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


.pain-points-card {
    margin-top: 18px;
    background-color: #ffffff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.pain-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.pain-icon {
    font-size: 24px;
    margin-right: 15px;
    color: #e74c3c;
}

.pain-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #333;
}

.pain-item p {
    font-size: 16px;
    color: #666;
}

.despair-scenarios {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.scenario-list {
    margin-top: 15px;
}

.scenario-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.scenario-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #e74c3c;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-right: 10px;
}



/* 痛点增加代码开始 ***********************************/

/* 滚动显示动画 */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 数字递增动画 */
.count-animation {
    transition: all 0.2s ease;
}

/* 悬停效果 */
.pain-item {
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 8px;
}

/* 悬停效果 */
.pain-item1 {
    transition: all 0.3s ease;
    padding: 7px;
    border-radius: 8px;
}




.pain-item:hover {
    background-color: rgba(231, 76, 60, 0.05);
    transform: translateX(5px);
}

.pain-item:hover .pain-icon {
    animation: spin 0.5s ease;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    50% { transform: rotate(15deg); }
    100% { transform: rotate(0deg); }
}

/* 场景数字悬停效果 */
.scenario-number {
    transition: all 0.3s ease;
}

.scenario-item:hover .scenario-number {
    transform: scale(1.15);
    box-shadow: 0 0 8px rgba(231, 76, 60, 0.5);
}

/* 痛点增加代码结束***********************************/



:root {
  --primary-color: #2563eb;
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}


.root1 {
  --primary-color: #2563eb;
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --gradient-primary: linear-gradient(135deg, #d1dfff 0%, #ffffff 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* 英雄区域 */
.hero {
  height: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top:88px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0.9;
}

.hero-background::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("/placeholder.svg?height=1080&width=1920") center / cover;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 20px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.highlight {
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  margin-bottom: 3rem;
  opacity: 0.9;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 0.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-block;
}

.btn-primary {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(45deg);
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* 通用样式 */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 核心价值观 */
.values {
  background: var(--bg-light);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.value-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.value-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.value-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.value-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* 免费政策 */
.policy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.target-groups h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.group-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.group-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.group-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
}

.group-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.group-info h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.group-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.benefits-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.benefits-card h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.benefit-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.benefit-item h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.benefit-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 社会责任 */
.responsibility {
  background: var(--bg-light);
}

.responsibility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.resp-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.resp-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.resp-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.resp-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.resp-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.resp-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.resp-content ul {
  list-style: none;
  padding: 0;
}

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

.resp-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.sustainability-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.flow-item {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
}

.flow-arrow {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: bold;
}

.impact-stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

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

.impact-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
}

.impact-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 用户群体说明 */
.user-groups {
  background: white;
}

.groups-tabs {
  max-width: 800px;
  margin: 0 auto;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 1rem 2rem;
  border: 2px solid var(--border-color);
  background: white;
  color: var(--text-secondary);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-content h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--text-primary);
}

.message-card {
  background: var(--bg-light);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.message-card p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.message-card strong {
  color: var(--text-primary);
}

.guarantee-list,
.premium-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.guarantee-item,
.benefit {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

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

.commitment {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.commitment h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.commitment p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* 联系我们 */
.contact {
  background: var(--bg-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  background: white;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.contact-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.contact-details h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-details p {
  color: var(--text-secondary);
  font-weight: 500;
}

.qr-codes {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.qr-item {
  text-align: center;
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.qr-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.qr-code {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: var(--bg-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border: 2px dashed var(--border-color);
}

.placeholder-icon {
  font-size: 2rem;
  color: var(--text-secondary);
}

.qr-item p {
  font-weight: 500;
  color: var(--text-primary);
}

/* 底部 */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.footer-section p,
.footer-section li {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  padding: 0.25rem 0;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .policy-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .qr-codes {
    justify-content: center;
  }

  .responsibility-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .tab-buttons {
    flex-direction: column;
    align-items: center;
  }

  .sustainability-flow {
    flex-direction: column;
  }

  .impact-stats {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  section {
    padding: 3rem 0;
  }

  .value-card,
  .resp-card,
  .benefits-card {
    padding: 2rem;
  }

  .hero-content {
    padding: 0 15px;
  }

  .guarantee-list,
  .premium-benefits {
    grid-template-columns: 1fr;
  }

  .transparency-commitments {
    grid-template-columns: 1fr;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #1d4ed8;
}

/* 扩展的免费群体样式 */
.group-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.category-section h4 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.group-info h5 {
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text-primary);
  font-size: 1rem;
}

/* 政策合理性解释样式 */
.policy-explanation {
  background: white;
  padding: 5rem 0;
}

.explanation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.explanation-card {
  background: var(--bg-light);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.explanation-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
    justify-content: center;
}

.card-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.card-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-content h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

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

.card-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.criteria-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.criteria-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

.criteria-label {
  font-weight: 500;
  color: var(--text-primary);
}

.criteria-value {
  font-weight: 600;
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.9rem;
}

.value-metrics {
  display: flex;
  justify-content: space-around;
  gap: 1rem;
}

.metric {
  text-align: center;
}

.metric-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* 专家评价样式 */
.expert-reviews {
  background: var(--bg-light);
  padding: 5rem 0;
}

.reviews-container {
  max-width: 1000px;
  margin: 0 auto;
}

.featured-review {
  background: white;
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.expert-avatar {
  font-size: 2.5rem;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.expert-info h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.expert-info p {
  color: var(--text-secondary);
  font-weight: 500;
}

.review-content blockquote {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-primary);
  font-style: italic;
  position: relative;
  padding: 0 2rem;
  border-left: 4px solid var(--primary-color);
  margin: 0;
}

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

.review-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.review-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.review-quote {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  font-style: italic;
}

.review-quote::before {
  content: '"';
  font-size: 3rem;
  color: var(--primary-color);
  position: absolute;
  top: -10px;
  left: -10px;
  opacity: 0.3;
}

.review-author {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.author-title {
  font-weight: 600;
  color: var(--text-primary);
}

.author-org {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 响应式适配 */
@media (max-width: 768px) {
  .group-categories {
    gap: 2rem;
  }

  .explanation-grid {
    grid-template-columns: 1fr;
  }

  .explanation-card {
    padding: 2rem;
  }

  .featured-review {
    padding: 2rem;
  }

  .review-header {
    flex-direction: column;
    text-align: center;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .criteria-list {
    gap: 0.5rem;
  }

  .value-metrics {
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .card-header {
    flex-direction: column;
    text-align: center;
  }

  .criteria-item {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .review-content blockquote {
    padding: 0 1rem;
    font-size: 1.1rem;
  }
}

/* 为什么我们这样做 */
.why-we-do {
  background: white;
  padding: 5rem 0;
}

.why-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.why-intro {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.why-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  transform: translateX(10px);
}

.why-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
  flex-shrink: 0;
}

.why-desc h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.why-desc p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.platform-mission {
  background: var(--bg-light);
  border-radius: 20px;
  padding: 0;
}

.mission-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  height: 100%;
}

.mission-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  text-align: center;
}

.mission-content p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.mission-content strong {
  color: var(--text-primary);
}

.cost-breakdown {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: 15px;
  margin-top: 1.5rem;
}

.cost-breakdown h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cost-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.cost-item {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  font-size: 0.9rem;
}

/* 法律依据 */
.legal-basis {
  background: var(--bg-light);
  padding: 5rem 0;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.legal-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.legal-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.legal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.legal-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.legal-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.legal-content blockquote {
  background: var(--bg-light);
  padding: 1.5rem;
  border-left: 4px solid var(--primary-color);
  border-radius: 10px;
  margin: 1rem 0;
  font-style: italic;
  color: var(--text-primary);
}

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

.founder-statement {
  max-width: 800px;
  margin: 0 auto;
}

.statement-card {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  text-align: center;
}

.founder-quote {
  font-size: 1.3rem;
  line-height: 1.8;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 2rem;
  position: relative;
}

.founder-quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  position: absolute;
  top: -20px;
  left: -20px;
  opacity: 0.3;
}

.quote-author {
  font-weight: 600;
  color: var(--primary-color);
}

/* 成功案例 */
.success-stories {
  background: white;
  padding: 5rem 0;
}

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.story-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.story-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.story-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.story-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.story-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.story-meta h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.story-tag {
  background: var(--gradient-accent);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.story-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  position: relative;
}

.story-content p::before {
  content: '"';
  font-size: 2rem;
  color: var(--primary-color);
  position: absolute;
  top: -5px;
  left: -10px;
  opacity: 0.3;
}

/* 呼吁板块 */
.appeal-section {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  margin-top: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.appeal-section h4 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
}

.appeal-content p {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.appeal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.appeal-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.appeal-item:hover {
  background: white;
  box-shadow: var(--shadow-sm);
}

.appeal-icon {
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
  flex-shrink: 0;
}

.appeal-text h5 {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.appeal-text p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
  text-align: left;
  margin: 0;
}

.hope-message {
  background: var(--gradient-primary);
  color: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
}

.hope-message h5 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hope-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.hope-item {
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

/* 响应式优化 */
@media (max-width: 768px) {
  .why-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .legal-grid {
    grid-template-columns: 1fr;
  }

  .stories-grid {
    grid-template-columns: 1fr;
  }

  .cost-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .appeal-grid {
    grid-template-columns: 1fr;
  }

  .hope-items {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .why-item {
    flex-direction: column;
    text-align: center;
  }

  .story-header {
    flex-direction: column;
    text-align: center;
  }

  .legal-header {
    flex-direction: column;
    text-align: center;
  }

  .cost-items {
    grid-template-columns: 1fr;
  }

  .founder-quote {
    font-size: 1.1rem;
  }

  .statement-card {
    padding: 2rem;
  }
}

/* 九宫格群体展示 */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.group-card {
  background: white;
  padding: 1rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.group-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.group-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.group-card .group-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  border-radius: 50%;
  margin: 0 auto 1rem;
}

.group-card h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.group-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.group-badge {
  background: var(--gradient-accent);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
}

/* 国家政策响应 */
.national-policy {
	
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 5rem 0;
  position: relative;
}


/* 新增国家号召代码开始 */


.parallax-element {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.parallax-element.visible {
  opacity: 1;
  visibility: visible;
}

/* 新增国家号召代码结束 */



.national-policy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("/placeholder.svg?height=800&width=1200") center / cover;
  opacity: 0.1;
}

.national-policy .section-header h2,
.national-policy .section-header p {
  color: white;
}

.policy-response-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.response-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  transition: all 0.3s ease;
}

.response-card:hover {
  transform: translateY(-10px);
  background: white;
}

.response-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.response-icon {
  font-size: 2.5rem;
  width: 70px;
  height: 70px;
  display: flex;
  /* align-items: center; */  /* cn不能居中显示 */
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
}

.response-header h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

.response-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.policy-quote {
  background: var(--bg-light);
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  font-style: italic;
  color: var(--text-primary);
  font-weight: 500;
}

/* 企业使命愿景 */
.company-mission {
  background: var(--bg-light);
  padding: 5rem 0;
}

.mission-vision {
  max-width: 1000px;
  margin: 0 auto;
}

.main-vision {
  margin-bottom: 3rem;
  background: white;
  padding: 3rem;
  border-radius: 25px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 2px solid var(--primary-color);
}

.main-vision .vision-content h4 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

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

.vision-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.vision-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.vision-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.vision-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-secondary);
  border-radius: 50%;
  color: white;
}

.vision-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

/* 社会影响力数据 */
.social-impact {
  background: white;
  padding: 5rem 0;
}

.impact-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.impact-stat-card {
  background: var(--bg-light);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.impact-stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
}

.impact-stat-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  background: white;
}

.impact-stat-card .stat-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.impact-stat-card .stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.impact-stat-card .stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.impact-stat-card .stat-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 权威认可 */
.authority-recognition {
  background: var(--bg-light);
  padding: 5rem 0;
}

.recognition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

.recognition-category h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
}

.recognition-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.recognition-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: all 0.3s ease;
}

.recognition-item:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-lg);
}

.recognition-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  color: white;
  flex-shrink: 0;
}

.recognition-content h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.recognition-content p {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.5;
}

/* 感人故事集锦 */
.touching-stories {
  background: white;
  padding: 5rem 0;
}

.stories-showcase {
  max-width: 1000px;
  margin: 0 auto;
}

.featured-story {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  background: var(--bg-light);
  padding: 3rem;
  border-radius: 25px;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.story-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.story-placeholder {
  width: 200px;
  height: 200px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
}

.story-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.story-tag {
  background: var(--gradient-secondary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  width: fit-content;
  margin-bottom: 1rem;
}

.featured-story h3 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.story-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.story-impact {
  display: flex;
  gap: 2rem;
}

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

.impact-item .impact-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.impact-item .impact-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.story-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.story-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.story-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.story-avatar {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  border-radius: 50%;
}

.story-meta h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.story-location {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.story-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

/* 未来规划 */
.future-planning {
  background: var(--bg-light);
  padding: 5rem 0;
}

.planning-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.planning-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-year {
  background: var(--gradient-primary);
  color: white;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
}

.timeline-content {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  flex: 1;
  margin: 0 2rem;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-goals {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.goal-tag {
  background: var(--gradient-accent);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
  .groups-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .group-card {
    padding: 1.5rem;
  }

  .policy-response-grid {
    grid-template-columns: 1fr;
  }

  .vision-grid {
    grid-template-columns: 1fr;
  }

  .impact-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .recognition-grid {
    grid-template-columns: 1fr;
  }

  .featured-story {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .story-grid {
    grid-template-columns: 1fr;
  }

  .planning-timeline::before {
    left: 20px;
  }

  .timeline-item {
    flex-direction: row !important;
    padding-left: 60px;
  }

  .timeline-year {
    position: absolute;
    left: 0;
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  .timeline-content {
    margin: 0;
  }
}

@media (max-width: 480px) {
  .impact-stats-grid {
    grid-template-columns: 1fr;
  }

  .story-impact {
    flex-direction: column;
    gap: 1rem;
  }

  .timeline-goals {
    justify-content: center;
  }
}

/* 返回顶部按钮 */
#back-to-top {
  /* 额外样式防止被覆盖 */
  outline: none;
  user-select: none;
  transition: opacity 0.3s;
}

#back-to-top:active {
  background: var(--secondary-color);
}

@media (max-width: 480px) {
  #back-to-top {
    right: 12px !important;
    bottom: 18px !important;
    width: 40px !important;
    height: 40px !important;
    font-size: 1.5rem !important;
  }
}