/* 全局样式 */
:root {
  --primary-color: #0066ff;
  --secondary-color: #5e17eb;
  --accent-color: #ff375f;
  --text-color: #333333;
  --light-text: #666666;
  --bg-color: #ffffff;
  --light-bg: #f8f9fa;
  --dark-bg: #1d1d1f;
  --border-color: #e0e0e0;
  --success-color: #34c759;
  --warning-color: #ff9500;
  --error-color: #ff3b30;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
  --border-radius: 12px;
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
}

img {
  max-width: 100%;
  height: auto;
}

button, .btn {
  cursor: pointer;
  font-family: var(--font-family);
  font-weight: 500;
  transition: var(--transition);
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  text-align: center;
  transition: var(--transition);
  border: none;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-cta {
  background-color: var(--accent-color);
  color: white;
  font-weight: 600;
  padding: 14px 28px;
}

.btn-cta:hover {
  background-color: #e0264d;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

/* 布局组件 */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.main-nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-color);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.main-content {
  flex: 1;
}

.footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 3rem 5%;
}

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

/* 首页样式 */
.home-container {
  max-width: 100%;
  overflow-x: hidden;
}

.hero-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5rem 5%;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 80vh;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--light-text);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  max-width: 45%;
}

.features-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

.section-title {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 3rem;
}

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

.feature-card {
  background-color: var(--light-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
}

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

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

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--light-text);
}

.cta-section {
  padding: 5rem 5%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* AI话术页面样式 */
.ai-script-container {
  max-width: 100%;
  overflow-x: hidden;
}

.ai-hero {
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 50vh;
}

.page-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-slogan {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.page-subtitle {
  font-size: 1.2rem;
  color: var(--light-text);
  max-width: 800px;
  margin: 0 auto 2rem;
}

.form-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.script-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group:nth-last-child(2) {
  grid-column: span 2;
}

.form-group:last-child {
  grid-column: span 2;
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.2);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
}

.result-section {
  padding: 3rem 5%;
  background-color: var(--light-bg);
}

.result-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.script-result {
  background-color: var(--light-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  white-space: pre-line;
  line-height: 1.8;
}

.copy-btn {
  margin-left: auto;
  display: block;
}

.demo-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

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

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

.comparison-item {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.comparison-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

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

.emotion-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.emotion-tag {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
}

.emotion-tag.urgency {
  background-color: rgba(255, 107, 107, 0.1);
  color: #FF6B6B;
}

.emotion-tag.comfort {
  background-color: rgba(78, 205, 196, 0.1);
  color: #4ECDC4;
}

.emotion-tag.deal {
  background-color: rgba(255, 209, 102, 0.1);
  color: #FFD166;
}

.emotion-tag.quality {
  background-color: rgba(106, 5, 114, 0.1);
  color: #6A0572;
}

.emotion-tag.value {
  background-color: rgba(0, 102, 255, 0.1);
  color: #0066FF;
}

.emotion-tag.luxury {
  background-color: rgba(170, 51, 106, 0.1);
  color: #AA336A;
}

.emotion-curve-section {
  padding: 5rem 5%;
  background-color: var(--light-bg);
}

.emotion-curve-container {
  max-width: 1200px;
  margin: 0 auto;
}

.chart-container {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 2rem;
}

.chart-legend {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.urgency-color {
  background-color: #FF6B6B;
}

.deal-color {
  background-color: #4ECDC4;
}

.quality-color {
  background-color: #FFD166;
}

.value-color {
  background-color: #6A0572;
}

.value-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

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

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

.value-card {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-10px);
}

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

.value-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.value-description {
  color: var(--light-text);
}

/* 知识库页面样式 */
.knowledge-container {
  max-width: 100%;
  overflow-x: hidden;
}

.knowledge-hero {
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 50vh;
}

.data-stats-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

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

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

.stat-card {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-10px);
}

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

.stat-unit {
  font-size: 1.5rem;
}

.stat-label {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.stat-description {
  color: var(--light-text);
}

.streamers-section {
  padding: 5rem 5%;
  background-color: var(--light-bg);
}

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

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

.streamer-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.streamer-card:hover {
  transform: translateY(-10px);
}

.streamer-image {
  height: 250px;
  overflow: hidden;
}

.streamer-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.streamer-card:hover .streamer-image img {
  transform: scale(1.05);
}

.streamer-info {
  padding: 2rem;
}

.streamer-name {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.streamer-stats {
  font-weight: 600;
  margin-bottom: 1rem;
}

.streamer-description {
  color: var(--light-text);
}

.methodology-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

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

.methodology-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.methodology-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  opacity: 0.3;
  line-height: 1;
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.step-description {
  color: var(--light-text);
}

.screenshots-section {
  padding: 5rem 5%;
  background-color: var(--light-bg);
}

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

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

.screenshot-item {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.screenshot-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.screenshot-caption {
  padding: 1.5rem;
  text-align: center;
  color: var(--light-text);
}

.contact-section {
  padding: 5rem 5%;
  background-color: var(--bg-color);
}

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

.contact-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--light-text);
}

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

.contact-info-item {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.contact-info-item:hover {
  transform: translateY(-10px);
}

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

.contact-method {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.contact-detail {
  color: var(--light-text);
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.form-title {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  text-align: center;
}

.contact-form-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.contact-form-container .form-group:nth-last-child(2) {
  grid-column: span 2;
}

.contact-form-container .form-group:last-child {
  grid-column: span 2;
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .hero-section {
    flex-direction: column;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-image {
    max-width: 70%;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .comparison-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .script-form,
  .contact-form-container {
    grid-template-columns: 1fr;
  }
  
  .form-group:nth-last-child(2) {
    grid-column: span 1 !important;
  }
  
  .methodology-step {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .form-container,
  .result-container,
  .contact-form {
    padding: 1.5rem;
  }
}