/* 主要样式文件 */
:root {
  /* 颜色变量 */
  --primary-color: #4361ee;
  --primary-dark: #3a56d4;
  --primary-light: #6980f5;
  --secondary-color: #f72585;
  --secondary-dark: #d81b76;
  --secondary-light: #ff4d9e;
  --accent-color: #7209b7;
  --text-color: #333333;
  --text-light: #666666;
  --text-lighter: #999999;
  --background-color: #ffffff;
  --background-alt: #f8f9fa;
  --border-color: #e9ecef;
  --success-color: #38b000;
  --warning-color: #ffaa00;
  --error-color: #e5383b;
  --info-color: #4cc9f0;

  /* 字体变量 */
  --font-primary: 'Roboto', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-heading: 'Montserrat', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-code: 'Source Code Pro', monospace;

  /* 尺寸变量 */
  --header-height: 70px;
  --container-width: 1200px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* 边框圆角 */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--background-color);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

button, .btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
  border: 1px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

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

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

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

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  margin-left: auto;
  margin-right: auto;
}

/* 布局 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(5px);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.3s ease;
}

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

.logo img {
  height: 40px;
  width: 40px;
  margin-right: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  object-fit: contain;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  color: var(--text-color);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--primary-color);
  background-color: rgba(67, 97, 238, 0.1);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-color);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  background-color: rgba(67, 97, 238, 0.1);
  color: var(--primary-color);
}

/* 主体内容区域 */
.main-content {
  padding-top: var(--header-height);
}

section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--text-color);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

/* 英雄区 */
.hero {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
  padding: calc(var(--spacing-xxl) * 2) 0;
  margin-top: calc(var(--header-height) * -1);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  color: white;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.floating-circle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
}

.hero-screenshot {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
  width: 100%;
}

.screenshot-gif {
  max-width: 80%;
  max-height: 400px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 5px solid rgba(255, 255, 255, 0.2);
}

.hero-platforms {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
}

.platform-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.platform-icon:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.floating-icon {
  position: absolute;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.2);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
}

/* 特性区域 */
.features {
  background-color: var(--background-color);
  padding: var(--spacing-xxl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.feature-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: white;
  font-size: 2rem;
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.feature-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* 使用流程 */
.how-it-works {
  background-color: var(--background-alt);
  padding: var(--spacing-xxl) 0;
}

.steps {
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.step:last-child {
  margin-bottom: 0;
}

.step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-lg);
}

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

.step-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

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

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 60px;
  left: 30px;
  width: 2px;
  height: calc(100% - 30px);
  background-color: var(--primary-light);
}

/* API使用示例 */
.code-section {
  background-color: var(--background-color);
  padding: var(--spacing-xxl) 0;
}

.code-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #1e1e1e;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.code-header {
  background-color: #333;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-language {
  color: white;
  font-weight: 500;
}

.code-actions {
  display: flex;
  align-items: center;
}

.code-actions button {
  background: none;
  border: none;
  color: white;
  margin-left: var(--spacing-md);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.code-actions button:hover {
  opacity: 1;
}

.code-content {
  padding: var(--spacing-lg);
  color: #e6e6e6;
  font-family: var(--font-code);
  font-size: 0.9rem;
  line-height: 1.5;
  overflow-x: auto;
}

.code-content pre {
  margin: 0;
}

.code-line {
  display: flex;
}

.line-number {
  opacity: 0.5;
  text-align: right;
  padding-right: var(--spacing-md);
  user-select: none;
  min-width: 40px;
}

/* 下载区域 */
.download {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: var(--spacing-xxl) 0;
  color: white;
  text-align: center;
}

.download h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.download p {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  opacity: 0.9;
}

.download-options {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
}

.download-option {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: transform 0.3s ease, background-color 0.3s ease;
  backdrop-filter: blur(10px);
  flex: 1;
  max-width: 250px;
}

.download-option:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.2);
}

.download-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.download-option h3 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.download-option p {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.download-button {
  background-color: white;
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.download-button:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.download-button:hover i {
  transform: translateY(-2px);
}

/* FAQ区域 */
.faq {
  background-color: var(--background-alt);
  padding: var(--spacing-xxl) 0;
}

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

.faq-item {
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background-color: white;
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-lg);
  background-color: white;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 500px;
}

/* 联系表单 */
.contact {
  background-color: var(--background-color);
  padding: var(--spacing-xxl) 0;
}

.contact-container {
  display: flex;
  max-width: 1000px;
  margin: 0 auto;
  gap: var(--spacing-xl);
}

.contact-info {
  flex: 1;
}

.contact-form {
  flex: 1;
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.btn-send {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

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

.contact-method {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: var(--primary-light);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-right: var(--spacing-md);
}

.contact-text h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.contact-text p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* 页脚 */
.footer {
  background-color: #2b2b2b;
  color: white;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.footer-logo {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
}

.footer-logo img {
  height: 36px;
  width: 36px;
  margin-right: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  object-fit: contain;
  background-color: white;
  padding: 3px;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.social-icon {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

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

.footer-nav h3, .footer-contact h3, .footer-legal h3 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.footer-nav ul, .footer-contact ul, .footer-legal ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li, .footer-contact li, .footer-legal li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav a, .footer-contact a, .footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
  text-decoration: none;
}

.footer-nav a:hover, .footer-contact a:hover, .footer-legal a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.developer-info {
  margin-top: var(--spacing-sm);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.developer-info a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.developer-info a:hover {
  color: white;
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  :root {
    --container-width: 900px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-about {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 100%;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.25rem;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow-md);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-sm);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    width: 100%;
    text-align: center;
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .download-options {
    flex-direction: column;
    align-items: center;
  }
  
  .download-option {
    width: 100%;
    max-width: 300px;
  }
  
  .contact-container {
    flex-direction: column;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .footer-about {
    grid-column: auto;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 250px;
    margin-bottom: var(--spacing-sm);
  }
  
  .screenshot-gif {
    max-width: 95%;
    border-width: 3px;
  }
  
  .hero-platforms {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xxl: 32px;
    --spacing-xl: 24px;
    --spacing-lg: 16px;
  }
  
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-xxl) 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .step {
    flex-direction: column;
  }
  
  .step-number {
    margin-bottom: var(--spacing-md);
    margin-right: 0;
  }
  
  .step:not(:last-child)::after {
    display: none;
  }
  
  .hero-screenshot {
    margin-top: var(--spacing-md);
  }
  
  .screenshot-gif {
    max-width: 100%;
    border-width: 2px;
  }
}

.app-screenshots {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.app-screenshot {
  max-width: 80%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 5px solid white;
}

.web-version-note {
  margin-top: var(--spacing-lg);
  text-align: center;
  padding: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid white;
}

.web-version-note p {
  margin: 0;
  font-size: 1.1rem;
  color: white;
}

.web-version-note a {
  color: white;
  font-weight: 600;
  text-decoration: underline;
  transition: all 0.3s ease;
}

.web-version-note a:hover {
  opacity: 0.9;
  text-decoration: none;
}

@media (max-width: 768px) {
  .app-screenshot {
    max-width: 95%;
    border-width: 3px;
  }
}

@media (max-width: 480px) {
  .app-screenshot {
    max-width: 100%;
    border-width: 2px;
  }
  
  .web-version-note {
    padding: var(--spacing-sm);
  }
  
  .web-version-note p {
    font-size: 0.95rem;
  }
}

/* 效果展示区 */
.showcase {
  padding: var(--spacing-xxl) 0;
  background-color: white;
}

.showcase-container {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.showcase-image {
  display: flex;
  align-items: center;
  padding: 30px;
  background-color: var(--background-alt);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 100%;
  overflow-x: auto;
}

.source-icon {
  width: 200px;
  height: 200px;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-md);
  border: 5px solid white;
}

.arrows {
  margin: 0 30px;
  font-size: 2rem;
  color: var(--primary-color);
  animation: bounce 2s infinite;
}

.platforms-preview {
  display: flex;
  gap: 40px;
}

.platform-preview {
  text-align: center;
}

.platform-label {
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-color);
  background-color: white;
  padding: 5px 15px;
  border-radius: 20px;
  display: inline-block;
  box-shadow: var(--shadow-sm);
}

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

.icon-preview {
  border-radius: 22%;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid white;
  background-color: white;
  transition: transform 0.3s ease;
}

.icon-preview:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.icon-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.size-256 {
  width: 100px;
  height: 100px;
}

.size-192 {
  width: 90px;
  height: 90px;
}

.size-180 {
  width: 85px;
  height: 85px;
}

.size-144, .size-128 {
  width: 70px;
  height: 70px;
}

.size-120 {
  width: 65px;
  height: 65px;
}

.size-96 {
  width: 55px;
  height: 55px;
}

.size-80 {
  width: 45px;
  height: 45px;
}

.size-64 {
  width: 40px;
  height: 40px;
}

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

@media (max-width: 1024px) {
  .showcase-image {
    flex-direction: column;
    padding: 20px;
  }
  
  .arrows {
    margin: 20px 0;
    transform: rotate(90deg);
  }
  
  .platforms-preview {
    flex-direction: column;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .platform-preview {
    overflow-x: auto;
    padding-bottom: 10px;
  }
  
  .platform-icons {
    min-width: 300px;
  }
}

/* 用户评价区 */
.testimonials {
  margin-top: var(--spacing-xxl);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.testimonial {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

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

.quote-icon {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.6;
}

.quote-text {
  font-style: italic;
  color: var(--text-color);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.quote-author {
  text-align: right;
  font-weight: 500;
  color: var(--text-light);
}

@media (max-width: 1024px) {
  .testimonials {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonial:last-child {
    grid-column: span 2;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .testimonials {
    grid-template-columns: 1fr;
  }
  
  .testimonial:last-child {
    grid-column: span 1;
  }
}