/* 主体部分样式 */
main {
    padding-top: 100px;
}

/* 通用部分 */
.section-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

section h2 {
    text-align: center;
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 3rem;
}

/* 公司简介 */
.about-intro {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/culture-banner.png');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 6rem 0;
}

.about-intro h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 企业文化 */
.company-culture {
    background-color: #f9f9f9;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.culture-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.culture-item:hover {
    transform: translateY(-5px);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-icon i {
    font-size: 2rem;
    color: white;
}

.culture-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

/* 团队介绍 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    height: 300px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.team-member:hover .member-photo img {
    transform: scale(1.1);
}

.member-info {
    padding: 1.5rem;
    text-align: center;
}

.member-info h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.position {
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 1rem;
}

.description {
    color: #666;
    line-height: 1.6;
}

/* 发展历程 */
.history {
    background-color: #f9f9f9;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #e74c3c;
    top: 0;
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-date {
    background: #e74c3c;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: calc(50% - 50px);
    margin-top: 2rem;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

/* 荣誉资质 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.honor-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.honor-item:hover {
    transform: translateY(-5px);
}

.honor-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honor-icon i {
    font-size: 2rem;
    color: white;
}

.honor-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.honor-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .section-content {
        padding: 3rem 1rem;
    }

    .about-intro {
        padding: 4rem 0;
    }

    .about-intro h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .culture-grid,
    .team-grid,
    .honors-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 20px;
    }

    .timeline-date {
        left: 0;
        transform: translateX(-50%);
    }

    .timeline-content {
        width: 100%;
        margin: 2rem 0 0 0 !important;
    }
}

@media (max-width: 480px) {
    .about-intro h1 {
        font-size: 2rem;
    }

    .section-content {
        padding: 2rem 1rem;
    }

    .culture-item,
    .honor-item {
        padding: 1.5rem;
    }
}