/* 关于我页面专用样式 */

/* 浮动动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.header-content {
    position: relative;
    z-index: 2;
    animation: float 3s ease-in-out 1;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.page-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* 个人简介区域 */
.profile-intro {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
    position: relative;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.intro-description:nth-child(3) {
    animation-delay: 0.2s;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 头像区域 */
.intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-avatar {
    position: relative;
    width: 300px;
    height: 300px;
}

.avatar-ring {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 4px solid transparent;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: subtract;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: subtract;
    animation: rotate 10s linear infinite;
}

.avatar-image {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: linear-gradient(135deg, #f8faff, #e8f4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* 技能详情区域 */
.skills-detail {
    padding: 100px 0;
    background: white;
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.skill-category {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    border-color: rgba(102, 126, 234, 0.2);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.category-icon {
    font-size: 2rem;
    padding: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    position: relative;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
}

.skill-level {
    font-weight: 600;
    color: var(--primary-color);
}

.skill-bar {
    height: 8px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
    position: relative;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

/* 教育背景区域 */
.education {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 2rem;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 4px white, 0 0 0 8px rgba(102, 126, 234, 0.2);
}

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    margin-left: calc(50% + 2rem);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 2rem;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 12px solid white;
}

.timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 兴趣爱好区域 */
.interests {
    padding: 100px 0;
    background: white;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.interest-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.interest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.interest-card:hover::before {
    transform: scaleX(1);
}

.interest-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    border-color: rgba(102, 126, 234, 0.2);
}

.interest-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.interest-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.interest-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 联系CTA区域 */
.contact-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* 动画效果 */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(2) {
    animation-delay: 0.2s;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .profile-avatar {
        width: 250px;
        height: 250px;
    }
    
    .timeline::before {
        left: 2rem;
    }
    
    .timeline-marker {
        left: 2rem;
    }
    
    .timeline-content {
        margin-left: 4rem;
    }
    
    .timeline-content::before {
        left: -12px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .intro-text h2 {
        font-size: 2.2rem;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .profile-avatar {
        width: 200px;
        height: 200px;
    }
    
    .avatar-image {
        font-size: 3rem;
    }
    
    .timeline-content {
        margin-left: 3rem;
        padding: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .profile-intro,
    .skills-detail,
    .education,
    .interests,
    .contact-cta {
        padding: 60px 0;
    }
    
    .skill-category,
    .interest-card {
        padding: 2rem 1.5rem;
    }
    
    .timeline-content {
        margin-left: 2.5rem;
        padding: 1.5rem;
    }
}