:root {
  /* 主色调 - 桃红色系与紫色，与前一个网站不同 */
  --primary-color: #f50057;
  --secondary-color: #9c27b0;
  --accent-color: #00bfa5;
  --text-color: #333333;
  --light-text: #ffffff;
  --bg-color: #ffffff;
  --light-bg: #f9f9f9;
  --dark-bg: #1a1a1a;
  --border-radius: 12px;
  --box-shadow: 0 8px 20px rgba(245, 0, 87, 0.1);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Sarabun', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: 20px;
}

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

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

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 25px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 30px;
  font-weight: 500;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--secondary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(245, 0, 87, 0.2);
}

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

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

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

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

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.highlight {
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background-color: rgba(245, 0, 87, 0.2);
  z-index: -1;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  display: inline-block;
  position: relative;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  background-color: rgba(245, 0, 87, 0.1);
  color: var(--primary-color);
}

/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 15px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-color);
}

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

.logo-icon {
  width: 40px;
  height: 40px;
}

.domain {
  color: var(--primary-color);
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-list a {
  color: var(--text-color);
  font-weight: 500;
  position: relative;
}

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

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 24px;
}

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 0;
  background: linear-gradient(135deg, rgba(245, 0, 87, 0.1) 0%, rgba(156, 39, 176, 0.1) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-text h1 {
  margin-bottom: 20px;
}

.hero-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: flex-start;
}

.users-count {
  font-size: 0.9rem;
  opacity: 0.8;
}

.users-count strong {
  color: var(--primary-color);
}

.ai-illustration {
  width: 100%;
  max-width: 500px;
  filter: drop-shadow(0 10px 20px rgba(156, 39, 176, 0.3));
}

.wave-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 1;
}

.wave-divider svg {
  width: 100%;
  height: 120px;
}

/* Features Section */
.features {
  background-color: white;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(245, 0, 87, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
}

.feature-card h3 {
  margin-bottom: 15px;
}

/* How-to Section */
.howto {
  background-color: var(--light-bg);
  position: relative;
}

.steps-container {
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 30px;
  margin-bottom: 40px;
}

.step-number {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content {
  flex-grow: 1;
}

.step-content h3 {
  margin-bottom: 10px;
}

/* Reviews Section */
.reviews {
  background-color: white;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.review-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 25px;
  position: relative;
}

.review-rating {
  color: #ffc107;
  margin-bottom: 15px;
  display: flex;
  gap: 5px;
}

.review-content {
  font-style: italic;
  margin-bottom: 20px;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 15px;
}

.reviewer-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.reviewer-name {
  font-weight: 500;
}

.reviewer-location {
  font-size: 0.8rem;
  opacity: 0.7;
}

.review-stats {
  margin-top: 50px;
  display: flex;
  justify-content: center;
  gap: 40px;
  text-align: center;
}

.stat-item {
  padding: 20px;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  min-width: 200px;
}

.stat-item h3 {
  color: var(--primary-color);
  font-size: 2.5rem;
  margin-bottom: 5px;
}

/* FAQ Section */
.faq {
  background-color: var(--light-bg);
}

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

.accordion-item {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.accordion-header {
  padding: 20px;
  background-color: white;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-content {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: white;
}

.accordion-item.active .accordion-content {
  padding: 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  max-height: 300px;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  text-align: center;
  padding: 80px 0;
}

.cta h2 {
  margin-bottom: 20px;
  font-size: 2.5rem;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 30px;
  opacity: 0.9;
}

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

.cta .btn:hover {
  background-color: var(--dark-bg);
  color: white;
}

.security-text {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

/* Footer */
.footer {
  background-color: var(--dark-bg);
  color: white;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  color: white;
  font-weight: 700;
  font-size: 1.3rem;
}

.footer-logo:hover {
  color: white;
}

.footer-description {
  opacity: 0.7;
  margin-bottom: 20px;
}

.footer-heading {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: white;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    order: -1;
    text-align: center;
  }
  
  .ai-illustration {
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.3rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  section {
    padding: 60px 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    gap: 15px;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: var(--transition);
    pointer-events: none;
    opacity: 0;
  }
  
  .nav-active .nav-list {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: all;
    opacity: 1;
  }
  
  .step-item {
    flex-direction: column;
    gap: 15px;
  }
  
  .review-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  
  .stat-item {
    width: 100%;
  }
  
  .accordion-header {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .hero {
    padding-top: 120px;
  }
}