/* 关于页面样式 */
.about-page {
    max-width: 1200px;
    margin: 160px auto 60px;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* 页面标题 */
.about-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-header h1 {
    font-size: 36px;
    color: var(--text-color);
    margin-bottom: 15px;
    font-weight: normal;
}

.about-header .subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* 内容区域 */
.about-content {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

/* 个人简介部分 */
.about-section.profile {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.profile-image {
    flex: 0 0 200px;
}

.profile-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.profile-info {
    flex: 1;
}

.profile-info h2 {
    font-size: 28px;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: normal;
}

.profile-info p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.profile-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 技能部分 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-category h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: normal;
}

.skill-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skill-list li {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.skill-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* 工作经历部分 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent-color);
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-date {
    position: absolute;
    left: -45px;
    top: 0;
    font-size: 14px;
    color: var(--text-secondary);
    background-color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
}

.timeline-content {
    background-color: var(--secondary-color);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.timeline-content .company {
    font-size: 14px;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 兴趣爱好部分 */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.interest-item {
    text-align: center;
    padding: 30px;
    background-color: var(--secondary-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.interest-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.interest-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.interest-item h3 {
    font-size: 18px;
    color: var(--text-color);
    margin-bottom: 12px;
    font-weight: normal;
}

.interest-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 900px) {
    .about-page {
        margin-top: 140px;
    }
    
    .about-section.profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .profile-image {
        flex: 0 0 150px;
        margin-bottom: 30px;
    }
    
    .profile-stats {
        justify-content: center;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-date {
        position: relative;
        left: 0;
        top: 0;
        margin-bottom: 15px;
        display: inline-block;
    }
}

@media (max-width: 600px) {
    .about-header h1 {
        font-size: 28px;
    }
    
    .about-header .subtitle {
        font-size: 16px;
    }
    
    .profile-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .skills-grid,
    .interests-grid {
        grid-template-columns: 1fr;
    }
}