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

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

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

header {
  background: #f7f7f8;
  color: #202123;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
  padding: 1rem 0;
}

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

.nav-logo h1 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #202123;
}

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

.nav-menu a {
  color: #202123;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: #10a37f;
}

.nav-menu a.active,
.nav-menu a[aria-current="page"] {
  color: #10a37f;
  border-bottom: 2px solid #10a37f;
}

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: #202123;
  margin: 3px 0;
  transition: 0.3s;
}

main {
  margin-top: 80px;
}

.hero {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #ffffff;
  padding: 4rem 0;
}

.hero h1,
.hero h2,
.hero h3,
.hero p,
.hero li,
.hero span,
.hero small {
  color: #ffffff;
}

.hero a:not(.cta-button) {
  color: #ffffff;
}

.hero h1,
.hero h2,
.hero p {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: #ffd700;
  color: #333;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 25px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: #ffed4e;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.chatgpt-demo {
  background: rgba(255,255,255,0.15);
  border-radius: 15px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
}

.demo-header {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 1rem;
  text-align: center;
}

.demo-messages {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.user-message {
  background: rgba(255,255,255,0.2);
  padding: 1rem;
  border-radius: 10px;
  align-self: flex-end;
  max-width: 80%;
}

.ai-message {
  background: rgba(255,255,255,0.1);
  padding: 1rem;
  border-radius: 10px;
  align-self: flex-start;
  max-width: 80%;
}

.intro {
  padding: 4rem 0;
  background: white;
}

.intro h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 2rem;
  color: #333;
}

.intro-text {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #666;
}

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

.feature-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #10a37f;
}

.core-features {
  padding: 4rem 0;
  background: #f8f9fa;
}

.core-features h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.feature-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #333;
}

.feature-item p {
  color: #666;
}

.versions {
  padding: 4rem 0;
  background: white;
}

.versions h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.version-card {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  position: relative;
  transition: transform 0.3s ease;
}

.version-card:hover {
  transform: translateY(-5px);
}

.version-card.featured {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
}

.version-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.version-desc {
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.version-features {
  list-style: none;
  margin-bottom: 2rem;
}

.version-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.version-card.featured .version-features li {
  border-bottom-color: rgba(255,255,255,0.2);
}

.version-status {
  display: inline-block;
  background: #ffd700;
  color: #333;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: bold;
  font-size: 0.9rem;
}

.scenarios {
  padding: 4rem 0;
  background: #f8f9fa;
}

.scenarios h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.scenario-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.scenario-card:hover {
  transform: translateY(-5px);
}

.scenario-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.scenario-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #667eea;
}

.quick-start {
  padding: 4rem 0;
  background: white;
}

.quick-start h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #333;
}

.cta-section {
  text-align: center;
}


.highlight-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.highlight-card {
  background: white;
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

.highlight-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.highlight-header h2 {
  font-size: 2.5rem;
  color: #10a37f;
  margin: 0;
}

.release-date {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: bold;
}

.highlight-feature {
  margin-bottom: 2rem;
}

.highlight-feature h3 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1rem;
}

.highlight-feature p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.personality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.personality-item {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: bold;
  transition: transform 0.3s ease;
}

.personality-item:hover {
  transform: translateY(-2px);
}

.tech-comparison {
  padding: 4rem 0;
  background: white;
}

.comparison-table {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  margin-top: 2rem;
}

.table-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
}

.header-cell {
  padding: 1.5rem;
  font-weight: bold;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.2);
}

.header-cell.featured {
  background: #f8f9fa;
}

.table-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  border-bottom: 1px solid #eee;
}

.table-row:nth-child(even) {
  background: #f8f9fa;
}

.row-cell {
  padding: 1.5rem;
  text-align: center;
  border-right: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: center;
}

.row-cell:first-child {
  font-weight: bold;
  background: #f8f9fa;
  justify-content: flex-start;
}

.row-cell.featured {
  background: #f8f9fa;
  font-weight: bold;
  color: #212529;
}

.benchmark-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.benchmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.benchmark-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.benchmark-card h3 {
  text-align: center;
  margin-bottom: 2rem;
  color: #333;
  font-size: 1.5rem;
}

.score-comparison {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.score-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.score-item.featured .version-name {
  color: #212529;
  font-weight: bold;
}

.version-name {
  min-width: 80px;
  font-weight: 500;
}

.score-bar {
  flex: 1;
  height: 20px;
  background: #e9ecef;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.score-fill {
  height: 100%;
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  border-radius: 10px;
  transition: width 0.8s ease;
}

.score-item.featured .score-fill {
  background: #f8f9fa;
}

.score-number {
  min-width: 60px;
  text-align: right;
  font-weight: bold;
  color: #10a37f;
}

.score-item.featured .score-number {
  color: #212529;
}

.use-cases {
  padding: 4rem 0;
  background: white;
}

.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.recommendation-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 2px solid transparent;
}

.recommendation-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
  border-color: #10a37f;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.recommendation-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.recommend-version {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: bold;
  margin-bottom: 1rem;
  display: inline-block;
}

.feature-list {
  list-style: none;
  text-align: left;
  margin-top: 1rem;
}

.feature-list li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #10a37f;
  font-weight: bold;
}


.quick-start {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.quick-start-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.quick-start-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.mode-examples {
  text-align: left;
  margin-top: 1rem;
}

.mode-example {
  background: #f8f9fa;
  padding: 0.8rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  border-left: 4px solid #10a37f;
}

.style-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}

.style-item {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 0.5rem;
  border-radius: 6px;
  font-size: 0.9rem;
  text-align: center;
}

.reasoning-demo {
  text-align: left;
  margin-top: 1rem;
}

.reasoning-demo p {
  background: #f8f9fa;
  padding: 0.8rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  border-left: 4px solid #10a37f;
}

.detailed-guide {
  padding: 4rem 0;
  background: white;
}

.guide-section {
  margin-bottom: 4rem;
}

.guide-section h3 {
  font-size: 2rem;
  color: #10a37f;
  margin-bottom: 2rem;
  text-align: center;
}

.mode-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.mode-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.mode-card:hover {
  border-color: #10a37f;
  transform: translateY(-3px);
}

.mode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.mode-header h4 {
  font-size: 1.5rem;
  color: #333;
  margin: 0;
}

.mode-badge {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 0.3rem 1rem;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: bold;
}

.mode-badge.thinking {
  background: #f8f9fa;
}

.mode-description ul {
  list-style: none;
  padding: 0;
}

.mode-description li {
  padding: 0.3rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.mode-description li::before {
  content: "▶";
  position: absolute;
  left: 0;
  color: #10a37f;
}

.mode-example-box {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.example-conversation {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}

.example-conversation p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.style-selection {
  margin-top: 2rem;
}

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

.style-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 3px 15px rgba(0,0,0,0.1);
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.style-card:hover {
  border-color: #10a37f;
  transform: translateY(-2px);
}

.style-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.style-card h4 {
  font-size: 1.2rem;
  color: #333;
  margin-bottom: 0.5rem;
}

.style-card p {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.style-sample {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  text-align: left;
}

.advanced-prompts {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.prompt-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 2rem;
}

.prompt-category h3 {
  font-size: 1.8rem;
  color: #10a37f;
  margin-bottom: 1.5rem;
  text-align: center;
}

.prompt-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.prompt-example {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.prompt-example.good {
  border-left: 5px solid #10a37f;
}

.prompt-example.bad {
  border-left: 5px solid #dc3545;
}

.prompt-example h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.prompt-example.good h4 {
  color: #10a37f;
}

.prompt-example.bad h4 {
  color: #dc3545;
}

.prompt-example p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.practical-cases {
  padding: 4rem 0;
  background: white;
}

.case-showcase {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 2rem;
}

.case-item {
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  overflow: hidden;
}

.case-item h3 {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 1.5rem;
  margin: 0;
  font-size: 1.5rem;
}

.case-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
}

.case-input, .case-output {
  padding: 1.5rem;
  border-radius: 10px;
}

.case-input {
  background: #f8f9fa;
  border: 2px solid #e9ecef;
}

.case-output {
  background: #e8f5e8;
  border: 2px solid #10a37f;
}

.case-input h4, .case-output h4 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.output-content {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.faq-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.faq-item {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.faq-item h3 {
  color: #10a37f;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.faq-item p {
  line-height: 1.8;
  color: #555;
}

@media (max-width: 768px) {
  .mode-selection {
    grid-template-columns: 1fr;
  }
  
  .style-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .prompt-examples {
    grid-template-columns: 1fr;
  }
  
  .case-content {
    grid-template-columns: 1fr;
  }
  
  .highlight-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .personality-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .table-header, .table-row {
    grid-template-columns: 1fr;
  }
  
  .header-cell, .row-cell {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
  }
}


.breaking-news {
  padding: 3rem 0;
  background: #f8f9fa;
  color: #212529;
}

.breaking-news-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 3rem;
  backdrop-filter: blur(10px);
  border: 1px solid #e9ecef;
}

.breaking-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #212529;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.breaking-news-card h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #212529;
}

.breaking-summary {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.breaking-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.detail-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 10px;
  border-left: 4px solid rgba(255, 255, 255, 0.5);
}

.detail-item strong {
  color: #fff;
  display: block;
  margin-bottom: 0.5rem;
}

.breaking-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.breaking-tags .tag {
  background: rgba(255, 255, 255, 0.2);
  color: #212529;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.breaking-tags .tag.featured {
  background: #10a37f;
  color: white;
  font-weight: bold;
}

.tech-breakthrough {
  padding: 4rem 0;
  background: white;
}

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

.breakthrough-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 2px solid transparent;
}

.breakthrough-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
  border-color: #10a37f;
}

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

.breakthrough-icon {
  font-size: 3rem;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  border-radius: 50%;
}

.breakthrough-card h3 {
  font-size: 1.5rem;
  color: #333;
  margin: 0;
}

.breakthrough-content p {
  line-height: 1.8;
  margin-bottom: 1rem;
  color: #555;
}

.breakthrough-content strong {
  color: #10a37f;
}

.performance-data {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.data-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid #e9ecef;
}

.data-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.data-label {
  font-weight: 500;
  color: #666;
}

.data-value {
  font-weight: bold;
  color: #10a37f;
  font-size: 1.1rem;
}

.style-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.style-tag {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
}

.tech-specs {
  background: #e8f5e8;
  border-radius: 10px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  border-left: 4px solid #10a37f;
}

.tech-specs p {
  margin: 0;
  color: #2d5a2d;
  font-weight: 500;
}

.community-reaction {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.reaction-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.reaction-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #10a37f;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  color: #666;
  font-weight: 500;
}

.user-reviews h3 {
  text-align: center;
  font-size: 2rem;
  color: #333;
  margin-bottom: 2rem;
}

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

.review-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.review-card:hover {
  transform: translateY(-3px);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.reviewer-info strong {
  display: block;
  color: #333;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.reviewer-info span {
  color: #666;
  font-size: 0.9rem;
}

.review-rating {
  font-size: 1.2rem;
  color: #ffc107;
}

.review-card p {
  line-height: 1.8;
  color: #555;
  font-style: italic;
}

.industry-impact {
  padding: 4rem 0;
  background: white;
}

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

.impact-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 2px solid transparent;
}

.impact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
  border-color: #10a37f;
}

.impact-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.impact-card h3 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1.5rem;
}

.impact-card p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 1.5rem;
}

.impact-examples {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.example-item {
  background: #f8f9fa;
  padding: 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #666;
  border-color: #10a37f;
}

.news-timeline {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.timeline-item {
  display: flex;
  gap: 2rem;
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  position: relative;
  border-left: 4px solid #10a37f;
}

.timeline-date {
  min-width: 150px;
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-weight: bold;
  height: fit-content;
}

.timeline-content h3 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.timeline-content p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 1rem;
}

.timeline-tag {
  background: #e8f5e8;
  color: #2d5a2d;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
}

.timeline-tag.featured {
  background: #10a37f;
  color: white;
}

.future-outlook {
  padding: 4rem 0;
  background: white;
}

.outlook-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.outlook-text h3 {
  font-size: 1.8rem;
  color: #333;
  margin-bottom: 1.5rem;
}

.outlook-text p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 1.5rem;
}

.outlook-text ul {
  list-style: none;
  padding: 0;
}

.outlook-text li {
  padding: 0.8rem 0;
  border-bottom: 1px solid #e9ecef;
  position: relative;
  padding-left: 1.5rem;
}

.outlook-text li:last-child {
  border-bottom: none;
}

.outlook-text li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #10a37f;
  font-weight: bold;
}

.outlook-text strong {
  color: #10a37f;
}

.outlook-timeline h4 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1.5rem;
  text-align: center;
}

.future-item {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid #10a37f;
}

.future-date {
  font-weight: bold;
  color: #212529;
  margin-bottom: 0.5rem;
}

.future-item p {
  margin: 0;
  color: #555;
  line-height: 1.6;
}

footer {
  background: #333;
  color: #ffffff;
  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 {
  margin-bottom: 1rem;
  color: #ffd700;
}

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

.footer-section ul li {
  padding: 0.3rem 0;
}

.footer-section a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #ffd700;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #555;
  color: #ffffff;
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0,0,0,0.05);
    padding: 2rem 0;
  }

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

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

  .intro-features,
  .features-grid,
  .versions-table,
  .scenarios-grid,
  .steps-container {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 3rem 0;
  }

  .intro,
  .core-features,
  .versions,
  .scenarios,
  .quick-start {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .hero-content h2 {
    font-size: 1.8rem;
  }

  .intro h2,
  .core-features h2,
  .versions h2,
  .scenarios h2,
  .quick-start h2 {
    font-size: 1.8rem;
  }

  .nav-logo h1 {
    font-size: 1.2rem;
  }
}

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

.feature-card,
.feature-item,
.version-card,
.scenario-card,
.step {
  animation: fadeInUp 0.6s ease-out;
}

html {
  scroll-behavior: smooth;
}

.highlight {
  background: linear-gradient(120deg, #ffd700 0%, #ffd700 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.2em;
  background-position: 0 88%;
  transition: background-size 0.25s ease-in;
}

.highlight:hover {
  background-size: 100% 88%;
}

.page-header {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 3rem 0;
  text-align: center;
  margin-top: 80px;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.content-section {
  padding: 4rem 0;
}

.alt-bg {
  background: #f8f9fa;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.content-text h3 {
  color: #667eea;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.content-text p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.timeline-placeholder {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.timeline-placeholder h4 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.5rem;
}

.year {
  background: #667eea;
  color: #212529;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-weight: bold;
  margin-right: 1rem;
  min-width: 60px;
  text-align: center;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.tech-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-5px);
}

.tech-card h3 {
  color: #667eea;
  margin-bottom: 1rem;
}

.development-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #667eea;
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 0.5rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: #667eea;
}

.timeline-item.complete::before {
  background: #28a745;
}

.timeline-item.current::before {
  background: #ffd700;
}

.timeline-content h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.data-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  text-align: center;
}

.data-card h3 {
  color: #667eea;
  margin-bottom: 1rem;
}

.comparison-table {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  margin-bottom: 3rem;
}

.comparison-header,
.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
  align-items: center;
}

.comparison-header {
  background: #667eea;
  color: #212529;
  font-weight: bold;
}

.comparison-row:nth-child(even) {
  background: #f8f9fa;
}

.feature-col {
  text-align: center;
}

.excellent { color: #28a745; font-weight: bold; }
.good { color: #ffc107; font-weight: bold; }
.average { color: #fd7e14; }
.poor { color: #dc3545; }

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

.advantage-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.advantage-item:hover {
  transform: translateY(-5px);
}

.advantage-item h3 {
  color: #667eea;
  margin-bottom: 1rem;
}

.myths-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.myth-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.myth {
  border-right: 2px solid #dc3545;
  padding-right: 2rem;
}

.truth {
  padding-left: 2rem;
}

.myth h4,
.truth h4 {
  margin-bottom: 1rem;
}

.myth h4 {
  color: #dc3545;
}

.truth h4 {
  color: #28a745;
}

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

.future-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.future-item:hover {
  transform: translateY(-5px);
}

.future-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.future-item h3 {
  color: #667eea;
  margin-bottom: 1rem;
}

.feature-section {
  padding: 4rem 0;
}

.feature-section.alt-bg {
  background: #f8f9fa;
}

.feature-header {
  text-align: center;
  margin-bottom: 3rem;
}

.feature-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.feature-header h2 {
  font-size: 2.2rem;
  color: #333;
  margin-bottom: 1rem;
}

.feature-header p {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.feature-content {
  max-width: 1000px;
  margin: 0 auto;
}

.feature-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.category-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.category-card h3 {
  color: #667eea;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.category-card ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.category-card li {
  margin-bottom: 0.5rem;
  color: #666;
}

.example-box {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid #667eea;
}

.example-box h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.example-box p {
  margin-bottom: 0.8rem;
  line-height: 1.6;
}

.example-box strong {
  color: #333;
}

.tips-box {
  background: linear-gradient(135deg, #10a37f 0%, #1aa07e 100%);
  color: #212529;
  padding: 2rem;
  border-radius: 15px;
  margin-top: 2rem;
}

.tips-box h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.tips-box ul {
  padding-left: 1.5rem;
}

.tips-box li {
  margin-bottom: 0.8rem;
  line-height: 1.6;
}

.dialogue-showcase {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.dialogue-example {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.dialogue-example h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.chat-container {
  max-height: 400px;
  overflow-y: auto;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 10px;
}

.message {
  display: flex;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.message.user {
  flex-direction: row-reverse;
}

.message .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #667eea;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 1rem;
  flex-shrink: 0;
}

.message.user .avatar {
  background: #28a745;
}

.message-content {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  max-width: 70%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.message.user .message-content {
  background: #e3f2fd;
}

.message-content p {
  margin-bottom: 0.5rem;
}

.message-content ol,
.message-content ul {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}

.message-content li {
  margin-bottom: 0.3rem;
}

.dialogue-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.feature-item h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.programming-showcase {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.code-example {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.code-example h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.code-request,
.code-response {
  margin-bottom: 1.5rem;
}

.code-request h4,
.code-response h4 {
  color: #333;
  margin-bottom: 0.5rem;
}

.code-response pre {
  background: #2d3748;
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: 10px;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  line-height: 1.5;
}

.code-response code {
  font-size: 0.9rem;
}

.programming-languages {
  margin-top: 2rem;
}

.programming-languages h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.language-card {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.language-card:hover {
  transform: translateY(-3px);
}

.lang-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.language-card h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.language-card p {
  color: #666;
  font-size: 0.9rem;
}

.programming-services {
  margin-top: 2rem;
}

.programming-services h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

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

.service-item {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.service-item h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.creative-showcase {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.creative-example {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.creative-example h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.writing-prompt,
.creative-result {
  margin-bottom: 1.5rem;
}

.writing-prompt h4,
.creative-result h4 {
  color: #333;
  margin-bottom: 0.5rem;
}

.poem {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid #667eea;
  font-style: italic;
  line-height: 1.8;
}

.poem p {
  margin-bottom: 0.5rem;
}

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

.creative-type {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.creative-type h3 {
  color: #667eea;
  margin-bottom: 1rem;
}

.creative-type ul {
  padding-left: 1.5rem;
}

.creative-type li {
  margin-bottom: 0.5rem;
  color: #666;
}

.translation-showcase {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.translation-example {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.translation-example h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  text-align: center;
}

.translation-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.source-text,
.translated-text {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 10px;
}

.source-text h4,
.translated-text h4 {
  color: #667eea;
  margin-bottom: 1rem;
}

.source-text {
  border-right: 4px solid #dc3545;
}

.translated-text {
  border-left: 4px solid #28a745;
}

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

.translation-feature {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.translation-feature h4 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.supported-languages {
  margin-top: 2rem;
  text-align: center;
}

.supported-languages h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.lang-tag {
  background: #667eea;
  color: #212529;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

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

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.feature-card h3 {
  color: #667eea;
  margin-bottom: 1rem;
  text-align: center;
}

.feature-card ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.feature-card li {
  margin-bottom: 0.5rem;
  color: #666;
}

.card-example {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 8px;
  border-left: 3px solid #667eea;
}

.card-example p {
  margin: 0;
  font-size: 0.9rem;
  font-style: italic;
}

@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .dialogue-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .translation-comparison {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .myth-item {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .myth {
    border-right: none;
    border-bottom: 2px solid #dc3545;
    padding-right: 0;
    padding-bottom: 1.5rem;
  }
  
  .truth {
    padding-left: 0;
    padding-top: 1.5rem;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
  
  .feature-header h2 {
    font-size: 1.8rem;
  }
}