/* 关于我们页面专用样式 */
/* 发展历程 - 现代化时间轴 */
.history-section {
    padding: 80px 0;
    background-color: var(--white-color);
    position: relative;
    overflow: hidden;
}

.history-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: var(--gradient-primary);
}

.history-timeline {
    position: relative;
    padding: 60px 0 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.history-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 100%;
    padding: 0 40px;
    box-sizing: border-box;
    display: flex;
    justify-content: flex-start;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-content {
    width: calc(50% - 80px);
    padding: 30px;
    background: var(--white-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 80px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 80px;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.timeline-year {
    position: absolute;
    top: 30px;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white-color);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    box-shadow: 0 5px 20px rgba(26, 95, 180, 0.3);
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: -50px;
}

.timeline-item:nth-child(even) .timeline-year {
    left: -50px;
}

.timeline-content h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 10px;
}

.timeline-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-content p {
    color: var(--medium-color);
    line-height: 1.7;
    font-size: 1rem;
}

/* 我们的价值观 - 卡片式布局 */
.our-values {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.our-values::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/pattern-dots.png') repeat;
    opacity: 0.05;
    z-index: 1;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.value-card {
    background: var(--white-color);
    padding: 50px 30px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.value-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 86, 179, 0.15);
}

.value-icon-container {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    position: relative;
}

.value-icon {
    font-size: 2.8rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: rgba(26, 95, 180, 0.1);
    border-radius: 50%;
    transition: all 0.5s ease;
    position: relative;
    z-index: 2;
}

.value-icon-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(26, 95, 180, 0.05);
    z-index: 1;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.value-card:hover .value-icon {
    background: var(--gradient-primary);
    color: var(--white-color);
    transform: rotateY(180deg);
}

.value-card h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

.value-card h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
}

.value-card:hover h4::after {
    width: 80px;
}

.value-card p {
    color: var(--medium-color);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* 管理团队 - 现代化卡片 */
.management-team {
    padding: 100px 0;
    background: var(--white-color);
    position: relative;
}

.management-team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: var(--gradient-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.team-member {
    background: var(--white-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    text-align: center;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 86, 179, 0.15);
}

.team-member-image {
    position: relative;
    overflow: hidden;
    height: 350px;
}

.team-member img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
    filter: grayscale(20%);
}

.team-member:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.team-member-content {
    padding: 30px;
    position: relative;
}

.team-member h4 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.team-member .position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
    font-size: 1.1rem;
}

.team-member .bio {
    color: var(--medium-color);
    font-size: 1rem;
    line-height: 1.8;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.team-social {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 10px;
}

.team-social a {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background: rgba(26, 95, 180, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.team-social a:hover {
    background: var(--gradient-primary);
    color: var(--white-color);
    transform: translateY(-5px);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .timeline-content {
        width: calc(50% - 60px);
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        margin-right: 60px;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
    }
}

@media (max-width: 992px) {
    .history-timeline::before {
        left: 40px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-left: 100px;
        padding-right: 20px;
    }
    
    .timeline-content {
        width: 100%;
        margin: 0 !important;
    }
    
    .timeline-year {
        left: 0 !important;
        right: auto !important;
        width: 80px;
        height: 80px;
        font-size: 1.3rem;
        top: 20px;
    }
    
    .values-grid,
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }
    
    .value-card {
        padding: 40px 25px;
    }
    
    .team-member-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .history-section,
    .our-values,
    .management-team {
        padding: 80px 0;
    }
    
    .values-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        padding: 25px;
    }
}

@media (max-width: 576px) {
    .history-section,
    .our-values,
    .management-team {
        padding: 60px 0;
    }
    
    .timeline-content h4 {
        font-size: 1.2rem;
    }
    
    .value-card h4,
    .team-member h4 {
        font-size: 1.3rem;
    }
    
    .value-icon-container {
        width: 80px;
        height: 80px;
    }
    
    .value-icon {
        font-size: 2.2rem;
    }
    
    .team-member-image {
        height: 250px;
    }


}