/* ========================================
   首页专用样式
   ======================================== */

/* ========== Hero 区域 ========== */
.hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-20);
  position: relative;
  overflow: visible;
  background-image: 
    radial-gradient(ellipse at 20% 30%, rgba(0, 82, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
    var(--bg-grid-pattern);
  background-size: 100% 100%, 100% 100%, 40px 40px;
}

.text-highlight {
  color: var(--primary-cyan);
  font-weight: var(--font-weight-semibold);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.8;
}

/* Hero 搜索框 */
.hero-search {
  margin-bottom: var(--space-8);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-muted);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  transition: all var(--transition-base);
}

.search-box:focus-within {
  border-color: rgba(0, 82, 255, 0.4);
  background: var(--bg-muted);
  box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.1);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-box .input {
  padding-left: calc(var(--space-4) + 24px + var(--space-3));
  border: none;
  background: transparent;
  flex: 1;
}

.search-box .input:focus {
  box-shadow: none;
}

.search-large {
  padding: var(--space-3);
  max-width: 680px;
}

.search-large .input {
  font-size: var(--font-size-lg);
  padding: var(--space-4) calc(var(--space-4) + 24px + var(--space-3));
}

.search-large .btn {
  padding: var(--space-3) var(--space-6);
}

/* 快速筛选标签 */
.quick-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.filter-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

.filter-tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  background: var(--bg-muted);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-base);
}

.filter-tag:hover {
  color: var(--text-primary);
  background: var(--bg-muted-active);
  transform: translateY(-1px);
}

/* Hero CTA 按钮 */
.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-cta .btn-primary {
  background: var(--primary-gradient);
  box-shadow: 0 4px 20px rgba(0, 82, 255, 0.3), var(--inner-glow);
  border: 1px solid var(--card-border);
  position: relative;
  overflow: hidden;
}

.hero-cta .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.hero-cta .btn-primary:hover::before {
  left: 100%;
}

.hero-cta .btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0, 82, 255, 0.4), var(--inner-glow);
  transform: translateY(-2px);
}

.hero-cta .btn-secondary {
  background: var(--bg-muted);
  border: 1px solid var(--card-border-hover);
  backdrop-filter: blur(10px);
}

.hero-cta .btn-secondary:hover {
  background: var(--bg-muted-hover);
  border-color: var(--card-border-hover);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.hero-trust strong {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

/* Hero 视觉区 */
.hero-visual {
  position: relative;
}

.featured-carousel {
  position: relative;
}

.featured-card {
  display: none;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  animation: fadeIn 0.6s ease-out;
}

.featured-card.active {
  display: block;
}

.featured-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 82, 255, 0.3);
  box-shadow: var(--shadow-glow-hover);
}

.featured-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.featured-info {
  padding: var(--space-6);
}

.featured-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.featured-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.founder {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.founder img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
}

.founder img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
}

.stage-tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: rgba(0, 82, 255, 0.15);
  color: var(--primary-cyan);
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 82, 255, 0.2);
}

.funding-progress {
  margin-top: var(--space-4);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.raised {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

.target {
  color: var(--text-secondary);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-muted-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
  box-shadow: 0 0 10px rgba(0, 82, 255, 0.4);
  position: relative;
}

.progress-fill::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;
}

.supporters {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-muted-active);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.indicator.active {
  background: var(--primary-blue);
  width: 24px;
  border-radius: var(--radius-full);
}

.indicator:hover {
  background: rgba(0, 82, 255, 0.6);
}

/* Hero 波浪过渡 */
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  pointer-events: none;
}

.hero-wave svg {
  width: 100%;
  height: 100%;
}

.hero-wave svg path {
  fill: var(--bg-elevated);
}

/* ========== 分类导航区 ========== */
.categories {
  padding: var(--space-12) 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

/* ========== 成功案例区 ========== */
.success-stories-section {
  padding: var(--space-20) 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  text-align: center;
}

.success-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

@media (max-width: 1024px) {
  .success-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.success-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.success-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.success-card:hover::before {
  opacity: 1;
}

.success-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: rgba(0, 230, 176, 0.15);
  border: 1px solid rgba(0, 230, 176, 0.3);
  border-radius: var(--radius-full);
  color: var(--success);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.success-logo {
  margin-bottom: var(--space-4);
}

.logo-placeholder {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--card-border);
}

.success-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.success-amount {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-cyan);
  margin-bottom: var(--space-4);
}

.success-quote {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-5);
  padding-left: var(--space-3);
  border-left: 3px solid var(--primary-blue);
}

.success-founder {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--card-border);
}

.founder-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.founder-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.founder-role {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* 成功案例中 loadSuccessGrid 生成的类名 */
.success-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--card-border);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.author-title {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.success-stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--card-border);
}

.success-stats .stat {
  text-align: center;
}

.success-stats .stat-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--primary-cyan);
}

.success-stats .stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* ========== 合作投资机构 ========== */
.investors-section {
  padding: var(--space-16) 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.investor-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

@media (max-width: 1024px) {
  .investor-logos {
    grid-template-columns: repeat(2, 1fr);
  }
}

.investor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg-muted);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.investor-logo:hover {
  background: var(--bg-muted-strong);
  border-color: var(--card-border-hover);
  transform: translateY(-2px);
}

.logo-box {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-tertiary);
  transition: color var(--transition-base);
}

.investor-logo:hover .logo-box {
  color: var(--text-primary);
}

.investors-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: rgba(0, 82, 255, 0.1);
  border: 1px solid rgba(0, 82, 255, 0.2);
  border-radius: var(--radius-xl);
}

.investors-cta p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

.category-scroll {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  padding: var(--space-2) 0;
  scrollbar-width: none;
  justify-content: center;
}

.category-scroll::-webkit-scrollbar {
  display: none;
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  min-width: 100px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-slow);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--bg-muted);
  border: 1px solid var(--card-border);
}

.category-item:hover {
  color: var(--text-primary);
  background: var(--bg-muted);
  border-color: var(--card-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.category-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 212, 255, 0.1) 100%);
  border: 1px solid rgba(0, 82, 255, 0.2);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.category-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-item:hover .category-icon::before {
  opacity: 1;
}

.category-item:hover .category-icon {
  background: linear-gradient(135deg, rgba(0, 82, 255, 0.25) 0%, rgba(0, 212, 255, 0.18) 100%);
  border-color: rgba(0, 82, 255, 0.4);
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 82, 255, 0.2);
}

.category-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--text-primary);
  stroke-width: 1.2;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* ========== 推荐项目区 ========== */
.featured-section {
  padding: var(--space-20) 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-fire {
  font-size: var(--font-size-2xl);
}

.view-all {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary-cyan);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
}

.view-all:hover {
  gap: var(--space-3);
  color: var(--text-primary);
}

/* 项目卡片网格 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1400px) {
  .featured-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
}

/* 项目卡片 */
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-card);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

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

.project-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  position: relative;
}

.cover-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.project-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--badge-bg);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  border: 1px solid var(--card-border);
  box-shadow: var(--badge-shadow);
}

.project-content {
  padding: var(--space-5);
}

.project-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.project-tags .tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: rgba(0, 82, 255, 0.12);
  color: var(--accent-blue);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 82, 255, 0.2);
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.founder-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.founder-info img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
}

.project-funding {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--card-border);
}

.project-stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.project-stats .stat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-stats .stat svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ========== 资讯中心 ========== */
.news-section {
  padding: var(--space-20) 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

.news-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dot-pattern);
  background-size: 30px 30px;
  pointer-events: none;
  opacity: 0.5;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* 左侧主推区 */
.news-featured-col {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.news-featured-col:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-card-hover);
}

/* 右侧列表区 */
.news-list-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.news-side-col {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  flex: 1;
}

.news-side-col:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--card-border);
}

.category-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.category-title-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  background: var(--bg-muted);
  border: 1px solid var(--card-border);
}

.category-more {
  font-size: var(--font-size-sm);
  color: var(--primary-cyan);
  text-decoration: none;
  transition: all var(--transition-base);
}

.category-more:hover {
  color: var(--text-primary);
}

/* 资讯卡片 */
.news-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  display: block;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.news-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  background: var(--bg-muted);
}

.news-card.featured {
  background: rgba(0, 82, 255, 0.08);
  border: 1px solid rgba(0, 82, 255, 0.15);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.news-card.featured.large {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-5);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  background: rgba(0, 82, 255, 0.1);
  border: 1px solid rgba(0, 82, 255, 0.2);
}

@media (max-width: 768px) {
  .news-card.featured.large {
    grid-template-columns: 1fr;
  }
}

.news-card-cover {
  position: relative;
  height: 120px;
  margin-bottom: var(--space-3);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.news-card.featured.large .news-card-cover {
  height: 180px;
  margin-bottom: 0;
}

.news-card-cover .cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

.news-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.news-tag {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  border: 1px solid var(--card-border-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.news-card-content {
  margin-top: var(--space-2);
}

.news-card.featured.large .news-card-content {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-card-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-base);
}

.news-card:hover .news-card-title {
  color: var(--accent-blue);
}

.news-card.featured.large .news-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  -webkit-line-clamp: 3;
  margin-bottom: var(--space-3);
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card.featured.large .news-card-excerpt {
  font-size: var(--font-size-base);
}

.news-card-meta {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* 索引页 loadNews() 生成的类名（匹配 news-card 内联结构） */
.news-badge {
  display: inline-flex;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: rgba(0, 82, 255, 0.15);
  color: var(--primary-cyan);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
}

.news-info {
  background: rgba(0, 82, 255, 0.15);
  color: var(--primary-cyan);
}

.news-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.news-announcement {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.news-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.news-date {
  color: var(--text-tertiary);
}

.news-views {
  color: var(--primary-cyan);
  text-decoration: none;
  transition: color var(--transition-base);
}

.news-views:hover {
  color: var(--text-primary);
}

/* ========== 数据统计区 ========== */
.stats-section {
  padding: var(--space-20) 0;
  position: relative;
}

.stats-container {
  background: var(--stats-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.stats-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-border), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-container {
    padding: var(--space-8);
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.stat-card {
  padding: var(--space-8);
  text-align: center;
  background: var(--bg-muted);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: var(--bg-muted-strong);
  border-color: rgba(0, 82, 255, 0.2);
  transform: translateY(-4px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, rgba(0, 82, 255, 0.2) 0%, rgba(0, 212, 255, 0.15) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 82, 255, 0.25);
}

.stat-icon.blue {
  background: linear-gradient(135deg, rgba(0, 82, 255, 0.2) 0%, rgba(0, 212, 255, 0.15) 100%);
  border-color: rgba(0, 82, 255, 0.25);
}

.stat-icon.green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(52, 211, 153, 0.15) 100%);
  border-color: rgba(16, 185, 129, 0.25);
}

.stat-icon.orange {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(251, 191, 36, 0.15) 100%);
  border-color: rgba(245, 158, 11, 0.25);
}

.stat-icon.purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(192, 132, 252, 0.15) 100%);
  border-color: rgba(139, 92, 246, 0.25);
}

.stat-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-primary);
  stroke-width: 1.5;
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ========== 超窄屏（480px）优化 ========== */
@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .hero-search .search-large {
    padding: var(--space-2);
  }

  .hero-search .search-large .input {
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-3) var(--space-3) calc(var(--space-4) + 24px + var(--space-2));
    min-width: 0;
    width: 100%;
  }

  .hero-search .search-large .btn {
    flex-shrink: 0;
  }

  .project-content {
    padding: var(--space-4);
  }

  .project-title {
    font-size: var(--font-size-base);
  }

  .project-cover {
    height: 160px;
  }

  .stats-container {
    padding: var(--space-6);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .investor-logos {
    grid-template-columns: 1fr;
  }

  .success-card {
    padding: var(--space-5);
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .featured-section,
  .success-stories-section,
  .news-section,
  .stats-section,
  .investors-section {
    padding: var(--space-12) 0;
  }
}

/* ========== 超窄屏（400px）极限优化 ========== */
@media (max-width: 400px) {
  .hero-title {
    font-size: 24px;
  }

  .hero-search .search-large {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .hero-search .search-large .btn {
    width: 100%;
    justify-content: center;
  }

  .project-cover {
    height: 140px;
  }

  .project-content {
    padding: var(--space-3);
  }

  .project-stats {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
}

/* ========== 响应式调整 ========== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: calc(72px + var(--space-8));
    padding-bottom: var(--space-12);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
}

/* ========== 动画类 ========== */
.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.slide-up {
  animation: slideUp 0.8s ease-out;
}