/* 关于我们页面样式 */

/* 页面头部 */
.page-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 公司简介 */
.about-section {
    padding: 100px 0;
    background: white;
}

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

.about-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-text {
    font-size: 16px;
    color: var(--secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-illustration {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-light), #e0e7ff);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-illustration i {
    font-size: 120px;
    color: var(--primary);
    opacity: 0.3;
}

.illustration-dots {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
}

.illustration-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.2;
}

.illustration-dots span:nth-child(1) {
    width: 20px;
    height: 20px;
    opacity: 0.3;
}

/* 核心价值 */
.values-section {
    padding: 100px 0;
    background: var(--light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.value-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.value-icon i {
    font-size: 28px;
    color: var(--primary);
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark);
}

.value-desc {
    font-size: 15px;
    color: var(--secondary);
    line-height: 1.7;
}

/* 数据统计 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-card {
    text-align: center;
    color: white;
}

.stat-icon {
    font-size: 36px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 团队介绍 */
.team-section {
    padding: 100px 0;
    background: white;
}

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

.team-card {
    background: var(--light);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
}

.team-card:hover {
    background: white;
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.team-avatar i {
    font-size: 36px;
    color: white;
}

.team-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark);
}

.team-role {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 15px;
}

.team-desc {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
}

/* 发展历程 */
.timeline-section {
    padding: 100px 0;
    background: var(--light);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 11px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.timeline-content {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.timeline-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.timeline-text {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .about-illustration {
        max-width: 300px;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 45px;
    }

    .timeline-marker {
        left: 6px;
        width: 18px;
        height: 18px;
    }
}