/* GitHub 风格科幻主题 */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-primary: #58a6ff;
    --accent-secondary: #79c0ff;
    --border-color: #30363d;
    --hover-bg: #1c2128;
    --glow-color: #58a6ff;
    --success: #3fb950;
    --warning: #d29922;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 导航栏 */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
    animation: pulse 2s ease-in-out infinite;
}

.logo-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--accent-primary);
    background-color: var(--hover-bg);
}

/* 主要内容 */
.main-content {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 24px;
    position: relative;
}

.page {
    display: none;
    animation: fadeIn 0.4s ease-in;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* 首页 Hero 区域 */
.hero-section {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px 0;
}

.glitch-container {
    margin-bottom: 30px;
}

.glitch {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    position: relative;
    text-shadow: 
        0 0 10px var(--glow-color),
        0 0 20px var(--glow-color),
        0 0 30px var(--glow-color);
    animation: glitch 3s infinite;
    margin-bottom: 16px;
}

@keyframes glitch {
    0%, 100% {
        text-shadow: 
            0 0 10px var(--glow-color),
            0 0 20px var(--glow-color),
            0 0 30px var(--glow-color);
    }
    25% {
        text-shadow: 
            -2px 0 #ff0080,
            2px 0 #00ffff,
            0 0 10px var(--glow-color);
    }
    50% {
        text-shadow: 
            2px 0 #ff0080,
            -2px 0 #00ffff,
            0 0 10px var(--glow-color);
    }
    75% {
        text-shadow: 
            -2px 0 #00ffff,
            2px 0 #ff0080,
            0 0 10px var(--glow-color);
    }
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
    text-align: center;
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 内容区域 */
.content-section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.overview-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

.overview-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.1);
}

.overview-card h3 {
    color: var(--accent-primary);
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.overview-card ul {
    list-style: none;
    padding-left: 0;
}

.overview-card li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.overview-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* CTA 区域 */
.cta-section {
    text-align: center;
    padding: 60px 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 40px;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid;
    display: inline-block;
}

.cta-btn.primary {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.cta-btn.primary:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.4);
}

.cta-btn.secondary {
    background-color: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.cta-btn.secondary:hover {
    background-color: var(--hover-bg);
    transform: translateY(-2px);
}

.cta-btn.tertiary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.cta-btn.tertiary:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* 页面头部 */
.page-header {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.page-header h1 {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 16px;
    text-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* 内容网格 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.content-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

.content-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.1);
}

.content-card.large {
    grid-column: span 2;
}

.content-card h2 {
    color: var(--accent-primary);
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.content-card p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.8;
}

/* 特性列表 */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* 场景列表 */
.scenario-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.scenario-item {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-primary);
}

.scenario-item h3 {
    color: var(--accent-primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.scenario-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* 个人资料区域 */
.profile-section {
    max-width: 900px;
    margin: 0 auto;
}

.profile-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.profile-avatar {
    flex-shrink: 0;
}

.avatar-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    color: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    box-shadow: 0 0 30px rgba(88, 166, 255, 0.3);
}

.profile-info h2 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 8px;
}

.profile-title {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 技能标签 */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    background: var(--hover-bg);
    transform: translateY(-2px);
}

/* 联系信息 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item span:last-child {
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 60px;
}

.footer p {
    margin: 4px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 16px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 16px;
    }

    .glitch {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .content-card.large {
        grid-column: span 1;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .profile-card {
        flex-direction: column;
        text-align: center;
    }
}