@charset "utf-8";
/* 重置与基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  /* 品牌色系 */
  --primary-color: #FF6B35;
  --primary-light: #FF9A6C;
  --primary-dark: #D85A2B;
  --secondary-color: #3A86FF;
  --secondary-light: #6AA4FF;
  --dark-color: #0F172A;
  --light-color: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --success-color: #10B981;
  --gradient-orange: linear-gradient(135deg, #FF6B35 0%, #FF9A6C 100%);
  --gradient-blue: linear-gradient(135deg, #3A86FF 0%, #6AA4FF 100%);
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #3A86FF 100%);
  --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);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-color);
  overflow-x: hidden;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: 80px 0;
}
h1,
h2,
h3,
h4 {
  font-weight: 800;
  line-height: 1.2;
}
h1 {
  font-size: 3.5rem;
  margin-bottom: 24px;
}
h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
h3 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}
p {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: 24px;
}
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}
.btn-secondary {
  background: white;
  color: var(--dark-color);
  border: 2px solid var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}
/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
  box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 20px;
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}
.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark-color);
}
.logo-text span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark-color);
}
/* 英雄区域 */
.hero {
  padding-top: 160px;
  padding-bottom: 120px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(58, 134, 255, 0.05) 100%);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content {
  z-index: 2;
}
.hero-title {
  font-size: 3.5rem;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 40px;
  max-width: 500px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 32px;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-number,
.stat-percent {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}
.hero-visual {
  position: relative;
}
.ai-visual {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.ai-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}
.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.visual-item {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  transition: transform 0.3s;
}
.visual-item:hover {
  transform: translateY(-4px);
}
.visual-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  color: white;
}
.icon-chat {
  background: var(--gradient-primary);
}
.icon-search {
  background: var(--gradient-blue);
}
.icon-paint {
  background: var(--gradient-orange);
}
/* 特色功能区域 */
.features {
  background: var(--gray-50);
}
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}
.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.feature-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
}
/* 访问方式区域 - 新增 */
.access-methods {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(58, 134, 255, 0.05) 100%);
}
.access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.access-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.access-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}
.access-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}
.access-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: white;
}
.access-icon.web {
  background: var(--gradient-primary);
}
.access-icon.api {
  background: var(--gradient-blue);
}
.access-icon.cloud {
  background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}
.access-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}
.access-buttons .btn {
  width: 100%;
}
/* 模型展示区域 */
.models {
  background: white;
}
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.model-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.model-card:first-child {
  border-color: var(--primary-color);
}
.model-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.model-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gradient-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.model-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  color: white;
  margin-bottom: 20px;
}
.lion-icon {
  background: var(--gradient-primary);
}
.deepseek-icon {
  background: linear-gradient(135deg, #6F5CFF 0%, #8B7BFF 100%);
}
.gpt-icon {
  background: linear-gradient(135deg, #10A37F 0%, #15C39A 100%);
}
.claude-icon {
  background: linear-gradient(135deg, #D85A2B 0%, #F97316 100%);
}
.gemini-icon {
  background: linear-gradient(135deg, #4285F4 0%, #669DF6 100%);
}
/* 定价区域 */
.pricing {
  background: var(--gray-50);
  min-height: 1035px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.pricing-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  border: 2px solid var(--gray-200);
  transition: all 0.3s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card .btn {
  margin-top: auto;
}
.pricing-card.popular {
  border-color: var(--primary-color);
  transform: scale(1.05);
}
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}
.price {
  font-size: 3rem;
  font-weight: 800;
  margin: 20px 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price-period {
  font-size: 1rem;
  color: var(--gray-600);
}
.features-list {
  list-style: none;
  margin: 32px 0;
  text-align: left;
}
.features-list li {
  padding: 12px 0;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.features-list li:last-child {
  border-bottom: none;
}
.features-list li::before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  margin-right: 12px;
}
/* CTA区域 */
.cta {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: 100px 0;
}
.cta h2 {
  color: white;
  margin-bottom: 16px;
}
.cta p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 40px;
}
.cta .btn {
  background: white;
  color: var(--primary-color);
  font-weight: 600;
}
.cta .btn:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}
/* 页脚 */
.footer {
  background: var(--gray-800);
  color: white;
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}
.footer-logo {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 20px;
}
.footer-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-description {
  color: var(--gray-300);
  margin-bottom: 24px;
}
.footer-links h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.125rem;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: white;
}
.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}
.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s;
}
.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}
.copyright {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-400);
  font-size: 0.875rem;
}
/* 响应式设计 */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.75rem;
  }
  h2 {
    font-size: 2.25rem;
  }
  .hero .container {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.active {
    display: flex;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-stats {
    justify-content: space-between;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pricing-card.popular {
    transform: none;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 2.25rem;
  }
  h2 {
    font-size: 1.875rem;
  }
  .hero {
    padding-top: 120px;
    padding-bottom: 80px;
  }
  section {
    padding: 60px 0;
  }
}