/* 核心布局 */
.about-container {
    max-width: 1440px;
    margin: 100px auto 0;
    padding: 0 2rem;
}

/* 通用内容模块 */
.about-section {
    background: white;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    margin-bottom: 3rem;
    padding: 4rem;
}

/* 时间轴布局 */
.timeline {
    position: relative;
    padding-left: 180px;
    margin: 3rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 85px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.timeline-year {
    position: absolute;
    left: -150px;
    top: 1rem;
    width: 100px;
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary-color);
}

/* 团队展示 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    text-align: center;
    padding: 1.5rem;
    transition: transform var(--transition-base);
}

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 3px solid var(--accent-color);
}

/* 合作伙伴 */
.partners-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    padding: 2rem 0;
}

.partner-logo {
    width: 160px;
    height: 80px;
    object-fit: contain;
    opacity: 0.8;
    transition: all var(--transition-base);
}

.partner-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .timeline {
        padding-left: 0;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-year {
        position: static;
        display: block;
        margin-bottom: 1rem;
    }
}
.content-image{
    width: 50px;
    height: 50px;
}
::after {
    position: absolute;
    left: 45px; /* 从左侧起始 */
    bottom: -20px; /* 贴紧文字底部 */
    width: 100%; /* 继承容器宽度 */
}