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

:root {
  /* 紫色主题色 */
  --primary-purple: #7c3aed;
  --primary-purple-dark: #5b21b6;
  --primary-purple-light: #a78bfa;
  --primary-purple-lighter: #c4b5fd;
  --primary-purple-lightest: #ede9fe;
  
  /* 渐变色 */
  --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-purple-2: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  
  /* 文字颜色 */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #ffffff;
  
  /* 背景色 */
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-dark: #0f172a;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-purple: 0 10px 30px rgba(124, 58, 237, 0.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
}

#app {
  min-height: 100vh;
}

/* 通用按钮样式 - 简约风格 */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 16px;
}

.btn-primary {
  background: var(--primary-purple);
  color: var(--text-light);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

.btn-primary:hover {
  background: var(--primary-purple-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

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

.btn-outline:hover {
  background: var(--primary-purple);
  color: var(--text-light);
}

.btn-white {
  background: var(--bg-white);
  color: var(--primary-purple);
  border: 2px solid var(--primary-purple-lightest);
  box-shadow: var(--shadow-sm);
}

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

/* 容器样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-title .purple-text {
  color: var(--primary-purple);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 卡片样式 */
.card {
  background: var(--bg-white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

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

/* 响应式 */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
}

/* —— C1：NavBar / Footer（来自 ui-saas 组件，略精简） —— */
body.c1-page #c1-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
/* C1 顶栏 — 对齐 ui-saas NavBar.vue */
body.c1-page .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
body.c1-page .navbar {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}
body.c1-page .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
body.c1-page .brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}
body.c1-page .brand-logo {
  height: 40px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
body.c1-page .brand-link.brand-link--no-logo .brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
body.c1-page .nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
  justify-content: center;
  height: 100%;
}
body.c1-page .nav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}
body.c1-page .nav-item.dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 12px;
  z-index: 1001;
}
body.c1-page .nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s ease;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  height: 100%;
  border-radius: 8px;
  position: relative;
  white-space: nowrap;
}
body.c1-page .nav-link:hover,
body.c1-page .nav-link.active {
  color: var(--primary-purple);
  background: rgba(124, 58, 237, 0.05);
}
body.c1-page .nav-item.dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  padding: 1.5rem;
  min-width: 450px;
  flex-direction: row;
  gap: 2rem;
  z-index: 1000;
  border: 1px solid rgba(124, 58, 237, 0.1);
}
body.c1-page .dropdown-menu::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
body.c1-page .dropdown-menu--pricing {
  min-width: 280px;
  padding: 1rem 1.25rem;
}
body.c1-page .dropdown-column {
  flex: 1;
  min-width: 200px;
}
body.c1-page .dropdown-item-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 14px;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-purple-lightest);
}
body.c1-page .dropdown-item {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.75rem 1rem;
  font-size: 14px;
  transition: all 0.2s ease;
  line-height: 1.6;
  border-radius: 8px;
  margin-bottom: 0.25rem;
  position: relative;
}
body.c1-page .dropdown-item:hover {
  color: var(--primary-purple);
  background: rgba(124, 58, 237, 0.08);
  padding-left: 1.25rem;
  transform: translateX(4px);
}
@media (min-width: 769px) {
  body.c1-page .nav-item.dropdown:hover .dropdown-menu {
    display: flex;
  }
}
body.c1-page .nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
body.c1-page .auth-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
body.c1-page .navbar .btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
body.c1-page .language-selector {
  position: relative;
}
body.c1-page .lang-select {
  padding: 6px 12px;
  border: 1px solid var(--primary-purple-lightest);
  border-radius: 6px;
  background: white;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}
body.c1-page .lang-select:hover {
  border-color: var(--primary-purple);
}
body.c1-page .lang-select:focus {
  outline: none;
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}
body.c1-page .mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
body.c1-page .mobile-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-purple);
  border-radius: 2px;
  transition: all 0.3s ease;
}
body.c1-page .c1-footer {
  background: var(--gradient-dark);
  color: var(--text-light);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}
body.c1-page .c1-footer-top {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
body.c1-page .c1-footer-brand {
  flex: 1 1 260px;
}
body.c1-page .c1-footer-brand h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}
body.c1-page .c1-footer-desc {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}
body.c1-page .c1-footer-menu {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
body.c1-page .c1-footer-col h4 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
body.c1-page .c1-footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
body.c1-page .c1-footer-col a:hover {
  color: var(--primary-purple-light);
}
body.c1-page .c1-footer-switch {
  margin-top: 1rem;
  font-size: 0.85rem;
}
body.c1-page .c1-footer-switch a {
  color: rgba(255, 255, 255, 0.85);
}
@media (max-width: 1024px) {
  body.c1-page .nav-item.dropdown .dropdown-menu {
    min-width: 300px;
  }
}
@media (max-width: 768px) {
  body.c1-page .mobile-toggle {
    display: flex;
  }
  body.c1-page .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    gap: 1.5rem;
    align-items: flex-start;
    z-index: 999;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    pointer-events: none;
  }
  body.c1-page .nav-menu.active {
    transform: translateX(0);
    pointer-events: auto;
  }
  body.c1-page .nav-link {
    width: 100%;
    padding: 0.75rem 0;
  }
  body.c1-page .nav-item.dropdown .dropdown-menu {
    position: static;
    display: none;
    flex-direction: column;
    box-shadow: none;
    padding: 1rem;
    margin-top: 0.5rem;
    background: var(--bg-light);
    min-width: auto;
    width: 100%;
    border: none;
    gap: 0;
  }
  body.c1-page .nav-item.dropdown.c1-sub-open .dropdown-menu {
    display: flex;
  }
  body.c1-page .nav-right {
    gap: 0.5rem;
  }
  body.c1-page .language-selector {
    display: none;
  }
}