/* CSS变量 */
:root {
    --primary-color: #0A192F;
    --secondary-color: #64FFDA;
    --accent-color: #CCD6F6;
    --text-color: #8892B0;
    --bg-color: #0A192F;
    --card-bg: rgba(17, 25, 40, 0.8);
    --border-color: rgba(100, 255, 218, 0.2);
    --shadow-color: rgba(100, 255, 218, 0.1);
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links a.active {
    color: var(--secondary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* 英雄区 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    z-index: 1;
}

.hero-info {
    flex: 1;
    padding-right: 2rem;
}

.hero-info h1 {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-info .subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.hero-info .description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.typed-text {
    color: var(--secondary-color);
    font-weight: 500;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.2rem;
    background-color: var(--secondary-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    box-shadow: 0 0 10px rgba(100, 255, 218, 0.5);
}

.hero-avatar {
    flex: 0 0 300px;
}

.avatar-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--secondary-color);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(100, 255, 218, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(100, 255, 218, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(100, 255, 218, 0);
    }
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 技能展示 */
.skills {
    padding: 8rem 0;
    background-color: rgba(17, 25, 40, 0.5);
}

.section-title {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
    font-size: 2rem;
}

.section-number {
    color: var(--secondary-color);
    margin-right: 1rem;
    font-size: 1.5rem;
    font-weight: 300;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), transparent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(100, 255, 218, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.skill-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.skill-card p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.skill-progress {
    width: 100%;
    height: 8px;
    background-color: rgba(17, 25, 40, 0.8);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--secondary-color);
    border-radius: 4px;
    transition: width 1.5s ease;
}

/* 项目经验 */
.projects {
    padding: 8rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.project-content p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.project-link {
    color: var(--secondary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

/* 联系方式 */
.contact {
    padding: 8rem 0;
    background-color: rgba(17, 25, 40, 0.5);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--secondary-color);
}

.contact-link:hover i {
    transform: translateY(-5px);
    box-shadow: 0 5px 10px var(--shadow-color);
}

/* 页脚 */
.footer {
    background-color: rgba(10, 25, 47, 0.95);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.footer .container {
    text-align: center;
}

.footer p {
    color: var(--text-color);
}

/* 项目详情页 */
.projects-detail {
    padding: 8rem 0;
}

.page-title {
    color: var(--accent-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.project-detail-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.project-detail-header {
    margin-bottom: 2rem;
}

.project-detail-header h2 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.project-detail-content {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.project-detail-image {
    flex: 0 0 400px;
    height: 300px;
    overflow: hidden;
    border-radius: 8px;
}

.project-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-detail-info {
    flex: 1;
    min-width: 300px;
}

.project-detail-info h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.project-detail-info p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.project-detail-info ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-color);
}

.project-detail-info li {
    margin-bottom: 0.5rem;
}

/* 关于页面 */
.about {
    padding: 8rem 0;
}

.about-section {
    margin-bottom: 4rem;
}

.about-content {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.about-image {
    flex: 0 0 300px;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.about-info {
    flex: 1;
    min-width: 300px;
}

.about-info p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 2rem;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 2rem;
}

.timeline-date {
    color: var(--secondary-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.timeline-content {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.timeline-content h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* 技能详情 */
.skills-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.skill-category h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skill-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-name {
    flex: 0 0 100px;
    color: var(--accent-color);
}

.skill-progress {
    flex: 1;
    height: 8px;
    background-color: rgba(17, 25, 40, 0.8);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 1rem;
}

.skill-level {
    flex: 0 0 40px;
    text-align: right;
    color: var(--secondary-color);
}

/* 兴趣爱好 */
.hobbies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.hobby-item {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.hobby-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.hobby-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(100, 255, 218, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--secondary-color);
    font-size: 2rem;
}

.hobby-item h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.hobby-item p {
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }
    
    .hero-info {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .hero-info h1 {
        font-size: 2.5rem;
    }
    
    .hero-avatar {
        flex: 0 0 200px;
    }
    
    .avatar-container {
        width: 200px;
        height: 200px;
    }
    
    .nav-links {
        display: none;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0;
        padding-left: 60px;
        padding-right: 0;
        text-align: left;
    }
    
    .project-detail-content {
        flex-direction: column;
    }
    
    .project-detail-image {
        flex: 0 0 250px;
        width: 100%;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-image {
        flex: 0 0 250px;
        margin: 0 auto;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}