/* 首页特定样式 */

/* 英雄区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.vr-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-cube,
.floating-sphere,
.floating-pyramid {
    position: absolute;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-cube {
    width: 60px;
    height: 60px;
    background: var(--vr-gradient);
    top: 20%;
    right: 15%;
    animation-delay: 0s;
    transform: rotate(45deg);
}

.floating-sphere {
    width: 40px;
    height: 40px;
    background: var(--vr-gradient);
    border-radius: 50%;
    top: 60%;
    left: 10%;
    animation-delay: 2s;
}

.floating-pyramid {
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 50px solid var(--primary-color);
    top: 40%;
    right: 25%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    min-height: 80vh;
}

.hero-text {
    animation-delay: 0.2s;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.hero-title .highlight {
    background: var(--vr-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

.btn-icon {
    margin-left: var(--spacing-sm);
    transition: var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* VR头显可视化 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.vr-headset {
    position: relative;
    width: 300px;
    height: 200px;
    animation: floatHeadset 4s ease-in-out infinite;
}

@keyframes floatHeadset {
    0%, 100% { transform: translateY(0px) rotateY(0deg); }
    50% { transform: translateY(-10px) rotateY(5deg); }
}

.headset-body {
    width: 280px;
    height: 120px;
    background: var(--vr-gradient);
    border-radius: 60px;
    position: relative;
    box-shadow: var(--shadow-heavy);
}

.headset-body::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40px;
}

.headset-strap {
    position: absolute;
    top: -10px;
    left: -20px;
    right: -20px;
    height: 20px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 10px;
}

.headset-lens {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    top: 30px;
    box-shadow: inset 0 0 20px rgba(22, 93, 255, 0.3);
}

.headset-lens.left {
    left: 60px;
}

.headset-lens.right {
    right: 60px;
}

.headset-lens::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    background: var(--vr-gradient);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.7;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.9; }
}

/* 技能概览 */
.skills-overview {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 60px;
    height: 4px;
    background: var(--vr-gradient);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.skill-card {
    background: var(--bg-color);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid var(--border-light);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

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

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

/* 最新项目 */
.latest-projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.section-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

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

.project-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.project-image {
    width: 100%;
    height: 200px;
    background: var(--vr-gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.project-tag {
    background: var(--vr-gradient-light);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* 最新博客 */
.latest-blog {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-color);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid var(--border-light);
    transition: var(--transition-normal);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.blog-read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.blog-read-more:hover {
    color: var(--secondary-color);
}

/* 联系CTA */
.contact-cta {
    padding: var(--spacing-3xl) 0;
    background: var(--vr-gradient-light);
    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"><circle cx="50" cy="50" r="2" fill="rgba(22,93,255,0.1)"/></svg>');
    background-size: 30px 30px;
    animation: dotMove 10s linear infinite;
}

@keyframes dotMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}

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

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 加载占位符 */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    color: var(--text-light);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    min-height: 200px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .vr-headset {
        width: 250px;
        height: 160px;
    }
    
    .headset-body {
        width: 230px;
        height: 100px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }
    
    .skill-card {
        padding: var(--spacing-xl);
    }
    
    .project-content,
    .blog-card {
        padding: var(--spacing-lg);
    }
}