}

/* 公司简介 */
.company-intro {
    background: white;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-content p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.feature-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

.intro-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-frame {
    position: relative;
    width: 400px;
    height: 400px;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 2;
}

.frame-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-orange);
    border-radius: var(--radius-lg);
    z-index: 1;
}

.frame-decoration::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-green);
    border-radius: var(--radius-lg);
    z-index: 0;
}

/* 资质荣誉 */
.honors {
    background: var(--bg-light);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.honor-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.honor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.honor-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.honor-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.honor-card p {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 4px;
}

/* 发展历程时间轴 */
.timeline {
    background: white;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-orange), var(--primary-green));
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-content {
    padding-right: 40px;
    padding-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    padding-left: 40px;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--bg-gradient);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.timeline-content {
    flex: 1;
    max-width: 45%;
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: var(--light-orange);
    color: var(--dark-orange);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 企业文化 */
.culture {
    background: linear-gradient(135deg, var(--light-orange) 0%, var(--light-green) 100%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.culture-card {
    background: white;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.culture-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-lg);
}

.culture-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.culture-icon svg {
    width: 100%;
    height: 100%;
}

.culture-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.culture-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 资质证书展示 */
.certificates-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.certificates-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 40px;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.certificate-item {
    text-align: center;
}

.certificate-img-wrapper {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    transition: var(--transition);
    overflow: hidden;
}

.certificate-img-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.certificate-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.certificate-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.certificate-item p {
    font-size: 13px;
    color: var(--text-gray);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .image-frame {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 28px;
    }

    .page-header p {
        font-size: 14px;
    }

    .honors-grid {
        grid-template-columns: 1fr;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .certificate-img-wrapper {
        padding: 12px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
        text-align: left !important;
        padding-left: 50px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        padding-left: 0;
        padding-right: 0;
        max-width: 100%;
    }

    .timeline-dot {
        left: 20px;
    }

    .image-frame {
        width: 200px;
        height: 200px;
    }

    .intro-content p {
        font-size: 14px;
    }

    .honor-card {
        padding: 24px 16px;
    }

    .honor-icon {
        font-size: 36px;
    }

    .honor-card h3 {
        font-size: 16px;
    }

    .culture-card {
        padding: 24px 16px;
    }

    .culture-icon {
        width: 48px;
        height: 48px;
    }

    .timeline-content h3 {
        font-size: 16px;
    }

    .timeline-content p {
        font-size: 13px;
    }
}