/* 开源许可页面样式 */

/* 页头增强 */
.opensource-header {
  background: linear-gradient(135deg, #f0f4ff 0%, #fef3f8 50%, #f0f4ff 100%);
  position: relative;
  overflow: hidden;
}

.opensource-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(155, 89, 244, 0.05) 0%, transparent 70%);
  animation: rotate 30s linear infinite;
}

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

.opensource-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}

.title-icon {
  font-size: 3rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* 统计信息 */
.opensource-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  margin-top: 2rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(155, 89, 244, 0.1);
}

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

.stat-number {
  font-family: 'Quicksand', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

/* 开源理念 */
.opensource-philosophy {
  padding: 4rem 0;
  background: white;
}

.philosophy-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(10deg); }
}

.philosophy-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.philosophy-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.philosophy-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.badge {
  padding: 0.75rem 1.5rem;
  background: var(--bg-gradient);
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.badge:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

/* 项目区域 */
.projects-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 项目分类 */
.project-category {
  margin-bottom: 4rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.category-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.category-header h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.category-count {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  background: var(--bg-light);
  border-radius: 50px;
}

/* 项目网格 */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

/* 项目卡片 */
.project-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

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

/* 特色项目 */
.project-card.featured {
  grid-column: span 1;
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(155, 89, 244, 0.02), rgba(77, 209, 197, 0.02));
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* 项目头部 */
.project-header {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--border-color);
}

.project-icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--primary);
  stroke-width: 2;
}

.project-meta {
  flex: 1;
}

.project-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.project-type {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  background: rgba(155, 89, 244, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
}

/* 项目描述 */
.project-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* 特性标签 */
.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-tag {
  padding: 0.4rem 1rem;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.feature-tag:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* 项目亮点 */
.project-highlights {
  background: var(--bg-light);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--primary);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.highlight-icon {
  font-size: 1.2rem;
}

/* 项目底部 */
.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.project-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-light);
  border: 2px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.project-link:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateX(3px);
}

.project-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.project-link.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-color: var(--primary);
}

.project-link.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(155, 89, 244, 0.3);
}

/* MIT 许可证区域 */
.license-section {
  padding: 4rem 0;
  background: white;
}

.license-card {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--bg-gradient);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 2px solid var(--border-color);
}

.license-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
}

.license-icon {
  font-size: 3rem;
}

.license-header h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.license-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

.permission-group h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.permission-group ul {
  list-style: none;
  padding: 0;
}

.permission-group li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.permission-group li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.license-note {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--primary);
}

.license-note p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 贡献指南 */
.contribute-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.contribute-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contribute-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contribute-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.contribute-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

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

.contribute-number {
  width: 50px;
  height: 50px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.contribute-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.contribute-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  font-size: 0.95rem;
}

.contribute-cta {
  text-align: center;
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
}

.contribute-cta p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* 联系区域 */
.opensource-contact {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.contact-box {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: white;
}

.contact-box h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-box p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.contact-btn span:first-child {
  font-size: 1.3rem;
}

/* 响应式 */
@media (max-width: 768px) {
  .opensource-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .stat-divider {
    width: 80%;
    height: 1px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .license-permissions {
    grid-template-columns: 1fr;
  }
  
  .contribute-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-buttons {
    flex-direction: column;
  }
  
  .philosophy-badges {
    flex-direction: column;
    align-items: stretch;
  }
  
  .badge {
    text-align: center;
  }
}